Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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76 lignes
2.1 KiB

<?php
use Friendica\Core\Config;
require_once('include/items.php');
require_once('include/ostatus.php');
function pubsubpublish_run(&$argv, &$argc){
if ($argc > 1) {
$pubsubpublish_id = intval($argv[1]);
} else {
// We'll push to each subscriber that has push > 0,
// i.e. there has been an update (set in notifier.php).
$r = q("SELECT `id`, `callback_url` FROM `push_subscriber` WHERE `push` > 0");
foreach ($r as $rr) {
logger("Publish feed to ".$rr["callback_url"], LOGGER_DEBUG);
proc_run(PRIORITY_HIGH, 'include/pubsubpublish.php', $rr["id"]);
}
}
handle_pubsubhubbub($pubsubpublish_id);
return;
}
function handle_pubsubhubbub($id) {
global $a;
$r = q("SELECT * FROM `push_subscriber` WHERE `id` = %d", intval($id));
if (!$r)
return;
else
$rr = $r[0];
logger("Generate feed of user ".$rr['nickname']." to ".$rr['callback_url']." - last updated ".$rr['last_update'], LOGGER_DEBUG);
$params = ostatus::feed($a, $rr['nickname'], $rr['last_update']);
$hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
$headers = array("Content-type: application/atom+xml",
sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
App::get_baseurl().'/pubsubhubbub',
$rr['topic']),
"X-Hub-Signature: sha1=".$hmac_sig);
logger('POST '.print_r($headers, true)."\n".$params, LOGGER_DEBUG);
post_url($rr['callback_url'], $params, $headers);
$ret = $a->get_curl_code();
if ($ret >= 200 && $ret <= 299) {
logger('successfully pushed to '.$rr['callback_url']);
// set last_update to "now", and reset push=0
$date_now = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
dbesc($date_now),
intval($rr['id']));
} else {
logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
// we use the push variable also as a counter, if we failed we
// increment this until some upper limit where we give up
$new_push = intval($rr['push']) + 1;
if ($new_push > 30) // OK, let's give up
$new_push = 0;
q("UPDATE `push_subscriber` SET `push` = %d WHERE id = %d",
$new_push,
intval($rr['id']));
}
}