Aacotroneo\Saml2\Saml2User::getIntendedUrl PHP Method

    function getIntendedUrl()
    {
        $relayState = app('request')->input('RelayState');
        //just this request
        $url = app('Illuminate\\Contracts\\Routing\\UrlGenerator');
        if ($relayState && $url->full() != $relayState) {
            return $relayState;
        }
    }