[网络协议]Thinkphp封装jwt认证

composer安装
composer require firebase/php-jwt


<?php

namespace app\busines;

use Firebase\JWT\ExpiredException;
use Firebase\JWT\JWT as JWTUtil;

class Jwt
{
    public function createjwt($id)
    {
        $key = md5(env('TOKEN.key', 'yxw')); //jwt的签发密钥，验证token的时候需要用到
        $time = time(); //签发时间
        $expire = $time + 14400; //过期时间
        $token = array(
            "user_id" => $id,
            "iss" => env('TOKEN.iss'),//签发组织
            "aud" => env('TOKEN.aud'), //签发作者`
            "iat" => $time,
            "nbf" => $time,
            "exp" => $expire
        );
        $jwt = JWTUtil::encode($token, $key);
        return success('生成秘钥', $jwt);
    }


    public function verifyjwt($jwt)
    {
//        $jwt = input("jwt");
        $key = md5(env('TOKEN.key', 'yxw')); //jwt的签发密钥，验证token的时候需要用到
        try {
            $jwtAuth = json_encode(JWTUtil::decode($jwt, $key, array("HS256")));
            $authInfo = json_decode($jwtAuth, true);
            if (!$authInfo['user_id']) {
                return fail('未找到用户');
            }
            return success('ok');
        } catch (ExpiredException $e) {
            return fail('token过期');
        } catch (\Exception $e) {
            return fail('错误信息', $e->getMessage());
        }

    }
}