119 lines
3.3 KiB
PHP
119 lines
3.3 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Serializer
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/** @see Zend_Serializer_Adapter_AdapterAbstract */
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/** @see Zend_Xml_Security */
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/** @see Zend_Xml_Exception */
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/**
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* @link http://www.infoloom.com/gcaconfs/WEB/chicago98/simeonov.HTM
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* @link http://en.wikipedia.org/wiki/WDDX
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* @category Zend
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* @package Zend_Serializer
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* @subpackage Adapter
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* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Serializer_Adapter_Wddx extends Zend_Serializer_Adapter_AdapterAbstract
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{
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/**
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* @var array Default options
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*/
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protected $_options = array(
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'comment' => null,
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);
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/**
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* Constructor
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*
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* @param array $opts
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* @return void
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* @throws Zend_Serializer_Exception if wddx extension not found
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*/
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public function __construct($opts = array())
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{
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if (!extension_loaded('wddx')) {
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throw new Zend_Serializer_Exception('PHP extension "wddx" is required for this adapter');
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}
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parent::__construct($opts);
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}
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/**
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* Serialize PHP to WDDX
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*
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* @param mixed $value
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* @param array $opts
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* @return string
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* @throws Zend_Serializer_Exception on wddx error
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*/
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public function serialize($value, array $opts = array())
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{
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$opts = $opts + $this->_options;
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if (isset($opts['comment']) && $opts['comment']) {
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$wddx = wddx_serialize_value($value, (string)$opts['comment']);
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} else {
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$wddx = wddx_serialize_value($value);
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}
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if ($wddx === false) {
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$lastErr = error_get_last();
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throw new Zend_Serializer_Exception($lastErr['message']);
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}
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return $wddx;
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}
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/**
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* Unserialize from WDDX to PHP
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*
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* @param string $wddx
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* @param array $opts
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* @return mixed
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* @throws Zend_Serializer_Exception on wddx error
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*/
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public function unserialize($wddx, array $opts = array())
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{
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$ret = wddx_deserialize($wddx);
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if ($ret === null) {
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// check if the returned NULL is valid
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// or based on an invalid wddx string
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try {
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$simpleXml = Zend_Xml_Security::scan($wddx);
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if (isset($simpleXml->data[0]->null[0])) {
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return null; // valid null
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}
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$errMsg = 'Can\'t unserialize wddx string';
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} catch (Zend_Xml_Exception $e) {
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$errMsg = $e->getMessage();
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}
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throw new Zend_Serializer_Exception($errMsg);
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}
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return $ret;
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}
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}
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