]> git.mxchange.org Git - friendica.git/blob - src/Worker/PubSubPublish.php
Merge pull request #8261 from MrPetovan/task/8251-use-about-for-pdesc
[friendica.git] / src / Worker / PubSubPublish.php
1 <?php
2 /**
3  * @copyright Copyright (C) 2020, Friendica
4  *
5  * @license GNU AGPL version 3 or any later version
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU Affero General Public License as
9  * published by the Free Software Foundation, either version 3 of the
10  * License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU Affero General Public License for more details.
16  *
17  * You should have received a copy of the GNU Affero General Public License
18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19  *
20  */
21
22 namespace Friendica\Worker;
23
24 use Friendica\Core\Logger;
25 use Friendica\Database\DBA;
26 use Friendica\DI;
27 use Friendica\Model\PushSubscriber;
28 use Friendica\Protocol\OStatus;
29 use Friendica\Util\Network;
30
31 class PubSubPublish
32 {
33         public static function execute($pubsubpublish_id = 0)
34         {
35                 if ($pubsubpublish_id == 0) {
36                         return;
37                 }
38
39                 self::publish($pubsubpublish_id);
40         }
41
42         private static function publish($id)
43         {
44                 $subscriber = DBA::selectFirst('push_subscriber', [], ['id' => $id]);
45                 if (!DBA::isResult($subscriber)) {
46                         return;
47                 }
48
49                 /// @todo Check server status with GServer::check()
50                 // Before this can be done we need a way to safely detect the server url.
51
52                 Logger::log("Generate feed of user " . $subscriber['nickname']. " to " . $subscriber['callback_url']. " - last updated " . $subscriber['last_update'], Logger::DEBUG);
53
54                 $last_update = $subscriber['last_update'];
55                 $params = OStatus::feed($subscriber['nickname'], $last_update);
56
57                 if (!$params) {
58                         return;
59                 }
60
61                 $hmac_sig = hash_hmac("sha1", $params, $subscriber['secret']);
62
63                 $headers = ["Content-type: application/atom+xml",
64                                 sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
65                                         DI::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
66                                         $subscriber['topic']),
67                                 "X-Hub-Signature: sha1=" . $hmac_sig];
68
69                 Logger::log('POST ' . print_r($headers, true) . "\n" . $params, Logger::DATA);
70
71                 $postResult = Network::post($subscriber['callback_url'], $params, $headers);
72                 $ret = $postResult->getReturnCode();
73
74                 if ($ret >= 200 && $ret <= 299) {
75                         Logger::log('Successfully pushed to ' . $subscriber['callback_url']);
76
77                         PushSubscriber::reset($subscriber['id'], $last_update);
78                 } else {
79                         Logger::log('Delivery error when pushing to ' . $subscriber['callback_url'] . ' HTTP: ' . $ret);
80
81                         PushSubscriber::delay($subscriber['id']);
82                 }
83         }
84 }