<?php
/**
 *
 * User: anyluck
 * Date: 2020/6/1
 * Time: 16:29
 */

namespace app\middleware;


use think\facade\Request;
class Token
{
    public function handle($request, \Closure $next)
    {
        try {
            $authorization = Request::header("authorization"); //获取请求中的authentication字段，值形式为USERID asdsajh..这种形式
            $authorization = explode(" ", $authorization);//explode分割，获取后面一窜base64加密数据
            $authorizationInfo = explode(":", base64_decode($authorization[1]));  //对base_64解密，获取到用:拼接的自字符串，然后分割，可获取appid、accesstoken、uid这三个参数
            $user = $authorizationInfo[0];// 用户名
            $user_id = $authorizationInfo[1];// 用户id
            $token = $authorizationInfo[2];// 用户token
            Request::instance()->tokens = $token;
            Request::instance()->user_id = $user_id;
            Request::instance()->user = $user;
        } catch (\Exception $exception) {
            json_result(500,"请重新登录");
            return json($exception->getMessage(),400);
        }
        return $next($request);
    }
}