File Content: class.u.validator-20260623121137.php <?php defined('ABSPATH') || defined('DUPXABSPATH') || exit; /** * Validate variables * * Standard: PSR-2 * @link http://www.php-fig.org/psr/psr-2 * * @package Duplicator * @subpackage classes/utilities * @copyright (c) 2017, Snapcreek LLC * */ // Exit if accessed directly if (!defined('DUPLICATOR_VERSION')) { exit; } class DUP_Validator { /** * @var array $patterns */ private static $patterns = array( 'fdir' => '/^([a-zA-Z]:[\\\\\/]|\/|\\\\\\\\|\/\/)[^<>\0]+$/', 'ffile' => '/^([a-zA-Z]:[\\\\\/]|\/|\\\\\\\\|\/\/)[^<>\0]+$/', 'fext' => '/^\.?[^\\\\\/*:<>\0?"|\s\.]+$/', 'email' => '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_\`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/', 'empty' => '/^$/', 'nempty' => '/^.+$/', ); const FILTER_VALIDATE_IS_EMPTY = 'empty'; const FILTER_VALIDATE_NOT_EMPTY = 'nempty'; const FILTER_VALIDATE_FILE = 'ffile'; const FILTER_VALIDATE_FOLDER = 'fdir'; const FILTER_VALIDATE_FILE_EXT = 'fext'; const FILTER_VALIDATE_EMAIL = 'email'; /** * @var array $errors [ ['key' => string field key, * 'msg' => error message ] , [] ] */ private $errors = array(); /** * */ public function __construct() { $this->errors = array(); } /** * */ public function reset() { $this->errors = array(); } /** * * @return bool */ public function isSuccess() { return empty($this->errors); } /** * * @return array */ public function getErrors() { return $this->errors; } /** * * @return array return errors messages */ public function getErrorsMsg() { $result = array(); foreach ($this->errors as $err) { $result[] = $err['msg']; } return $result; } /** * * @param string $format printf format message where %s is the variable content default "%s\n" * @param bool $echo if false return string * @return void|string */ public function getErrorsFormat($format = "%s\n", $echo = true) { $msgs = $this->getErrorsMsg(); ob_start(); foreach ($msgs as $msg) { printf($format, $msg); } if ($echo) { ob_end_flush(); } else { return ob_get_clean(); } } /** * * @param string $key * @param string $msg */ protected function addError($key, $msg) { $this->errors[] = array( 'key' => $key, 'msg' => $msg ); } /** * filter_var function wrapper see http://php.net/manual/en/function.filter-var.php * * additional options * valkey => key of field * errmsg => error message; % s will be replaced with the contents of the variable es. "<b>%s</b> isn't a valid field" * acc_vals => array of accepted values that skip validation * * @param mixed $variable * @param int $filter * @param array $options * @return mixed */ public function filter_var($variable, $filter = FILTER_DEFAULT, $options = array()) { $success = true; $result = null; if (isset($options['acc_vals']) && in_array($variable, $options['acc_vals'])) { return $variable; } if ($filter === FILTER_VALIDATE_BOOLEAN) { $options['flags'] = FILTER_NULL_ON_FAILURE; $result = filter_var($variable, $filter, $options); if (is_null($result)) { $success = false; } } else { $result = filter_var($variable, $filter, $options); if ($result === false) { $success = false; } } if (!$success) { $key = isset($options['valkey']) ? $options['valkey'] : ''; if (isset($options['errmsg'])) { $msg = sprintf($options['errmsg'], $variable); } else { $msg = sprintf('%1$s isn\'t a valid value', $variable); } $this->addError($key, $msg); } return $result; } /** * validation of predefined regular expressions * * @param mixed $variable * @param string $filter * @param array $options * @return type * @throws Exception */ public function filter_custom($variable, $filter, $options = array()) { if (!isset(self::$patterns[$filter])) { throw new Exception('Filter not valid'); } $options = array_merge($options, array( 'options' => array( 'regexp' => self::$patterns[$filter]) ) ); //$options['regexp'] = self::$patterns[$filter]; return $this->filter_var($variable, FILTER_VALIDATE_REGEXP, $options); } /** * it explodes a string with a delimiter and validates every element of the array * * @param string $variable * @param string $delimiter * @param string $filter * @param array $options */ public function explode_filter_custom($variable, $delimiter, $filter, $options = array()) { if (empty($variable)) { return array(); } $vals = explode($delimiter, trim($variable, $delimiter)); $res = array(); foreach ($vals as $val) { $res[] = $this->filter_custom($val, $filter, $options); } return $res; } } Submit