3 files changed, 119 insertions, 0 deletions
diff --git a/lib/SAML2/XML/md/Extensions.php b/lib/SAML2/XML/md/Extensions.php
index 2f5e9ae..0db1813 100644
--- a/lib/SAML2/XML/md/Extensions.php
+++ b/lib/SAML2/XML/md/Extensions.php
@@ -22,6 +22,8 @@ class SAML2_XML_md_Extensions {
 				$ret[] = new SAML2_XML_shibmd_Scope($node);
 			} elseif ($node->namespaceURI === SAML2_XML_mdattr_EntityAttributes::NS && $node->localName === 'EntityAttributes') {
 				$ret[] = new SAML2_XML_mdattr_EntityAttributes($node);
+			} elseif ($node->namespaceURL === SAML2_XML_mdrpi_Common::NS_MDRPI && $node->localName === 'PublicationInfo') {
+				$ret[] = new SAML2_XML_mdrpi_PublicationInfo($node);
 			} else {
 				$ret[] = new SAML2_XML_Chunk($node);
 			}
diff --git a/lib/SAML2/XML/mdrpi/Common.php b/lib/SAML2/XML/mdrpi/Common.php
new file mode 100644
index 0000000..f6a4dc3
--- /dev/null
+++ b/lib/SAML2/XML/mdrpi/Common.php
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Common definitions for the mdrpi metadata extension.
+ *
+ * @link: http://docs.oasis-open.org/security/saml/Post2.0/saml-metadata-rpi/v1.0/saml-metadata-rpi-v1.0.pdf
+ * @package simpleSAMLphp
+ * @version $Id$
+ */
+class SAML2_XML_mdrpi_Common {
+
+	const NS_MDRPI = 'urn:oasis:names:tc:SAML:metadata:rpi';
+
+}
diff --git a/lib/SAML2/XML/mdrpi/PublicationInfo.php b/lib/SAML2/XML/mdrpi/PublicationInfo.php
new file mode 100644
index 0000000..3e1caee
--- /dev/null
+++ b/lib/SAML2/XML/mdrpi/PublicationInfo.php
@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * Class for handling the mdrpi:PublicationInfo element.
+ *
+ * @link: http://docs.oasis-open.org/security/saml/Post2.0/saml-metadata-rpi/v1.0/saml-metadata-rpi-v1.0.pdf
+ * @package simpleSAMLphp
+ * @version $Id$
+ */
+class SAML2_XML_mdrpi_PublicationInfo {
+
+	/**
+	 * The identifier of the metadata publisher.
+	 *
+	 * @var string
+	 */
+	public $publisher;
+
+	/**
+	 * The creation timestamp for the metadata, as a UNIX timestamp.
+	 *
+	 * @var int|NULL
+	 */
+	public $creationInstant;
+
+	/**
+	 * Identifier for this metadata publication.
+	 *
+	 * @var string|NULL
+	 */
+	public $publicationId;
+
+	/**
+	 * Link to usage policy for this metadata.
+	 *
+	 * This is an associative array with language=>URL.
+	 *
+	 * @var array
+	 */
+	public $UsagePolicy = array();
+
+
+	/**
+	 * Create/parse a mdrpi:PublicationInfo element.
+	 *
+	 * @param DOMElement|NULL $xml  The XML element we should load.
+	 */
+	public function __construct(DOMElement $xml = NULL) {
+
+		if ($xml === NULL) {
+			return;
+		}
+
+		if (!$xml->hasAttribute('publisher')) {
+			throw new Exception('Missing required attribute "publisher" in mdrpi:PublicationInfo element.');
+		}
+		$this->publisher = $xml->getAttribute('publisher');
+
+		if ($xml->hasAttribute('creationInstant')) {
+			$this->creationInstant = SimpleSAML_Utilities::parseSAML2Time($xml->getAttribute('creationInstant'));
+		}
+
+		if ($xml->hasAttribute('publicationId')) {
+			$this->publicationId = $xml->getAttribute('publicationId');
+		}
+
+		$query = './*[local-name()="UsagePolicy" and namespace-uri()="' . SAML2_XML_mdrpi_Common::NS_MDRPI . '"]';
+		$this->UsagePolicy = SAML2_Utils::extractLocalizedStrings($xml, $query);
+	}
+
+
+	/**
+	 * Convert this element to XML.
+	 *
+	 * @param DOMElement $parent  The element we should append to.
+	 */
+	public function toXML(DOMElement $parent) {
+		assert('is_string($this->publisher)');
+		assert('is_int($this->creationInstant) || is_null($this->creationInstant)');
+		assert('is_string($this->publicationId) || is_null($this->publicationId)');
+		assert('is_array($this->UsagePolicy)');
+
+		$doc = $parent->ownerDocument;
+
+		$e = $doc->createElementNS(SAML2_XML_mdrpi_Common::NS_MDRPI, 'mdrpi:PublicationInfo');
+		$parent->appendChild($e);
+
+		$e->setAttribute('publisher', $this->publisher);
+
+		if ($this->creationInstant !== NULL) {
+			$e->setAttribute('creationInstant', gmdate('Y-m-d\TH:i:s\Z', $this->creationInstant));
+		}
+
+		if ($this->publicationId !== NULL) {
+			$e->setAttribute('publicationId', $this->publicationId);
+		}
+
+		SAML2_Utils::addStrings($e, SAML2_XML_mdrpi_Common::NS_MDRPI, 'mdrpi:UsagePolicy', TRUE, $this->UsagePolicy);
+
+		return $e;
+	}
+
+}