3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2009, 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 FeedSubPlugin
22 * @maintainer Brion Vibber <brion@status.net>
25 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
27 class PushCallbackAction extends Action
31 StatusNet::setApi(true); // Minimize error messages to aid in debugging
33 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
41 * Handler for POST content updates from the hub
45 $feedid = $this->arg('feed');
46 common_log(LOG_INFO, "POST for feed id $feedid");
48 throw new ServerException(_m('Empty or invalid feed id.'), 400);
51 $feedsub = FeedSub::staticGet('id', $feedid);
53 // TRANS: Server exception. %s is a feed ID.
54 throw new ServerException(sprintf(_m('Unknown PuSH feed id %s'),$feedid), 400);
58 if (isset($_SERVER['HTTP_X_HUB_SIGNATURE'])) {
59 $hmac = $_SERVER['HTTP_X_HUB_SIGNATURE'];
62 $post = file_get_contents('php://input');
64 // Queue this to a background process; we should return
65 // as quickly as possible from a distribution POST.
66 // If queues are disabled this'll process immediately.
67 $data = array('feedsub_id' => $feedsub->id,
70 $qm = QueueManager::get();
71 $qm->enqueue($data, 'pushin');
75 * Handler for GET verification requests from the hub.
79 $mode = $this->arg('hub_mode');
80 $topic = $this->arg('hub_topic');
81 $challenge = $this->arg('hub_challenge');
82 $lease_seconds = $this->arg('hub_lease_seconds');
83 $verify_token = $this->arg('hub_verify_token');
85 if ($mode != 'subscribe' && $mode != 'unsubscribe') {
86 // TRANS: Client exception. %s is an invalid value for hub.mode.
87 throw new ClientException(sprintf(_m('Bad hub.mode "$s".',$mode)), 404);
90 $feedsub = FeedSub::staticGet('uri', $topic);
92 // TRANS: Client exception. %s is an invalid feed name.
93 throw new ClientException(sprintf(_m('Bad hub.topic feed "%s".'),$topic), 404);
96 if ($feedsub->verify_token !== $verify_token) {
97 // TRANS: Client exception. %1$s the invalid token, %2$s is the topic for which the invalid token was given.
98 throw new ClientException(sprintf(_m('Bad hub.verify_token %1$s for %2$s.'),$token,$topic), 404);
101 if ($mode == 'subscribe') {
102 // We may get re-sub requests legitimately.
103 if ($feedsub->sub_state != 'subscribe' && $feedsub->sub_state != 'active') {
104 // TRANS: Client exception. %s is an invalid topic.
105 throw new ClientException(sprintf(_m('Unexpected subscribe request for %s.'),$topic), 404);
108 if ($feedsub->sub_state != 'unsubscribe') {
109 // TRANS: Client exception. %s is an invalid topic.
110 throw new ClientException(sprintf(_m('Unexpected unsubscribe request for %s.'),$topic), 404);
114 if ($mode == 'subscribe') {
115 if ($feedsub->sub_state == 'active') {
116 common_log(LOG_INFO, __METHOD__ . ': sub update confirmed');
118 common_log(LOG_INFO, __METHOD__ . ': sub confirmed');
120 $feedsub->confirmSubscribe($lease_seconds);
122 common_log(LOG_INFO, __METHOD__ . ": unsub confirmed; deleting sub record for $topic");
123 $feedsub->confirmUnsubscribe();