4 use Friendica\Core\System;
5 use Friendica\Core\Config;
6 use Friendica\Core\Worker;
8 require_once('include/items.php');
9 require_once('include/ostatus.php');
11 function pubsubpublish_run(&$argv, &$argc){
15 $pubsubpublish_id = intval($argv[1]);
17 // We'll push to each subscriber that has push > 0,
18 // i.e. there has been an update (set in notifier.php).
19 $r = q("SELECT `id`, `callback_url` FROM `push_subscriber` WHERE `push` > 0 ORDER BY `last_update` DESC");
22 logger("Publish feed to ".$rr["callback_url"], LOGGER_DEBUG);
23 Worker::add(array('priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true),
24 'pubsubpublish', (int)$rr["id"]);
28 handle_pubsubhubbub($pubsubpublish_id);
33 function handle_pubsubhubbub($id) {
36 $r = q("SELECT * FROM `push_subscriber` WHERE `id` = %d", intval($id));
37 if (!dbm::is_result($r)) {
43 /// @todo Check server status with poco_check_server()
44 // Before this can be done we need a way to safely detect the server url.
46 logger("Generate feed of user ".$rr['nickname']." to ".$rr['callback_url']." - last updated ".$rr['last_update'], LOGGER_DEBUG);
48 $last_update = $rr['last_update'];
49 $params = ostatus::feed($a, $rr['nickname'], $last_update);
55 $hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
57 $headers = array("Content-type: application/atom+xml",
58 sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
59 System::baseUrl().'/pubsubhubbub/'.$rr['nickname'],
61 "X-Hub-Signature: sha1=".$hmac_sig);
63 logger('POST '.print_r($headers, true)."\n".$params, LOGGER_DEBUG);
65 post_url($rr['callback_url'], $params, $headers);
66 $ret = $a->get_curl_code();
68 if ($ret >= 200 && $ret <= 299) {
69 logger('successfully pushed to '.$rr['callback_url']);
71 // set last_update to the "created" date of the last item, and reset push=0
72 q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
77 logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
79 // we use the push variable also as a counter, if we failed we
80 // increment this until some upper limit where we give up
81 $new_push = intval($rr['push']) + 1;
83 if ($new_push > 30) // OK, let's give up
86 q("UPDATE `push_subscriber` SET `push` = %d WHERE id = %d",