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