Refactor to mono-repo + upgrade packages

3 files changed, 107 insertions, 0 deletions

diff --git a/src/webrtc/events/Close.ts b/src/webrtc/events/Close.ts
new file mode 100644
index 00000000..1c203653
--- /dev/null
+++ b/src/webrtc/events/Close.ts
@@ -0,0 +1,9 @@
+import { WebSocket } from "@fosscord/gateway";
+import { Session } from "@fosscord/util";
+
+export async function onClose(this: WebSocket, code: number, reason: string) {
+	console.log("[WebRTC] closed", code, reason.toString());
+
+	if (this.session_id) await Session.delete({ session_id: this.session_id });
+	this.removeAllListeners();
+}
\ No newline at end of file
diff --git a/src/webrtc/events/Connection.ts b/src/webrtc/events/Connection.ts
new file mode 100644
index 00000000..bf228d64
--- /dev/null
+++ b/src/webrtc/events/Connection.ts
@@ -0,0 +1,60 @@
+import { CLOSECODES, Send, setHeartbeat, WebSocket } from "@fosscord/gateway";
+import { IncomingMessage } from "http";
+import { URL } from "url";
+import WS from "ws";
+import { VoiceOPCodes } from "../util";
+import { onClose } from "./Close";
+import { onMessage } from "./Message";
+var erlpack: any;
+try {
+	erlpack = require("@yukikaze-bot/erlpack");
+} catch (error) {}
+
+// TODO: check rate limit
+// TODO: specify rate limit in config
+// TODO: check msg max size
+
+export async function Connection(this: WS.Server, socket: WebSocket, request: IncomingMessage) {
+	try {
+		socket.on("close", onClose.bind(socket));
+		socket.on("message", onMessage.bind(socket));
+		console.log("[WebRTC] new connection", request.url);
+
+		if (process.env.WS_LOGEVENTS) {
+			[
+				"close",
+				"error",
+				"upgrade",
+				//"message",
+				"open",
+				"ping",
+				"pong",
+				"unexpected-response"
+			].forEach((x) => {
+				socket.on(x, (y) => console.log("[WebRTC]", x, y));
+			});
+		}
+
+		const { searchParams } = new URL(`http://localhost${request.url}`);
+
+		socket.encoding = "json";
+		socket.version = Number(searchParams.get("v")) || 5;
+		if (socket.version < 3) return socket.close(CLOSECODES.Unknown_error, "invalid version");
+
+		setHeartbeat(socket);
+
+		socket.readyTimeout = setTimeout(() => {
+			return socket.close(CLOSECODES.Session_timed_out);
+		}, 1000 * 30);
+
+		await Send(socket, {
+			op: VoiceOPCodes.HELLO,
+			d: {
+				heartbeat_interval: 1000 * 30
+			}
+		});
+	} catch (error) {
+		console.error("[WebRTC]", error);
+		return socket.close(CLOSECODES.Unknown_error);
+	}
+}
\ No newline at end of file
diff --git a/src/webrtc/events/Message.ts b/src/webrtc/events/Message.ts
new file mode 100644
index 00000000..8f75a815
--- /dev/null
+++ b/src/webrtc/events/Message.ts
@@ -0,0 +1,38 @@
+import { CLOSECODES, Payload, WebSocket } from "@fosscord/gateway";
+import { Tuple } from "lambert-server";
+import OPCodeHandlers from "../opcodes";
+import { VoiceOPCodes } from "../util";
+
+const PayloadSchema = {
+	op: Number,
+	$d: new Tuple(Object, Number), // or number for heartbeat sequence
+	$s: Number,
+	$t: String
+};
+
+export async function onMessage(this: WebSocket, buffer: Buffer) {
+	try {
+		var data: Payload = JSON.parse(buffer.toString());
+		if (data.op !== VoiceOPCodes.IDENTIFY && !this.user_id) return this.close(CLOSECODES.Not_authenticated);
+
+		// @ts-ignore
+		const OPCodeHandler = OPCodeHandlers[data.op];
+		if (!OPCodeHandler) {
+			// @ts-ignore
+			console.error("[WebRTC] Unkown opcode " + VoiceOPCodes[data.op]);
+			// TODO: if all opcodes are implemented comment this out:
+			// this.close(CloseCodes.Unknown_opcode);
+			return;
+		}
+
+		if (![VoiceOPCodes.HEARTBEAT, VoiceOPCodes.SPEAKING].includes(data.op as VoiceOPCodes)) {
+			// @ts-ignore
+			console.log("[WebRTC] Opcode " + VoiceOPCodes[data.op]);
+		}
+
+		return await OPCodeHandler.call(this, data);
+	} catch (error) {
+		console.error("[WebRTC] error", error);
+		// if (!this.CLOSED && this.CLOSING) return this.close(CloseCodes.Unknown_error);
+	}
+}
\ No newline at end of file