hardware fingerprint

packages/api/src/utility/hardwareFingerprint.js

@@ -0,0 +1,72 @@
+const axios = require('axios');
+const os = require('os');
+const crypto = require('crypto');
+
+async function getPublicIp() {
+  try {
+    const resp = await axios.default.get('https://api.ipify.org?format=json');
+    return resp.data.ip || 'unknown-ip';
+  } catch (err) {
+    return 'unknown-ip';
+  }
+}
+
+function getMacAddress() {
+  const interfaces = os.networkInterfaces();
+  for (let iface of Object.values(interfaces)) {
+    for (let config of iface) {
+      if (config.mac && config.mac !== '00:00:00:00:00:00') {
+        return config.mac;
+      }
+    }
+  }
+  return '00:00:00:00:00:00';
+}
+
+async function getHardwareFingerprint() {
+  const publicIp = await getPublicIp();
+  const macAddress = getMacAddress();
+  const platform = os.platform();
+  const release = os.release();
+  const hostname = os.hostname();
+  const totalMemory = os.totalmem();
+
+  return {
+    publicIp,
+    macAddress,
+    platform,
+    release,
+    hostname,
+    totalMemory,
+  };
+}
+
+async function getHardwareFingerprintHash(data = undefined) {
+  if (!data) {
+    data = await getHardwareFingerprint();
+  }
+  const fingerprintData = JSON.stringify(data);
+  const hash = crypto.createHash('sha256').update(fingerprintData).digest('hex');
+  return hash;
+}
+
+async function getPublicHardwareFingerprint() {
+  const fingerprint = await getHardwareFingerprint();
+  const hash = await getHardwareFingerprintHash(fingerprint);
+  return {
+    hash,
+    payload: {
+      platform: fingerprint.platform,
+    },
+  };
+}
+
+// getHardwareFingerprint().then(console.log);
+// getHardwareFingerprintHash().then(console.log);
+// getPublicHardwareFingerprint().then(console.log);
+
+module.exports = {
+  getHardwareFingerprint,
+  getHardwareFingerprintHash,
+  getPublicHardwareFingerprint,
+};