Move OpenID-related files to OpenID plugin directory

As a first step to pluginizing our OpenID support, I've moved the
important OpenID-related files to a dedicated plugin directory. Many
of these classes are still referred to by libraries that are still in
core.

1 files changed, 173 insertions, 0 deletions

diff --git a/plugins/OpenID/xrds.php b/plugins/OpenID/xrds.php
new file mode 100644
index 000000000..9327a3c83
--- /dev/null
+++ b/plugins/OpenID/xrds.php
@@ -0,0 +1,173 @@
+<?php
+
+/**
+ * XRDS for OpenID
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Robin Millette <millette@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ *
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, Control Yourself, Inc.
+ *
+ * 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/>.
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/omb.php';
+
+/**
+ * XRDS for OpenID
+ *
+ * @category Action
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Robin Millette <millette@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://laconi.ca/
+ */
+class XrdsAction extends Action
+{
+    /**
+     * Is read only?
+     *
+     * @return boolean true
+     */
+    function isReadOnly($args)
+    {
+        return true;
+    }
+
+    /**
+     * Class handler.
+     *
+     * @param array $args query arguments
+     *
+     * @return void
+     */
+    function handle($args)
+    {
+        parent::handle($args);
+        $nickname = $this->trimmed('nickname');
+        $user     = User::staticGet('nickname', $nickname);
+        if (!$user) {
+            $this->clientError(_('No such user.'));
+            return;
+        }
+        $this->showXrds($user);
+    }
+
+    /**
+     * Show XRDS for a user.
+     *
+     * @param class $user XRDS for this user.
+     *
+     * @return void
+     */
+    function showXrds($user)
+    {
+        header('Content-Type: application/xrds+xml');
+        $this->startXML();
+        $this->elementStart('XRDS', array('xmlns' => 'xri://$xrds'));
+
+        $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
+                                          'xml:id' => 'oauth',
+                                          'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
+                                          'version' => '2.0'));
+        $this->element('Type', null, 'xri://$xrds*simple');
+        $this->showService(OAUTH_ENDPOINT_REQUEST,
+                            common_local_url('requesttoken'),
+                            array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
+                            array(OAUTH_HMAC_SHA1),
+                            $user->uri);
+        $this->showService(OAUTH_ENDPOINT_AUTHORIZE,
+                            common_local_url('userauthorization'),
+                            array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
+                            array(OAUTH_HMAC_SHA1));
+        $this->showService(OAUTH_ENDPOINT_ACCESS,
+                            common_local_url('accesstoken'),
+                            array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
+                            array(OAUTH_HMAC_SHA1));
+        $this->showService(OAUTH_ENDPOINT_RESOURCE,
+                            null,
+                            array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY),
+                            array(OAUTH_HMAC_SHA1));
+        $this->elementEnd('XRD');
+
+        // XXX: decide whether to include user's ID/nickname in postNotice URL
+        $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
+                                          'xml:id' => 'omb',
+                                          'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
+                                          'version' => '2.0'));
+        $this->element('Type', null, 'xri://$xrds*simple');
+        $this->showService(OMB_ENDPOINT_POSTNOTICE,
+                            common_local_url('postnotice'));
+        $this->showService(OMB_ENDPOINT_UPDATEPROFILE,
+                            common_local_url('updateprofile'));
+        $this->elementEnd('XRD');
+        $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
+                                          'version' => '2.0'));
+        $this->element('Type', null, 'xri://$xrds*simple');
+        $this->showService(OAUTH_DISCOVERY,
+                            '#oauth');
+        $this->showService(OMB_NAMESPACE,
+                            '#omb');
+        $this->elementEnd('XRD');
+        $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 $localId local ID, null by default
+     *
+     * @return void
+     */
+    function showService($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');
+    }
+}
+