blob: 0c4dd2b880b94f4f21e6d63197ec7146a1310e62 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
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 async 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);
await 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);
}
}
|
