From 471d1d6b28f8a6b62680408756e389e8a0b71be0 Mon Sep 17 00:00:00 2001
From: Flam3rboy <34555296+Flam3rboy@users.noreply.github.com>
Date: Sat, 6 Feb 2021 17:08:08 +0100
Subject: :sparkles: Base Server

---
 src/events/Connection.ts | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/events/Connection.ts

(limited to 'src/events/Connection.ts')

diff --git a/src/events/Connection.ts b/src/events/Connection.ts
new file mode 100644
index 00000000..815d84cf
--- /dev/null
+++ b/src/events/Connection.ts
@@ -0,0 +1,46 @@
+import WebSocket, { Server } from "../util/WebSocket";
+import { IncomingMessage } from "http";
+import { Close } from "./Close";
+import { Message } from "./Message";
+import { setHeartbeat } from "../util/setHeartbeat";
+import { Send } from "../util/Send";
+import { CLOSECODES, OPCODES } from "../util/Constants";
+
+// TODO: check rate limit
+// TODO: specify rate limit in config
+
+export function Connection(this: Server, socket: WebSocket, request: IncomingMessage) {
+	try {
+		socket.on("close", Close);
+		socket.on("message", Message);
+
+		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);
+
+		// @ts-ignore
+		socket.version = Number(searchParams.get("version")) || 8;
+		if (socket.version != 8) return socket.close(CLOSECODES.Invalid_API_version);
+
+		// @ts-ignore
+		socket.compression = searchParams.get("compress") || "";
+		// TODO: compression
+
+		setHeartbeat(socket);
+
+		Send(socket, {
+			op: OPCODES.Hello,
+			d: {
+				heartbeat_interval: 1000 * 30,
+			},
+		});
+
+		socket.readyTimeout = setTimeout(() => {
+			return socket.close(CLOSECODES.Session_timed_out);
+		}, 1000 * 30);
+	} catch (error) {
+		console.error(error);
+		return socket.close(CLOSECODES.Unknown_error);
+	}
+}
-- 
cgit 1.5.1