Initial commit

server/middleware/authMiddleware.js

@@ -0,0 +1,43 @@
+const jwt = require('jsonwebtoken');
+const User = require('../models/User');
+const { errorResponse } = require('../utils/apiResponse');
+
+const protect = async (req, res, next) => {
+  let token;
+
+  if (req.headers.authorization && req.headers.authorization.startsWith('Bearer')) {
+    token = req.headers.authorization.split(' ')[1];
+  }
+
+  if (!token) {
+    return errorResponse(res, 'Not authorized to access this route', [], 401);
+  }
+
+  try {
+    const decoded = jwt.verify(token, process.env.JWT_SECRET || 'guitar_ecommerce_super_secret_jwt_key_2026');
+    req.user = await User.findById(decoded.id).select('-password');
+    if (!req.user) {
+      return errorResponse(res, 'User account no longer exists', [], 401);
+    }
+    next();
+  } catch (error) {
+    return errorResponse(res, 'Not authorized, token failed or expired', [], 401);
+  }
+};
+
+const authorize = (...roles) => {
+  return (req, res, next) => {
+    if (!req.user || !roles.includes(req.user.role)) {
+      return errorResponse(
+        res,
+        `User role '${req.user ? req.user.role : 'Guest'}' is not authorized to access this resource`,
+        [],
+        403
+      );
+    }
+    next();
+  };
+};
+
+module.exports = { protect, authorize };
+