gnu-social/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://pubsubhubbub.appspot.com');
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require_once INSTALLDIR.'/plugins/PubSubHubBub/publisher.php';
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class PubSubHubBubPlugin extends Plugin
{
public $hub = DEFAULT_HUB;
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function __construct()
{
parent::__construct();
}
function onStartApiAtom($action)
{
$action->element('link', array('rel' => 'hub', 'href' => $this->hub), null);
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}
function onStartApiRss($action)
{
$action->element('atom:link', array('rel' => 'hub',
'href' => $this->hub),
null);
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}
function onHandleQueuedNotice($notice)
{
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$publisher = new Publisher($this->hub);
$feeds = array();
//public timeline feeds
$feeds[] = common_local_url('ApiTimelinePublic', array('format' => 'rss'));
$feeds[] = common_local_url('ApiTimelinePublic', array('format' => 'atom'));
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//author's own feeds
$user = User::staticGet('id', $notice->profile_id);
$feeds[] = common_local_url('ApiTimelineUser',
array('id' => $user->nickname,
'format' => 'rss'));
$feeds[] = common_local_url('ApiTimelineUser',
array('id' => $user->nickname,
'format' => 'atom'));
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//tag feeds
$tag = new Notice_tag();
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$tag->notice_id = $notice->id;
if ($tag->find()) {
while ($tag->fetch()) {
$feeds[] = common_local_url('ApiTimelineTag',
array('tag' => $tag->tag,
'format' => 'rss'));
$feeds[] = common_local_url('ApiTimelineTag',
array('tag' => $tag->tag,
'format' => 'atom'));
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}
}
//group feeds
$group_inbox = new Group_inbox();
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$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('ApiTimelineGroup',
array('id' => $group->nickname,
'format' => 'rss'));
$feeds[] = common_local_url('ApiTimelineGroup',
array('id' => $group->nickname,
'format' => 'atom'));
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}
}
//feed of each user that subscribes to the notice's author
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$ni = $notice->whoGets();
foreach (array_keys($ni) as $user_id) {
$user = User::staticGet('id', $user_id);
if (empty($user)) {
continue;
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}
$feeds[] = common_local_url('ApiTimelineFriends',
array('id' => $user->nickname,
'format' => 'rss'));
$feeds[] = common_local_url('ApiTimelineFriends',
array('id' => $user->nickname,
'format' => 'atom'));
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}
$replies = $notice->getReplies();
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//feed of user replied to
foreach ($replies as $recipient) {
$user = User::staticGet('id', $recipient);
if (!empty($user)) {
$feeds[] = common_local_url('ApiTimelineMentions',
array('id' => $user->nickname,
'format' => 'rss'));
$feeds[] = common_local_url('ApiTimelineMentions',
array('id' => $user->nickname,
'format' => 'atom'));
}
}
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foreach (array_unique($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());
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}
}
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'PubSubHubBub',
'version' => STATUSNET_VERSION,
'author' => 'Craig Andrews',
'homepage' =>
'http://status.net/wiki/Plugin:PubSubHubBub',
'rawdescription' =>
_m('The PubSubHubBub plugin pushes RSS/Atom updates '.
'to a <a href = "'.
'http://pubsubhubbub.googlecode.com/'.
'">PubSubHubBub</a> hub.'));
return true;
}
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}