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kick players when intents too large

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This commit is contained in:
evanpelle
2026-03-13 18:44:18 -07:00
parent d4321ba81f
commit 2741e315e0
1 changed files with 6 additions and 3 deletions
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src/server/GameServer.ts
+6 -3
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@@ -35,6 +35,7 @@ export enum GamePhase {
const KICK_REASON_DUPLICATE_SESSION = "kick_reason.duplicate_session";
const KICK_REASON_LOBBY_CREATOR = "kick_reason.lobby_creator";
const KICK_REASON_RATE_LIMIT = "kick_reason.rate_limit";
export class GameServer {
private sentDesyncMessageClients = new Set<ClientID>();
@@ -314,11 +315,13 @@ export class GameServer {
client.ws.removeAllListeners("message");
client.ws.on("message", async (message: string) => {
try {
if (Buffer.byteLength(message, "utf8") > 1024) {
this.log.warn(`Intent message too large, dropping`, {
const bytes = Buffer.byteLength(message, "utf8");
if (bytes > 2000) {
this.log.warn(`Intent message too large, kicking client`, {
clientID: client.clientID,
bytes: Buffer.byteLength(message, "utf8"),
bytes,
});
this.kickClient(client.clientID, KICK_REASON_RATE_LIMIT);
return;
}
const parsed = ClientMessageSchema.safeParse(JSON.parse(message));