CommunityID/libs/Zend/InfoCard/Xml/Security/Transform/EnvelopedSignature.php

65 lines
2.1 KiB
PHP

<?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_InfoCard
* @subpackage Zend_InfoCard_Xml_Security
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: EnvelopedSignature.php 9094 2008-03-30 18:36:55Z thomas $
*/
/**
* Zend_InfoCard_Xml_Security_Transform_Interface
*/
require_once 'Zend/InfoCard/Xml/Security/Transform/Interface.php';
/**
* Zend_InfoCard_Xml_Security_Transform_Exception
*/
require_once 'Zend/InfoCard/Xml/Security/Transform/Exception.php';
/**
* A object implementing the EnvelopedSignature XML Transform
*
* @category Zend
* @package Zend_InfoCard
* @subpackage Zend_InfoCard_Xml_Security
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_InfoCard_Xml_Security_Transform_EnvelopedSignature
implements Zend_InfoCard_Xml_Security_Transform_Interface
{
/**
* Transforms the XML Document according to the EnvelopedSignature Transform
*
* @throws Zend_InfoCard_Xml_Security_Transform_Exception
* @param string $strXMLData The input XML data
* @return string the transformed XML data
*/
public function transform($strXMLData)
{
$sxe = simplexml_load_string($strXMLData);
if(!$sxe->Signature) {
throw new Zend_InfoCard_Xml_Security_Transform_Exception("Unable to locate Signature Block for EnvelopedSignature Transform");
}
unset($sxe->Signature);
return $sxe->asXML();
}
}