lamassu-server/lib/middlewares/populateDeviceId.js
2025-03-31 15:43:08 +01:00

22 lines
595 B
JavaScript

const crypto = require('crypto')
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
const deviceId = peerCert?.raw ? sha256(peerCert.raw) : null
if (!deviceId) return res.status(500).json({ error: 'Unable to find certificate' })
req.deviceId = deviceId
req.deviceTime = req.get('date')
next()
}
module.exports = populateDeviceId