fetcher = $fetcher; $this->proxy_url = $proxy_url; if (!$this->proxy_url) { $this->proxy_url = Auth_Yadis_getDefaultProxy(); } } function queryURL($xri, $service_type = null) { // trim off the xri:// prefix $qxri = substr(Auth_Yadis_toURINormal($xri), 6); $hxri = $this->proxy_url . $qxri; $args = [ '_xrd_r' => 'application/xrds+xml', ]; if ($service_type) { $args['_xrd_t'] = $service_type; } else { // Don't perform service endpoint selection. $args['_xrd_r'] .= ';sep=false'; } $query = Auth_Yadis_XRIAppendArgs($hxri, $args); return $query; } function query($xri, $service_types, $filters = []) { $services = []; $canonicalID = null; foreach ($service_types as $service_type) { $url = $this->queryURL($xri, $service_type); $response = $this->fetcher->get($url); if ($response->status != 200 and $response->status != 206) { continue; } $xrds = Auth_Yadis_XRDS::parseXRDS($response->body); if (!$xrds) { continue; } $canonicalID = Auth_Yadis_getCanonicalID($xri, $xrds); if ($canonicalID === false) { return null; } $some_services = $xrds->services($filters); $services = array_merge($services, $some_services); // TODO: // * If we do get hits for multiple service_types, we're // almost certainly going to have duplicated service // entries and broken priority ordering. } return [$canonicalID, $services]; } }