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eval-decoder.html
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eval-decoder.html
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<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JavaScript eval解密</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
<style>
/* 整个页面使用Flexbox布局 */
body {
display: flex;
justify-content: center; /* 水平居中 */
align-items: center; /* 垂直居中 */
min-height: 100vh; /* 最小高度为视口高度 */
margin: 0;
background-color: #f0f0f0; /* 背景颜色 */
font-family: Arial, sans-serif; /* 字体 */
}
.container {
display: flex;
flex-direction: column; /* 垂直排列子元素 */
align-items: center; /* 子元素水平居中 */
}
.cool-button {
padding: 10px 20px;
font-size: 16px;
text-transform: uppercase;
color: #fff;
background: linear-gradient(45deg, #4b6cb7, #182848);
border: none;
border-radius: 5px;
cursor: pointer;
transition: all 0.3s ease;
outline: none;
position: relative;
overflow: hidden;
margin-bottom: 20px; /* 添加底部间距 */
}
.cool-button::before {
content: '';
position: absolute;
top: 0;
left: -50%;
width: 100%;
height: 100%;
background: rgba(255, 255, 255, 0.1);
transform: skewX(-20deg);
transition: all 0.3s ease;
}
.cool-button:hover::before {
transform: skewX(20deg) translateX(150%);
}
.cool-button:hover {
background: linear-gradient(45deg, #182848, #4b6cb7);
}
.cool-textarea {
width: 100%;
max-width: 500px;
padding: 15px;
font-size: 16px;
color: #333;
background: #f7f7f7;
border: 2px solid #4b6cb7;
border-radius: 5px;
box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
transition: all 0.3s ease;
resize: none; /* 防止调整大小 */
}
.cool-textarea:focus {
border-color: #182848;
box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1), 0 0 5px rgba(25, 25, 25, 0.4);
outline: none;
}
.cool-textarea::placeholder {
color: #a9a9a9;
}
h1 {
font-size: 2.5em; /* 字体大小 */
color: #4b6cb7; /* 字体颜色，与按钮颜色相匹配 */
text-align: center; /* 文本居中 */
margin: 0; /* 移除默认的外边距 */
padding: 20px 0; /* 上下内边距 */
font-weight: normal; /* 字体权重 */
text-transform: uppercase; /* 大小写转换为大写 */
background: linear-gradient(to right, #4b6cb7, #182848); /* 背景渐变 */
-webkit-background-clip: text; /* 背景剪切，文本颜色变为透明 */
background-clip: text;
color: transparent; /* 文本颜色变为透明 */
transition: all 0.3s ease; /* 平滑过渡效果 */
}
h1:hover {
transform: scale(1.05); /* 鼠标悬停时放大 */
}
</style>
</head>
<body>
<div class="container">
<h1 for="eval_code">解密eval加密的代码</h1>
<textarea id="eval_code" cols="100" rows="30" placeholder="粘贴eval代码" class="cool-textarea"></textarea>
<br>
<br>
<div>
<button class="cool-button" onclick="executeEval()">eval解密</button>
<button class="cool-button" onclick="clearEvalCode()">清空</button>
<button class="cool-button" onclick="loadExampleEvalCode()">加载示例加密代码</button>
</div>
<br>
<br>
<div>
<p>
<p>参考链接:</p>
<ul>
<li><a href="https://github.com/JSREI/eval-decoder" target="_blank">https://github.com/JSREI/eval-decoder</a></li>
<li><a href="https://www.cnblogs.com/cc11001100/p/8468508.html" target="_blank">https://www.cnblogs.com/cc11001100/p/8468508.html</a></li>
</ul>
</p>
</div>
<a class="github-fork-ribbon" href="https://github.com/JSREI/eval-decoder" target="_blank"
data-ribbon="Fork me on GitHub" title="Fork me on GitHub">
Fork me on GitHub
</a>
</div>
<script type="text/javascript">
/**
* 示例eval加密的代码
*
* @type {string}
*/
const EXAMPLE_EVAL_CODE = `eval(function(p,a,c,k,e,r){e=String;if(!''.replace(/^/,String)){while(c--)r[c]=k[c]||c;k=[function(e){return r[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}('0.1("2");',3,3,'console|log|CC11001100'.split('|'),0,{}))`;
/**
* 加载默认的eval加密示例代码
*/
function loadExampleEvalCode() {
document.getElementById('eval_code').value = EXAMPLE_EVAL_CODE;
saveEvalCode();
}
/**
* 清空输入框
*/
function clearEvalCode() {
document.getElementById('eval_code').value = '';
saveEvalCode();
}
/**
* 为文本输入框设置默认的示例代码，这个placeholder比较大，通过JS来设置
*/
function setPlaceholder() {
const placeholder = `粘贴eval代码，比如：\n${EXAMPLE_EVAL_CODE}`;
document.getElementById('eval_code').setAttribute("placeholder", placeholder);
}
function executeEval() {
let evalCodeElt = document.getElementById('eval_code');
let evalCode = evalCodeElt.value;
// 如果不把开头的eval去掉的话直接执行会被执行两遍
evalCode = evalCode.replace(/^eval/, "");
if (!evalCode) {
alert("请在文本框内粘贴被Eval加密的JavaScript代码！");
return;
}
try {
evalCodeElt.value = eval(evalCode);
saveEvalCode();
} catch (e) {
alert("执行报错了：" + e);
}
}
/**
* eval code本地存储使用的key
* @type {string}
*/
const EVAL_CODE_LOCAL_STORAGE_KEY = 'JSREI-eval-decoder-eval_code-local-storage-key';
/**
* 保存eval code到本地
*/
function saveEvalCode() {
const evalCode = document.getElementById('eval_code').value || '';
localStorage.setItem(EVAL_CODE_LOCAL_STORAGE_KEY, evalCode);
}
/**
* 从本地存储中恢复出来上次的输入
*/
function recoveryEvalCode() {
const evalContent = localStorage.getItem(EVAL_CODE_LOCAL_STORAGE_KEY);
if (!evalContent) {
return;
}
document.getElementById('eval_code').value = evalContent;
}
// 页面初始化
(function () {
setPlaceholder();
recoveryEvalCode();
})();
</script>
</body>
</html>