转载：https://mkblog.cn/1692/
预览地址：https://55gy.cn/img/
使用方法
1、将代码保存为 MkEncrypt.php
2、在要加密的页面前面引入这个 php 文件
require_once('MkEncrypt.php');
MkEncrypt('密码');
//你的代码
MkEncrypt.php
<?php
/********************************************
* 使用方法:
*
* 1、将本段代码保存为 MkEncrypt.php
*
* 2、在要加密的页面前面引入这个 php 文件
* require_once('MkEncrypt.php');
*
* 3、设置页面访问密码
* MkEncrypt('页面密码');
*
********************************************/
// 密码 Cookie 加密
if(!defined('MK_ENCRYPT_SALT'))
define('MK_ENCRYPT_SALT', 'Kgs$JC!V');
/**
* 设置访问密码
*
* @param $password 访问密码
* @param $pageid 页面唯一 ID 值，用于区分同一网站的不同加密页面
*/
function MkEncrypt($password, $pageid = 'default') {
$pageid = md5($pageid);
$md5pw = md5(md5($password).MK_ENCRYPT_SALT);
$postpwd = isset($_POST['pagepwd']) ? addslashes(trim($_POST['pagepwd'])) : '';
$cookiepwd = isset($_COOKIE['mk_encrypt_'.$pageid]) ? addslashes(trim($_COOKIE['mk_encrypt_'.$pageid])) : '';
if($cookiepwd == $md5pw) return; // Cookie密码验证正确
if($postpwd == $password) { // 提交的密码正确
setcookie('mk_encrypt_' . $pageid, $md5pw, time() + 600, '/');
return;
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta http-equiv="X-UA-Compatible" content="IE=Edge，chrome=1">
<meta http-equiv= "Pragma" content= "no-cache" />
<meta http-equiv= "Cache-Control" content= "no-cache" />
<meta http-equiv= "Expires" content= "0" />
<meta name="renderer" content="webkit">
<meta name="keywords" content="55gY|图片" />
<meta name="description" content="55gY|图片" />
<meta name="author" content="55gY|图片(55gy.cn)" />
<meta name="copyright" content="55gY|图片(55gy.cn)" />
<link rel="icon" href="https://55gy.cn/wp-content/uploads/2019/03/cropped-20190329_111020_86-32x32.png" sizes="32x32">
<link rel="icon" href="https://55gy.cn/wp-content/uploads/2019/03/cropped-20190329_111020_86-192x192.png" sizes="192x192">
<link rel="apple-touch-icon-precomposed" href="https://55gy.cn/wp-content/uploads/2019/03/cropped-20190329_111020_86-180x180.png">
<meta name="msapplication-TileImage" content="https://55gy.cn/wp-content/uploads/2019/03/cropped-20190329_111020_86-270x270.png">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>55gY|图片</title>
<style type="text/css">
body,html{margin:0;padding:0}
audio{z-index:5;position:absolute;bottom:0;opacity:.1;-webkit-transition:all 2s;-moz-transition:all 2s;-ms-transition:all 2s;-o-transition:all 2s;transition:all 2s}
audio:hover{opacity:1}
.wall{position:absolute;top:0;left:0;bottom:0;right:0}
div#background{background:url(https://s5.mogucdn.com/mlcdn/fe720b/191127_7519e2d54klg44h2d35fjleg3d6c2_3430x1462.jpg) no-repeat;-webkit-animation:dd 100s linear infinite;-moz-animation:dd 100s linear infinite;-o-animation:dd 100s linear infinite;animation:dd 100s linear infinite;background-size:cover}
div#midground{background:url(https://s5.mogucdn.com/mlcdn/fe720b/191127_8aa686ieib6k134748ie5928i5f57_500x500.png);z-index:1;-webkit-animation:cc 100s linear infinite;-moz-animation:cc 100s linear infinite;-o-animation:cc 100s linear infinite;animation:cc 100s linear infinite}
div#foreground{background:url(https://s11.mogucdn.com/mlcdn/fe720b/191127_88j635d9hal691hk7l8j3ch59gga9_500x500.png);z-index:2;-webkit-animation:cc 153s linear infinite;-o-animation:cc 153s linear infinite;-moz-animation:cc 153s linear infinite;animation:cc 153s linear infinite}
div#top{background:url(https://s5.mogucdn.com/mlcdn/fe720b/191127_8aa686ieib6k134748ie5928i5f57_500x500.png);z-index:4;-webkit-animation:dd 100s linear infinite;-o-animation:dd 100s linear infinite;animation:da 100s linear infinite}
@-webkit-keyframes cc{from{background-position:0 0;transform:translateY(10px)}
to{background-position:600% 0}
}
@-o-keyframes cc{from{background-position:0 0;transform:translateY(10px)}
to{background-position:600% 0}
}
@-moz-keyframes cc{from{background-position:0 0;transform:translateY(10px)}
to{background-position:600% 0}
}
@keyframes cc{0%{background-position:0 0}
100%{background-position:600% 0}
}
@keyframes da{0%{background-position:0 0}
100%{background-position:0 600%}
}
@-webkit-keyframes da{0%{background-position:0 0}
100%{background-position:0 600%}
}
@-moz-keyframes da{0%{background-position:0 0}
100%{background-position:0 600%}
}
@-ms-keyframes da{0%{background-position:0 0}
100%{background-position:0 600%}
}
button,input{font-size:1em;border-radius:3px;-webkit-appearance:none}
input{width:100%;padding:5px;box-sizing:border-box;border:1px solid #0000;background-color:#0000;resize:vertical}
input:focus{background-color:#0000;outline:0;border:1px solid #fff}
button{border:0;background:#cecece5e;color:#fff;cursor:pointer;opacity:1;user-select:none}
.return-home:hover,button:focus,button:hover{opacity:.9}
button:active{opacity:1}
.main{z-index:999;width:100%;max-width:300px;height:80px;padding:30px;background-color:#0000001f;border-radius:2px;box-shadow:0 10px 60px 0 rgba(29,29,31,.09);transition:all .12s ease-out;position:absolute;left:0;top:0;bottom:0;right:0;margin:auto;text-align:center}
.alert{width:80px}
.mk-side-form{margin-bottom:28px}
.mk-side-form input{float:left;padding:2px 10px;width:77%;height:37px;border:1px solid #0000;border-right-color:transparent;border-radius:2px 0 0 2px;line-height:37px}
.mk-side-form button{position:relative;overflow:visible;width:23%;height:37px;border-radius:0 2px 2px 0;text-transform:uppercase}
#pw-error{color:red;margin-top:15px;margin-bottom:-20px}
.return-home{text-decoration:none;color:#b1b1b1;font-size:16px}
</style>
</head>
<body>
<audio id="backgroud-music" controls="controls" autoplay="autoplay" loop="loop">
<source src="Windy Hill.mp3">
</audio>
<div id="background" class="wall"></div>
<div id="midground" class="wall"></div>
<div id="foreground" class="wall"></div>
<div id="top" class="wall"></div>
<div class="main">
<form action="" method="post" class="mk-side-form">
<input type="password" name="pagepwd" placeholder="天王盖地虎" autocomplete="new-password"><button type="submit">提交</button>
<?php if($postpwd): ?>
<script>alert("有内鬼,停止交易");</script>
<?php endif; ?>
</form>
<a href="/" class="return-home" title="点击回到网站首页">- 返回首页 - </a>
</div>
</body>
</html>
<?php
exit();
}
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