3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Worker;
24 use Friendica\Core\Logger;
25 use Friendica\Core\Worker;
26 use Friendica\Database\DBA;
28 use Friendica\Util\Strings;
30 class UpdateServerPeers
33 * Query the given server for their known peers
34 * @param string $gserver Server URL
36 public static function execute(string $url)
38 $ret = DI::httpRequest()->get($url . '/api/v1/instance/peers');
39 if (!$ret->isSuccess() || empty($ret->getBody())) {
40 Logger::info('Server is not reachable or does not offer the "peers" endpoint', ['url' => $url]);
44 $peers = json_decode($ret->getBody());
45 if (empty($peers) || !is_array($peers)) {
46 Logger::info('Server does not have any peers listed', ['url' => $url]);
50 Logger::info('Server peer update start', ['url' => $url]);
54 foreach ($peers as $peer) {
56 if (DBA::exists('gserver', ['nurl' => Strings::normaliseLink('http://' . $peer)])) {
57 // We already know this server
60 // This endpoint doesn't offer the schema. So we assume that it is HTTPS.
61 Worker::add(PRIORITY_LOW, 'UpdateGServer', 'https://' . $peer);
64 Logger::info('Server peer update ended', ['total' => $total, 'added' => $added, 'url' => $url]);