RomhackPlaza/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Auth\XenForoGuard;
use App\Policies\TempFilePolicy;
use App\Services\TemporaryFileService;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        //
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {

        \Auth::extend('xenforo', function ($app, $name, array $config) {
            return new XenForoGuard($app['request']);
        });

        \Gate::policy(TemporaryFileService::class, TempFilePolicy::class );
    }
}