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XmlEnc.php 0000604 00000004176 15071512241 0006445 0 ustar 00 <?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
* @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: XmlEnc.php 9094 2008-03-30 18:36:55Z thomas $
*/
/**
* Zend_InfoCard_Xml_EncryptedData/Abstract.php
*/
require_once 'Zend/InfoCard/Xml/EncryptedData/Abstract.php';
/**
* An XmlEnc formatted EncryptedData XML block
*
* @category Zend
* @package Zend_InfoCard
* @subpackage Zend_InfoCard_Xml
* @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_EncryptedData_XmlEnc extends Zend_InfoCard_Xml_EncryptedData_Abstract
{
/**
* Returns the Encrypted CipherValue block from the EncryptedData XML document
*
* @throws Zend_InfoCard_Xml_Exception
* @return string The value of the CipherValue block base64 encoded
*/
public function getCipherValue()
{
$this->registerXPathNamespace('enc', 'http://www.w3.org/2001/04/xmlenc#');
list(,$cipherdata) = $this->xpath("//enc:CipherData");
if(!($cipherdata instanceof Zend_InfoCard_Xml_Element)) {
throw new Zend_InfoCard_Xml_Exception("Unable to find the enc:CipherData block");
}
list(,$ciphervalue) = $cipherdata->xpath("//enc:CipherValue");
if(!($ciphervalue instanceof Zend_InfoCard_Xml_Element)) {
throw new Zend_InfoCard_Xml_Exception("Unable to fidn the enc:CipherValue block");
}
return (string)$ciphervalue;
}
}
Abstract.php 0000604 00000005723 15071512241 0007021 0 ustar 00 <?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
* @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: Abstract.php 9094 2008-03-30 18:36:55Z thomas $
*/
/**
* Zend_InfoCard_Xml_Element
*/
require_once 'Zend/InfoCard/Xml/Element.php';
/**
* Zend_InfoCard_Xml_KeyInfo
*/
require_once 'Zend/InfoCard/Xml/KeyInfo.php';
/**
* An abstract class representing a generic EncryptedData XML block. This class is extended
* into a specific type of EncryptedData XML block (i.e. XmlEnc) as necessary
*
* @category Zend
* @package Zend_InfoCard
* @subpackage Zend_InfoCard_Xml
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_InfoCard_Xml_EncryptedData_Abstract extends Zend_InfoCard_Xml_Element
{
/**
* Returns the KeyInfo Block
*
* @return Zend_InfoCard_Xml_KeyInfo_Abstract
*/
public function getKeyInfo()
{
return Zend_InfoCard_Xml_KeyInfo::getInstance($this->KeyInfo[0]);
}
/**
* Return the Encryption method used to encrypt the assertion document
* (the symmetric cipher)
*
* @throws Zend_InfoCard_Xml_Exception
* @return string The URI of the Symmetric Encryption Method used
*/
public function getEncryptionMethod()
{
/**
* @todo This is pretty hacky unless we can always be confident that the first
* EncryptionMethod block is the correct one (the AES or compariable symetric algorithm)..
* the second is the PK method if provided.
*/
list($encryption_method) = $this->xpath("//enc:EncryptionMethod");
if(!($encryption_method instanceof Zend_InfoCard_Xml_Element)) {
throw new Zend_InfoCard_Xml_Exception("Unable to find the enc:EncryptionMethod symmetric encryption block");
}
$dom = self::convertToDOM($encryption_method);
if(!$dom->hasAttribute('Algorithm')) {
throw new Zend_InfoCard_Xml_Exception("Unable to determine the encryption algorithm in the Symmetric enc:EncryptionMethod XML block");
}
return $dom->getAttribute('Algorithm');
}
/**
* Returns the value of the encrypted block
*
* @return string the value of the encrypted CipherValue block
*/
abstract function getCipherValue();
}