private function find_baseurls($services)
{
foreach ($services as &$service) {
$baseurl = $service['baseurl'];
$dnssrv = $service['dnssrv'];
$paths = array();
$dnsresults = dns_get_record($dnssrv, DNS_TXT);
foreach ($dnsresults as $dnsresult) {
if ($dnsresult['host'] != $dnssrv) {
continue;
}
foreach ($dnsresult['entries'] as $ent) {
if (preg_match('^path=(.+)', $ent, $match)) {
$paths[] = $match[1];
}
}
}
// as fallback try these default paths
$paths[] = '/.well-known/carddav';
$paths[] = '/';
$service['paths'] = $paths;
}
return $services;
}
public static function initClass()
{
self::$helper = new carddav_common('DISCOVERY: ');
}
}
carddav_discovery::initClass();
