App\Http\Controllers\OAuthController::authorizePost PHP Method

    public function authorizePost()
    {
        $params = Authorizer::getAuthCodeRequestParams();
        $params['user_id'] = Auth::user()->user_id;
        $redirectUri = '/';
        // If the user has allowed the client to access their data, redirect back to the client with an auth code.
        if (Request::has('approve')) {
            $redirectUri = Authorizer::issueAuthCode('user', $params['user_id'], $params);
        }
        // If the user has denied the client to access their data, redirect back to the client with an error message.
        if (Request::has('deny')) {
            $redirectUri = Authorizer::authCodeRequestDeniedRedirectUri();
        }
        return redirect($redirectUri);
    }