1015 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1015 lines
		
	
	
		
			33 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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 * @package OStatusPlugin
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 * @maintainer Brion Vibber <brion@status.net>
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 */
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if (!defined('STATUSNET')) {
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    exit(1);
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}
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set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/');
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class FeedSubException extends Exception
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{
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    function __construct($msg=null)
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    {
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        $type = get_class($this);
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        if ($msg) {
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            parent::__construct("$type: $msg");
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        } else {
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            parent::__construct($type);
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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/xrd',
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                    array('action' => 'userxrd'));
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        $m->connect('main/ownerxrd',
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                    array('action' => 'ownerxrd'));
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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/ostatus?group=:group',
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                  array('action' => 'ostatusinit'), array('group' => '[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/ostatusgroup',
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                    array('action' => 'ostatusgroup'));
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        // PuSH actions
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        $m->connect('main/push/hub', array('action' => 'pushhub'));
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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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        // 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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     * 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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        // Prepare outgoing distributions after notice save.
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        $qm->connect('ostatus', 'OStatusQueueHandler');
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        // Outgoing from our internal PuSH hub
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        $qm->connect('hubconf', 'HubConfQueueHandler');
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        $qm->connect('hubprep', 'HubPrepQueueHandler');
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        $qm->connect('hubout', 'HubOutQueueHandler');
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        // Outgoing Salmon replies (when we don't need a return value)
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        $qm->connect('salmon', 'SalmonQueueHandler');
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        // Incoming from a foreign PuSH hub
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        $qm->connect('pushin', 'PushInQueueHandler');
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        return true;
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    }
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    /**
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     * Put saved notices into the queue for pubsub distribution.
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     */
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    function onStartEnqueueNotice($notice, &$transports)
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    {
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        if ($notice->isLocal()) {
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            // put our transport first, in case there's any conflict (like OMB)
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            array_unshift($transports, 'ostatus');
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        }
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        return true;
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    }
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    /**
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     * Add a link header for LRDD Discovery
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     */
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    function onStartShowHTML($action)
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    {
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        if ($action instanceof ShowstreamAction) {
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            $acct = 'acct:'. $action->profile->nickname .'@'. common_config('site', 'server');
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            $url = common_local_url('userxrd');
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            $url.= '?uri='. $acct;
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            header('Link: <'.$url.'>; rel="'. Discovery::LRDD_REL.'"; type="application/xrd+xml"');
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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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        $id = null;
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        if ($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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        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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            // 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::REL_SALMON));
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            // XXX: these are deprecated
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            $feed->addLink($salmon, array('rel' => Salmon::NS_REPLIES));
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            $feed->addLink($salmon, array('rel' => Salmon::NS_MENTIONS));
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        }
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        return true;
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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 $file;
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                return false;
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            }
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        }
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        return true;
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    }
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    /**
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     * Add in an OStatus subscribe button
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     */
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    function onStartProfileRemoteSubscribe($output, $profile)
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    {
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        $cur = common_current_user();
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        if (empty($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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                                // TRANS: Link description for link to subscribe to a remote user.
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                                _m('Subscribe'));
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            $output->elementEnd('li');
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        }
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        return false;
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    }
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    function onStartGroupSubscribe($output, $group)
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    {
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        $cur = common_current_user();
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        if (empty($cur)) {
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            // Add an OStatus subscribe
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            $url = common_local_url('ostatusinit',
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                                    array('group' => $group->nickname));
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            $output->element('a', array('href' => $url,
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                                        'class' => 'entity_remote_subscribe'),
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                                // TRANS: Link description for link to join a remote group.
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                                _m('Join'));
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        }
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        return true;
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    }
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    /**
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     * Find any explicit remote mentions. Accepted forms:
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     *   Webfinger: @user@example.com
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     *   Profile link: @example.com/mublog/user
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     * @param Profile $sender (os user?)
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     * @param string $text input markup text
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     * @param array &$mention in/out param: set of found mentions
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     * @return boolean hook return value
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     */
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    function onEndFindMentions($sender, $text, &$mentions)
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    {
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        $matches = array();
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        // Webfinger matches: @user@example.com
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        if (preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+@(?:\w+\-?\w+\.)*\w+(?:\w+\-\w+)*\.\w+)!',
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                       $text,
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                       $wmatches,
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                       PREG_OFFSET_CAPTURE)) {
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            foreach ($wmatches[1] as $wmatch) {
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                list($target, $pos) = $wmatch;
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                $this->log(LOG_INFO, "Checking webfinger '$target'");
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                try {
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                    $oprofile = Ostatus_profile::ensureWebfinger($target);
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                    if ($oprofile && !$oprofile->isGroup()) {
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                        $profile = $oprofile->localProfile();
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                        $matches[$pos] = array('mentioned' => array($profile),
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                                               'text' => $target,
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                                               'position' => $pos,
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                                               'url' => $profile->profileurl);
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                    }
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                } catch (Exception $e) {
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                    $this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
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                }
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            }
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        }
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        // Profile matches: @example.com/mublog/user
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        if (preg_match_all('!(?:^|\s+)@((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)!',
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                       $text,
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                       $wmatches,
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                       PREG_OFFSET_CAPTURE)) {
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            foreach ($wmatches[1] as $wmatch) {
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                list($target, $pos) = $wmatch;
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                $schemes = array('http', 'https');
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                foreach ($schemes as $scheme) {
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                    $url = "$scheme://$target";
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                    $this->log(LOG_INFO, "Checking profile address '$url'");
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                    try {
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                        $oprofile = Ostatus_profile::ensureProfileURL($url);
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                        if ($oprofile && !$oprofile->isGroup()) {
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                            $profile = $oprofile->localProfile();
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                            $matches[$pos] = array('mentioned' => array($profile),
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                                                   'text' => $target,
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                                                   'position' => $pos,
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                                                   'url' => $profile->profileurl);
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                            break;
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                        }
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                    } catch (Exception $e) {
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                        $this->log(LOG_ERR, "Profile check failed: " . $e->getMessage());
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                    }
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                }
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            }
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        }
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        foreach ($mentions as $i => $other) {
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            // If we share a common prefix with a local user, override it!
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            $pos = $other['position'];
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            if (isset($matches[$pos])) {
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                $mentions[$i] = $matches[$pos];
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                unset($matches[$pos]);
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            }
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        }
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        foreach ($matches as $mention) {
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            $mentions[] = $mention;
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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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     * Allow remote profile references to be used in commands:
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     *   sub update@status.net
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     *   whois evan@identi.ca
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     *   reply http://identi.ca/evan hey what's up
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     *
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     * @param Command $command
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     * @param string $arg
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     * @param Profile &$profile
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     * @return hook return code
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     */
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    function onStartCommandGetProfile($command, $arg, &$profile)
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    {
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        $oprofile = $this->pullRemoteProfile($arg);
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        if ($oprofile && !$oprofile->isGroup()) {
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            $profile = $oprofile->localProfile();
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            return false;
 | 
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        } else {
 | 
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            return true;
 | 
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        }
 | 
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    }
 | 
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 | 
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    /**
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     * Allow remote group references to be used in commands:
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     *   join group+statusnet@identi.ca
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     *   join http://identi.ca/group/statusnet
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     *   drop identi.ca/group/statusnet
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     *
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     * @param Command $command
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     * @param string $arg
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     * @param User_group &$group
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     * @return hook return code
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     */
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    function onStartCommandGetGroup($command, $arg, &$group)
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    {
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        $oprofile = $this->pullRemoteProfile($arg);
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        if ($oprofile && $oprofile->isGroup()) {
 | 
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            $group = $oprofile->localGroup();
 | 
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            return false;
 | 
						|
        } else {
 | 
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            return true;
 | 
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        }
 | 
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    }
 | 
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 | 
						|
    protected function pullRemoteProfile($arg)
 | 
						|
    {
 | 
						|
        $oprofile = null;
 | 
						|
        if (preg_match('!^((?:\w+\.)*\w+@(?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+)$!', $arg)) {
 | 
						|
            // webfinger lookup
 | 
						|
            try {
 | 
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                return Ostatus_profile::ensureWebfinger($arg);
 | 
						|
            } catch (Exception $e) {
 | 
						|
                common_log(LOG_ERR, 'Webfinger lookup failed for ' .
 | 
						|
                                    $arg . ': ' . $e->getMessage());
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Look for profile URLs, with or without scheme:
 | 
						|
        $urls = array();
 | 
						|
        if (preg_match('!^https?://((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
 | 
						|
            $urls[] = $arg;
 | 
						|
        }
 | 
						|
        if (preg_match('!^((?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+(?:/\w+)+)$!', $arg)) {
 | 
						|
            $schemes = array('http', 'https');
 | 
						|
            foreach ($schemes as $scheme) {
 | 
						|
                $urls[] = "$scheme://$arg";
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        foreach ($urls as $url) {
 | 
						|
            try {
 | 
						|
                return Ostatus_profile::ensureProfileURL($url);
 | 
						|
            } catch (Exception $e) {
 | 
						|
                common_log(LOG_ERR, 'Profile lookup failed for ' .
 | 
						|
                                    $arg . ': ' . $e->getMessage());
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return null;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Make sure necessary tables are filled out.
 | 
						|
     */
 | 
						|
    function onCheckSchema() {
 | 
						|
        $schema = Schema::get();
 | 
						|
        $schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
 | 
						|
        $schema->ensureTable('ostatus_source', Ostatus_source::schemaDef());
 | 
						|
        $schema->ensureTable('feedsub', FeedSub::schemaDef());
 | 
						|
        $schema->ensureTable('hubsub', HubSub::schemaDef());
 | 
						|
        $schema->ensureTable('magicsig', Magicsig::schemaDef());
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onEndShowStatusNetStyles($action) {
 | 
						|
        $action->cssLink('plugins/OStatus/theme/base/css/ostatus.css');
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onEndShowStatusNetScripts($action) {
 | 
						|
        $action->script('plugins/OStatus/js/ostatus.js');
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Override the "from ostatus" bit in notice lists to link to the
 | 
						|
     * original post and show the domain it came from.
 | 
						|
     *
 | 
						|
     * @param Notice in $notice
 | 
						|
     * @param string out &$name
 | 
						|
     * @param string out &$url
 | 
						|
     * @param string out &$title
 | 
						|
     * @return mixed hook return code
 | 
						|
     */
 | 
						|
    function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
 | 
						|
    {
 | 
						|
        if ($notice->source == 'ostatus') {
 | 
						|
            if ($notice->url) {
 | 
						|
                $bits = parse_url($notice->url);
 | 
						|
                $domain = $bits['host'];
 | 
						|
                if (substr($domain, 0, 4) == 'www.') {
 | 
						|
                    $name = substr($domain, 4);
 | 
						|
                } else {
 | 
						|
                    $name = $domain;
 | 
						|
                }
 | 
						|
 | 
						|
                $url = $notice->url;
 | 
						|
                // TRANSLATE: %s is a domain.
 | 
						|
                $title = sprintf(_m("Sent from %s via OStatus"), $domain);
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
        }
 | 
						|
	return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Send incoming PuSH feeds for OStatus endpoints in for processing.
 | 
						|
     *
 | 
						|
     * @param FeedSub $feedsub
 | 
						|
     * @param DOMDocument $feed
 | 
						|
     * @return mixed hook return code
 | 
						|
     */
 | 
						|
    function onStartFeedSubReceive($feedsub, $feed)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
 | 
						|
        if ($oprofile) {
 | 
						|
            $oprofile->processFeed($feed, 'push');
 | 
						|
        } else {
 | 
						|
            common_log(LOG_DEBUG, "No ostatus profile for incoming feed $feedsub->uri");
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Tell the FeedSub infrastructure whether we have any active OStatus
 | 
						|
     * usage for the feed; if not it'll be able to garbage-collect the
 | 
						|
     * feed subscription.
 | 
						|
     *
 | 
						|
     * @param FeedSub $feedsub
 | 
						|
     * @param integer $count in/out
 | 
						|
     * @return mixed hook return code
 | 
						|
     */
 | 
						|
    function onFeedSubSubscriberCount($feedsub, &$count)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
 | 
						|
        if ($oprofile) {
 | 
						|
            $count += $oprofile->subscriberCount();
 | 
						|
        }
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * When about to subscribe to a remote user, start a server-to-server
 | 
						|
     * PuSH subscription if needed. If we can't establish that, abort.
 | 
						|
     *
 | 
						|
     * @fixme If something else aborts later, we could end up with a stray
 | 
						|
     *        PuSH subscription. This is relatively harmless, though.
 | 
						|
     *
 | 
						|
     * @param Profile $subscriber
 | 
						|
     * @param Profile $other
 | 
						|
     *
 | 
						|
     * @return hook return code
 | 
						|
     *
 | 
						|
     * @throws Exception
 | 
						|
     */
 | 
						|
    function onStartSubscribe($subscriber, $other)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $subscriber->id);
 | 
						|
 | 
						|
        if (empty($user)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        if (!$oprofile->subscribe()) {
 | 
						|
            // TRANS: Exception.
 | 
						|
            throw new Exception(_m('Could not set up remote subscription.'));
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Having established a remote subscription, send a notification to the
 | 
						|
     * remote OStatus profile's endpoint.
 | 
						|
     *
 | 
						|
     * @param Profile $subscriber
 | 
						|
     * @param Profile $other
 | 
						|
     *
 | 
						|
     * @return hook return code
 | 
						|
     *
 | 
						|
     * @throws Exception
 | 
						|
     */
 | 
						|
    function onEndSubscribe($subscriber, $other)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $subscriber->id);
 | 
						|
 | 
						|
        if (empty($user)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $sub = Subscription::pkeyGet(array('subscriber' => $subscriber->id,
 | 
						|
                                           'subscribed' => $other->id));
 | 
						|
 | 
						|
        $act = $sub->asActivity();
 | 
						|
 | 
						|
        $oprofile->notifyActivity($act, $subscriber);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Notify remote server and garbage collect unused feeds on unsubscribe.
 | 
						|
     * @fixme send these operations to background queues
 | 
						|
     *
 | 
						|
     * @param User $user
 | 
						|
     * @param Profile $other
 | 
						|
     * @return hook return value
 | 
						|
     */
 | 
						|
    function onEndUnsubscribe($profile, $other)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $profile->id);
 | 
						|
 | 
						|
        if (empty($user)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        // Drop the PuSH subscription if there are no other subscribers.
 | 
						|
        $oprofile->garbageCollect();
 | 
						|
 | 
						|
        $act = new Activity();
 | 
						|
 | 
						|
        $act->verb = ActivityVerb::UNFOLLOW;
 | 
						|
 | 
						|
        $act->id   = TagURI::mint('unfollow:%d:%d:%s',
 | 
						|
                                  $profile->id,
 | 
						|
                                  $other->id,
 | 
						|
                                  common_date_iso8601(time()));
 | 
						|
 | 
						|
        $act->time    = time();
 | 
						|
        $act->title   = _m('Unfollow');
 | 
						|
        // TRANS: Success message for unsubscribe from user attempt through OStatus.
 | 
						|
        // TRANS: %1$s is the unsubscriber's name, %2$s is the unsubscribed user's name.
 | 
						|
        $act->content = sprintf(_m('%1$s stopped following %2$s.'),
 | 
						|
                               $profile->getBestName(),
 | 
						|
                               $other->getBestName());
 | 
						|
 | 
						|
        $act->actor   = ActivityObject::fromProfile($profile);
 | 
						|
        $act->object  = ActivityObject::fromProfile($other);
 | 
						|
 | 
						|
        $oprofile->notifyActivity($act, $profile);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * When one of our local users tries to join a remote group,
 | 
						|
     * notify the remote server. If the notification is rejected,
 | 
						|
     * deny the join.
 | 
						|
     *
 | 
						|
     * @param User_group $group
 | 
						|
     * @param User $user
 | 
						|
     *
 | 
						|
     * @return mixed hook return value
 | 
						|
     */
 | 
						|
 | 
						|
    function onStartJoinGroup($group, $user)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
 | 
						|
        if ($oprofile) {
 | 
						|
            if (!$oprofile->subscribe()) {
 | 
						|
                throw new Exception(_m('Could not set up remote group membership.'));
 | 
						|
            }
 | 
						|
 | 
						|
            // NOTE: we don't use Group_member::asActivity() since that record
 | 
						|
            // has not yet been created.
 | 
						|
 | 
						|
            $member = Profile::staticGet($user->id);
 | 
						|
 | 
						|
            $act = new Activity();
 | 
						|
            $act->id = TagURI::mint('join:%d:%d:%s',
 | 
						|
                                    $member->id,
 | 
						|
                                    $group->id,
 | 
						|
                                    common_date_iso8601(time()));
 | 
						|
 | 
						|
            $act->actor = ActivityObject::fromProfile($member);
 | 
						|
            $act->verb = ActivityVerb::JOIN;
 | 
						|
            $act->object = $oprofile->asActivityObject();
 | 
						|
 | 
						|
            $act->time = time();
 | 
						|
            $act->title = _m("Join");
 | 
						|
            // TRANS: Success message for subscribe to group attempt through OStatus.
 | 
						|
            // TRANS: %1$s is the member name, %2$s is the subscribed group's name.
 | 
						|
            $act->content = sprintf(_m('%1$s has joined group %2$s.'),
 | 
						|
                                    $member->getBestName(),
 | 
						|
                                    $oprofile->getBestName());
 | 
						|
 | 
						|
            if ($oprofile->notifyActivity($act, $member)) {
 | 
						|
                return true;
 | 
						|
            } else {
 | 
						|
                $oprofile->garbageCollect();
 | 
						|
                // TRANS: Exception.
 | 
						|
                throw new Exception(_m("Failed joining remote group."));
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * When one of our local users leaves a remote group, notify the remote
 | 
						|
     * server.
 | 
						|
     *
 | 
						|
     * @fixme Might be good to schedule a resend of the leave notification
 | 
						|
     * if it failed due to a transitory error. We've canceled the local
 | 
						|
     * membership already anyway, but if the remote server comes back up
 | 
						|
     * it'll be left with a stray membership record.
 | 
						|
     *
 | 
						|
     * @param User_group $group
 | 
						|
     * @param User $user
 | 
						|
     *
 | 
						|
     * @return mixed hook return value
 | 
						|
     */
 | 
						|
 | 
						|
    function onEndLeaveGroup($group, $user)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
 | 
						|
        if ($oprofile) {
 | 
						|
            // Drop the PuSH subscription if there are no other subscribers.
 | 
						|
            $oprofile->garbageCollect();
 | 
						|
 | 
						|
            $member = Profile::staticGet($user->id);
 | 
						|
 | 
						|
            $act = new Activity();
 | 
						|
            $act->id = TagURI::mint('leave:%d:%d:%s',
 | 
						|
                                    $member->id,
 | 
						|
                                    $group->id,
 | 
						|
                                    common_date_iso8601(time()));
 | 
						|
 | 
						|
            $act->actor = ActivityObject::fromProfile($member);
 | 
						|
            $act->verb = ActivityVerb::LEAVE;
 | 
						|
            $act->object = $oprofile->asActivityObject();
 | 
						|
 | 
						|
            $act->time = time();
 | 
						|
            $act->title = _m("Leave");
 | 
						|
            // TRANS: Success message for unsubscribe from group attempt through OStatus.
 | 
						|
            // TRANS: %1$s is the member name, %2$s is the unsubscribed group's name.
 | 
						|
            $act->content = sprintf(_m('%1$s has left group %2$s.'),
 | 
						|
                                    $member->getBestName(),
 | 
						|
                                    $oprofile->getBestName());
 | 
						|
 | 
						|
            $oprofile->notifyActivity($act, $member);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Notify remote users when their notices get favorited.
 | 
						|
     *
 | 
						|
     * @param Profile or User $profile of local user doing the faving
 | 
						|
     * @param Notice $notice being favored
 | 
						|
     * @return hook return value
 | 
						|
     */
 | 
						|
    function onEndFavorNotice(Profile $profile, Notice $notice)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $profile->id);
 | 
						|
 | 
						|
        if (empty($user)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $fav = Fave::pkeyGet(array('user_id' => $user->id,
 | 
						|
                                   'notice_id' => $notice->id));
 | 
						|
 | 
						|
        if (empty($fav)) {
 | 
						|
            // That's weird.
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $act = $fav->asActivity();
 | 
						|
 | 
						|
        $oprofile->notifyActivity($act, $profile);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Notify remote users when their notices get de-favorited.
 | 
						|
     *
 | 
						|
     * @param Profile $profile Profile person doing the de-faving
 | 
						|
     * @param Notice  $notice  Notice being favored
 | 
						|
     *
 | 
						|
     * @return hook return value
 | 
						|
     */
 | 
						|
 | 
						|
    function onEndDisfavorNotice(Profile $profile, Notice $notice)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $profile->id);
 | 
						|
 | 
						|
        if (empty($user)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $act = new Activity();
 | 
						|
 | 
						|
        $act->verb = ActivityVerb::UNFAVORITE;
 | 
						|
        $act->id   = TagURI::mint('disfavor:%d:%d:%s',
 | 
						|
                                  $profile->id,
 | 
						|
                                  $notice->id,
 | 
						|
                                  common_date_iso8601(time()));
 | 
						|
        $act->time    = time();
 | 
						|
        $act->title   = _m('Disfavor');
 | 
						|
        // TRANS: Success message for remove a favorite notice through OStatus.
 | 
						|
        // TRANS: %1$s is the unfavoring user's name, %2$s is URI to the no longer favored notice.
 | 
						|
        $act->content = sprintf(_m('%1$s marked notice %2$s as no longer a favorite.'),
 | 
						|
                               $profile->getBestName(),
 | 
						|
                               $notice->uri);
 | 
						|
 | 
						|
        $act->actor   = ActivityObject::fromProfile($profile);
 | 
						|
        $act->object  = ActivityObject::fromNotice($notice);
 | 
						|
 | 
						|
        $oprofile->notifyActivity($act, $profile);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartGetProfileUri($profile, &$uri)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
 | 
						|
        if (!empty($oprofile)) {
 | 
						|
            $uri = $oprofile->uri;
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartUserGroupHomeUrl($group, &$url)
 | 
						|
    {
 | 
						|
        return $this->onStartUserGroupPermalink($group, $url);
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartUserGroupPermalink($group, &$url)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
 | 
						|
        if ($oprofile) {
 | 
						|
            // @fixme this should probably be in the user_group table
 | 
						|
            // @fixme this uri not guaranteed to be a profile page
 | 
						|
            $url = $oprofile->uri;
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartShowSubscriptionsContent($action)
 | 
						|
    {
 | 
						|
        $this->showEntityRemoteSubscribe($action);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartShowUserGroupsContent($action)
 | 
						|
    {
 | 
						|
        $this->showEntityRemoteSubscribe($action, 'ostatusgroup');
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onEndShowSubscriptionsMiniList($action)
 | 
						|
    {
 | 
						|
        $this->showEntityRemoteSubscribe($action);
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onEndShowGroupsMiniList($action)
 | 
						|
    {
 | 
						|
        $this->showEntityRemoteSubscribe($action, 'ostatusgroup');
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function showEntityRemoteSubscribe($action, $target='ostatussub')
 | 
						|
    {
 | 
						|
        $user = common_current_user();
 | 
						|
        if ($user && ($user->id == $action->profile->id)) {
 | 
						|
            $action->elementStart('div', 'entity_actions');
 | 
						|
            $action->elementStart('p', array('id' => 'entity_remote_subscribe',
 | 
						|
                                             'class' => 'entity_subscribe'));
 | 
						|
            $action->element('a', array('href' => common_local_url($target),
 | 
						|
                                        'class' => 'entity_remote_subscribe'),
 | 
						|
                                // TRANS: Link text for link to remote subscribe.
 | 
						|
                                _m('Remote'));
 | 
						|
            $action->elementEnd('p');
 | 
						|
            $action->elementEnd('div');
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Ping remote profiles with updates to this profile.
 | 
						|
     * Salmon pings are queued for background processing.
 | 
						|
     */
 | 
						|
    function onEndBroadcastProfile(Profile $profile)
 | 
						|
    {
 | 
						|
        $user = User::staticGet('id', $profile->id);
 | 
						|
 | 
						|
        // Find foreign accounts I'm subscribed to that support Salmon pings.
 | 
						|
        //
 | 
						|
        // @fixme we could run updates through the PuSH feed too,
 | 
						|
        // in which case we can skip Salmon pings to folks who
 | 
						|
        // are also subscribed to me.
 | 
						|
        $sql = "SELECT * FROM ostatus_profile " .
 | 
						|
               "WHERE profile_id IN " .
 | 
						|
               "(SELECT subscribed FROM subscription WHERE subscriber=%d) " .
 | 
						|
               "OR group_id IN " .
 | 
						|
               "(SELECT group_id FROM group_member WHERE profile_id=%d)";
 | 
						|
        $oprofile = new Ostatus_profile();
 | 
						|
        $oprofile->query(sprintf($sql, $profile->id, $profile->id));
 | 
						|
 | 
						|
        if ($oprofile->N == 0) {
 | 
						|
            common_log(LOG_DEBUG, "No OStatus remote subscribees for $profile->nickname");
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $act = new Activity();
 | 
						|
 | 
						|
        $act->verb = ActivityVerb::UPDATE_PROFILE;
 | 
						|
        $act->id   = TagURI::mint('update-profile:%d:%s',
 | 
						|
                                  $profile->id,
 | 
						|
                                  common_date_iso8601(time()));
 | 
						|
        $act->time    = time();
 | 
						|
        // TRANS: Title for activity.
 | 
						|
        $act->title   = _m("Profile update");
 | 
						|
        // TRANS: Ping text for remote profile update through OStatus.
 | 
						|
        // TRANS: %s is user that updated their profile.
 | 
						|
        $act->content = sprintf(_m("%s has updated their profile page."),
 | 
						|
                               $profile->getBestName());
 | 
						|
 | 
						|
        $act->actor   = ActivityObject::fromProfile($profile);
 | 
						|
        $act->object  = $act->actor;
 | 
						|
 | 
						|
        while ($oprofile->fetch()) {
 | 
						|
            $oprofile->notifyDeferred($act, $profile);
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartProfileListItemActionElements($item)
 | 
						|
    {
 | 
						|
        if (!common_logged_in()) {
 | 
						|
 | 
						|
            $profileUser = User::staticGet('id', $item->profile->id);
 | 
						|
 | 
						|
            if (!empty($profileUser)) {
 | 
						|
 | 
						|
                $output = $item->out;
 | 
						|
 | 
						|
                // Add an OStatus subscribe
 | 
						|
                $output->elementStart('li', 'entity_subscribe');
 | 
						|
                $url = common_local_url('ostatusinit',
 | 
						|
                                        array('nickname' => $profileUser->nickname));
 | 
						|
                $output->element('a', array('href' => $url,
 | 
						|
                                            'class' => 'entity_remote_subscribe'),
 | 
						|
                                  // TRANS: Link text for a user to subscribe to an OStatus user.
 | 
						|
                                 _m('Subscribe'));
 | 
						|
                $output->elementEnd('li');
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    function onPluginVersion(&$versions)
 | 
						|
    {
 | 
						|
        $versions[] = array('name' => 'OStatus',
 | 
						|
                            'version' => STATUSNET_VERSION,
 | 
						|
                            'author' => 'Evan Prodromou, James Walker, Brion Vibber, Zach Copley',
 | 
						|
                            'homepage' => 'http://status.net/wiki/Plugin:OStatus',
 | 
						|
                            // TRANS: Plugin description.
 | 
						|
                            'rawdescription' => _m('Follow people across social networks that implement '.
 | 
						|
                               '<a href="http://ostatus.org/">OStatus</a>.'));
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Utility function to check if the given URI is a canonical group profile
 | 
						|
     * page, and if so return the ID number.
 | 
						|
     *
 | 
						|
     * @param string $url
 | 
						|
     * @return mixed int or false
 | 
						|
     */
 | 
						|
    public static function localGroupFromUrl($url)
 | 
						|
    {
 | 
						|
        $group = User_group::staticGet('uri', $url);
 | 
						|
        if ($group) {
 | 
						|
            $local = Local_group::staticGet('group_id', $group->id);
 | 
						|
            if ($local) {
 | 
						|
                return $group->id;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            // To find local groups which haven't had their uri fields filled out...
 | 
						|
            // If the domain has changed since a subscriber got the URI, it'll
 | 
						|
            // be broken.
 | 
						|
            $template = common_local_url('groupbyid', array('id' => '31337'));
 | 
						|
            $template = preg_quote($template, '/');
 | 
						|
            $template = str_replace('31337', '(\d+)', $template);
 | 
						|
            if (preg_match("/$template/", $url, $matches)) {
 | 
						|
                return intval($matches[1]);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    public function onStartProfileGetAtomFeed($profile, &$feed)
 | 
						|
    {
 | 
						|
        $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
 | 
						|
 | 
						|
        if (empty($oprofile)) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $feed = $oprofile->feeduri;
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    function onStartGetProfileFromURI($uri, &$profile) {
 | 
						|
 | 
						|
        // XXX: do discovery here instead (OStatus_profile::ensureProfileURI($uri))
 | 
						|
 | 
						|
        $oprofile = Ostatus_profile::staticGet('uri', $uri);
 | 
						|
 | 
						|
        if (!empty($oprofile) && !$oprofile->isGroup()) {
 | 
						|
            $profile = $oprofile->localProfile();
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
}
 |