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backend/gateway: enforce d field to be a single numeric 0 for ping payloads

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This commit is contained in:
hippoz 2022-04-14 21:32:52 +03:00
parent 538717cfc9
commit bf5e4f554e
Signed by: hippoz
GPG key ID: 7C52899193467641
1 changed files with 5 additions and 1 deletions
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6
src/gateway/index.ts
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@ -216,7 +216,11 @@ export default function(server: Server) {
break;
}
case GatewayPayloadType.Ping: {
// TODO: also check session here and ensure packet is sent at the right time
if (payload.d !== 0) {
return closeWithBadPayload(ws, "d: expected numeric '0'");
}
// TODO: also check session here
ws.state.alive = true;
break;
}