1 files changed, 8 insertions, 1 deletions
diff --git a/src/events/Connection.ts b/src/events/Connection.ts
index 96c7c441..473c992c 100644
--- a/src/events/Connection.ts
+++ b/src/events/Connection.ts
@@ -6,6 +6,10 @@ import { setHeartbeat } from "../util/setHeartbeat";
import { Send } from "../util/Send";
import { CLOSECODES, OPCODES } from "../util/Constants";
import { createDeflate } from "zlib";
+var erlpack: any;
+try {
+ erlpack = require("erlpack");
+} catch (error) {}
// TODO: check rate limit
// TODO: specify rate limit in config
@@ -19,7 +23,10 @@ export async function Connection(this: Server, socket: WebSocket, request: Incom
const { searchParams } = new URL(`http://localhost${request.url}`);
// @ts-ignore
socket.encoding = searchParams.get("encoding") || "json";
- if (!["json", "etf"].includes(socket.encoding)) return socket.close(CLOSECODES.Decode_error);
+ if (!["json", "etf"].includes(socket.encoding)) {
+ if (socket.encoding === "etf" && erlpack) throw new Error("Erlpack is not installed: 'npm i -D erlpack'");
+ return socket.close(CLOSECODES.Decode_error);
+ }
// @ts-ignore
socket.version = Number(searchParams.get("version")) || 8;
|
