Implementar modulo de Auth

backend/src/modules/auth/auth.middleware.ts

@@ -0,0 +1,43 @@
+import  { Request, Response, NextFunction } from "express";
+import  jwt from "jsonwebtoken";
+
+export const authMiddleware = (
+    req:Request,
+    res:Response,
+    next:NextFunction
+) => {
+
+    const authHeader = req.headers.authorization;
+
+    if(!authHeader){
+        return res.status(401).json({
+            message:"Token requerido"
+        });
+    }
+
+    const token = authHeader.split(" ")[1];
+
+    if (!token)
+    {
+        return res.status(401).json({
+            message:"Token invalido"
+        });
+    }
+
+    try {
+
+        const decoded = jwt.verify (
+            token,
+            process.env.JWT_SECRET as string,
+        );
+
+        (req as any).user = 
+        decoded;
+
+        next();
+    } catch{
+        return res.status(401).json({
+            message:"Token invalido"
+        });
+    }
+};