1 files changed, 60 insertions, 0 deletions
diff --git a/src/webrtc/opcodes/Identify.ts b/src/webrtc/opcodes/Identify.ts
new file mode 100644
index 00000000..19a575ab
--- /dev/null
+++ b/src/webrtc/opcodes/Identify.ts
@@ -0,0 +1,60 @@
+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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