import v1.0.0-RC4 | 2009-05-20

libs/Zend/InfoCard/Xml/Security/Transform/XmlExcC14N.php

@@ -0,0 +1,63 @@
+<?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: XmlExcC14N.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 Transform to perform C14n XML Exclusive Canonicalization
+ *
+ * @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_XmlExcC14N
+    implements Zend_InfoCard_Xml_Security_Transform_Interface
+{
+    /**
+     * Transform the input XML based on C14n XML Exclusive Canonicalization rules
+     *
+     * @throws Zend_InfoCard_Xml_Security_Transform_Exception
+     * @param string $strXMLData The input XML
+     * @return string The output XML
+     */
+    public function transform($strXMLData)
+    {
+        $dom = new DOMDocument();
+        $dom->loadXML($strXMLData);
+
+        if(method_exists($dom, 'C14N')) {
+            return $dom->C14N(true, false);
+        }
+
+        throw new Zend_InfoCard_Xml_Security_Transform_Exception("This transform requires the C14N() method to exist in the DOM extension");
+    }
+}