4 use Friendica\Core\System;
5 use Friendica\Core\Config;
6 use Friendica\Core\Worker;
7 use Friendica\Database\DBM;
9 require_once('include/items.php');
10 require_once('include/ostatus.php');
12 function pubsubpublish_run(&$argv, &$argc){
16 $pubsubpublish_id = intval($argv[1]);
18 // We'll push to each subscriber that has push > 0,
19 // i.e. there has been an update (set in notifier.php).
20 $r = q("SELECT `id`, `callback_url` FROM `push_subscriber` WHERE `push` > 0 ORDER BY `last_update` DESC");
23 logger("Publish feed to ".$rr["callback_url"], LOGGER_DEBUG);
24 Worker::add(array('priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true),
25 'pubsubpublish', (int)$rr["id"]);
29 handle_pubsubhubbub($pubsubpublish_id);
34 function handle_pubsubhubbub($id) {
37 $r = q("SELECT * FROM `push_subscriber` WHERE `id` = %d", intval($id));
38 if (!DBM::is_result($r)) {
44 /// @todo Check server status with PortableContact::checkServer()
45 // Before this can be done we need a way to safely detect the server url.
47 logger("Generate feed of user ".$rr['nickname']." to ".$rr['callback_url']." - last updated ".$rr['last_update'], LOGGER_DEBUG);
49 $last_update = $rr['last_update'];
50 $params = ostatus::feed($a, $rr['nickname'], $last_update);
56 $hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
58 $headers = array("Content-type: application/atom+xml",
59 sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
60 System::baseUrl().'/pubsubhubbub/'.$rr['nickname'],
62 "X-Hub-Signature: sha1=".$hmac_sig);
64 logger('POST '.print_r($headers, true)."\n".$params, LOGGER_DEBUG);
66 post_url($rr['callback_url'], $params, $headers);
67 $ret = $a->get_curl_code();
69 if ($ret >= 200 && $ret <= 299) {
70 logger('successfully pushed to '.$rr['callback_url']);
72 // set last_update to the "created" date of the last item, and reset push=0
73 q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
78 logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
80 // we use the push variable also as a counter, if we failed we
81 // increment this until some upper limit where we give up
82 $new_push = intval($rr['push']) + 1;
84 if ($new_push > 30) // OK, let's give up
87 q("UPDATE `push_subscriber` SET `push` = %d WHERE id = %d",