1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_InfoCard

    17  * @subpackage Zend_InfoCard_Xml

    18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    20  * @version    $Id: XmlEnc.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /**

    24  * Zend_InfoCard_Xml_EncryptedData/Abstract.php

    25  */

    26 require_once 'Zend/InfoCard/Xml/EncryptedData/Abstract.php';

    27 

    28 /**

    29  * An XmlEnc formatted EncryptedData XML block

    30  *

    31  * @category   Zend

    32  * @package    Zend_InfoCard

    33  * @subpackage Zend_InfoCard_Xml

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 class Zend_InfoCard_Xml_EncryptedData_XmlEnc extends Zend_InfoCard_Xml_EncryptedData_Abstract

    38 {

    39 

    40     /**

    41      * Returns the Encrypted CipherValue block from the EncryptedData XML document

    42      *

    43      * @throws Zend_InfoCard_Xml_Exception

    44      * @return string The value of the CipherValue block base64 encoded

    45      */

    46     public function getCipherValue()

    47     {

    48         $this->registerXPathNamespace('enc', 'http://www.w3.org/2001/04/xmlenc#');

    49 

    50         list(,$cipherdata) = $this->xpath("//enc:CipherData");

    51 

    52         if(!($cipherdata instanceof Zend_InfoCard_Xml_Element)) {

    53             throw new Zend_InfoCard_Xml_Exception("Unable to find the enc:CipherData block");

    54         }

    55 

    56         list(,$ciphervalue) = $cipherdata->xpath("//enc:CipherValue");

    57 

    58         if(!($ciphervalue instanceof Zend_InfoCard_Xml_Element)) {

    59             throw new Zend_InfoCard_Xml_Exception("Unable to fidn the enc:CipherValue block");

    60         }

    61 

    62         return (string)$ciphervalue;

    63     }

    64 }