490 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			490 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /*
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|  * StatusNet - the distributed open-source microblogging tool
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|  * Copyright (C) 2009-2010, StatusNet, Inc.
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU Affero General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU Affero General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Affero General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| /**
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|  * @package OStatusPlugin
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|  * @maintainer Brion Vibber <brion@status.net>
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|  */
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| 
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| if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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| 
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| class FeedSubException extends Exception
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| {
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| }
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| 
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| class OStatusPlugin extends Plugin
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| {
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|     /**
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|      * Hook for RouterInitialized event.
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|      *
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|      * @param Net_URL_Mapper $m path-to-action mapper
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|      * @return boolean hook return
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|      */
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|     function onRouterInitialized($m)
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|     {
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|         // Discovery actions
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|         $m->connect('.well-known/host-meta',
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|                     array('action' => 'hostmeta'));
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|         $m->connect('main/webfinger',
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|                     array('action' => 'webfinger'));
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|         $m->connect('main/ostatus',
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|                     array('action' => 'ostatusinit'));
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|         $m->connect('main/ostatus?nickname=:nickname',
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|                   array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
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|         $m->connect('main/ostatussub',
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|                     array('action' => 'ostatussub'));
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|         $m->connect('main/ostatussub',
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|                     array('action' => 'ostatussub'), array('feed' => '[A-Za-z0-9\.\/\:]+'));
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| 
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|         // PuSH actions
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|         $m->connect('main/push/hub', array('action' => 'pushhub'));
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| 
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|         $m->connect('main/push/callback/:feed',
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|                     array('action' => 'pushcallback'),
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|                     array('feed' => '[0-9]+'));
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|         $m->connect('settings/feedsub',
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|                     array('action' => 'feedsubsettings'));
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| 
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|         // Salmon endpoint
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|         $m->connect('main/salmon/user/:id',
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|                     array('action' => 'usersalmon'),
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|                     array('id' => '[0-9]+'));
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|         $m->connect('main/salmon/group/:id',
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|                     array('action' => 'groupsalmon'),
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|                     array('id' => '[0-9]+'));
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|         return true;
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|     }
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| 
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|     /**
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|      * Set up queue handlers for outgoing hub pushes
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|      * @param QueueManager $qm
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|      * @return boolean hook return
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|      */
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|     function onEndInitializeQueueManager(QueueManager $qm)
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|     {
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|         $qm->connect('hubverify', 'HubVerifyQueueHandler');
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|         $qm->connect('hubdistrib', 'HubDistribQueueHandler');
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|         $qm->connect('hubout', 'HubOutQueueHandler');
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|         return true;
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|     }
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| 
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|     /**
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|      * Put saved notices into the queue for pubsub distribution.
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|      */
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|     function onStartEnqueueNotice($notice, &$transports)
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|     {
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|         $transports[] = 'hubdistrib';
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|         return true;
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|     }
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| 
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|     /**
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|      * Set up a PuSH hub link to our internal link for canonical timeline
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|      * Atom feeds for users and groups.
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|      */
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|     function onStartApiAtom($feed)
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|     {
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|         $id = null;
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| 
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|         if ($feed instanceof AtomUserNoticeFeed) {
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|             $salmonAction = 'usersalmon';
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|             $user = $feed->getUser();
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|             $id   = $user->id;
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|             $profile = $user->getProfile();
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|             $feed->setActivitySubject($profile->asActivityNoun('subject'));
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|         } else if ($feed instanceof AtomGroupNoticeFeed) {
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|             $salmonAction = 'groupsalmon';
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|             $group = $feed->getGroup();
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|             $id = $group->id;
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|             $feed->setActivitySubject($group->asActivitySubject());
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|         } else {
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|             return true;
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|         }
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| 
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|         if (!empty($id)) {
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|             $hub = common_config('ostatus', 'hub');
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|             if (empty($hub)) {
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|                 // Updates will be handled through our internal PuSH hub.
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|                 $hub = common_local_url('pushhub');
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|             }
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|             $feed->addLink($hub, array('rel' => 'hub'));
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| 
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|             // Also, we'll add in the salmon link
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|             $salmon = common_local_url($salmonAction, array('id' => $id));
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|             $feed->addLink($salmon, array('rel' => 'salmon'));
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|         }
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Add the feed settings page to the Connect Settings menu
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|      *
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|      * @param Action &$action The calling page
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|      *
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|      * @return boolean hook return
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|      */
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|     function onEndConnectSettingsNav(&$action)
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|     {
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|         $action_name = $action->trimmed('action');
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| 
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|         $action->menuItem(common_local_url('feedsubsettings'),
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|                           _m('Feeds'),
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|                           _m('Feed subscription options'),
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|                           $action_name === 'feedsubsettings');
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Automatically load the actions and libraries used by the plugin
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|      *
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|      * @param Class $cls the class
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|      *
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|      * @return boolean hook return
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|      *
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|      */
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|     function onAutoload($cls)
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|     {
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|         $base = dirname(__FILE__);
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|         $lower = strtolower($cls);
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|         $map = array('activityverb' => 'activity',
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|                      'activityobject' => 'activity',
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|                      'activityutils' => 'activity');
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|         if (isset($map[$lower])) {
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|             $lower = $map[$lower];
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|         }
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|         $files = array("$base/classes/$cls.php",
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|                        "$base/lib/$lower.php");
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|         if (substr($lower, -6) == 'action') {
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|             $files[] = "$base/actions/" . substr($lower, 0, -6) . ".php";
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|         }
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|         foreach ($files as $file) {
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|             if (file_exists($file)) {
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|                 include_once $file;
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|                 return false;
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|             }
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|         }
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|         return true;
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|     }
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| 
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|     /**
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|      * Add in an OStatus subscribe button
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|      */
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|     function onStartProfileRemoteSubscribe($output, $profile)
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|     {
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|         $cur = common_current_user();
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| 
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|         if (empty($cur)) {
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|             // Add an OStatus subscribe
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|             $output->elementStart('li', 'entity_subscribe');
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|             $url = common_local_url('ostatusinit',
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|                                     array('nickname' => $profile->nickname));
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|             $output->element('a', array('href' => $url,
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|                                         'class' => 'entity_remote_subscribe'),
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|                                 _m('Subscribe'));
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| 
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|             $output->elementEnd('li');
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|         }
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| 
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|         return false;
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|     }
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| 
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|     /**
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|      * Check if we've got remote replies to send via Salmon.
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|      *
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|      * @fixme push webfinger lookup & sending to a background queue
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|      * @fixme also detect short-form name for remote subscribees where not ambiguous
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|      */
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|     function onEndNoticeSave($notice)
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|     {
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|         $count = preg_match_all('/(\w+\.)*\w+@(\w+\.)*\w+(\w+\-\w+)*\.\w+/', $notice->content, $matches);
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|         if ($count) {
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|             foreach ($matches[0] as $webfinger) {
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| 
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|                 // FIXME: look up locally first
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| 
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|                 // Check to see if we've got an actual webfinger
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|                 $w = new Webfinger;
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| 
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|                 $endpoint_uri = '';
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| 
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|                 $result = $w->lookup($webfinger);
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|                 if (empty($result)) {
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|                     continue;
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|                 }
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| 
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|                 foreach ($result->links as $link) {
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|                     if ($link['rel'] == 'salmon') {
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|                         $endpoint_uri = $link['href'];
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|                     }
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|                 }
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| 
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|                 if (empty($endpoint_uri)) {
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|                     continue;
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|                 }
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| 
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|                 // FIXME: this needs to go out in a queue handler
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| 
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|                 $xml = '<?xml version="1.0" encoding="UTF-8" ?>';
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|                 $xml .= $notice->asAtomEntry();
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| 
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|                 $salmon = new Salmon();
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|                 $salmon->post($endpoint_uri, $xml);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Notify remote server and garbage collect unused feeds on unsubscribe.
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|      * @fixme send these operations to background queues
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|      *
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|      * @param User $user
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|      * @param Profile $other
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|      * @return hook return value
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|      */
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|     function onEndUnsubscribe($profile, $other)
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|     {
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|         $user = User::staticGet('id', $profile->id);
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| 
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|         if (empty($user)) {
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|             return true;
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|         }
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| 
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|         $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
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| 
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|         if (empty($oprofile)) {
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|             return true;
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|         }
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| 
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|         // Drop the PuSH subscription if there are no other subscribers.
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| 
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|         if ($other->subscriberCount() == 0) {
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|             common_log(LOG_INFO, "Unsubscribing from now-unused feed $oprofile->feeduri");
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|             $oprofile->unsubscribe();
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|         }
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| 
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|         $act = new Activity();
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| 
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|         $act->verb = ActivityVerb::UNFOLLOW;
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| 
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|         $act->id   = TagURI::mint('unfollow:%d:%d:%s',
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|                                   $profile->id,
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|                                   $other->id,
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|                                   common_date_iso8601(time()));
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| 
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|         $act->time    = time();
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|         $act->title   = _("Unfollow");
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|         $act->content = sprintf(_("%s stopped following %s."),
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|                                $profile->getBestName(),
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|                                $other->getBestName());
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| 
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|         $act->actor   = ActivityObject::fromProfile($subscriber);
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|         $act->object  = ActivityObject::fromProfile($other);
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| 
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|         $oprofile->notifyActivity($act);
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Make sure necessary tables are filled out.
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|      */
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|     function onCheckSchema() {
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|         $schema = Schema::get();
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|         $schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
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|         $schema->ensureTable('feedsub', FeedSub::schemaDef());
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|         $schema->ensureTable('hubsub', HubSub::schemaDef());
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|         return true;
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|     }
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| 
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|     function onEndShowStatusNetStyles($action) {
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|         $action->cssLink(common_path('plugins/OStatus/theme/base/css/ostatus.css'));
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|         return true;
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|     }
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| 
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|     function onEndShowStatusNetScripts($action) {
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|         $action->script(common_path('plugins/OStatus/js/ostatus.js'));
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|         return true;
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|     }
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| 
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|     /**
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|      * Override the "from ostatus" bit in notice lists to link to the
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|      * original post and show the domain it came from.
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|      *
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|      * @param Notice in $notice
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|      * @param string out &$name
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|      * @param string out &$url
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|      * @param string out &$title
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|      * @return mixed hook return code
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|      */
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|     function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
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|     {
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|         if ($notice->source == 'ostatus') {
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|             $bits = parse_url($notice->uri);
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|             $domain = $bits['host'];
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| 
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|             $name = $domain;
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|             $url = $notice->uri;
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|             $title = sprintf(_m("Sent from %s via OStatus"), $domain);
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|             return false;
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|         }
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|     }
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| 
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|     /**
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|      * Send incoming PuSH feeds for OStatus endpoints in for processing.
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|      *
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|      * @param FeedSub $feedsub
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|      * @param DOMDocument $feed
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|      * @return mixed hook return code
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|      */
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|     function onStartFeedSubReceive($feedsub, $feed)
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|     {
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|         $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
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|         if ($oprofile) {
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|             $oprofile->processFeed($feed);
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|         } else {
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|             common_log(LOG_DEBUG, "No ostatus profile for incoming feed $feedsub->uri");
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|         }
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|     }
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| 
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|     function onEndSubscribe($subscriber, $other)
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|     {
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|         $user = User::staticGet('id', $subscriber->id);
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| 
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|         if (empty($user)) {
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|             return true;
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|         }
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| 
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|         $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
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| 
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|         if (empty($oprofile)) {
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|             return true;
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|         }
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| 
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|         $act = new Activity();
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| 
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|         $act->verb = ActivityVerb::FOLLOW;
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| 
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|         $act->id   = TagURI::mint('follow:%d:%d:%s',
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|                                   $subscriber->id,
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|                                   $other->id,
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|                                   common_date_iso8601(time()));
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| 
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|         $act->time    = time();
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|         $act->title   = _("Follow");
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|         $act->content = sprintf(_("%s is now following %s."),
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|                                $subscriber->getBestName(),
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|                                $other->getBestName());
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| 
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|         $act->actor   = ActivityObject::fromProfile($subscriber);
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|         $act->object  = ActivityObject::fromProfile($other);
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| 
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|         $oprofile->notifyActivity($act);
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Notify remote users when their notices get favorited.
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|      *
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|      * @param Profile or User $profile of local user doing the faving
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|      * @param Notice $notice being favored
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|      * @return hook return value
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|      */
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| 
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|     function onEndFavorNotice(Profile $profile, Notice $notice)
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|     {
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|         $user = User::staticGet('id', $profile->id);
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| 
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|         if (empty($user)) {
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|             return true;
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|         }
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| 
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|         $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
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| 
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|         if (empty($oprofile)) {
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|             return true;
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|         }
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| 
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|         $act = new Activity();
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| 
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|         $act->verb = ActivityVerb::FAVORITE;
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|         $act->id   = TagURI::mint('favor:%d:%d:%s',
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|                                   $profile->id,
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|                                   $notice->id,
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|                                   common_date_iso8601(time()));
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| 
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|         $act->time    = time();
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|         $act->title   = _("Favor");
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|         $act->content = sprintf(_("%s marked notice %s as a favorite."),
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|                                $profile->getBestName(),
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|                                $notice->uri);
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| 
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|         $act->actor   = ActivityObject::fromProfile($profile);
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|         $act->object  = ActivityObject::fromNotice($notice);
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| 
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|         $oprofile->notifyActivity($act);
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| 
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|         return true;
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|     }
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| 
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|     /**
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|      * Notify remote users when their notices get de-favorited.
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|      *
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|      * @param Profile or User $profile of local user doing the de-faving
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|      * @param Notice $notice being favored
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|      * @return hook return value
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|      */
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| 
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|     function onEndDisfavorNotice(Profile $profile, Notice $notice)
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|     {
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|         $user = User::staticGet('id', $profile->id);
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| 
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|         if (empty($user)) {
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|             return true;
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|         }
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| 
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|         $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
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| 
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|         if (empty($oprofile)) {
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|             return true;
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|         }
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| 
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|         $act = new Activity();
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| 
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|         $act->verb = ActivityVerb::UNFAVORITE;
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|         $act->id   = TagURI::mint('disfavor:%d:%d:%s',
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|                                   $profile->id,
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|                                   $notice->id,
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|                                   common_date_iso8601(time()));
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|         $act->time    = time();
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|         $act->title   = _("Disfavor");
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|         $act->content = sprintf(_("%s marked notice %s as no longer a favorite."),
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|                                $profile->getBestName(),
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|                                $notice->uri);
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| 
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|         $act->actor   = ActivityObject::fromProfile($profile);
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|         $act->object  = ActivityObject::fromNotice($notice);
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| 
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|         $oprofile->notifyActivity($act);
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| 
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|         return true;
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|     }
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| }
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