react-logo/backend/src/Controller/SecurityController.php

<?php
namespace App\Controller;

use App\Http\DataResponse;
use App\Http\ErrorResponse;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Annotation\Route;

class SecurityController extends Controller
{
    /**
     * @Route("/api/v1/login", name="api_v1_login", methods={"POST"})
     */
    public function login()
    {
        $user = $this->getUser();

        if ($user == null) {
            return new ErrorResponse(
                0,
                "Identifiants invalides",
                null,
                401,
            );
        }

        return new DataResponse([
            'username' => $user->getUsername(),
            'roles' => $user->getRoles(),
        ]);
    }
}