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<?php
/*
StatusNet Plugin: 0.9
Plugin Name: FeedSub
Plugin URI: http://status.net/wiki/Feed_subscription
Description: FeedSub allows subscribing to real-time updates from external feeds supporting PubHubSubbub protocol.
Version: 0.1
Author: Brion Vibber <brion@status.net>
Author URI: http://status.net/
*/
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, 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/>.
*/
/**
* @package FeedSubPlugin
* @maintainer Brion Vibber <brion@status.net>
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
define('FEEDSUB_SERVICE', 100); // fixme -- avoid hardcoding these?
// We bundle the XML_Parse_Feed library...
set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib');
class FeedSubException extends Exception
{
}
class OStatusPlugin extends Plugin
{
/**
* Hook for RouterInitialized event.
*
* @param Net_URL_Mapper $m path-to-action mapper
* @return boolean hook return
*/
function onRouterInitialized($m)
{
$m->connect('.well-known/host-meta',
array('action' => 'hostmeta'));
$m->connect('main/webfinger',
array('action' => 'webfinger'));
$m->connect('main/ostatus',
array('action' => 'ostatusinit'));
$m->connect('main/ostatus?nickname=:nickname',
array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
$m->connect('main/ostatussub',
array('action' => 'ostatussub'));
$m->connect('main/ostatussub',
array('action' => 'ostatussub'), array('feed' => '[A-Za-z0-9\.\/\:]+'));
$m->connect('main/push/hub', array('action' => 'pushhub'));
$m->connect('main/push/callback/:feed',
array('action' => 'pushcallback'),
array('feed' => '[0-9]+'));
$m->connect('settings/feedsub',
array('action' => 'feedsubsettings'));
return true;
}
/**
* Set up queue handlers for outgoing hub pushes
* @param QueueManager $qm
* @return boolean hook return
*/
function onEndInitializeQueueManager(QueueManager $qm)
{
$qm->connect('hubverify', 'HubVerifyQueueHandler');
$qm->connect('hubdistrib', 'HubDistribQueueHandler');
$qm->connect('hubout', 'HubOutQueueHandler');
return true;
}
/**
* Put saved notices into the queue for pubsub distribution.
*/
function onStartEnqueueNotice($notice, &$transports)
{
$transports[] = 'hubdistrib';
return true;
}
/**
* Set up a PuSH hub link to our internal link for canonical timeline
* Atom feeds for users.
*/
function onStartApiAtom(Action $action)
{
if ($action instanceof ApiTimelineUserAction) {
$id = $action->arg('id');
if (strval(intval($id)) === strval($id)) {
// Canonical form of id in URL?
// Updates will be handled for our internal PuSH hub.
$action->element('link', array('rel' => 'hub',
'href' => common_local_url('pushhub')));
}
}
return true;
}
/**
* Add the feed settings page to the Connect Settings menu
*
* @param Action &$action The calling page
*
* @return boolean hook return
*/
function onEndConnectSettingsNav(&$action)
{
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('feedsubsettings'),
_m('Feeds'),
_m('Feed subscription options'),
$action_name === 'feedsubsettings');
return true;
}
/**
* Automatically load the actions and libraries used by the plugin
*
* @param Class $cls the class
*
* @return boolean hook return
*
*/
function onAutoload($cls)
{
$base = dirname(__FILE__);
$lower = strtolower($cls);
$files = array("$base/classes/$cls.php",
"$base/lib/$lower.php");
if (substr($lower, -6) == 'action') {
$files[] = "$base/actions/" . substr($lower, 0, -6) . ".php";
}
foreach ($files as $file) {
if (file_exists($file)) {
include_once $file;
return false;
}
}
return true;
}
/**
* Add in an OStatus subscribe button
*/
function onStartProfilePageActionsElements($output, $profile)
{
$cur = common_current_user();
if (empty($cur)) {
// Add an OStatus subscribe
$output->elementStart('li', 'entity_subscribe');
$url = common_local_url('ostatusinit',
array('nickname' => $profile->nickname));
$output->element('a', array('href' => $url,
'class' => 'entity_remote_subscribe'),
_('OStatus'));
$output->elementEnd('li');
}
}
function onCheckSchema() {
// warning: the autoincrement doesn't seem to set.
// alter table feedinfo change column id id int(11) not null auto_increment;
$schema = Schema::get();
$schema->ensureTable('feedinfo', Feedinfo::schemaDef());
$schema->ensureTable('hubsub', HubSub::schemaDef());
return true;
}
}
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