Amankan & Kelola Lisensi Software Bisnis Anda Secara Otomatis

// PHP Implementation: Verifikasi Lisensi dengan Signature HMAC SHA-256
$license_key   = 'RS-XXXX-2026';
$shared_secret = 'YOUR_CLIENT_SECRET_KEY';
$timestamp     = time();
$domain        = $_SERVER['HTTP_HOST'] ?? 'localhost';

// Buat signature kriptografis
$data_to_sign = $license_key . '.' . $timestamp;
$signature    = hash_hmac('sha256', $data_to_sign, $shared_secret);

$ch = curl_init('http://localhost/github/web-licenses/api/verify-license.php');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => [
        'license_key' => $license_key,
        'timestamp'   => $timestamp,
        'signature'   => $signature,
        'domain'      => $domain
    ],
    CURLOPT_TIMEOUT => 5
]);

$response = json_decode(curl_exec($ch), true);
curl_close($ch);

if ($response && $response['status'] === 'valid') {
    // Lisensi Aktif & Sah! Lanjutkan akses aplikasi
} else {
    die("Akses Ditolak: " . ($response['message'] ?? 'Lisensi tidak valid!'));
}

// Node.js Implementation: Verifikasi Lisensi
const crypto = require('crypto');
const axios = require('axios');

async function verifyLicense() {
  const licenseKey = 'RS-XXXX-2026';
  const sharedSecret = 'YOUR_CLIENT_SECRET_KEY';
  const timestamp = Math.floor(Date.now() / 1000);
  const domain = 'app.clientdomain.com';

  const dataToSign = `${licenseKey}.${timestamp}`;
  const signature = crypto.createHmac('sha256', sharedSecret).update(dataToSign).digest('hex');

  const { data } = await axios.post('http://localhost/github/web-licenses/api/verify-license.php', {
    license_key: licenseKey,
    timestamp: timestamp,
    signature: signature,
    domain: domain
  });

  return data.status === 'valid';
}

# Python Implementation: Verifikasi Lisensi
import time
import hmac
import hashlib
import requests

license_key = "RS-XXXX-2026"
shared_secret = "YOUR_CLIENT_SECRET_KEY"
timestamp = int(time.time())
domain = "app.clientdomain.com"

data_to_sign = f"{license_key}.{timestamp}".encode('utf-8')
signature = hmac.new(shared_secret.encode('utf-8'), data_to_sign, hashlib.sha256).hexdigest()

response = requests.post("http://localhost/github/web-licenses/api/verify-license.php", data={
    "license_key": license_key,
    "timestamp": timestamp,
    "signature": signature,
    "domain": domain
}, timeout=5)

result = response.json()
if result.get("status") == "valid":
    print("Lisensi Terverifikasi!")