| New file |
|---|
| 0,0 → 1,68 |
|---|
| <?php |
| |
| require_once 'Services/Yadis/XRDS.php'; |
| require_once 'Services/Yadis/XRI.php'; |
| |
| class Services_Yadis_ProxyResolver { |
| function Services_Yadis_ProxyResolver(&$fetcher, $proxy_url = null) |
| { |
| $this->fetcher =& $fetcher; |
| $this->proxy_url = $proxy_url; |
| if (!$this->proxy_url) { |
| $this->proxy_url = Services_Yadis_getDefaultProxy(); |
| } |
| } |
| |
| function queryURL($xri, $service_type = null) |
| { |
| // trim off the xri:// prefix |
| $qxri = substr(Services_Yadis_toURINormal($xri), 6); |
| $hxri = $this->proxy_url . $qxri; |
| $args = array( |
| '_xrd_r' => 'application/xrds+xml' |
| ); |
| |
| if ($service_type) { |
| $args['_xrd_t'] = $service_type; |
| } else { |
| // Don't perform service endpoint selection. |
| $args['_xrd_r'] .= ';sep=false'; |
| } |
| |
| $query = Services_Yadis_XRIAppendArgs($hxri, $args); |
| return $query; |
| } |
| |
| function query($xri, $service_types, $filters = array()) |
| { |
| $services = array(); |
| $canonicalID = null; |
| foreach ($service_types as $service_type) { |
| $url = $this->queryURL($xri, $service_type); |
| $response = $this->fetcher->get($url); |
| if ($response->status != 200) { |
| continue; |
| } |
| $xrds = Services_Yadis_XRDS::parseXRDS($response->body); |
| if (!$xrds) { |
| continue; |
| } |
| $canonicalID = Services_Yadis_getCanonicalID($xri, |
| $xrds); |
| |
| if ($canonicalID === false) { |
| return null; |
| } |
| |
| $some_services = $xrds->services($filters); |
| $services = array_merge($services, $some_services); |
| // TODO: |
| // * If we do get hits for multiple service_types, we're |
| // almost certainly going to have duplicated service |
| // entries and broken priority ordering. |
| } |
| return array($canonicalID, $services); |
| } |
| } |
| |
| ?> |