<?php namespace app\common\cache; /** * //后台账号安全机制,连续输错后锁定,防止账号密码暴力破解 * Class AdminAccountSafeCache * @package app\common\cache */ class UserAccountSafeCache extends BaseCache { private string $key;//缓存次数名称 public int $minute = 15;//缓存设置为15分钟,即密码错误次数达到,锁定15分钟 public int $count = 5; //设置连续输错次数,即15分钟内连续输错误15次后,锁定 public function __construct() { parent::__construct(); $ip = \request()->ip(); $this->key = $this->tagName . $ip; } /** * @notes 记录登录错误次数 * @author 令狐冲 * @date 2021/6/30 01:51 */ public function record() { if ($this->get($this->key)) { //缓存存在,记录错误次数 $this->inc($this->key, 1); } else { //缓存不存在,第一次设置缓存 $this->set($this->key, 1, $this->minute * 60); } } /** * @notes 判断是否安全 * @return bool * @author 令狐冲 * @date 2021/6/30 01:53 */ public function isSafe(): bool { $count = $this->get($this->key); if ($count >= $this->count) { return false; } return true; } /** * @notes 删除该ip记录错误次数 * @author 令狐冲 * @date 2021/6/30 01:55 */ public function relieve() { $this->delete($this->key); } }