v12.0.0 - initial commit

packages/server/lib/middlewares/populateDeviceId.js

@@ -0,0 +1,29 @@
+const crypto = require('crypto')
+
+//const IS_STRESS_TESTING = process.env.LAMASSU_STRESS_TESTING === 'YES'
+
+function sha256(buf) {
+  if (!buf) return null
+  const hash = crypto.createHash('sha256')
+
+  hash.update(buf)
+  return hash.digest('hex').toString('hex')
+}
+
+const populateDeviceId = function (req, res, next) {
+  const peerCert = req.socket.getPeerCertificate
+    ? req.socket.getPeerCertificate()
+    : null
+  let deviceId = peerCert?.raw ? sha256(peerCert.raw) : null
+
+  //if (!deviceId && IS_STRESS_TESTING) deviceId = req.headers.device_id
+
+  if (!deviceId)
+    return res.status(500).json({ error: 'Unable to find certificate' })
+  req.deviceId = deviceId
+  req.deviceTime = req.get('date')
+
+  next()
+}
+
+module.exports = populateDeviceId