first commit

server/middleware/auth.js

@@ -0,0 +1,26 @@
+import jwt from 'jsonwebtoken';
+
+export const authenticate = (req, res, next) => {
+  const token = req.headers.authorization?.split(' ')[1];
+  
+  if (!token) {
+    return res.status(401).json({ error: 'No token provided' });
+  }
+
+  try {
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+    req.user = decoded;
+    next();
+  } catch (err) {
+    res.status(401).json({ error: 'Invalid token' });
+  }
+};
+
+export const authorize = (roles = []) => {
+  return (req, res, next) => {
+    if (!roles.includes(req.user.role)) {
+      return res.status(403).json({ error: 'Access denied' });
+    }
+    next();
+  };
+};