done with middleware auth check

package-lock.json

@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "bcryptjs": "^2.4.3",
+        "cookie-parser": "^1.4.6",
         "dotenv": "^16.1.4",
         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.0",
@@ -18,6 +19,7 @@
       },
       "devDependencies": {
         "@types/bcryptjs": "^2.4.2",
+        "@types/cookie-parser": "^1.4.3",
         "@types/express": "^4.17.17",
         "@types/jsonwebtoken": "^9.0.2"
       }
@@ -47,6 +49,15 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/cookie-parser": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/@types/cookie-parser/-/cookie-parser-1.4.3.tgz",
+      "integrity": "sha512-CqSKwFwefj4PzZ5n/iwad/bow2hTCh0FlNAeWLtQM3JA/NX/iYagIpWG2cf1bQKQ2c9gU2log5VUCrn7LDOs0w==",
+      "dev": true,
+      "dependencies": {
+        "@types/express": "*"
+      }
+    },
     "node_modules/@types/express": {
       "version": "4.17.17",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.17.tgz",
@@ -242,6 +253,26 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/cookie-parser": {
+      "version": "1.4.6",
+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.6.tgz",
+      "integrity": "sha512-z3IzaNjdwUC2olLIB5/ITd0/setiaFMLYiZJle7xg5Fe9KWAceil7xszYfHHBtDFYLSgJduS2Ty0P1uJdPDJeA==",
+      "dependencies": {
+        "cookie": "0.4.1",
+        "cookie-signature": "1.0.6"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/cookie-parser/node_modules/cookie": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",

package.json

@@ -10,6 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "bcryptjs": "^2.4.3",
+    "cookie-parser": "^1.4.6",
     "dotenv": "^16.1.4",
     "express": "^4.18.2",
     "jsonwebtoken": "^9.0.0",
@@ -18,6 +19,7 @@
   },
   "devDependencies": {
     "@types/bcryptjs": "^2.4.2",
+    "@types/cookie-parser": "^1.4.3",
     "@types/express": "^4.17.17",
     "@types/jsonwebtoken": "^9.0.2"
   }

src/controllers/UserController.ts

@@ -1,7 +1,10 @@
-import { Request, Response } from 'express';
+import express, { Request, Response } from 'express';
 import bcrypt from 'bcryptjs';
 import jwt from 'jsonwebtoken';
 import { User, IUser } from '../models/User';
+import { clearJwtCookie, setJwtCookie } from '../middlewares/checkAuth';
+
+const app = express();
 
 export async function createUser(req: Request, res: Response) {
   try {
@@ -33,18 +36,35 @@ export async function login(req: Request, res: Response) {
     }
 
     // Compare the provided password with the stored password
-    const isPasswordValid = await bcrypt.compare(password, user.password);
-    if (!isPasswordValid) {
+    const isPasswordCorrect = await bcrypt.compare(password, user.password);
+    if (!isPasswordCorrect) {
       return res.status(401).json({ error: 'Invalid email or password' });
     }
 
+    const payload = {
+      userId: user._id
+    }
     // Generate a JWT
-    const token = jwt.sign({ userId: user._id }, process.env.JWT_SECRET as string);
+    const token = jwt.sign(payload, process.env.JWT_SECRET as string, { expiresIn: '1d' });
+
+    setJwtCookie(res, token);
 
     // Send the JWT as the response
-    res.json({ token });
+    res.status(200).json({
+      username: user.firstName
+    });
   } catch (error) {
     console.error('Error during login:', error);
     res.status(500).json({ error: 'An error occurred during login' });
   }
+}
+
+export async function logout(req: Request, res: Response) {
+  try {
+    clearJwtCookie(res);
+    res.status(200).json({ message: 'Logout successful' });
+  } catch (error) {
+    console.error('Error during logout:', error);
+    res.status(500).json({ error: 'An error occurred during logout' });
+  }
 }

src/index.ts

@@ -1,10 +1,9 @@
 import express from 'express';
 import mongoose from 'mongoose';
+import cookieParser from 'cookie-parser';
 
 import userRouter from './routes/user';
-import ProductrRouter from './routes/product';
-
-import { authenticateToken } from './middlewares/authMiddleware';
+import productRouter from './routes/product';
 
 const env = require('dotenv').config().parsed;
 
@@ -12,7 +11,7 @@ const app = express();
 const PORT = 3000;
 
 app.use(express.json());
-app.use(authenticateToken);
+app.use(cookieParser())
 
 
 // Connect to MongoDB using Mongoose
@@ -28,7 +27,7 @@ db.once('open', () => {
 
 // Routes
 app.use('/users', userRouter);
-app.use('/products', ProductrRouter);
+app.use('/products', productRouter);
 
 // Start server
 app.listen(PORT, () => { 

src/middlewares/authMiddleware.ts

@@ -1,37 +0,0 @@
-import { Request, Response, NextFunction } from 'express';
-import jwt, { JwtPayload } from 'jsonwebtoken';
-
-interface AuthenticatedRequest extends Request {
-  user?: JwtPayload | string;
-}
-
-const exceptionRoutes: string[] = ['/users/login', '/users'];
-
-// Middleware function to authenticate requests
-export function authenticateToken(req: AuthenticatedRequest, res: Response, next: NextFunction) {
-  const authHeader = req.headers['authorization'];
-  const token = authHeader && authHeader.split(' ')[1];
-
-  if(token) {
-    console.log('token', token);
-  } 
-
-  if (!token && exceptionRoutes.includes(req.route)) {
-    return res.sendStatus(401); // Unauthorized
-  }
-
-  if (!exceptionRoutes.includes(req.route)) {
-    // Skip authentication for exception routes
-    return next();
-  }
-
-  jwt.verify(token as string, process.env.JWT_SECRET as string, (err, user) => {
-    if (err) {
-      return res.sendStatus(403); // Forbidden
-    }
-
-    // Store the authenticated user in the request object
-    req.user = user as JwtPayload | string;
-    next();
-  });
-}

src/middlewares/checkAuth.ts

@@ -0,0 +1,34 @@
+import express, { Request, Response, NextFunction } from 'express';
+import jwt, { JwtPayload } from 'jsonwebtoken';
+import cookieParser from 'cookie-parser';
+
+interface AuthenticatedRequest extends Request {
+  userId?: string;
+}
+
+// Middleware function to authenticate requests
+export function authenticateToken(req: AuthenticatedRequest, res: Response, next: NextFunction) {
+
+  const token = req.cookies.access_token;
+  if (!token) {
+    return res.status(401).json({ error: 'Unauthorized' });
+  }
+
+  const user_id = jwt.verify(token, process.env.JWT_SECRET as string, (err, decoded) => {
+    if (err) {
+      return res.status(401).json({ error: 'In Valid Token' });
+    }
+    req.userId = decoded.userId;
+    next();
+  });
+}
+
+// Set JWT as cookie in the response
+export function setJwtCookie(res: Response, token: string) {
+  res.cookie('access_token', token, { httpOnly: true });
+}
+
+// Clear JWT cookie in the response
+export function clearJwtCookie(res: Response) {
+  res.clearCookie('access_token');
+}

src/routes/product.ts

@@ -1,9 +1,10 @@
 import express from 'express';
+import { authenticateToken } from '../middlewares/checkAuth';
 
-const ProductrRouter = express.Router();
+const productRouter = express.Router();
 
-ProductrRouter.post('/', (req, res) => {
+productRouter.post('/', authenticateToken, (req, res) => {
   res.send('Create product');
 })
 
-export default ProductrRouter;
+export default productRouter;

src/routes/user.ts

@@ -1,9 +1,10 @@
 import express from 'express';
-import { createUser, login } from '../controllers/UserController';
+import { createUser, login, logout } from '../controllers/UserController';
 
 const userRouter = express.Router();
 
 userRouter.post('/', createUser);
 userRouter.post('/login', login);
+userRouter.post('/logout', logout);
 
 export default userRouter;