ldc-crm/app/Http/Middleware/Authenticate.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Auth\Middleware\Authenticate as Middleware;
use Illuminate\Support\Facades\Session;

/**
 * Updated for ApiV2
 */
class Authenticate extends Middleware
{
    /**
     * Handle an incoming request.
     *
     * @param mixed    $request
     * @param \Closure $next
     * @param mixed    ...$guards
     * @return mixed
     *
     * @throws \Illuminate\Auth\AuthenticationException If authentification fails.
     */
    public function handle(mixed $request, Closure $next, mixed ...$guards)
    {
        // Use Laravel auth check mecanism.
        return \call_user_func_array(
            [$this, 'parent::' . __FUNCTION__],
            array_merge([$request, $next], $guards)
        );
    }
    /**
     * Get the path the user should be redirected to when they are not authenticated.
     *
     * @param  mixed $request
     * @return string|null
     * @codeCoverageIgnore
     */
    protected function redirectTo(mixed $request)
    {
        $logins = [
            'backend' => route('login')
        ];
        if (!$request->expectsJson()) {
            // * Notify must login
            Session::flash('warning', trans('Veuillez vous connecter pour continuer'));

            foreach ($request->route()->gatherMiddleware() as $middleware) {
                if (\is_string($middleware) and strpos($middleware, 'auth:') !== false) {
                    $route = $logins[str_replace('auth:', '', $middleware)] ?? null;
                    if ($route) {
                        return $route;
                    }
                }
            }
            return route('login');
        }
        abort(401);

        return null;
    }
}