function _checkAuth($message, $server_url)
{
$request = $this->_createCheckAuthRequest($message);
if ($request === null) {
return false;
}
$resp_message = $this->_makeKVPost($request, $server_url);
if ($resp_message === null || is_a($resp_message, 'Auth_OpenID_ServerErrorContainer')) {
return false;
}
return $this->_processCheckAuthResponse($resp_message, $server_url);
}