server/server.js

@@ -5,7 +5,6 @@ const fs = require('fs');
 const objectsModule = require('./objects');
 
 
-
 const options = {
     cert: fs.readFileSync("/home/ubuntu/servers/keys/gta6/cert.pem"),
     key: fs.readFileSync("/home/ubuntu/servers/keys/gta6/privkey.pem")
@@ -76,10 +75,28 @@ function createNewPlayer(socket, name) {
   connections.add(socket);
 }
 
+function kick_player(player_id, socket, reason){
+  //send cheating info to all players
+  broadcast(JSON.stringify({
+    type: "kick",
+    data: {
+      player_id: player_id,
+      reason: reason
+    }
+  })); 
+  deletePlayer(socket); //delete player of players list
+  socket.terminate(); //disconnect cheating player
+}
+
 function update(message, socket){
   for (var i = players.length - 1; i >= 0; i--) {
-    if (players[i].id == message.data.id) {
-      players[i] = message.data;
+    if(message.data.health <= MAX_HEALTH) {
+      if (players[i].id == message.data.id) {
+        players[i] = message.data;
+      }
+    }else{
+      //cheat detected
+      kick_player(message.data.id, socket, "health cheat");
     }
   }
   broadcast(JSON.stringify(message), socket.id);