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import { CLOSECODES, Payload, Send, WebSocket } from "@fosscord/gateway";
import {
validateSchema,
VoiceIdentifySchema,
VoiceState,
} from "@fosscord/util";
import { endpoint, getClients, VoiceOPCodes, PublicIP } from "@fosscord/webrtc";
import SemanticSDP from "semantic-sdp";
const defaultSDP = require("./sdp.json");
export async function onIdentify(this: WebSocket, data: Payload) {
clearTimeout(this.readyTimeout);
const { server_id, user_id, session_id, token, streams, video } =
validateSchema("VoiceIdentifySchema", data.d) as VoiceIdentifySchema;
const voiceState = await VoiceState.findOne({
where: { guild_id: server_id, user_id, token, session_id },
});
if (!voiceState) return this.close(CLOSECODES.Authentication_failed);
this.user_id = user_id;
this.session_id = session_id;
const sdp = SemanticSDP.SDPInfo.expand(defaultSDP);
sdp.setDTLS(
SemanticSDP.DTLSInfo.expand({
setup: "actpass",
hash: "sha-256",
fingerprint: endpoint.getDTLSFingerprint(),
}),
);
this.client = {
websocket: this,
out: {
tracks: new Map(),
},
in: {
audio_ssrc: 0,
video_ssrc: 0,
rtx_ssrc: 0,
},
sdp,
channel_id: voiceState.channel_id,
};
const clients = getClients(voiceState.channel_id)!;
clients.add(this.client);
this.on("close", () => {
clients.delete(this.client!);
});
await Send(this, {
op: VoiceOPCodes.READY,
d: {
streams: [
// { type: "video", ssrc: this.ssrc + 1, rtx_ssrc: this.ssrc + 2, rid: "100", quality: 100, active: false }
],
ssrc: -1,
port: endpoint.getLocalPort(),
modes: [
"aead_aes256_gcm_rtpsize",
"aead_aes256_gcm",
"xsalsa20_poly1305_lite_rtpsize",
"xsalsa20_poly1305_lite",
"xsalsa20_poly1305_suffix",
"xsalsa20_poly1305",
],
ip: PublicIP,
experiments: [],
},
});
}
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