/**
* Check domain support
*
* Checks if the given domain supports BrowserID/Persona and offers a support document.
*
* @access public
* @static
* @param string $domain The name of the domain
* @param array $delegates A list of already seen domains while delegating
* @return array @see Primary::getWellKnown() or null if not supported
*/
public static function checkSupport($domain, $delegates = null)
{
// Delegates will be populatd via recursion to detect cycles
if (!is_array($delegates)) {
$delegates = array();
}
/*
if (config.get('disable_primary_support')) {
return process.nextTick(function() { cb(null, false); });
}
*/
if (!is_string($domain) || strlen($domain) == 0) {
throw new \Exception("invalid domain");
}
$result = Primary::getWellKnown($domain, $delegates);
if (!$result["body"]) {
return null;
}
try {
return Primary::parseWellKnownBody($result["body"], $result["domain"], $result["delegates"]);
} catch (Exception $e) {
throw new \Exception($domain . ' is a broken browserid primary, malformed dec of support: ' . $e->getMessage());
}
}
