saml:IdP: Extract extensions from authentication request.

Thanks to Andjelko Horvat for implementing this!

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2701 44740490-163a-0410-bde0-09ae8108e29a

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/SAML2/XML/samlp/Extensions.php b/lib/SAML2/XML/samlp/Extensions.php
new file mode 100644
index 0000000..ad86c3f
--- /dev/null
+++ b/lib/SAML2/XML/samlp/Extensions.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Class for handling SAML2 extensions.
+ *
+ * @package simpleSAMLphp
+ * @version $Id$
+ */
+class SAML2_XML_samlp_Extensions {
+
+	/**
+	 * Get a list of Extensions in the given element.
+	 *
+	 * @param DOMElement $parent  The element that may contain the samlp:Extensions element.
+	 * @return array  Array of extensions.
+	 */
+	public static function getList(DOMElement $parent) {
+
+		$ret = array();
+		foreach (SAML2_Utils::xpQuery($parent, './saml_protocol:Extensions/*') as $node) {
+			$ret[] = new SAML2_XML_Chunk($node);
+		}
+
+		return $ret;
+	}
+
+
+	/**
+	 * Add a list of Extensions to the given element.
+	 *
+	 * @param DOMElement $parent  The element we should add the extensions to.
+	 * @param array $extensions  List of extension objects.
+	 */
+	public static function addList(DOMElement $parent, array $extensions) {
+
+		if (empty($extensions)) {
+			return;
+		}
+
+		$extElement = $parent->ownerDocument->createElementNS(SAML2_Const::NS_SAMLP, 'samlp:Extensions');
+		$parent->appendChild($extElement);
+
+		foreach ($extensions as $ext) {
+			$ext->toXML($extElement);
+		}
+	}
+
+}