Added a PubSubHubBub plugin

[quix0rs-gnu-social.git] / plugins / PubSubHubBub / PubSubHubBubPlugin.php

diff --git a/plugins/PubSubHubBub/PubSubHubBubPlugin.php b/plugins/PubSubHubBub/PubSubHubBubPlugin.php
new file mode 100644 (file)
index 0000000..013a234
--- /dev/null
+++ b/plugins/PubSubHubBub/PubSubHubBubPlugin.php
@@ -0,0 +1,122 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugin to push RSS/Atom updates to a PubSubHubBub hub
+ *
+ * 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  Plugin
+ * @package   StatusNet
+ * @author    Craig Andrews <candrews@integralblue.com>
+ * @copyright 2009 Craig Andrews http://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/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+define('DEFAULT_HUB','http://2pubsubhubbub.appspot.com');
+
+require_once(INSTALLDIR.'/plugins/PubSubHubBub/publisher.php');
+
+class PubSubHubBubPlugin extends Plugin
+{
+    private $hub;
+
+    function __construct()
+    {
+        parent::__construct();
+    }
+
+    function onInitializePlugin(){
+        $this->hub = common_config('PubSubHubBub', 'hub');
+        if(empty($this->hub)){
+            $this->hub = DEFAULT_HUB;
+        }
+    }
+
+    function onStartApiAtom($action){
+        $action->element('link',array('rel'=>'hub','href'=>$this->hub),null);
+    }
+
+    function onStartApiRss($action){
+        $action->element('atom:link',array('rel'=>'hub','href'=>$this->hub),null);
+    }
+
+    function onEndNoticeSave($notice){
+        $publisher = new Publisher($this->hub);
+
+        $feeds = array();
+
+        //public timeline feeds
+        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'public_timeline.rss'));
+        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'public_timeline.atom'));
+
+        //author's own feeds
+        $user = User::staticGet('id',$notice->profile_id);
+        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
+        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
+
+        //tag feeds
+        $tag = new Notice_tag();
+        $tag->notice_id = $notice->id;
+        if ($tag->find()) {
+            while ($tag->fetch()) {
+                $feeds[]=common_local_url('api',array('apiaction' => 'tags','method' => 'timeline', 'argument'=>$tag->tag.'.atom'));
+                $feeds[]=common_local_url('api',array('apiaction' => 'tags','method' => 'timeline', 'argument'=>$tag->tag.'.rss'));
+            }
+        }
+
+        //group feeds
+        $group_inbox = new Group_inbox();
+        $group_inbox->notice_id = $notice->id;
+        if ($group_inbox->find()) {
+            while ($group_inbox->fetch()) {
+                $group = User_group::staticGet('id',$group_inbox->group_id);
+                $feeds[]=common_local_url('api',array('apiaction' => 'groups','method' => 'timeline','argument' => $group->nickname.'.rss'));
+                $feeds[]=common_local_url('api',array('apiaction' => 'groups','method' => 'timeline','argument' => $group->nickname.'.atom'));
+            }
+        }
+
+        //feed of each user that subscribes to the notice's author
+        $notice_inbox = new Notice_inbox();
+        $notice_inbox->notice_id = $notice->id;
+        if ($notice_inbox->find()) {
+            while ($notice_inbox->fetch()) {
+                $user = User::staticGet('id',$notice_inbox->user_id);
+                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
+                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
+            }
+        }
+
+        /* TODO: when the reply page gets RSS and ATOM feeds, implement this
+        //feed of user replied to
+        if($notice->reply_to){
+                $user = User::staticGet('id',$notice->reply_to);
+                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
+                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
+        }*/
+
+        foreach(array_unique($feeds) as $feed){
+            if(! $publisher->publish_update($feed)){
+                common_log_line(LOG_WARNING,$feed.' was not published to hub at '.$this->hub.':'.$publisher->last_response());
+            }
+        }
+    }
+}