3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2009-2010, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * @package OStatusPlugin
22 * @maintainer Brion Vibber <brion@status.net>
25 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
27 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/');
29 class FeedSubException extends Exception
33 class OStatusPlugin extends Plugin
36 * Hook for RouterInitialized event.
38 * @param Net_URL_Mapper $m path-to-action mapper
39 * @return boolean hook return
41 function onRouterInitialized($m)
44 $m->connect('.well-known/host-meta',
45 array('action' => 'hostmeta'));
46 $m->connect('main/webfinger',
47 array('action' => 'webfinger'));
48 $m->connect('main/ostatus',
49 array('action' => 'ostatusinit'));
50 $m->connect('main/ostatus?nickname=:nickname',
51 array('action' => 'ostatusinit'), array('nickname' => '[A-Za-z0-9_-]+'));
52 $m->connect('main/ostatussub',
53 array('action' => 'ostatussub'));
54 $m->connect('main/ostatussub',
55 array('action' => 'ostatussub'), array('feed' => '[A-Za-z0-9\.\/\:]+'));
58 $m->connect('main/push/hub', array('action' => 'pushhub'));
60 $m->connect('main/push/callback/:feed',
61 array('action' => 'pushcallback'),
62 array('feed' => '[0-9]+'));
65 $m->connect('main/salmon/user/:id',
66 array('action' => 'usersalmon'),
67 array('id' => '[0-9]+'));
68 $m->connect('main/salmon/group/:id',
69 array('action' => 'groupsalmon'),
70 array('id' => '[0-9]+'));
75 * Set up queue handlers for outgoing hub pushes
76 * @param QueueManager $qm
77 * @return boolean hook return
79 function onEndInitializeQueueManager(QueueManager $qm)
81 // Prepare outgoing distributions after notice save.
82 $qm->connect('ostatus', 'OStatusQueueHandler');
84 // Outgoing from our internal PuSH hub
85 $qm->connect('hubconf', 'HubConfQueueHandler');
86 $qm->connect('hubout', 'HubOutQueueHandler');
88 // Outgoing Salmon replies (when we don't need a return value)
89 $qm->connect('salmon', 'SalmonQueueHandler');
91 // Incoming from a foreign PuSH hub
92 $qm->connect('pushin', 'PushInQueueHandler');
97 * Put saved notices into the queue for pubsub distribution.
99 function onStartEnqueueNotice($notice, &$transports)
101 $transports[] = 'ostatus';
106 * Set up a PuSH hub link to our internal link for canonical timeline
107 * Atom feeds for users and groups.
109 function onStartApiAtom($feed)
113 if ($feed instanceof AtomUserNoticeFeed) {
114 $salmonAction = 'usersalmon';
115 $user = $feed->getUser();
117 $profile = $user->getProfile();
118 $feed->setActivitySubject($profile->asActivityNoun('subject'));
119 } else if ($feed instanceof AtomGroupNoticeFeed) {
120 $salmonAction = 'groupsalmon';
121 $group = $feed->getGroup();
123 $feed->setActivitySubject($group->asActivitySubject());
129 $hub = common_config('ostatus', 'hub');
131 // Updates will be handled through our internal PuSH hub.
132 $hub = common_local_url('pushhub');
134 $feed->addLink($hub, array('rel' => 'hub'));
136 // Also, we'll add in the salmon link
137 $salmon = common_local_url($salmonAction, array('id' => $id));
138 $feed->addLink($salmon, array('rel' => 'salmon'));
145 * Automatically load the actions and libraries used by the plugin
147 * @param Class $cls the class
149 * @return boolean hook return
152 function onAutoload($cls)
154 $base = dirname(__FILE__);
155 $lower = strtolower($cls);
156 $map = array('activityverb' => 'activity',
157 'activityobject' => 'activity',
158 'activityutils' => 'activity');
159 if (isset($map[$lower])) {
160 $lower = $map[$lower];
162 $files = array("$base/classes/$cls.php",
163 "$base/lib/$lower.php");
164 if (substr($lower, -6) == 'action') {
165 $files[] = "$base/actions/" . substr($lower, 0, -6) . ".php";
167 foreach ($files as $file) {
168 if (file_exists($file)) {
177 * Add in an OStatus subscribe button
179 function onStartProfileRemoteSubscribe($output, $profile)
181 $cur = common_current_user();
184 // Add an OStatus subscribe
185 $output->elementStart('li', 'entity_subscribe');
186 $url = common_local_url('ostatusinit',
187 array('nickname' => $profile->nickname));
188 $output->element('a', array('href' => $url,
189 'class' => 'entity_remote_subscribe'),
192 $output->elementEnd('li');
199 * Check if we've got remote replies to send via Salmon.
201 * @fixme push webfinger lookup & sending to a background queue
202 * @fixme also detect short-form name for remote subscribees where not ambiguous
205 function onEndNoticeSave($notice)
213 function onStartFindMentions($sender, $text, &$mentions)
215 preg_match_all('/(?:^|\s+)@((?:\w+\.)*\w+@(?:\w+\.)*\w+(?:\w+\-\w+)*\.\w+)/',
218 PREG_OFFSET_CAPTURE);
220 foreach ($wmatches[1] as $wmatch) {
222 $webfinger = $wmatch[0];
224 $this->log(LOG_INFO, "Checking Webfinger for address '$webfinger'");
226 $oprofile = Ostatus_profile::ensureWebfinger($webfinger);
228 if (empty($oprofile)) {
230 $this->log(LOG_INFO, "No Ostatus_profile found for address '$webfinger'");
234 $this->log(LOG_INFO, "Ostatus_profile found for address '$webfinger'");
236 $profile = $oprofile->localProfile();
238 $mentions[] = array('mentioned' => array($profile),
239 'text' => $wmatch[0],
240 'position' => $wmatch[1],
241 'url' => $profile->profileurl);
249 * Make sure necessary tables are filled out.
251 function onCheckSchema() {
252 $schema = Schema::get();
253 $schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
254 $schema->ensureTable('ostatus_source', Ostatus_source::schemaDef());
255 $schema->ensureTable('feedsub', FeedSub::schemaDef());
256 $schema->ensureTable('hubsub', HubSub::schemaDef());
257 $schema->ensureTable('magicsig', Magicsig::schemaDef());
261 function onEndShowStatusNetStyles($action) {
262 $action->cssLink(common_path('plugins/OStatus/theme/base/css/ostatus.css'));
266 function onEndShowStatusNetScripts($action) {
267 $action->script(common_path('plugins/OStatus/js/ostatus.js'));
272 * Override the "from ostatus" bit in notice lists to link to the
273 * original post and show the domain it came from.
275 * @param Notice in $notice
276 * @param string out &$name
277 * @param string out &$url
278 * @param string out &$title
279 * @return mixed hook return code
281 function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
283 if ($notice->source == 'ostatus') {
285 $bits = parse_url($notice->url);
286 $domain = $bits['host'];
287 if (substr($domain, 0, 4) == 'www.') {
288 $name = substr($domain, 4);
294 $title = sprintf(_m("Sent from %s via OStatus"), $domain);
301 * Send incoming PuSH feeds for OStatus endpoints in for processing.
303 * @param FeedSub $feedsub
304 * @param DOMDocument $feed
305 * @return mixed hook return code
307 function onStartFeedSubReceive($feedsub, $feed)
309 $oprofile = Ostatus_profile::staticGet('feeduri', $feedsub->uri);
311 $oprofile->processFeed($feed, 'push');
313 common_log(LOG_DEBUG, "No ostatus profile for incoming feed $feedsub->uri");
318 * When about to subscribe to a remote user, start a server-to-server
319 * PuSH subscription if needed. If we can't establish that, abort.
321 * @fixme If something else aborts later, we could end up with a stray
322 * PuSH subscription. This is relatively harmless, though.
324 * @param Profile $subscriber
325 * @param Profile $other
327 * @return hook return code
331 function onStartSubscribe($subscriber, $other)
333 $user = User::staticGet('id', $subscriber->id);
339 $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
341 if (empty($oprofile)) {
345 if (!$oprofile->subscribe()) {
346 throw new Exception(_m('Could not set up remote subscription.'));
351 * Having established a remote subscription, send a notification to the
352 * remote OStatus profile's endpoint.
354 * @param Profile $subscriber
355 * @param Profile $other
357 * @return hook return code
361 function onEndSubscribe($subscriber, $other)
363 $user = User::staticGet('id', $subscriber->id);
369 $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
371 if (empty($oprofile)) {
375 $act = new Activity();
377 $act->verb = ActivityVerb::FOLLOW;
379 $act->id = TagURI::mint('follow:%d:%d:%s',
382 common_date_iso8601(time()));
385 $act->title = _("Follow");
386 $act->content = sprintf(_("%s is now following %s."),
387 $subscriber->getBestName(),
388 $other->getBestName());
390 $act->actor = ActivityObject::fromProfile($subscriber);
391 $act->object = ActivityObject::fromProfile($other);
393 $oprofile->notifyActivity($act);
399 * Notify remote server and garbage collect unused feeds on unsubscribe.
400 * @fixme send these operations to background queues
403 * @param Profile $other
404 * @return hook return value
406 function onEndUnsubscribe($profile, $other)
408 $user = User::staticGet('id', $profile->id);
414 $oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
416 if (empty($oprofile)) {
420 // Drop the PuSH subscription if there are no other subscribers.
421 $oprofile->garbageCollect();
423 $act = new Activity();
425 $act->verb = ActivityVerb::UNFOLLOW;
427 $act->id = TagURI::mint('unfollow:%d:%d:%s',
430 common_date_iso8601(time()));
433 $act->title = _("Unfollow");
434 $act->content = sprintf(_("%s stopped following %s."),
435 $profile->getBestName(),
436 $other->getBestName());
438 $act->actor = ActivityObject::fromProfile($profile);
439 $act->object = ActivityObject::fromProfile($other);
441 $oprofile->notifyActivity($act);
447 * When one of our local users tries to join a remote group,
448 * notify the remote server. If the notification is rejected,
451 * @param User_group $group
454 * @return mixed hook return value
457 function onStartJoinGroup($group, $user)
459 $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
461 if (!$oprofile->subscribe()) {
462 throw new Exception(_m('Could not set up remote group membership.'));
465 $member = Profile::staticGet($user->id);
467 $act = new Activity();
468 $act->id = TagURI::mint('join:%d:%d:%s',
471 common_date_iso8601(time()));
473 $act->actor = ActivityObject::fromProfile($member);
474 $act->verb = ActivityVerb::JOIN;
475 $act->object = $oprofile->asActivityObject();
478 $act->title = _m("Join");
479 $act->content = sprintf(_m("%s has joined group %s."),
480 $member->getBestName(),
481 $oprofile->getBestName());
483 if ($oprofile->notifyActivity($act)) {
486 $oprofile->garbageCollect();
487 throw new Exception(_m("Failed joining remote group."));
493 * When one of our local users leaves a remote group, notify the remote
496 * @fixme Might be good to schedule a resend of the leave notification
497 * if it failed due to a transitory error. We've canceled the local
498 * membership already anyway, but if the remote server comes back up
499 * it'll be left with a stray membership record.
501 * @param User_group $group
504 * @return mixed hook return value
507 function onEndLeaveGroup($group, $user)
509 $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
511 // Drop the PuSH subscription if there are no other subscribers.
512 $oprofile->garbageCollect();
515 $member = Profile::staticGet($user->id);
517 $act = new Activity();
518 $act->id = TagURI::mint('leave:%d:%d:%s',
521 common_date_iso8601(time()));
523 $act->actor = ActivityObject::fromProfile($member);
524 $act->verb = ActivityVerb::LEAVE;
525 $act->object = $oprofile->asActivityObject();
528 $act->title = _m("Leave");
529 $act->content = sprintf(_m("%s has left group %s."),
530 $member->getBestName(),
531 $oprofile->getBestName());
533 $oprofile->notifyActivity($act);
538 * Notify remote users when their notices get favorited.
540 * @param Profile or User $profile of local user doing the faving
541 * @param Notice $notice being favored
542 * @return hook return value
545 function onEndFavorNotice(Profile $profile, Notice $notice)
547 $user = User::staticGet('id', $profile->id);
553 $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
555 if (empty($oprofile)) {
559 $act = new Activity();
561 $act->verb = ActivityVerb::FAVORITE;
562 $act->id = TagURI::mint('favor:%d:%d:%s',
565 common_date_iso8601(time()));
568 $act->title = _("Favor");
569 $act->content = sprintf(_("%s marked notice %s as a favorite."),
570 $profile->getBestName(),
573 $act->actor = ActivityObject::fromProfile($profile);
574 $act->object = ActivityObject::fromNotice($notice);
576 $oprofile->notifyActivity($act);
582 * Notify remote users when their notices get de-favorited.
584 * @param Profile $profile Profile person doing the de-faving
585 * @param Notice $notice Notice being favored
587 * @return hook return value
590 function onEndDisfavorNotice(Profile $profile, Notice $notice)
592 $user = User::staticGet('id', $profile->id);
598 $oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
600 if (empty($oprofile)) {
604 $act = new Activity();
606 $act->verb = ActivityVerb::UNFAVORITE;
607 $act->id = TagURI::mint('disfavor:%d:%d:%s',
610 common_date_iso8601(time()));
612 $act->title = _("Disfavor");
613 $act->content = sprintf(_("%s marked notice %s as no longer a favorite."),
614 $profile->getBestName(),
617 $act->actor = ActivityObject::fromProfile($profile);
618 $act->object = ActivityObject::fromNotice($notice);
620 $oprofile->notifyActivity($act);
625 function onStartGetProfileUri($profile, &$uri)
627 $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
628 if (!empty($oprofile)) {
629 $uri = $oprofile->uri;
635 function onStartUserGroupHomeUrl($group, &$url)
637 return $this->onStartUserGroupPermalink($group, &$url);
640 function onStartUserGroupPermalink($group, &$url)
642 $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
644 // @fixme this should probably be in the user_group table
645 // @fixme this uri not guaranteed to be a profile page
646 $url = $oprofile->uri;
651 function onStartShowSubscriptionsContent($action)
653 $user = common_current_user();
654 if ($user && ($user->id == $action->profile->id)) {
655 $action->elementStart('div', 'entity_actions');
656 $action->elementStart('p', array('id' => 'entity_remote_subscribe',
657 'class' => 'entity_subscribe'));
658 $action->element('a', array('href' => common_local_url('ostatussub'),
659 'class' => 'entity_remote_subscribe')
660 , _m('Subscribe to remote user'));
661 $action->elementEnd('p');
662 $action->elementEnd('div');
669 * Ping remote profiles with updates to this profile.
670 * Salmon pings are queued for background processing.
672 function onEndBroadcastProfile(Profile $profile)
674 $user = User::staticGet('id', $profile->id);
676 // Find foreign accounts I'm subscribed to that support Salmon pings.
678 // @fixme we could run updates through the PuSH feed too,
679 // in which case we can skip Salmon pings to folks who
680 // are also subscribed to me.
681 $sql = "SELECT * FROM ostatus_profile " .
682 "WHERE profile_id IN " .
683 "(SELECT subscribed FROM subscription WHERE subscriber=%d) " .
685 "(SELECT group_id FROM group_member WHERE profile_id=%d)";
686 $oprofile = new Ostatus_profile();
687 $oprofile->query(sprintf($sql, $profile->id, $profile->id));
689 if ($oprofile->N == 0) {
690 common_log(LOG_DEBUG, "No OStatus remote subscribees for $profile->nickname");
694 $act = new Activity();
696 $act->verb = ActivityVerb::UPDATE_PROFILE;
697 $act->id = TagURI::mint('update-profile:%d:%s',
699 common_date_iso8601(time()));
701 $act->title = _m("Profile update");
702 $act->content = sprintf(_m("%s has updated their profile page."),
703 $profile->getBestName());
705 $act->actor = ActivityObject::fromProfile($profile);
706 $act->object = $act->actor;
708 while ($oprofile->fetch()) {
709 $oprofile->notifyDeferred($act);