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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('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;
+ }
+
+ 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;
+ }
+}