major functionalities are fixed

apps/Backend/src/middlewares/auth.middleware.ts

@@ -0,0 +1,26 @@
+import jwt from 'jsonwebtoken';
+import { Request, Response, NextFunction } from 'express';
+
+const JWT_SECRET = process.env.JWT_SECRET || 'your-jwt-secret'; // Secret used for signing JWTs
+
+export function authenticateJWT(req: Request, res: Response, next: NextFunction): void{
+
+  // Check the Authorization header for the Bearer token
+  const token = req.header('Authorization')?.split(' ')[1]; // Extract token from Authorization header
+
+  if (!token) {
+    res.status(401).send("Access denied. No token provided.");
+    return;
+  }
+
+  // Verify JWT
+  jwt.verify(token, JWT_SECRET, (err, decoded) => {
+    if (err) {
+      return res.status(403).send("Forbidden. Invalid token.");
+    }
+
+    // Attach the decoded user data to the request object
+    req.user = decoded as Express.User;
+    next(); // Proceed to the next middleware or route handler
+  });
+}