Moved the public XRDS from the OpenID plugin to core

Added 4 new events involved in XRDS: StartUserXRDS, EndUserXRDS, StartPublicXRDS, EndPublicXRDS
Added OpenID provider functionality (no delegation support [yet])

1 files changed, 97 insertions, 0 deletions

diff --git a/lib/xrdsoutputter.php b/lib/xrdsoutputter.php
new file mode 100644
index 000000000..0e228e293
--- /dev/null
+++ b/lib/xrdsoutputter.php
@@ -0,0 +1,97 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Low-level generator for HTML
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Output
+ * @package   StatusNet
+ * @author    Craig Andrews <candrews@integralblue.com>
+ * @copyright 2008 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/xmloutputter.php';
+
+/**
+ * Low-level generator for XRDS XML
+ *
+ * @category Output
+ * @package  StatusNet
+ * @author   Craig Andrews <candrews@integralblue.com>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ *
+ * @see      Action
+ * @see      XMLOutputter
+ */
+
+class XRDSOutputter extends XMLOutputter
+{
+    public function startXRDS()
+    {
+        header('Content-Type: application/xrds+xml');
+        $this->startXML();
+        $this->elementStart('XRDS', array('xmlns' => 'xri://$xrds'));
+    }
+    
+    public function endXRDS()
+    {
+        $this->elementEnd('XRDS');
+        $this->endXML();
+    }
+
+    /**
+     * Show service.
+     *
+     * @param string $type    XRDS type
+     * @param string $uri     URI
+     * @param array  $params  type parameters, null by default
+     * @param array  $sigs    type signatures, null by default
+     * @param string $localId local ID, null by default
+     *
+     * @return void
+     */
+    function showXrdsService($type, $uri, $params=null, $sigs=null, $localId=null)
+    {
+        $this->elementStart('Service');
+        if ($uri) {
+            $this->element('URI', null, $uri);
+        }
+        $this->element('Type', null, $type);
+        if ($params) {
+            foreach ($params as $param) {
+                $this->element('Type', null, $param);
+            }
+        }
+        if ($sigs) {
+            foreach ($sigs as $sig) {
+                $this->element('Type', null, $sig);
+            }
+        }
+        if ($localId) {
+            $this->element('LocalID', null, $localId);
+        }
+        $this->elementEnd('Service');
+    }
+}