school-car/app/Http/Middleware/AuthenticateJwt.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\Support\Traits\LoginLimit;
use Closure;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;
use Tymon\JWTAuth\Exceptions\JWTException;
use Tymon\JWTAuth\Exceptions\TokenExpiredException;
use Tymon\JWTAuth\Exceptions\TokenInvalidException;
use Tymon\JWTAuth\Http\Middleware\BaseMiddleware;

class Authenticate extends BaseMiddleware
{
    use LoginLimit;

    /**
     * Handle an incoming request.
     *
     * @param Request $request
     * @param Closure $next
     * @param string|null $guard
     * @return mixed
     *
     * @throws AuthorizationException
     */
    public function handle($request, Closure $next, $guard = null)
    {
        Auth::setDefaultDriver($guard);
        try {
            // 检查此次请求中是否带有 token，如果没有则抛出异常。
            $this->checkForToken($request);
        } catch (TokenInvalidException $exception) {
            abort(ResponseCodeEnum::HTTP_UNAUTHORIZED, 'token有误');
        }

        //1. 格式通过，验证是否是专属于这个的token
        //获取当前守护的名称
        $guard = Auth::getDefaultDriver();
        Log::error("1");
        //使用 try 包裹，以捕捉 token 过期所抛出的 TokenExpiredException  异常
        //2. 此时进入的都是属于当前guard守护的token
        try {
            // 检测用户的登录状态，如果正常则通过
            if ($this->auth->parseToken()->authenticate()) {
                Log::error("2");
                $token = Auth::getToken();
                $user_id = $this->auth->manager()->getPayloadFactory()->buildClaimsCollection()->toPlainArray()['sub'];
                //单机登录检查
                if (!$this->singleLoginCheck($token, $user_id, $guard)) {
                    Log::error("3");
                    abort(ResponseCodeEnum::HTTP_UNAUTHORIZED, '该账号已经再其他设备上登录');
                }
                Log::error("4");
                return $next($request);
            }
            Log::error("5");
            abort(ResponseCodeEnum::HTTP_UNAUTHORIZED, 'token过期，请重新登陆。');
        } catch (TokenExpiredException $exception) {
            // 3. 此处捕获到了 token 过期所抛出的 TokenExpiredException 异常，我们在这里需要做的是刷新该用户的 token 并将它添加到响应头中
            try {
                Log::error("6");
                // 刷新用户的 token
                $token = $this->auth->refresh();
                // 使用一次性登录以保证此次请求的成功
                $user_id = $this->auth->manager()->getPayloadFactory()->buildClaimsCollection()->toPlainArray()['sub'];
                Auth::onceUsingId($user_id);

                $this->singleLoginSetToken($user_id, $token, $guard);
                Log::error("7");
                return $this->setAuthenticationHeader($next($request), $token);
            } catch (JWTException $exception) {
                Log::error("8");
                Log::error($exception);
                // 如果捕获到此异常，即代表 refresh 也过期了，用户无法刷新令牌，需要重新登录。
                abort(ResponseCodeEnum::HTTP_UNAUTHORIZED, 'token令牌过期，请重新登陆。');
            }
        }
        Log::error("9");
        // 在响应头中返回新的 token
        abort(ResponseCodeEnum::HTTP_UNAUTHORIZED, '异常错误-Mead');
    }
}