nemid/example/server.js

Node.js module for NemID authentication and signing

const express = require('express')
const app = express()
const crypto = require('crypto')
const path = require('path')
const fs = require('fs')
const cert = path.join(__dirname, '../cert.der')
const key = path.join(__dirname, '../test.key')
const issuer = path.join(__dirname, '../issuer.der')
const NemID = require('..')

const nemid = new NemID({
  clientKey: crypto.createPrivateKey({
    key: fs.readFileSync(key),
    format: 'pem',
    type: 'pkcs1'
  }),
  clientCert: fs.readFileSync(cert),
  serverCA: fs.readFileSync(issuer)
})

app.use(require('cors')({
  origin: 'http://localhost:9966'
}))

app.use(express.json())

app.get('/authenticate', function (req, res) {
  const parameters = nemid.authenticate({ origin: 'http://localhost:9966' })

  res.send(parameters)
})

app.post('/authenticate/verify', function (req, res) {
  const response = req.body.content

  nemid.verifyAuthenticate(response, function (err, userInfo) {
    if (err) {
      // err is a NemIDError
      // Log the cause of the error on the server somehow
      console.error(err)
      // And send a user message to the client
      return res.send(err.userMessage.da)
    }

    if (userInfo === false) {
      return res.send({ success: false })
    }

    // Can do stuff with userInfo now
    console.log(userInfo.serialNumber) // contains the user PID

    return res.send({ success: true })
  })
})

app.listen(8000)