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: Assertion.php 20096 2010-01-06 02:05:09Z bkarwin $

    21  */

    22 

    23 /**

    24  * Zend_InfoCard_Xml_Assertion_Interface

    25  */

    26 require_once 'Zend/InfoCard/Xml/Assertion/Interface.php';

    27 

    28 /**

    29  * Factory object to retrieve an Assertion object based on the type of XML document provided

    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 final class Zend_InfoCard_Xml_Assertion

    38 {

    39     /**

    40      * The namespace for a SAML-formatted Assertion document

    41      */

    42     const TYPE_SAML = 'urn:oasis:names:tc:SAML:1.0:assertion';

    43 

    44     /**

    45      * Constructor (disabled)

    46      *

    47      * @return void

    48      */

    49     private function __construct()

    50     {

    51     }

    52 

    53     /**

    54      * Returns an instance of a InfoCard Assertion object based on the XML data provided

    55      *

    56      * @throws Zend_InfoCard_Xml_Exception

    57      * @param string $xmlData The XML-Formatted Assertion

    58      * @return Zend_InfoCard_Xml_Assertion_Interface

    59      * @throws Zend_InfoCard_Xml_Exception

    60      */

    61     static public function getInstance($xmlData)

    62     {

    63 

    64         if($xmlData instanceof Zend_InfoCard_Xml_Element) {

    65             $strXmlData = $xmlData->asXML();

    66         } else if (is_string($xmlData)) {

    67             $strXmlData = $xmlData;

    68         } else {

    69             require_once 'Zend/InfoCard/Xml/Exception.php';

    70             throw new Zend_InfoCard_Xml_Exception("Invalid Data provided to create instance");

    71         }

    72 

    73         $sxe = simplexml_load_string($strXmlData);

    74 

    75         $namespaces = $sxe->getDocNameSpaces();

    76 

    77         foreach($namespaces as $namespace) {

    78             switch($namespace) {

    79                 case self::TYPE_SAML:

    80                     include_once 'Zend/InfoCard/Xml/Assertion/Saml.php';

    81                     return simplexml_load_string($strXmlData, 'Zend_InfoCard_Xml_Assertion_Saml', null);

    82             }

    83         }

    84 

    85         require_once 'Zend/InfoCard/Xml/Exception.php';

    86         throw new Zend_InfoCard_Xml_Exception("Unable to determine Assertion type by Namespace");

    87     }

    88 }