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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
import { Server as WebSocketServer } from "ws";
import { WebSocket, CLOSECODES } from "@fosscord/gateway";
import { Config, initDatabase } from "@fosscord/util";
import OPCodeHandlers, { Payload } from "./opcodes";
import { setHeartbeat } from "./util";
import * as mediasoup from "mediasoup";
import { types as MediasoupTypes } from "mediasoup";
import udp from "dgram";
import sodium from "libsodium-wrappers";
var port = Number(process.env.PORT);
if (isNaN(port)) port = 3004;
export class Server {
public ws: WebSocketServer;
public mediasoupWorkers: MediasoupTypes.Worker[] = [];
public mediasoupRouters: MediasoupTypes.Router[] = [];
public mediasoupTransports: MediasoupTypes.WebRtcTransport[] = [];
public mediasoupProducers: MediasoupTypes.Producer[] = [];
public mediasoupConsumers: MediasoupTypes.Consumer[] = [];
public testUdp = udp.createSocket("udp6");
constructor() {
this.ws = new WebSocketServer({
port,
maxPayload: 4096,
});
this.ws.on("connection", async (socket: WebSocket) => {
await setHeartbeat(socket);
socket.on("message", async (message: string) => {
const payload: Payload = JSON.parse(message);
if (OPCodeHandlers[payload.op])
try {
await OPCodeHandlers[payload.op].call(this, socket, payload);
}
catch (e) {
console.error(e);
socket.close(CLOSECODES.Unknown_error);
}
else {
console.error(`Unimplemented`, payload);
socket.close(CLOSECODES.Unknown_opcode);
}
});
});
this.testUdp.bind(50001);
this.testUdp.on("message", (msg, rinfo) => {
//random key from like, the libsodium examples on npm lol
const decryptKey = sodium.from_hex("724b092810ec86d7e35c9d067702b31ef90bc43a7b598626749914d6a3e033ed");
//give me my remote port?
if (sodium.to_hex(msg) == "0001004600000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000") {
this.testUdp.send(Buffer.from([rinfo.port, 0]), rinfo.port, rinfo.address);
console.log(`got magic packet to send remote port? ${rinfo.address}:${rinfo.port}`);
return;
}
//Hello
if (sodium.to_hex(msg) == "0100000000000000") {
console.log(`[UDP] client helloed`);
return;
}
const nonce = Buffer.concat([msg.slice(-4), Buffer.from("\x00".repeat(20))]);
console.log(`[UDP] nonce for this message: ${nonce}`);
console.log(sodium.to_hex(msg));
if (sodium.to_hex(msg).indexOf("80c8000600000001") == 0) {
//call status
const encrypted = msg.slice(8, -4);
const currentPacket = msg.slice(-4);
console.log(`[UDP] Current packet: ${currentPacket}`);
try {
console.log(`[UDP] Encrypted bytes: ${encrypted.toString("base64")}`);
const decrypted = sodium.crypto_secretbox_open_easy(encrypted, nonce, decryptKey);
console.log("[UDP] [ call status ]" + decrypted);
}
catch (e) {
console.error(`[UDP] decrypt failure\n${e}\n${encrypted.toString("base64")}`);
}
return;
}
try {
const decrypted = sodium.crypto_secretbox_open_easy(msg, nonce, decryptKey);
console.log("[UDP] " + decrypted);
}
catch (e) {
console.error(`[UDP] decrypt failure\n${e}\n${msg.toString("base64")}`);
}
});
}
async listen(): Promise<void> {
// @ts-ignore
await initDatabase();
await Config.init();
//await this.createWorkers();
console.log("[DB] connected");
console.log(`[WebRTC] online on 0.0.0.0:${port}`);
}
async createWorkers(): Promise<void> {
const numWorkers = 1;
for (let i = 0; i < numWorkers; i++) {
const worker = await mediasoup.createWorker({ logLevel: "debug", logTags: ["dtls", "ice", "info", "message", "bwe"] });
if (!worker) return;
worker.on("died", () => {
console.error("mediasoup worker died");
});
worker.observer.on("newrouter", async (router: MediasoupTypes.Router) => {
console.log("new router created [id:%s]", router.id);
this.mediasoupRouters.push(router);
router.observer.on("newtransport", async (transport: MediasoupTypes.WebRtcTransport) => {
console.log("new transport created [id:%s]", transport.id);
await transport.enableTraceEvent();
transport.on('dtlsstatechange', (dtlsstate) => {
console.log(dtlsstate);
});
transport.on("sctpstatechange", (sctpstate) => {
console.log(sctpstate);
});
router.observer.on("newrtpobserver", (rtpObserver: MediasoupTypes.RtpObserver) => {
console.log("new RTP observer created [id:%s]", rtpObserver.id);
// rtpObserver.observer.on("")
});
transport.on("connect", () => {
console.log("transport connect");
});
transport.observer.on("newproducer", (producer: MediasoupTypes.Producer) => {
console.log("new producer created [id:%s]", producer.id);
this.mediasoupProducers.push(producer);
});
transport.observer.on("newconsumer", (consumer: MediasoupTypes.Consumer) => {
console.log("new consumer created [id:%s]", consumer.id);
this.mediasoupConsumers.push(consumer);
consumer.on("rtp", (rtpPacket) => {
console.log(rtpPacket);
});
});
transport.observer.on("newdataproducer", (dataProducer) => {
console.log("new data producer created [id:%s]", dataProducer.id);
});
transport.on("trace", (trace) => {
console.log(trace);
});
this.mediasoupTransports.push(transport);
});
});
await worker.createRouter({
mediaCodecs: [
{
kind: "audio",
mimeType: "audio/opus",
clockRate: 48000,
channels: 2,
preferredPayloadType: 111,
},
],
});
this.mediasoupWorkers.push(worker);
}
}
}
|
