ADMENSION/init-admin-pin.html at main · GareBear99/ADMENSION · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>ADMENSION Admin PIN Setup</title>
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }
    .card {
      background: white;
      border-radius: 16px;
      padding: 32px;
      max-width: 500px;
      width: 100%;
      box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    }
    h1 {
      font-size: 24px;
      margin-bottom: 8px;
      color: #333;
    }
    .subtitle {
      color: #666;
      margin-bottom: 24px;
      font-size: 14px;
    }
    .notice {
      background: #fff3cd;
      border: 1px solid #ffc107;
      border-radius: 8px;
      padding: 12px;
      margin-bottom: 20px;
      font-size: 13px;
      color: #856404;
    }
    .success {
      background: #d4edda;
      border-color: #28a745;
      color: #155724;
    }
    .error {
      background: #f8d7da;
      border-color: #dc3545;
      color: #721c24;
    }
    label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      font-size: 14px;
      color: #333;
    }
    input {
      width: 100%;
      padding: 12px;
      border: 2px solid #ddd;
      border-radius: 8px;
      font-size: 16px;
      margin-bottom: 16px;
      transition: border-color 0.3s;
    }
    input:focus {
      outline: none;
      border-color: #667eea;
    }
    button {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.2s, opacity 0.3s;
    }
    button:hover {
      transform: translateY(-2px);
    }
    button:disabled {
      opacity: 0.6;
      cursor: not-allowed;
      transform: none;
    }
    .code-block {
      background: #f5f5f5;
      padding: 12px;
      border-radius: 8px;
      font-family: monospace;
      font-size: 12px;
      margin-top: 12px;
      overflow-x: auto;
    }
    .hidden { display: none; }
  </style>
</head>
<body>
  <div class="card">
    <h1>🔐 Admin PIN Setup</h1>
    <p class="subtitle">Initialize your secure admin PIN for ADMENSION</p>

    <div id="warning" class="notice">
      <strong>⚠️ Security Notice:</strong> Choose a strong 6-digit PIN. Never share it publicly.
    </div>

    <div id="status" class="hidden"></div>

    <form id="pinForm">
      <label for="pin">Enter Your Admin PIN (6 digits)</label>
      <input
        type="password"
        id="pin"
        pattern="[0-9]{6}"
        minlength="6"
        maxlength="6"
        placeholder="123456"
        required
      />

      <label for="confirmPin">Confirm Your PIN</label>
      <input
        type="password"
        id="confirmPin"
        pattern="[0-9]{6}"
        minlength="6"
        maxlength="6"
        placeholder="123456"
        required
      />

      <button type="submit">Initialize Admin PIN</button>
    </form>

    <div id="result" class="hidden">
      <div class="notice success">
        <strong>✅ PIN Initialized Successfully!</strong>
      </div>
      <p style="margin: 16px 0; font-size: 14px; color: #666;">
        Your admin PIN has been securely hashed and stored in localStorage.
        You can now use ADMENSION admin features with your PIN.
      </p>
      <div class="code-block" id="hashDisplay"></div>
    </div>
  </div>

  <script>
    // SHA-256 hash function (secure PIN storage)
    async function hashPIN(pin) {
      const encoder = new TextEncoder();
      const data = encoder.encode(pin);
      const hashBuffer = await crypto.subtle.digest('SHA-256', data);
      const hashArray = Array.from(new Uint8Array(hashBuffer));
      return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
    }

    // Show status message
    function showStatus(message, isError = false) {
      const status = document.getElementById('status');
      status.className = isError ? 'notice error' : 'notice success';
      status.textContent = message;
      status.classList.remove('hidden');
      setTimeout(() => status.classList.add('hidden'), 5000);
    }

    // Handle form submission
    document.getElementById('pinForm').addEventListener('submit', async (e) => {
      e.preventDefault();

      const pin = document.getElementById('pin').value;
      const confirmPin = document.getElementById('confirmPin').value;

      // Validation
      if (pin !== confirmPin) {
        showStatus('❌ PINs do not match!', true);
        return;
      }

      if (!/^\d{6}$/.test(pin)) {
        showStatus('❌ PIN must be exactly 6 digits!', true);
        return;
      }

      // Weak PIN check
      const weakPins = ['000000', '111111', '222222', '333333', '444444',
                        '555555', '666666', '777777', '888888', '999999',
                        '123456', '654321', '000001', '999999'];
      if (weakPins.includes(pin)) {
        if (!confirm('⚠️ This PIN is weak and easily guessable. Use it anyway?')) {
          return;
        }
      }

      try {
        // Hash the PIN
        const hash = await hashPIN(pin);

        // Store hash in localStorage
        localStorage.setItem('admension_pin_hash', hash);

        // Show success
        document.getElementById('pinForm').classList.add('hidden');
        document.getElementById('warning').classList.add('hidden');
        document.getElementById('result').classList.remove('hidden');
        document.getElementById('hashDisplay').textContent =
          `Hash: ${hash.substring(0, 32)}...\\nStored in: localStorage['admension_pin_hash']`;

        // Clear inputs
        document.getElementById('pin').value = '';
        document.getElementById('confirmPin').value = '';

      } catch (error) {
        showStatus('❌ Error: ' + error.message, true);
      }
    });

    // Check if PIN is already set
    window.addEventListener('DOMContentLoaded', () => {
      const existingHash = localStorage.getItem('admension_pin_hash');
      if (existingHash) {
        document.getElementById('warning').innerHTML = `
          <strong>✅ Admin PIN Already Set</strong><br/>
          To change it, clear localStorage first or update the hash manually.
        `;
        document.getElementById('warning').className = 'notice success';
      }
    });
  </script>
</body>
</html>