feat: better colab

server.js

@@ -8,9 +8,36 @@ const app = express();
 const server = http.createServer(app);
 const io = new Server(server);
 
+const eventTimestamps = {};
+const EVENT_LIMIT = 100; // Max events per second per user
+const TIME_FRAME = 1000; // 1 second in milliseconds
+
 io.on('connection', (socket) => {
   console.log('a user connected');
 
+  // Middleware to check for event spamming
+  socket.use((packet, next) => {
+    const userId = socket.id;
+    const eventName = packet[0];
+    const now = Date.now();
+
+    if (!eventTimestamps[userId]) {
+      eventTimestamps[userId] = [];
+    }
+
+    // Remove timestamps older than the time frame
+    eventTimestamps[userId] = eventTimestamps[userId].filter(ts => now - ts < TIME_FRAME);
+
+    // Check if the user has exceeded the event limit
+    if (eventTimestamps[userId].length >= EVENT_LIMIT) {
+      console.warn(`User ${userId} is sending too many events (${eventName}). Throttling.`);
+      return next(new Error('Too many events'));
+    }
+
+    eventTimestamps[userId].push(now);
+    next();
+  });
+
   socket.on('join', (room) => {
     socket.join(room);
     console.log(`User joined room: ${room}`);