feat(security): improve security features, fixes

This commit is contained in:
2025-07-19 01:37:52 +03:00
parent e35126856d
commit b369d317b1
19 changed files with 2266 additions and 92 deletions

View File

@@ -20,6 +20,57 @@ const (
MinFileSizeLimit = 1024
// MaxFileSizeLimit is the maximum allowed file size limit (100MB).
MaxFileSizeLimit = 104857600
// Resource Limit Constants
// DefaultMaxFiles is the default maximum number of files to process.
DefaultMaxFiles = 10000
// MinMaxFiles is the minimum allowed file count limit.
MinMaxFiles = 1
// MaxMaxFiles is the maximum allowed file count limit.
MaxMaxFiles = 1000000
// DefaultMaxTotalSize is the default maximum total size of files (1GB).
DefaultMaxTotalSize = 1073741824
// MinMaxTotalSize is the minimum allowed total size limit (1MB).
MinMaxTotalSize = 1048576
// MaxMaxTotalSize is the maximum allowed total size limit (100GB).
MaxMaxTotalSize = 107374182400
// DefaultFileProcessingTimeoutSec is the default timeout for individual file processing (30 seconds).
DefaultFileProcessingTimeoutSec = 30
// MinFileProcessingTimeoutSec is the minimum allowed file processing timeout (1 second).
MinFileProcessingTimeoutSec = 1
// MaxFileProcessingTimeoutSec is the maximum allowed file processing timeout (300 seconds).
MaxFileProcessingTimeoutSec = 300
// DefaultOverallTimeoutSec is the default timeout for overall processing (3600 seconds = 1 hour).
DefaultOverallTimeoutSec = 3600
// MinOverallTimeoutSec is the minimum allowed overall timeout (10 seconds).
MinOverallTimeoutSec = 10
// MaxOverallTimeoutSec is the maximum allowed overall timeout (86400 seconds = 24 hours).
MaxOverallTimeoutSec = 86400
// DefaultMaxConcurrentReads is the default maximum concurrent file reading operations.
DefaultMaxConcurrentReads = 10
// MinMaxConcurrentReads is the minimum allowed concurrent reads.
MinMaxConcurrentReads = 1
// MaxMaxConcurrentReads is the maximum allowed concurrent reads.
MaxMaxConcurrentReads = 100
// DefaultRateLimitFilesPerSec is the default rate limit for file processing (0 = disabled).
DefaultRateLimitFilesPerSec = 0
// MinRateLimitFilesPerSec is the minimum rate limit.
MinRateLimitFilesPerSec = 0
// MaxRateLimitFilesPerSec is the maximum rate limit.
MaxRateLimitFilesPerSec = 10000
// DefaultHardMemoryLimitMB is the default hard memory limit (512MB).
DefaultHardMemoryLimitMB = 512
// MinHardMemoryLimitMB is the minimum hard memory limit (64MB).
MinHardMemoryLimitMB = 64
// MaxHardMemoryLimitMB is the maximum hard memory limit (8192MB = 8GB).
MaxHardMemoryLimitMB = 8192
)
// LoadConfig reads configuration from a YAML file.
@@ -32,7 +83,13 @@ func LoadConfig() {
viper.SetConfigType("yaml")
if xdgConfig := os.Getenv("XDG_CONFIG_HOME"); xdgConfig != "" {
viper.AddConfigPath(filepath.Join(xdgConfig, "gibidify"))
// Validate XDG_CONFIG_HOME for path traversal attempts
if err := utils.ValidateConfigPath(xdgConfig); err != nil {
logrus.Warnf("Invalid XDG_CONFIG_HOME path, using default config: %v", err)
} else {
configPath := filepath.Join(xdgConfig, "gibidify")
viper.AddConfigPath(configPath)
}
} else if home, err := os.UserHomeDir(); err == nil {
viper.AddConfigPath(filepath.Join(home, ".config", "gibidify"))
}
@@ -81,6 +138,18 @@ func setDefaultConfig() {
viper.SetDefault("backpressure.maxPendingWrites", 100) // Max writes in write channel buffer
viper.SetDefault("backpressure.maxMemoryUsage", 104857600) // 100MB max memory usage
viper.SetDefault("backpressure.memoryCheckInterval", 1000) // Check memory every 1000 files
// Resource limit defaults
viper.SetDefault("resourceLimits.enabled", true)
viper.SetDefault("resourceLimits.maxFiles", DefaultMaxFiles)
viper.SetDefault("resourceLimits.maxTotalSize", DefaultMaxTotalSize)
viper.SetDefault("resourceLimits.fileProcessingTimeoutSec", DefaultFileProcessingTimeoutSec)
viper.SetDefault("resourceLimits.overallTimeoutSec", DefaultOverallTimeoutSec)
viper.SetDefault("resourceLimits.maxConcurrentReads", DefaultMaxConcurrentReads)
viper.SetDefault("resourceLimits.rateLimitFilesPerSec", DefaultRateLimitFilesPerSec)
viper.SetDefault("resourceLimits.hardMemoryLimitMB", DefaultHardMemoryLimitMB)
viper.SetDefault("resourceLimits.enableGracefulDegradation", true)
viper.SetDefault("resourceLimits.enableResourceMonitoring", true)
}
// GetFileSizeLimit returns the file size limit from configuration.
@@ -249,12 +318,85 @@ func ValidateConfig() error {
}
}
// Validate resource limits configuration
if viper.IsSet("resourceLimits.maxFiles") {
maxFiles := viper.GetInt("resourceLimits.maxFiles")
if maxFiles < MinMaxFiles {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxFiles (%d) must be at least %d", maxFiles, MinMaxFiles))
}
if maxFiles > MaxMaxFiles {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxFiles (%d) exceeds maximum (%d)", maxFiles, MaxMaxFiles))
}
}
if viper.IsSet("resourceLimits.maxTotalSize") {
maxTotalSize := viper.GetInt64("resourceLimits.maxTotalSize")
if maxTotalSize < MinMaxTotalSize {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxTotalSize (%d) must be at least %d", maxTotalSize, MinMaxTotalSize))
}
if maxTotalSize > MaxMaxTotalSize {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxTotalSize (%d) exceeds maximum (%d)", maxTotalSize, MaxMaxTotalSize))
}
}
if viper.IsSet("resourceLimits.fileProcessingTimeoutSec") {
timeout := viper.GetInt("resourceLimits.fileProcessingTimeoutSec")
if timeout < MinFileProcessingTimeoutSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.fileProcessingTimeoutSec (%d) must be at least %d", timeout, MinFileProcessingTimeoutSec))
}
if timeout > MaxFileProcessingTimeoutSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.fileProcessingTimeoutSec (%d) exceeds maximum (%d)", timeout, MaxFileProcessingTimeoutSec))
}
}
if viper.IsSet("resourceLimits.overallTimeoutSec") {
timeout := viper.GetInt("resourceLimits.overallTimeoutSec")
if timeout < MinOverallTimeoutSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.overallTimeoutSec (%d) must be at least %d", timeout, MinOverallTimeoutSec))
}
if timeout > MaxOverallTimeoutSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.overallTimeoutSec (%d) exceeds maximum (%d)", timeout, MaxOverallTimeoutSec))
}
}
if viper.IsSet("resourceLimits.maxConcurrentReads") {
maxReads := viper.GetInt("resourceLimits.maxConcurrentReads")
if maxReads < MinMaxConcurrentReads {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxConcurrentReads (%d) must be at least %d", maxReads, MinMaxConcurrentReads))
}
if maxReads > MaxMaxConcurrentReads {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.maxConcurrentReads (%d) exceeds maximum (%d)", maxReads, MaxMaxConcurrentReads))
}
}
if viper.IsSet("resourceLimits.rateLimitFilesPerSec") {
rateLimit := viper.GetInt("resourceLimits.rateLimitFilesPerSec")
if rateLimit < MinRateLimitFilesPerSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.rateLimitFilesPerSec (%d) must be at least %d", rateLimit, MinRateLimitFilesPerSec))
}
if rateLimit > MaxRateLimitFilesPerSec {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.rateLimitFilesPerSec (%d) exceeds maximum (%d)", rateLimit, MaxRateLimitFilesPerSec))
}
}
if viper.IsSet("resourceLimits.hardMemoryLimitMB") {
memLimit := viper.GetInt("resourceLimits.hardMemoryLimitMB")
if memLimit < MinHardMemoryLimitMB {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.hardMemoryLimitMB (%d) must be at least %d", memLimit, MinHardMemoryLimitMB))
}
if memLimit > MaxHardMemoryLimitMB {
validationErrors = append(validationErrors, fmt.Sprintf("resourceLimits.hardMemoryLimitMB (%d) exceeds maximum (%d)", memLimit, MaxHardMemoryLimitMB))
}
}
if len(validationErrors) > 0 {
return utils.NewStructuredError(
utils.ErrorTypeConfiguration,
utils.CodeConfigValidation,
"configuration validation failed: "+strings.Join(validationErrors, "; "),
).WithContext("validation_errors", validationErrors)
"",
map[string]interface{}{"validation_errors": validationErrors},
)
}
return nil
@@ -290,7 +432,9 @@ func ValidateFileSize(size int64) error {
utils.ErrorTypeValidation,
utils.CodeValidationSize,
fmt.Sprintf("file size (%d bytes) exceeds limit (%d bytes)", size, limit),
).WithContext("file_size", size).WithContext("size_limit", limit)
"",
map[string]interface{}{"file_size": size, "size_limit": limit},
)
}
return nil
}
@@ -302,7 +446,9 @@ func ValidateOutputFormat(format string) error {
utils.ErrorTypeValidation,
utils.CodeValidationFormat,
fmt.Sprintf("unsupported output format: %s (supported: json, yaml, markdown)", format),
).WithContext("format", format)
"",
map[string]interface{}{"format": format},
)
}
return nil
}
@@ -314,7 +460,9 @@ func ValidateConcurrency(concurrency int) error {
utils.ErrorTypeValidation,
utils.CodeValidationFormat,
fmt.Sprintf("concurrency (%d) must be at least 1", concurrency),
).WithContext("concurrency", concurrency)
"",
map[string]interface{}{"concurrency": concurrency},
)
}
if viper.IsSet("maxConcurrency") {
@@ -324,7 +472,9 @@ func ValidateConcurrency(concurrency int) error {
utils.ErrorTypeValidation,
utils.CodeValidationFormat,
fmt.Sprintf("concurrency (%d) exceeds maximum (%d)", concurrency, maxConcurrency),
).WithContext("concurrency", concurrency).WithContext("max_concurrency", maxConcurrency)
"",
map[string]interface{}{"concurrency": concurrency, "max_concurrency": maxConcurrency},
)
}
}
@@ -392,3 +542,55 @@ func GetMaxMemoryUsage() int64 {
func GetMemoryCheckInterval() int {
return viper.GetInt("backpressure.memoryCheckInterval")
}
// Resource Limit Configuration Getters
// GetResourceLimitsEnabled returns whether resource limits are enabled.
func GetResourceLimitsEnabled() bool {
return viper.GetBool("resourceLimits.enabled")
}
// GetMaxFiles returns the maximum number of files that can be processed.
func GetMaxFiles() int {
return viper.GetInt("resourceLimits.maxFiles")
}
// GetMaxTotalSize returns the maximum total size of files that can be processed.
func GetMaxTotalSize() int64 {
return viper.GetInt64("resourceLimits.maxTotalSize")
}
// GetFileProcessingTimeoutSec returns the timeout for individual file processing in seconds.
func GetFileProcessingTimeoutSec() int {
return viper.GetInt("resourceLimits.fileProcessingTimeoutSec")
}
// GetOverallTimeoutSec returns the timeout for overall processing in seconds.
func GetOverallTimeoutSec() int {
return viper.GetInt("resourceLimits.overallTimeoutSec")
}
// GetMaxConcurrentReads returns the maximum number of concurrent file reading operations.
func GetMaxConcurrentReads() int {
return viper.GetInt("resourceLimits.maxConcurrentReads")
}
// GetRateLimitFilesPerSec returns the rate limit for file processing (files per second).
func GetRateLimitFilesPerSec() int {
return viper.GetInt("resourceLimits.rateLimitFilesPerSec")
}
// GetHardMemoryLimitMB returns the hard memory limit in megabytes.
func GetHardMemoryLimitMB() int {
return viper.GetInt("resourceLimits.hardMemoryLimitMB")
}
// GetEnableGracefulDegradation returns whether graceful degradation is enabled.
func GetEnableGracefulDegradation() bool {
return viper.GetBool("resourceLimits.enableGracefulDegradation")
}
// GetEnableResourceMonitoring returns whether resource monitoring is enabled.
func GetEnableResourceMonitoring() bool {
return viper.GetBool("resourceLimits.enableResourceMonitoring")
}