diff --git a/.gitignore b/.gitignore index e84c641..9048853 100644 --- a/.gitignore +++ b/.gitignore @@ -1,5 +1,7 @@ +*/config/production */config/development */logs/log-*.php */logs/!index.html */cache/* */cache/!index.html +*.sublime-* diff --git a/.htaccess b/.htaccess new file mode 100644 index 0000000..89959fc --- /dev/null +++ b/.htaccess @@ -0,0 +1,20 @@ + + ExpiresActive On + ############################################ + ## Add default Expires header + ## http://developer.yahoo.com/performance/rules.html#expires + + ExpiresDefault "access plus 1 year" + ExpiresByType image/gif A2592000 + ExpiresByType image/jpeg A2592000 + ExpiresByType text/plain A2592000 + ExpiresByType text/css A2592000 + + + +AddOutputFilterByType DEFLATE text/html text/plain text/xml application/x-javascript text/css + +RewriteEngine On +RewriteCond %{REQUEST_FILENAME} !-f +RewriteCond %{REQUEST_FILENAME} !-d +RewriteRule ^(.*)$ index.php/$1 [QSA,L] \ No newline at end of file diff --git a/application/.htaccess b/application/.htaccess new file mode 100644 index 0000000..14249c5 --- /dev/null +++ b/application/.htaccess @@ -0,0 +1 @@ +Deny from all \ No newline at end of file diff --git a/application/config/assets.php b/application/config/assets.php new file mode 100644 index 0000000..2418381 --- /dev/null +++ b/application/config/assets.php @@ -0,0 +1,53 @@ + '', + 'xhtml1-strict' => '', + 'xhtml1-trans' => '', + 'xhtml1-frame' => '', + 'html5' => '', + 'html4-strict' => '', + 'html4-trans' => '', + 'html4-frame' => '' + ); + +/* End of file doctypes.php */ +/* Location: ./application/config/doctypes.php */ \ No newline at end of file diff --git a/application/config/foreign_chars.php b/application/config/foreign_chars.php new file mode 100644 index 0000000..14b0d73 --- /dev/null +++ b/application/config/foreign_chars.php @@ -0,0 +1,64 @@ + 'ae', + '/ö|œ/' => 'oe', + '/ü/' => 'ue', + '/Ä/' => 'Ae', + '/Ü/' => 'Ue', + '/Ö/' => 'Oe', + '/À|Á|Â|Ã|Ä|Å|Ǻ|Ā|Ă|Ą|Ǎ/' => 'A', + '/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a', + '/Ç|Ć|Ĉ|Ċ|Č/' => 'C', + '/ç|ć|ĉ|ċ|č/' => 'c', + '/Ð|Ď|Đ/' => 'D', + '/ð|ď|đ/' => 'd', + '/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě/' => 'E', + '/è|é|ê|ë|ē|ĕ|ė|ę|ě/' => 'e', + '/Ĝ|Ğ|Ġ|Ģ/' => 'G', + '/ĝ|ğ|ġ|ģ/' => 'g', + '/Ĥ|Ħ/' => 'H', + '/ĥ|ħ/' => 'h', + '/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ/' => 'I', + '/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı/' => 'i', + '/Ĵ/' => 'J', + '/ĵ/' => 'j', + '/Ķ/' => 'K', + '/ķ/' => 'k', + '/Ĺ|Ļ|Ľ|Ŀ|Ł/' => 'L', + '/ĺ|ļ|ľ|ŀ|ł/' => 'l', + '/Ñ|Ń|Ņ|Ň/' => 'N', + '/ñ|ń|ņ|ň|ʼn/' => 'n', + '/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ/' => 'O', + '/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º/' => 'o', + '/Ŕ|Ŗ|Ř/' => 'R', + '/ŕ|ŗ|ř/' => 'r', + '/Ś|Ŝ|Ş|Š/' => 'S', + '/ś|ŝ|ş|š|ſ/' => 's', + '/Ţ|Ť|Ŧ/' => 'T', + '/ţ|ť|ŧ/' => 't', + '/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ/' => 'U', + '/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ/' => 'u', + '/Ý|Ÿ|Ŷ/' => 'Y', + '/ý|ÿ|ŷ/' => 'y', + '/Ŵ/' => 'W', + '/ŵ/' => 'w', + '/Ź|Ż|Ž/' => 'Z', + '/ź|ż|ž/' => 'z', + '/Æ|Ǽ/' => 'AE', + '/ß/'=> 'ss', + '/IJ/' => 'IJ', + '/ij/' => 'ij', + '/Œ/' => 'OE', + '/ƒ/' => 'f' +); + +/* End of file foreign_chars.php */ +/* Location: ./application/config/foreign_chars.php */ \ No newline at end of file diff --git a/application/config/hooks.php b/application/config/hooks.php new file mode 100644 index 0000000..a4ad2be --- /dev/null +++ b/application/config/hooks.php @@ -0,0 +1,16 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/config/migration.php b/application/config/migration.php new file mode 100644 index 0000000..1c547c8 --- /dev/null +++ b/application/config/migration.php @@ -0,0 +1,41 @@ +migration->latest() this is the version that schema will +| be upgraded / downgraded to. +| +*/ +$config['migration_version'] = 1; + + +/* +|-------------------------------------------------------------------------- +| Migrations Path +|-------------------------------------------------------------------------- +| +| Path to your migrations folder. +| Typically, it will be within your application path. +| Also, writing permission is required within the migrations path. +| +*/ +$config['migration_path'] = APPPATH . 'migrations/'; + + +/* End of file migration.php */ +/* Location: ./application/config/migration.php */ \ No newline at end of file diff --git a/application/config/mimes.php b/application/config/mimes.php new file mode 100644 index 0000000..100f7d4 --- /dev/null +++ b/application/config/mimes.php @@ -0,0 +1,106 @@ + 'application/mac-binhex40', + 'cpt' => 'application/mac-compactpro', + 'csv' => array('text/x-comma-separated-values', 'text/comma-separated-values', 'application/octet-stream', 'application/vnd.ms-excel', 'application/x-csv', 'text/x-csv', 'text/csv', 'application/csv', 'application/excel', 'application/vnd.msexcel'), + 'bin' => 'application/macbinary', + 'dms' => 'application/octet-stream', + 'lha' => 'application/octet-stream', + 'lzh' => 'application/octet-stream', + 'exe' => array('application/octet-stream', 'application/x-msdownload'), + 'class' => 'application/octet-stream', + 'psd' => 'application/x-photoshop', + 'so' => 'application/octet-stream', + 'sea' => 'application/octet-stream', + 'dll' => 'application/octet-stream', + 'oda' => 'application/oda', + 'pdf' => array('application/pdf', 'application/x-download'), + 'ai' => 'application/postscript', + 'eps' => 'application/postscript', + 'ps' => 'application/postscript', + 'smi' => 'application/smil', + 'smil' => 'application/smil', + 'mif' => 'application/vnd.mif', + 'xls' => array('application/excel', 'application/vnd.ms-excel', 'application/msexcel'), + 'ppt' => array('application/powerpoint', 'application/vnd.ms-powerpoint'), + 'wbxml' => 'application/wbxml', + 'wmlc' => 'application/wmlc', + 'dcr' => 'application/x-director', + 'dir' => 'application/x-director', + 'dxr' => 'application/x-director', + 'dvi' => 'application/x-dvi', + 'gtar' => 'application/x-gtar', + 'gz' => 'application/x-gzip', + 'php' => 'application/x-httpd-php', + 'php4' => 'application/x-httpd-php', + 'php3' => 'application/x-httpd-php', + 'phtml' => 'application/x-httpd-php', + 'phps' => 'application/x-httpd-php-source', + 'js' => 'application/x-javascript', + 'swf' => 'application/x-shockwave-flash', + 'sit' => 'application/x-stuffit', + 'tar' => 'application/x-tar', + 'tgz' => array('application/x-tar', 'application/x-gzip-compressed'), + 'xhtml' => 'application/xhtml+xml', + 'xht' => 'application/xhtml+xml', + 'zip' => array('application/x-zip', 'application/zip', 'application/x-zip-compressed'), + 'mid' => 'audio/midi', + 'midi' => 'audio/midi', + 'mpga' => 'audio/mpeg', + 'mp2' => 'audio/mpeg', + 'mp3' => array('audio/mpeg', 'audio/mpg', 'audio/mpeg3', 'audio/mp3'), + 'aif' => 'audio/x-aiff', + 'aiff' => 'audio/x-aiff', + 'aifc' => 'audio/x-aiff', + 'ram' => 'audio/x-pn-realaudio', + 'rm' => 'audio/x-pn-realaudio', + 'rpm' => 'audio/x-pn-realaudio-plugin', + 'ra' => 'audio/x-realaudio', + 'rv' => 'video/vnd.rn-realvideo', + 'wav' => array('audio/x-wav', 'audio/wave', 'audio/wav'), + 'bmp' => array('image/bmp', 'image/x-windows-bmp'), + 'gif' => 'image/gif', + 'jpeg' => array('image/jpeg', 'image/pjpeg'), + 'jpg' => array('image/jpeg', 'image/pjpeg'), + 'jpe' => array('image/jpeg', 'image/pjpeg'), + 'png' => array('image/png', 'image/x-png'), + 'tiff' => 'image/tiff', + 'tif' => 'image/tiff', + 'css' => 'text/css', + 'html' => 'text/html', + 'htm' => 'text/html', + 'shtml' => 'text/html', + 'txt' => 'text/plain', + 'text' => 'text/plain', + 'log' => array('text/plain', 'text/x-log'), + 'rtx' => 'text/richtext', + 'rtf' => 'text/rtf', + 'xml' => 'text/xml', + 'xsl' => 'text/xml', + 'mpeg' => 'video/mpeg', + 'mpg' => 'video/mpeg', + 'mpe' => 'video/mpeg', + 'qt' => 'video/quicktime', + 'mov' => 'video/quicktime', + 'avi' => 'video/x-msvideo', + 'movie' => 'video/x-sgi-movie', + 'doc' => 'application/msword', + 'docx' => array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip'), + 'xlsx' => array('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/zip'), + 'word' => array('application/msword', 'application/octet-stream'), + 'xl' => 'application/excel', + 'eml' => 'message/rfc822', + 'json' => array('application/json', 'text/json') + ); + + +/* End of file mimes.php */ +/* Location: ./application/config/mimes.php */ diff --git a/application/config/profiler.php b/application/config/profiler.php new file mode 100644 index 0000000..f8a5b1a --- /dev/null +++ b/application/config/profiler.php @@ -0,0 +1,17 @@ + array('grin.gif', '19', '19', 'grin'), + ':lol:' => array('lol.gif', '19', '19', 'LOL'), + ':cheese:' => array('cheese.gif', '19', '19', 'cheese'), + ':)' => array('smile.gif', '19', '19', 'smile'), + ';-)' => array('wink.gif', '19', '19', 'wink'), + ';)' => array('wink.gif', '19', '19', 'wink'), + ':smirk:' => array('smirk.gif', '19', '19', 'smirk'), + ':roll:' => array('rolleyes.gif', '19', '19', 'rolleyes'), + ':-S' => array('confused.gif', '19', '19', 'confused'), + ':wow:' => array('surprise.gif', '19', '19', 'surprised'), + ':bug:' => array('bigsurprise.gif', '19', '19', 'big surprise'), + ':-P' => array('tongue_laugh.gif', '19', '19', 'tongue laugh'), + '%-P' => array('tongue_rolleye.gif', '19', '19', 'tongue rolleye'), + ';-P' => array('tongue_wink.gif', '19', '19', 'tongue wink'), + ':P' => array('raspberry.gif', '19', '19', 'raspberry'), + ':blank:' => array('blank.gif', '19', '19', 'blank stare'), + ':long:' => array('longface.gif', '19', '19', 'long face'), + ':ohh:' => array('ohh.gif', '19', '19', 'ohh'), + ':grrr:' => array('grrr.gif', '19', '19', 'grrr'), + ':gulp:' => array('gulp.gif', '19', '19', 'gulp'), + '8-/' => array('ohoh.gif', '19', '19', 'oh oh'), + ':down:' => array('downer.gif', '19', '19', 'downer'), + ':red:' => array('embarrassed.gif', '19', '19', 'red face'), + ':sick:' => array('sick.gif', '19', '19', 'sick'), + ':shut:' => array('shuteye.gif', '19', '19', 'shut eye'), + ':-/' => array('hmm.gif', '19', '19', 'hmmm'), + '>:(' => array('mad.gif', '19', '19', 'mad'), + ':mad:' => array('mad.gif', '19', '19', 'mad'), + '>:-(' => array('angry.gif', '19', '19', 'angry'), + ':angry:' => array('angry.gif', '19', '19', 'angry'), + ':zip:' => array('zip.gif', '19', '19', 'zipper'), + ':kiss:' => array('kiss.gif', '19', '19', 'kiss'), + ':ahhh:' => array('shock.gif', '19', '19', 'shock'), + ':coolsmile:' => array('shade_smile.gif', '19', '19', 'cool smile'), + ':coolsmirk:' => array('shade_smirk.gif', '19', '19', 'cool smirk'), + ':coolgrin:' => array('shade_grin.gif', '19', '19', 'cool grin'), + ':coolhmm:' => array('shade_hmm.gif', '19', '19', 'cool hmm'), + ':coolmad:' => array('shade_mad.gif', '19', '19', 'cool mad'), + ':coolcheese:' => array('shade_cheese.gif', '19', '19', 'cool cheese'), + ':vampire:' => array('vampire.gif', '19', '19', 'vampire'), + ':snake:' => array('snake.gif', '19', '19', 'snake'), + ':exclaim:' => array('exclaim.gif', '19', '19', 'excaim'), + ':question:' => array('question.gif', '19', '19', 'question') // no comma after last item + + ); + +/* End of file smileys.php */ +/* Location: ./application/config/smileys.php */ \ No newline at end of file diff --git a/application/config/user_agents.php b/application/config/user_agents.php new file mode 100644 index 0000000..e2d3c3a --- /dev/null +++ b/application/config/user_agents.php @@ -0,0 +1,178 @@ + 'Windows Longhorn', + 'windows nt 5.2' => 'Windows 2003', + 'windows nt 5.0' => 'Windows 2000', + 'windows nt 5.1' => 'Windows XP', + 'windows nt 4.0' => 'Windows NT 4.0', + 'winnt4.0' => 'Windows NT 4.0', + 'winnt 4.0' => 'Windows NT', + 'winnt' => 'Windows NT', + 'windows 98' => 'Windows 98', + 'win98' => 'Windows 98', + 'windows 95' => 'Windows 95', + 'win95' => 'Windows 95', + 'windows' => 'Unknown Windows OS', + 'os x' => 'Mac OS X', + 'ppc mac' => 'Power PC Mac', + 'freebsd' => 'FreeBSD', + 'ppc' => 'Macintosh', + 'linux' => 'Linux', + 'debian' => 'Debian', + 'sunos' => 'Sun Solaris', + 'beos' => 'BeOS', + 'apachebench' => 'ApacheBench', + 'aix' => 'AIX', + 'irix' => 'Irix', + 'osf' => 'DEC OSF', + 'hp-ux' => 'HP-UX', + 'netbsd' => 'NetBSD', + 'bsdi' => 'BSDi', + 'openbsd' => 'OpenBSD', + 'gnu' => 'GNU/Linux', + 'unix' => 'Unknown Unix OS' + ); + + +// The order of this array should NOT be changed. Many browsers return +// multiple browser types so we want to identify the sub-type first. +$browsers = array( + 'Flock' => 'Flock', + 'Chrome' => 'Chrome', + 'Opera' => 'Opera', + 'MSIE' => 'Internet Explorer', + 'Internet Explorer' => 'Internet Explorer', + 'Shiira' => 'Shiira', + 'Firefox' => 'Firefox', + 'Chimera' => 'Chimera', + 'Phoenix' => 'Phoenix', + 'Firebird' => 'Firebird', + 'Camino' => 'Camino', + 'Netscape' => 'Netscape', + 'OmniWeb' => 'OmniWeb', + 'Safari' => 'Safari', + 'Mozilla' => 'Mozilla', + 'Konqueror' => 'Konqueror', + 'icab' => 'iCab', + 'Lynx' => 'Lynx', + 'Links' => 'Links', + 'hotjava' => 'HotJava', + 'amaya' => 'Amaya', + 'IBrowse' => 'IBrowse' + ); + +$mobiles = array( + // legacy array, old values commented out + 'mobileexplorer' => 'Mobile Explorer', +// 'openwave' => 'Open Wave', +// 'opera mini' => 'Opera Mini', +// 'operamini' => 'Opera Mini', +// 'elaine' => 'Palm', + 'palmsource' => 'Palm', +// 'digital paths' => 'Palm', +// 'avantgo' => 'Avantgo', +// 'xiino' => 'Xiino', + 'palmscape' => 'Palmscape', +// 'nokia' => 'Nokia', +// 'ericsson' => 'Ericsson', +// 'blackberry' => 'BlackBerry', +// 'motorola' => 'Motorola' + + // Phones and Manufacturers + 'motorola' => "Motorola", + 'nokia' => "Nokia", + 'palm' => "Palm", + 'iphone' => "Apple iPhone", + 'ipad' => "iPad", + 'ipod' => "Apple iPod Touch", + 'sony' => "Sony Ericsson", + 'ericsson' => "Sony Ericsson", + 'blackberry' => "BlackBerry", + 'cocoon' => "O2 Cocoon", + 'blazer' => "Treo", + 'lg' => "LG", + 'amoi' => "Amoi", + 'xda' => "XDA", + 'mda' => "MDA", + 'vario' => "Vario", + 'htc' => "HTC", + 'samsung' => "Samsung", + 'sharp' => "Sharp", + 'sie-' => "Siemens", + 'alcatel' => "Alcatel", + 'benq' => "BenQ", + 'ipaq' => "HP iPaq", + 'mot-' => "Motorola", + 'playstation portable' => "PlayStation Portable", + 'hiptop' => "Danger Hiptop", + 'nec-' => "NEC", + 'panasonic' => "Panasonic", + 'philips' => "Philips", + 'sagem' => "Sagem", + 'sanyo' => "Sanyo", + 'spv' => "SPV", + 'zte' => "ZTE", + 'sendo' => "Sendo", + + // Operating Systems + 'symbian' => "Symbian", + 'SymbianOS' => "SymbianOS", + 'elaine' => "Palm", + 'palm' => "Palm", + 'series60' => "Symbian S60", + 'windows ce' => "Windows CE", + + // Browsers + 'obigo' => "Obigo", + 'netfront' => "Netfront Browser", + 'openwave' => "Openwave Browser", + 'mobilexplorer' => "Mobile Explorer", + 'operamini' => "Opera Mini", + 'opera mini' => "Opera Mini", + + // Other + 'digital paths' => "Digital Paths", + 'avantgo' => "AvantGo", + 'xiino' => "Xiino", + 'novarra' => "Novarra Transcoder", + 'vodafone' => "Vodafone", + 'docomo' => "NTT DoCoMo", + 'o2' => "O2", + + // Fallback + 'mobile' => "Generic Mobile", + 'wireless' => "Generic Mobile", + 'j2me' => "Generic Mobile", + 'midp' => "Generic Mobile", + 'cldc' => "Generic Mobile", + 'up.link' => "Generic Mobile", + 'up.browser' => "Generic Mobile", + 'smartphone' => "Generic Mobile", + 'cellphone' => "Generic Mobile" + ); + +// There are hundreds of bots but these are the most common. +$robots = array( + 'googlebot' => 'Googlebot', + 'msnbot' => 'MSNBot', + 'slurp' => 'Inktomi Slurp', + 'yahoo' => 'Yahoo', + 'askjeeves' => 'AskJeeves', + 'fastcrawler' => 'FastCrawler', + 'infoseek' => 'InfoSeek Robot 1.0', + 'lycos' => 'Lycos' + ); + +/* End of file user_agents.php */ +/* Location: ./application/config/user_agents.php */ \ No newline at end of file diff --git a/application/controllers/index.html b/application/controllers/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/controllers/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/controllers/welcome.php b/application/controllers/welcome.php new file mode 100644 index 0000000..eb9a33a --- /dev/null +++ b/application/controllers/welcome.php @@ -0,0 +1,107 @@ +load->model('ecard_model', 'ecard'); + } + + public function index() + { + + $data = array( + 'page_title' => array( 'Etusivu', 'Ystäväkylä eKortti' ), + 'page_classes' => array( 'frontpage' ) + ); + + $this->load->view('_header', $data); + $this->load->view('welcome_message', $data); + $this->load->view('_footer', $data); + } + + public function info() + { + $data = array( + 'page_title' => array( 'Tietoa', 'Ystäväkylä eKortti' ), + 'page_classes' => array( 'info' ) + ); + + $this->load->view('_header', $data); + $this->load->view('info', $data); + $this->load->view('_footer', $data); + } + + public function newCard() + { + + $data = array( + 'page_title' => array( 'Uusi eKortti', 'Ystäväkylä eKortti' ), + 'page_classes' => array( 'new_card' ), + + 'images' => array( + "http://placekitten.com/800/550", + "http://placekitten.com/g/800/550", + "http://placekitten.com/800/551", + "http://placekitten.com/g/800/551", + "http://placekitten.com/800/552", + "http://placekitten.com/g/800/552" + ) + ); + + $this->load->view('_header', $data); + $this->load->view('new', $data); + $this->load->view('_footer', $data); + } + + public function ecards($card_id = null) + { + $data = array( + 'page_classes' => array( 'ecards' ) + ); + + if (empty($card_id)) { + $data['ecards'] = $this->ecard->get_all(); + $data['page_title'] = array( 'Listaa kaikki kortit', 'Ystäväkylä eKortti' ); + $data['page_classes'][] = 'show_all'; + + $this->load->view('_header', $data); + $this->load->view('show_all', $data); + $this->load->view('_footer', $data); + + } else { + + if (strlen($card_id) != 32) { + redirect("ecards"); + } + + $data['ecard'] = $this->ecard->get_by('hash', $card_id); + $data['page_title'] = array( 'eKortti', 'Ystäväkylä eKortti' ); + + if (empty($data['ecard'])) { + $data['ecard'] = new stdClass(); + $data['ecard']->id = $card_id; + $data['ecard']->response = "error"; + $data['ecard']->response_text = "No card found with that id"; + } + + $data['page_classes'][] = 'show_one'; + + $this->load->view('_header', $data); + $this->load->view('show_one', $data); + $this->load->view('_footer', $data); + + } + # code... + } + + public function upload() + { + # code... + } +} + +/* End of file welcome.php */ +/* Location: ./application/controllers/welcome.php */ diff --git a/application/controllers/yllapito.php b/application/controllers/yllapito.php new file mode 100644 index 0000000..0a1848b --- /dev/null +++ b/application/controllers/yllapito.php @@ -0,0 +1,107 @@ +load->model('ecard_model', 'ecard'); + $this->load->model('erkanaauth_model', 'erkana'); + + $this->user = $this->erkana->getUser(); + } + + public function index() + { + if (empty($this->user)) { + redirect("/yllapito/kirjaudu"); + } + + $data = array( + 'page_title' => array( 'Etusivu', 'Ystäväkylä eKortti' ), + 'page_classes' => array( 'frontpage' ), + 'user' => $this->user, + 'messages' => $this->session->flashdata('messages') + ); + + $this->load->view('_header', $data); + $this->load->view('yllapito/dashboard', $data); + $this->load->view('_footer', $data); + } + + public function kirjaudu() + { + // POST + $login = $this->input->post(); + if ($login) { + $user = $this->input->post('username'); + $pass = $this->input->post('password'); + + // Hash the password + $pass = $this->passwordhash($pass); + + $test = array( + 'username' => $user, + 'password' => $pass // Hashed password + ); + $this->erkana->try_login($test); + + if (($user = $this->erkana->getUser())) { + $this->db->update( + 'users', + array( + 'last_login' => date("Y-m-d H:i:s") + ), + "id = ". $user->id + ); + redirect("yllapito"); + } else { + $this->session->set_flashdata( + 'error', + 'Kirjautuminen epäonnistui' + ); + redirect("yllapito/kirjaudu"); + } + } + + // GET + if (! empty($this->user)) { + redirect("yllapito"); + } + + $data = array( + 'page_title' => array( 'Kirjaudu', 'Ystäväkylä eKortti' ), + 'page_classes' => array( 'login' ), + 'user' => $this->user, + 'error' => $this->session->flashdata('error') + ); + + $this->load->view('_header', $data); + $this->load->view('yllapito/login', $data); + $this->load->view('_footer', $data); + } + + + public function logout() + { + $this->erkana->logout(); + redirect("yllapito"); + } + + public function makePassword($password = null) + { + echo $this->passwordhash($password); + } + + + + private function passwordhash($password = null) + { + return hash( + 'ripemd160', + $password . $this->config->item('encryption_key') + ); + } +} diff --git a/application/core/MY_Model.php b/application/core/MY_Model.php new file mode 100644 index 0000000..0120372 --- /dev/null +++ b/application/core/MY_Model.php @@ -0,0 +1,917 @@ + + */ + +class MY_Model extends CI_Model +{ + + /* -------------------------------------------------------------- + * VARIABLES + * ------------------------------------------------------------ */ + + /** + * This model's default database table. Automatically + * guessed by pluralising the model name. + */ + protected $_table; + + /** + * Specify a database group to manually connect this model + * to the specified DB. You can pass either the group name + * as defined in application/config/database.php, or a + * config array of the same format (basically the same thing + * you can pass to $this->load->database()). If left empty, + * the default DB will be used. + */ + protected $_db_group; + + /** + * The database connection object. Will be set to the default + * connection unless $this->_db_group is specified. This allows + * individual models to use different DBs without overwriting + * CI's global $this->db connection. + */ + public $_database; + + /** + * This model's default primary key or unique identifier. + * Used by the get(), update() and delete() functions. + */ + protected $primary_key = 'id'; + + /** + * Support for soft deletes and this model's 'deleted' key + */ + protected $soft_delete = FALSE; + protected $soft_delete_key = 'deleted'; + protected $_temporary_with_deleted = FALSE; + + /** + * The various callbacks available to the model. Each are + * simple lists of method names (methods will be run on $this). + */ + protected $before_create = array(); + protected $after_create = array(); + protected $before_update = array(); + protected $after_update = array(); + protected $before_get = array(); + protected $after_get = array(); + protected $before_delete = array(); + protected $after_delete = array(); + + protected $callback_parameters = array(); + + /** + * Protected, non-modifiable attributes + */ + protected $protected_attributes = array(); + + /** + * Relationship arrays. Use flat strings for defaults or string + * => array to customise the class name and primary key + */ + protected $belongs_to = array(); + protected $has_many = array(); + + protected $_with = array(); + + /** + * An array of validation rules. This needs to be the same format + * as validation rules passed to the Form_validation library. + */ + protected $validate = array(); + + /** + * Optionally skip the validation. Used in conjunction with + * skip_validation() to skip data validation for any future calls. + */ + protected $skip_validation = FALSE; + + /** + * By default we return our results as objects. If we need to override + * this, we can, or, we could use the `as_array()` and `as_object()` scopes. + */ + protected $return_type = 'object'; + protected $_temporary_return_type = NULL; + + /* -------------------------------------------------------------- + * GENERIC METHODS + * ------------------------------------------------------------ */ + + /** + * Initialise the model, tie into the CodeIgniter superobject and + * try our best to guess the table name. + */ + public function __construct() + { + parent::__construct(); + + $this->load->helper('inflector'); + + $this->_set_database(); + $this->_fetch_table(); + + array_unshift($this->before_create, 'protect_attributes'); + array_unshift($this->before_update, 'protect_attributes'); + + $this->_temporary_return_type = $this->return_type; + } + + /* -------------------------------------------------------------- + * CRUD INTERFACE + * ------------------------------------------------------------ */ + + /** + * Fetch a single record based on the primary key. Returns an object. + */ + public function get($primary_value) + { + $this->trigger('before_get'); + + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + $row = $this->_database->where($this->primary_key, $primary_value) + ->get($this->_table) + ->{$this->_return_type()}(); + $this->_temporary_return_type = $this->return_type; + + $row = $this->trigger('after_get', $row); + + $this->_with = array(); + return $row; + } + + /** + * Fetch a single record based on an arbitrary WHERE call. Can be + * any valid value to $this->_database->where(). + */ + public function get_by() + { + $where = func_get_args(); + $this->_set_where($where); + + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + $this->trigger('before_get'); + + $row = $this->_database->get($this->_table) + ->{$this->_return_type()}(); + $this->_temporary_return_type = $this->return_type; + + $row = $this->trigger('after_get', $row); + + $this->_with = array(); + return $row; + } + + /** + * Fetch an array of records based on an array of primary values. + */ + public function get_many($values) + { + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + $this->_database->where_in($this->primary_key, $values); + + return $this->get_all(); + } + + /** + * Fetch an array of records based on an arbitrary WHERE call. + */ + public function get_many_by() + { + $where = func_get_args(); + $this->_set_where($where); + + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + return $this->get_all(); + } + + /** + * Fetch all the records in the table. Can be used as a generic call + * to $this->_database->get() with scoped methods. + */ + public function get_all() + { + $this->trigger('before_get'); + + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + $result = $this->_database->get($this->_table) + ->{$this->_return_type(1)}(); + $this->_temporary_return_type = $this->return_type; + + foreach ($result as $key => &$row) + { + $row = $this->trigger('after_get', $row, ($key == count($result) - 1)); + } + + $this->_with = array(); + return $result; + } + + /** + * Insert a new row into the table. $data should be an associative array + * of data to be inserted. Returns newly created ID. + */ + public function insert($data, $skip_validation = FALSE) + { + $valid = TRUE; + + if ($skip_validation === FALSE) + { + $data = $this->validate($data); + } + + if ($data !== FALSE) + { + $data = $this->trigger('before_create', $data); + + $this->_database->insert($this->_table, $data); + $insert_id = $this->_database->insert_id(); + + $this->trigger('after_create', $insert_id); + + return $insert_id; + } + else + { + return FALSE; + } + } + + /** + * Insert multiple rows into the table. Returns an array of multiple IDs. + */ + public function insert_many($data, $skip_validation = FALSE) + { + $ids = array(); + + foreach ($data as $key => $row) + { + $ids[] = $this->insert($row, $skip_validation, ($key == count($data) - 1)); + } + + return $ids; + } + + /** + * Updated a record based on the primary value. + */ + public function update($primary_value, $data, $skip_validation = FALSE) + { + $valid = TRUE; + + $data = $this->trigger('before_update', $data); + + if ($skip_validation === FALSE) + { + $data = $this->validate($data); + } + + if ($data !== FALSE) + { + $result = $this->_database->where($this->primary_key, $primary_value) + ->set($data) + ->update($this->_table); + + $this->trigger('after_update', array($data, $result)); + + return $result; + } + else + { + return FALSE; + } + } + + /** + * Update many records, based on an array of primary values. + */ + public function update_many($primary_values, $data, $skip_validation = FALSE) + { + $data = $this->trigger('before_update', $data); + + if ($skip_validation === FALSE) + { + $data = $this->validate($data); + } + + if ($data !== FALSE) + { + $result = $this->_database->where_in($this->primary_key, $primary_values) + ->set($data) + ->update($this->_table); + + $this->trigger('after_update', array($data, $result)); + + return $result; + } + else + { + return FALSE; + } + } + + /** + * Updated a record based on an arbitrary WHERE clause. + */ + public function update_by() + { + $args = func_get_args(); + $data = array_pop($args); + $this->_set_where($args); + + $data = $this->trigger('before_update', $data); + + if ($this->validate($data) !== FALSE) + { + $result = $this->_database->set($data) + ->update($this->_table); + $this->trigger('after_update', array($data, $result)); + + return $result; + } + else + { + return FALSE; + } + } + + /** + * Update all records + */ + public function update_all($data) + { + $data = $this->trigger('before_update', $data); + $result = $this->_database->set($data) + ->update($this->_table); + $this->trigger('after_update', array($data, $result)); + + return $result; + } + + /** + * Delete a row from the table by the primary value + */ + public function delete($id) + { + $this->trigger('before_delete', $id); + + $this->_database->where($this->primary_key, $id); + + if ($this->soft_delete) + { + $result = $this->_database->update($this->_table, array( $this->soft_delete_key => TRUE )); + } + else + { + $result = $this->_database->delete($this->_table); + } + + $this->trigger('after_delete', $result); + + return $result; + } + + /** + * Delete a row from the database table by an arbitrary WHERE clause + */ + public function delete_by() + { + $where = func_get_args(); + $this->_set_where($where); + + $where = $this->trigger('before_delete', $where); + + if ($this->soft_delete) + { + $result = $this->_database->update($this->_table, array( $this->soft_delete_key => TRUE )); + } + else + { + $result = $this->_database->delete($this->_table); + } + + $this->trigger('after_delete', $result); + + return $result; + } + + /** + * Delete many rows from the database table by multiple primary values + */ + public function delete_many($primary_values) + { + $primary_values = $this->trigger('before_delete', $primary_values); + + $this->_database->where_in($this->primary_key, $primary_values); + + if ($this->soft_delete) + { + $result = $this->_database->update($this->_table, array( $this->soft_delete_key => TRUE )); + } + else + { + $result = $this->_database->delete($this->_table); + } + + $this->trigger('after_delete', $result); + + return $result; + } + + + /** + * Truncates the table + */ + public function truncate() + { + $result = $this->_database->truncate($this->_table); + + return $result; + } + + /* -------------------------------------------------------------- + * RELATIONSHIPS + * ------------------------------------------------------------ */ + + public function with($relationship) + { + $this->_with[] = $relationship; + + if (!in_array('relate', $this->after_get)) + { + $this->after_get[] = 'relate'; + } + + return $this; + } + + public function relate($row) + { + foreach ($this->belongs_to as $key => $value) + { + if (is_string($value)) + { + $relationship = $value; + $options = array( 'primary_key' => $value . '_id', 'model' => $value . '_model' ); + } + else + { + $relationship = $key; + $options = $value; + } + + if (in_array($relationship, $this->_with)) + { + $this->load->model($options['model']); + if (is_object($row)) + { + $row->{$relationship} = $this->{$options['model']}->get($row->{$options['primary_key']}); + } + else + { + $row[$relationship] = $this->{$options['model']}->get($row[$options['primary_key']]); + } + } + } + + foreach ($this->has_many as $key => $value) + { + if (is_string($value)) + { + $relationship = $value; + $options = array( 'primary_key' => singular($this->_table) . '_id', 'model' => singular($value) . '_model' ); + } + else + { + $relationship = $key; + $options = $value; + } + + if (in_array($relationship, $this->_with)) + { + $this->load->model($options['model']); + if (is_object($row)) + { + $row->{$relationship} = $this->{$options['model']}->get_many_by($options['primary_key'], $row->{$this->primary_key}); + } + else + { + $row[$relationship] = $this->{$options['model']}->get_many_by($options['primary_key'], $row[$this->primary_key]); + } + } + } + + return $row; + } + + /* -------------------------------------------------------------- + * UTILITY METHODS + * ------------------------------------------------------------ */ + + /** + * Retrieve and generate a form_dropdown friendly array + */ + function dropdown() + { + $args = func_get_args(); + + if(count($args) == 2) + { + list($key, $value) = $args; + } + else + { + $key = $this->primary_key; + $value = $args[0]; + } + + $this->trigger('before_dropdown', array( $key, $value )); + + if ($this->soft_delete && $this->_temporary_with_deleted !== TRUE) + { + $this->_database->where($this->soft_delete_key, FALSE); + } + + $result = $this->_database->select(array($key, $value)) + ->get($this->_table) + ->result(); + + $options = array(); + + foreach ($result as $row) + { + $options[$row->{$key}] = $row->{$value}; + } + + $options = $this->trigger('after_dropdown', $options); + + return $options; + } + + /** + * Fetch a count of rows based on an arbitrary WHERE call. + */ + public function count_by() + { + $where = func_get_args(); + $this->_set_where($where); + + return $this->_database->count_all_results($this->_table); + } + + /** + * Fetch a total count of rows, disregarding any previous conditions + */ + public function count_all() + { + return $this->_database->count_all($this->_table); + } + + /** + * Tell the class to skip the insert validation + */ + public function skip_validation() + { + $this->skip_validation = TRUE; + return $this; + } + + /** + * Get the skip validation status + */ + public function get_skip_validation() + { + return $this->skip_validation; + } + + /** + * Return the next auto increment of the table. Only tested on MySQL. + */ + public function get_next_id() + { + return (int) $this->_database->select('AUTO_INCREMENT') + ->from('information_schema.TABLES') + ->where('TABLE_NAME', $this->_table) + ->where('TABLE_SCHEMA', $this->_database->database)->get()->row()->AUTO_INCREMENT; + } + + /** + * Getter for the table name + */ + public function table() + { + return $this->_table; + } + + /* -------------------------------------------------------------- + * GLOBAL SCOPES + * ------------------------------------------------------------ */ + + /** + * Return the next call as an array rather than an object + */ + public function as_array() + { + $this->_temporary_return_type = 'array'; + return $this; + } + + /** + * Return the next call as an object rather than an array + */ + public function as_object() + { + $this->_temporary_return_type = 'object'; + return $this; + } + + /** + * Don't care about soft deleted rows on the next call + */ + public function with_deleted() + { + $this->_temporary_with_deleted = TRUE; + return $this; + } + + /* -------------------------------------------------------------- + * OBSERVERS + * ------------------------------------------------------------ */ + + /** + * MySQL DATETIME created_at and updated_at + */ + public function created_at($row) + { + if (is_object($row)) + { + $row->created_at = date('Y-m-d H:i:s'); + } + else + { + $row['created_at'] = date('Y-m-d H:i:s'); + } + + return $row; + } + + public function updated_at($row) + { + if (is_object($row)) + { + $row->updated_at = date('Y-m-d H:i:s'); + } + else + { + $row['updated_at'] = date('Y-m-d H:i:s'); + } + + return $row; + } + + /** + * Serialises data for you automatically, allowing you to pass + * through objects and let it handle the serialisation in the background + */ + public function serialize($row) + { + foreach ($this->callback_parameters as $column) + { + $row[$column] = serialize($row[$column]); + } + + return $row; + } + + public function unserialize($row) + { + foreach ($this->callback_parameters as $column) + { + if (is_array($row)) + { + $row[$column] = unserialize($row[$column]); + } + else + { + $row->$column = unserialize($row->$column); + } + } + + return $row; + } + + /** + * Protect attributes by removing them from $row array + */ + public function protect_attributes($row) + { + foreach ($this->protected_attributes as $attr) + { + if (is_object($row)) + { + unset($row->$attr); + } + else + { + unset($row[$attr]); + } + } + + return $row; + } + + /* -------------------------------------------------------------- + * QUERY BUILDER DIRECT ACCESS METHODS + * ------------------------------------------------------------ */ + + /** + * A wrapper to $this->_database->order_by() + */ + public function order_by($criteria, $order = 'ASC') + { + if ( is_array($criteria) ) + { + foreach ($criteria as $key => $value) + { + $this->_database->order_by($key, $value); + } + } + else + { + $this->_database->order_by($criteria, $order); + } + return $this; + } + + /** + * A wrapper to $this->_database->limit() + */ + public function limit($limit, $offset = 0) + { + $this->_database->limit($limit, $offset); + return $this; + } + + /* -------------------------------------------------------------- + * INTERNAL METHODS + * ------------------------------------------------------------ */ + + /** + * Trigger an event and call its observers. Pass through the event name + * (which looks for an instance variable $this->event_name), an array of + * parameters to pass through and an optional 'last in interation' boolean + */ + public function trigger($event, $data = FALSE, $last = TRUE) + { + if (isset($this->$event) && is_array($this->$event)) + { + foreach ($this->$event as $method) + { + if (strpos($method, '(')) + { + preg_match('/([a-zA-Z0-9\_\-]+)(\(([a-zA-Z0-9\_\-\., ]+)\))?/', $method, $matches); + + $method = $matches[1]; + $this->callback_parameters = explode(',', $matches[3]); + } + + $data = call_user_func_array(array($this, $method), array($data, $last)); + } + } + + return $data; + } + + /** + * Run validation on the passed data + */ + public function validate($data) + { + if($this->skip_validation) + { + return $data; + } + + if(!empty($this->validate)) + { + foreach($data as $key => $val) + { + $_POST[$key] = $val; + } + + $this->load->library('form_validation'); + + if(is_array($this->validate)) + { + $this->form_validation->set_rules($this->validate); + + if ($this->form_validation->run() === TRUE) + { + return $data; + } + else + { + return FALSE; + } + } + else + { + if ($this->form_validation->run($this->validate) === TRUE) + { + return $data; + } + else + { + return FALSE; + } + } + } + else + { + return $data; + } + } + + /** + * Guess the table name by pluralising the model name + */ + private function _fetch_table() + { + if ($this->_table == NULL) + { + $this->_table = plural(preg_replace('/(_m|_model)?$/', '', strtolower(get_class($this)))); + } + } + + /** + * Establish the database connection. + */ + private function _set_database() + { + // Was a DB group specified by the user? + if ($this->_db_group !== NULL) + { + $this->_database = $this->load->database($this->_db_group, TRUE, TRUE); + } + // No DB group specified, use the default connection. + else + { + // Has the default connection been loaded yet? + if ( ! isset($this->db) OR ! is_object($this->db)) + { + $this->load->database('', FALSE, TRUE); + } + + $this->_database = $this->db; + } + } + + /** + * Set WHERE parameters, cleverly + */ + protected function _set_where($params) + { + if (count($params) == 1) + { + $this->_database->where($params[0]); + } + else + { + $this->_database->where($params[0], $params[1]); + } + } + + /** + * Return the method name for the current return type + */ + protected function _return_type($multi = FALSE) + { + $method = ($multi) ? 'result' : 'row'; + return $this->_temporary_return_type == 'array' ? $method . '_array' : $method; + } +} \ No newline at end of file diff --git a/application/core/index.html b/application/core/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/core/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/errors/error_404.php b/application/errors/error_404.php new file mode 100644 index 0000000..fc90c5b --- /dev/null +++ b/application/errors/error_404.php @@ -0,0 +1,30 @@ + $ci->erkana->getUser() +); + +$ci->load->view("_header", $data); + +if (!isset($heading)) { + $heading = "Otsikko"; +} +if (!isset($message)) { + $message = "Viesti"; +} + +?> + +
+
+
+ +

+ +
+
+
+ +load->view("_footer", $data); \ No newline at end of file diff --git a/application/errors/error_db.php b/application/errors/error_db.php new file mode 100644 index 0000000..b396cda --- /dev/null +++ b/application/errors/error_db.php @@ -0,0 +1,62 @@ + + + +Database Error + + + +
+

+ +
+ + \ No newline at end of file diff --git a/application/errors/error_general.php b/application/errors/error_general.php new file mode 100644 index 0000000..fd63ce2 --- /dev/null +++ b/application/errors/error_general.php @@ -0,0 +1,62 @@ + + + +Error + + + +
+

+ +
+ + \ No newline at end of file diff --git a/application/errors/error_php.php b/application/errors/error_php.php new file mode 100644 index 0000000..f085c20 --- /dev/null +++ b/application/errors/error_php.php @@ -0,0 +1,10 @@ +
+ +

A PHP Error was encountered

+ +

Severity:

+

Message:

+

Filename:

+

Line Number:

+ +
\ No newline at end of file diff --git a/application/errors/index.html b/application/errors/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/errors/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/helpers/index.html b/application/helpers/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/helpers/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/hooks/index.html b/application/hooks/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/hooks/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/index.html b/application/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/language/english/index.html b/application/language/english/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/language/english/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/libraries/index.html b/application/libraries/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/libraries/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/logs/index.html b/application/logs/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/logs/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/models/ecard_model.php b/application/models/ecard_model.php new file mode 100644 index 0000000..573ae9d --- /dev/null +++ b/application/models/ecard_model.php @@ -0,0 +1,20 @@ +$email, + * 'password'=>dohash($password) + * ); + * $this->erkanaauth->try_login($conditions)); + * + * @access public + * @param array login conditions + * @return mixed boolean:false or object with user record + */ + function try_login($condition = array()) + { + $query = $this->db->get_where($this->db_table, $condition, 1, 0); + + if ($query->num_rows != 1) return FALSE; + + $row = $query->row(); + $this->session->set_userdata(array('user_id'=>$row->id)); + + return $row; + } + + /** + * Multipurpose: Check logged state and have the current user info + * + * Copied from http://codeigniter.com/forums/viewthread/63423/P30/: + * getUser() now returns a user's record and can be + * used to determine login status as well as retrieving + * user information. Right now it doesn’t support roles + * (so if you use that system, add in a JOIN to the method below) + * but it will when I actually release this version + * + * @access public + * @param int the user id, defaults to session user_id + * @return mixed boolean:false or object with user record + */ + function getUser($id = FALSE) + { + if ($id == FALSE) $id = $this->session->userdata('user_id'); + + if ($id == FALSE) return FALSE; + + $condition = array(($this->db_table .'.' .$this->db_userid) =>$id); + + $query = $this->db->get_where($this->db_table, $condition, 1, 0); + + $row = ($query->num_rows() == 1) ? $query->row() : FALSE; + + return $row; + } + + /** + * Logs a user out + * + * Example: $this->erkanaauth->logout() + * + * @access public + * @return void + */ + function logout() + { + $this->session->set_userdata(array('user_id'=>FALSE)); + } + } + + ?> \ No newline at end of file diff --git a/application/models/index.html b/application/models/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/models/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/third_party/index.html b/application/third_party/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/third_party/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/views/_footer.php b/application/views/_footer.php new file mode 100644 index 0000000..df9436b --- /dev/null +++ b/application/views/_footer.php @@ -0,0 +1,25 @@ + + + + + + + + + + + + + + + + + + diff --git a/application/views/_header.php b/application/views/_header.php new file mode 100644 index 0000000..ed030e5 --- /dev/null +++ b/application/views/_header.php @@ -0,0 +1,139 @@ + + + + + + + + <?php echo implode(" » ", $page_title); ?> + + + + + + +
+
+ + +
+ +
+ + + + diff --git a/application/views/_partial_cardlist.php b/application/views/_partial_cardlist.php new file mode 100644 index 0000000..c4e9050 --- /dev/null +++ b/application/views/_partial_cardlist.php @@ -0,0 +1,33 @@ + +
+
+ +
+
+ diff --git a/application/views/index.html b/application/views/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/application/views/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/application/views/info.php b/application/views/info.php new file mode 100644 index 0000000..ba3bfb0 --- /dev/null +++ b/application/views/info.php @@ -0,0 +1,58 @@ + +
+
+
+ +

Tietoa eKortista

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ + +

Yhteystiedot

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ +

Rekisteriseloste

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ + +
+
+
\ No newline at end of file diff --git a/application/views/new.php b/application/views/new.php new file mode 100644 index 0000000..c6b893e --- /dev/null +++ b/application/views/new.php @@ -0,0 +1,197 @@ + +
+
+
+ +

Luo uusi eKortti!

+ +

+ Suunnittele oma eKorttisi ja lähetä se ystävällesi! + Samalla voit osallistua arvontaan josta voit voittaa huikean hienoja palkintoja. +

+ + +
+
+
+ +
+
+
+
+ +

Tiedot

+ + +
+
+
+
+ +
+
+ +
+
+
+
+ +
+
+ +
+
+
+
+ + +
+
+
+
+ +
+
+ +
+
+
+
+ +
+
+ +
+
+
+
+ + + +
+
+ +
+
+ +
+
+ + + +
+
+ +
+
+ +
+
+
+
+ +
+
+ +
+
+ + + + + + + + + + + + + +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
 
+
+ +
+
+ + + + +
+ + + + +
+
+ +
+
+

Esikatselu

+
+
Moikka!
+
Terveisiä täältä internetistä!
+ +
+
+
+

Tiedot kerätään vain postikorttien lähettämiseen ja halutessasi arvontaan osallistumista varten.

+
+
+ + +
diff --git a/application/views/show_all.php b/application/views/show_all.php new file mode 100644 index 0000000..17ad9a6 --- /dev/null +++ b/application/views/show_all.php @@ -0,0 +1,26 @@ + + +
+ +
+
+

Tässä kaikki Ystäväkylän sähköpostikortit!

+

Postikortit ovat järjestetty luomisjärjestykseen, uusimmat ensimmäiseksi. Tällä hetkellä postikortteja on kaikkiaan kappaletta joista näytetään julkisesti kappaletta. Yksityisiä kortteja on kappaletta.

+
+
+ +load->view('_partial_cardlist.php', array('amount' => $public)); ?> + + +
+ diff --git a/application/views/show_one.php b/application/views/show_one.php new file mode 100644 index 0000000..bfc5b0b --- /dev/null +++ b/application/views/show_one.php @@ -0,0 +1,22 @@ + +
+
+
+response == "200" ) { +?> +

Postikortti #id;?>

+ +

Tunnuksella ei löytynyt ainuttakaan korttia

+

Sähköpostikortti on joko poistettu järjestelmästä, tai sitten seurasit rikkinäistä linkkiä.

+

+ +
+ +
+
+
\ No newline at end of file diff --git a/application/views/welcome_message.php b/application/views/welcome_message.php new file mode 100644 index 0000000..c89a96e --- /dev/null +++ b/application/views/welcome_message.php @@ -0,0 +1,32 @@ + + +
+ +
+
+

Tervetuloa Ystäväkylän ePostikorttiin!

+ +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ + +

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod + tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo + consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse + cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non + proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

+ +
+
+ +load->view('_partial_cardlist.php', array('amount' => 5)); ?> + + + +
+ diff --git a/application/views/yllapito/dashboard.php b/application/views/yllapito/dashboard.php new file mode 100644 index 0000000..9a8ba30 --- /dev/null +++ b/application/views/yllapito/dashboard.php @@ -0,0 +1,15 @@ + +
+
+
+
+ +
+
+
diff --git a/application/views/yllapito/login.php b/application/views/yllapito/login.php new file mode 100644 index 0000000..091d4ee --- /dev/null +++ b/application/views/yllapito/login.php @@ -0,0 +1,83 @@ + + +
+
+
+ +
+
+ +

Kirjaudu sisään

+ + +
+ +
+ + +
+
+
+
+
+ +
+
+ +
+
+
+
+ +
+
+ +
+
+
+
+ +
+
 
+
+ +
+
+
+ + +
+
+ + +
+
+
+ + + diff --git a/assets/.htaccess b/assets/.htaccess new file mode 100644 index 0000000..d61f4cb --- /dev/null +++ b/assets/.htaccess @@ -0,0 +1 @@ +ExpiresDefault "access plus 1 year" \ No newline at end of file diff --git a/assets/css/foundation.min.css b/assets/css/foundation.min.css new file mode 100644 index 0000000..0bedfea --- /dev/null +++ b/assets/css/foundation.min.css @@ -0,0 +1 @@ +*,*:before,*:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}html,body{font-size:100%}body{background:#fff;color:#222;padding:0;margin:0;font-family:"Helvetica Neue","Helvetica",Helvetica,Arial,sans-serif;font-weight:normal;font-style:normal;line-height:1;position:relative}a:focus{outline:none}img,object,embed{max-width:100%;height:auto}object,embed{height:100%}img{-ms-interpolation-mode:bicubic}#map_canvas img,#map_canvas embed,#map_canvas object,.map_canvas img,.map_canvas embed,.map_canvas object{max-width:none !important}.left{float:left 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";display:table}.row .row.collapse:after{clear:both}.column,.columns{position:relative;padding-left:0.9375em;padding-right:0.9375em;width:100%;float:left}@media only 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text-align: center; + padding-right: 20px; + margin-bottom: 0px; +} + +.backgroundfix { + background: #fff; +} + +.panel { + border-color: transparent; +} + +.image-panel a { + color: #333; + font-size: 11px; +} + +#ecard_form label.error { + margin-top: -10px; + padding-bottom: 20px; + clear: both; + overflow: auto; +} + +#message_text { + width: 100%; + max-width: 100%; + min-width: 100%; + height: 200px; + min-height: 200px; + max-height: 500px; +} + +#previewpanel { + border: 1px solid #333; + position: relative; + height: 350px; +} + +#previewpanel, .previewpanelclear { + clear: both; + overflow: auto; +} + +#previewimage { + position:absolute; + top: 0px; + left: 0px; + border: 1px solid #333; + z-index: 1; +} + +.postcard_preview { + width: 100%; + height: 300px; + background: #333; +} + +#message_title_preview { + font-size: 30px; + font-weight: bold; +} +#message_text_preview { + font-size: 18px; +} + +#message_title_preview, +#message_text_preview { + position: relative; + z-index: 2; + color: #fff; + text-shadow: 0px 0px 10px rgba(150, 150, 150, 1); + width: 90%; + cursor: move; + border: 1px dashed #666; +} +#message_title_preview { + top: 20px; + left: 10px; +} +#message_text_preview { + top: 40px; + left: 10px; + white-space: pre; +} + +.ui-draggable-dragging, +.ui-resizable-resizing { + background: #fff; + background: rgba(255, 255, 255, 0.5); +} + +ul.thumbnails.image_picker_selector { + overflow: auto; + list-style-image: none; + list-style-position: outside; + list-style-type: none; + padding: 0px; + margin: 0px; +} +ul.thumbnails.image_picker_selector li { + margin: 0px 3px 3px 0px; + float: left; +} +ul.thumbnails.image_picker_selector li .thumbnail { + padding: 3px; + border: 1px solid #dddddd; + width: 90px; + height: 71px; +} +ul.thumbnails.image_picker_selector li .thumbnail.selected { + background: #0088cc; + width: 90px; + height: 71px; +} \ No newline at end of file diff --git a/assets/img/headerbg2.png b/assets/img/headerbg2.png new file mode 100644 index 0000000..42cd4bb Binary files /dev/null and b/assets/img/headerbg2.png differ diff --git a/assets/img/logo.png b/assets/img/logo.png new file mode 100644 index 0000000..9c17047 Binary files /dev/null and b/assets/img/logo.png differ diff --git a/assets/img/tausta.jpg b/assets/img/tausta.jpg new file mode 100644 index 0000000..92f9634 Binary files /dev/null and b/assets/img/tausta.jpg differ diff --git a/favicon.ico b/favicon.ico new file mode 100644 index 0000000..5c40759 Binary files /dev/null and b/favicon.ico differ diff --git a/index.php b/index.php new file mode 100644 index 0000000..0cab8ab --- /dev/null +++ b/index.php @@ -0,0 +1,213 @@ +marker[$name] = microtime(); + } + + // -------------------------------------------------------------------- + + /** + * Calculates the time difference between two marked points. + * + * If the first parameter is empty this function instead returns the + * {elapsed_time} pseudo-variable. This permits the full system + * execution time to be shown in a template. The output class will + * swap the real value for this variable. + * + * @access public + * @param string a particular marked point + * @param string a particular marked point + * @param integer the number of decimal places + * @return mixed + */ + function elapsed_time($point1 = '', $point2 = '', $decimals = 4) + { + if ($point1 == '') + { + return '{elapsed_time}'; + } + + if ( ! isset($this->marker[$point1])) + { + return ''; + } + + if ( ! isset($this->marker[$point2])) + { + $this->marker[$point2] = microtime(); + } + + list($sm, $ss) = explode(' ', $this->marker[$point1]); + list($em, $es) = explode(' ', $this->marker[$point2]); + + return number_format(($em + $es) - ($sm + $ss), $decimals); + } + + // -------------------------------------------------------------------- + + /** + * Memory Usage + * + * This function returns the {memory_usage} pseudo-variable. + * This permits it to be put it anywhere in a template + * without the memory being calculated until the end. + * The output class will swap the real value for this variable. + * + * @access public + * @return string + */ + function memory_usage() + { + return '{memory_usage}'; + } + +} + +// END CI_Benchmark class + +/* End of file Benchmark.php */ +/* Location: ./system/core/Benchmark.php */ \ No newline at end of file diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php new file mode 100755 index 0000000..c16c79c --- /dev/null +++ b/system/core/CodeIgniter.php @@ -0,0 +1,402 @@ + $assign_to_config['subclass_prefix'])); + } + +/* + * ------------------------------------------------------ + * Set a liberal script execution time limit + * ------------------------------------------------------ + */ + if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0) + { + @set_time_limit(300); + } + +/* + * ------------------------------------------------------ + * Start the timer... tick tock tick tock... + * ------------------------------------------------------ + */ + $BM =& load_class('Benchmark', 'core'); + $BM->mark('total_execution_time_start'); + $BM->mark('loading_time:_base_classes_start'); + +/* + * ------------------------------------------------------ + * Instantiate the hooks class + * ------------------------------------------------------ + */ + $EXT =& load_class('Hooks', 'core'); + +/* + * ------------------------------------------------------ + * Is there a "pre_system" hook? + * ------------------------------------------------------ + */ + $EXT->_call_hook('pre_system'); + +/* + * ------------------------------------------------------ + * Instantiate the config class + * ------------------------------------------------------ + */ + $CFG =& load_class('Config', 'core'); + + // Do we have any manually set config items in the index.php file? + if (isset($assign_to_config)) + { + $CFG->_assign_to_config($assign_to_config); + } + +/* + * ------------------------------------------------------ + * Instantiate the UTF-8 class + * ------------------------------------------------------ + * + * Note: Order here is rather important as the UTF-8 + * class needs to be used very early on, but it cannot + * properly determine if UTf-8 can be supported until + * after the Config class is instantiated. + * + */ + + $UNI =& load_class('Utf8', 'core'); + +/* + * ------------------------------------------------------ + * Instantiate the URI class + * ------------------------------------------------------ + */ + $URI =& load_class('URI', 'core'); + +/* + * ------------------------------------------------------ + * Instantiate the routing class and set the routing + * ------------------------------------------------------ + */ + $RTR =& load_class('Router', 'core'); + $RTR->_set_routing(); + + // Set any routing overrides that may exist in the main index file + if (isset($routing)) + { + $RTR->_set_overrides($routing); + } + +/* + * ------------------------------------------------------ + * Instantiate the output class + * ------------------------------------------------------ + */ + $OUT =& load_class('Output', 'core'); + +/* + * ------------------------------------------------------ + * Is there a valid cache file? If so, we're done... + * ------------------------------------------------------ + */ + if ($EXT->_call_hook('cache_override') === FALSE) + { + if ($OUT->_display_cache($CFG, $URI) == TRUE) + { + exit; + } + } + +/* + * ----------------------------------------------------- + * Load the security class for xss and csrf support + * ----------------------------------------------------- + */ + $SEC =& load_class('Security', 'core'); + +/* + * ------------------------------------------------------ + * Load the Input class and sanitize globals + * ------------------------------------------------------ + */ + $IN =& load_class('Input', 'core'); + +/* + * ------------------------------------------------------ + * Load the Language class + * ------------------------------------------------------ + */ + $LANG =& load_class('Lang', 'core'); + +/* + * ------------------------------------------------------ + * Load the app controller and local controller + * ------------------------------------------------------ + * + */ + // Load the base controller class + require BASEPATH.'core/Controller.php'; + + function &get_instance() + { + return CI_Controller::get_instance(); + } + + + if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php')) + { + require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'; + } + + // Load the local application controller + // Note: The Router class automatically validates the controller path using the router->_validate_request(). + // If this include fails it means that the default controller in the Routes.php file is not resolving to something valid. + if ( ! file_exists(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php')) + { + show_error('Unable to load your default controller. Please make sure the controller specified in your Routes.php file is valid.'); + } + + include(APPPATH.'controllers/'.$RTR->fetch_directory().$RTR->fetch_class().'.php'); + + // Set a mark point for benchmarking + $BM->mark('loading_time:_base_classes_end'); + +/* + * ------------------------------------------------------ + * Security check + * ------------------------------------------------------ + * + * None of the functions in the app controller or the + * loader class can be called via the URI, nor can + * controller functions that begin with an underscore + */ + $class = $RTR->fetch_class(); + $method = $RTR->fetch_method(); + + if ( ! class_exists($class) + OR strncmp($method, '_', 1) == 0 + OR in_array(strtolower($method), array_map('strtolower', get_class_methods('CI_Controller'))) + ) + { + if ( ! empty($RTR->routes['404_override'])) + { + $x = explode('/', $RTR->routes['404_override']); + $class = $x[0]; + $method = (isset($x[1]) ? $x[1] : 'index'); + if ( ! class_exists($class)) + { + if ( ! file_exists(APPPATH.'controllers/'.$class.'.php')) + { + show_404("{$class}/{$method}"); + } + + include_once(APPPATH.'controllers/'.$class.'.php'); + } + } + else + { + show_404("{$class}/{$method}"); + } + } + +/* + * ------------------------------------------------------ + * Is there a "pre_controller" hook? + * ------------------------------------------------------ + */ + $EXT->_call_hook('pre_controller'); + +/* + * ------------------------------------------------------ + * Instantiate the requested controller + * ------------------------------------------------------ + */ + // Mark a start point so we can benchmark the controller + $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start'); + + $CI = new $class(); + +/* + * ------------------------------------------------------ + * Is there a "post_controller_constructor" hook? + * ------------------------------------------------------ + */ + $EXT->_call_hook('post_controller_constructor'); + +/* + * ------------------------------------------------------ + * Call the requested method + * ------------------------------------------------------ + */ + // Is there a "remap" function? If so, we call it instead + if (method_exists($CI, '_remap')) + { + $CI->_remap($method, array_slice($URI->rsegments, 2)); + } + else + { + // is_callable() returns TRUE on some versions of PHP 5 for private and protected + // methods, so we'll use this workaround for consistent behavior + if ( ! in_array(strtolower($method), array_map('strtolower', get_class_methods($CI)))) + { + // Check and see if we are using a 404 override and use it. + if ( ! empty($RTR->routes['404_override'])) + { + $x = explode('/', $RTR->routes['404_override']); + $class = $x[0]; + $method = (isset($x[1]) ? $x[1] : 'index'); + if ( ! class_exists($class)) + { + if ( ! file_exists(APPPATH.'controllers/'.$class.'.php')) + { + show_404("{$class}/{$method}"); + } + + include_once(APPPATH.'controllers/'.$class.'.php'); + unset($CI); + $CI = new $class(); + } + } + else + { + show_404("{$class}/{$method}"); + } + } + + // Call the requested method. + // Any URI segments present (besides the class/function) will be passed to the method for convenience + call_user_func_array(array(&$CI, $method), array_slice($URI->rsegments, 2)); + } + + + // Mark a benchmark end point + $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end'); + +/* + * ------------------------------------------------------ + * Is there a "post_controller" hook? + * ------------------------------------------------------ + */ + $EXT->_call_hook('post_controller'); + +/* + * ------------------------------------------------------ + * Send the final rendered output to the browser + * ------------------------------------------------------ + */ + if ($EXT->_call_hook('display_override') === FALSE) + { + $OUT->_display(); + } + +/* + * ------------------------------------------------------ + * Is there a "post_system" hook? + * ------------------------------------------------------ + */ + $EXT->_call_hook('post_system'); + +/* + * ------------------------------------------------------ + * Close the DB connection if one exists + * ------------------------------------------------------ + */ + if (class_exists('CI_DB') AND isset($CI->db)) + { + $CI->db->close(); + } + + +/* End of file CodeIgniter.php */ +/* Location: ./system/core/CodeIgniter.php */ \ No newline at end of file diff --git a/system/core/Common.php b/system/core/Common.php new file mode 100644 index 0000000..07534c5 --- /dev/null +++ b/system/core/Common.php @@ -0,0 +1,564 @@ + 5 +* we'll set a static variable. +* +* @access public +* @param string +* @return bool TRUE if the current version is $version or higher +*/ +if ( ! function_exists('is_php')) +{ + function is_php($version = '5.0.0') + { + static $_is_php; + $version = (string)$version; + + if ( ! isset($_is_php[$version])) + { + $_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE; + } + + return $_is_php[$version]; + } +} + +// ------------------------------------------------------------------------ + +/** + * Tests for file writability + * + * is_writable() returns TRUE on Windows servers when you really can't write to + * the file, based on the read-only attribute. is_writable() is also unreliable + * on Unix servers if safe_mode is on. + * + * @access private + * @return void + */ +if ( ! function_exists('is_really_writable')) +{ + function is_really_writable($file) + { + // If we're on a Unix server with safe_mode off we call is_writable + if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE) + { + return is_writable($file); + } + + // For windows servers and safe_mode "on" installations we'll actually + // write a file then read it. Bah... + if (is_dir($file)) + { + $file = rtrim($file, '/').'/'.md5(mt_rand(1,100).mt_rand(1,100)); + + if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) + { + return FALSE; + } + + fclose($fp); + @chmod($file, DIR_WRITE_MODE); + @unlink($file); + return TRUE; + } + elseif ( ! is_file($file) OR ($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) + { + return FALSE; + } + + fclose($fp); + return TRUE; + } +} + +// ------------------------------------------------------------------------ + +/** +* Class registry +* +* This function acts as a singleton. If the requested class does not +* exist it is instantiated and set to a static variable. If it has +* previously been instantiated the variable is returned. +* +* @access public +* @param string the class name being requested +* @param string the directory where the class should be found +* @param string the class name prefix +* @return object +*/ +if ( ! function_exists('load_class')) +{ + function &load_class($class, $directory = 'libraries', $prefix = 'CI_') + { + static $_classes = array(); + + // Does the class exist? If so, we're done... + if (isset($_classes[$class])) + { + return $_classes[$class]; + } + + $name = FALSE; + + // Look for the class first in the local application/libraries folder + // then in the native system/libraries folder + foreach (array(APPPATH, BASEPATH) as $path) + { + if (file_exists($path.$directory.'/'.$class.'.php')) + { + $name = $prefix.$class; + + if (class_exists($name) === FALSE) + { + require($path.$directory.'/'.$class.'.php'); + } + + break; + } + } + + // Is the request a class extension? If so we load it too + if (file_exists(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php')) + { + $name = config_item('subclass_prefix').$class; + + if (class_exists($name) === FALSE) + { + require(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php'); + } + } + + // Did we find the class? + if ($name === FALSE) + { + // Note: We use exit() rather then show_error() in order to avoid a + // self-referencing loop with the Excptions class + exit('Unable to locate the specified class: '.$class.'.php'); + } + + // Keep track of what we just loaded + is_loaded($class); + + $_classes[$class] = new $name(); + return $_classes[$class]; + } +} + +// -------------------------------------------------------------------- + +/** +* Keeps track of which libraries have been loaded. This function is +* called by the load_class() function above +* +* @access public +* @return array +*/ +if ( ! function_exists('is_loaded')) +{ + function &is_loaded($class = '') + { + static $_is_loaded = array(); + + if ($class != '') + { + $_is_loaded[strtolower($class)] = $class; + } + + return $_is_loaded; + } +} + +// ------------------------------------------------------------------------ + +/** +* Loads the main config.php file +* +* This function lets us grab the config file even if the Config class +* hasn't been instantiated yet +* +* @access private +* @return array +*/ +if ( ! function_exists('get_config')) +{ + function &get_config($replace = array()) + { + static $_config; + + if (isset($_config)) + { + return $_config[0]; + } + + // Is the config file in the environment folder? + if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/config.php')) + { + $file_path = APPPATH.'config/config.php'; + } + + // Fetch the config file + if ( ! file_exists($file_path)) + { + exit('The configuration file does not exist.'); + } + + require($file_path); + + // Does the $config array exist in the file? + if ( ! isset($config) OR ! is_array($config)) + { + exit('Your config file does not appear to be formatted correctly.'); + } + + // Are any values being dynamically replaced? + if (count($replace) > 0) + { + foreach ($replace as $key => $val) + { + if (isset($config[$key])) + { + $config[$key] = $val; + } + } + } + + return $_config[0] =& $config; + } +} + +// ------------------------------------------------------------------------ + +/** +* Returns the specified config item +* +* @access public +* @return mixed +*/ +if ( ! function_exists('config_item')) +{ + function config_item($item) + { + static $_config_item = array(); + + if ( ! isset($_config_item[$item])) + { + $config =& get_config(); + + if ( ! isset($config[$item])) + { + return FALSE; + } + $_config_item[$item] = $config[$item]; + } + + return $_config_item[$item]; + } +} + +// ------------------------------------------------------------------------ + +/** +* Error Handler +* +* This function lets us invoke the exception class and +* display errors using the standard error template located +* in application/errors/errors.php +* This function will send the error page directly to the +* browser and exit. +* +* @access public +* @return void +*/ +if ( ! function_exists('show_error')) +{ + function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered') + { + $_error =& load_class('Exceptions', 'core'); + echo $_error->show_error($heading, $message, 'error_general', $status_code); + exit; + } +} + +// ------------------------------------------------------------------------ + +/** +* 404 Page Handler +* +* This function is similar to the show_error() function above +* However, instead of the standard error template it displays +* 404 errors. +* +* @access public +* @return void +*/ +if ( ! function_exists('show_404')) +{ + function show_404($page = '', $log_error = TRUE) + { + $_error =& load_class('Exceptions', 'core'); + $_error->show_404($page, $log_error); + exit; + } +} + +// ------------------------------------------------------------------------ + +/** +* Error Logging Interface +* +* We use this as a simple mechanism to access the logging +* class and send messages to be logged. +* +* @access public +* @return void +*/ +if ( ! function_exists('log_message')) +{ + function log_message($level = 'error', $message, $php_error = FALSE) + { + static $_log; + + if (config_item('log_threshold') == 0) + { + return; + } + + $_log =& load_class('Log'); + $_log->write_log($level, $message, $php_error); + } +} + +// ------------------------------------------------------------------------ + +/** + * Set HTTP Status Header + * + * @access public + * @param int the status code + * @param string + * @return void + */ +if ( ! function_exists('set_status_header')) +{ + function set_status_header($code = 200, $text = '') + { + $stati = array( + 200 => 'OK', + 201 => 'Created', + 202 => 'Accepted', + 203 => 'Non-Authoritative Information', + 204 => 'No Content', + 205 => 'Reset Content', + 206 => 'Partial Content', + + 300 => 'Multiple Choices', + 301 => 'Moved Permanently', + 302 => 'Found', + 304 => 'Not Modified', + 305 => 'Use Proxy', + 307 => 'Temporary Redirect', + + 400 => 'Bad Request', + 401 => 'Unauthorized', + 403 => 'Forbidden', + 404 => 'Not Found', + 405 => 'Method Not Allowed', + 406 => 'Not Acceptable', + 407 => 'Proxy Authentication Required', + 408 => 'Request Timeout', + 409 => 'Conflict', + 410 => 'Gone', + 411 => 'Length Required', + 412 => 'Precondition Failed', + 413 => 'Request Entity Too Large', + 414 => 'Request-URI Too Long', + 415 => 'Unsupported Media Type', + 416 => 'Requested Range Not Satisfiable', + 417 => 'Expectation Failed', + + 500 => 'Internal Server Error', + 501 => 'Not Implemented', + 502 => 'Bad Gateway', + 503 => 'Service Unavailable', + 504 => 'Gateway Timeout', + 505 => 'HTTP Version Not Supported' + ); + + if ($code == '' OR ! is_numeric($code)) + { + show_error('Status codes must be numeric', 500); + } + + if (isset($stati[$code]) AND $text == '') + { + $text = $stati[$code]; + } + + if ($text == '') + { + show_error('No status text available. Please check your status code number or supply your own message text.', 500); + } + + $server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE; + + if (substr(php_sapi_name(), 0, 3) == 'cgi') + { + header("Status: {$code} {$text}", TRUE); + } + elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0') + { + header($server_protocol." {$code} {$text}", TRUE, $code); + } + else + { + header("HTTP/1.1 {$code} {$text}", TRUE, $code); + } + } +} + +// -------------------------------------------------------------------- + +/** +* Exception Handler +* +* This is the custom exception handler that is declaired at the top +* of Codeigniter.php. The main reason we use this is to permit +* PHP errors to be logged in our own log files since the user may +* not have access to server logs. Since this function +* effectively intercepts PHP errors, however, we also need +* to display errors based on the current error_reporting level. +* We do that with the use of a PHP error template. +* +* @access private +* @return void +*/ +if ( ! function_exists('_exception_handler')) +{ + function _exception_handler($severity, $message, $filepath, $line) + { + // We don't bother with "strict" notices since they tend to fill up + // the log file with excess information that isn't normally very helpful. + // For example, if you are running PHP 5 and you use version 4 style + // class functions (without prefixes like "public", "private", etc.) + // you'll get notices telling you that these have been deprecated. + if ($severity == E_STRICT) + { + return; + } + + $_error =& load_class('Exceptions', 'core'); + + // Should we display the error? We'll get the current error_reporting + // level and add its bits with the severity bits to find out. + if (($severity & error_reporting()) == $severity) + { + $_error->show_php_error($severity, $message, $filepath, $line); + } + + // Should we log the error? No? We're done... + if (config_item('log_threshold') == 0) + { + return; + } + + $_error->log_exception($severity, $message, $filepath, $line); + } +} + +// -------------------------------------------------------------------- + +/** + * Remove Invisible Characters + * + * This prevents sandwiching null characters + * between ascii characters, like Java\0script. + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('remove_invisible_characters')) +{ + function remove_invisible_characters($str, $url_encoded = TRUE) + { + $non_displayables = array(); + + // every control character except newline (dec 10) + // carriage return (dec 13), and horizontal tab (dec 09) + + if ($url_encoded) + { + $non_displayables[] = '/%0[0-8bcef]/'; // url encoded 00-08, 11, 12, 14, 15 + $non_displayables[] = '/%1[0-9a-f]/'; // url encoded 16-31 + } + + $non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; // 00-08, 11, 12, 14-31, 127 + + do + { + $str = preg_replace($non_displayables, '', $str, -1, $count); + } + while ($count); + + return $str; + } +} + +// ------------------------------------------------------------------------ + +/** +* Returns HTML escaped variable +* +* @access public +* @param mixed +* @return mixed +*/ +if ( ! function_exists('html_escape')) +{ + function html_escape($var) + { + if (is_array($var)) + { + return array_map('html_escape', $var); + } + else + { + return htmlspecialchars($var, ENT_QUOTES, config_item('charset')); + } + } +} + +/* End of file Common.php */ +/* Location: ./system/core/Common.php */ \ No newline at end of file diff --git a/system/core/Config.php b/system/core/Config.php new file mode 100755 index 0000000..5dffbf3 --- /dev/null +++ b/system/core/Config.php @@ -0,0 +1,379 @@ +config =& get_config(); + log_message('debug', "Config Class Initialized"); + + // Set the base_url automatically if none was provided + if ($this->config['base_url'] == '') + { + if (isset($_SERVER['HTTP_HOST'])) + { + $base_url = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off' ? 'https' : 'http'; + $base_url .= '://'. $_SERVER['HTTP_HOST']; + $base_url .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']); + } + + else + { + $base_url = 'http://localhost/'; + } + + $this->set_item('base_url', $base_url); + } + } + + // -------------------------------------------------------------------- + + /** + * Load Config File + * + * @access public + * @param string the config file name + * @param boolean if configuration values should be loaded into their own section + * @param boolean true if errors should just return false, false if an error message should be displayed + * @return boolean if the file was loaded correctly + */ + function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) + { + $file = ($file == '') ? 'config' : str_replace('.php', '', $file); + $found = FALSE; + $loaded = FALSE; + + $check_locations = defined('ENVIRONMENT') + ? array(ENVIRONMENT.'/'.$file, $file) + : array($file); + + foreach ($this->_config_paths as $path) + { + foreach ($check_locations as $location) + { + $file_path = $path.'config/'.$location.'.php'; + + if (in_array($file_path, $this->is_loaded, TRUE)) + { + $loaded = TRUE; + continue 2; + } + + if (file_exists($file_path)) + { + $found = TRUE; + break; + } + } + + if ($found === FALSE) + { + continue; + } + + include($file_path); + + if ( ! isset($config) OR ! is_array($config)) + { + if ($fail_gracefully === TRUE) + { + return FALSE; + } + show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.'); + } + + if ($use_sections === TRUE) + { + if (isset($this->config[$file])) + { + $this->config[$file] = array_merge($this->config[$file], $config); + } + else + { + $this->config[$file] = $config; + } + } + else + { + $this->config = array_merge($this->config, $config); + } + + $this->is_loaded[] = $file_path; + unset($config); + + $loaded = TRUE; + log_message('debug', 'Config file loaded: '.$file_path); + break; + } + + if ($loaded === FALSE) + { + if ($fail_gracefully === TRUE) + { + return FALSE; + } + show_error('The configuration file '.$file.'.php does not exist.'); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Fetch a config file item + * + * + * @access public + * @param string the config item name + * @param string the index name + * @param bool + * @return string + */ + function item($item, $index = '') + { + if ($index == '') + { + if ( ! isset($this->config[$item])) + { + return FALSE; + } + + $pref = $this->config[$item]; + } + else + { + if ( ! isset($this->config[$index])) + { + return FALSE; + } + + if ( ! isset($this->config[$index][$item])) + { + return FALSE; + } + + $pref = $this->config[$index][$item]; + } + + return $pref; + } + + // -------------------------------------------------------------------- + + /** + * Fetch a config file item - adds slash after item (if item is not empty) + * + * @access public + * @param string the config item name + * @param bool + * @return string + */ + function slash_item($item) + { + if ( ! isset($this->config[$item])) + { + return FALSE; + } + if( trim($this->config[$item]) == '') + { + return ''; + } + + return rtrim($this->config[$item], '/').'/'; + } + + // -------------------------------------------------------------------- + + /** + * Site URL + * Returns base_url . index_page [. uri_string] + * + * @access public + * @param string the URI string + * @return string + */ + function site_url($uri = '') + { + if ($uri == '') + { + return $this->slash_item('base_url').$this->item('index_page'); + } + + if ($this->item('enable_query_strings') == FALSE) + { + $suffix = ($this->item('url_suffix') == FALSE) ? '' : $this->item('url_suffix'); + return $this->slash_item('base_url').$this->slash_item('index_page').$this->_uri_string($uri).$suffix; + } + else + { + return $this->slash_item('base_url').$this->item('index_page').'?'.$this->_uri_string($uri); + } + } + + // ------------------------------------------------------------- + + /** + * Base URL + * Returns base_url [. uri_string] + * + * @access public + * @param string $uri + * @return string + */ + function base_url($uri = '') + { + return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/'); + } + + // ------------------------------------------------------------- + + /** + * Build URI string for use in Config::site_url() and Config::base_url() + * + * @access protected + * @param $uri + * @return string + */ + protected function _uri_string($uri) + { + if ($this->item('enable_query_strings') == FALSE) + { + if (is_array($uri)) + { + $uri = implode('/', $uri); + } + $uri = trim($uri, '/'); + } + else + { + if (is_array($uri)) + { + $i = 0; + $str = ''; + foreach ($uri as $key => $val) + { + $prefix = ($i == 0) ? '' : '&'; + $str .= $prefix.$key.'='.$val; + $i++; + } + $uri = $str; + } + } + return $uri; + } + + // -------------------------------------------------------------------- + + /** + * System URL + * + * @access public + * @return string + */ + function system_url() + { + $x = explode("/", preg_replace("|/*(.+?)/*$|", "\\1", BASEPATH)); + return $this->slash_item('base_url').end($x).'/'; + } + + // -------------------------------------------------------------------- + + /** + * Set a config file item + * + * @access public + * @param string the config item key + * @param string the config item value + * @return void + */ + function set_item($item, $value) + { + $this->config[$item] = $value; + } + + // -------------------------------------------------------------------- + + /** + * Assign to Config + * + * This function is called by the front controller (CodeIgniter.php) + * after the Config class is instantiated. It permits config items + * to be assigned or overriden by variables contained in the index.php file + * + * @access private + * @param array + * @return void + */ + function _assign_to_config($items = array()) + { + if (is_array($items)) + { + foreach ($items as $key => $val) + { + $this->set_item($key, $val); + } + } + } +} + +// END CI_Config class + +/* End of file Config.php */ +/* Location: ./system/core/Config.php */ diff --git a/system/core/Controller.php b/system/core/Controller.php new file mode 100644 index 0000000..fddb81e --- /dev/null +++ b/system/core/Controller.php @@ -0,0 +1,64 @@ + $class) + { + $this->$var =& load_class($class); + } + + $this->load =& load_class('Loader', 'core'); + + $this->load->initialize(); + + log_message('debug', "Controller Class Initialized"); + } + + public static function &get_instance() + { + return self::$instance; + } +} +// END Controller class + +/* End of file Controller.php */ +/* Location: ./system/core/Controller.php */ \ No newline at end of file diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php new file mode 100755 index 0000000..869739a --- /dev/null +++ b/system/core/Exceptions.php @@ -0,0 +1,193 @@ + 'Error', + E_WARNING => 'Warning', + E_PARSE => 'Parsing Error', + E_NOTICE => 'Notice', + E_CORE_ERROR => 'Core Error', + E_CORE_WARNING => 'Core Warning', + E_COMPILE_ERROR => 'Compile Error', + E_COMPILE_WARNING => 'Compile Warning', + E_USER_ERROR => 'User Error', + E_USER_WARNING => 'User Warning', + E_USER_NOTICE => 'User Notice', + E_STRICT => 'Runtime Notice' + ); + + + /** + * Constructor + */ + public function __construct() + { + $this->ob_level = ob_get_level(); + // Note: Do not log messages from this constructor. + } + + // -------------------------------------------------------------------- + + /** + * Exception Logger + * + * This function logs PHP generated error messages + * + * @access private + * @param string the error severity + * @param string the error string + * @param string the error filepath + * @param string the error line number + * @return string + */ + function log_exception($severity, $message, $filepath, $line) + { + $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity]; + + log_message('error', 'Severity: '.$severity.' --> '.$message. ' '.$filepath.' '.$line, TRUE); + } + + // -------------------------------------------------------------------- + + /** + * 404 Page Not Found Handler + * + * @access private + * @param string the page + * @param bool log error yes/no + * @return string + */ + function show_404($page = '', $log_error = TRUE) + { + $heading = "404 Page Not Found"; + $message = "The page you requested was not found."; + + // By default we log this, but allow a dev to skip it + if ($log_error) + { + log_message('error', '404 Page Not Found --> '.$page); + } + + echo $this->show_error($heading, $message, 'error_404', 404); + exit; + } + + // -------------------------------------------------------------------- + + /** + * General Error Page + * + * This function takes an error message as input + * (either as a string or an array) and displays + * it using the specified template. + * + * @access private + * @param string the heading + * @param string the message + * @param string the template name + * @param int the status code + * @return string + */ + function show_error($heading, $message, $template = 'error_general', $status_code = 500) + { + set_status_header($status_code); + + $message = '

'.implode('

', ( ! is_array($message)) ? array($message) : $message).'

'; + + if (ob_get_level() > $this->ob_level + 1) + { + ob_end_flush(); + } + ob_start(); + include(APPPATH.'errors/'.$template.'.php'); + $buffer = ob_get_contents(); + ob_end_clean(); + return $buffer; + } + + // -------------------------------------------------------------------- + + /** + * Native PHP error handler + * + * @access private + * @param string the error severity + * @param string the error string + * @param string the error filepath + * @param string the error line number + * @return string + */ + function show_php_error($severity, $message, $filepath, $line) + { + $severity = ( ! isset($this->levels[$severity])) ? $severity : $this->levels[$severity]; + + $filepath = str_replace("\\", "/", $filepath); + + // For safety reasons we do not show the full file path + if (FALSE !== strpos($filepath, '/')) + { + $x = explode('/', $filepath); + $filepath = $x[count($x)-2].'/'.end($x); + } + + if (ob_get_level() > $this->ob_level + 1) + { + ob_end_flush(); + } + ob_start(); + include(APPPATH.'errors/error_php.php'); + $buffer = ob_get_contents(); + ob_end_clean(); + echo $buffer; + } + + +} +// END Exceptions Class + +/* End of file Exceptions.php */ +/* Location: ./system/core/Exceptions.php */ \ No newline at end of file diff --git a/system/core/Hooks.php b/system/core/Hooks.php new file mode 100755 index 0000000..33f1c03 --- /dev/null +++ b/system/core/Hooks.php @@ -0,0 +1,248 @@ +_initialize(); + log_message('debug', "Hooks Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Initialize the Hooks Preferences + * + * @access private + * @return void + */ + function _initialize() + { + $CFG =& load_class('Config', 'core'); + + // If hooks are not enabled in the config file + // there is nothing else to do + + if ($CFG->item('enable_hooks') == FALSE) + { + return; + } + + // Grab the "hooks" definition file. + // If there are no hooks, we're done. + + if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/hooks.php')) + { + include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'); + } + elseif (is_file(APPPATH.'config/hooks.php')) + { + include(APPPATH.'config/hooks.php'); + } + + + if ( ! isset($hook) OR ! is_array($hook)) + { + return; + } + + $this->hooks =& $hook; + $this->enabled = TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Call Hook + * + * Calls a particular hook + * + * @access private + * @param string the hook name + * @return mixed + */ + function _call_hook($which = '') + { + if ( ! $this->enabled OR ! isset($this->hooks[$which])) + { + return FALSE; + } + + if (isset($this->hooks[$which][0]) AND is_array($this->hooks[$which][0])) + { + foreach ($this->hooks[$which] as $val) + { + $this->_run_hook($val); + } + } + else + { + $this->_run_hook($this->hooks[$which]); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Run Hook + * + * Runs a particular hook + * + * @access private + * @param array the hook details + * @return bool + */ + function _run_hook($data) + { + if ( ! is_array($data)) + { + return FALSE; + } + + // ----------------------------------- + // Safety - Prevents run-away loops + // ----------------------------------- + + // If the script being called happens to have the same + // hook call within it a loop can happen + + if ($this->in_progress == TRUE) + { + return; + } + + // ----------------------------------- + // Set file path + // ----------------------------------- + + if ( ! isset($data['filepath']) OR ! isset($data['filename'])) + { + return FALSE; + } + + $filepath = APPPATH.$data['filepath'].'/'.$data['filename']; + + if ( ! file_exists($filepath)) + { + return FALSE; + } + + // ----------------------------------- + // Set class/function name + // ----------------------------------- + + $class = FALSE; + $function = FALSE; + $params = ''; + + if (isset($data['class']) AND $data['class'] != '') + { + $class = $data['class']; + } + + if (isset($data['function'])) + { + $function = $data['function']; + } + + if (isset($data['params'])) + { + $params = $data['params']; + } + + if ($class === FALSE AND $function === FALSE) + { + return FALSE; + } + + // ----------------------------------- + // Set the in_progress flag + // ----------------------------------- + + $this->in_progress = TRUE; + + // ----------------------------------- + // Call the requested class and/or function + // ----------------------------------- + + if ($class !== FALSE) + { + if ( ! class_exists($class)) + { + require($filepath); + } + + $HOOK = new $class; + $HOOK->$function($params); + } + else + { + if ( ! function_exists($function)) + { + require($filepath); + } + + $function($params); + } + + $this->in_progress = FALSE; + return TRUE; + } + +} + +// END CI_Hooks class + +/* End of file Hooks.php */ +/* Location: ./system/core/Hooks.php */ \ No newline at end of file diff --git a/system/core/Input.php b/system/core/Input.php new file mode 100755 index 0000000..0c1f2b0 --- /dev/null +++ b/system/core/Input.php @@ -0,0 +1,849 @@ +_allow_get_array = (config_item('allow_get_array') === TRUE); + $this->_enable_xss = (config_item('global_xss_filtering') === TRUE); + $this->_enable_csrf = (config_item('csrf_protection') === TRUE); + + global $SEC; + $this->security =& $SEC; + + // Do we need the UTF-8 class? + if (UTF8_ENABLED === TRUE) + { + global $UNI; + $this->uni =& $UNI; + } + + // Sanitize global arrays + $this->_sanitize_globals(); + } + + // -------------------------------------------------------------------- + + /** + * Fetch from array + * + * This is a helper function to retrieve values from global arrays + * + * @access private + * @param array + * @param string + * @param bool + * @return string + */ + function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE) + { + if ( ! isset($array[$index])) + { + return FALSE; + } + + if ($xss_clean === TRUE) + { + return $this->security->xss_clean($array[$index]); + } + + return $array[$index]; + } + + // -------------------------------------------------------------------- + + /** + * Fetch an item from the GET array + * + * @access public + * @param string + * @param bool + * @return string + */ + function get($index = NULL, $xss_clean = FALSE) + { + // Check if a field has been provided + if ($index === NULL AND ! empty($_GET)) + { + $get = array(); + + // loop through the full _GET array + foreach (array_keys($_GET) as $key) + { + $get[$key] = $this->_fetch_from_array($_GET, $key, $xss_clean); + } + return $get; + } + + return $this->_fetch_from_array($_GET, $index, $xss_clean); + } + + // -------------------------------------------------------------------- + + /** + * Fetch an item from the POST array + * + * @access public + * @param string + * @param bool + * @return string + */ + function post($index = NULL, $xss_clean = FALSE) + { + // Check if a field has been provided + if ($index === NULL AND ! empty($_POST)) + { + $post = array(); + + // Loop through the full _POST array and return it + foreach (array_keys($_POST) as $key) + { + $post[$key] = $this->_fetch_from_array($_POST, $key, $xss_clean); + } + return $post; + } + + return $this->_fetch_from_array($_POST, $index, $xss_clean); + } + + + // -------------------------------------------------------------------- + + /** + * Fetch an item from either the GET array or the POST + * + * @access public + * @param string The index key + * @param bool XSS cleaning + * @return string + */ + function get_post($index = '', $xss_clean = FALSE) + { + if ( ! isset($_POST[$index]) ) + { + return $this->get($index, $xss_clean); + } + else + { + return $this->post($index, $xss_clean); + } + } + + // -------------------------------------------------------------------- + + /** + * Fetch an item from the COOKIE array + * + * @access public + * @param string + * @param bool + * @return string + */ + function cookie($index = '', $xss_clean = FALSE) + { + return $this->_fetch_from_array($_COOKIE, $index, $xss_clean); + } + + // ------------------------------------------------------------------------ + + /** + * Set cookie + * + * Accepts six parameter, or you can submit an associative + * array in the first parameter containing all the values. + * + * @access public + * @param mixed + * @param string the value of the cookie + * @param string the number of seconds until expiration + * @param string the cookie domain. Usually: .yourdomain.com + * @param string the cookie path + * @param string the cookie prefix + * @param bool true makes the cookie secure + * @return void + */ + function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE) + { + if (is_array($name)) + { + // always leave 'name' in last place, as the loop will break otherwise, due to $$item + foreach (array('value', 'expire', 'domain', 'path', 'prefix', 'secure', 'name') as $item) + { + if (isset($name[$item])) + { + $$item = $name[$item]; + } + } + } + + if ($prefix == '' AND config_item('cookie_prefix') != '') + { + $prefix = config_item('cookie_prefix'); + } + if ($domain == '' AND config_item('cookie_domain') != '') + { + $domain = config_item('cookie_domain'); + } + if ($path == '/' AND config_item('cookie_path') != '/') + { + $path = config_item('cookie_path'); + } + if ($secure == FALSE AND config_item('cookie_secure') != FALSE) + { + $secure = config_item('cookie_secure'); + } + + if ( ! is_numeric($expire)) + { + $expire = time() - 86500; + } + else + { + $expire = ($expire > 0) ? time() + $expire : 0; + } + + setcookie($prefix.$name, $value, $expire, $path, $domain, $secure); + } + + // -------------------------------------------------------------------- + + /** + * Fetch an item from the SERVER array + * + * @access public + * @param string + * @param bool + * @return string + */ + function server($index = '', $xss_clean = FALSE) + { + return $this->_fetch_from_array($_SERVER, $index, $xss_clean); + } + + // -------------------------------------------------------------------- + + /** + * Fetch the IP Address + * + * @return string + */ + public function ip_address() + { + if ($this->ip_address !== FALSE) + { + return $this->ip_address; + } + + $proxy_ips = config_item('proxy_ips'); + if ( ! empty($proxy_ips)) + { + $proxy_ips = explode(',', str_replace(' ', '', $proxy_ips)); + foreach (array('HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'HTTP_X_CLIENT_IP', 'HTTP_X_CLUSTER_CLIENT_IP') as $header) + { + if (($spoof = $this->server($header)) !== FALSE) + { + // Some proxies typically list the whole chain of IP + // addresses through which the client has reached us. + // e.g. client_ip, proxy_ip1, proxy_ip2, etc. + if (strpos($spoof, ',') !== FALSE) + { + $spoof = explode(',', $spoof, 2); + $spoof = $spoof[0]; + } + + if ( ! $this->valid_ip($spoof)) + { + $spoof = FALSE; + } + else + { + break; + } + } + } + + $this->ip_address = ($spoof !== FALSE && in_array($_SERVER['REMOTE_ADDR'], $proxy_ips, TRUE)) + ? $spoof : $_SERVER['REMOTE_ADDR']; + } + else + { + $this->ip_address = $_SERVER['REMOTE_ADDR']; + } + + if ( ! $this->valid_ip($this->ip_address)) + { + $this->ip_address = '0.0.0.0'; + } + + return $this->ip_address; + } + + // -------------------------------------------------------------------- + + /** + * Validate IP Address + * + * @access public + * @param string + * @param string ipv4 or ipv6 + * @return bool + */ + public function valid_ip($ip, $which = '') + { + $which = strtolower($which); + + // First check if filter_var is available + if (is_callable('filter_var')) + { + switch ($which) { + case 'ipv4': + $flag = FILTER_FLAG_IPV4; + break; + case 'ipv6': + $flag = FILTER_FLAG_IPV6; + break; + default: + $flag = ''; + break; + } + + return (bool) filter_var($ip, FILTER_VALIDATE_IP, $flag); + } + + if ($which !== 'ipv6' && $which !== 'ipv4') + { + if (strpos($ip, ':') !== FALSE) + { + $which = 'ipv6'; + } + elseif (strpos($ip, '.') !== FALSE) + { + $which = 'ipv4'; + } + else + { + return FALSE; + } + } + + $func = '_valid_'.$which; + return $this->$func($ip); + } + + // -------------------------------------------------------------------- + + /** + * Validate IPv4 Address + * + * Updated version suggested by Geert De Deckere + * + * @access protected + * @param string + * @return bool + */ + protected function _valid_ipv4($ip) + { + $ip_segments = explode('.', $ip); + + // Always 4 segments needed + if (count($ip_segments) !== 4) + { + return FALSE; + } + // IP can not start with 0 + if ($ip_segments[0][0] == '0') + { + return FALSE; + } + + // Check each segment + foreach ($ip_segments as $segment) + { + // IP segments must be digits and can not be + // longer than 3 digits or greater then 255 + if ($segment == '' OR preg_match("/[^0-9]/", $segment) OR $segment > 255 OR strlen($segment) > 3) + { + return FALSE; + } + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Validate IPv6 Address + * + * @access protected + * @param string + * @return bool + */ + protected function _valid_ipv6($str) + { + // 8 groups, separated by : + // 0-ffff per group + // one set of consecutive 0 groups can be collapsed to :: + + $groups = 8; + $collapsed = FALSE; + + $chunks = array_filter( + preg_split('/(:{1,2})/', $str, NULL, PREG_SPLIT_DELIM_CAPTURE) + ); + + // Rule out easy nonsense + if (current($chunks) == ':' OR end($chunks) == ':') + { + return FALSE; + } + + // PHP supports IPv4-mapped IPv6 addresses, so we'll expect those as well + if (strpos(end($chunks), '.') !== FALSE) + { + $ipv4 = array_pop($chunks); + + if ( ! $this->_valid_ipv4($ipv4)) + { + return FALSE; + } + + $groups--; + } + + while ($seg = array_pop($chunks)) + { + if ($seg[0] == ':') + { + if (--$groups == 0) + { + return FALSE; // too many groups + } + + if (strlen($seg) > 2) + { + return FALSE; // long separator + } + + if ($seg == '::') + { + if ($collapsed) + { + return FALSE; // multiple collapsed + } + + $collapsed = TRUE; + } + } + elseif (preg_match("/[^0-9a-f]/i", $seg) OR strlen($seg) > 4) + { + return FALSE; // invalid segment + } + } + + return $collapsed OR $groups == 1; + } + + // -------------------------------------------------------------------- + + /** + * User Agent + * + * @access public + * @return string + */ + function user_agent() + { + if ($this->user_agent !== FALSE) + { + return $this->user_agent; + } + + $this->user_agent = ( ! isset($_SERVER['HTTP_USER_AGENT'])) ? FALSE : $_SERVER['HTTP_USER_AGENT']; + + return $this->user_agent; + } + + // -------------------------------------------------------------------- + + /** + * Sanitize Globals + * + * This function does the following: + * + * Unsets $_GET data (if query strings are not enabled) + * + * Unsets all globals if register_globals is enabled + * + * Standardizes newline characters to \n + * + * @access private + * @return void + */ + function _sanitize_globals() + { + // It would be "wrong" to unset any of these GLOBALS. + $protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', + '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA', + 'system_folder', 'application_folder', 'BM', 'EXT', + 'CFG', 'URI', 'RTR', 'OUT', 'IN'); + + // Unset globals for securiy. + // This is effectively the same as register_globals = off + foreach (array($_GET, $_POST, $_COOKIE) as $global) + { + if ( ! is_array($global)) + { + if ( ! in_array($global, $protected)) + { + global $$global; + $$global = NULL; + } + } + else + { + foreach ($global as $key => $val) + { + if ( ! in_array($key, $protected)) + { + global $$key; + $$key = NULL; + } + } + } + } + + // Is $_GET data allowed? If not we'll set the $_GET to an empty array + if ($this->_allow_get_array == FALSE) + { + $_GET = array(); + } + else + { + if (is_array($_GET) AND count($_GET) > 0) + { + foreach ($_GET as $key => $val) + { + $_GET[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); + } + } + } + + // Clean $_POST Data + if (is_array($_POST) AND count($_POST) > 0) + { + foreach ($_POST as $key => $val) + { + $_POST[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); + } + } + + // Clean $_COOKIE Data + if (is_array($_COOKIE) AND count($_COOKIE) > 0) + { + // Also get rid of specially treated cookies that might be set by a server + // or silly application, that are of no use to a CI application anyway + // but that when present will trip our 'Disallowed Key Characters' alarm + // http://www.ietf.org/rfc/rfc2109.txt + // note that the key names below are single quoted strings, and are not PHP variables + unset($_COOKIE['$Version']); + unset($_COOKIE['$Path']); + unset($_COOKIE['$Domain']); + + foreach ($_COOKIE as $key => $val) + { + $_COOKIE[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); + } + } + + // Sanitize PHP_SELF + $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); + + + // CSRF Protection check on HTTP requests + if ($this->_enable_csrf == TRUE && ! $this->is_cli_request()) + { + $this->security->csrf_verify(); + } + + log_message('debug', "Global POST and COOKIE data sanitized"); + } + + // -------------------------------------------------------------------- + + /** + * Clean Input Data + * + * This is a helper function. It escapes data and + * standardizes newline characters to \n + * + * @access private + * @param string + * @return string + */ + function _clean_input_data($str) + { + if (is_array($str)) + { + $new_array = array(); + foreach ($str as $key => $val) + { + $new_array[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); + } + return $new_array; + } + + /* We strip slashes if magic quotes is on to keep things consistent + + NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and + it will probably not exist in future versions at all. + */ + if ( ! is_php('5.4') && get_magic_quotes_gpc()) + { + $str = stripslashes($str); + } + + // Clean UTF-8 if supported + if (UTF8_ENABLED === TRUE) + { + $str = $this->uni->clean_string($str); + } + + // Remove control characters + $str = remove_invisible_characters($str); + + // Should we filter the input data? + if ($this->_enable_xss === TRUE) + { + $str = $this->security->xss_clean($str); + } + + // Standardize newlines if needed + if ($this->_standardize_newlines == TRUE) + { + if (strpos($str, "\r") !== FALSE) + { + $str = str_replace(array("\r\n", "\r", "\r\n\n"), PHP_EOL, $str); + } + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Clean Keys + * + * This is a helper function. To prevent malicious users + * from trying to exploit keys we make sure that keys are + * only named with alpha-numeric text and a few other items. + * + * @access private + * @param string + * @return string + */ + function _clean_input_keys($str) + { + if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str)) + { + exit('Disallowed Key Characters.'); + } + + // Clean UTF-8 if supported + if (UTF8_ENABLED === TRUE) + { + $str = $this->uni->clean_string($str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Request Headers + * + * In Apache, you can simply call apache_request_headers(), however for + * people running other webservers the function is undefined. + * + * @param bool XSS cleaning + * + * @return array + */ + public function request_headers($xss_clean = FALSE) + { + // Look at Apache go! + if (function_exists('apache_request_headers')) + { + $headers = apache_request_headers(); + } + else + { + $headers['Content-Type'] = (isset($_SERVER['CONTENT_TYPE'])) ? $_SERVER['CONTENT_TYPE'] : @getenv('CONTENT_TYPE'); + + foreach ($_SERVER as $key => $val) + { + if (strncmp($key, 'HTTP_', 5) === 0) + { + $headers[substr($key, 5)] = $this->_fetch_from_array($_SERVER, $key, $xss_clean); + } + } + } + + // take SOME_HEADER and turn it into Some-Header + foreach ($headers as $key => $val) + { + $key = str_replace('_', ' ', strtolower($key)); + $key = str_replace(' ', '-', ucwords($key)); + + $this->headers[$key] = $val; + } + + return $this->headers; + } + + // -------------------------------------------------------------------- + + /** + * Get Request Header + * + * Returns the value of a single member of the headers class member + * + * @param string array key for $this->headers + * @param boolean XSS Clean or not + * @return mixed FALSE on failure, string on success + */ + public function get_request_header($index, $xss_clean = FALSE) + { + if (empty($this->headers)) + { + $this->request_headers(); + } + + if ( ! isset($this->headers[$index])) + { + return FALSE; + } + + if ($xss_clean === TRUE) + { + return $this->security->xss_clean($this->headers[$index]); + } + + return $this->headers[$index]; + } + + // -------------------------------------------------------------------- + + /** + * Is ajax Request? + * + * Test to see if a request contains the HTTP_X_REQUESTED_WITH header + * + * @return boolean + */ + public function is_ajax_request() + { + return ($this->server('HTTP_X_REQUESTED_WITH') === 'XMLHttpRequest'); + } + + // -------------------------------------------------------------------- + + /** + * Is cli Request? + * + * Test to see if a request was made from the command line + * + * @return bool + */ + public function is_cli_request() + { + return (php_sapi_name() === 'cli' OR defined('STDIN')); + } + +} + +/* End of file Input.php */ +/* Location: ./system/core/Input.php */ \ No newline at end of file diff --git a/system/core/Lang.php b/system/core/Lang.php new file mode 100755 index 0000000..5ac6718 --- /dev/null +++ b/system/core/Lang.php @@ -0,0 +1,160 @@ +is_loaded, TRUE)) + { + return; + } + + $config =& get_config(); + + if ($idiom == '') + { + $deft_lang = ( ! isset($config['language'])) ? 'english' : $config['language']; + $idiom = ($deft_lang == '') ? 'english' : $deft_lang; + } + + // Determine where the language file is and load it + if ($alt_path != '' && file_exists($alt_path.'language/'.$idiom.'/'.$langfile)) + { + include($alt_path.'language/'.$idiom.'/'.$langfile); + } + else + { + $found = FALSE; + + foreach (get_instance()->load->get_package_paths(TRUE) as $package_path) + { + if (file_exists($package_path.'language/'.$idiom.'/'.$langfile)) + { + include($package_path.'language/'.$idiom.'/'.$langfile); + $found = TRUE; + break; + } + } + + if ($found !== TRUE) + { + show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile); + } + } + + + if ( ! isset($lang)) + { + log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile); + return; + } + + if ($return == TRUE) + { + return $lang; + } + + $this->is_loaded[] = $langfile; + $this->language = array_merge($this->language, $lang); + unset($lang); + + log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Fetch a single line of text from the language array + * + * @access public + * @param string $line the language line + * @return string + */ + function line($line = '') + { + $value = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line]; + + // Because killer robots like unicorns! + if ($value === FALSE) + { + log_message('error', 'Could not find the language line "'.$line.'"'); + } + + return $value; + } + +} +// END Language Class + +/* End of file Lang.php */ +/* Location: ./system/core/Lang.php */ diff --git a/system/core/Loader.php b/system/core/Loader.php new file mode 100644 index 0000000..6b7ee0c --- /dev/null +++ b/system/core/Loader.php @@ -0,0 +1,1248 @@ + 'unit', + 'user_agent' => 'agent'); + + /** + * Constructor + * + * Sets the path to the view files and gets the initial output buffering level + */ + public function __construct() + { + $this->_ci_ob_level = ob_get_level(); + $this->_ci_library_paths = array(APPPATH, BASEPATH); + $this->_ci_helper_paths = array(APPPATH, BASEPATH); + $this->_ci_model_paths = array(APPPATH); + $this->_ci_view_paths = array(APPPATH.'views/' => TRUE); + + log_message('debug', "Loader Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Initialize the Loader + * + * This method is called once in CI_Controller. + * + * @param array + * @return object + */ + public function initialize() + { + $this->_ci_classes = array(); + $this->_ci_loaded_files = array(); + $this->_ci_models = array(); + $this->_base_classes =& is_loaded(); + + $this->_ci_autoloader(); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Is Loaded + * + * A utility function to test if a class is in the self::$_ci_classes array. + * This function returns the object name if the class tested for is loaded, + * and returns FALSE if it isn't. + * + * It is mainly used in the form_helper -> _get_validation_object() + * + * @param string class being checked for + * @return mixed class object name on the CI SuperObject or FALSE + */ + public function is_loaded($class) + { + if (isset($this->_ci_classes[$class])) + { + return $this->_ci_classes[$class]; + } + + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Class Loader + * + * This function lets users load and instantiate classes. + * It is designed to be called from a user's app controllers. + * + * @param string the name of the class + * @param mixed the optional parameters + * @param string an optional object name + * @return void + */ + public function library($library = '', $params = NULL, $object_name = NULL) + { + if (is_array($library)) + { + foreach ($library as $class) + { + $this->library($class, $params); + } + + return; + } + + if ($library == '' OR isset($this->_base_classes[$library])) + { + return FALSE; + } + + if ( ! is_null($params) && ! is_array($params)) + { + $params = NULL; + } + + $this->_ci_load_class($library, $params, $object_name); + } + + // -------------------------------------------------------------------- + + /** + * Model Loader + * + * This function lets users load and instantiate models. + * + * @param string the name of the class + * @param string name for the model + * @param bool database connection + * @return void + */ + public function model($model, $name = '', $db_conn = FALSE) + { + if (is_array($model)) + { + foreach ($model as $babe) + { + $this->model($babe); + } + return; + } + + if ($model == '') + { + return; + } + + $path = ''; + + // Is the model in a sub-folder? If so, parse out the filename and path. + if (($last_slash = strrpos($model, '/')) !== FALSE) + { + // The path is in front of the last slash + $path = substr($model, 0, $last_slash + 1); + + // And the model name behind it + $model = substr($model, $last_slash + 1); + } + + if ($name == '') + { + $name = $model; + } + + if (in_array($name, $this->_ci_models, TRUE)) + { + return; + } + + $CI =& get_instance(); + if (isset($CI->$name)) + { + show_error('The model name you are loading is the name of a resource that is already being used: '.$name); + } + + $model = strtolower($model); + + foreach ($this->_ci_model_paths as $mod_path) + { + if ( ! file_exists($mod_path.'models/'.$path.$model.'.php')) + { + continue; + } + + if ($db_conn !== FALSE AND ! class_exists('CI_DB')) + { + if ($db_conn === TRUE) + { + $db_conn = ''; + } + + $CI->load->database($db_conn, FALSE, TRUE); + } + + if ( ! class_exists('CI_Model')) + { + load_class('Model', 'core'); + } + + require_once($mod_path.'models/'.$path.$model.'.php'); + + $model = ucfirst($model); + + $CI->$name = new $model(); + + $this->_ci_models[] = $name; + return; + } + + // couldn't find the model + show_error('Unable to locate the model you have specified: '.$model); + } + + // -------------------------------------------------------------------- + + /** + * Database Loader + * + * @param string the DB credentials + * @param bool whether to return the DB object + * @param bool whether to enable active record (this allows us to override the config setting) + * @return object + */ + public function database($params = '', $return = FALSE, $active_record = NULL) + { + // Grab the super object + $CI =& get_instance(); + + // Do we even need to load the database class? + if (class_exists('CI_DB') AND $return == FALSE AND $active_record == NULL AND isset($CI->db) AND is_object($CI->db)) + { + return FALSE; + } + + require_once(BASEPATH.'database/DB.php'); + + if ($return === TRUE) + { + return DB($params, $active_record); + } + + // Initialize the db variable. Needed to prevent + // reference errors with some configurations + $CI->db = ''; + + // Load the DB class + $CI->db =& DB($params, $active_record); + } + + // -------------------------------------------------------------------- + + /** + * Load the Utilities Class + * + * @return string + */ + public function dbutil() + { + if ( ! class_exists('CI_DB')) + { + $this->database(); + } + + $CI =& get_instance(); + + // for backwards compatibility, load dbforge so we can extend dbutils off it + // this use is deprecated and strongly discouraged + $CI->load->dbforge(); + + require_once(BASEPATH.'database/DB_utility.php'); + require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility.php'); + $class = 'CI_DB_'.$CI->db->dbdriver.'_utility'; + + $CI->dbutil = new $class(); + } + + // -------------------------------------------------------------------- + + /** + * Load the Database Forge Class + * + * @return string + */ + public function dbforge() + { + if ( ! class_exists('CI_DB')) + { + $this->database(); + } + + $CI =& get_instance(); + + require_once(BASEPATH.'database/DB_forge.php'); + require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_forge.php'); + $class = 'CI_DB_'.$CI->db->dbdriver.'_forge'; + + $CI->dbforge = new $class(); + } + + // -------------------------------------------------------------------- + + /** + * Load View + * + * This function is used to load a "view" file. It has three parameters: + * + * 1. The name of the "view" file to be included. + * 2. An associative array of data to be extracted for use in the view. + * 3. TRUE/FALSE - whether to return the data or load it. In + * some cases it's advantageous to be able to return data so that + * a developer can process it in some way. + * + * @param string + * @param array + * @param bool + * @return void + */ + public function view($view, $vars = array(), $return = FALSE) + { + return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_object_to_array($vars), '_ci_return' => $return)); + } + + // -------------------------------------------------------------------- + + /** + * Load File + * + * This is a generic file loader + * + * @param string + * @param bool + * @return string + */ + public function file($path, $return = FALSE) + { + return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return)); + } + + // -------------------------------------------------------------------- + + /** + * Set Variables + * + * Once variables are set they become available within + * the controller class and its "view" files. + * + * @param array + * @param string + * @return void + */ + public function vars($vars = array(), $val = '') + { + if ($val != '' AND is_string($vars)) + { + $vars = array($vars => $val); + } + + $vars = $this->_ci_object_to_array($vars); + + if (is_array($vars) AND count($vars) > 0) + { + foreach ($vars as $key => $val) + { + $this->_ci_cached_vars[$key] = $val; + } + } + } + + // -------------------------------------------------------------------- + + /** + * Get Variable + * + * Check if a variable is set and retrieve it. + * + * @param array + * @return void + */ + public function get_var($key) + { + return isset($this->_ci_cached_vars[$key]) ? $this->_ci_cached_vars[$key] : NULL; + } + + // -------------------------------------------------------------------- + + /** + * Load Helper + * + * This function loads the specified helper file. + * + * @param mixed + * @return void + */ + public function helper($helpers = array()) + { + foreach ($this->_ci_prep_filename($helpers, '_helper') as $helper) + { + if (isset($this->_ci_helpers[$helper])) + { + continue; + } + + $ext_helper = APPPATH.'helpers/'.config_item('subclass_prefix').$helper.'.php'; + + // Is this a helper extension request? + if (file_exists($ext_helper)) + { + $base_helper = BASEPATH.'helpers/'.$helper.'.php'; + + if ( ! file_exists($base_helper)) + { + show_error('Unable to load the requested file: helpers/'.$helper.'.php'); + } + + include_once($ext_helper); + include_once($base_helper); + + $this->_ci_helpers[$helper] = TRUE; + log_message('debug', 'Helper loaded: '.$helper); + continue; + } + + // Try to load the helper + foreach ($this->_ci_helper_paths as $path) + { + if (file_exists($path.'helpers/'.$helper.'.php')) + { + include_once($path.'helpers/'.$helper.'.php'); + + $this->_ci_helpers[$helper] = TRUE; + log_message('debug', 'Helper loaded: '.$helper); + break; + } + } + + // unable to load the helper + if ( ! isset($this->_ci_helpers[$helper])) + { + show_error('Unable to load the requested file: helpers/'.$helper.'.php'); + } + } + } + + // -------------------------------------------------------------------- + + /** + * Load Helpers + * + * This is simply an alias to the above function in case the + * user has written the plural form of this function. + * + * @param array + * @return void + */ + public function helpers($helpers = array()) + { + $this->helper($helpers); + } + + // -------------------------------------------------------------------- + + /** + * Loads a language file + * + * @param array + * @param string + * @return void + */ + public function language($file = array(), $lang = '') + { + $CI =& get_instance(); + + if ( ! is_array($file)) + { + $file = array($file); + } + + foreach ($file as $langfile) + { + $CI->lang->load($langfile, $lang); + } + } + + // -------------------------------------------------------------------- + + /** + * Loads a config file + * + * @param string + * @param bool + * @param bool + * @return void + */ + public function config($file = '', $use_sections = FALSE, $fail_gracefully = FALSE) + { + $CI =& get_instance(); + $CI->config->load($file, $use_sections, $fail_gracefully); + } + + // -------------------------------------------------------------------- + + /** + * Driver + * + * Loads a driver library + * + * @param string the name of the class + * @param mixed the optional parameters + * @param string an optional object name + * @return void + */ + public function driver($library = '', $params = NULL, $object_name = NULL) + { + if ( ! class_exists('CI_Driver_Library')) + { + // we aren't instantiating an object here, that'll be done by the Library itself + require BASEPATH.'libraries/Driver.php'; + } + + if ($library == '') + { + return FALSE; + } + + // We can save the loader some time since Drivers will *always* be in a subfolder, + // and typically identically named to the library + if ( ! strpos($library, '/')) + { + $library = ucfirst($library).'/'.$library; + } + + return $this->library($library, $params, $object_name); + } + + // -------------------------------------------------------------------- + + /** + * Add Package Path + * + * Prepends a parent path to the library, model, helper, and config path arrays + * + * @param string + * @param boolean + * @return void + */ + public function add_package_path($path, $view_cascade=TRUE) + { + $path = rtrim($path, '/').'/'; + + array_unshift($this->_ci_library_paths, $path); + array_unshift($this->_ci_model_paths, $path); + array_unshift($this->_ci_helper_paths, $path); + + $this->_ci_view_paths = array($path.'views/' => $view_cascade) + $this->_ci_view_paths; + + // Add config file path + $config =& $this->_ci_get_component('config'); + array_unshift($config->_config_paths, $path); + } + + // -------------------------------------------------------------------- + + /** + * Get Package Paths + * + * Return a list of all package paths, by default it will ignore BASEPATH. + * + * @param string + * @return void + */ + public function get_package_paths($include_base = FALSE) + { + return $include_base === TRUE ? $this->_ci_library_paths : $this->_ci_model_paths; + } + + // -------------------------------------------------------------------- + + /** + * Remove Package Path + * + * Remove a path from the library, model, and helper path arrays if it exists + * If no path is provided, the most recently added path is removed. + * + * @param type + * @param bool + * @return type + */ + public function remove_package_path($path = '', $remove_config_path = TRUE) + { + $config =& $this->_ci_get_component('config'); + + if ($path == '') + { + $void = array_shift($this->_ci_library_paths); + $void = array_shift($this->_ci_model_paths); + $void = array_shift($this->_ci_helper_paths); + $void = array_shift($this->_ci_view_paths); + $void = array_shift($config->_config_paths); + } + else + { + $path = rtrim($path, '/').'/'; + foreach (array('_ci_library_paths', '_ci_model_paths', '_ci_helper_paths') as $var) + { + if (($key = array_search($path, $this->{$var})) !== FALSE) + { + unset($this->{$var}[$key]); + } + } + + if (isset($this->_ci_view_paths[$path.'views/'])) + { + unset($this->_ci_view_paths[$path.'views/']); + } + + if (($key = array_search($path, $config->_config_paths)) !== FALSE) + { + unset($config->_config_paths[$key]); + } + } + + // make sure the application default paths are still in the array + $this->_ci_library_paths = array_unique(array_merge($this->_ci_library_paths, array(APPPATH, BASEPATH))); + $this->_ci_helper_paths = array_unique(array_merge($this->_ci_helper_paths, array(APPPATH, BASEPATH))); + $this->_ci_model_paths = array_unique(array_merge($this->_ci_model_paths, array(APPPATH))); + $this->_ci_view_paths = array_merge($this->_ci_view_paths, array(APPPATH.'views/' => TRUE)); + $config->_config_paths = array_unique(array_merge($config->_config_paths, array(APPPATH))); + } + + // -------------------------------------------------------------------- + + /** + * Loader + * + * This function is used to load views and files. + * Variables are prefixed with _ci_ to avoid symbol collision with + * variables made available to view files + * + * @param array + * @return void + */ + protected function _ci_load($_ci_data) + { + // Set the default data variables + foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val) + { + $$_ci_val = ( ! isset($_ci_data[$_ci_val])) ? FALSE : $_ci_data[$_ci_val]; + } + + $file_exists = FALSE; + + // Set the path to the requested file + if ($_ci_path != '') + { + $_ci_x = explode('/', $_ci_path); + $_ci_file = end($_ci_x); + } + else + { + $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION); + $_ci_file = ($_ci_ext == '') ? $_ci_view.'.php' : $_ci_view; + + foreach ($this->_ci_view_paths as $view_file => $cascade) + { + if (file_exists($view_file.$_ci_file)) + { + $_ci_path = $view_file.$_ci_file; + $file_exists = TRUE; + break; + } + + if ( ! $cascade) + { + break; + } + } + } + + if ( ! $file_exists && ! file_exists($_ci_path)) + { + show_error('Unable to load the requested file: '.$_ci_file); + } + + // This allows anything loaded using $this->load (views, files, etc.) + // to become accessible from within the Controller and Model functions. + + $_ci_CI =& get_instance(); + foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var) + { + if ( ! isset($this->$_ci_key)) + { + $this->$_ci_key =& $_ci_CI->$_ci_key; + } + } + + /* + * Extract and cache variables + * + * You can either set variables using the dedicated $this->load_vars() + * function or via the second parameter of this function. We'll merge + * the two types and cache them so that views that are embedded within + * other views can have access to these variables. + */ + if (is_array($_ci_vars)) + { + $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars); + } + extract($this->_ci_cached_vars); + + /* + * Buffer the output + * + * We buffer the output for two reasons: + * 1. Speed. You get a significant speed boost. + * 2. So that the final rendered template can be + * post-processed by the output class. Why do we + * need post processing? For one thing, in order to + * show the elapsed page load time. Unless we + * can intercept the content right before it's sent to + * the browser and then stop the timer it won't be accurate. + */ + ob_start(); + + // If the PHP installation does not support short tags we'll + // do a little string replacement, changing the short tags + // to standard PHP echo statements. + + if ((bool) @ini_get('short_open_tag') === FALSE AND config_item('rewrite_short_tags') == TRUE) + { + echo eval('?>'.preg_replace("/;*\s*\?>/", "; ?>", str_replace(' $this->_ci_ob_level + 1) + { + ob_end_flush(); + } + else + { + $_ci_CI->output->append_output(ob_get_contents()); + @ob_end_clean(); + } + } + + // -------------------------------------------------------------------- + + /** + * Load class + * + * This function loads the requested class. + * + * @param string the item that is being loaded + * @param mixed any additional parameters + * @param string an optional object name + * @return void + */ + protected function _ci_load_class($class, $params = NULL, $object_name = NULL) + { + // Get the class name, and while we're at it trim any slashes. + // The directory path can be included as part of the class name, + // but we don't want a leading slash + $class = str_replace('.php', '', trim($class, '/')); + + // Was the path included with the class name? + // We look for a slash to determine this + $subdir = ''; + if (($last_slash = strrpos($class, '/')) !== FALSE) + { + // Extract the path + $subdir = substr($class, 0, $last_slash + 1); + + // Get the filename from the path + $class = substr($class, $last_slash + 1); + } + + // We'll test for both lowercase and capitalized versions of the file name + foreach (array(ucfirst($class), strtolower($class)) as $class) + { + $subclass = APPPATH.'libraries/'.$subdir.config_item('subclass_prefix').$class.'.php'; + + // Is this a class extension request? + if (file_exists($subclass)) + { + $baseclass = BASEPATH.'libraries/'.ucfirst($class).'.php'; + + if ( ! file_exists($baseclass)) + { + log_message('error', "Unable to load the requested class: ".$class); + show_error("Unable to load the requested class: ".$class); + } + + // Safety: Was the class already loaded by a previous call? + if (in_array($subclass, $this->_ci_loaded_files)) + { + // Before we deem this to be a duplicate request, let's see + // if a custom object name is being supplied. If so, we'll + // return a new instance of the object + if ( ! is_null($object_name)) + { + $CI =& get_instance(); + if ( ! isset($CI->$object_name)) + { + return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name); + } + } + + $is_duplicate = TRUE; + log_message('debug', $class." class already loaded. Second attempt ignored."); + return; + } + + include_once($baseclass); + include_once($subclass); + $this->_ci_loaded_files[] = $subclass; + + return $this->_ci_init_class($class, config_item('subclass_prefix'), $params, $object_name); + } + + // Lets search for the requested library file and load it. + $is_duplicate = FALSE; + foreach ($this->_ci_library_paths as $path) + { + $filepath = $path.'libraries/'.$subdir.$class.'.php'; + + // Does the file exist? No? Bummer... + if ( ! file_exists($filepath)) + { + continue; + } + + // Safety: Was the class already loaded by a previous call? + if (in_array($filepath, $this->_ci_loaded_files)) + { + // Before we deem this to be a duplicate request, let's see + // if a custom object name is being supplied. If so, we'll + // return a new instance of the object + if ( ! is_null($object_name)) + { + $CI =& get_instance(); + if ( ! isset($CI->$object_name)) + { + return $this->_ci_init_class($class, '', $params, $object_name); + } + } + + $is_duplicate = TRUE; + log_message('debug', $class." class already loaded. Second attempt ignored."); + return; + } + + include_once($filepath); + $this->_ci_loaded_files[] = $filepath; + return $this->_ci_init_class($class, '', $params, $object_name); + } + + } // END FOREACH + + // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified? + if ($subdir == '') + { + $path = strtolower($class).'/'.$class; + return $this->_ci_load_class($path, $params); + } + + // If we got this far we were unable to find the requested class. + // We do not issue errors if the load call failed due to a duplicate request + if ($is_duplicate == FALSE) + { + log_message('error', "Unable to load the requested class: ".$class); + show_error("Unable to load the requested class: ".$class); + } + } + + // -------------------------------------------------------------------- + + /** + * Instantiates a class + * + * @param string + * @param string + * @param bool + * @param string an optional object name + * @return null + */ + protected function _ci_init_class($class, $prefix = '', $config = FALSE, $object_name = NULL) + { + // Is there an associated config file for this class? Note: these should always be lowercase + if ($config === NULL) + { + // Fetch the config paths containing any package paths + $config_component = $this->_ci_get_component('config'); + + if (is_array($config_component->_config_paths)) + { + // Break on the first found file, thus package files + // are not overridden by default paths + foreach ($config_component->_config_paths as $path) + { + // We test for both uppercase and lowercase, for servers that + // are case-sensitive with regard to file names. Check for environment + // first, global next + if (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php')) + { + include($path .'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'); + break; + } + elseif (defined('ENVIRONMENT') AND file_exists($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php')) + { + include($path .'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'); + break; + } + elseif (file_exists($path .'config/'.strtolower($class).'.php')) + { + include($path .'config/'.strtolower($class).'.php'); + break; + } + elseif (file_exists($path .'config/'.ucfirst(strtolower($class)).'.php')) + { + include($path .'config/'.ucfirst(strtolower($class)).'.php'); + break; + } + } + } + } + + if ($prefix == '') + { + if (class_exists('CI_'.$class)) + { + $name = 'CI_'.$class; + } + elseif (class_exists(config_item('subclass_prefix').$class)) + { + $name = config_item('subclass_prefix').$class; + } + else + { + $name = $class; + } + } + else + { + $name = $prefix.$class; + } + + // Is the class name valid? + if ( ! class_exists($name)) + { + log_message('error', "Non-existent class: ".$name); + show_error("Non-existent class: ".$class); + } + + // Set the variable name we will assign the class to + // Was a custom class name supplied? If so we'll use it + $class = strtolower($class); + + if (is_null($object_name)) + { + $classvar = ( ! isset($this->_ci_varmap[$class])) ? $class : $this->_ci_varmap[$class]; + } + else + { + $classvar = $object_name; + } + + // Save the class name and object name + $this->_ci_classes[$class] = $classvar; + + // Instantiate the class + $CI =& get_instance(); + if ($config !== NULL) + { + $CI->$classvar = new $name($config); + } + else + { + $CI->$classvar = new $name; + } + } + + // -------------------------------------------------------------------- + + /** + * Autoloader + * + * The config/autoload.php file contains an array that permits sub-systems, + * libraries, and helpers to be loaded automatically. + * + * @param array + * @return void + */ + private function _ci_autoloader() + { + if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php')) + { + include(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'); + } + else + { + include(APPPATH.'config/autoload.php'); + } + + if ( ! isset($autoload)) + { + return FALSE; + } + + // Autoload packages + if (isset($autoload['packages'])) + { + foreach ($autoload['packages'] as $package_path) + { + $this->add_package_path($package_path); + } + } + + // Load any custom config file + if (count($autoload['config']) > 0) + { + $CI =& get_instance(); + foreach ($autoload['config'] as $key => $val) + { + $CI->config->load($val); + } + } + + // Autoload helpers and languages + foreach (array('helper', 'language') as $type) + { + if (isset($autoload[$type]) AND count($autoload[$type]) > 0) + { + $this->$type($autoload[$type]); + } + } + + // A little tweak to remain backward compatible + // The $autoload['core'] item was deprecated + if ( ! isset($autoload['libraries']) AND isset($autoload['core'])) + { + $autoload['libraries'] = $autoload['core']; + } + + // Load libraries + if (isset($autoload['libraries']) AND count($autoload['libraries']) > 0) + { + // Load the database driver. + if (in_array('database', $autoload['libraries'])) + { + $this->database(); + $autoload['libraries'] = array_diff($autoload['libraries'], array('database')); + } + + // Load all other libraries + foreach ($autoload['libraries'] as $item) + { + $this->library($item); + } + } + + // Autoload models + if (isset($autoload['model'])) + { + $this->model($autoload['model']); + } + } + + // -------------------------------------------------------------------- + + /** + * Object to Array + * + * Takes an object as input and converts the class variables to array key/vals + * + * @param object + * @return array + */ + protected function _ci_object_to_array($object) + { + return (is_object($object)) ? get_object_vars($object) : $object; + } + + // -------------------------------------------------------------------- + + /** + * Get a reference to a specific library or model + * + * @param string + * @return bool + */ + protected function &_ci_get_component($component) + { + $CI =& get_instance(); + return $CI->$component; + } + + // -------------------------------------------------------------------- + + /** + * Prep filename + * + * This function preps the name of various items to make loading them more reliable. + * + * @param mixed + * @param string + * @return array + */ + protected function _ci_prep_filename($filename, $extension) + { + if ( ! is_array($filename)) + { + return array(strtolower(str_replace('.php', '', str_replace($extension, '', $filename)).$extension)); + } + else + { + foreach ($filename as $key => $val) + { + $filename[$key] = strtolower(str_replace('.php', '', str_replace($extension, '', $val)).$extension); + } + + return $filename; + } + } +} + +/* End of file Loader.php */ +/* Location: ./system/core/Loader.php */ \ No newline at end of file diff --git a/system/core/Model.php b/system/core/Model.php new file mode 100755 index 0000000..e15ffbe --- /dev/null +++ b/system/core/Model.php @@ -0,0 +1,57 @@ +$key; + } +} +// END Model Class + +/* End of file Model.php */ +/* Location: ./system/core/Model.php */ \ No newline at end of file diff --git a/system/core/Output.php b/system/core/Output.php new file mode 100755 index 0000000..ccecafd --- /dev/null +++ b/system/core/Output.php @@ -0,0 +1,574 @@ +_zlib_oc = @ini_get('zlib.output_compression'); + + // Get mime types for later + if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) + { + include APPPATH.'config/'.ENVIRONMENT.'/mimes.php'; + } + else + { + include APPPATH.'config/mimes.php'; + } + + + $this->mime_types = $mimes; + + log_message('debug', "Output Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Get Output + * + * Returns the current output string + * + * @access public + * @return string + */ + function get_output() + { + return $this->final_output; + } + + // -------------------------------------------------------------------- + + /** + * Set Output + * + * Sets the output string + * + * @access public + * @param string + * @return void + */ + function set_output($output) + { + $this->final_output = $output; + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Append Output + * + * Appends data onto the output string + * + * @access public + * @param string + * @return void + */ + function append_output($output) + { + if ($this->final_output == '') + { + $this->final_output = $output; + } + else + { + $this->final_output .= $output; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set Header + * + * Lets you set a server header which will be outputted with the final display. + * + * Note: If a file is cached, headers will not be sent. We need to figure out + * how to permit header data to be saved with the cache data... + * + * @access public + * @param string + * @param bool + * @return void + */ + function set_header($header, $replace = TRUE) + { + // If zlib.output_compression is enabled it will compress the output, + // but it will not modify the content-length header to compensate for + // the reduction, causing the browser to hang waiting for more data. + // We'll just skip content-length in those cases. + + if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0) + { + return; + } + + $this->headers[] = array($header, $replace); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set Content Type Header + * + * @access public + * @param string extension of the file we're outputting + * @return void + */ + function set_content_type($mime_type) + { + if (strpos($mime_type, '/') === FALSE) + { + $extension = ltrim($mime_type, '.'); + + // Is this extension supported? + if (isset($this->mime_types[$extension])) + { + $mime_type =& $this->mime_types[$extension]; + + if (is_array($mime_type)) + { + $mime_type = current($mime_type); + } + } + } + + $header = 'Content-Type: '.$mime_type; + + $this->headers[] = array($header, TRUE); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set HTTP Status Header + * moved to Common procedural functions in 1.7.2 + * + * @access public + * @param int the status code + * @param string + * @return void + */ + function set_status_header($code = 200, $text = '') + { + set_status_header($code, $text); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Enable/disable Profiler + * + * @access public + * @param bool + * @return void + */ + function enable_profiler($val = TRUE) + { + $this->enable_profiler = (is_bool($val)) ? $val : TRUE; + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set Profiler Sections + * + * Allows override of default / config settings for Profiler section display + * + * @access public + * @param array + * @return void + */ + function set_profiler_sections($sections) + { + foreach ($sections as $section => $enable) + { + $this->_profiler_sections[$section] = ($enable !== FALSE) ? TRUE : FALSE; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set Cache + * + * @access public + * @param integer + * @return void + */ + function cache($time) + { + $this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time; + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Display Output + * + * All "view" data is automatically put into this variable by the controller class: + * + * $this->final_output + * + * This function sends the finalized output data to the browser along + * with any server headers and profile data. It also stops the + * benchmark timer so the page rendering speed and memory usage can be shown. + * + * @access public + * @param string + * @return mixed + */ + function _display($output = '') + { + // Note: We use globals because we can't use $CI =& get_instance() + // since this function is sometimes called by the caching mechanism, + // which happens before the CI super object is available. + global $BM, $CFG; + + // Grab the super object if we can. + if (class_exists('CI_Controller')) + { + $CI =& get_instance(); + } + + // -------------------------------------------------------------------- + + // Set the output data + if ($output == '') + { + $output =& $this->final_output; + } + + // -------------------------------------------------------------------- + + // Do we need to write a cache file? Only if the controller does not have its + // own _output() method and we are not dealing with a cache file, which we + // can determine by the existence of the $CI object above + if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output')) + { + $this->_write_cache($output); + } + + // -------------------------------------------------------------------- + + // Parse out the elapsed time and memory usage, + // then swap the pseudo-variables with the data + + $elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end'); + + if ($this->parse_exec_vars === TRUE) + { + $memory = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB'; + + $output = str_replace('{elapsed_time}', $elapsed, $output); + $output = str_replace('{memory_usage}', $memory, $output); + } + + // -------------------------------------------------------------------- + + // Is compression requested? + if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc == FALSE) + { + if (extension_loaded('zlib')) + { + if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) + { + ob_start('ob_gzhandler'); + } + } + } + + // -------------------------------------------------------------------- + + // Are there any server headers to send? + if (count($this->headers) > 0) + { + foreach ($this->headers as $header) + { + @header($header[0], $header[1]); + } + } + + // -------------------------------------------------------------------- + + // Does the $CI object exist? + // If not we know we are dealing with a cache file so we'll + // simply echo out the data and exit. + if ( ! isset($CI)) + { + echo $output; + log_message('debug', "Final output sent to browser"); + log_message('debug', "Total execution time: ".$elapsed); + return TRUE; + } + + // -------------------------------------------------------------------- + + // Do we need to generate profile data? + // If so, load the Profile class and run it. + if ($this->enable_profiler == TRUE) + { + $CI->load->library('profiler'); + + if ( ! empty($this->_profiler_sections)) + { + $CI->profiler->set_sections($this->_profiler_sections); + } + + // If the output data contains closing and tags + // we will remove them and add them back after we insert the profile data + if (preg_match("|.*?|is", $output)) + { + $output = preg_replace("|.*?|is", '', $output); + $output .= $CI->profiler->run(); + $output .= ''; + } + else + { + $output .= $CI->profiler->run(); + } + } + + // -------------------------------------------------------------------- + + // Does the controller contain a function named _output()? + // If so send the output there. Otherwise, echo it. + if (method_exists($CI, '_output')) + { + $CI->_output($output); + } + else + { + echo $output; // Send it to the browser! + } + + log_message('debug', "Final output sent to browser"); + log_message('debug', "Total execution time: ".$elapsed); + } + + // -------------------------------------------------------------------- + + /** + * Write a Cache File + * + * @access public + * @param string + * @return void + */ + function _write_cache($output) + { + $CI =& get_instance(); + $path = $CI->config->item('cache_path'); + + $cache_path = ($path == '') ? APPPATH.'cache/' : $path; + + if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path)) + { + log_message('error', "Unable to write cache file: ".$cache_path); + return; + } + + $uri = $CI->config->item('base_url'). + $CI->config->item('index_page'). + $CI->uri->uri_string(); + + $cache_path .= md5($uri); + + if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE)) + { + log_message('error', "Unable to write cache file: ".$cache_path); + return; + } + + $expire = time() + ($this->cache_expiration * 60); + + if (flock($fp, LOCK_EX)) + { + fwrite($fp, $expire.'TS--->'.$output); + flock($fp, LOCK_UN); + } + else + { + log_message('error', "Unable to secure a file lock for file at: ".$cache_path); + return; + } + fclose($fp); + @chmod($cache_path, FILE_WRITE_MODE); + + log_message('debug', "Cache file written: ".$cache_path); + } + + // -------------------------------------------------------------------- + + /** + * Update/serve a cached file + * + * @access public + * @param object config class + * @param object uri class + * @return void + */ + function _display_cache(&$CFG, &$URI) + { + $cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path'); + + // Build the file path. The file name is an MD5 hash of the full URI + $uri = $CFG->item('base_url'). + $CFG->item('index_page'). + $URI->uri_string; + + $filepath = $cache_path.md5($uri); + + if ( ! @file_exists($filepath)) + { + return FALSE; + } + + if ( ! $fp = @fopen($filepath, FOPEN_READ)) + { + return FALSE; + } + + flock($fp, LOCK_SH); + + $cache = ''; + if (filesize($filepath) > 0) + { + $cache = fread($fp, filesize($filepath)); + } + + flock($fp, LOCK_UN); + fclose($fp); + + // Strip out the embedded timestamp + if ( ! preg_match("/(\d+TS--->)/", $cache, $match)) + { + return FALSE; + } + + // Has the file expired? If so we'll delete it. + if (time() >= trim(str_replace('TS--->', '', $match['1']))) + { + if (is_really_writable($cache_path)) + { + @unlink($filepath); + log_message('debug', "Cache file has expired. File deleted"); + return FALSE; + } + } + + // Display the cache + $this->_display(str_replace($match['0'], '', $cache)); + log_message('debug', "Cache file is current. Sending it to browser."); + return TRUE; + } + + +} +// END Output Class + +/* End of file Output.php */ +/* Location: ./system/core/Output.php */ \ No newline at end of file diff --git a/system/core/Router.php b/system/core/Router.php new file mode 100755 index 0000000..6da6674 --- /dev/null +++ b/system/core/Router.php @@ -0,0 +1,522 @@ +config =& load_class('Config', 'core'); + $this->uri =& load_class('URI', 'core'); + log_message('debug', "Router Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Set the route mapping + * + * This function determines what should be served based on the URI request, + * as well as any "routes" that have been set in the routing config file. + * + * @access private + * @return void + */ + function _set_routing() + { + // Are query strings enabled in the config file? Normally CI doesn't utilize query strings + // since URI segments are more search-engine friendly, but they can optionally be used. + // If this feature is enabled, we will gather the directory/class/method a little differently + $segments = array(); + if ($this->config->item('enable_query_strings') === TRUE AND isset($_GET[$this->config->item('controller_trigger')])) + { + if (isset($_GET[$this->config->item('directory_trigger')])) + { + $this->set_directory(trim($this->uri->_filter_uri($_GET[$this->config->item('directory_trigger')]))); + $segments[] = $this->fetch_directory(); + } + + if (isset($_GET[$this->config->item('controller_trigger')])) + { + $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')]))); + $segments[] = $this->fetch_class(); + } + + if (isset($_GET[$this->config->item('function_trigger')])) + { + $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')]))); + $segments[] = $this->fetch_method(); + } + } + + // Load the routes.php file. + if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/routes.php')) + { + include(APPPATH.'config/'.ENVIRONMENT.'/routes.php'); + } + elseif (is_file(APPPATH.'config/routes.php')) + { + include(APPPATH.'config/routes.php'); + } + + $this->routes = ( ! isset($route) OR ! is_array($route)) ? array() : $route; + unset($route); + + // Set the default controller so we can display it in the event + // the URI doesn't correlated to a valid controller. + $this->default_controller = ( ! isset($this->routes['default_controller']) OR $this->routes['default_controller'] == '') ? FALSE : strtolower($this->routes['default_controller']); + + // Were there any query string segments? If so, we'll validate them and bail out since we're done. + if (count($segments) > 0) + { + return $this->_validate_request($segments); + } + + // Fetch the complete URI string + $this->uri->_fetch_uri_string(); + + // Is there a URI string? If not, the default controller specified in the "routes" file will be shown. + if ($this->uri->uri_string == '') + { + return $this->_set_default_controller(); + } + + // Do we need to remove the URL suffix? + $this->uri->_remove_url_suffix(); + + // Compile the segments into an array + $this->uri->_explode_segments(); + + // Parse any custom routing that may exist + $this->_parse_routes(); + + // Re-index the segment array so that it starts with 1 rather than 0 + $this->uri->_reindex_segments(); + } + + // -------------------------------------------------------------------- + + /** + * Set the default controller + * + * @access private + * @return void + */ + function _set_default_controller() + { + if ($this->default_controller === FALSE) + { + show_error("Unable to determine what should be displayed. A default route has not been specified in the routing file."); + } + // Is the method being specified? + if (strpos($this->default_controller, '/') !== FALSE) + { + $x = explode('/', $this->default_controller); + + $this->set_class($x[0]); + $this->set_method($x[1]); + $this->_set_request($x); + } + else + { + $this->set_class($this->default_controller); + $this->set_method('index'); + $this->_set_request(array($this->default_controller, 'index')); + } + + // re-index the routed segments array so it starts with 1 rather than 0 + $this->uri->_reindex_segments(); + + log_message('debug', "No URI present. Default controller set."); + } + + // -------------------------------------------------------------------- + + /** + * Set the Route + * + * This function takes an array of URI segments as + * input, and sets the current class/method + * + * @access private + * @param array + * @param bool + * @return void + */ + function _set_request($segments = array()) + { + $segments = $this->_validate_request($segments); + + if (count($segments) == 0) + { + return $this->_set_default_controller(); + } + + $this->set_class($segments[0]); + + if (isset($segments[1])) + { + // A standard method request + $this->set_method($segments[1]); + } + else + { + // This lets the "routed" segment array identify that the default + // index method is being used. + $segments[1] = 'index'; + } + + // Update our "routed" segment array to contain the segments. + // Note: If there is no custom routing, this array will be + // identical to $this->uri->segments + $this->uri->rsegments = $segments; + } + + // -------------------------------------------------------------------- + + /** + * Validates the supplied segments. Attempts to determine the path to + * the controller. + * + * @access private + * @param array + * @return array + */ + function _validate_request($segments) + { + if (count($segments) == 0) + { + return $segments; + } + + // Does the requested controller exist in the root folder? + if (file_exists(APPPATH.'controllers/'.$segments[0].'.php')) + { + return $segments; + } + + // Is the controller in a sub-folder? + if (is_dir(APPPATH.'controllers/'.$segments[0])) + { + // Set the directory and remove it from the segment array + $this->set_directory($segments[0]); + $segments = array_slice($segments, 1); + + if (count($segments) > 0) + { + // Does the requested controller exist in the sub-folder? + if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$segments[0].'.php')) + { + if ( ! empty($this->routes['404_override'])) + { + $x = explode('/', $this->routes['404_override']); + + $this->set_directory(''); + $this->set_class($x[0]); + $this->set_method(isset($x[1]) ? $x[1] : 'index'); + + return $x; + } + else + { + show_404($this->fetch_directory().$segments[0]); + } + } + } + else + { + // Is the method being specified in the route? + if (strpos($this->default_controller, '/') !== FALSE) + { + $x = explode('/', $this->default_controller); + + $this->set_class($x[0]); + $this->set_method($x[1]); + } + else + { + $this->set_class($this->default_controller); + $this->set_method('index'); + } + + // Does the default controller exist in the sub-folder? + if ( ! file_exists(APPPATH.'controllers/'.$this->fetch_directory().$this->default_controller.'.php')) + { + $this->directory = ''; + return array(); + } + + } + + return $segments; + } + + + // If we've gotten this far it means that the URI does not correlate to a valid + // controller class. We will now see if there is an override + if ( ! empty($this->routes['404_override'])) + { + $x = explode('/', $this->routes['404_override']); + + $this->set_class($x[0]); + $this->set_method(isset($x[1]) ? $x[1] : 'index'); + + return $x; + } + + + // Nothing else to do at this point but show a 404 + show_404($segments[0]); + } + + // -------------------------------------------------------------------- + + /** + * Parse Routes + * + * This function matches any routes that may exist in + * the config/routes.php file against the URI to + * determine if the class/method need to be remapped. + * + * @access private + * @return void + */ + function _parse_routes() + { + // Turn the segment array into a URI string + $uri = implode('/', $this->uri->segments); + + // Is there a literal match? If so we're done + if (isset($this->routes[$uri])) + { + return $this->_set_request(explode('/', $this->routes[$uri])); + } + + // Loop through the route array looking for wild-cards + foreach ($this->routes as $key => $val) + { + // Convert wild-cards to RegEx + $key = str_replace(':any', '.+', str_replace(':num', '[0-9]+', $key)); + + // Does the RegEx match? + if (preg_match('#^'.$key.'$#', $uri)) + { + // Do we have a back-reference? + if (strpos($val, '$') !== FALSE AND strpos($key, '(') !== FALSE) + { + $val = preg_replace('#^'.$key.'$#', $val, $uri); + } + + return $this->_set_request(explode('/', $val)); + } + } + + // If we got this far it means we didn't encounter a + // matching route so we'll set the site default route + $this->_set_request($this->uri->segments); + } + + // -------------------------------------------------------------------- + + /** + * Set the class name + * + * @access public + * @param string + * @return void + */ + function set_class($class) + { + $this->class = str_replace(array('/', '.'), '', $class); + } + + // -------------------------------------------------------------------- + + /** + * Fetch the current class + * + * @access public + * @return string + */ + function fetch_class() + { + return $this->class; + } + + // -------------------------------------------------------------------- + + /** + * Set the method name + * + * @access public + * @param string + * @return void + */ + function set_method($method) + { + $this->method = $method; + } + + // -------------------------------------------------------------------- + + /** + * Fetch the current method + * + * @access public + * @return string + */ + function fetch_method() + { + if ($this->method == $this->fetch_class()) + { + return 'index'; + } + + return $this->method; + } + + // -------------------------------------------------------------------- + + /** + * Set the directory name + * + * @access public + * @param string + * @return void + */ + function set_directory($dir) + { + $this->directory = str_replace(array('/', '.'), '', $dir).'/'; + } + + // -------------------------------------------------------------------- + + /** + * Fetch the sub-directory (if any) that contains the requested controller class + * + * @access public + * @return string + */ + function fetch_directory() + { + return $this->directory; + } + + // -------------------------------------------------------------------- + + /** + * Set the controller overrides + * + * @access public + * @param array + * @return null + */ + function _set_overrides($routing) + { + if ( ! is_array($routing)) + { + return; + } + + if (isset($routing['directory'])) + { + $this->set_directory($routing['directory']); + } + + if (isset($routing['controller']) AND $routing['controller'] != '') + { + $this->set_class($routing['controller']); + } + + if (isset($routing['function'])) + { + $routing['function'] = ($routing['function'] == '') ? 'index' : $routing['function']; + $this->set_method($routing['function']); + } + } + + +} +// END Router Class + +/* End of file Router.php */ +/* Location: ./system/core/Router.php */ \ No newline at end of file diff --git a/system/core/Security.php b/system/core/Security.php new file mode 100755 index 0000000..00089d7 --- /dev/null +++ b/system/core/Security.php @@ -0,0 +1,876 @@ + '[removed]', + 'document.write' => '[removed]', + '.parentNode' => '[removed]', + '.innerHTML' => '[removed]', + 'window.location' => '[removed]', + '-moz-binding' => '[removed]', + '' => '-->', + ' '<![CDATA[', + '' => '<comment>' + ); + + /* never allowed, regex replacement */ + /** + * List of never allowed regex replacement + * + * @var array + * @access protected + */ + protected $_never_allowed_regex = array( + 'javascript\s*:', + 'expression\s*(\(|&\#40;)', // CSS and IE + 'vbscript\s*:', // IE, surprise! + 'Redirect\s+302', + "([\"'])?data\s*:[^\\1]*?base64[^\\1]*?,[^\\1]*?\\1?" + ); + + /** + * Constructor + * + * @return void + */ + public function __construct() + { + // Is CSRF protection enabled? + if (config_item('csrf_protection') === TRUE) + { + // CSRF config + foreach (array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key) + { + if (FALSE !== ($val = config_item($key))) + { + $this->{'_'.$key} = $val; + } + } + + // Append application specific cookie prefix + if (config_item('cookie_prefix')) + { + $this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name; + } + + // Set the CSRF hash + $this->_csrf_set_hash(); + } + + log_message('debug', "Security Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Verify Cross Site Request Forgery Protection + * + * @return object + */ + public function csrf_verify() + { + // If it's not a POST request we will set the CSRF cookie + if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST') + { + return $this->csrf_set_cookie(); + } + + // Do the tokens exist in both the _POST and _COOKIE arrays? + if ( ! isset($_POST[$this->_csrf_token_name], $_COOKIE[$this->_csrf_cookie_name])) + { + $this->csrf_show_error(); + } + + // Do the tokens match? + if ($_POST[$this->_csrf_token_name] != $_COOKIE[$this->_csrf_cookie_name]) + { + $this->csrf_show_error(); + } + + // We kill this since we're done and we don't want to + // polute the _POST array + unset($_POST[$this->_csrf_token_name]); + + // Nothing should last forever + unset($_COOKIE[$this->_csrf_cookie_name]); + $this->_csrf_set_hash(); + $this->csrf_set_cookie(); + + log_message('debug', 'CSRF token verified'); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Set Cross Site Request Forgery Protection Cookie + * + * @return object + */ + public function csrf_set_cookie() + { + $expire = time() + $this->_csrf_expire; + $secure_cookie = (config_item('cookie_secure') === TRUE) ? 1 : 0; + + if ($secure_cookie && (empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) === 'off')) + { + return FALSE; + } + + setcookie($this->_csrf_cookie_name, $this->_csrf_hash, $expire, config_item('cookie_path'), config_item('cookie_domain'), $secure_cookie); + + log_message('debug', "CRSF cookie Set"); + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Show CSRF Error + * + * @return void + */ + public function csrf_show_error() + { + show_error('The action you have requested is not allowed.'); + } + + // -------------------------------------------------------------------- + + /** + * Get CSRF Hash + * + * Getter Method + * + * @return string self::_csrf_hash + */ + public function get_csrf_hash() + { + return $this->_csrf_hash; + } + + // -------------------------------------------------------------------- + + /** + * Get CSRF Token Name + * + * Getter Method + * + * @return string self::csrf_token_name + */ + public function get_csrf_token_name() + { + return $this->_csrf_token_name; + } + + // -------------------------------------------------------------------- + + /** + * XSS Clean + * + * Sanitizes data so that Cross Site Scripting Hacks can be + * prevented. This function does a fair amount of work but + * it is extremely thorough, designed to prevent even the + * most obscure XSS attempts. Nothing is ever 100% foolproof, + * of course, but I haven't been able to get anything passed + * the filter. + * + * Note: This function should only be used to deal with data + * upon submission. It's not something that should + * be used for general runtime processing. + * + * This function was based in part on some code and ideas I + * got from Bitflux: http://channel.bitflux.ch/wiki/XSS_Prevention + * + * To help develop this script I used this great list of + * vulnerabilities along with a few other hacks I've + * harvested from examining vulnerabilities in other programs: + * http://ha.ckers.org/xss.html + * + * @param mixed string or array + * @param bool + * @return string + */ + public function xss_clean($str, $is_image = FALSE) + { + /* + * Is the string an array? + * + */ + if (is_array($str)) + { + while (list($key) = each($str)) + { + $str[$key] = $this->xss_clean($str[$key]); + } + + return $str; + } + + /* + * Remove Invisible Characters + */ + $str = remove_invisible_characters($str); + + // Validate Entities in URLs + $str = $this->_validate_entities($str); + + /* + * URL Decode + * + * Just in case stuff like this is submitted: + * + * Google + * + * Note: Use rawurldecode() so it does not remove plus signs + * + */ + $str = rawurldecode($str); + + /* + * Convert character entities to ASCII + * + * This permits our tests below to work reliably. + * We only convert entities that are within tags since + * these are the ones that will pose security problems. + * + */ + + $str = preg_replace_callback("/[a-z]+=([\'\"]).*?\\1/si", array($this, '_convert_attribute'), $str); + + $str = preg_replace_callback("/<\w+.*?(?=>|<|$)/si", array($this, '_decode_entity'), $str); + + /* + * Remove Invisible Characters Again! + */ + $str = remove_invisible_characters($str); + + /* + * Convert all tabs to spaces + * + * This prevents strings like this: ja vascript + * NOTE: we deal with spaces between characters later. + * NOTE: preg_replace was found to be amazingly slow here on + * large blocks of data, so we use str_replace. + */ + + if (strpos($str, "\t") !== FALSE) + { + $str = str_replace("\t", ' ', $str); + } + + /* + * Capture converted string for later comparison + */ + $converted_string = $str; + + // Remove Strings that are never allowed + $str = $this->_do_never_allowed($str); + + /* + * Makes PHP tags safe + * + * Note: XML tags are inadvertently replaced too: + * + * '), array('<?', '?>'), $str); + } + + /* + * Compact any exploded words + * + * This corrects words like: j a v a s c r i p t + * These words are compacted back to their correct state. + */ + $words = array( + 'javascript', 'expression', 'vbscript', 'script', 'base64', + 'applet', 'alert', 'document', 'write', 'cookie', 'window' + ); + + foreach ($words as $word) + { + $temp = ''; + + for ($i = 0, $wordlen = strlen($word); $i < $wordlen; $i++) + { + $temp .= substr($word, $i, 1)."\s*"; + } + + // We only want to do this when it is followed by a non-word character + // That way valid stuff like "dealer to" does not become "dealerto" + $str = preg_replace_callback('#('.substr($temp, 0, -3).')(\W)#is', array($this, '_compact_exploded_words'), $str); + } + + /* + * Remove disallowed Javascript in links or img tags + * We used to do some version comparisons and use of stripos for PHP5, + * but it is dog slow compared to these simplified non-capturing + * preg_match(), especially if the pattern exists in the string + */ + do + { + $original = $str; + + if (preg_match("/]*?)(>|$)#si", array($this, '_js_link_removal'), $str); + } + + if (preg_match("/]*?)(\s?/?>|$)#si", array($this, '_js_img_removal'), $str); + } + + if (preg_match("/script/i", $str) OR preg_match("/xss/i", $str)) + { + $str = preg_replace("#<(/*)(script|xss)(.*?)\>#si", '[removed]', $str); + } + } + while($original != $str); + + unset($original); + + // Remove evil attributes such as style, onclick and xmlns + $str = $this->_remove_evil_attributes($str, $is_image); + + /* + * Sanitize naughty HTML elements + * + * If a tag containing any of the words in the list + * below is found, the tag gets converted to entities. + * + * So this: + * Becomes: <blink> + */ + $naughty = 'alert|applet|audio|basefont|base|behavior|bgsound|blink|body|embed|expression|form|frameset|frame|head|html|ilayer|iframe|input|isindex|layer|link|meta|object|plaintext|style|script|textarea|title|video|xml|xss'; + $str = preg_replace_callback('#<(/*\s*)('.$naughty.')([^><]*)([><]*)#is', array($this, '_sanitize_naughty_html'), $str); + + /* + * Sanitize naughty scripting elements + * + * Similar to above, only instead of looking for + * tags it looks for PHP and JavaScript commands + * that are disallowed. Rather than removing the + * code, it simply converts the parenthesis to entities + * rendering the code un-executable. + * + * For example: eval('some code') + * Becomes: eval('some code') + */ + $str = preg_replace('#(alert|cmd|passthru|eval|exec|expression|system|fopen|fsockopen|file|file_get_contents|readfile|unlink)(\s*)\((.*?)\)#si', "\\1\\2(\\3)", $str); + + + // Final clean up + // This adds a bit of extra precaution in case + // something got through the above filters + $str = $this->_do_never_allowed($str); + + /* + * Images are Handled in a Special Way + * - Essentially, we want to know that after all of the character + * conversion is done whether any unwanted, likely XSS, code was found. + * If not, we return TRUE, as the image is clean. + * However, if the string post-conversion does not matched the + * string post-removal of XSS, then it fails, as there was unwanted XSS + * code found and removed/changed during processing. + */ + + if ($is_image === TRUE) + { + return ($str == $converted_string) ? TRUE: FALSE; + } + + log_message('debug', "XSS Filtering completed"); + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Random Hash for protecting URLs + * + * @return string + */ + public function xss_hash() + { + if ($this->_xss_hash == '') + { + mt_srand(); + $this->_xss_hash = md5(time() + mt_rand(0, 1999999999)); + } + + return $this->_xss_hash; + } + + // -------------------------------------------------------------------- + + /** + * HTML Entities Decode + * + * This function is a replacement for html_entity_decode() + * + * The reason we are not using html_entity_decode() by itself is because + * while it is not technically correct to leave out the semicolon + * at the end of an entity most browsers will still interpret the entity + * correctly. html_entity_decode() does not convert entities without + * semicolons, so we are left with our own little solution here. Bummer. + * + * @param string + * @param string + * @return string + */ + public function entity_decode($str, $charset='UTF-8') + { + if (stristr($str, '&') === FALSE) + { + return $str; + } + + $str = html_entity_decode($str, ENT_COMPAT, $charset); + $str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str); + return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str); + } + + // -------------------------------------------------------------------- + + /** + * Filename Security + * + * @param string + * @param bool + * @return string + */ + public function sanitize_filename($str, $relative_path = FALSE) + { + $bad = array( + "../", + "", + "<", + ">", + "'", + '"', + '&', + '$', + '#', + '{', + '}', + '[', + ']', + '=', + ';', + '?', + "%20", + "%22", + "%3c", // < + "%253c", // < + "%3e", // > + "%0e", // > + "%28", // ( + "%29", // ) + "%2528", // ( + "%26", // & + "%24", // $ + "%3f", // ? + "%3b", // ; + "%3d" // = + ); + + if ( ! $relative_path) + { + $bad[] = './'; + $bad[] = '/'; + } + + $str = remove_invisible_characters($str, FALSE); + return stripslashes(str_replace($bad, '', $str)); + } + + // ---------------------------------------------------------------- + + /** + * Compact Exploded Words + * + * Callback function for xss_clean() to remove whitespace from + * things like j a v a s c r i p t + * + * @param type + * @return type + */ + protected function _compact_exploded_words($matches) + { + return preg_replace('/\s+/s', '', $matches[1]).$matches[2]; + } + + // -------------------------------------------------------------------- + + /* + * Remove Evil HTML Attributes (like evenhandlers and style) + * + * It removes the evil attribute and either: + * - Everything up until a space + * For example, everything between the pipes: + * + * - Everything inside the quotes + * For example, everything between the pipes: + * + * + * @param string $str The string to check + * @param boolean $is_image TRUE if this is an image + * @return string The string with the evil attributes removed + */ + protected function _remove_evil_attributes($str, $is_image) + { + // All javascript event handlers (e.g. onload, onclick, onmouseover), style, and xmlns + $evil_attributes = array('on\w*', 'style', 'xmlns', 'formaction'); + + if ($is_image === TRUE) + { + /* + * Adobe Photoshop puts XML metadata into JFIF images, + * including namespacing, so we have to allow this for images. + */ + unset($evil_attributes[array_search('xmlns', $evil_attributes)]); + } + + do { + $count = 0; + $attribs = array(); + + // find occurrences of illegal attribute strings without quotes + preg_match_all('/('.implode('|', $evil_attributes).')\s*=\s*([^\s>]*)/is', $str, $matches, PREG_SET_ORDER); + + foreach ($matches as $attr) + { + + $attribs[] = preg_quote($attr[0], '/'); + } + + // find occurrences of illegal attribute strings with quotes (042 and 047 are octal quotes) + preg_match_all("/(".implode('|', $evil_attributes).")\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is", $str, $matches, PREG_SET_ORDER); + + foreach ($matches as $attr) + { + $attribs[] = preg_quote($attr[0], '/'); + } + + // replace illegal attribute strings that are inside an html tag + if (count($attribs) > 0) + { + $str = preg_replace("/<(\/?[^><]+?)([^A-Za-z<>\-])(.*?)(".implode('|', $attribs).")(.*?)([\s><])([><]*)/i", '<$1 $3$5$6$7', $str, -1, $count); + } + + } while ($count); + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Sanitize Naughty HTML + * + * Callback function for xss_clean() to remove naughty HTML elements + * + * @param array + * @return string + */ + protected function _sanitize_naughty_html($matches) + { + // encode opening brace + $str = '<'.$matches[1].$matches[2].$matches[3]; + + // encode captured opening or closing brace to prevent recursive vectors + $str .= str_replace(array('>', '<'), array('>', '<'), + $matches[4]); + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * JS Link Removal + * + * Callback function for xss_clean() to sanitize links + * This limits the PCRE backtracks, making it more performance friendly + * and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in + * PHP 5.2+ on link-heavy strings + * + * @param array + * @return string + */ + protected function _js_link_removal($match) + { + return str_replace( + $match[1], + preg_replace( + '#href=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|_filter_attributes(str_replace(array('<', '>'), '', $match[1])) + ), + $match[0] + ); + } + + // -------------------------------------------------------------------- + + /** + * JS Image Removal + * + * Callback function for xss_clean() to sanitize image tags + * This limits the PCRE backtracks, making it more performance friendly + * and prevents PREG_BACKTRACK_LIMIT_ERROR from being triggered in + * PHP 5.2+ on image tag heavy strings + * + * @param array + * @return string + */ + protected function _js_img_removal($match) + { + return str_replace( + $match[1], + preg_replace( + '#src=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|_filter_attributes(str_replace(array('<', '>'), '', $match[1])) + ), + $match[0] + ); + } + + // -------------------------------------------------------------------- + + /** + * Attribute Conversion + * + * Used as a callback for XSS Clean + * + * @param array + * @return string + */ + protected function _convert_attribute($match) + { + return str_replace(array('>', '<', '\\'), array('>', '<', '\\\\'), $match[0]); + } + + // -------------------------------------------------------------------- + + /** + * Filter Attributes + * + * Filters tag attributes for consistency and safety + * + * @param string + * @return string + */ + protected function _filter_attributes($str) + { + $out = ''; + + if (preg_match_all('#\s*[a-z\-]+\s*=\s*(\042|\047)([^\\1]*?)\\1#is', $str, $matches)) + { + foreach ($matches[0] as $match) + { + $out .= preg_replace("#/\*.*?\*/#s", '', $match); + } + } + + return $out; + } + + // -------------------------------------------------------------------- + + /** + * HTML Entity Decode Callback + * + * Used as a callback for XSS Clean + * + * @param array + * @return string + */ + protected function _decode_entity($match) + { + return $this->entity_decode($match[0], strtoupper(config_item('charset'))); + } + + // -------------------------------------------------------------------- + + /** + * Validate URL entities + * + * Called by xss_clean() + * + * @param string + * @return string + */ + protected function _validate_entities($str) + { + /* + * Protect GET variables in URLs + */ + + // 901119URL5918AMP18930PROTECT8198 + + $str = preg_replace('|\&([a-z\_0-9\-]+)\=([a-z\_0-9\-]+)|i', $this->xss_hash()."\\1=\\2", $str); + + /* + * Validate standard character entities + * + * Add a semicolon if missing. We do this to enable + * the conversion of entities to ASCII later. + * + */ + $str = preg_replace('#(&\#?[0-9a-z]{2,})([\x00-\x20])*;?#i', "\\1;\\2", $str); + + /* + * Validate UTF16 two byte encoding (x00) + * + * Just as above, adds a semicolon if missing. + * + */ + $str = preg_replace('#(&\#x?)([0-9A-F]+);?#i',"\\1\\2;",$str); + + /* + * Un-Protect GET variables in URLs + */ + $str = str_replace($this->xss_hash(), '&', $str); + + return $str; + } + + // ---------------------------------------------------------------------- + + /** + * Do Never Allowed + * + * A utility function for xss_clean() + * + * @param string + * @return string + */ + protected function _do_never_allowed($str) + { + $str = str_replace(array_keys($this->_never_allowed_str), $this->_never_allowed_str, $str); + + foreach ($this->_never_allowed_regex as $regex) + { + $str = preg_replace('#'.$regex.'#is', '[removed]', $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Set Cross Site Request Forgery Protection Cookie + * + * @return string + */ + protected function _csrf_set_hash() + { + if ($this->_csrf_hash == '') + { + // If the cookie exists we will use it's value. + // We don't necessarily want to regenerate it with + // each page load since a page could contain embedded + // sub-pages causing this feature to fail + if (isset($_COOKIE[$this->_csrf_cookie_name]) && + preg_match('#^[0-9a-f]{32}$#iS', $_COOKIE[$this->_csrf_cookie_name]) === 1) + { + return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name]; + } + + return $this->_csrf_hash = md5(uniqid(rand(), TRUE)); + } + + return $this->_csrf_hash; + } + +} + +/* End of file Security.php */ +/* Location: ./system/libraries/Security.php */ \ No newline at end of file diff --git a/system/core/URI.php b/system/core/URI.php new file mode 100755 index 0000000..a3ae20c --- /dev/null +++ b/system/core/URI.php @@ -0,0 +1,654 @@ +config =& load_class('Config', 'core'); + log_message('debug', "URI Class Initialized"); + } + + + // -------------------------------------------------------------------- + + /** + * Get the URI String + * + * @access private + * @return string + */ + function _fetch_uri_string() + { + if (strtoupper($this->config->item('uri_protocol')) == 'AUTO') + { + // Is the request coming from the command line? + if (php_sapi_name() == 'cli' or defined('STDIN')) + { + $this->_set_uri_string($this->_parse_cli_args()); + return; + } + + // Let's try the REQUEST_URI first, this will work in most situations + if ($uri = $this->_detect_uri()) + { + $this->_set_uri_string($uri); + return; + } + + // Is there a PATH_INFO variable? + // Note: some servers seem to have trouble with getenv() so we'll test it two ways + $path = (isset($_SERVER['PATH_INFO'])) ? $_SERVER['PATH_INFO'] : @getenv('PATH_INFO'); + if (trim($path, '/') != '' && $path != "/".SELF) + { + $this->_set_uri_string($path); + return; + } + + // No PATH_INFO?... What about QUERY_STRING? + $path = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING'); + if (trim($path, '/') != '') + { + $this->_set_uri_string($path); + return; + } + + // As a last ditch effort lets try using the $_GET array + if (is_array($_GET) && count($_GET) == 1 && trim(key($_GET), '/') != '') + { + $this->_set_uri_string(key($_GET)); + return; + } + + // We've exhausted all our options... + $this->uri_string = ''; + return; + } + + $uri = strtoupper($this->config->item('uri_protocol')); + + if ($uri == 'REQUEST_URI') + { + $this->_set_uri_string($this->_detect_uri()); + return; + } + elseif ($uri == 'CLI') + { + $this->_set_uri_string($this->_parse_cli_args()); + return; + } + + $path = (isset($_SERVER[$uri])) ? $_SERVER[$uri] : @getenv($uri); + $this->_set_uri_string($path); + } + + // -------------------------------------------------------------------- + + /** + * Set the URI String + * + * @access public + * @param string + * @return string + */ + function _set_uri_string($str) + { + // Filter out control characters + $str = remove_invisible_characters($str, FALSE); + + // If the URI contains only a slash we'll kill it + $this->uri_string = ($str == '/') ? '' : $str; + } + + // -------------------------------------------------------------------- + + /** + * Detects the URI + * + * This function will detect the URI automatically and fix the query string + * if necessary. + * + * @access private + * @return string + */ + private function _detect_uri() + { + if ( ! isset($_SERVER['REQUEST_URI']) OR ! isset($_SERVER['SCRIPT_NAME'])) + { + return ''; + } + + $uri = $_SERVER['REQUEST_URI']; + if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) + { + $uri = substr($uri, strlen($_SERVER['SCRIPT_NAME'])); + } + elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) + { + $uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME']))); + } + + // This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct + // URI is found, and also fixes the QUERY_STRING server var and $_GET array. + if (strncmp($uri, '?/', 2) === 0) + { + $uri = substr($uri, 2); + } + $parts = preg_split('#\?#i', $uri, 2); + $uri = $parts[0]; + if (isset($parts[1])) + { + $_SERVER['QUERY_STRING'] = $parts[1]; + parse_str($_SERVER['QUERY_STRING'], $_GET); + } + else + { + $_SERVER['QUERY_STRING'] = ''; + $_GET = array(); + } + + if ($uri == '/' || empty($uri)) + { + return '/'; + } + + $uri = parse_url($uri, PHP_URL_PATH); + + // Do some final cleaning of the URI and return it + return str_replace(array('//', '../'), '/', trim($uri, '/')); + } + + // -------------------------------------------------------------------- + + /** + * Parse cli arguments + * + * Take each command line argument and assume it is a URI segment. + * + * @access private + * @return string + */ + private function _parse_cli_args() + { + $args = array_slice($_SERVER['argv'], 1); + + return $args ? '/' . implode('/', $args) : ''; + } + + // -------------------------------------------------------------------- + + /** + * Filter segments for malicious characters + * + * @access private + * @param string + * @return string + */ + function _filter_uri($str) + { + if ($str != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE) + { + // preg_quote() in PHP 5.3 escapes -, so the str_replace() and addition of - to preg_quote() is to maintain backwards + // compatibility as many are unaware of how characters in the permitted_uri_chars will be parsed as a regex pattern + if ( ! preg_match("|^[".str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-'))."]+$|i", $str)) + { + show_error('The URI you submitted has disallowed characters.', 400); + } + } + + // Convert programatic characters to entities + $bad = array('$', '(', ')', '%28', '%29'); + $good = array('$', '(', ')', '(', ')'); + + return str_replace($bad, $good, $str); + } + + // -------------------------------------------------------------------- + + /** + * Remove the suffix from the URL if needed + * + * @access private + * @return void + */ + function _remove_url_suffix() + { + if ($this->config->item('url_suffix') != "") + { + $this->uri_string = preg_replace("|".preg_quote($this->config->item('url_suffix'))."$|", "", $this->uri_string); + } + } + + // -------------------------------------------------------------------- + + /** + * Explode the URI Segments. The individual segments will + * be stored in the $this->segments array. + * + * @access private + * @return void + */ + function _explode_segments() + { + foreach (explode("/", preg_replace("|/*(.+?)/*$|", "\\1", $this->uri_string)) as $val) + { + // Filter segments for security + $val = trim($this->_filter_uri($val)); + + if ($val != '') + { + $this->segments[] = $val; + } + } + } + + // -------------------------------------------------------------------- + /** + * Re-index Segments + * + * This function re-indexes the $this->segment array so that it + * starts at 1 rather than 0. Doing so makes it simpler to + * use functions like $this->uri->segment(n) since there is + * a 1:1 relationship between the segment array and the actual segments. + * + * @access private + * @return void + */ + function _reindex_segments() + { + array_unshift($this->segments, NULL); + array_unshift($this->rsegments, NULL); + unset($this->segments[0]); + unset($this->rsegments[0]); + } + + // -------------------------------------------------------------------- + + /** + * Fetch a URI Segment + * + * This function returns the URI segment based on the number provided. + * + * @access public + * @param integer + * @param bool + * @return string + */ + function segment($n, $no_result = FALSE) + { + return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n]; + } + + // -------------------------------------------------------------------- + + /** + * Fetch a URI "routed" Segment + * + * This function returns the re-routed URI segment (assuming routing rules are used) + * based on the number provided. If there is no routing this function returns the + * same result as $this->segment() + * + * @access public + * @param integer + * @param bool + * @return string + */ + function rsegment($n, $no_result = FALSE) + { + return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n]; + } + + // -------------------------------------------------------------------- + + /** + * Generate a key value pair from the URI string + * + * This function generates and associative array of URI data starting + * at the supplied segment. For example, if this is your URI: + * + * example.com/user/search/name/joe/location/UK/gender/male + * + * You can use this function to generate an array with this prototype: + * + * array ( + * name => joe + * location => UK + * gender => male + * ) + * + * @access public + * @param integer the starting segment number + * @param array an array of default values + * @return array + */ + function uri_to_assoc($n = 3, $default = array()) + { + return $this->_uri_to_assoc($n, $default, 'segment'); + } + /** + * Identical to above only it uses the re-routed segment array + * + * @access public + * @param integer the starting segment number + * @param array an array of default values + * @return array + * + */ + function ruri_to_assoc($n = 3, $default = array()) + { + return $this->_uri_to_assoc($n, $default, 'rsegment'); + } + + // -------------------------------------------------------------------- + + /** + * Generate a key value pair from the URI string or Re-routed URI string + * + * @access private + * @param integer the starting segment number + * @param array an array of default values + * @param string which array we should use + * @return array + */ + function _uri_to_assoc($n = 3, $default = array(), $which = 'segment') + { + if ($which == 'segment') + { + $total_segments = 'total_segments'; + $segment_array = 'segment_array'; + } + else + { + $total_segments = 'total_rsegments'; + $segment_array = 'rsegment_array'; + } + + if ( ! is_numeric($n)) + { + return $default; + } + + if (isset($this->keyval[$n])) + { + return $this->keyval[$n]; + } + + if ($this->$total_segments() < $n) + { + if (count($default) == 0) + { + return array(); + } + + $retval = array(); + foreach ($default as $val) + { + $retval[$val] = FALSE; + } + return $retval; + } + + $segments = array_slice($this->$segment_array(), ($n - 1)); + + $i = 0; + $lastval = ''; + $retval = array(); + foreach ($segments as $seg) + { + if ($i % 2) + { + $retval[$lastval] = $seg; + } + else + { + $retval[$seg] = FALSE; + $lastval = $seg; + } + + $i++; + } + + if (count($default) > 0) + { + foreach ($default as $val) + { + if ( ! array_key_exists($val, $retval)) + { + $retval[$val] = FALSE; + } + } + } + + // Cache the array for reuse + $this->keyval[$n] = $retval; + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Generate a URI string from an associative array + * + * + * @access public + * @param array an associative array of key/values + * @return array + */ + function assoc_to_uri($array) + { + $temp = array(); + foreach ((array)$array as $key => $val) + { + $temp[] = $key; + $temp[] = $val; + } + + return implode('/', $temp); + } + + // -------------------------------------------------------------------- + + /** + * Fetch a URI Segment and add a trailing slash + * + * @access public + * @param integer + * @param string + * @return string + */ + function slash_segment($n, $where = 'trailing') + { + return $this->_slash_segment($n, $where, 'segment'); + } + + // -------------------------------------------------------------------- + + /** + * Fetch a URI Segment and add a trailing slash + * + * @access public + * @param integer + * @param string + * @return string + */ + function slash_rsegment($n, $where = 'trailing') + { + return $this->_slash_segment($n, $where, 'rsegment'); + } + + // -------------------------------------------------------------------- + + /** + * Fetch a URI Segment and add a trailing slash - helper function + * + * @access private + * @param integer + * @param string + * @param string + * @return string + */ + function _slash_segment($n, $where = 'trailing', $which = 'segment') + { + $leading = '/'; + $trailing = '/'; + + if ($where == 'trailing') + { + $leading = ''; + } + elseif ($where == 'leading') + { + $trailing = ''; + } + + return $leading.$this->$which($n).$trailing; + } + + // -------------------------------------------------------------------- + + /** + * Segment Array + * + * @access public + * @return array + */ + function segment_array() + { + return $this->segments; + } + + // -------------------------------------------------------------------- + + /** + * Routed Segment Array + * + * @access public + * @return array + */ + function rsegment_array() + { + return $this->rsegments; + } + + // -------------------------------------------------------------------- + + /** + * Total number of segments + * + * @access public + * @return integer + */ + function total_segments() + { + return count($this->segments); + } + + // -------------------------------------------------------------------- + + /** + * Total number of routed segments + * + * @access public + * @return integer + */ + function total_rsegments() + { + return count($this->rsegments); + } + + // -------------------------------------------------------------------- + + /** + * Fetch the entire URI string + * + * @access public + * @return string + */ + function uri_string() + { + return $this->uri_string; + } + + + // -------------------------------------------------------------------- + + /** + * Fetch the entire Re-routed URI string + * + * @access public + * @return string + */ + function ruri_string() + { + return '/'.implode('/', $this->rsegment_array()); + } + +} +// END URI Class + +/* End of file URI.php */ +/* Location: ./system/core/URI.php */ \ No newline at end of file diff --git a/system/core/Utf8.php b/system/core/Utf8.php new file mode 100644 index 0000000..2a27d1f --- /dev/null +++ b/system/core/Utf8.php @@ -0,0 +1,165 @@ +item('charset') == 'UTF-8' // Application charset must be UTF-8 + ) + { + log_message('debug', "UTF-8 Support Enabled"); + + define('UTF8_ENABLED', TRUE); + + // set internal encoding for multibyte string functions if necessary + // and set a flag so we don't have to repeatedly use extension_loaded() + // or function_exists() + if (extension_loaded('mbstring')) + { + define('MB_ENABLED', TRUE); + mb_internal_encoding('UTF-8'); + } + else + { + define('MB_ENABLED', FALSE); + } + } + else + { + log_message('debug', "UTF-8 Support Disabled"); + define('UTF8_ENABLED', FALSE); + } + } + + // -------------------------------------------------------------------- + + /** + * Clean UTF-8 strings + * + * Ensures strings are UTF-8 + * + * @access public + * @param string + * @return string + */ + function clean_string($str) + { + if ($this->_is_ascii($str) === FALSE) + { + $str = @iconv('UTF-8', 'UTF-8//IGNORE', $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Remove ASCII control characters + * + * Removes all ASCII control characters except horizontal tabs, + * line feeds, and carriage returns, as all others can cause + * problems in XML + * + * @access public + * @param string + * @return string + */ + function safe_ascii_for_xml($str) + { + return remove_invisible_characters($str, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Convert to UTF-8 + * + * Attempts to convert a string to UTF-8 + * + * @access public + * @param string + * @param string - input encoding + * @return string + */ + function convert_to_utf8($str, $encoding) + { + if (function_exists('iconv')) + { + $str = @iconv($encoding, 'UTF-8', $str); + } + elseif (function_exists('mb_convert_encoding')) + { + $str = @mb_convert_encoding($str, 'UTF-8', $encoding); + } + else + { + return FALSE; + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Is ASCII? + * + * Tests if a string is standard 7-bit ASCII or not + * + * @access public + * @param string + * @return bool + */ + function _is_ascii($str) + { + return (preg_match('/[^\x00-\x7F]/S', $str) == 0); + } + + // -------------------------------------------------------------------- + +} +// End Utf8 Class + +/* End of file Utf8.php */ +/* Location: ./system/core/Utf8.php */ \ No newline at end of file diff --git a/system/core/index.html b/system/core/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/core/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/DB.php b/system/database/DB.php new file mode 100755 index 0000000..8314d3b --- /dev/null +++ b/system/database/DB.php @@ -0,0 +1,162 @@ + $dns['scheme'], + 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '', + 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '', + 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '', + 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : '' + ); + + // were additional config items set? + if (isset($dns['query'])) + { + parse_str($dns['query'], $extra); + + foreach ($extra as $key => $val) + { + // booleans please + if (strtoupper($val) == "TRUE") + { + $val = TRUE; + } + elseif (strtoupper($val) == "FALSE") + { + $val = FALSE; + } + + $params[$key] = $val; + } + } + } + + // No DB specified yet? Beat them senseless... + if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '') + { + show_error('You have not selected a database type to connect to.'); + } + + // Load the DB classes. Note: Since the active record class is optional + // we need to dynamically create a class that extends proper parent class + // based on whether we're using the active record class or not. + // Kudos to Paul for discovering this clever use of eval() + + if ($active_record_override !== NULL) + { + $active_record = $active_record_override; + } + + require_once(BASEPATH.'database/DB_driver.php'); + + if ( ! isset($active_record) OR $active_record == TRUE) + { + require_once(BASEPATH.'database/DB_active_rec.php'); + + if ( ! class_exists('CI_DB')) + { + eval('class CI_DB extends CI_DB_active_record { }'); + } + } + else + { + if ( ! class_exists('CI_DB')) + { + eval('class CI_DB extends CI_DB_driver { }'); + } + } + + require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php'); + + // Instantiate the DB adapter + $driver = 'CI_DB_'.$params['dbdriver'].'_driver'; + $DB = new $driver($params); + + if ($DB->autoinit == TRUE) + { + $DB->initialize(); + } + + if (isset($params['stricton']) && $params['stricton'] == TRUE) + { + $DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"'); + } + + return $DB; +} + + + +/* End of file DB.php */ +/* Location: ./system/database/DB.php */ \ No newline at end of file diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php new file mode 100644 index 0000000..10febb1 --- /dev/null +++ b/system/database/DB_active_rec.php @@ -0,0 +1,2045 @@ +ar_select[] = $val; + $this->ar_no_escape[] = $escape; + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_select[] = $val; + $this->ar_cache_exists[] = 'select'; + $this->ar_cache_no_escape[] = $escape; + } + } + } + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Select Max + * + * Generates a SELECT MAX(field) portion of a query + * + * @param string the field + * @param string an alias + * @return object + */ + public function select_max($select = '', $alias = '') + { + return $this->_max_min_avg_sum($select, $alias, 'MAX'); + } + + // -------------------------------------------------------------------- + + /** + * Select Min + * + * Generates a SELECT MIN(field) portion of a query + * + * @param string the field + * @param string an alias + * @return object + */ + public function select_min($select = '', $alias = '') + { + return $this->_max_min_avg_sum($select, $alias, 'MIN'); + } + + // -------------------------------------------------------------------- + + /** + * Select Average + * + * Generates a SELECT AVG(field) portion of a query + * + * @param string the field + * @param string an alias + * @return object + */ + public function select_avg($select = '', $alias = '') + { + return $this->_max_min_avg_sum($select, $alias, 'AVG'); + } + + // -------------------------------------------------------------------- + + /** + * Select Sum + * + * Generates a SELECT SUM(field) portion of a query + * + * @param string the field + * @param string an alias + * @return object + */ + public function select_sum($select = '', $alias = '') + { + return $this->_max_min_avg_sum($select, $alias, 'SUM'); + } + + // -------------------------------------------------------------------- + + /** + * Processing Function for the four functions above: + * + * select_max() + * select_min() + * select_avg() + * select_sum() + * + * @param string the field + * @param string an alias + * @return object + */ + protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') + { + if ( ! is_string($select) OR $select == '') + { + $this->display_error('db_invalid_query'); + } + + $type = strtoupper($type); + + if ( ! in_array($type, array('MAX', 'MIN', 'AVG', 'SUM'))) + { + show_error('Invalid function type: '.$type); + } + + if ($alias == '') + { + $alias = $this->_create_alias_from_table(trim($select)); + } + + $sql = $type.'('.$this->_protect_identifiers(trim($select)).') AS '.$alias; + + $this->ar_select[] = $sql; + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_select[] = $sql; + $this->ar_cache_exists[] = 'select'; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Determines the alias name based on the table + * + * @param string + * @return string + */ + protected function _create_alias_from_table($item) + { + if (strpos($item, '.') !== FALSE) + { + return end(explode('.', $item)); + } + + return $item; + } + + // -------------------------------------------------------------------- + + /** + * DISTINCT + * + * Sets a flag which tells the query string compiler to add DISTINCT + * + * @param bool + * @return object + */ + public function distinct($val = TRUE) + { + $this->ar_distinct = (is_bool($val)) ? $val : TRUE; + return $this; + } + + // -------------------------------------------------------------------- + + /** + * From + * + * Generates the FROM portion of the query + * + * @param mixed can be a string or array + * @return object + */ + public function from($from) + { + foreach ((array) $from as $val) + { + if (strpos($val, ',') !== FALSE) + { + foreach (explode(',', $val) as $v) + { + $v = trim($v); + $this->_track_aliases($v); + + $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE); + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE); + $this->ar_cache_exists[] = 'from'; + } + } + + } + else + { + $val = trim($val); + + // Extract any aliases that might exist. We use this information + // in the _protect_identifiers to know whether to add a table prefix + $this->_track_aliases($val); + + $this->ar_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE); + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE); + $this->ar_cache_exists[] = 'from'; + } + } + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Join + * + * Generates the JOIN portion of the query + * + * @param string + * @param string the join condition + * @param string the type of join + * @return object + */ + public function join($table, $cond, $type = '') + { + if ($type != '') + { + $type = strtoupper(trim($type)); + + if ( ! in_array($type, array('LEFT', 'RIGHT', 'OUTER', 'INNER', 'LEFT OUTER', 'RIGHT OUTER'))) + { + $type = ''; + } + else + { + $type .= ' '; + } + } + + // Extract any aliases that might exist. We use this information + // in the _protect_identifiers to know whether to add a table prefix + $this->_track_aliases($table); + + // Strip apart the condition and protect the identifiers + if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match)) + { + $match[1] = $this->_protect_identifiers($match[1]); + $match[3] = $this->_protect_identifiers($match[3]); + + $cond = $match[1].$match[2].$match[3]; + } + + // Assemble the JOIN statement + $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond; + + $this->ar_join[] = $join; + if ($this->ar_caching === TRUE) + { + $this->ar_cache_join[] = $join; + $this->ar_cache_exists[] = 'join'; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Where + * + * Generates the WHERE portion of the query. Separates + * multiple calls with AND + * + * @param mixed + * @param mixed + * @return object + */ + public function where($key, $value = NULL, $escape = TRUE) + { + return $this->_where($key, $value, 'AND ', $escape); + } + + // -------------------------------------------------------------------- + + /** + * OR Where + * + * Generates the WHERE portion of the query. Separates + * multiple calls with OR + * + * @param mixed + * @param mixed + * @return object + */ + public function or_where($key, $value = NULL, $escape = TRUE) + { + return $this->_where($key, $value, 'OR ', $escape); + } + + // -------------------------------------------------------------------- + + /** + * Where + * + * Called by where() or or_where() + * + * @param mixed + * @param mixed + * @param string + * @return object + */ + protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) + { + if ( ! is_array($key)) + { + $key = array($key => $value); + } + + // If the escape value was not set will will base it on the global setting + if ( ! is_bool($escape)) + { + $escape = $this->_protect_identifiers; + } + + foreach ($key as $k => $v) + { + $prefix = (count($this->ar_where) == 0 AND count($this->ar_cache_where) == 0) ? '' : $type; + + if (is_null($v) && ! $this->_has_operator($k)) + { + // value appears not to have been set, assign the test to IS NULL + $k .= ' IS NULL'; + } + + if ( ! is_null($v)) + { + if ($escape === TRUE) + { + $k = $this->_protect_identifiers($k, FALSE, $escape); + + $v = ' '.$this->escape($v); + } + + if ( ! $this->_has_operator($k)) + { + $k .= ' = '; + } + } + else + { + $k = $this->_protect_identifiers($k, FALSE, $escape); + } + + $this->ar_where[] = $prefix.$k.$v; + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_where[] = $prefix.$k.$v; + $this->ar_cache_exists[] = 'where'; + } + + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Where_in + * + * Generates a WHERE field IN ('item', 'item') SQL query joined with + * AND if appropriate + * + * @param string The field to search + * @param array The values searched on + * @return object + */ + public function where_in($key = NULL, $values = NULL) + { + return $this->_where_in($key, $values); + } + + // -------------------------------------------------------------------- + + /** + * Where_in_or + * + * Generates a WHERE field IN ('item', 'item') SQL query joined with + * OR if appropriate + * + * @param string The field to search + * @param array The values searched on + * @return object + */ + public function or_where_in($key = NULL, $values = NULL) + { + return $this->_where_in($key, $values, FALSE, 'OR '); + } + + // -------------------------------------------------------------------- + + /** + * Where_not_in + * + * Generates a WHERE field NOT IN ('item', 'item') SQL query joined + * with AND if appropriate + * + * @param string The field to search + * @param array The values searched on + * @return object + */ + public function where_not_in($key = NULL, $values = NULL) + { + return $this->_where_in($key, $values, TRUE); + } + + // -------------------------------------------------------------------- + + /** + * Where_not_in_or + * + * Generates a WHERE field NOT IN ('item', 'item') SQL query joined + * with OR if appropriate + * + * @param string The field to search + * @param array The values searched on + * @return object + */ + public function or_where_not_in($key = NULL, $values = NULL) + { + return $this->_where_in($key, $values, TRUE, 'OR '); + } + + // -------------------------------------------------------------------- + + /** + * Where_in + * + * Called by where_in, where_in_or, where_not_in, where_not_in_or + * + * @param string The field to search + * @param array The values searched on + * @param boolean If the statement would be IN or NOT IN + * @param string + * @return object + */ + protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ') + { + if ($key === NULL OR $values === NULL) + { + return; + } + + if ( ! is_array($values)) + { + $values = array($values); + } + + $not = ($not) ? ' NOT' : ''; + + foreach ($values as $value) + { + $this->ar_wherein[] = $this->escape($value); + } + + $prefix = (count($this->ar_where) == 0) ? '' : $type; + + $where_in = $prefix . $this->_protect_identifiers($key) . $not . " IN (" . implode(", ", $this->ar_wherein) . ") "; + + $this->ar_where[] = $where_in; + if ($this->ar_caching === TRUE) + { + $this->ar_cache_where[] = $where_in; + $this->ar_cache_exists[] = 'where'; + } + + // reset the array for multiple calls + $this->ar_wherein = array(); + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Like + * + * Generates a %LIKE% portion of the query. Separates + * multiple calls with AND + * + * @param mixed + * @param mixed + * @return object + */ + public function like($field, $match = '', $side = 'both') + { + return $this->_like($field, $match, 'AND ', $side); + } + + // -------------------------------------------------------------------- + + /** + * Not Like + * + * Generates a NOT LIKE portion of the query. Separates + * multiple calls with AND + * + * @param mixed + * @param mixed + * @return object + */ + public function not_like($field, $match = '', $side = 'both') + { + return $this->_like($field, $match, 'AND ', $side, 'NOT'); + } + + // -------------------------------------------------------------------- + + /** + * OR Like + * + * Generates a %LIKE% portion of the query. Separates + * multiple calls with OR + * + * @param mixed + * @param mixed + * @return object + */ + public function or_like($field, $match = '', $side = 'both') + { + return $this->_like($field, $match, 'OR ', $side); + } + + // -------------------------------------------------------------------- + + /** + * OR Not Like + * + * Generates a NOT LIKE portion of the query. Separates + * multiple calls with OR + * + * @param mixed + * @param mixed + * @return object + */ + public function or_not_like($field, $match = '', $side = 'both') + { + return $this->_like($field, $match, 'OR ', $side, 'NOT'); + } + + // -------------------------------------------------------------------- + + /** + * Like + * + * Called by like() or orlike() + * + * @param mixed + * @param mixed + * @param string + * @return object + */ + protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') + { + if ( ! is_array($field)) + { + $field = array($field => $match); + } + + foreach ($field as $k => $v) + { + $k = $this->_protect_identifiers($k); + + $prefix = (count($this->ar_like) == 0) ? '' : $type; + + $v = $this->escape_like_str($v); + + if ($side == 'none') + { + $like_statement = $prefix." $k $not LIKE '{$v}'"; + } + elseif ($side == 'before') + { + $like_statement = $prefix." $k $not LIKE '%{$v}'"; + } + elseif ($side == 'after') + { + $like_statement = $prefix." $k $not LIKE '{$v}%'"; + } + else + { + $like_statement = $prefix." $k $not LIKE '%{$v}%'"; + } + + // some platforms require an escape sequence definition for LIKE wildcards + if ($this->_like_escape_str != '') + { + $like_statement = $like_statement.sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + + $this->ar_like[] = $like_statement; + if ($this->ar_caching === TRUE) + { + $this->ar_cache_like[] = $like_statement; + $this->ar_cache_exists[] = 'like'; + } + + } + return $this; + } + + // -------------------------------------------------------------------- + + /** + * GROUP BY + * + * @param string + * @return object + */ + public function group_by($by) + { + if (is_string($by)) + { + $by = explode(',', $by); + } + + foreach ($by as $val) + { + $val = trim($val); + + if ($val != '') + { + $this->ar_groupby[] = $this->_protect_identifiers($val); + + if ($this->ar_caching === TRUE) + { + $this->ar_cache_groupby[] = $this->_protect_identifiers($val); + $this->ar_cache_exists[] = 'groupby'; + } + } + } + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Sets the HAVING value + * + * Separates multiple calls with AND + * + * @param string + * @param string + * @return object + */ + public function having($key, $value = '', $escape = TRUE) + { + return $this->_having($key, $value, 'AND ', $escape); + } + + // -------------------------------------------------------------------- + + /** + * Sets the OR HAVING value + * + * Separates multiple calls with OR + * + * @param string + * @param string + * @return object + */ + public function or_having($key, $value = '', $escape = TRUE) + { + return $this->_having($key, $value, 'OR ', $escape); + } + + // -------------------------------------------------------------------- + + /** + * Sets the HAVING values + * + * Called by having() or or_having() + * + * @param string + * @param string + * @return object + */ + protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE) + { + if ( ! is_array($key)) + { + $key = array($key => $value); + } + + foreach ($key as $k => $v) + { + $prefix = (count($this->ar_having) == 0) ? '' : $type; + + if ($escape === TRUE) + { + $k = $this->_protect_identifiers($k); + } + + if ( ! $this->_has_operator($k)) + { + $k .= ' = '; + } + + if ($v != '') + { + $v = ' '.$this->escape($v); + } + + $this->ar_having[] = $prefix.$k.$v; + if ($this->ar_caching === TRUE) + { + $this->ar_cache_having[] = $prefix.$k.$v; + $this->ar_cache_exists[] = 'having'; + } + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Sets the ORDER BY value + * + * @param string + * @param string direction: asc or desc + * @return object + */ + public function order_by($orderby, $direction = '') + { + if (strtolower($direction) == 'random') + { + $orderby = ''; // Random results want or don't need a field name + $direction = $this->_random_keyword; + } + elseif (trim($direction) != '') + { + $direction = (in_array(strtoupper(trim($direction)), array('ASC', 'DESC'), TRUE)) ? ' '.$direction : ' ASC'; + } + + + if (strpos($orderby, ',') !== FALSE) + { + $temp = array(); + foreach (explode(',', $orderby) as $part) + { + $part = trim($part); + if ( ! in_array($part, $this->ar_aliased_tables)) + { + $part = $this->_protect_identifiers(trim($part)); + } + + $temp[] = $part; + } + + $orderby = implode(', ', $temp); + } + else if ($direction != $this->_random_keyword) + { + $orderby = $this->_protect_identifiers($orderby); + } + + $orderby_statement = $orderby.$direction; + + $this->ar_orderby[] = $orderby_statement; + if ($this->ar_caching === TRUE) + { + $this->ar_cache_orderby[] = $orderby_statement; + $this->ar_cache_exists[] = 'orderby'; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Sets the LIMIT value + * + * @param integer the limit value + * @param integer the offset value + * @return object + */ + public function limit($value, $offset = '') + { + $this->ar_limit = (int) $value; + + if ($offset != '') + { + $this->ar_offset = (int) $offset; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Sets the OFFSET value + * + * @param integer the offset value + * @return object + */ + public function offset($offset) + { + $this->ar_offset = $offset; + return $this; + } + + // -------------------------------------------------------------------- + + /** + * The "set" function. Allows key/value pairs to be set for inserting or updating + * + * @param mixed + * @param string + * @param boolean + * @return object + */ + public function set($key, $value = '', $escape = TRUE) + { + $key = $this->_object_to_array($key); + + if ( ! is_array($key)) + { + $key = array($key => $value); + } + + foreach ($key as $k => $v) + { + if ($escape === FALSE) + { + $this->ar_set[$this->_protect_identifiers($k)] = $v; + } + else + { + $this->ar_set[$this->_protect_identifiers($k, FALSE, TRUE)] = $this->escape($v); + } + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Get + * + * Compiles the select statement based on the other functions called + * and runs the query + * + * @param string the table + * @param string the limit clause + * @param string the offset clause + * @return object + */ + public function get($table = '', $limit = null, $offset = null) + { + if ($table != '') + { + $this->_track_aliases($table); + $this->from($table); + } + + if ( ! is_null($limit)) + { + $this->limit($limit, $offset); + } + + $sql = $this->_compile_select(); + + $result = $this->query($sql); + $this->_reset_select(); + return $result; + } + + /** + * "Count All Results" query + * + * Generates a platform-specific query string that counts all records + * returned by an Active Record query. + * + * @param string + * @return string + */ + public function count_all_results($table = '') + { + if ($table != '') + { + $this->_track_aliases($table); + $this->from($table); + } + + $sql = $this->_compile_select($this->_count_string . $this->_protect_identifiers('numrows')); + + $query = $this->query($sql); + $this->_reset_select(); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Get_Where + * + * Allows the where clause, limit and offset to be added directly + * + * @param string the where clause + * @param string the limit clause + * @param string the offset clause + * @return object + */ + public function get_where($table = '', $where = null, $limit = null, $offset = null) + { + if ($table != '') + { + $this->from($table); + } + + if ( ! is_null($where)) + { + $this->where($where); + } + + if ( ! is_null($limit)) + { + $this->limit($limit, $offset); + } + + $sql = $this->_compile_select(); + + $result = $this->query($sql); + $this->_reset_select(); + return $result; + } + + // -------------------------------------------------------------------- + + /** + * Insert_Batch + * + * Compiles batch insert strings and runs the queries + * + * @param string the table to retrieve the results from + * @param array an associative array of insert values + * @return object + */ + public function insert_batch($table = '', $set = NULL) + { + if ( ! is_null($set)) + { + $this->set_insert_batch($set); + } + + if (count($this->ar_set) == 0) + { + if ($this->db_debug) + { + //No valid data array. Folds in cases where keys and values did not match up + return $this->display_error('db_must_use_set'); + } + return FALSE; + } + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + + // Batch this baby + for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100) + { + + $sql = $this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100)); + + //echo $sql; + + $this->query($sql); + } + + $this->_reset_write(); + + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts + * + * @param mixed + * @param string + * @param boolean + * @return object + */ + public function set_insert_batch($key, $value = '', $escape = TRUE) + { + $key = $this->_object_to_array_batch($key); + + if ( ! is_array($key)) + { + $key = array($key => $value); + } + + $keys = array_keys(current($key)); + sort($keys); + + foreach ($key as $row) + { + if (count(array_diff($keys, array_keys($row))) > 0 OR count(array_diff(array_keys($row), $keys)) > 0) + { + // batch function above returns an error on an empty array + $this->ar_set[] = array(); + return; + } + + ksort($row); // puts $row in the same order as our keys + + if ($escape === FALSE) + { + $this->ar_set[] = '('.implode(',', $row).')'; + } + else + { + $clean = array(); + + foreach ($row as $value) + { + $clean[] = $this->escape($value); + } + + $this->ar_set[] = '('.implode(',', $clean).')'; + } + } + + foreach ($keys as $k) + { + $this->ar_keys[] = $this->_protect_identifiers($k); + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Insert + * + * Compiles an insert string and runs the query + * + * @param string the table to insert data into + * @param array an associative array of insert values + * @return object + */ + function insert($table = '', $set = NULL) + { + if ( ! is_null($set)) + { + $this->set($set); + } + + if (count($this->ar_set) == 0) + { + if ($this->db_debug) + { + return $this->display_error('db_must_use_set'); + } + return FALSE; + } + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + + $sql = $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set)); + + $this->_reset_write(); + return $this->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Replace + * + * Compiles an replace into string and runs the query + * + * @param string the table to replace data into + * @param array an associative array of insert values + * @return object + */ + public function replace($table = '', $set = NULL) + { + if ( ! is_null($set)) + { + $this->set($set); + } + + if (count($this->ar_set) == 0) + { + if ($this->db_debug) + { + return $this->display_error('db_must_use_set'); + } + return FALSE; + } + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + + $sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set)); + + $this->_reset_write(); + return $this->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Update + * + * Compiles an update string and runs the query + * + * @param string the table to retrieve the results from + * @param array an associative array of update values + * @param mixed the where clause + * @return object + */ + public function update($table = '', $set = NULL, $where = NULL, $limit = NULL) + { + // Combine any cached components with the current statements + $this->_merge_cache(); + + if ( ! is_null($set)) + { + $this->set($set); + } + + if (count($this->ar_set) == 0) + { + if ($this->db_debug) + { + return $this->display_error('db_must_use_set'); + } + return FALSE; + } + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + + if ($where != NULL) + { + $this->where($where); + } + + if ($limit != NULL) + { + $this->limit($limit); + } + + $sql = $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit); + + $this->_reset_write(); + return $this->query($sql); + } + + + // -------------------------------------------------------------------- + + /** + * Update_Batch + * + * Compiles an update string and runs the query + * + * @param string the table to retrieve the results from + * @param array an associative array of update values + * @param string the where key + * @return object + */ + public function update_batch($table = '', $set = NULL, $index = NULL) + { + // Combine any cached components with the current statements + $this->_merge_cache(); + + if (is_null($index)) + { + if ($this->db_debug) + { + return $this->display_error('db_must_use_index'); + } + + return FALSE; + } + + if ( ! is_null($set)) + { + $this->set_update_batch($set, $index); + } + + if (count($this->ar_set) == 0) + { + if ($this->db_debug) + { + return $this->display_error('db_must_use_set'); + } + + return FALSE; + } + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + + // Batch this baby + for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100) + { + $sql = $this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where); + + $this->query($sql); + } + + $this->_reset_write(); + } + + // -------------------------------------------------------------------- + + /** + * The "set_update_batch" function. Allows key/value pairs to be set for batch updating + * + * @param array + * @param string + * @param boolean + * @return object + */ + public function set_update_batch($key, $index = '', $escape = TRUE) + { + $key = $this->_object_to_array_batch($key); + + if ( ! is_array($key)) + { + // @todo error + } + + foreach ($key as $k => $v) + { + $index_set = FALSE; + $clean = array(); + + foreach ($v as $k2 => $v2) + { + if ($k2 == $index) + { + $index_set = TRUE; + } + else + { + $not[] = $k.'-'.$v; + } + + if ($escape === FALSE) + { + $clean[$this->_protect_identifiers($k2)] = $v2; + } + else + { + $clean[$this->_protect_identifiers($k2)] = $this->escape($v2); + } + } + + if ($index_set == FALSE) + { + return $this->display_error('db_batch_missing_index'); + } + + $this->ar_set[] = $clean; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Empty Table + * + * Compiles a delete string and runs "DELETE FROM table" + * + * @param string the table to empty + * @return object + */ + public function empty_table($table = '') + { + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + else + { + $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + $sql = $this->_delete($table); + + $this->_reset_write(); + + return $this->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Truncate + * + * Compiles a truncate string and runs the query + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @param string the table to truncate + * @return object + */ + public function truncate($table = '') + { + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + else + { + $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + $sql = $this->_truncate($table); + + $this->_reset_write(); + + return $this->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Delete + * + * Compiles a delete string and runs the query + * + * @param mixed the table(s) to delete from. String or array + * @param mixed the where clause + * @param mixed the limit clause + * @param boolean + * @return object + */ + public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE) + { + // Combine any cached components with the current statements + $this->_merge_cache(); + + if ($table == '') + { + if ( ! isset($this->ar_from[0])) + { + if ($this->db_debug) + { + return $this->display_error('db_must_set_table'); + } + return FALSE; + } + + $table = $this->ar_from[0]; + } + elseif (is_array($table)) + { + foreach ($table as $single_table) + { + $this->delete($single_table, $where, $limit, FALSE); + } + + $this->_reset_write(); + return; + } + else + { + $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + if ($where != '') + { + $this->where($where); + } + + if ($limit != NULL) + { + $this->limit($limit); + } + + if (count($this->ar_where) == 0 && count($this->ar_wherein) == 0 && count($this->ar_like) == 0) + { + if ($this->db_debug) + { + return $this->display_error('db_del_must_use_where'); + } + + return FALSE; + } + + $sql = $this->_delete($table, $this->ar_where, $this->ar_like, $this->ar_limit); + + if ($reset_data) + { + $this->_reset_write(); + } + + return $this->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * DB Prefix + * + * Prepends a database prefix if one exists in configuration + * + * @param string the table + * @return string + */ + public function dbprefix($table = '') + { + if ($table == '') + { + $this->display_error('db_table_name_required'); + } + + return $this->dbprefix.$table; + } + + // -------------------------------------------------------------------- + + /** + * Set DB Prefix + * + * Set's the DB Prefix to something new without needing to reconnect + * + * @param string the prefix + * @return string + */ + public function set_dbprefix($prefix = '') + { + return $this->dbprefix = $prefix; + } + + // -------------------------------------------------------------------- + + /** + * Track Aliases + * + * Used to track SQL statements written with aliased tables. + * + * @param string The table to inspect + * @return string + */ + protected function _track_aliases($table) + { + if (is_array($table)) + { + foreach ($table as $t) + { + $this->_track_aliases($t); + } + return; + } + + // Does the string contain a comma? If so, we need to separate + // the string into discreet statements + if (strpos($table, ',') !== FALSE) + { + return $this->_track_aliases(explode(',', $table)); + } + + // if a table alias is used we can recognize it by a space + if (strpos($table, " ") !== FALSE) + { + // if the alias is written with the AS keyword, remove it + $table = preg_replace('/\s+AS\s+/i', ' ', $table); + + // Grab the alias + $table = trim(strrchr($table, " ")); + + // Store the alias, if it doesn't already exist + if ( ! in_array($table, $this->ar_aliased_tables)) + { + $this->ar_aliased_tables[] = $table; + } + } + } + + // -------------------------------------------------------------------- + + /** + * Compile the SELECT statement + * + * Generates a query string based on which functions were used. + * Should not be called directly. The get() function calls it. + * + * @return string + */ + protected function _compile_select($select_override = FALSE) + { + // Combine any cached components with the current statements + $this->_merge_cache(); + + // ---------------------------------------------------------------- + + // Write the "select" portion of the query + + if ($select_override !== FALSE) + { + $sql = $select_override; + } + else + { + $sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT '; + + if (count($this->ar_select) == 0) + { + $sql .= '*'; + } + else + { + // Cycle through the "select" portion of the query and prep each column name. + // The reason we protect identifiers here rather then in the select() function + // is because until the user calls the from() function we don't know if there are aliases + foreach ($this->ar_select as $key => $val) + { + $no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL; + $this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape); + } + + $sql .= implode(', ', $this->ar_select); + } + } + + // ---------------------------------------------------------------- + + // Write the "FROM" portion of the query + + if (count($this->ar_from) > 0) + { + $sql .= "\nFROM "; + + $sql .= $this->_from_tables($this->ar_from); + } + + // ---------------------------------------------------------------- + + // Write the "JOIN" portion of the query + + if (count($this->ar_join) > 0) + { + $sql .= "\n"; + + $sql .= implode("\n", $this->ar_join); + } + + // ---------------------------------------------------------------- + + // Write the "WHERE" portion of the query + + if (count($this->ar_where) > 0 OR count($this->ar_like) > 0) + { + $sql .= "\nWHERE "; + } + + $sql .= implode("\n", $this->ar_where); + + // ---------------------------------------------------------------- + + // Write the "LIKE" portion of the query + + if (count($this->ar_like) > 0) + { + if (count($this->ar_where) > 0) + { + $sql .= "\nAND "; + } + + $sql .= implode("\n", $this->ar_like); + } + + // ---------------------------------------------------------------- + + // Write the "GROUP BY" portion of the query + + if (count($this->ar_groupby) > 0) + { + $sql .= "\nGROUP BY "; + + $sql .= implode(', ', $this->ar_groupby); + } + + // ---------------------------------------------------------------- + + // Write the "HAVING" portion of the query + + if (count($this->ar_having) > 0) + { + $sql .= "\nHAVING "; + $sql .= implode("\n", $this->ar_having); + } + + // ---------------------------------------------------------------- + + // Write the "ORDER BY" portion of the query + + if (count($this->ar_orderby) > 0) + { + $sql .= "\nORDER BY "; + $sql .= implode(', ', $this->ar_orderby); + + if ($this->ar_order !== FALSE) + { + $sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC'; + } + } + + // ---------------------------------------------------------------- + + // Write the "LIMIT" portion of the query + + if (is_numeric($this->ar_limit)) + { + $sql .= "\n"; + $sql = $this->_limit($sql, $this->ar_limit, $this->ar_offset); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Object to Array + * + * Takes an object as input and converts the class variables to array key/vals + * + * @param object + * @return array + */ + public function _object_to_array($object) + { + if ( ! is_object($object)) + { + return $object; + } + + $array = array(); + foreach (get_object_vars($object) as $key => $val) + { + // There are some built in keys we need to ignore for this conversion + if ( ! is_object($val) && ! is_array($val) && $key != '_parent_name') + { + $array[$key] = $val; + } + } + + return $array; + } + + // -------------------------------------------------------------------- + + /** + * Object to Array + * + * Takes an object as input and converts the class variables to array key/vals + * + * @param object + * @return array + */ + public function _object_to_array_batch($object) + { + if ( ! is_object($object)) + { + return $object; + } + + $array = array(); + $out = get_object_vars($object); + $fields = array_keys($out); + + foreach ($fields as $val) + { + // There are some built in keys we need to ignore for this conversion + if ($val != '_parent_name') + { + + $i = 0; + foreach ($out[$val] as $data) + { + $array[$i][$val] = $data; + $i++; + } + } + } + + return $array; + } + + // -------------------------------------------------------------------- + + /** + * Start Cache + * + * Starts AR caching + * + * @return void + */ + public function start_cache() + { + $this->ar_caching = TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Stop Cache + * + * Stops AR caching + * + * @return void + */ + public function stop_cache() + { + $this->ar_caching = FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Flush Cache + * + * Empties the AR cache + * + * @access public + * @return void + */ + public function flush_cache() + { + $this->_reset_run(array( + 'ar_cache_select' => array(), + 'ar_cache_from' => array(), + 'ar_cache_join' => array(), + 'ar_cache_where' => array(), + 'ar_cache_like' => array(), + 'ar_cache_groupby' => array(), + 'ar_cache_having' => array(), + 'ar_cache_orderby' => array(), + 'ar_cache_set' => array(), + 'ar_cache_exists' => array(), + 'ar_cache_no_escape' => array() + )); + } + + // -------------------------------------------------------------------- + + /** + * Merge Cache + * + * When called, this function merges any cached AR arrays with + * locally called ones. + * + * @return void + */ + protected function _merge_cache() + { + if (count($this->ar_cache_exists) == 0) + { + return; + } + + foreach ($this->ar_cache_exists as $val) + { + $ar_variable = 'ar_'.$val; + $ar_cache_var = 'ar_cache_'.$val; + + if (count($this->$ar_cache_var) == 0) + { + continue; + } + + $this->$ar_variable = array_unique(array_merge($this->$ar_cache_var, $this->$ar_variable)); + } + + // If we are "protecting identifiers" we need to examine the "from" + // portion of the query to determine if there are any aliases + if ($this->_protect_identifiers === TRUE AND count($this->ar_cache_from) > 0) + { + $this->_track_aliases($this->ar_from); + } + + $this->ar_no_escape = $this->ar_cache_no_escape; + } + + // -------------------------------------------------------------------- + + /** + * Resets the active record values. Called by the get() function + * + * @param array An array of fields to reset + * @return void + */ + protected function _reset_run($ar_reset_items) + { + foreach ($ar_reset_items as $item => $default_value) + { + if ( ! in_array($item, $this->ar_store_array)) + { + $this->$item = $default_value; + } + } + } + + // -------------------------------------------------------------------- + + /** + * Resets the active record values. Called by the get() function + * + * @return void + */ + protected function _reset_select() + { + $ar_reset_items = array( + 'ar_select' => array(), + 'ar_from' => array(), + 'ar_join' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_groupby' => array(), + 'ar_having' => array(), + 'ar_orderby' => array(), + 'ar_wherein' => array(), + 'ar_aliased_tables' => array(), + 'ar_no_escape' => array(), + 'ar_distinct' => FALSE, + 'ar_limit' => FALSE, + 'ar_offset' => FALSE, + 'ar_order' => FALSE, + ); + + $this->_reset_run($ar_reset_items); + } + + // -------------------------------------------------------------------- + + /** + * Resets the active record "write" values. + * + * Called by the insert() update() insert_batch() update_batch() and delete() functions + * + * @return void + */ + protected function _reset_write() + { + $ar_reset_items = array( + 'ar_set' => array(), + 'ar_from' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_orderby' => array(), + 'ar_keys' => array(), + 'ar_limit' => FALSE, + 'ar_order' => FALSE + ); + + $this->_reset_run($ar_reset_items); + } +} + +/* End of file DB_active_rec.php */ +/* Location: ./system/database/DB_active_rec.php */ \ No newline at end of file diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php new file mode 100644 index 0000000..ad1c28d --- /dev/null +++ b/system/database/DB_cache.php @@ -0,0 +1,195 @@ +CI + // and load the file helper since we use it a lot + $this->CI =& get_instance(); + $this->db =& $db; + $this->CI->load->helper('file'); + } + + // -------------------------------------------------------------------- + + /** + * Set Cache Directory Path + * + * @access public + * @param string the path to the cache directory + * @return bool + */ + function check_path($path = '') + { + if ($path == '') + { + if ($this->db->cachedir == '') + { + return $this->db->cache_off(); + } + + $path = $this->db->cachedir; + } + + // Add a trailing slash to the path if needed + $path = preg_replace("/(.+?)\/*$/", "\\1/", $path); + + if ( ! is_dir($path) OR ! is_really_writable($path)) + { + // If the path is wrong we'll turn off caching + return $this->db->cache_off(); + } + + $this->db->cachedir = $path; + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Retrieve a cached query + * + * The URI being requested will become the name of the cache sub-folder. + * An MD5 hash of the SQL statement will become the cache file name + * + * @access public + * @return string + */ + function read($sql) + { + if ( ! $this->check_path()) + { + return $this->db->cache_off(); + } + + $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); + + $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); + + $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql); + + if (FALSE === ($cachedata = read_file($filepath))) + { + return FALSE; + } + + return unserialize($cachedata); + } + + // -------------------------------------------------------------------- + + /** + * Write a query to a cache file + * + * @access public + * @return bool + */ + function write($sql, $object) + { + if ( ! $this->check_path()) + { + return $this->db->cache_off(); + } + + $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); + + $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); + + $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'; + + $filename = md5($sql); + + if ( ! @is_dir($dir_path)) + { + if ( ! @mkdir($dir_path, DIR_WRITE_MODE)) + { + return FALSE; + } + + @chmod($dir_path, DIR_WRITE_MODE); + } + + if (write_file($dir_path.$filename, serialize($object)) === FALSE) + { + return FALSE; + } + + @chmod($dir_path.$filename, FILE_WRITE_MODE); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Delete cache files within a particular directory + * + * @access public + * @return bool + */ + function delete($segment_one = '', $segment_two = '') + { + if ($segment_one == '') + { + $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); + } + + if ($segment_two == '') + { + $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); + } + + $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'; + + delete_files($dir_path, TRUE); + } + + // -------------------------------------------------------------------- + + /** + * Delete all existing cache files + * + * @access public + * @return bool + */ + function delete_all() + { + delete_files($this->db->cachedir, TRUE); + } + +} + + +/* End of file DB_cache.php */ +/* Location: ./system/database/DB_cache.php */ \ No newline at end of file diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php new file mode 100644 index 0000000..775fd33 --- /dev/null +++ b/system/database/DB_driver.php @@ -0,0 +1,1410 @@ + $val) + { + $this->$key = $val; + } + } + + log_message('debug', 'Database Driver Class Initialized'); + } + + // -------------------------------------------------------------------- + + /** + * Initialize Database Settings + * + * @access private Called by the constructor + * @param mixed + * @return void + */ + function initialize() + { + // If an existing connection resource is available + // there is no need to connect and select the database + if (is_resource($this->conn_id) OR is_object($this->conn_id)) + { + return TRUE; + } + + // ---------------------------------------------------------------- + + // Connect to the database and set the connection ID + $this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect(); + + // No connection resource? Throw an error + if ( ! $this->conn_id) + { + log_message('error', 'Unable to connect to the database'); + + if ($this->db_debug) + { + $this->display_error('db_unable_to_connect'); + } + return FALSE; + } + + // ---------------------------------------------------------------- + + // Select the DB... assuming a database name is specified in the config file + if ($this->database != '') + { + if ( ! $this->db_select()) + { + log_message('error', 'Unable to select database: '.$this->database); + + if ($this->db_debug) + { + $this->display_error('db_unable_to_select', $this->database); + } + return FALSE; + } + else + { + // We've selected the DB. Now we set the character set + if ( ! $this->db_set_charset($this->char_set, $this->dbcollat)) + { + return FALSE; + } + + return TRUE; + } + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat)) + { + log_message('error', 'Unable to set database connection charset: '.$this->char_set); + + if ($this->db_debug) + { + $this->display_error('db_unable_to_set_charset', $this->char_set); + } + + return FALSE; + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * The name of the platform in use (mysql, mssql, etc...) + * + * @access public + * @return string + */ + function platform() + { + return $this->dbdriver; + } + + // -------------------------------------------------------------------- + + /** + * Database Version Number. Returns a string containing the + * version of the database being used + * + * @access public + * @return string + */ + function version() + { + if (FALSE === ($sql = $this->_version())) + { + if ($this->db_debug) + { + return $this->display_error('db_unsupported_function'); + } + return FALSE; + } + + // Some DBs have functions that return the version, and don't run special + // SQL queries per se. In these instances, just return the result. + $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid'); + + if (in_array($this->dbdriver, $driver_version_exceptions)) + { + return $sql; + } + else + { + $query = $this->query($sql); + return $query->row('ver'); + } + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * Accepts an SQL string as input and returns a result object upon + * successful execution of a "read" type query. Returns boolean TRUE + * upon successful execution of a "write" type query. Returns boolean + * FALSE upon failure, and if the $db_debug variable is set to TRUE + * will raise an error. + * + * @access public + * @param string An SQL query string + * @param array An array of binding data + * @return mixed + */ + function query($sql, $binds = FALSE, $return_object = TRUE) + { + if ($sql == '') + { + if ($this->db_debug) + { + log_message('error', 'Invalid query: '.$sql); + return $this->display_error('db_invalid_query'); + } + return FALSE; + } + + // Verify table prefix and replace if necessary + if ( ($this->dbprefix != '' AND $this->swap_pre != '') AND ($this->dbprefix != $this->swap_pre) ) + { + $sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql); + } + + // Compile binds if needed + if ($binds !== FALSE) + { + $sql = $this->compile_binds($sql, $binds); + } + + // Is query caching enabled? If the query is a "read type" + // we will load the caching class and return the previously + // cached query if it exists + if ($this->cache_on == TRUE AND stristr($sql, 'SELECT')) + { + if ($this->_cache_init()) + { + $this->load_rdriver(); + if (FALSE !== ($cache = $this->CACHE->read($sql))) + { + return $cache; + } + } + } + + // Save the query for debugging + if ($this->save_queries == TRUE) + { + $this->queries[] = $sql; + } + + // Start the Query Timer + $time_start = list($sm, $ss) = explode(' ', microtime()); + + // Run the Query + if (FALSE === ($this->result_id = $this->simple_query($sql))) + { + if ($this->save_queries == TRUE) + { + $this->query_times[] = 0; + } + + // This will trigger a rollback if transactions are being used + $this->_trans_status = FALSE; + + if ($this->db_debug) + { + // grab the error number and message now, as we might run some + // additional queries before displaying the error + $error_no = $this->_error_number(); + $error_msg = $this->_error_message(); + + // We call this function in order to roll-back queries + // if transactions are enabled. If we don't call this here + // the error message will trigger an exit, causing the + // transactions to remain in limbo. + $this->trans_complete(); + + // Log and display errors + log_message('error', 'Query error: '.$error_msg); + return $this->display_error( + array( + 'Error Number: '.$error_no, + $error_msg, + $sql + ) + ); + } + + return FALSE; + } + + // Stop and aggregate the query time results + $time_end = list($em, $es) = explode(' ', microtime()); + $this->benchmark += ($em + $es) - ($sm + $ss); + + if ($this->save_queries == TRUE) + { + $this->query_times[] = ($em + $es) - ($sm + $ss); + } + + // Increment the query counter + $this->query_count++; + + // Was the query a "write" type? + // If so we'll simply return true + if ($this->is_write_type($sql) === TRUE) + { + // If caching is enabled we'll auto-cleanup any + // existing files related to this particular URI + if ($this->cache_on == TRUE AND $this->cache_autodel == TRUE AND $this->_cache_init()) + { + $this->CACHE->delete(); + } + + return TRUE; + } + + // Return TRUE if we don't need to create a result object + // Currently only the Oracle driver uses this when stored + // procedures are used + if ($return_object !== TRUE) + { + return TRUE; + } + + // Load and instantiate the result driver + + $driver = $this->load_rdriver(); + $RES = new $driver(); + $RES->conn_id = $this->conn_id; + $RES->result_id = $this->result_id; + + if ($this->dbdriver == 'oci8') + { + $RES->stmt_id = $this->stmt_id; + $RES->curs_id = NULL; + $RES->limit_used = $this->limit_used; + $this->stmt_id = FALSE; + } + + // oci8 vars must be set before calling this + $RES->num_rows = $RES->num_rows(); + + // Is query caching enabled? If so, we'll serialize the + // result object and save it to a cache file. + if ($this->cache_on == TRUE AND $this->_cache_init()) + { + // We'll create a new instance of the result object + // only without the platform specific driver since + // we can't use it with cached data (the query result + // resource ID won't be any good once we've cached the + // result object, so we'll have to compile the data + // and save it) + $CR = new CI_DB_result(); + $CR->num_rows = $RES->num_rows(); + $CR->result_object = $RES->result_object(); + $CR->result_array = $RES->result_array(); + + // Reset these since cached objects can not utilize resource IDs. + $CR->conn_id = NULL; + $CR->result_id = NULL; + + $this->CACHE->write($sql, $CR); + } + + return $RES; + } + + // -------------------------------------------------------------------- + + /** + * Load the result drivers + * + * @access public + * @return string the name of the result class + */ + function load_rdriver() + { + $driver = 'CI_DB_'.$this->dbdriver.'_result'; + + if ( ! class_exists($driver)) + { + include_once(BASEPATH.'database/DB_result.php'); + include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php'); + } + + return $driver; + } + + // -------------------------------------------------------------------- + + /** + * Simple Query + * This is a simplified version of the query() function. Internally + * we only use it when running transaction commands since they do + * not require all the features of the main query() function. + * + * @access public + * @param string the sql query + * @return mixed + */ + function simple_query($sql) + { + if ( ! $this->conn_id) + { + $this->initialize(); + } + + return $this->_execute($sql); + } + + // -------------------------------------------------------------------- + + /** + * Disable Transactions + * This permits transactions to be disabled at run-time. + * + * @access public + * @return void + */ + function trans_off() + { + $this->trans_enabled = FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Enable/disable Transaction Strict Mode + * When strict mode is enabled, if you are running multiple groups of + * transactions, if one group fails all groups will be rolled back. + * If strict mode is disabled, each group is treated autonomously, meaning + * a failure of one group will not affect any others + * + * @access public + * @return void + */ + function trans_strict($mode = TRUE) + { + $this->trans_strict = is_bool($mode) ? $mode : TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Start Transaction + * + * @access public + * @return void + */ + function trans_start($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return FALSE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + $this->_trans_depth += 1; + return; + } + + $this->trans_begin($test_mode); + } + + // -------------------------------------------------------------------- + + /** + * Complete Transaction + * + * @access public + * @return bool + */ + function trans_complete() + { + if ( ! $this->trans_enabled) + { + return FALSE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 1) + { + $this->_trans_depth -= 1; + return TRUE; + } + + // The query() function will set this flag to FALSE in the event that a query failed + if ($this->_trans_status === FALSE) + { + $this->trans_rollback(); + + // If we are NOT running in strict mode, we will reset + // the _trans_status flag so that subsequent groups of transactions + // will be permitted. + if ($this->trans_strict === FALSE) + { + $this->_trans_status = TRUE; + } + + log_message('debug', 'DB Transaction Failure'); + return FALSE; + } + + $this->trans_commit(); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Lets you retrieve the transaction flag to determine if it has failed + * + * @access public + * @return bool + */ + function trans_status() + { + return $this->_trans_status; + } + + // -------------------------------------------------------------------- + + /** + * Compile Bindings + * + * @access public + * @param string the sql statement + * @param array an array of bind data + * @return string + */ + function compile_binds($sql, $binds) + { + if (strpos($sql, $this->bind_marker) === FALSE) + { + return $sql; + } + + if ( ! is_array($binds)) + { + $binds = array($binds); + } + + // Get the sql segments around the bind markers + $segments = explode($this->bind_marker, $sql); + + // The count of bind should be 1 less then the count of segments + // If there are more bind arguments trim it down + if (count($binds) >= count($segments)) { + $binds = array_slice($binds, 0, count($segments)-1); + } + + // Construct the binded query + $result = $segments[0]; + $i = 0; + foreach ($binds as $bind) + { + $result .= $this->escape($bind); + $result .= $segments[++$i]; + } + + return $result; + } + + // -------------------------------------------------------------------- + + /** + * Determines if a query is a "write" type. + * + * @access public + * @param string An SQL query string + * @return boolean + */ + function is_write_type($sql) + { + if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql)) + { + return FALSE; + } + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Calculate the aggregate query elapsed time + * + * @access public + * @param integer The number of decimal places + * @return integer + */ + function elapsed_time($decimals = 6) + { + return number_format($this->benchmark, $decimals); + } + + // -------------------------------------------------------------------- + + /** + * Returns the total number of queries + * + * @access public + * @return integer + */ + function total_queries() + { + return $this->query_count; + } + + // -------------------------------------------------------------------- + + /** + * Returns the last query that was executed + * + * @access public + * @return void + */ + function last_query() + { + return end($this->queries); + } + + // -------------------------------------------------------------------- + + /** + * "Smart" Escape String + * + * Escapes data based on type + * Sets boolean and null types + * + * @access public + * @param string + * @return mixed + */ + function escape($str) + { + if (is_string($str)) + { + $str = "'".$this->escape_str($str)."'"; + } + elseif (is_bool($str)) + { + $str = ($str === FALSE) ? 0 : 1; + } + elseif (is_null($str)) + { + $str = 'NULL'; + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Escape LIKE String + * + * Calls the individual driver for platform + * specific escaping for LIKE conditions + * + * @access public + * @param string + * @return mixed + */ + function escape_like_str($str) + { + return $this->escape_str($str, TRUE); + } + + // -------------------------------------------------------------------- + + /** + * Primary + * + * Retrieves the primary key. It assumes that the row in the first + * position is the primary key + * + * @access public + * @param string the table name + * @return string + */ + function primary($table = '') + { + $fields = $this->list_fields($table); + + if ( ! is_array($fields)) + { + return FALSE; + } + + return current($fields); + } + + // -------------------------------------------------------------------- + + /** + * Returns an array of table names + * + * @access public + * @return array + */ + function list_tables($constrain_by_prefix = FALSE) + { + // Is there a cached result? + if (isset($this->data_cache['table_names'])) + { + return $this->data_cache['table_names']; + } + + if (FALSE === ($sql = $this->_list_tables($constrain_by_prefix))) + { + if ($this->db_debug) + { + return $this->display_error('db_unsupported_function'); + } + return FALSE; + } + + $retval = array(); + $query = $this->query($sql); + + if ($query->num_rows() > 0) + { + foreach ($query->result_array() as $row) + { + if (isset($row['TABLE_NAME'])) + { + $retval[] = $row['TABLE_NAME']; + } + else + { + $retval[] = array_shift($row); + } + } + } + + $this->data_cache['table_names'] = $retval; + return $this->data_cache['table_names']; + } + + // -------------------------------------------------------------------- + + /** + * Determine if a particular table exists + * @access public + * @return boolean + */ + function table_exists($table_name) + { + return ( ! in_array($this->_protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables())) ? FALSE : TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Fetch MySQL Field Names + * + * @access public + * @param string the table name + * @return array + */ + function list_fields($table = '') + { + // Is there a cached result? + if (isset($this->data_cache['field_names'][$table])) + { + return $this->data_cache['field_names'][$table]; + } + + if ($table == '') + { + if ($this->db_debug) + { + return $this->display_error('db_field_param_missing'); + } + return FALSE; + } + + if (FALSE === ($sql = $this->_list_columns($table))) + { + if ($this->db_debug) + { + return $this->display_error('db_unsupported_function'); + } + return FALSE; + } + + $query = $this->query($sql); + + $retval = array(); + foreach ($query->result_array() as $row) + { + if (isset($row['COLUMN_NAME'])) + { + $retval[] = $row['COLUMN_NAME']; + } + else + { + $retval[] = current($row); + } + } + + $this->data_cache['field_names'][$table] = $retval; + return $this->data_cache['field_names'][$table]; + } + + // -------------------------------------------------------------------- + + /** + * Determine if a particular field exists + * @access public + * @param string + * @param string + * @return boolean + */ + function field_exists($field_name, $table_name) + { + return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Returns an object with field data + * + * @access public + * @param string the table name + * @return object + */ + function field_data($table = '') + { + if ($table == '') + { + if ($this->db_debug) + { + return $this->display_error('db_field_param_missing'); + } + return FALSE; + } + + $query = $this->query($this->_field_data($this->_protect_identifiers($table, TRUE, NULL, FALSE))); + + return $query->field_data(); + } + + // -------------------------------------------------------------------- + + /** + * Generate an insert string + * + * @access public + * @param string the table upon which the query will be performed + * @param array an associative array data of key/values + * @return string + */ + function insert_string($table, $data) + { + $fields = array(); + $values = array(); + + foreach ($data as $key => $val) + { + $fields[] = $this->_escape_identifiers($key); + $values[] = $this->escape($val); + } + + return $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values); + } + + // -------------------------------------------------------------------- + + /** + * Generate an update string + * + * @access public + * @param string the table upon which the query will be performed + * @param array an associative array data of key/values + * @param mixed the "where" statement + * @return string + */ + function update_string($table, $data, $where) + { + if ($where == '') + { + return false; + } + + $fields = array(); + foreach ($data as $key => $val) + { + $fields[$this->_protect_identifiers($key)] = $this->escape($val); + } + + if ( ! is_array($where)) + { + $dest = array($where); + } + else + { + $dest = array(); + foreach ($where as $key => $val) + { + $prefix = (count($dest) == 0) ? '' : ' AND '; + + if ($val !== '') + { + if ( ! $this->_has_operator($key)) + { + $key .= ' ='; + } + + $val = ' '.$this->escape($val); + } + + $dest[] = $prefix.$key.$val; + } + } + + return $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest); + } + + // -------------------------------------------------------------------- + + /** + * Tests whether the string has an SQL operator + * + * @access private + * @param string + * @return bool + */ + function _has_operator($str) + { + $str = trim($str); + if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str)) + { + return FALSE; + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Enables a native PHP function to be run, using a platform agnostic wrapper. + * + * @access public + * @param string the function name + * @param mixed any parameters needed by the function + * @return mixed + */ + function call_function($function) + { + $driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_'; + + if (FALSE === strpos($driver, $function)) + { + $function = $driver.$function; + } + + if ( ! function_exists($function)) + { + if ($this->db_debug) + { + return $this->display_error('db_unsupported_function'); + } + return FALSE; + } + else + { + $args = (func_num_args() > 1) ? array_splice(func_get_args(), 1) : null; + if (is_null($args)) + { + return call_user_func($function); + } + else + { + return call_user_func_array($function, $args); + } + } + } + + // -------------------------------------------------------------------- + + /** + * Set Cache Directory Path + * + * @access public + * @param string the path to the cache directory + * @return void + */ + function cache_set_path($path = '') + { + $this->cachedir = $path; + } + + // -------------------------------------------------------------------- + + /** + * Enable Query Caching + * + * @access public + * @return void + */ + function cache_on() + { + $this->cache_on = TRUE; + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Disable Query Caching + * + * @access public + * @return void + */ + function cache_off() + { + $this->cache_on = FALSE; + return FALSE; + } + + + // -------------------------------------------------------------------- + + /** + * Delete the cache files associated with a particular URI + * + * @access public + * @return void + */ + function cache_delete($segment_one = '', $segment_two = '') + { + if ( ! $this->_cache_init()) + { + return FALSE; + } + return $this->CACHE->delete($segment_one, $segment_two); + } + + // -------------------------------------------------------------------- + + /** + * Delete All cache files + * + * @access public + * @return void + */ + function cache_delete_all() + { + if ( ! $this->_cache_init()) + { + return FALSE; + } + + return $this->CACHE->delete_all(); + } + + // -------------------------------------------------------------------- + + /** + * Initialize the Cache Class + * + * @access private + * @return void + */ + function _cache_init() + { + if (is_object($this->CACHE) AND class_exists('CI_DB_Cache')) + { + return TRUE; + } + + if ( ! class_exists('CI_DB_Cache')) + { + if ( ! @include(BASEPATH.'database/DB_cache.php')) + { + return $this->cache_off(); + } + } + + $this->CACHE = new CI_DB_Cache($this); // pass db object to support multiple db connections and returned db objects + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @return void + */ + function close() + { + if (is_resource($this->conn_id) OR is_object($this->conn_id)) + { + $this->_close($this->conn_id); + } + $this->conn_id = FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Display an error message + * + * @access public + * @param string the error message + * @param string any "swap" values + * @param boolean whether to localize the message + * @return string sends the application/error_db.php template + */ + function display_error($error = '', $swap = '', $native = FALSE) + { + $LANG =& load_class('Lang', 'core'); + $LANG->load('db'); + + $heading = $LANG->line('db_error_heading'); + + if ($native == TRUE) + { + $message = $error; + } + else + { + $message = ( ! is_array($error)) ? array(str_replace('%s', $swap, $LANG->line($error))) : $error; + } + + // Find the most likely culprit of the error by going through + // the backtrace until the source file is no longer in the + // database folder. + + $trace = debug_backtrace(); + + foreach ($trace as $call) + { + if (isset($call['file']) && strpos($call['file'], BASEPATH.'database') === FALSE) + { + // Found it - use a relative path for safety + $message[] = 'Filename: '.str_replace(array(BASEPATH, APPPATH), '', $call['file']); + $message[] = 'Line Number: '.$call['line']; + + break; + } + } + + $error =& load_class('Exceptions', 'core'); + echo $error->show_error($heading, $message, 'error_db'); + exit; + } + + // -------------------------------------------------------------------- + + /** + * Protect Identifiers + * + * This function adds backticks if appropriate based on db type + * + * @access private + * @param mixed the item to escape + * @return mixed the item with backticks + */ + function protect_identifiers($item, $prefix_single = FALSE) + { + return $this->_protect_identifiers($item, $prefix_single); + } + + // -------------------------------------------------------------------- + + /** + * Protect Identifiers + * + * This function is used extensively by the Active Record class, and by + * a couple functions in this class. + * It takes a column or table name (optionally with an alias) and inserts + * the table prefix onto it. Some logic is necessary in order to deal with + * column names that include the path. Consider a query like this: + * + * SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table + * + * Or a query with aliasing: + * + * SELECT m.member_id, m.member_name FROM members AS m + * + * Since the column name can include up to four segments (host, DB, table, column) + * or also have an alias prefix, we need to do a bit of work to figure this out and + * insert the table prefix (if it exists) in the proper position, and escape only + * the correct identifiers. + * + * @access private + * @param string + * @param bool + * @param mixed + * @param bool + * @return string + */ + function _protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE) + { + if ( ! is_bool($protect_identifiers)) + { + $protect_identifiers = $this->_protect_identifiers; + } + + if (is_array($item)) + { + $escaped_array = array(); + + foreach ($item as $k => $v) + { + $escaped_array[$this->_protect_identifiers($k)] = $this->_protect_identifiers($v); + } + + return $escaped_array; + } + + // Convert tabs or multiple spaces into single spaces + $item = preg_replace('/[\t ]+/', ' ', $item); + + // If the item has an alias declaration we remove it and set it aside. + // Basically we remove everything to the right of the first space + if (strpos($item, ' ') !== FALSE) + { + $alias = strstr($item, ' '); + $item = substr($item, 0, - strlen($alias)); + } + else + { + $alias = ''; + } + + // This is basically a bug fix for queries that use MAX, MIN, etc. + // If a parenthesis is found we know that we do not need to + // escape the data or add a prefix. There's probably a more graceful + // way to deal with this, but I'm not thinking of it -- Rick + if (strpos($item, '(') !== FALSE) + { + return $item.$alias; + } + + // Break the string apart if it contains periods, then insert the table prefix + // in the correct location, assuming the period doesn't indicate that we're dealing + // with an alias. While we're at it, we will escape the components + if (strpos($item, '.') !== FALSE) + { + $parts = explode('.', $item); + + // Does the first segment of the exploded item match + // one of the aliases previously identified? If so, + // we have nothing more to do other than escape the item + if (in_array($parts[0], $this->ar_aliased_tables)) + { + if ($protect_identifiers === TRUE) + { + foreach ($parts as $key => $val) + { + if ( ! in_array($val, $this->_reserved_identifiers)) + { + $parts[$key] = $this->_escape_identifiers($val); + } + } + + $item = implode('.', $parts); + } + return $item.$alias; + } + + // Is there a table prefix defined in the config file? If not, no need to do anything + if ($this->dbprefix != '') + { + // We now add the table prefix based on some logic. + // Do we have 4 segments (hostname.database.table.column)? + // If so, we add the table prefix to the column name in the 3rd segment. + if (isset($parts[3])) + { + $i = 2; + } + // Do we have 3 segments (database.table.column)? + // If so, we add the table prefix to the column name in 2nd position + elseif (isset($parts[2])) + { + $i = 1; + } + // Do we have 2 segments (table.column)? + // If so, we add the table prefix to the column name in 1st segment + else + { + $i = 0; + } + + // This flag is set when the supplied $item does not contain a field name. + // This can happen when this function is being called from a JOIN. + if ($field_exists == FALSE) + { + $i++; + } + + // Verify table prefix and replace if necessary + if ($this->swap_pre != '' && strncmp($parts[$i], $this->swap_pre, strlen($this->swap_pre)) === 0) + { + $parts[$i] = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $parts[$i]); + } + + // We only add the table prefix if it does not already exist + if (substr($parts[$i], 0, strlen($this->dbprefix)) != $this->dbprefix) + { + $parts[$i] = $this->dbprefix.$parts[$i]; + } + + // Put the parts back together + $item = implode('.', $parts); + } + + if ($protect_identifiers === TRUE) + { + $item = $this->_escape_identifiers($item); + } + + return $item.$alias; + } + + // Is there a table prefix? If not, no need to insert it + if ($this->dbprefix != '') + { + // Verify table prefix and replace if necessary + if ($this->swap_pre != '' && strncmp($item, $this->swap_pre, strlen($this->swap_pre)) === 0) + { + $item = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $item); + } + + // Do we prefix an item with no segments? + if ($prefix_single == TRUE AND substr($item, 0, strlen($this->dbprefix)) != $this->dbprefix) + { + $item = $this->dbprefix.$item; + } + } + + if ($protect_identifiers === TRUE AND ! in_array($item, $this->_reserved_identifiers)) + { + $item = $this->_escape_identifiers($item); + } + + return $item.$alias; + } + + // -------------------------------------------------------------------- + + /** + * Dummy method that allows Active Record class to be disabled + * + * This function is used extensively by every db driver. + * + * @return void + */ + protected function _reset_select() + { + } + +} + +/* End of file DB_driver.php */ +/* Location: ./system/database/DB_driver.php */ \ No newline at end of file diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php new file mode 100644 index 0000000..6bc4041 --- /dev/null +++ b/system/database/DB_forge.php @@ -0,0 +1,382 @@ +db + $CI =& get_instance(); + $this->db =& $CI->db; + log_message('debug', "Database Forge Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * Create database + * + * @access public + * @param string the database name + * @return bool + */ + function create_database($db_name) + { + $sql = $this->_create_database($db_name); + + if (is_bool($sql)) + { + return $sql; + } + + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access public + * @param string the database name + * @return bool + */ + function drop_database($db_name) + { + $sql = $this->_drop_database($db_name); + + if (is_bool($sql)) + { + return $sql; + } + + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Add Key + * + * @access public + * @param string key + * @param string type + * @return void + */ + function add_key($key = '', $primary = FALSE) + { + if (is_array($key)) + { + foreach ($key as $one) + { + $this->add_key($one, $primary); + } + + return; + } + + if ($key == '') + { + show_error('Key information is required for that operation.'); + } + + if ($primary === TRUE) + { + $this->primary_keys[] = $key; + } + else + { + $this->keys[] = $key; + } + } + + // -------------------------------------------------------------------- + + /** + * Add Field + * + * @access public + * @param string collation + * @return void + */ + function add_field($field = '') + { + if ($field == '') + { + show_error('Field information is required.'); + } + + if (is_string($field)) + { + if ($field == 'id') + { + $this->add_field(array( + 'id' => array( + 'type' => 'INT', + 'constraint' => 9, + 'auto_increment' => TRUE + ) + )); + $this->add_key('id', TRUE); + } + else + { + if (strpos($field, ' ') === FALSE) + { + show_error('Field information is required for that operation.'); + } + + $this->fields[] = $field; + } + } + + if (is_array($field)) + { + $this->fields = array_merge($this->fields, $field); + } + + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access public + * @param string the table name + * @return bool + */ + function create_table($table = '', $if_not_exists = FALSE) + { + if ($table == '') + { + show_error('A table name is required for that operation.'); + } + + if (count($this->fields) == 0) + { + show_error('Field information is required.'); + } + + $sql = $this->_create_table($this->db->dbprefix.$table, $this->fields, $this->primary_keys, $this->keys, $if_not_exists); + + $this->_reset(); + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access public + * @param string the table name + * @return bool + */ + function drop_table($table_name) + { + $sql = $this->_drop_table($this->db->dbprefix.$table_name); + + if (is_bool($sql)) + { + return $sql; + } + + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Rename Table + * + * @access public + * @param string the old table name + * @param string the new table name + * @return bool + */ + function rename_table($table_name, $new_table_name) + { + if ($table_name == '' OR $new_table_name == '') + { + show_error('A table name is required for that operation.'); + } + + $sql = $this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name); + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Column Add + * + * @access public + * @param string the table name + * @param string the column name + * @param string the column definition + * @return bool + */ + function add_column($table = '', $field = array(), $after_field = '') + { + if ($table == '') + { + show_error('A table name is required for that operation.'); + } + + // add field info into field array, but we can only do one at a time + // so we cycle through + + foreach ($field as $k => $v) + { + $this->add_field(array($k => $field[$k])); + + if (count($this->fields) == 0) + { + show_error('Field information is required.'); + } + + $sql = $this->_alter_table('ADD', $this->db->dbprefix.$table, $this->fields, $after_field); + + $this->_reset(); + + if ($this->db->query($sql) === FALSE) + { + return FALSE; + } + } + + return TRUE; + + } + + // -------------------------------------------------------------------- + + /** + * Column Drop + * + * @access public + * @param string the table name + * @param string the column name + * @return bool + */ + function drop_column($table = '', $column_name = '') + { + + if ($table == '') + { + show_error('A table name is required for that operation.'); + } + + if ($column_name == '') + { + show_error('A column name is required for that operation.'); + } + + $sql = $this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name); + + return $this->db->query($sql); + } + + // -------------------------------------------------------------------- + + /** + * Column Modify + * + * @access public + * @param string the table name + * @param string the column name + * @param string the column definition + * @return bool + */ + function modify_column($table = '', $field = array()) + { + if ($table == '') + { + show_error('A table name is required for that operation.'); + } + + // add field info into field array, but we can only do one at a time + // so we cycle through + + foreach ($field as $k => $v) + { + // If no name provided, use the current name + if ( ! isset($field[$k]['name'])) + { + $field[$k]['name'] = $k; + } + + $this->add_field(array($k => $field[$k])); + + if (count($this->fields) == 0) + { + show_error('Field information is required.'); + } + + $sql = $this->_alter_table('CHANGE', $this->db->dbprefix.$table, $this->fields); + + $this->_reset(); + + if ($this->db->query($sql) === FALSE) + { + return FALSE; + } + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Reset + * + * Resets table creation vars + * + * @access private + * @return void + */ + function _reset() + { + $this->fields = array(); + $this->keys = array(); + $this->primary_keys = array(); + } + +} + +/* End of file DB_forge.php */ +/* Location: ./system/database/DB_forge.php */ \ No newline at end of file diff --git a/system/database/DB_result.php b/system/database/DB_result.php new file mode 100644 index 0000000..48d66c8 --- /dev/null +++ b/system/database/DB_result.php @@ -0,0 +1,410 @@ +result_array(); + else if ($type == 'object') return $this->result_object(); + else return $this->custom_result_object($type); + } + + // -------------------------------------------------------------------- + + /** + * Custom query result. + * + * @param class_name A string that represents the type of object you want back + * @return array of objects + */ + public function custom_result_object($class_name) + { + if (array_key_exists($class_name, $this->custom_result_object)) + { + return $this->custom_result_object[$class_name]; + } + + if ($this->result_id === FALSE OR $this->num_rows() == 0) + { + return array(); + } + + // add the data to the object + $this->_data_seek(0); + $result_object = array(); + + while ($row = $this->_fetch_object()) + { + $object = new $class_name(); + + foreach ($row as $key => $value) + { + $object->$key = $value; + } + + $result_object[] = $object; + } + + // return the array + return $this->custom_result_object[$class_name] = $result_object; + } + + // -------------------------------------------------------------------- + + /** + * Query result. "object" version. + * + * @access public + * @return object + */ + public function result_object() + { + if (count($this->result_object) > 0) + { + return $this->result_object; + } + + // In the event that query caching is on the result_id variable + // will return FALSE since there isn't a valid SQL resource so + // we'll simply return an empty array. + if ($this->result_id === FALSE OR $this->num_rows() == 0) + { + return array(); + } + + $this->_data_seek(0); + while ($row = $this->_fetch_object()) + { + $this->result_object[] = $row; + } + + return $this->result_object; + } + + // -------------------------------------------------------------------- + + /** + * Query result. "array" version. + * + * @access public + * @return array + */ + public function result_array() + { + if (count($this->result_array) > 0) + { + return $this->result_array; + } + + // In the event that query caching is on the result_id variable + // will return FALSE since there isn't a valid SQL resource so + // we'll simply return an empty array. + if ($this->result_id === FALSE OR $this->num_rows() == 0) + { + return array(); + } + + $this->_data_seek(0); + while ($row = $this->_fetch_assoc()) + { + $this->result_array[] = $row; + } + + return $this->result_array; + } + + // -------------------------------------------------------------------- + + /** + * Query result. Acts as a wrapper function for the following functions. + * + * @access public + * @param string + * @param string can be "object" or "array" + * @return mixed either a result object or array + */ + public function row($n = 0, $type = 'object') + { + if ( ! is_numeric($n)) + { + // We cache the row data for subsequent uses + if ( ! is_array($this->row_data)) + { + $this->row_data = $this->row_array(0); + } + + // array_key_exists() instead of isset() to allow for MySQL NULL values + if (array_key_exists($n, $this->row_data)) + { + return $this->row_data[$n]; + } + // reset the $n variable if the result was not achieved + $n = 0; + } + + if ($type == 'object') return $this->row_object($n); + else if ($type == 'array') return $this->row_array($n); + else return $this->custom_row_object($n, $type); + } + + // -------------------------------------------------------------------- + + /** + * Assigns an item into a particular column slot + * + * @access public + * @return object + */ + public function set_row($key, $value = NULL) + { + // We cache the row data for subsequent uses + if ( ! is_array($this->row_data)) + { + $this->row_data = $this->row_array(0); + } + + if (is_array($key)) + { + foreach ($key as $k => $v) + { + $this->row_data[$k] = $v; + } + + return; + } + + if ($key != '' AND ! is_null($value)) + { + $this->row_data[$key] = $value; + } + } + + // -------------------------------------------------------------------- + + /** + * Returns a single result row - custom object version + * + * @access public + * @return object + */ + public function custom_row_object($n, $type) + { + $result = $this->custom_result_object($type); + + if (count($result) == 0) + { + return $result; + } + + if ($n != $this->current_row AND isset($result[$n])) + { + $this->current_row = $n; + } + + return $result[$this->current_row]; + } + + /** + * Returns a single result row - object version + * + * @access public + * @return object + */ + public function row_object($n = 0) + { + $result = $this->result_object(); + + if (count($result) == 0) + { + return $result; + } + + if ($n != $this->current_row AND isset($result[$n])) + { + $this->current_row = $n; + } + + return $result[$this->current_row]; + } + + // -------------------------------------------------------------------- + + /** + * Returns a single result row - array version + * + * @access public + * @return array + */ + public function row_array($n = 0) + { + $result = $this->result_array(); + + if (count($result) == 0) + { + return $result; + } + + if ($n != $this->current_row AND isset($result[$n])) + { + $this->current_row = $n; + } + + return $result[$this->current_row]; + } + + + // -------------------------------------------------------------------- + + /** + * Returns the "first" row + * + * @access public + * @return object + */ + public function first_row($type = 'object') + { + $result = $this->result($type); + + if (count($result) == 0) + { + return $result; + } + return $result[0]; + } + + // -------------------------------------------------------------------- + + /** + * Returns the "last" row + * + * @access public + * @return object + */ + public function last_row($type = 'object') + { + $result = $this->result($type); + + if (count($result) == 0) + { + return $result; + } + return $result[count($result) -1]; + } + + // -------------------------------------------------------------------- + + /** + * Returns the "next" row + * + * @access public + * @return object + */ + public function next_row($type = 'object') + { + $result = $this->result($type); + + if (count($result) == 0) + { + return $result; + } + + if (isset($result[$this->current_row + 1])) + { + ++$this->current_row; + } + + return $result[$this->current_row]; + } + + // -------------------------------------------------------------------- + + /** + * Returns the "previous" row + * + * @access public + * @return object + */ + public function previous_row($type = 'object') + { + $result = $this->result($type); + + if (count($result) == 0) + { + return $result; + } + + if (isset($result[$this->current_row - 1])) + { + --$this->current_row; + } + return $result[$this->current_row]; + } + + // -------------------------------------------------------------------- + + /** + * The following functions are normally overloaded by the identically named + * methods in the platform-specific driver -- except when query caching + * is used. When caching is enabled we do not load the other driver. + * These functions are primarily here to prevent undefined function errors + * when a cached result object is in use. They are not otherwise fully + * operational due to the unavailability of the database resource IDs with + * cached results. + */ + public function num_rows() { return $this->num_rows; } + public function num_fields() { return 0; } + public function list_fields() { return array(); } + public function field_data() { return array(); } + public function free_result() { return TRUE; } + protected function _data_seek() { return TRUE; } + protected function _fetch_assoc() { return array(); } + protected function _fetch_object() { return array(); } + +} +// END DB_result class + +/* End of file DB_result.php */ +/* Location: ./system/database/DB_result.php */ diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php new file mode 100644 index 0000000..52196b7 --- /dev/null +++ b/system/database/DB_utility.php @@ -0,0 +1,414 @@ +db + $CI =& get_instance(); + $this->db =& $CI->db; + + log_message('debug', "Database Utility Class Initialized"); + } + + // -------------------------------------------------------------------- + + /** + * List databases + * + * @access public + * @return bool + */ + function list_databases() + { + // Is there a cached result? + if (isset($this->data_cache['db_names'])) + { + return $this->data_cache['db_names']; + } + + $query = $this->db->query($this->_list_databases()); + $dbs = array(); + if ($query->num_rows() > 0) + { + foreach ($query->result_array() as $row) + { + $dbs[] = current($row); + } + } + + $this->data_cache['db_names'] = $dbs; + return $this->data_cache['db_names']; + } + + // -------------------------------------------------------------------- + + /** + * Determine if a particular database exists + * + * @access public + * @param string + * @return boolean + */ + function database_exists($database_name) + { + // Some databases won't have access to the list_databases() function, so + // this is intended to allow them to override with their own functions as + // defined in $driver_utility.php + if (method_exists($this, '_database_exists')) + { + return $this->_database_exists($database_name); + } + else + { + return ( ! in_array($database_name, $this->list_databases())) ? FALSE : TRUE; + } + } + + + // -------------------------------------------------------------------- + + /** + * Optimize Table + * + * @access public + * @param string the table name + * @return bool + */ + function optimize_table($table_name) + { + $sql = $this->_optimize_table($table_name); + + if (is_bool($sql)) + { + show_error('db_must_use_set'); + } + + $query = $this->db->query($sql); + $res = $query->result_array(); + + // Note: Due to a bug in current() that affects some versions + // of PHP we can not pass function call directly into it + return current($res); + } + + // -------------------------------------------------------------------- + + /** + * Optimize Database + * + * @access public + * @return array + */ + function optimize_database() + { + $result = array(); + foreach ($this->db->list_tables() as $table_name) + { + $sql = $this->_optimize_table($table_name); + + if (is_bool($sql)) + { + return $sql; + } + + $query = $this->db->query($sql); + + // Build the result array... + // Note: Due to a bug in current() that affects some versions + // of PHP we can not pass function call directly into it + $res = $query->result_array(); + $res = current($res); + $key = str_replace($this->db->database.'.', '', current($res)); + $keys = array_keys($res); + unset($res[$keys[0]]); + + $result[$key] = $res; + } + + return $result; + } + + // -------------------------------------------------------------------- + + /** + * Repair Table + * + * @access public + * @param string the table name + * @return bool + */ + function repair_table($table_name) + { + $sql = $this->_repair_table($table_name); + + if (is_bool($sql)) + { + return $sql; + } + + $query = $this->db->query($sql); + + // Note: Due to a bug in current() that affects some versions + // of PHP we can not pass function call directly into it + $res = $query->result_array(); + return current($res); + } + + // -------------------------------------------------------------------- + + /** + * Generate CSV from a query result object + * + * @access public + * @param object The query result object + * @param string The delimiter - comma by default + * @param string The newline character - \n by default + * @param string The enclosure - double quote by default + * @return string + */ + function csv_from_result($query, $delim = ",", $newline = "\n", $enclosure = '"') + { + if ( ! is_object($query) OR ! method_exists($query, 'list_fields')) + { + show_error('You must submit a valid result object'); + } + + $out = ''; + + // First generate the headings from the table column names + foreach ($query->list_fields() as $name) + { + $out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $name).$enclosure.$delim; + } + + $out = rtrim($out); + $out .= $newline; + + // Next blast through the result array and build out the rows + foreach ($query->result_array() as $row) + { + foreach ($row as $item) + { + $out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $item).$enclosure.$delim; + } + $out = rtrim($out); + $out .= $newline; + } + + return $out; + } + + // -------------------------------------------------------------------- + + /** + * Generate XML data from a query result object + * + * @access public + * @param object The query result object + * @param array Any preferences + * @return string + */ + function xml_from_result($query, $params = array()) + { + if ( ! is_object($query) OR ! method_exists($query, 'list_fields')) + { + show_error('You must submit a valid result object'); + } + + // Set our default values + foreach (array('root' => 'root', 'element' => 'element', 'newline' => "\n", 'tab' => "\t") as $key => $val) + { + if ( ! isset($params[$key])) + { + $params[$key] = $val; + } + } + + // Create variables for convenience + extract($params); + + // Load the xml helper + $CI =& get_instance(); + $CI->load->helper('xml'); + + // Generate the result + $xml = "<{$root}>".$newline; + foreach ($query->result_array() as $row) + { + $xml .= $tab."<{$element}>".$newline; + + foreach ($row as $key => $val) + { + $xml .= $tab.$tab."<{$key}>".xml_convert($val)."".$newline; + } + $xml .= $tab."".$newline; + } + $xml .= "".$newline; + + return $xml; + } + + // -------------------------------------------------------------------- + + /** + * Database Backup + * + * @access public + * @return void + */ + function backup($params = array()) + { + // If the parameters have not been submitted as an + // array then we know that it is simply the table + // name, which is a valid short cut. + if (is_string($params)) + { + $params = array('tables' => $params); + } + + // ------------------------------------------------------ + + // Set up our default preferences + $prefs = array( + 'tables' => array(), + 'ignore' => array(), + 'filename' => '', + 'format' => 'gzip', // gzip, zip, txt + 'add_drop' => TRUE, + 'add_insert' => TRUE, + 'newline' => "\n" + ); + + // Did the user submit any preferences? If so set them.... + if (count($params) > 0) + { + foreach ($prefs as $key => $val) + { + if (isset($params[$key])) + { + $prefs[$key] = $params[$key]; + } + } + } + + // ------------------------------------------------------ + + // Are we backing up a complete database or individual tables? + // If no table names were submitted we'll fetch the entire table list + if (count($prefs['tables']) == 0) + { + $prefs['tables'] = $this->db->list_tables(); + } + + // ------------------------------------------------------ + + // Validate the format + if ( ! in_array($prefs['format'], array('gzip', 'zip', 'txt'), TRUE)) + { + $prefs['format'] = 'txt'; + } + + // ------------------------------------------------------ + + // Is the encoder supported? If not, we'll either issue an + // error or use plain text depending on the debug settings + if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode')) + OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress'))) + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_compression'); + } + + $prefs['format'] = 'txt'; + } + + // ------------------------------------------------------ + + // Set the filename if not provided - Only needed with Zip files + if ($prefs['filename'] == '' AND $prefs['format'] == 'zip') + { + $prefs['filename'] = (count($prefs['tables']) == 1) ? $prefs['tables'] : $this->db->database; + $prefs['filename'] .= '_'.date('Y-m-d_H-i', time()); + } + + // ------------------------------------------------------ + + // Was a Gzip file requested? + if ($prefs['format'] == 'gzip') + { + return gzencode($this->_backup($prefs)); + } + + // ------------------------------------------------------ + + // Was a text file requested? + if ($prefs['format'] == 'txt') + { + return $this->_backup($prefs); + } + + // ------------------------------------------------------ + + // Was a Zip file requested? + if ($prefs['format'] == 'zip') + { + // If they included the .zip file extension we'll remove it + if (preg_match("|.+?\.zip$|", $prefs['filename'])) + { + $prefs['filename'] = str_replace('.zip', '', $prefs['filename']); + } + + // Tack on the ".sql" file extension if needed + if ( ! preg_match("|.+?\.sql$|", $prefs['filename'])) + { + $prefs['filename'] .= '.sql'; + } + + // Load the Zip class and output it + + $CI =& get_instance(); + $CI->load->library('zip'); + $CI->zip->add_data($prefs['filename'], $this->_backup($prefs)); + return $CI->zip->get_zip(); + } + + } + +} + + +/* End of file DB_utility.php */ +/* Location: ./system/database/DB_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php new file mode 100644 index 0000000..d011404 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -0,0 +1,792 @@ +port == '') + { + $this->port = self::DEFAULT_PORT; + } + + $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password); + + if ($conn) + { + // Check if a user wants to run queries in dry, i.e. run the + // queries but not commit them. + if (isset($this->auto_commit) && ! $this->auto_commit) + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE); + } + else + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE); + $this->auto_commit = TRUE; + } + } + + return $conn; + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * In CUBRID persistent DB connection is supported natively in CUBRID + * engine which can be configured in the CUBRID Broker configuration + * file by setting the CCI_PCONNECT parameter to ON. In that case, all + * connections established between the client application and the + * server will become persistent. This is calling the same + * @cubrid_connect function will establish persisten connection + * considering that the CCI_PCONNECT is ON. + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return $this->db_connect(); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (cubrid_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // In CUBRID there is no need to select a database as the database + // is chosen at the connection time. + // So, to determine if the database is "selected", all we have to + // do is ping the server and return that value. + return cubrid_ping($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // In CUBRID, there is no need to set charset or collation. + // This is why returning true will allow the application continue + // its normal process. + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + // To obtain the CUBRID Server version, no need to run the SQL query. + // CUBRID PHP API provides a function to determin this value. + // This is why we also need to add 'cubrid' value to the list of + // $driver_version_exceptions array in DB_driver class in + // version() function. + return cubrid_get_server_info($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @cubrid_query($sql, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + // No need to prepare + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + if (cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + cubrid_commit($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + cubrid_rollback($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id)) + { + $str = cubrid_real_escape_string($str, $this->conn_id); + } + else + { + $str = addslashes($str); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @cubrid_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @cubrid_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified table + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT * FROM ".$table." LIMIT 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return cubrid_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return cubrid_errno($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = sprintf('"%s" = %s', $key, $val); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @cubrid_close($conn_id); + } + +} + + +/* End of file cubrid_driver.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php new file mode 100644 index 0000000..bab03f7 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -0,0 +1,288 @@ +$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\""; + + if (array_key_exists('NAME', $attributes)) + { + $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; + } + + if (array_key_exists('TYPE', $attributes)) + { + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + switch ($attributes['TYPE']) + { + case 'decimal': + case 'float': + case 'numeric': + $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; + break; + case 'enum': // As of version 8.4.0 CUBRID does not support + // enum data type. + break; + case 'set': + $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; + break; + default: + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + } + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + //$sql .= ' UNSIGNED'; + // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type. + // Will be supported in the next release as a part of MySQL Compatibility. + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + + if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) + { + $sql .= ' UNIQUE'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param mixed the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + //$sql .= 'IF NOT EXISTS '; + // As of version 8.4.0 CUBRID does not support this SQL syntax. + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + + $sql .= $this->_process_fields($fields); + + // If there is a PK defined + if (count($primary_keys) > 0) + { + $key_name = "pk_" . $table . "_" . + $this->db->_protect_identifiers(implode('_', $primary_keys)); + + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key_name = $this->db->_protect_identifiers(implode('_', $key)); + $key = $this->db->_protect_identifiers($key); + } + else + { + $key_name = $this->db->_protect_identifiers($key); + $key = array($key_name); + } + + $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n);"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return string + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param array fields + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } + + $sql .= $this->_process_fields($fields); + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file cubrid_forge.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php new file mode 100644 index 0000000..6f0c2b5 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_result.php @@ -0,0 +1,202 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @cubrid_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + return cubrid_column_names($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + + $tablePrimaryKeys = array(); + + while ($field = cubrid_fetch_field($this->result_id)) + { + $F = new stdClass(); + $F->name = $field->name; + $F->type = $field->type; + $F->default = $field->def; + $F->max_length = $field->max_length; + + // At this moment primary_key property is not returned when + // cubrid_fetch_field is called. The following code will + // provide a patch for it. primary_key property will be added + // in the next release. + + // TODO: later version of CUBRID will provide primary_key + // property. + // When PK is defined in CUBRID, an index is automatically + // created in the db_index system table in the form of + // pk_tblname_fieldname. So the following will count how many + // columns are there which satisfy this format. + // The query will search for exact single columns, thus + // compound PK is not supported. + $res = cubrid_query($this->conn_id, + "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table . + "' AND is_primary_key = 'YES' AND index_name = 'pk_" . + $field->table . "_" . $field->name . "'" + ); + + if ($res) + { + $row = cubrid_fetch_array($res, CUBRID_NUM); + $F->primary_key = ($row[0] > 0 ? 1 : null); + } + else + { + $F->primary_key = null; + } + + if (is_resource($res)) + { + cubrid_close_request($res); + $this->result_id = FALSE; + } + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if(is_resource($this->result_id) || + get_resource_type($this->result_id) == "Unknown" && + preg_match('/Resource id #/', strval($this->result_id))) + { + cubrid_close_request($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return cubrid_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return cubrid_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return cubrid_fetch_object($this->result_id); + } + +} + + +/* End of file cubrid_result.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ \ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php new file mode 100644 index 0000000..cd16d1e --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_utility.php @@ -0,0 +1,108 @@ +conn_id) + { + return "SELECT '" . $this->database . "'"; + } + else + { + return FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Optimize%20Database + */ + function _optimize_table($table) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table optimization can be performed using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency + */ + function _repair_table($table) + { + // Not supported in CUBRID as of version 8.4.0. Database or + // table consistency can be checked using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + /** + * CUBRID Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table backup can be performed using CUBRID Manager + // database administration tool. + return $this->db->display_error('db_unsuported_feature'); + } +} + +/* End of file cubrid_utility.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/cubrid/index.html b/system/database/drivers/cubrid/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/cubrid/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/index.html b/system/database/drivers/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/mssql/index.html b/system/database/drivers/mssql/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/mssql/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php new file mode 100644 index 0000000..b39bd93 --- /dev/null +++ b/system/database/drivers/mssql/mssql_driver.php @@ -0,0 +1,667 @@ +port != '') + { + $this->hostname .= ','.$this->port; + } + + return @mssql_connect($this->hostname, $this->username, $this->password); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + if ($this->port != '') + { + $this->hostname .= ','.$this->port; + } + + return @mssql_pconnect($this->hostname, $this->username, $this->password); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + // not implemented in MSSQL + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Note: The brackets are required in the event that the DB name + // contains reserved characters + return @mssql_select_db('['.$this->database.']', $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @mssql_query($sql, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->simple_query('BEGIN TRAN'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('COMMIT TRAN'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('ROLLBACK TRAN'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + // Escape single quotes + $str = str_replace("'", "''", remove_invisible_characters($str)); + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( + array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str + ); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @mssql_rows_affected($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * Returns the last id created in the Identity column. + * + * @access public + * @return integer + */ + function insert_id() + { + $ver = self::_parse_major_version($this->version()); + $sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id"); + $query = $this->query($sql); + $row = $query->row(); + return $row->last_id; + } + + // -------------------------------------------------------------------- + + /** + * Parse major version + * + * Grabs the major version number from the + * database server version string passed in. + * + * @access private + * @param string $version + * @return int16 major version number + */ + function _parse_major_version($version) + { + preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); + return $ver_info[1]; // return the major version b/c that's all we're interested in. + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT @@VERSION AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; + + // for future compatibility + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return FALSE; // not currently supported + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * List column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access private + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'"; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 * FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return mssql_get_last_message(); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + // Are error numbers supported? + return ''; + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return implode(', ', $tables); + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $i = $limit + $offset; + + return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql); + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @mssql_close($conn_id); + } + +} + + + +/* End of file mssql_driver.php */ +/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php new file mode 100644 index 0000000..70b20ec --- /dev/null +++ b/system/database/drivers/mssql/mssql_forge.php @@ -0,0 +1,248 @@ +db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + // I think this syntax will work, but can find little documentation on renaming tables in MSSQL + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file mssql_forge.php */ +/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php new file mode 100644 index 0000000..2897ca5 --- /dev/null +++ b/system/database/drivers/mssql/mssql_result.php @@ -0,0 +1,169 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @mssql_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + while ($field = mssql_fetch_field($this->result_id)) + { + $field_names[] = $field->name; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + while ($field = mssql_fetch_field($this->result_id)) + { + $F = new stdClass(); + $F->name = $field->name; + $F->type = $field->type; + $F->max_length = $field->max_length; + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + mssql_free_result($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return mssql_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return mssql_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return mssql_fetch_object($this->result_id); + } + +} + + +/* End of file mssql_result.php */ +/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php new file mode 100644 index 0000000..48ecbc7 --- /dev/null +++ b/system/database/drivers/mssql/mssql_utility.php @@ -0,0 +1,88 @@ +db->display_error('db_unsuported_feature'); + } + +} + +/* End of file mssql_utility.php */ +/* Location: ./system/database/drivers/mssql/mssql_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/mysql/index.html b/system/database/drivers/mysql/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/mysql/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php new file mode 100644 index 0000000..f87cfea --- /dev/null +++ b/system/database/drivers/mysql/mysql_driver.php @@ -0,0 +1,779 @@ +port != '') + { + $this->hostname .= ':'.$this->port; + } + + return @mysql_connect($this->hostname, $this->username, $this->password, TRUE); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + if ($this->port != '') + { + $this->hostname .= ':'.$this->port; + } + + return @mysql_pconnect($this->hostname, $this->username, $this->password); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (mysql_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + return @mysql_select_db($this->database, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + if ( ! isset($this->use_set_names)) + { + // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback + $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; + } + + if ($this->use_set_names === TRUE) + { + return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + } + else + { + return @mysql_set_charset($charset, $this->conn_id); + } + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @mysql_query($sql, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + // "DELETE FROM TABLE" returns 0 affected rows This hack modifies + // the query so that it returns the number of affected rows + if ($this->delete_hack === TRUE) + { + if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) + { + $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql); + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->simple_query('SET AUTOCOMMIT=0'); + $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('COMMIT'); + $this->simple_query('SET AUTOCOMMIT=1'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('ROLLBACK'); + $this->simple_query('SET AUTOCOMMIT=1'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id)) + { + $str = mysql_real_escape_string($str, $this->conn_id); + } + elseif (function_exists('mysql_escape_string')) + { + $str = mysql_escape_string($str); + } + else + { + $str = addslashes($str); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @mysql_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @mysql_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "DESCRIBE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return mysql_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return mysql_errno($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key . ' = ' . $val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @mysql_close($conn_id); + } + +} + + +/* End of file mysql_driver.php */ +/* Location: ./system/database/drivers/mysql/mysql_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php new file mode 100644 index 0000000..c1cae13 --- /dev/null +++ b/system/database/drivers/mysql/mysql_forge.php @@ -0,0 +1,273 @@ +$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + if (array_key_exists('NAME', $attributes)) + { + $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; + } + + if (array_key_exists('TYPE', $attributes)) + { + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + switch ($attributes['TYPE']) + { + case 'decimal': + case 'float': + case 'numeric': + $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; + break; + + case 'enum': + case 'set': + $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; + break; + + default: + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + } + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param mixed the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + + $sql .= $this->_process_fields($fields); + + if (count($primary_keys) > 0) + { + $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key_name = $this->db->_protect_identifiers(implode('_', $key)); + $key = $this->db->_protect_identifiers($key); + } + else + { + $key_name = $this->db->_protect_identifiers($key); + $key = array($key_name); + } + + $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return string + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param array fields + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } + + $sql .= $this->_process_fields($fields); + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file mysql_forge.php */ +/* Location: ./system/database/drivers/mysql/mysql_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php new file mode 100644 index 0000000..e1a6e93 --- /dev/null +++ b/system/database/drivers/mysql/mysql_result.php @@ -0,0 +1,174 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @mysql_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + while ($field = mysql_fetch_field($this->result_id)) + { + $field_names[] = $field->name; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + while ($field = mysql_fetch_object($this->result_id)) + { + preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); + + $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; + $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; + + $F = new stdClass(); + $F->name = $field->Field; + $F->type = $type; + $F->default = $field->Default; + $F->max_length = $length; + $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + mysql_free_result($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return mysql_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return mysql_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return mysql_fetch_object($this->result_id); + } + +} + + +/* End of file mysql_result.php */ +/* Location: ./system/database/drivers/mysql/mysql_result.php */ \ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php new file mode 100644 index 0000000..48c4d63 --- /dev/null +++ b/system/database/drivers/mysql/mysql_utility.php @@ -0,0 +1,210 @@ +db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + return "REPAIR TABLE ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + /** + * MySQL Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + if (count($params) == 0) + { + return FALSE; + } + + // Extract the prefs for simplicity + extract($params); + + // Build the output + $output = ''; + foreach ((array)$tables as $table) + { + // Is the table in the "ignore" list? + if (in_array($table, (array)$ignore, TRUE)) + { + continue; + } + + // Get the table schema + $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`'); + + // No result means the table name was invalid + if ($query === FALSE) + { + continue; + } + + // Write out the table schema + $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline; + + if ($add_drop == TRUE) + { + $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline; + } + + $i = 0; + $result = $query->result_array(); + foreach ($result[0] as $val) + { + if ($i++ % 2) + { + $output .= $val.';'.$newline.$newline; + } + } + + // If inserts are not needed we're done... + if ($add_insert == FALSE) + { + continue; + } + + // Grab all the data from the current table + $query = $this->db->query("SELECT * FROM $table"); + + if ($query->num_rows() == 0) + { + continue; + } + + // Fetch the field names and determine if the field is an + // integer type. We use this info to decide whether to + // surround the data with quotes or not + + $i = 0; + $field_str = ''; + $is_int = array(); + while ($field = mysql_fetch_field($query->result_id)) + { + // Most versions of MySQL store timestamp as a string + $is_int[$i] = (in_array( + strtolower(mysql_field_type($query->result_id, $i)), + array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'), + TRUE) + ) ? TRUE : FALSE; + + // Create a string of field names + $field_str .= '`'.$field->name.'`, '; + $i++; + } + + // Trim off the end comma + $field_str = preg_replace( "/, $/" , "" , $field_str); + + + // Build the insert string + foreach ($query->result_array() as $row) + { + $val_str = ''; + + $i = 0; + foreach ($row as $v) + { + // Is the value NULL? + if ($v === NULL) + { + $val_str .= 'NULL'; + } + else + { + // Escape the data if it's not an integer + if ($is_int[$i] == FALSE) + { + $val_str .= $this->db->escape($v); + } + else + { + $val_str .= $v; + } + } + + // Append a comma + $val_str .= ', '; + $i++; + } + + // Remove the comma at the end of the string + $val_str = preg_replace( "/, $/" , "" , $val_str); + + // Build the INSERT string + $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline; + } + + $output .= $newline.$newline; + } + + return $output; + } +} + +/* End of file mysql_utility.php */ +/* Location: ./system/database/drivers/mysql/mysql_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/mysqli/index.html b/system/database/drivers/mysqli/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/mysqli/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php new file mode 100644 index 0000000..d3200f3 --- /dev/null +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -0,0 +1,776 @@ +port != '') + { + return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port); + } + else + { + return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database); + } + + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return $this->db_connect(); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (mysqli_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + return @mysqli_select_db($this->conn_id, $this->database); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access private + * @param string + * @param string + * @return resource + */ + function _db_set_charset($charset, $collation) + { + if ( ! isset($this->use_set_names)) + { + // mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback + $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; + } + + if ($this->use_set_names === TRUE) + { + return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); + } + else + { + return @mysqli_set_charset($this->conn_id, $charset); + } + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + $result = @mysqli_query($this->conn_id, $sql); + return $result; + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + // "DELETE FROM TABLE" returns 0 affected rows This hack modifies + // the query so that it returns the number of affected rows + if ($this->delete_hack === TRUE) + { + if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) + { + $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql); + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->simple_query('SET AUTOCOMMIT=0'); + $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('COMMIT'); + $this->simple_query('SET AUTOCOMMIT=1'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('ROLLBACK'); + $this->simple_query('SET AUTOCOMMIT=1'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id)) + { + $str = mysqli_real_escape_string($this->conn_id, $str); + } + elseif (function_exists('mysql_escape_string')) + { + $str = mysql_escape_string($str); + } + else + { + $str = addslashes($str); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @mysqli_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @mysqli_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "DESCRIBE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return mysqli_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return mysqli_errno($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $sql .= "LIMIT ".$limit; + + if ($offset > 0) + { + $sql .= " OFFSET ".$offset; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @mysqli_close($conn_id); + } + + +} + + +/* End of file mysqli_driver.php */ +/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php new file mode 100644 index 0000000..2605494 --- /dev/null +++ b/system/database/drivers/mysqli/mysqli_forge.php @@ -0,0 +1,258 @@ +$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + if (array_key_exists('NAME', $attributes)) + { + $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; + } + + if (array_key_exists('TYPE', $attributes)) + { + $sql .= ' '.$attributes['TYPE']; + } + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param mixed the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + + $sql .= $this->_process_fields($fields); + + if (count($primary_keys) > 0) + { + $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key_name = $this->db->_protect_identifiers(implode('_', $key)); + $key = $this->db->_protect_identifiers($key); + } + else + { + $key_name = $this->db->_protect_identifiers($key); + $key = array($key_name); + } + + $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return string + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param array fields + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } + + $sql .= $this->_process_fields($fields); + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file mysqli_forge.php */ +/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php new file mode 100644 index 0000000..124d4e5 --- /dev/null +++ b/system/database/drivers/mysqli/mysqli_result.php @@ -0,0 +1,174 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @mysqli_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + while ($field = mysqli_fetch_field($this->result_id)) + { + $field_names[] = $field->name; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + while ($field = mysqli_fetch_object($this->result_id)) + { + preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); + + $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; + $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; + + $F = new stdClass(); + $F->name = $field->Field; + $F->type = $type; + $F->default = $field->Default; + $F->max_length = $length; + $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_object($this->result_id)) + { + mysqli_free_result($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return mysqli_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return mysqli_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return mysqli_fetch_object($this->result_id); + } + +} + + +/* End of file mysqli_result.php */ +/* Location: ./system/database/drivers/mysqli/mysqli_result.php */ \ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php new file mode 100644 index 0000000..e17889b --- /dev/null +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -0,0 +1,87 @@ +db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + return "REPAIR TABLE ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * MySQLi Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } +} + +/* End of file mysqli_utility.php */ +/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/oci8/index.html b/system/database/drivers/oci8/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/oci8/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php new file mode 100644 index 0000000..930177e --- /dev/null +++ b/system/database/drivers/oci8/oci8_driver.php @@ -0,0 +1,808 @@ +username, $this->password, $this->hostname, $this->char_set); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + public function db_pconnect() + { + return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + public function reconnect() + { + // not implemented in oracle + return; + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + public function db_select() + { + // Not in Oracle - schemas are actually usernames + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + public function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access protected + * @return string + */ + protected function _version() + { + return oci_server_version($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access protected called by the base class + * @param string an SQL query + * @return resource + */ + protected function _execute($sql) + { + // oracle must parse the query before it is run. All of the actions with + // the query are based on the statement id returned by ociparse + $this->stmt_id = FALSE; + $this->_set_stmt_id($sql); + oci_set_prefetch($this->stmt_id, 1000); + return @oci_execute($this->stmt_id, $this->_commit); + } + + /** + * Generate a statement ID + * + * @access private + * @param string an SQL query + * @return none + */ + private function _set_stmt_id($sql) + { + if ( ! is_resource($this->stmt_id)) + { + $this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql)); + } + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + private function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * getCursor. Returns a cursor from the datbase + * + * @access public + * @return cursor id + */ + public function get_cursor() + { + $this->curs_id = oci_new_cursor($this->conn_id); + return $this->curs_id; + } + + // -------------------------------------------------------------------- + + /** + * Stored Procedure. Executes a stored procedure + * + * @access public + * @param package package stored procedure is in + * @param procedure stored procedure to execute + * @param params array of parameters + * @return array + * + * params array keys + * + * KEY OPTIONAL NOTES + * name no the name of the parameter should be in : format + * value no the value of the parameter. If this is an OUT or IN OUT parameter, + * this should be a reference to a variable + * type yes the type of the parameter + * length yes the max size of the parameter + */ + public function stored_procedure($package, $procedure, $params) + { + if ($package == '' OR $procedure == '' OR ! is_array($params)) + { + if ($this->db_debug) + { + log_message('error', 'Invalid query: '.$package.'.'.$procedure); + return $this->display_error('db_invalid_query'); + } + return FALSE; + } + + // build the query string + $sql = "begin $package.$procedure("; + + $have_cursor = FALSE; + foreach ($params as $param) + { + $sql .= $param['name'] . ","; + + if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR)) + { + $have_cursor = TRUE; + } + } + $sql = trim($sql, ",") . "); end;"; + + $this->stmt_id = FALSE; + $this->_set_stmt_id($sql); + $this->_bind_params($params); + $this->query($sql, FALSE, $have_cursor); + } + + // -------------------------------------------------------------------- + + /** + * Bind parameters + * + * @access private + * @return none + */ + private function _bind_params($params) + { + if ( ! is_array($params) OR ! is_resource($this->stmt_id)) + { + return; + } + + foreach ($params as $param) + { + foreach (array('name', 'value', 'type', 'length') as $val) + { + if ( ! isset($param[$val])) + { + $param[$val] = ''; + } + } + + oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']); + } + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + public function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->_commit = OCI_DEFAULT; + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + public function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = oci_commit($this->conn_id); + $this->_commit = OCI_COMMIT_ON_SUCCESS; + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + public function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = oci_rollback($this->conn_id); + $this->_commit = OCI_COMMIT_ON_SUCCESS; + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + public function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + $str = remove_invisible_characters($str); + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + public function affected_rows() + { + return @oci_num_rows($this->stmt_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + public function insert_id() + { + // not supported in oracle + return $this->display_error('db_unsupported_function'); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + public function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query == FALSE) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access protected + * @param boolean + * @return string + */ + protected function _list_tables($prefix_limit = FALSE) + { + $sql = "SELECT TABLE_NAME FROM ALL_TABLES"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access protected + * @param string the table name + * @return string + */ + protected function _list_columns($table = '') + { + return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'"; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + protected function _field_data($table) + { + return "SELECT * FROM ".$table." where rownum = 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access protected + * @return string + */ + protected function _error_message() + { + // If the error was during connection, no conn_id should be passed + $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); + return $error['message']; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access protected + * @return integer + */ + protected function _error_number() + { + // Same as _error_message() + $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); + return $error['code']; + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access protected + * @param string + * @return string + */ + protected function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access protected + * @param type + * @return type + */ + protected function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return implode(', ', $tables); + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + protected function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access protected + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + protected function _insert_batch($table, $keys, $values) + { + $keys = implode(', ', $keys); + $sql = "INSERT ALL\n"; + + for ($i = 0, $c = count($values); $i < $c; $i++) + { + $sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n"; + } + + $sql .= 'SELECT * FROM dual'; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access protected + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access protected + * @param string the table name + * @return string + */ + protected function _truncate($table) + { + return "TRUNCATE TABLE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access protected + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access protected + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + protected function _limit($sql, $limit, $offset) + { + $limit = $offset + $limit; + $newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)"; + + if ($offset != 0) + { + $newsql .= " WHERE rnum >= $offset"; + } + + // remember that we used limits + $this->limit_used = TRUE; + + return $newsql; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access protected + * @param resource + * @return void + */ + protected function _close($conn_id) + { + @oci_close($conn_id); + } + + +} + + + +/* End of file oci8_driver.php */ +/* Location: ./system/database/drivers/oci8/oci8_driver.php */ diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php new file mode 100644 index 0000000..3cd1758 --- /dev/null +++ b/system/database/drivers/oci8/oci8_forge.php @@ -0,0 +1,248 @@ +db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + + +} + +/* End of file oci8_forge.php */ +/* Location: ./system/database/drivers/oci8/oci8_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php new file mode 100644 index 0000000..3421278 --- /dev/null +++ b/system/database/drivers/oci8/oci8_result.php @@ -0,0 +1,217 @@ +num_rows === 0 && count($this->result_array()) > 0) + { + $this->num_rows = count($this->result_array()); + @oci_execute($this->stmt_id); + + if ($this->curs_id) + { + @oci_execute($this->curs_id); + } + } + + return $this->num_rows; + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + public function num_fields() + { + $count = @oci_num_fields($this->stmt_id); + + // if we used a limit we subtract it + if ($this->limit_used) + { + $count = $count - 1; + } + + return $count; + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + public function list_fields() + { + $field_names = array(); + for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++) + { + $field_names[] = oci_field_name($this->stmt_id, $c); + } + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + public function field_data() + { + $retval = array(); + for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++) + { + $F = new stdClass(); + $F->name = oci_field_name($this->stmt_id, $c); + $F->type = oci_field_type($this->stmt_id, $c); + $F->max_length = oci_field_size($this->stmt_id, $c); + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + public function free_result() + { + if (is_resource($this->result_id)) + { + oci_free_statement($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access protected + * @return array + */ + protected function _fetch_assoc() + { + $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; + return oci_fetch_assoc($id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access protected + * @return object + */ + protected function _fetch_object() + { + $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; + return @oci_fetch_object($id); + } + + // -------------------------------------------------------------------- + + /** + * Query result. "array" version. + * + * @access public + * @return array + */ + public function result_array() + { + if (count($this->result_array) > 0) + { + return $this->result_array; + } + + $row = NULL; + while ($row = $this->_fetch_assoc()) + { + $this->result_array[] = $row; + } + + return $this->result_array; + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access protected + * @return array + */ + protected function _data_seek($n = 0) + { + return FALSE; // Not needed + } + +} + + +/* End of file oci8_result.php */ +/* Location: ./system/database/drivers/oci8/oci8_result.php */ diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php new file mode 100644 index 0000000..854b467 --- /dev/null +++ b/system/database/drivers/oci8/oci8_utility.php @@ -0,0 +1,87 @@ +db->display_error('db_unsuported_feature'); + } +} + +/* End of file oci8_utility.php */ +/* Location: ./system/database/drivers/oci8/oci8_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/odbc/index.html b/system/database/drivers/odbc/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/odbc/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php new file mode 100644 index 0000000..bcd7937 --- /dev/null +++ b/system/database/drivers/odbc/odbc_driver.php @@ -0,0 +1,637 @@ +_random_keyword = ' RND('.time().')'; // database specific random keyword + } + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + return @odbc_connect($this->hostname, $this->username, $this->password); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return @odbc_pconnect($this->hostname, $this->username, $this->password); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + // not implemented in odbc + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Not needed for ODBC + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @odbc_exec($this->conn_id, $sql); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + return odbc_autocommit($this->conn_id, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = odbc_commit($this->conn_id); + odbc_autocommit($this->conn_id, TRUE); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = odbc_rollback($this->conn_id); + odbc_autocommit($this->conn_id, TRUE); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + // ODBC doesn't require escaping + $str = remove_invisible_characters($str); + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @odbc_num_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @odbc_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM `".$this->database."`"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return FALSE; // not currently supported + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return odbc_errormsg($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return odbc_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return $this->_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + // Does ODBC doesn't use the LIMIT clause? + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @odbc_close($conn_id); + } + + +} + + + +/* End of file odbc_driver.php */ +/* Location: ./system/database/drivers/odbc/odbc_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php new file mode 100644 index 0000000..3ec86b4 --- /dev/null +++ b/system/database/drivers/odbc/odbc_forge.php @@ -0,0 +1,266 @@ +db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + // ODBC has no "drop database" command since it's + // designed to connect to an existing database + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + // Not a supported ODBC feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + + +} + +/* End of file odbc_forge.php */ +/* Location: ./system/database/drivers/odbc/odbc_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php new file mode 100644 index 0000000..5d64a46 --- /dev/null +++ b/system/database/drivers/odbc/odbc_result.php @@ -0,0 +1,228 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @odbc_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $field_names[] = odbc_field_name($this->result_id, $i); + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $F = new stdClass(); + $F->name = odbc_field_name($this->result_id, $i); + $F->type = odbc_field_type($this->result_id, $i); + $F->max_length = odbc_field_len($this->result_id, $i); + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + odbc_free_result($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + if (function_exists('odbc_fetch_object')) + { + return odbc_fetch_array($this->result_id); + } + else + { + return $this->_odbc_fetch_array($this->result_id); + } + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + if (function_exists('odbc_fetch_object')) + { + return odbc_fetch_object($this->result_id); + } + else + { + return $this->_odbc_fetch_object($this->result_id); + } + } + + + /** + * Result - object + * + * subsititutes the odbc_fetch_object function when + * not available (odbc_fetch_object requires unixODBC) + * + * @access private + * @return object + */ + function _odbc_fetch_object(& $odbc_result) { + $rs = array(); + $rs_obj = FALSE; + if (odbc_fetch_into($odbc_result, $rs)) { + foreach ($rs as $k=>$v) { + $field_name= odbc_field_name($odbc_result, $k+1); + $rs_obj->$field_name = $v; + } + } + return $rs_obj; + } + + + /** + * Result - array + * + * subsititutes the odbc_fetch_array function when + * not available (odbc_fetch_array requires unixODBC) + * + * @access private + * @return array + */ + function _odbc_fetch_array(& $odbc_result) { + $rs = array(); + $rs_assoc = FALSE; + if (odbc_fetch_into($odbc_result, $rs)) { + $rs_assoc=array(); + foreach ($rs as $k=>$v) { + $field_name= odbc_field_name($odbc_result, $k+1); + $rs_assoc[$field_name] = $v; + } + } + return $rs_assoc; + } + +} + + +/* End of file odbc_result.php */ +/* Location: ./system/database/drivers/odbc/odbc_result.php */ \ No newline at end of file diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php new file mode 100644 index 0000000..d335bed --- /dev/null +++ b/system/database/drivers/odbc/odbc_utility.php @@ -0,0 +1,103 @@ +db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + */ + function _optimize_table($table) + { + // Not a supported ODBC feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + // Not a supported ODBC feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * ODBC Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } + +} + +/* End of file odbc_utility.php */ +/* Location: ./system/database/drivers/odbc/odbc_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/pdo/index.html b/system/database/drivers/pdo/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/pdo/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php new file mode 100644 index 0000000..1ecc90a --- /dev/null +++ b/system/database/drivers/pdo/pdo_driver.php @@ -0,0 +1,812 @@ +hostname, 'mysql') !== FALSE) + { + $this->_like_escape_str = ''; + $this->_like_escape_chr = ''; + + //Prior to this version, the charset can't be set in the dsn + if(is_php('5.3.6')) + { + $this->hostname .= ";charset={$this->char_set}"; + } + + //Set the charset with the connection options + $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}"; + } + elseif (strpos($this->hostname, 'odbc') !== FALSE) + { + $this->_like_escape_str = " {escape '%s'} "; + $this->_like_escape_chr = '!'; + } + else + { + $this->_like_escape_str = " ESCAPE '%s' "; + $this->_like_escape_chr = '!'; + } + + empty($this->database) OR $this->hostname .= ';dbname='.$this->database; + + $this->trans_enabled = FALSE; + + $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + } + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; + + return new PDO($this->hostname, $this->username, $this->password, $this->options); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; + $this->options['PDO::ATTR_PERSISTENT'] = TRUE; + + return new PDO($this->hostname, $this->username, $this->password, $this->options); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Not needed for PDO + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return object + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + $result_id = $this->conn_id->prepare($sql); + $result_id->execute(); + + if (is_object($result_id)) + { + if (is_numeric(stripos($sql, 'SELECT'))) + { + $this->affect_rows = count($result_id->fetchAll()); + $result_id->execute(); + } + else + { + $this->affect_rows = $result_id->rowCount(); + } + } + else + { + $this->affect_rows = 0; + } + + return $result_id; + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = (bool) ($test_mode === TRUE); + + return $this->conn_id->beginTransaction(); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = $this->conn->commit(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $ret = $this->conn_id->rollBack(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + //Escape the string + $str = $this->conn_id->quote($str); + + //If there are duplicated quotes, trim them away + if (strpos($str, "'") === 0) + { + $str = substr($str, 1, -1); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return $this->affect_rows; + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id($name=NULL) + { + //Convenience method for postgres insertid + if (strpos($this->hostname, 'pgsql') !== FALSE) + { + $v = $this->_version(); + + $table = func_num_args() > 0 ? func_get_arg(0) : NULL; + + if ($table == NULL && $v >= '8.1') + { + $sql='SELECT LASTVAL() as ins_id'; + } + $query = $this->query($sql); + $row = $query->row(); + return $row->ins_id; + } + else + { + return $this->conn_id->lastInsertId($name); + } + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM `".$this->database."`"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return FALSE; // not currently supported + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + $error_array = $this->conn_id->errorInfo(); + return $error_array[2]; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return $this->conn_id->errorCode(); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return $this->_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + else + { + $sql .= "LIMIT ".$limit; + + if ($offset > 0) + { + $sql .= " OFFSET ".$offset; + } + + return $sql; + } + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + $this->conn_id = null; + } + + +} + + + +/* End of file pdo_driver.php */ +/* Location: ./system/database/drivers/pdo/pdo_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php new file mode 100644 index 0000000..9a78220 --- /dev/null +++ b/system/database/drivers/pdo/pdo_forge.php @@ -0,0 +1,266 @@ +db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + // PDO has no "drop database" command since it's + // designed to connect to an existing database + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + + +} + +/* End of file pdo_forge.php */ +/* Location: ./system/database/drivers/pdo/pdo_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php new file mode 100644 index 0000000..44fdd6d --- /dev/null +++ b/system/database/drivers/pdo/pdo_result.php @@ -0,0 +1,183 @@ +num_rows)) + { + return $this->num_rows; + } + elseif (($this->num_rows = $this->result_id->rowCount()) > 0) + { + return $this->num_rows; + } + + $this->num_rows = count($this->result_id->fetchAll()); + $this->result_id->execute(); + return $this->num_rows; + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return $this->result_id->columnCount(); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $data = array(); + + try + { + for($i = 0; $i < $this->num_fields(); $i++) + { + $data[] = $this->result_id->getColumnMeta($i); + } + + return $data; + } + catch (Exception $e) + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_object($this->result_id)) + { + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return $this->result_id->fetch(PDO::FETCH_ASSOC); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return $this->result_id->fetchObject(); + } + +} + + +/* End of file pdo_result.php */ +/* Location: ./system/database/drivers/pdo/pdo_result.php */ \ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php new file mode 100644 index 0000000..88ce033 --- /dev/null +++ b/system/database/drivers/pdo/pdo_utility.php @@ -0,0 +1,103 @@ +db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + */ + function _optimize_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + // Not a supported PDO feature + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * PDO Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } + +} + +/* End of file pdo_utility.php */ +/* Location: ./system/database/drivers/pdo/pdo_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/postgre/index.html b/system/database/drivers/postgre/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/postgre/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php new file mode 100644 index 0000000..5367f97 --- /dev/null +++ b/system/database/drivers/postgre/postgre_driver.php @@ -0,0 +1,703 @@ + 'host', + 'port' => 'port', + 'database' => 'dbname', + 'username' => 'user', + 'password' => 'password' + ); + + $connect_string = ""; + foreach ($components as $key => $val) + { + if (isset($this->$key) && $this->$key != '') + { + $connect_string .= " $val=".$this->$key; + } + } + return trim($connect_string); + } + + // -------------------------------------------------------------------- + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + return @pg_connect($this->_connect_string()); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return @pg_pconnect($this->_connect_string()); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (pg_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Not needed for Postgre so we'll return TRUE + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return "SELECT version() AS ver"; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @pg_query($this->conn_id, $sql); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + return @pg_exec($this->conn_id, "begin"); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return @pg_exec($this->conn_id, "commit"); + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return @pg_exec($this->conn_id, "rollback"); + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + $str = pg_escape_string($str); + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @pg_affected_rows($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + $v = $this->_version(); + $v = $v['server']; + + $table = func_num_args() > 0 ? func_get_arg(0) : NULL; + $column = func_num_args() > 1 ? func_get_arg(1) : NULL; + + if ($table == NULL && $v >= '8.1') + { + $sql='SELECT LASTVAL() as ins_id'; + } + elseif ($table != NULL && $column != NULL && $v >= '8.0') + { + $sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column); + $query = $this->query($sql); + $row = $query->row(); + $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq); + } + elseif ($table != NULL) + { + // seq_name passed in table parameter + $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table); + } + else + { + return pg_last_oid($this->result_id); + } + $query = $this->query($sql); + $row = $query->row(); + return $row->ins_id; + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'"; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT * FROM ".$table." LIMIT 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return pg_last_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return ''; + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return implode(', ', $tables); + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $sql .= "LIMIT ".$limit; + + if ($offset > 0) + { + $sql .= " OFFSET ".$offset; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @pg_close($conn_id); + } + + +} + + +/* End of file postgre_driver.php */ +/* Location: ./system/database/drivers/postgre/postgre_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php new file mode 100644 index 0000000..91a1c68 --- /dev/null +++ b/system/database/drivers/postgre/postgre_forge.php @@ -0,0 +1,299 @@ +db->table_exists($table)) + { + return "SELECT * FROM $table"; // Needs to return innocous but valid SQL statement + } + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE); + + // Convert datatypes to be PostgreSQL-compatible + switch (strtoupper($attributes['TYPE'])) + { + case 'TINYINT': + $attributes['TYPE'] = 'SMALLINT'; + break; + case 'SMALLINT': + $attributes['TYPE'] = ($is_unsigned) ? 'INTEGER' : 'SMALLINT'; + break; + case 'MEDIUMINT': + $attributes['TYPE'] = 'INTEGER'; + break; + case 'INT': + $attributes['TYPE'] = ($is_unsigned) ? 'BIGINT' : 'INTEGER'; + break; + case 'BIGINT': + $attributes['TYPE'] = ($is_unsigned) ? 'NUMERIC' : 'BIGINT'; + break; + case 'DOUBLE': + $attributes['TYPE'] = 'DOUBLE PRECISION'; + break; + case 'DATETIME': + $attributes['TYPE'] = 'TIMESTAMP'; + break; + case 'LONGTEXT': + $attributes['TYPE'] = 'TEXT'; + break; + case 'BLOB': + $attributes['TYPE'] = 'BYTEA'; + break; + } + + // If this is an auto-incrementing primary key, use the serial data type instead + if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes) + && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' SERIAL'; + } + else + { + $sql .= ' '.$attributes['TYPE']; + } + + // Modified to prevent constraints with integer data types + if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + // Added new attribute to create unqite fields. Also works with MySQL + if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) + { + $sql .= ' UNIQUE'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + // Something seems to break when passing an array to _protect_identifiers() + foreach ($primary_keys as $index => $key) + { + $primary_keys[$index] = $this->db->_protect_identifiers($key); + } + + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + $sql .= "\n);"; + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + foreach ($key as $field) + { + $sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); "; + } + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table)." CASCADE"; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + + +} + +/* End of file postgre_forge.php */ +/* Location: ./system/database/drivers/postgre/postgre_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php new file mode 100644 index 0000000..e9a1d16 --- /dev/null +++ b/system/database/drivers/postgre/postgre_result.php @@ -0,0 +1,169 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @pg_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $field_names[] = pg_field_name($this->result_id, $i); + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $F = new stdClass(); + $F->name = pg_field_name($this->result_id, $i); + $F->type = pg_field_type($this->result_id, $i); + $F->max_length = pg_field_size($this->result_id, $i); + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + pg_free_result($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return pg_result_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return pg_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return pg_fetch_object($this->result_id); + } + +} + + +/* End of file postgre_result.php */ +/* Location: ./system/database/drivers/postgre/postgre_result.php */ \ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php new file mode 100644 index 0000000..741c52e --- /dev/null +++ b/system/database/drivers/postgre/postgre_utility.php @@ -0,0 +1,88 @@ +db->display_error('db_unsuported_feature'); + } +} + + +/* End of file postgre_utility.php */ +/* Location: ./system/database/drivers/postgre/postgre_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlite/index.html b/system/database/drivers/sqlite/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/sqlite/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php new file mode 100644 index 0000000..0cc898b --- /dev/null +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -0,0 +1,658 @@ +database, FILE_WRITE_MODE, $error)) + { + log_message('error', $error); + + if ($this->db_debug) + { + $this->display_error($error, '', TRUE); + } + + return FALSE; + } + + return $conn_id; + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error)) + { + log_message('error', $error); + + if ($this->db_debug) + { + $this->display_error($error, '', TRUE); + } + + return FALSE; + } + + return $conn_id; + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + // not implemented in SQLite + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return sqlite_libversion(); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @sqlite_query($this->conn_id, $sql); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->simple_query('BEGIN TRANSACTION'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('COMMIT'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + $this->simple_query('ROLLBACK'); + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + $str = sqlite_escape_string($str); + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return sqlite_changes($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @sqlite_last_insert_rowid($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SELECT name from sqlite_master WHERE type='table'"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + // Not supported + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT * FROM ".$table." LIMIT 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return sqlite_error_string(sqlite_last_error($this->conn_id)); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return sqlite_last_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return $this->_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @sqlite_close($conn_id); + } + + +} + + +/* End of file sqlite_driver.php */ +/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php new file mode 100644 index 0000000..5690408 --- /dev/null +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -0,0 +1,265 @@ +db->database) OR ! @unlink($this->db->database)) + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unable_to_drop'); + } + return FALSE; + } + return TRUE; + } + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + // IF NOT EXISTS added to SQLite in 3.3.0 + if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)."("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * Unsupported feature in SQLite + * + * @access private + * @return bool + */ + function _drop_table($table) + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return array(); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + // SQLite does not support dropping columns + // http://www.sqlite.org/omitted.html + // http://www.sqlite.org/faq.html#q11 + return FALSE; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } +} + +/* End of file sqlite_forge.php */ +/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php new file mode 100644 index 0000000..7bd30db --- /dev/null +++ b/system/database/drivers/sqlite/sqlite_result.php @@ -0,0 +1,179 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @sqlite_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $field_names[] = sqlite_field_name($this->result_id, $i); + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + for ($i = 0; $i < $this->num_fields(); $i++) + { + $F = new stdClass(); + $F->name = sqlite_field_name($this->result_id, $i); + $F->type = 'varchar'; + $F->max_length = 0; + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + // Not implemented in SQLite + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return sqlite_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return sqlite_fetch_array($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + if (function_exists('sqlite_fetch_object')) + { + return sqlite_fetch_object($this->result_id); + } + else + { + $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC); + if (is_array($arr)) + { + $obj = (object) $arr; + return $obj; + } else { + return NULL; + } + } + } + +} + + +/* End of file sqlite_result.php */ +/* Location: ./system/database/drivers/sqlite/sqlite_result.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php new file mode 100644 index 0000000..508023e --- /dev/null +++ b/system/database/drivers/sqlite/sqlite_utility.php @@ -0,0 +1,96 @@ +db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return array(); + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Is optimization even supported in SQLite? + * + * @access private + * @param string the table name + * @return object + */ + function _optimize_table($table) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Are table repairs even supported in SQLite? + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * SQLite Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } +} + +/* End of file sqlite_utility.php */ +/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlsrv/index.html b/system/database/drivers/sqlsrv/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/drivers/sqlsrv/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php new file mode 100644 index 0000000..400fd31 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -0,0 +1,599 @@ +char_set)) ? 'UTF-8' : $this->char_set; + + $connection = array( + 'UID' => empty($this->username) ? '' : $this->username, + 'PWD' => empty($this->password) ? '' : $this->password, + 'Database' => $this->database, + 'ConnectionPooling' => $pooling ? 1 : 0, + 'CharacterSet' => $character_set, + 'ReturnDatesAsStrings' => 1 + ); + + // If the username and password are both empty, assume this is a + // 'Windows Authentication Mode' connection. + if(empty($connection['UID']) && empty($connection['PWD'])) { + unset($connection['UID'], $connection['PWD']); + } + + return sqlsrv_connect($this->hostname, $connection); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + $this->db_connect(TRUE); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + // not implemented in MSSQL + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + return $this->_execute('USE ' . $this->database); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return sqlsrv_query($this->conn_id, $sql, null, array( + 'Scrollable' => SQLSRV_CURSOR_STATIC, + 'SendStreamParamsAtExec' => true + )); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + return sqlsrv_begin_transaction($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return sqlsrv_commit($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return sqlsrv_rollback($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + // Escape single quotes + return str_replace("'", "''", $str); + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @sqlrv_rows_affected($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * Returns the last id created in the Identity column. + * + * @access public + * @return integer + */ + function insert_id() + { + return $this->query('select @@IDENTITY as insert_id')->row('insert_id'); + } + + // -------------------------------------------------------------------- + + /** + * Parse major version + * + * Grabs the major version number from the + * database server version string passed in. + * + * @access private + * @param string $version + * @return int16 major version number + */ + function _parse_major_version($version) + { + preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); + return $ver_info[1]; // return the major version b/c that's all we're interested in. + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + $info = sqlsrv_server_info($this->conn_id); + return sprintf("select '%s' as ver", $info['SQLServerVersion']); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($table = '') + { + if ($table == '') + return '0'; + + $query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table); + + if ($query->num_rows() == 0) + return '0'; + + $row = $query->row(); + $this->_reset_select(); + return $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; + } + + // -------------------------------------------------------------------- + + /** + * List column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access private + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'"; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 * FROM " . $this->_escape_table($table); + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + $error = array_shift(sqlsrv_errors()); + return !empty($error['message']) ? $error['message'] : null; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + $error = array_shift(sqlsrv_errors()); + return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null; + } + + // -------------------------------------------------------------------- + + /** + * Escape Table Name + * + * This function adds backticks if the table name has a period + * in it. Some DBs will get cranky unless periods are escaped + * + * @access private + * @param string the table name + * @return string + */ + function _escape_table($table) + { + return $table; + } + + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + return $item; + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return implode(', ', $tables); + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where) + { + foreach($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where); + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where) + { + return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where); + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $i = $limit + $offset; + + return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql); + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @sqlsrv_close($conn_id); + } + +} + + + +/* End of file mssql_driver.php */ +/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php new file mode 100644 index 0000000..cc88ec5 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -0,0 +1,248 @@ +db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + $sql .= 'IF NOT EXISTS '; + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $current_field_count = 0; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->_protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->_protect_identifiers($key); + } + else + { + $key = array($this->db->_protect_identifiers($key)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + // I think this syntax will work, but can find little documentation on renaming tables in MSSQL + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file mssql_forge.php */ +/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php new file mode 100644 index 0000000..bf0abd1 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_result.php @@ -0,0 +1,169 @@ +result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @sqlsrv_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field) + { + $field_names[] = $field['Name']; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field) + { + $F = new stdClass(); + $F->name = $field['Name']; + $F->type = $field['Type']; + $F->max_length = $field['Size']; + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + sqlsrv_free_stmt($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + // Not implemented + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return sqlsrv_fetch_object($this->result_id); + } + +} + + +/* End of file mssql_result.php */ +/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php new file mode 100644 index 0000000..13a1850 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php @@ -0,0 +1,88 @@ +db->display_error('db_unsuported_feature'); + } + +} + +/* End of file mssql_utility.php */ +/* Location: ./system/database/drivers/mssql/mssql_utility.php */ \ No newline at end of file diff --git a/system/database/index.html b/system/database/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/database/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/fonts/index.html b/system/fonts/index.html new file mode 100644 index 0000000..c942a79 --- /dev/null +++ b/system/fonts/index.html @@ -0,0 +1,10 @@ + + + 403 Forbidden + + + +

Directory access is forbidden.

+ + + \ No newline at end of file diff --git a/system/fonts/texb.ttf b/system/fonts/texb.ttf new file mode 100644 index 0000000..383c88b Binary files /dev/null and b/system/fonts/texb.ttf differ diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php new file mode 100644 index 0000000..075a31f --- /dev/null +++ b/system/helpers/array_helper.php @@ -0,0 +1,119 @@ + '', 'img_path' => '', 'img_url' => '', 'img_width' => '150', 'img_height' => '30', 'font_path' => '', 'expiration' => 7200); + + foreach ($defaults as $key => $val) + { + if ( ! is_array($data)) + { + if ( ! isset($$key) OR $$key == '') + { + $$key = $val; + } + } + else + { + $$key = ( ! isset($data[$key])) ? $val : $data[$key]; + } + } + + if ($img_path == '' OR $img_url == '') + { + return FALSE; + } + + if ( ! @is_dir($img_path)) + { + return FALSE; + } + + if ( ! is_writable($img_path)) + { + return FALSE; + } + + if ( ! extension_loaded('gd')) + { + return FALSE; + } + + // ----------------------------------- + // Remove old images + // ----------------------------------- + + list($usec, $sec) = explode(" ", microtime()); + $now = ((float)$usec + (float)$sec); + + $current_dir = @opendir($img_path); + + while ($filename = @readdir($current_dir)) + { + if ($filename != "." and $filename != ".." and $filename != "index.html") + { + $name = str_replace(".jpg", "", $filename); + + if (($name + $expiration) < $now) + { + @unlink($img_path.$filename); + } + } + } + + @closedir($current_dir); + + // ----------------------------------- + // Do we have a "word" yet? + // ----------------------------------- + + if ($word == '') + { + $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; + + $str = ''; + for ($i = 0; $i < 8; $i++) + { + $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1); + } + + $word = $str; + } + + // ----------------------------------- + // Determine angle and position + // ----------------------------------- + + $length = strlen($word); + $angle = ($length >= 6) ? rand(-($length-6), ($length-6)) : 0; + $x_axis = rand(6, (360/$length)-16); + $y_axis = ($angle >= 0 ) ? rand($img_height, $img_width) : rand(6, $img_height); + + // ----------------------------------- + // Create image + // ----------------------------------- + + // PHP.net recommends imagecreatetruecolor(), but it isn't always available + if (function_exists('imagecreatetruecolor')) + { + $im = imagecreatetruecolor($img_width, $img_height); + } + else + { + $im = imagecreate($img_width, $img_height); + } + + // ----------------------------------- + // Assign colors + // ----------------------------------- + + $bg_color = imagecolorallocate ($im, 255, 255, 255); + $border_color = imagecolorallocate ($im, 153, 102, 102); + $text_color = imagecolorallocate ($im, 204, 153, 153); + $grid_color = imagecolorallocate($im, 255, 182, 182); + $shadow_color = imagecolorallocate($im, 255, 240, 240); + + // ----------------------------------- + // Create the rectangle + // ----------------------------------- + + ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $bg_color); + + // ----------------------------------- + // Create the spiral pattern + // ----------------------------------- + + $theta = 1; + $thetac = 7; + $radius = 16; + $circles = 20; + $points = 32; + + for ($i = 0; $i < ($circles * $points) - 1; $i++) + { + $theta = $theta + $thetac; + $rad = $radius * ($i / $points ); + $x = ($rad * cos($theta)) + $x_axis; + $y = ($rad * sin($theta)) + $y_axis; + $theta = $theta + $thetac; + $rad1 = $radius * (($i + 1) / $points); + $x1 = ($rad1 * cos($theta)) + $x_axis; + $y1 = ($rad1 * sin($theta )) + $y_axis; + imageline($im, $x, $y, $x1, $y1, $grid_color); + $theta = $theta - $thetac; + } + + // ----------------------------------- + // Write the text + // ----------------------------------- + + $use_font = ($font_path != '' AND file_exists($font_path) AND function_exists('imagettftext')) ? TRUE : FALSE; + + if ($use_font == FALSE) + { + $font_size = 5; + $x = rand(0, $img_width/($length/3)); + $y = 0; + } + else + { + $font_size = 16; + $x = rand(0, $img_width/($length/1.5)); + $y = $font_size+2; + } + + for ($i = 0; $i < strlen($word); $i++) + { + if ($use_font == FALSE) + { + $y = rand(0 , $img_height/2); + imagestring($im, $font_size, $x, $y, substr($word, $i, 1), $text_color); + $x += ($font_size*2); + } + else + { + $y = rand($img_height/2, $img_height-3); + imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_path, substr($word, $i, 1)); + $x += $font_size; + } + } + + + // ----------------------------------- + // Create the border + // ----------------------------------- + + imagerectangle($im, 0, 0, $img_width-1, $img_height-1, $border_color); + + // ----------------------------------- + // Generate the image + // ----------------------------------- + + $img_name = $now.'.jpg'; + + ImageJPEG($im, $img_path.$img_name); + + $img = "\""; + + ImageDestroy($im); + + return array('word' => $word, 'time' => $now, 'image' => $img); + } +} + +// ------------------------------------------------------------------------ + +/* End of file captcha_helper.php */ +/* Location: ./system/heleprs/captcha_helper.php */ \ No newline at end of file diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php new file mode 100644 index 0000000..7cee028 --- /dev/null +++ b/system/helpers/cookie_helper.php @@ -0,0 +1,103 @@ +input->set_cookie($name, $value, $expire, $domain, $path, $prefix, $secure); + } +} + +// -------------------------------------------------------------------- + +/** + * Fetch an item from the COOKIE array + * + * @access public + * @param string + * @param bool + * @return mixed + */ +if ( ! function_exists('get_cookie')) +{ + function get_cookie($index = '', $xss_clean = FALSE) + { + $CI =& get_instance(); + + $prefix = ''; + + if ( ! isset($_COOKIE[$index]) && config_item('cookie_prefix') != '') + { + $prefix = config_item('cookie_prefix'); + } + + return $CI->input->cookie($prefix.$index, $xss_clean); + } +} + +// -------------------------------------------------------------------- + +/** + * Delete a COOKIE + * + * @param mixed + * @param string the cookie domain. Usually: .yourdomain.com + * @param string the cookie path + * @param string the cookie prefix + * @return void + */ +if ( ! function_exists('delete_cookie')) +{ + function delete_cookie($name = '', $domain = '', $path = '/', $prefix = '') + { + set_cookie($name, '', '', $domain, $path, $prefix); + } +} + + +/* End of file cookie_helper.php */ +/* Location: ./system/helpers/cookie_helper.php */ \ No newline at end of file diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php new file mode 100644 index 0000000..0aeb7fa --- /dev/null +++ b/system/helpers/date_helper.php @@ -0,0 +1,611 @@ +config->item('time_reference')) == 'gmt') + { + $now = time(); + $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now)); + + if (strlen($system_time) < 10) + { + $system_time = time(); + log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.'); + } + + return $system_time; + } + else + { + return time(); + } + } +} + +// ------------------------------------------------------------------------ + +/** + * Convert MySQL Style Datecodes + * + * This function is identical to PHPs date() function, + * except that it allows date codes to be formatted using + * the MySQL style, where each code letter is preceded + * with a percent sign: %Y %m %d etc... + * + * The benefit of doing dates this way is that you don't + * have to worry about escaping your text letters that + * match the date codes. + * + * @access public + * @param string + * @param integer + * @return integer + */ +if ( ! function_exists('mdate')) +{ + function mdate($datestr = '', $time = '') + { + if ($datestr == '') + return ''; + + if ($time == '') + $time = now(); + + $datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr)); + return date($datestr, $time); + } +} + +// ------------------------------------------------------------------------ + +/** + * Standard Date + * + * Returns a date formatted according to the submitted standard. + * + * @access public + * @param string the chosen format + * @param integer Unix timestamp + * @return string + */ +if ( ! function_exists('standard_date')) +{ + function standard_date($fmt = 'DATE_RFC822', $time = '') + { + $formats = array( + 'DATE_ATOM' => '%Y-%m-%dT%H:%i:%s%Q', + 'DATE_COOKIE' => '%l, %d-%M-%y %H:%i:%s UTC', + 'DATE_ISO8601' => '%Y-%m-%dT%H:%i:%s%Q', + 'DATE_RFC822' => '%D, %d %M %y %H:%i:%s %O', + 'DATE_RFC850' => '%l, %d-%M-%y %H:%i:%s UTC', + 'DATE_RFC1036' => '%D, %d %M %y %H:%i:%s %O', + 'DATE_RFC1123' => '%D, %d %M %Y %H:%i:%s %O', + 'DATE_RSS' => '%D, %d %M %Y %H:%i:%s %O', + 'DATE_W3C' => '%Y-%m-%dT%H:%i:%s%Q' + ); + + if ( ! isset($formats[$fmt])) + { + return FALSE; + } + + return mdate($formats[$fmt], $time); + } +} + +// ------------------------------------------------------------------------ + +/** + * Timespan + * + * Returns a span of seconds in this format: + * 10 days 14 hours 36 minutes 47 seconds + * + * @access public + * @param integer a number of seconds + * @param integer Unix timestamp + * @return integer + */ +if ( ! function_exists('timespan')) +{ + function timespan($seconds = 1, $time = '') + { + $CI =& get_instance(); + $CI->lang->load('date'); + + if ( ! is_numeric($seconds)) + { + $seconds = 1; + } + + if ( ! is_numeric($time)) + { + $time = time(); + } + + if ($time <= $seconds) + { + $seconds = 1; + } + else + { + $seconds = $time - $seconds; + } + + $str = ''; + $years = floor($seconds / 31536000); + + if ($years > 0) + { + $str .= $years.' '.$CI->lang->line((($years > 1) ? 'date_years' : 'date_year')).', '; + } + + $seconds -= $years * 31536000; + $months = floor($seconds / 2628000); + + if ($years > 0 OR $months > 0) + { + if ($months > 0) + { + $str .= $months.' '.$CI->lang->line((($months > 1) ? 'date_months' : 'date_month')).', '; + } + + $seconds -= $months * 2628000; + } + + $weeks = floor($seconds / 604800); + + if ($years > 0 OR $months > 0 OR $weeks > 0) + { + if ($weeks > 0) + { + $str .= $weeks.' '.$CI->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', '; + } + + $seconds -= $weeks * 604800; + } + + $days = floor($seconds / 86400); + + if ($months > 0 OR $weeks > 0 OR $days > 0) + { + if ($days > 0) + { + $str .= $days.' '.$CI->lang->line((($days > 1) ? 'date_days' : 'date_day')).', '; + } + + $seconds -= $days * 86400; + } + + $hours = floor($seconds / 3600); + + if ($days > 0 OR $hours > 0) + { + if ($hours > 0) + { + $str .= $hours.' '.$CI->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', '; + } + + $seconds -= $hours * 3600; + } + + $minutes = floor($seconds / 60); + + if ($days > 0 OR $hours > 0 OR $minutes > 0) + { + if ($minutes > 0) + { + $str .= $minutes.' '.$CI->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minute')).', '; + } + + $seconds -= $minutes * 60; + } + + if ($str == '') + { + $str .= $seconds.' '.$CI->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', '; + } + + return substr(trim($str), 0, -1); + } +} + +// ------------------------------------------------------------------------ + +/** + * Number of days in a month + * + * Takes a month/year as input and returns the number of days + * for the given month/year. Takes leap years into consideration. + * + * @access public + * @param integer a numeric month + * @param integer a numeric year + * @return integer + */ +if ( ! function_exists('days_in_month')) +{ + function days_in_month($month = 0, $year = '') + { + if ($month < 1 OR $month > 12) + { + return 0; + } + + if ( ! is_numeric($year) OR strlen($year) != 4) + { + $year = date('Y'); + } + + if ($month == 2) + { + if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0)) + { + return 29; + } + } + + $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); + return $days_in_month[$month - 1]; + } +} + +// ------------------------------------------------------------------------ + +/** + * Converts a local Unix timestamp to GMT + * + * @access public + * @param integer Unix timestamp + * @return integer + */ +if ( ! function_exists('local_to_gmt')) +{ + function local_to_gmt($time = '') + { + if ($time == '') + $time = time(); + + return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time)); + } +} + +// ------------------------------------------------------------------------ + +/** + * Converts GMT time to a localized value + * + * Takes a Unix timestamp (in GMT) as input, and returns + * at the local value based on the timezone and DST setting + * submitted + * + * @access public + * @param integer Unix timestamp + * @param string timezone + * @param bool whether DST is active + * @return integer + */ +if ( ! function_exists('gmt_to_local')) +{ + function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE) + { + if ($time == '') + { + return now(); + } + + $time += timezones($timezone) * 3600; + + if ($dst == TRUE) + { + $time += 3600; + } + + return $time; + } +} + +// ------------------------------------------------------------------------ + +/** + * Converts a MySQL Timestamp to Unix + * + * @access public + * @param integer Unix timestamp + * @return integer + */ +if ( ! function_exists('mysql_to_unix')) +{ + function mysql_to_unix($time = '') + { + // We'll remove certain characters for backward compatibility + // since the formatting changed with MySQL 4.1 + // YYYY-MM-DD HH:MM:SS + + $time = str_replace('-', '', $time); + $time = str_replace(':', '', $time); + $time = str_replace(' ', '', $time); + + // YYYYMMDDHHMMSS + return mktime( + substr($time, 8, 2), + substr($time, 10, 2), + substr($time, 12, 2), + substr($time, 4, 2), + substr($time, 6, 2), + substr($time, 0, 4) + ); + } +} + +// ------------------------------------------------------------------------ + +/** + * Unix to "Human" + * + * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM + * + * @access public + * @param integer Unix timestamp + * @param bool whether to show seconds + * @param string format: us or euro + * @return string + */ +if ( ! function_exists('unix_to_human')) +{ + function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us') + { + $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' '; + + if ($fmt == 'us') + { + $r .= date('h', $time).':'.date('i', $time); + } + else + { + $r .= date('H', $time).':'.date('i', $time); + } + + if ($seconds) + { + $r .= ':'.date('s', $time); + } + + if ($fmt == 'us') + { + $r .= ' '.date('A', $time); + } + + return $r; + } +} + +// ------------------------------------------------------------------------ + +/** + * Convert "human" date to GMT + * + * Reverses the above process + * + * @access public + * @param string format: us or euro + * @return integer + */ +if ( ! function_exists('human_to_unix')) +{ + function human_to_unix($datestr = '') + { + if ($datestr == '') + { + return FALSE; + } + + $datestr = trim($datestr); + $datestr = preg_replace("/\040+/", ' ', $datestr); + + if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr)) + { + return FALSE; + } + + $split = explode(' ', $datestr); + + $ex = explode("-", $split['0']); + + $year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0']; + $month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1']; + $day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2']; + + $ex = explode(":", $split['1']); + + $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0']; + $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1']; + + if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2'])) + { + $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2']; + } + else + { + // Unless specified, seconds get set to zero. + $sec = '00'; + } + + if (isset($split['2'])) + { + $ampm = strtolower($split['2']); + + if (substr($ampm, 0, 1) == 'p' AND $hour < 12) + $hour = $hour + 12; + + if (substr($ampm, 0, 1) == 'a' AND $hour == 12) + $hour = '00'; + + if (strlen($hour) == 1) + $hour = '0'.$hour; + } + + return mktime($hour, $min, $sec, $month, $day, $year); + } +} + +// ------------------------------------------------------------------------ + +/** + * Timezone Menu + * + * Generates a drop-down menu of timezones. + * + * @access public + * @param string timezone + * @param string classname + * @param string menu name + * @return string + */ +if ( ! function_exists('timezone_menu')) +{ + function timezone_menu($default = 'UTC', $class = "", $name = 'timezones') + { + $CI =& get_instance(); + $CI->lang->load('date'); + + if ($default == 'GMT') + $default = 'UTC'; + + $menu = '"; + + return $menu; + } +} + +// ------------------------------------------------------------------------ + +/** + * Timezones + * + * Returns an array of timezones. This is a helper function + * for various other ones in this library + * + * @access public + * @param string timezone + * @return string + */ +if ( ! function_exists('timezones')) +{ + function timezones($tz = '') + { + // Note: Don't change the order of these even though + // some items appear to be in the wrong order + + $zones = array( + 'UM12' => -12, + 'UM11' => -11, + 'UM10' => -10, + 'UM95' => -9.5, + 'UM9' => -9, + 'UM8' => -8, + 'UM7' => -7, + 'UM6' => -6, + 'UM5' => -5, + 'UM45' => -4.5, + 'UM4' => -4, + 'UM35' => -3.5, + 'UM3' => -3, + 'UM2' => -2, + 'UM1' => -1, + 'UTC' => 0, + 'UP1' => +1, + 'UP2' => +2, + 'UP3' => +3, + 'UP35' => +3.5, + 'UP4' => +4, + 'UP45' => +4.5, + 'UP5' => +5, + 'UP55' => +5.5, + 'UP575' => +5.75, + 'UP6' => +6, + 'UP65' => +6.5, + 'UP7' => +7, + 'UP8' => +8, + 'UP875' => +8.75, + 'UP9' => +9, + 'UP95' => +9.5, + 'UP10' => +10, + 'UP105' => +10.5, + 'UP11' => +11, + 'UP115' => +11.5, + 'UP12' => +12, + 'UP1275' => +12.75, + 'UP13' => +13, + 'UP14' => +14 + ); + + if ($tz == '') + { + return $zones; + } + + if ($tz == 'GMT') + $tz = 'UTC'; + + return ( ! isset($zones[$tz])) ? 0 : $zones[$tz]; + } +} + + +/* End of file date_helper.php */ +/* Location: ./system/helpers/date_helper.php */ \ No newline at end of file diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php new file mode 100644 index 0000000..38347fa --- /dev/null +++ b/system/helpers/directory_helper.php @@ -0,0 +1,80 @@ + 0) && @is_dir($source_dir.$file)) + { + $filedata[$file] = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $new_depth, $hidden); + } + else + { + $filedata[] = $file; + } + } + + closedir($fp); + return $filedata; + } + + return FALSE; + } +} + + +/* End of file directory_helper.php */ +/* Location: ./system/helpers/directory_helper.php */ \ No newline at end of file diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php new file mode 100644 index 0000000..1145688 --- /dev/null +++ b/system/helpers/download_helper.php @@ -0,0 +1,107 @@ + 0) + { + $data =& fread($fp, filesize($file)); + } + + flock($fp, LOCK_UN); + fclose($fp); + + return $data; + } +} + +// ------------------------------------------------------------------------ + +/** + * Write File + * + * Writes data to the file specified in the path. + * Creates a new file if non-existent. + * + * @access public + * @param string path to file + * @param string file data + * @return bool + */ +if ( ! function_exists('write_file')) +{ + function write_file($path, $data, $mode = FOPEN_WRITE_CREATE_DESTRUCTIVE) + { + if ( ! $fp = @fopen($path, $mode)) + { + return FALSE; + } + + flock($fp, LOCK_EX); + fwrite($fp, $data); + flock($fp, LOCK_UN); + fclose($fp); + + return TRUE; + } +} + +// ------------------------------------------------------------------------ + +/** + * Delete Files + * + * Deletes all files contained in the supplied directory path. + * Files must be writable or owned by the system in order to be deleted. + * If the second parameter is set to TRUE, any directories contained + * within the supplied base directory will be nuked as well. + * + * @access public + * @param string path to file + * @param bool whether to delete any directories found in the path + * @return bool + */ +if ( ! function_exists('delete_files')) +{ + function delete_files($path, $del_dir = FALSE, $level = 0) + { + // Trim the trailing slash + $path = rtrim($path, DIRECTORY_SEPARATOR); + + if ( ! $current_dir = @opendir($path)) + { + return FALSE; + } + + while (FALSE !== ($filename = @readdir($current_dir))) + { + if ($filename != "." and $filename != "..") + { + if (is_dir($path.DIRECTORY_SEPARATOR.$filename)) + { + // Ignore empty folders + if (substr($filename, 0, 1) != '.') + { + delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1); + } + } + else + { + unlink($path.DIRECTORY_SEPARATOR.$filename); + } + } + } + @closedir($current_dir); + + if ($del_dir == TRUE AND $level > 0) + { + return @rmdir($path); + } + + return TRUE; + } +} + +// ------------------------------------------------------------------------ + +/** + * Get Filenames + * + * Reads the specified directory and builds an array containing the filenames. + * Any sub-folders contained within the specified path are read as well. + * + * @access public + * @param string path to source + * @param bool whether to include the path as part of the filename + * @param bool internal variable to determine recursion status - do not use in calls + * @return array + */ +if ( ! function_exists('get_filenames')) +{ + function get_filenames($source_dir, $include_path = FALSE, $_recursion = FALSE) + { + static $_filedata = array(); + + if ($fp = @opendir($source_dir)) + { + // reset the array and make sure $source_dir has a trailing slash on the initial call + if ($_recursion === FALSE) + { + $_filedata = array(); + $source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR; + } + + while (FALSE !== ($file = readdir($fp))) + { + if (@is_dir($source_dir.$file) && strncmp($file, '.', 1) !== 0) + { + get_filenames($source_dir.$file.DIRECTORY_SEPARATOR, $include_path, TRUE); + } + elseif (strncmp($file, '.', 1) !== 0) + { + $_filedata[] = ($include_path == TRUE) ? $source_dir.$file : $file; + } + } + return $_filedata; + } + else + { + return FALSE; + } + } +} + +// -------------------------------------------------------------------- + +/** + * Get Directory File Information + * + * Reads the specified directory and builds an array containing the filenames, + * filesize, dates, and permissions + * + * Any sub-folders contained within the specified path are read as well. + * + * @access public + * @param string path to source + * @param bool Look only at the top level directory specified? + * @param bool internal variable to determine recursion status - do not use in calls + * @return array + */ +if ( ! function_exists('get_dir_file_info')) +{ + function get_dir_file_info($source_dir, $top_level_only = TRUE, $_recursion = FALSE) + { + static $_filedata = array(); + $relative_path = $source_dir; + + if ($fp = @opendir($source_dir)) + { + // reset the array and make sure $source_dir has a trailing slash on the initial call + if ($_recursion === FALSE) + { + $_filedata = array(); + $source_dir = rtrim(realpath($source_dir), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR; + } + + // foreach (scandir($source_dir, 1) as $file) // In addition to being PHP5+, scandir() is simply not as fast + while (FALSE !== ($file = readdir($fp))) + { + if (@is_dir($source_dir.$file) AND strncmp($file, '.', 1) !== 0 AND $top_level_only === FALSE) + { + get_dir_file_info($source_dir.$file.DIRECTORY_SEPARATOR, $top_level_only, TRUE); + } + elseif (strncmp($file, '.', 1) !== 0) + { + $_filedata[$file] = get_file_info($source_dir.$file); + $_filedata[$file]['relative_path'] = $relative_path; + } + } + + return $_filedata; + } + else + { + return FALSE; + } + } +} + +// -------------------------------------------------------------------- + +/** +* Get File Info +* +* Given a file and path, returns the name, path, size, date modified +* Second parameter allows you to explicitly declare what information you want returned +* Options are: name, server_path, size, date, readable, writable, executable, fileperms +* Returns FALSE if the file cannot be found. +* +* @access public +* @param string path to file +* @param mixed array or comma separated string of information returned +* @return array +*/ +if ( ! function_exists('get_file_info')) +{ + function get_file_info($file, $returned_values = array('name', 'server_path', 'size', 'date')) + { + + if ( ! file_exists($file)) + { + return FALSE; + } + + if (is_string($returned_values)) + { + $returned_values = explode(',', $returned_values); + } + + foreach ($returned_values as $key) + { + switch ($key) + { + case 'name': + $fileinfo['name'] = substr(strrchr($file, DIRECTORY_SEPARATOR), 1); + break; + case 'server_path': + $fileinfo['server_path'] = $file; + break; + case 'size': + $fileinfo['size'] = filesize($file); + break; + case 'date': + $fileinfo['date'] = filemtime($file); + break; + case 'readable': + $fileinfo['readable'] = is_readable($file); + break; + case 'writable': + // There are known problems using is_weritable on IIS. It may not be reliable - consider fileperms() + $fileinfo['writable'] = is_writable($file); + break; + case 'executable': + $fileinfo['executable'] = is_executable($file); + break; + case 'fileperms': + $fileinfo['fileperms'] = fileperms($file); + break; + } + } + + return $fileinfo; + } +} + +// -------------------------------------------------------------------- + +/** + * Get Mime by Extension + * + * Translates a file extension into a mime type based on config/mimes.php. + * Returns FALSE if it can't determine the type, or open the mime config file + * + * Note: this is NOT an accurate way of determining file mime types, and is here strictly as a convenience + * It should NOT be trusted, and should certainly NOT be used for security + * + * @access public + * @param string path to file + * @return mixed + */ +if ( ! function_exists('get_mime_by_extension')) +{ + function get_mime_by_extension($file) + { + $extension = strtolower(substr(strrchr($file, '.'), 1)); + + global $mimes; + + if ( ! is_array($mimes)) + { + if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) + { + include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'); + } + elseif (is_file(APPPATH.'config/mimes.php')) + { + include(APPPATH.'config/mimes.php'); + } + + if ( ! is_array($mimes)) + { + return FALSE; + } + } + + if (array_key_exists($extension, $mimes)) + { + if (is_array($mimes[$extension])) + { + // Multiple mime types, just give the first one + return current($mimes[$extension]); + } + else + { + return $mimes[$extension]; + } + } + else + { + return FALSE; + } + } +} + +// -------------------------------------------------------------------- + +/** + * Symbolic Permissions + * + * Takes a numeric value representing a file's permissions and returns + * standard symbolic notation representing that value + * + * @access public + * @param int + * @return string + */ +if ( ! function_exists('symbolic_permissions')) +{ + function symbolic_permissions($perms) + { + if (($perms & 0xC000) == 0xC000) + { + $symbolic = 's'; // Socket + } + elseif (($perms & 0xA000) == 0xA000) + { + $symbolic = 'l'; // Symbolic Link + } + elseif (($perms & 0x8000) == 0x8000) + { + $symbolic = '-'; // Regular + } + elseif (($perms & 0x6000) == 0x6000) + { + $symbolic = 'b'; // Block special + } + elseif (($perms & 0x4000) == 0x4000) + { + $symbolic = 'd'; // Directory + } + elseif (($perms & 0x2000) == 0x2000) + { + $symbolic = 'c'; // Character special + } + elseif (($perms & 0x1000) == 0x1000) + { + $symbolic = 'p'; // FIFO pipe + } + else + { + $symbolic = 'u'; // Unknown + } + + // Owner + $symbolic .= (($perms & 0x0100) ? 'r' : '-'); + $symbolic .= (($perms & 0x0080) ? 'w' : '-'); + $symbolic .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x' ) : (($perms & 0x0800) ? 'S' : '-')); + + // Group + $symbolic .= (($perms & 0x0020) ? 'r' : '-'); + $symbolic .= (($perms & 0x0010) ? 'w' : '-'); + $symbolic .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x' ) : (($perms & 0x0400) ? 'S' : '-')); + + // World + $symbolic .= (($perms & 0x0004) ? 'r' : '-'); + $symbolic .= (($perms & 0x0002) ? 'w' : '-'); + $symbolic .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x' ) : (($perms & 0x0200) ? 'T' : '-')); + + return $symbolic; + } +} + +// -------------------------------------------------------------------- + +/** + * Octal Permissions + * + * Takes a numeric value representing a file's permissions and returns + * a three character string representing the file's octal permissions + * + * @access public + * @param int + * @return string + */ +if ( ! function_exists('octal_permissions')) +{ + function octal_permissions($perms) + { + return substr(sprintf('%o', $perms), -3); + } +} + + +/* End of file file_helper.php */ +/* Location: ./system/helpers/file_helper.php */ \ No newline at end of file diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php new file mode 100644 index 0000000..8733ae0 --- /dev/null +++ b/system/helpers/form_helper.php @@ -0,0 +1,1054 @@ +config->site_url($action); + } + + // If no action is provided then set to the current url + $action OR $action = $CI->config->site_url($CI->uri->uri_string()); + + $form = '
config->item('csrf_protection') === TRUE AND ! (strpos($action, $CI->config->base_url()) === FALSE OR strpos($form, 'method="get"'))) + { + $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash(); + } + + if (is_array($hidden) AND count($hidden) > 0) + { + $form .= sprintf("
%s
", form_hidden($hidden)); + } + + return $form; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Declaration - Multipart type + * + * Creates the opening portion of the form, but with "multipart/form-data". + * + * @access public + * @param string the URI segments of the form destination + * @param array a key/value pair of attributes + * @param array a key/value pair hidden data + * @return string + */ +if ( ! function_exists('form_open_multipart')) +{ + function form_open_multipart($action = '', $attributes = array(), $hidden = array()) + { + if (is_string($attributes)) + { + $attributes .= ' enctype="multipart/form-data"'; + } + else + { + $attributes['enctype'] = 'multipart/form-data'; + } + + return form_open($action, $attributes, $hidden); + } +} + +// ------------------------------------------------------------------------ + +/** + * Hidden Input Field + * + * Generates hidden fields. You can pass a simple key/value string or an associative + * array with multiple values. + * + * @access public + * @param mixed + * @param string + * @return string + */ +if ( ! function_exists('form_hidden')) +{ + function form_hidden($name, $value = '', $recursing = FALSE) + { + static $form; + + if ($recursing === FALSE) + { + $form = "\n"; + } + + if (is_array($name)) + { + foreach ($name as $key => $val) + { + form_hidden($key, $val, TRUE); + } + return $form; + } + + if ( ! is_array($value)) + { + $form .= ''."\n"; + } + else + { + foreach ($value as $k => $v) + { + $k = (is_int($k)) ? '' : $k; + form_hidden($name.'['.$k.']', $v, TRUE); + } + } + + return $form; + } +} + +// ------------------------------------------------------------------------ + +/** + * Text Input Field + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_input')) +{ + function form_input($data = '', $value = '', $extra = '') + { + $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Password Field + * + * Identical to the input function but adds the "password" type + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_password')) +{ + function form_password($data = '', $value = '', $extra = '') + { + if ( ! is_array($data)) + { + $data = array('name' => $data); + } + + $data['type'] = 'password'; + return form_input($data, $value, $extra); + } +} + +// ------------------------------------------------------------------------ + +/** + * Upload Field + * + * Identical to the input function but adds the "file" type + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_upload')) +{ + function form_upload($data = '', $value = '', $extra = '') + { + if ( ! is_array($data)) + { + $data = array('name' => $data); + } + + $data['type'] = 'file'; + return form_input($data, $value, $extra); + } +} + +// ------------------------------------------------------------------------ + +/** + * Textarea field + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_textarea')) +{ + function form_textarea($data = '', $value = '', $extra = '') + { + $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '40', 'rows' => '10'); + + if ( ! is_array($data) OR ! isset($data['value'])) + { + $val = $value; + } + else + { + $val = $data['value']; + unset($data['value']); // textareas don't use the value attribute + } + + $name = (is_array($data)) ? $data['name'] : $data; + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Multi-select menu + * + * @access public + * @param string + * @param array + * @param mixed + * @param string + * @return type + */ +if ( ! function_exists('form_multiselect')) +{ + function form_multiselect($name = '', $options = array(), $selected = array(), $extra = '') + { + if ( ! strpos($extra, 'multiple')) + { + $extra .= ' multiple="multiple"'; + } + + return form_dropdown($name, $options, $selected, $extra); + } +} + +// -------------------------------------------------------------------- + +/** + * Drop-down Menu + * + * @access public + * @param string + * @param array + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_dropdown')) +{ + function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '') + { + if ( ! is_array($selected)) + { + $selected = array($selected); + } + + // If no selected state was submitted we will attempt to set it automatically + if (count($selected) === 0) + { + // If the form name appears in the $_POST array we have a winner! + if (isset($_POST[$name])) + { + $selected = array($_POST[$name]); + } + } + + if ($extra != '') $extra = ' '.$extra; + + $multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : ''; + + $form = ''; + + return $form; + } +} + +// ------------------------------------------------------------------------ + +/** + * Checkbox Field + * + * @access public + * @param mixed + * @param string + * @param bool + * @param string + * @return string + */ +if ( ! function_exists('form_checkbox')) +{ + function form_checkbox($data = '', $value = '', $checked = FALSE, $extra = '') + { + $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + + if (is_array($data) AND array_key_exists('checked', $data)) + { + $checked = $data['checked']; + + if ($checked == FALSE) + { + unset($data['checked']); + } + else + { + $data['checked'] = 'checked'; + } + } + + if ($checked == TRUE) + { + $defaults['checked'] = 'checked'; + } + else + { + unset($defaults['checked']); + } + + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Radio Button + * + * @access public + * @param mixed + * @param string + * @param bool + * @param string + * @return string + */ +if ( ! function_exists('form_radio')) +{ + function form_radio($data = '', $value = '', $checked = FALSE, $extra = '') + { + if ( ! is_array($data)) + { + $data = array('name' => $data); + } + + $data['type'] = 'radio'; + return form_checkbox($data, $value, $checked, $extra); + } +} + +// ------------------------------------------------------------------------ + +/** + * Submit Button + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_submit')) +{ + function form_submit($data = '', $value = '', $extra = '') + { + $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Reset Button + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_reset')) +{ + function form_reset($data = '', $value = '', $extra = '') + { + $defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Button + * + * @access public + * @param mixed + * @param string + * @param string + * @return string + */ +if ( ! function_exists('form_button')) +{ + function form_button($data = '', $content = '', $extra = '') + { + $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'button'); + + if ( is_array($data) AND isset($data['content'])) + { + $content = $data['content']; + unset($data['content']); // content is not an attribute + } + + return ""; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Label Tag + * + * @access public + * @param string The text to appear onscreen + * @param string The id the label applies to + * @param string Additional attributes + * @return string + */ +if ( ! function_exists('form_label')) +{ + function form_label($label_text = '', $id = '', $attributes = array()) + { + + $label = ' 0) + { + foreach ($attributes as $key => $val) + { + $label .= ' '.$key.'="'.$val.'"'; + } + } + + $label .= ">$label_text"; + + return $label; + } +} + +// ------------------------------------------------------------------------ +/** + * Fieldset Tag + * + * Used to produce
text. To close fieldset + * use form_fieldset_close() + * + * @access public + * @param string The legend text + * @param string Additional attributes + * @return string + */ +if ( ! function_exists('form_fieldset')) +{ + function form_fieldset($legend_text = '', $attributes = array()) + { + $fieldset = "".$extra; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Close Tag + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('form_close')) +{ + function form_close($extra = '') + { + return "".$extra; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Prep + * + * Formats text so that it can be safely placed in a form field in the event it has HTML tags. + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('form_prep')) +{ + function form_prep($str = '', $field_name = '') + { + static $prepped_fields = array(); + + // if the field name is an array we do this recursively + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = form_prep($val); + } + + return $str; + } + + if ($str === '') + { + return ''; + } + + // we've already prepped a field with this name + // @todo need to figure out a way to namespace this so + // that we know the *exact* field and not just one with + // the same name + if (isset($prepped_fields[$field_name])) + { + return $str; + } + + $str = htmlspecialchars($str); + + // In case htmlspecialchars misses these. + $str = str_replace(array("'", '"'), array("'", """), $str); + + if ($field_name != '') + { + $prepped_fields[$field_name] = $field_name; + } + + return $str; + } +} + +// ------------------------------------------------------------------------ + +/** + * Form Value + * + * Grabs a value from the POST array for the specified field so you can + * re-populate an input field or textarea. If Form Validation + * is active it retrieves the info from the validation class + * + * @access public + * @param string + * @return mixed + */ +if ( ! function_exists('set_value')) +{ + function set_value($field = '', $default = '') + { + if (FALSE === ($OBJ =& _get_validation_object())) + { + if ( ! isset($_POST[$field])) + { + return $default; + } + + return form_prep($_POST[$field], $field); + } + + return form_prep($OBJ->set_value($field, $default), $field); + } +} + +// ------------------------------------------------------------------------ + +/** + * Set Select + * + * Let's you set the selected value of a