Owl\Http\Controllers\AuthController::attempt PHP Метод

    public function attempt(AuthAttemptRequest $request)
    {
        $credentials = $request->only('username', 'password');
        if ($this->authService->attempt($credentials, $request->has('remember'))) {
            return \Redirect::to('/');
        } else {
            return \Redirect::back()->withErrors(array('warning' => 'ユーザ名又はパスワードが正しくありません'))->withInput();
        }
    }