web/Zend/Filter/Encrypt.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Filter/Encrypt.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,138 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Encrypt.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @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) 2005-2010 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)) {
+            $options = array();
+        }
+
+        if (Zend_Loader::isReadable('Zend/Filter/Encrypt/' . ucfirst($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 ((($part != 'get') and ($part != 'set')) or !method_exists($this->_adapter, $method)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Unknown method '{$method}'");
+        }
+
+        return call_user_func_array(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);
+    }
+}