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<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_Filter * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id$ */ /** * @see Zend_Filter_Interface */ require_once 'Zend/Filter/Interface.php'; /** * @see Zend_Loader */ require_once 'Zend/Loader.php'; /** * Encrypts a given string * * @category Zend * @package Zend_Filter * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Filter_Encrypt implements Zend_Filter_Interface { /** * Encryption adapter */ protected $_adapter; /** * Class constructor * * @param string|array $options (Optional) Options to set, if null mcrypt is used */ public function __construct($options = null) { if ($options instanceof Zend_Config) { $options = $options->toArray(); } $this->setAdapter($options); } /** * Returns the name of the set adapter * * @return string */ public function getAdapter() { return $this->_adapter->toString(); } /** * Sets new encryption options * * @param string|array $options (Optional) Encryption options * @return Zend_Filter_Encrypt */ public function setAdapter($options = null) { if (is_string($options)) { $adapter = $options; } else if (isset($options['adapter'])) { $adapter = $options['adapter']; unset($options['adapter']); } else { $adapter = 'Mcrypt'; } if (!is_array($options)) { $options = []; } if (Zend_Loader::isReadable('Zend/Filter/Encrypt/' . ucfirst($adapter). '.php')) { $adapter = 'Zend_Filter_Encrypt_' . ucfirst($adapter); } if (!class_exists($adapter)) { Zend_Loader::loadClass($adapter); } $this->_adapter = new $adapter($options); if (!$this->_adapter instanceof Zend_Filter_Encrypt_Interface) { require_once 'Zend/Filter/Exception.php'; throw new Zend_Filter_Exception("Encoding adapter '" . $adapter . "' does not implement Zend_Filter_Encrypt_Interface"); } return $this; } /** * Calls adapter methods * * @param string $method Method to call * @param string|array $options Options for this method */ public function __call($method, $options) { $part = substr($method, 0, 3); if ((($part != 'get') && ($part != 'set')) || !method_exists($this->_adapter, $method)) { require_once 'Zend/Filter/Exception.php'; throw new Zend_Filter_Exception("Unknown method '{$method}'"); } return call_user_func_array([$this->_adapter, $method], $options); } /** * Defined by Zend_Filter_Interface * * Encrypts the content $value with the defined settings * * @param string $value Content to encrypt * @return string The encrypted content */ public function filter($value) { return $this->_adapter->encrypt($value); } }
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