course-site/app/Http/Middleware/Authenticate.php

<?php

/*
 * This file is part of the Jiannei/lumen-api-starter.
 *
 * (c) Jiannei <longjian.huang@foxmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace App\Http\Middleware;

use App\Repositories\Enums\ResponseCodeEnum;
use App\Repositories\Models\Log;
use Closure;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Contracts\Auth\Factory as Auth;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class Authenticate
{
    /**
     * The authentication guard factory instance.
     *
     * @var Auth
     */
    protected $auth;

    /**
     * Create a new middleware instance.
     *
     * @param Auth $auth
     */
    public function __construct(Auth $auth)
    {
        $this->auth = $auth;
    }

    /**
     * Handle an incoming request.
     *
     * @param Request $request
     * @param Closure $next
     * @param string|null $guard
     *
     * @return mixed
     *
     * @throws AuthorizationException
     */
    public function handle($request, Closure $next, $guard = null)
    {
        if ($this->auth->guard($guard)->guest()) {
            abort(ResponseCodeEnum::HTTP_UNAUTHORIZED);
        }

        return $next($request);
    }
}