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diff --git a/plugins/PubSubHubBub/PubSubHubBubPlugin.php b/plugins/PubSubHubBub/PubSubHubBubPlugin.php
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+<?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());
+ }
+ }
+ }
+}