add

server/authServer.js

@@ -0,0 +1,43 @@
+require('dotenv').config()
+
+const express = require('express')
+const app = express()
+const jwt = require('jsonwebtoken')
+
+app.use(express.json())
+
+let refreshTokens = []
+
+app.post('/token', (req, res) => {
+  const refreshToken = req.body.token
+  if (refreshToken == null) return res.sendStatus(401)
+  if (!refreshTokens.includes(refreshToken)) return res.sendStatus(403)
+  jwt.verify(refreshToken, process.env.REFRESH_TOKEN_SECRET, (err, user) => {
+    if (err) return res.sendStatus(403)
+    const accessToken = generateAccessToken({ name: user.name })
+    res.json({ accessToken: accessToken })
+  })
+})
+
+app.delete('/logout', (req, res) => {
+  refreshTokens = refreshTokens.filter(token => token !== req.body.token)
+  res.sendStatus(204)
+})
+
+app.post('/login', (req, res) => {
+  // Authenticate User
+
+  const username = req.body.username
+  const user = { name: username }
+
+  const accessToken = generateAccessToken(user)
+  const refreshToken = jwt.sign(user, process.env.REFRESH_TOKEN_SECRET)
+  refreshTokens.push(refreshToken)
+  res.json({ accessToken: accessToken, refreshToken: refreshToken })
+})
+
+function generateAccessToken(user) {
+  return jwt.sign(user, process.env.ACCESS_TOKEN_SECRET, { expiresIn: '15s' })
+}
+
+app.listen(4000)