integration of authentication

agent/middleware/validateToken.js

@@ -0,0 +1,25 @@
+const { Key } = require("../.Key.js");
+
+const validateInternToken = () => {    
+    return (req, res, next) => {    
+        const token = req.headers['authorization']; 
+        console.log(`Token provided: ${token}`);
+
+        if (!token) {
+            console.log("No token provided");
+            return res.status(403).send({ message: 'No token provided.' });
+        }
+
+        console.log(`Expected token: ${Key.internToken}`);
+
+        if (token === Key.internToken) {
+            console.log("Token valid, calling next()");
+            next();
+        } else {
+            console.log("Unauthorized access attempt");
+            return res.status(401).send({ message: 'Unauthorized.' });
+        }
+    }
+}
+
+module.exports = { validateInternToken };