]> git.mxchange.org Git - friendica.git/blob - include/pubsubpublish.php
Merge remote-tracking branch 'refs/remotes/friendica/develop' into develop
[friendica.git] / include / pubsubpublish.php
1 <?php
2 use \Friendica\Core\Config;
3
4 require_once('include/items.php');
5 require_once('include/ostatus.php');
6
7 function pubsubpublish_run(&$argv, &$argc){
8
9         if ($argc > 1) {
10                 $pubsubpublish_id = intval($argv[1]);
11         } else {
12                 // We'll push to each subscriber that has push > 0,
13                 // i.e. there has been an update (set in notifier.php).
14                 $r = q("SELECT `id`, `callback_url` FROM `push_subscriber` WHERE `push` > 0");
15
16                 foreach ($r as $rr) {
17                         logger("Publish feed to ".$rr["callback_url"], LOGGER_DEBUG);
18                         proc_run(PRIORITY_HIGH, 'include/pubsubpublish.php', $rr["id"]);
19                 }
20         }
21
22         handle_pubsubhubbub($pubsubpublish_id);
23
24         return;
25 }
26
27 function handle_pubsubhubbub($id) {
28         global $a;
29
30         $r = q("SELECT * FROM `push_subscriber` WHERE `id` = %d", intval($id));
31         if (!$r)
32                 return;
33         else
34                 $rr = $r[0];
35
36         logger("Generate feed of user ".$rr['nickname']." to ".$rr['callback_url']." - last updated ".$rr['last_update'], LOGGER_DEBUG);
37
38         $params = ostatus::feed($a, $rr['nickname'], $rr['last_update']);
39         $hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
40
41         $headers = array("Content-type: application/atom+xml",
42                         sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
43                                 App::get_baseurl().'/pubsubhubbub',
44                                 $rr['topic']),
45                         "X-Hub-Signature: sha1=".$hmac_sig);
46
47         logger('POST '.print_r($headers, true)."\n".$params, LOGGER_DEBUG);
48
49         post_url($rr['callback_url'], $params, $headers);
50         $ret = $a->get_curl_code();
51
52         if ($ret >= 200 && $ret <= 299) {
53                 logger('successfully pushed to '.$rr['callback_url']);
54
55                 // set last_update to "now", and reset push=0
56                 $date_now = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
57                 q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
58                         dbesc($date_now),
59                         intval($rr['id']));
60
61         } else {
62                 logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
63
64                 // we use the push variable also as a counter, if we failed we
65                 // increment this until some upper limit where we give up
66                 $new_push = intval($rr['push']) + 1;
67
68                 if ($new_push > 30) // OK, let's give up
69                         $new_push = 0;
70
71                 q("UPDATE `push_subscriber` SET `push` = %d WHERE id = %d",
72                         $new_push,
73                         intval($rr['id']));
74         }
75 }