Register/Login implementation

src/app.ts

@@ -1,18 +1,58 @@
-import { PrismaClient } from '@prisma/client'
-import express from 'express'
+import express, { RequestHandler } from 'express'
+import userRouter from './routers/user.js'
 import * as dotenv from 'dotenv'
+import jwt from 'jsonwebtoken'
+import cors from 'cors'
+import cookieParser from 'cookie-parser'
+import { getJwtSecret } from './utils/jwt.js'
 
-dotenv.config()
+function initEnvVariables() {
+    dotenv.config()
+    const varsToCheck = ['API_PORT', 'FRONT_ORIGIN']
+
+    varsToCheck.forEach(varName => {
+        const variable = process.env[varName]
+
+        if (variable == undefined || variable === '') {
+            console.error(`Missing '${varName}' in .env`)
+            process.exit()
+        }
+    })
+}
+
+initEnvVariables()
 
 const app = express()
-const prisma = new PrismaClient()
+const appRouter = express.Router()
 const port = process.env.API_PORT
 
+app.use(cors({ origin: process.env.FRONT_ORIGIN, credentials: true }))
+app.use(cookieParser())
 app.use(express.json())
 app.use(express.urlencoded({ extended: false }))
 
-app.get('/v1/', async (req, res, next) => {
+const authMiddleware: RequestHandler = function (req, res, next) {
+    const token = req.cookies.jwt
+    if (token == undefined) {
+        res.status(400).send({ message: 'Cannot find jwt auth cookie.' })
+        return;
+    }
+
+    try {
+        jwt.verify(token, getJwtSecret())
+    } catch (error) {
+        res.status(400).send({ message: 'Incorrect JWT.', error })
+        return;
+    }
+
+    next()
+}
+
+appRouter.get('/', authMiddleware, async (req, res, next) => {
     res.send({ code: 200, message: "SnippetsManager v1.0" })
 })
 
+appRouter.use(userRouter)
+app.use('/v1/', appRouter)
+
 app.listen(port, () => console.log(`Listening on port ${port}`))