Driver.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace app\common\library\token;
/**
* Token基础类
*/
abstract class Driver
{
protected $handler = null;
protected $options = [];
/**
* 存储Token
* @param string $token Token
* @param int $user_id 会员ID
* @param int $expire 过期时长,0表示无限,单位秒
* @return bool
*/
abstract function set($token, $user_id, $expire = 0);
/**
* 获取Token内的信息
* @param string $token
* @return array
*/
abstract function get($token);
/**
* 判断Token是否可用
* @param string $token Token
* @param int $user_id 会员ID
* @return boolean
*/
abstract function check($token, $user_id);
/**
* 删除Token
* @param string $token
* @return boolean
*/
abstract function delete($token);
/**
* 删除指定用户的所有Token
* @param int $user_id
* @return boolean
*/
abstract function clear($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 $token Token标识
* @return string
*/
protected function getEncryptedToken($token)
{
$config = \think\Config::get('token');
return hash_hmac($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;
}
}