forked from GNUsocial/gnu-social
740 lines
23 KiB
PHP
740 lines
23 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') && !defined('LACONICA')) { exit(1); }
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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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}
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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' => 'xrd'));
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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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// 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('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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$transports[] = 'ostatus';
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return true;
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}
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/**
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* Add a link header for LRDD Discovery
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*/
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function onStartShowHTML($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('xrd');
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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($salmon, array('rel' => Salmon::NS_REPLIES));
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$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' => $url,
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'class' => 'entity_remote_subscribe'),
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_m('Subscribe'));
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$output->elementEnd('li');
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}
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return false;
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}
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/**
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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($notice)
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{
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}
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/**
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*
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*/
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function onEndFindMentions($sender, $text, &$mentions)
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{
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preg_match_all('/(?:^|\s+)@((?:\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 $wmatch) {
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$webfinger = $wmatch[0];
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$this->log(LOG_INFO, "Checking Webfinger for address '$webfinger'");
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$oprofile = Ostatus_profile::ensureWebfinger($webfinger);
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if (empty($oprofile)) {
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$this->log(LOG_INFO, "No Ostatus_profile found for address '$webfinger'");
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} else {
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$this->log(LOG_INFO, "Ostatus_profile found for address '$webfinger'");
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if ($oprofile->isGroup()) {
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continue;
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}
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$profile = $oprofile->localProfile();
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$pos = $wmatch[1];
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foreach ($mentions as $i => $other) {
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// If we share a common prefix with a local user, override it!
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if ($other['position'] == $pos) {
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unset($mentions[$i]);
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}
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}
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$mentions[] = array('mentioned' => array($profile),
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'text' => $wmatch[0],
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'position' => $pos,
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'url' => $profile->profileurl);
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}
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}
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return true;
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}
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/**
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* Make sure necessary tables are filled out.
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*/
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function onCheckSchema() {
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$schema = Schema::get();
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$schema->ensureTable('ostatus_profile', Ostatus_profile::schemaDef());
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$schema->ensureTable('ostatus_source', Ostatus_source::schemaDef());
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$schema->ensureTable('feedsub', FeedSub::schemaDef());
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$schema->ensureTable('hubsub', HubSub::schemaDef());
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$schema->ensureTable('magicsig', Magicsig::schemaDef());
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return true;
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}
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function onEndShowStatusNetStyles($action) {
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$action->cssLink(common_path('plugins/OStatus/theme/base/css/ostatus.css'));
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return true;
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}
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function onEndShowStatusNetScripts($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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* 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 ($notice->source == 'ostatus') {
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if ($notice->url) {
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$bits = parse_url($notice->url);
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$domain = $bits['host'];
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if (substr($domain, 0, 4) == 'www.') {
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$name = substr($domain, 4);
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} else {
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$name = $domain;
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}
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$url = $notice->url;
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$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, 'push');
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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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* When about to subscribe to a remote user, start a server-to-server
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* PuSH subscription if needed. If we can't establish that, abort.
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*
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* @fixme If something else aborts later, we could end up with a stray
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* PuSH subscription. This is relatively harmless, though.
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*
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* @param Profile $subscriber
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* @param Profile $other
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*
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* @return hook return code
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*
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* @throws Exception
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*/
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function onStartSubscribe($subscriber, $other)
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{
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$user = User::staticGet('id', $subscriber->id);
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if (empty($user)) {
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return true;
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}
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$oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
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if (empty($oprofile)) {
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return true;
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}
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if (!$oprofile->subscribe()) {
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throw new Exception(_m('Could not set up remote subscription.'));
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}
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}
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/**
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* Having established a remote subscription, send a notification to the
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* remote OStatus profile's endpoint.
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*
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* @param Profile $subscriber
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* @param Profile $other
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*
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* @return hook return code
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*
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* @throws Exception
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*/
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function onEndSubscribe($subscriber, $other)
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{
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$user = User::staticGet('id', $subscriber->id);
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if (empty($user)) {
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return true;
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}
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$oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
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if (empty($oprofile)) {
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return true;
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}
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$act = new Activity();
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$act->verb = ActivityVerb::FOLLOW;
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$act->id = TagURI::mint('follow:%d:%d:%s',
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$subscriber->id,
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$other->id,
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common_date_iso8601(time()));
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$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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$act->actor = ActivityObject::fromProfile($subscriber);
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$act->object = ActivityObject::fromProfile($other);
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$oprofile->notifyActivity($act, $subscriber);
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return true;
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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', $profile->id);
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if (empty($user)) {
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return true;
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}
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$oprofile = Ostatus_profile::staticGet('profile_id', $other->id);
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if (empty($oprofile)) {
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return true;
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}
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// Drop the PuSH subscription if there are no other subscribers.
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$oprofile->garbageCollect();
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$act = new Activity();
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$act->verb = ActivityVerb::UNFOLLOW;
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$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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$act->time = time();
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$act->title = _("Unfollow");
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$act->content = sprintf(_("%s stopped following %s."),
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$profile->getBestName(),
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$other->getBestName());
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$act->actor = ActivityObject::fromProfile($profile);
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$act->object = ActivityObject::fromProfile($other);
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$oprofile->notifyActivity($act, $profile);
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return true;
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}
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/**
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* When one of our local users tries to join a remote group,
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* notify the remote server. If the notification is rejected,
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* deny the join.
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*
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* @param User_group $group
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* @param User $user
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*
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* @return mixed hook return value
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*/
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function onStartJoinGroup($group, $user)
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{
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$oprofile = Ostatus_profile::staticGet('group_id', $group->id);
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if ($oprofile) {
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if (!$oprofile->subscribe()) {
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throw new Exception(_m('Could not set up remote group membership.'));
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}
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$member = Profile::staticGet($user->id);
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$act = new Activity();
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$act->id = TagURI::mint('join:%d:%d:%s',
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$member->id,
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$group->id,
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common_date_iso8601(time()));
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$act->actor = ActivityObject::fromProfile($member);
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$act->verb = ActivityVerb::JOIN;
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$act->object = $oprofile->asActivityObject();
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$act->time = time();
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$act->title = _m("Join");
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$act->content = sprintf(_m("%s has joined group %s."),
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$member->getBestName(),
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$oprofile->getBestName());
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if ($oprofile->notifyActivity($act, $member)) {
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return true;
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} else {
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$oprofile->garbageCollect();
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throw new Exception(_m("Failed joining remote group."));
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}
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}
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}
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/**
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* When one of our local users leaves a remote group, notify the remote
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* server.
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*
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* @fixme Might be good to schedule a resend of the leave notification
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* if it failed due to a transitory error. We've canceled the local
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* membership already anyway, but if the remote server comes back up
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* it'll be left with a stray membership record.
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*
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* @param User_group $group
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* @param User $user
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*
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* @return mixed hook return value
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*/
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function onEndLeaveGroup($group, $user)
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{
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$oprofile = Ostatus_profile::staticGet('group_id', $group->id);
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if ($oprofile) {
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// Drop the PuSH subscription if there are no other subscribers.
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$oprofile->garbageCollect();
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$member = Profile::staticGet($user->id);
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$act = new Activity();
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$act->id = TagURI::mint('leave:%d:%d:%s',
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$member->id,
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$group->id,
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common_date_iso8601(time()));
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$act->actor = ActivityObject::fromProfile($member);
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$act->verb = ActivityVerb::LEAVE;
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$act->object = $oprofile->asActivityObject();
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$act->time = time();
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$act->title = _m("Leave");
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$act->content = sprintf(_m("%s has left group %s."),
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$member->getBestName(),
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$oprofile->getBestName());
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$oprofile->notifyActivity($act, $member);
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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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function onEndFavorNotice(Profile $profile, Notice $notice)
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{
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$user = User::staticGet('id', $profile->id);
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if (empty($user)) {
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return true;
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}
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$oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
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if (empty($oprofile)) {
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return true;
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}
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$act = new Activity();
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$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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$notice->id,
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common_date_iso8601(time()));
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$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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$act->actor = ActivityObject::fromProfile($profile);
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$act->object = ActivityObject::fromNotice($notice);
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$oprofile->notifyActivity($act, $profile);
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return true;
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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 $profile Profile person doing the de-faving
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* @param Notice $notice Notice being favored
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*
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* @return hook return value
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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', $profile->id);
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if (empty($user)) {
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return true;
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}
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$oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
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if (empty($oprofile)) {
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return true;
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}
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$act = new Activity();
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$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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$act->actor = ActivityObject::fromProfile($profile);
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$act->object = ActivityObject::fromNotice($notice);
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$oprofile->notifyActivity($act, $profile);
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return true;
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}
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function onStartGetProfileUri($profile, &$uri)
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{
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$oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
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if (!empty($oprofile)) {
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$uri = $oprofile->uri;
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return false;
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}
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return true;
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}
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function onStartUserGroupHomeUrl($group, &$url)
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{
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return $this->onStartUserGroupPermalink($group, $url);
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}
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function onStartUserGroupPermalink($group, &$url)
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{
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$oprofile = Ostatus_profile::staticGet('group_id', $group->id);
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if ($oprofile) {
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// @fixme this should probably be in the user_group table
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// @fixme this uri not guaranteed to be a profile page
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$url = $oprofile->uri;
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return false;
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}
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}
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function onStartShowSubscriptionsContent($action)
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{
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$user = common_current_user();
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if ($user && ($user->id == $action->profile->id)) {
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$action->elementStart('div', 'entity_actions');
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$action->elementStart('p', array('id' => 'entity_remote_subscribe',
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'class' => 'entity_subscribe'));
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$action->element('a', array('href' => common_local_url('ostatussub'),
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'class' => 'entity_remote_subscribe')
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, _m('Subscribe to remote user'));
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$action->elementEnd('p');
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$action->elementEnd('div');
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}
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return true;
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}
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/**
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* Ping remote profiles with updates to this profile.
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* Salmon pings are queued for background processing.
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*/
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function onEndBroadcastProfile(Profile $profile)
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{
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$user = User::staticGet('id', $profile->id);
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// Find foreign accounts I'm subscribed to that support Salmon pings.
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//
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// @fixme we could run updates through the PuSH feed too,
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// in which case we can skip Salmon pings to folks who
|
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// are also subscribed to me.
|
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$sql = "SELECT * FROM ostatus_profile " .
|
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"WHERE profile_id IN " .
|
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"(SELECT subscribed FROM subscription WHERE subscriber=%d) " .
|
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"OR group_id IN " .
|
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"(SELECT group_id FROM group_member WHERE profile_id=%d)";
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$oprofile = new Ostatus_profile();
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$oprofile->query(sprintf($sql, $profile->id, $profile->id));
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if ($oprofile->N == 0) {
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common_log(LOG_DEBUG, "No OStatus remote subscribees for $profile->nickname");
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return true;
|
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}
|
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|
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$act = new Activity();
|
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|
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$act->verb = ActivityVerb::UPDATE_PROFILE;
|
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$act->id = TagURI::mint('update-profile:%d:%s',
|
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$profile->id,
|
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common_date_iso8601(time()));
|
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$act->time = time();
|
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$act->title = _m("Profile update");
|
|
$act->content = sprintf(_m("%s has updated their profile page."),
|
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$profile->getBestName());
|
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|
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$act->actor = ActivityObject::fromProfile($profile);
|
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$act->object = $act->actor;
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|
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while ($oprofile->fetch()) {
|
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$oprofile->notifyDeferred($act, $profile);
|
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}
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return true;
|
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}
|
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}
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