ldc-gen-game-web/app/Http/Middleware/IsAdmin.php

<?php

namespace App\Http\Middleware;

use Closure;

class IsAdmin
{
    /**
     * Handle an incoming request.
     *
     * @param mixed    $request
     * @param \Closure $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        /** @var \App\Models\User|\App\Models\Customer|null $user */
        $user = auth('web')->user() ?? auth('customer')->user();
        if ($user and $user->isLocal()) {
            return $next($request);
        }
        abort(404);
    }
}