pubky/z32.html at gh-pages · play-grounds/pubky · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Z32 Encoder</title>
  <script type="module" src="https://unpkg.com/htm@3.0.4/preact/standalone.module.js"></script>
  <style>
    * {
      box-sizing: border-box;
    }
    body {
      font-family: Arial, sans-serif;
      background: linear-gradient(135deg, #e0eafc, #cfdef3);
      color: #333;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      margin: 0;
      padding: 0 20px;
    }
    .container {
      text-align: center;
      padding: 40px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
      width: 100%;
      max-width: 700px; /* Increased max width */
      margin: 20px;
      transition: all 0.3s ease;
    }
    .container:hover {
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
      transform: translateY(-2px);
    }
    h2 {
      color: #007bff;
      font-size: 2em;
      margin-bottom: 20px;
    }
    input {
      padding: 14px;
      font-size: 16px;
      border-radius: 8px;
      border: 1px solid #ddd;
      width: 100%;
      max-width: 600px; /* Increased input width */
      margin: 10px 0;
      box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
      outline: none;
      transition: border-color 0.2s;
    }
    input:focus {
      border-color: #007bff;
    }
    button {
      padding: 14px 24px;
      font-size: 16px;
      border-radius: 8px;
      border: none;
      background-color: #007bff;
      color: white;
      cursor: pointer;
      transition: background-color 0.3s;
      width: 100%;
      max-width: 200px;
      margin-top: 15px;
    }
    button:hover {
      background-color: #0056b3;
    }
    .output {
      margin-top: 20px;
      font-size: 1.1em;
      color: #555;
      word-break: break-all;
    }
    @media (max-width: 800px) {
      .container {
        max-width: 90%;
      }
      h2 {
        font-size: 1.5em;
      }
      button {
        padding: 12px 16px;
      }
    }
  </style>
</head>
<body>
  <div id="app"></div>

  <script type="module">
    import { html, render, useState } from 'https://unpkg.com/htm@3.0.4/preact/standalone.module.js';

    const z32Alphabet = 'ybndrfg8ejkmcpqxot1uwisza345h769';

    function hexToZ32(hex) {
      const bits = hex.match(/.{1,4}/g).map(byte => parseInt(byte, 16).toString(2).padStart(16, '0')).join('');
      const chunks = bits.match(/.{1,5}/g);
      return chunks.map(chunk => z32Alphabet[parseInt(chunk.padEnd(5, '0'), 2)]).join('');
    }

    const App = () => {
      const [hexKey, setHexKey] = useState('');
      const [z32Id, setZ32Id] = useState('');

      const handleEncode = () => {
        if (hexKey.length === 64 && /^[a-fA-F0-9]+$/.test(hexKey)) {
          setZ32Id(hexToZ32(hexKey));
        } else {
          alert('Please enter a valid 64-character hex key.');
        }
      };

      return html`
        <div class="container">
          <h2>Z32 Encoder</h2>
          <input
            type="text"
            placeholder="Enter 64-char hex key"
            value=${hexKey}
            onInput=${e => setHexKey(e.target.value)}
          />
          <button onClick=${handleEncode}>Encode to Z32</button>
          ${z32Id && html`<div class="output">Z32 Identifier: ${z32Id}</div>`}
        </div>
      `;
    };

    render(html`<${App} />`, document.getElementById('app'));
  </script>
</body>
</html>