在线解密工具 - Base64 解密、JSON 解析和 URL 解码 - 常规

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>在线解密工具 - Base64 解密、JSON 解析和 URL 解码</title>
    <script src="decrypt.js"></script>
  </head>
  <body>
    <label for="input">输入：</label>
    <textarea id="input"></textarea>
<pre><code>&lt;label for=&quot;output1&quot;&gt;解密后：&lt;/label&gt;
&lt;textarea id=&quot;output1&quot; readonly&gt;&lt;/textarea&gt;

&lt;label for=&quot;output2&quot;&gt;URL：&lt;/label&gt;
&lt;textarea id=&quot;output2&quot; readonly&gt;&lt;/textarea&gt;
&lt;button onclick=&quot;decrypt()&quot;&gt;解密&lt;/button&gt;
</code></pre>
  </body>
</html>
<pre><code class="language-javascript">var input = document.getElementById('input');
var output1 = document.getElementById('output1');
var output2 = document.getElementById('output2');

function decrypt() {
  var data = JSON.parse(input.value).data;
  var decoded1 = atob(data);
  var decoded2 = atob(decoded1);
  var decoded3 = atob(decoded2);
  var url = decodeURIComponent(decoded3);

  output1.value = decoded3;
  output2.value = url;
}

input.addEventListener('input', decrypt);
</code></pre>