xtu_mall/app/common/library/token/Driver.php

<?php
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// |  Token基础类
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namespace app\common\library\token;

abstract class Driver
{
    protected $handler = null;
    protected $options = [];

    /**
     * 存储Token
     * @param   string $token   Token
     * @param   int    $user_id 会员ID
     * @param   int    $expire  过期时长,0表示无限,单位秒
     * @return bool
     */
    abstract function set(string $token, int $user_id, $expire = 0);

    /**
     * 获取Token内的信息
     * @param   string $token
     * @return  array
     */
    abstract function get(string $token);

    /**
     * 判断Token是否可用
     * @param   string $token   Token
     * @param   int    $user_id 会员ID
     * @return  boolean
     */
    abstract function check(string $token, int $user_id);

    /**
     * 删除Token
     * @param   string $token
     * @return  boolean
     */
    abstract function delete(string $token);

    /**
     * 删除指定用户的所有Token
     * @param   int $user_id
     * @return  boolean
     */
    abstract function clear(int $user_id);

    /**
     * 返回句柄对象，可执行其它高级方法
     *
     * @access public
     * @return object
     */
    public function handler()
    {
        return $this->handler;
    }

    /**
     * 获取加密后的Token
     * @param string $token Token标识
     * @return string
     */
    protected function getEncryptedToken(string $token)
    {
        $config = \think\facade\Config::get('token');
        return hash_hmac($config['hashalgo'], $token, $config['key']);
    }

    /**
     * 获取过期剩余时长
     * @param $expiretime
     * @return float|int|mixed
     */
    protected function getExpiredIn($expiretime)
    {
        return $expiretime ? max(0, $expiretime - time()) : 365 * 86400;
    }
}