65 lines
1.5 KiB
PHP
65 lines
1.5 KiB
PHP
<?php
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namespace app\common\cache;
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/**
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* //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
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* Class AdminAccountSafeCache
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* @package app\common\cache
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*/
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class UserAccountSafeCache extends BaseCache
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{
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private string $key;//缓存次数名称
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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
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public int $count = 5; //设置连续输错次数，即15分钟内连续输错误15次后，锁定
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public function __construct()
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{
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parent::__construct();
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$ip = \request()->ip();
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$this->key = $this->tagName . $ip;
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}
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/**
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* @notes 记录登录错误次数
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* @author 令狐冲
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* @date 2021/6/30 01:51
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*/
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public function record()
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{
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if ($this->get($this->key)) {
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//缓存存在，记录错误次数
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$this->inc($this->key, 1);
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} else {
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//缓存不存在，第一次设置缓存
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$this->set($this->key, 1, $this->minute * 60);
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}
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}
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/**
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* @notes 判断是否安全
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* @return bool
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* @author 令狐冲
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* @date 2021/6/30 01:53
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*/
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public function isSafe(): bool
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{
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$count = $this->get($this->key);
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if ($count >= $this->count) {
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return false;
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}
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return true;
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}
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/**
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* @notes 删除该ip记录错误次数
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* @author 令狐冲
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* @date 2021/6/30 01:55
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*/
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public function relieve()
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{
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$this->delete($this->key);
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}
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} |