almasvareh/app/Http/Controllers/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Providers\RouteServiceProvider;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    public const PANEL = '/panel';

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
     protected $redirectTo = self::PANEL;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    /**
     * Get the login username to be used by the controller.
     *
     * @return string
     */
    public function username()
    {
        return 'username';
    }

    /**
     * Validate the user login request.
     *
     * @param Request $request
     * @return void
     *
     */
    protected function validateLogin(Request $request)
    {
        $request->validate([
            $this->username() => ['required', 'string'],
            'password' => ['required', 'string'],
            'g-recaptcha-response' => ['required', 'cutlet_recaptcha']
        ]);
    }
}