friendica/src/Worker/PubSubPublish.php
2020-07-21 03:02:51 -04:00

83 lines
2.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Worker;
use Friendica\Core\Logger;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\PushSubscriber;
use Friendica\Protocol\OStatus;
class PubSubPublish
{
public static function execute($pubsubpublish_id = 0)
{
if ($pubsubpublish_id == 0) {
return;
}
self::publish($pubsubpublish_id);
}
private static function publish($id)
{
$subscriber = DBA::selectFirst('push_subscriber', [], ['id' => $id]);
if (!DBA::isResult($subscriber)) {
return;
}
/// @todo Check server status with GServer::check()
// Before this can be done we need a way to safely detect the server url.
Logger::log("Generate feed of user " . $subscriber['nickname']. " to " . $subscriber['callback_url']. " - last updated " . $subscriber['last_update'], Logger::DEBUG);
$last_update = $subscriber['last_update'];
$params = OStatus::feed($subscriber['nickname'], $last_update);
if (!$params) {
return;
}
$hmac_sig = hash_hmac("sha1", $params, $subscriber['secret']);
$headers = ["Content-type: application/atom+xml",
sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
DI::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
$subscriber['topic']),
"X-Hub-Signature: sha1=" . $hmac_sig];
Logger::log('POST ' . print_r($headers, true) . "\n" . $params, Logger::DATA);
$postResult = DI::httpRequest()->post($subscriber['callback_url'], $params, $headers);
$ret = $postResult->getReturnCode();
if ($ret >= 200 && $ret <= 299) {
Logger::log('Successfully pushed to ' . $subscriber['callback_url']);
PushSubscriber::reset($subscriber['id'], $last_update);
} else {
Logger::log('Delivery error when pushing to ' . $subscriber['callback_url'] . ' HTTP: ' . $ret);
PushSubscriber::delay($subscriber['id']);
}
}
}