1. <?php
  3. /**
  4. * Sanitizes configuration values provided via CLI.
  5. *
  6. * @param array $argv Array of command-line arguments.
  7. * @return array Sanitized configuration values.
  8. */
  9. function sanitizeConfig(array $argv): array
  10. {
  11. $config = [];
  13. // Example configuration values with sanitization
  14. $config['log_level'] = sanitizeString($argv[1] ?? 'debug'); // Default to 'debug'
  15. $config['api_key'] = sanitizeString($argv[2] ?? ''); // Allow empty string
  16. $config['port'] = sanitizeInteger($argv[3] ?? 8080); // Default to 8080
  17. $config['timeout'] = sanitizeInteger($argv[4] ?? 30); // Default to 30
  18. $config['debug_mode'] = sanitizeBoolean($argv[5] ?? false); // Default to false
  20. return $config;
  21. }
  24. /**
  25. * Sanitizes a string, removing potentially harmful characters.
  26. * @param string $string The string to sanitize.
  27. * @return string The sanitized string.
  28. */
  29. function sanitizeString(string $string): string
  30. {
  31. $string = trim($string); // Remove leading/trailing whitespace
  32. $string = htmlspecialchars($string, ENT_QUOTES, 'UTF-8'); // Escape HTML entities
  33. return $string;
  34. }
  36. /**
  37. * Sanitizes an integer, ensuring it's a valid positive integer.
  38. * @param string $string The string to sanitize.
  39. * @return int The sanitized integer, or a default value if invalid.
  40. */
  41. function sanitizeInteger(string $string): int
  42. {
  43. $value = filter_var($string, FILTER_VALIDATE_INT); // Validate as integer
  44. return $value === false ? 0 : $value; // Default to 0 if not valid
  45. }
  47. /**
  48. * Sanitizes a boolean value.
  49. * @param string $string The string to sanitize.
  50. * @return bool The sanitized boolean value.
  51. */
  52. function sanitizeBoolean(string $string): bool
  53. {
  54. $string = strtolower($string); // Convert to lowercase for case-insensitive comparison
  55. return in_array($string, ['true', '1', 'yes'], true); // Check for 'true', '1', or 'yes'
  56. }
  59. // Example usage (uncomment to test from CLI)
  60. /*
  61. $argv = $argv; //This line is needed for the code to work when executed in a CLI
  62. $config = sanitizeConfig($argv);
  64. print_r($config);
  65. */
  67. ?>

Add your comment