public function askKnownHosts()
{
$endpoint_url = $this['url'] . "fetch_known_hosts" . "?from=" . urlencode(studip_utf8encode($GLOBALS['LERNMARKTPLATZ_PREFERRED_URI'] ?: $GLOBALS['ABSOLUTE_URI_STUDIP'] . "plugins.php/lernmarktplatz/endpoints/"));
$output = @file_get_contents($endpoint_url);
if ($output) {
$output = studip_utf8decode(json_decode($output, true));
foreach ((array) $output['hosts'] as $host_data) {
$host = LernmarktplatzHost::findByPublic_key($host_data['public_key']);
if (!$host) {
$host = new LernmarktplatzHost();
$host['public_key'] = preg_replace("/\r/", "", $host_data['public_key']);
$host['url'] = $host_data['url'];
}
if ($host['last_updated'] < time() - 60 * 60 * 8) {
$host->fetchPublicKey();
}
$host->store();
}
}
}
