142 lines
4.6 KiB
PHP
142 lines
4.6 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 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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* Send a PuSH subscription verification from our internal hub.
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* Queue up final distribution for
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* @package Hub
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* @author Brion Vibber <brion@status.net>
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*/
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class HubDistribQueueHandler extends QueueHandler
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{
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function transport()
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{
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return 'hubdistrib';
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}
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function handle($notice)
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{
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assert($notice instanceof Notice);
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$this->pushUser($notice);
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foreach ($notice->getGroups() as $group) {
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$this->pushGroup($notice, $group->group_id);
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}
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}
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function pushUser($notice)
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{
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// See if there's any PuSH subscriptions, including OStatus clients.
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// @fixme handle group subscriptions as well
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// http://identi.ca/api/statuses/user_timeline/1.atom
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$feed = common_local_url('ApiTimelineUser',
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array('id' => $notice->profile_id,
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'format' => 'atom'));
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$sub = new HubSub();
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$sub->topic = $feed;
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if ($sub->find()) {
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$atom = $this->userFeedForNotice($notice);
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$this->pushFeeds($atom, $sub);
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} else {
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common_log(LOG_INFO, "No PuSH subscribers for $feed");
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}
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}
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function pushGroup($notice, $group_id)
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{
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$feed = common_local_url('ApiTimelineGroup',
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array('id' => $group_id,
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'format' => 'atom'));
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$sub = new HubSub();
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$sub->topic = $feed;
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if ($sub->find()) {
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common_log(LOG_INFO, "Building PuSH feed for $feed");
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$atom = $this->groupFeedForNotice($group_id, $notice);
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$this->pushFeeds($atom, $sub);
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} else {
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common_log(LOG_INFO, "No PuSH subscribers for $feed");
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}
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}
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function pushFeeds($atom, $sub)
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{
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common_log(LOG_INFO, "Preparing $sub->N PuSH distribution(s) for $sub->topic");
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$qm = QueueManager::get();
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while ($sub->fetch()) {
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common_log(LOG_INFO, "Prepping PuSH distribution to $sub->callback for $sub->topic");
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$data = array('sub' => clone($sub),
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'atom' => $atom);
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$qm->enqueue($data, 'hubout');
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}
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}
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/**
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* Build a single-item version of the sending user's Atom feed.
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* @param Notice $notice
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* @return string
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*/
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function userFeedForNotice($notice)
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{
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// @fixme this feels VERY hacky...
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// should probably be a cleaner way to do it
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ob_start();
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$api = new ApiTimelineUserAction();
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$api->prepare(array('id' => $notice->profile_id,
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'format' => 'atom',
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'max_id' => $notice->id,
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'since_id' => $notice->id - 1));
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$api->showTimeline();
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$feed = ob_get_clean();
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// ...and override the content-type back to something normal... eww!
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// hope there's no other headers that got set while we weren't looking.
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header('Content-Type: text/html; charset=utf-8');
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common_log(LOG_DEBUG, $feed);
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return $feed;
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}
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function groupFeedForNotice($group_id, $notice)
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{
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// @fixme this feels VERY hacky...
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// should probably be a cleaner way to do it
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ob_start();
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$api = new ApiTimelineGroupAction();
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$args = array('id' => $group_id,
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'format' => 'atom',
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'max_id' => $notice->id,
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'since_id' => $notice->id - 1);
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$api->prepare($args);
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$api->handle($args);
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$feed = ob_get_clean();
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// ...and override the content-type back to something normal... eww!
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// hope there's no other headers that got set while we weren't looking.
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header('Content-Type: text/html; charset=utf-8');
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common_log(LOG_DEBUG, $feed);
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return $feed;
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}
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}
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