- aggiunto componenti per Home Template... ma ancora da provare

- sistemato catprods
- Sistemato menu

src/server/middleware/asyncHandler.js

@@ -0,0 +1,6 @@
+// @ts-check
+const ah = (fn) => (req, res, next) =>
+  Promise.resolve(fn(req, res, next)).catch((err) => next(err));
+
+
+module.exports = { ah };

src/server/middleware/error.js

@@ -0,0 +1,13 @@
+// @ts-check
+function notFound(_req, res) {
+  res.status(404).json({ message: 'Not Found' });
+}
+
+function errorHandler(err, _req, res, _next) {
+  const status = err.status || 500;
+  const message = err.message || 'Server Error';
+  if (status >= 500) console.error(err);
+  res.status(status).json({ message });
+}
+
+module.exports = { notFound, errorHandler };

src/server/middleware/rateLimit.js

@@ -0,0 +1,21 @@
+// @ts-check
+const buckets = new Map();
+/** 10 secondi */
+const WINDOW_MS = 10_000;
+const LIMIT = 100;
+
+function rateLimit(req, res, next) {
+  const key = req.ip || 'global';
+  const now = Date.now();
+  const bucket = buckets.get(key) || { count: 0, ts: now };
+  if (now - bucket.ts > WINDOW_MS) {
+    bucket.count = 0;
+    bucket.ts = now;
+  }
+  bucket.count++;
+  buckets.set(key, bucket);
+  if (bucket.count > LIMIT) return res.status(429).json({ message: 'Troppo traffico, riprova tra poco.' });
+  next();
+}
+
+module.exports = { rateLimit };