private function getConnectorUrl() {
		$url  = ((isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')? 'https://' : 'http://')
		       . $_SERVER['SERVER_NAME']                                              // host
		      . ($_SERVER['SERVER_PORT'] == 80 ? '' : ':' . $_SERVER['SERVER_PORT'])  // port
		       . $_SERVER['REQUEST_URI'];                                             // path & query
		list($url) = explode('?', $url);
		return $url;
	}