1 files changed, 74 insertions, 0 deletions
diff --git a/src/gateway/events/Message.ts b/src/gateway/events/Message.ts
new file mode 100644
index 00000000..db7dbad2
--- /dev/null
+++ b/src/gateway/events/Message.ts
@@ -0,0 +1,74 @@
+import { CLOSECODES, OPCODES } from "../util/Constants";
+import { WebSocket, Payload } from "@fosscord/gateway";
+var erlpack: any;
+try {
+	erlpack = require("@yukikaze-bot/erlpack");
+} catch (error) { }
+import OPCodeHandlers from "../opcodes";
+import { Tuple } from "lambert-server";
+import { check } from "../opcodes/instanceOf";
+import WS from "ws";
+import BigIntJson from "json-bigint";
+import * as Sentry from "@sentry/node";
+const bigIntJson = BigIntJson({ storeAsString: true });
+
+const PayloadSchema = {
+	op: Number,
+	$d: new Tuple(Object, Number), // or number for heartbeat sequence
+	$s: Number,
+	$t: String,
+};
+
+export async function Message(this: WebSocket, buffer: WS.Data) {
+	// TODO: compression
+	var data: Payload;
+
+	if (this.encoding === "etf" && buffer instanceof Buffer)
+		data = erlpack.unpack(buffer);
+	else if (this.encoding === "json" && buffer instanceof Buffer) {
+		if (this.inflate) {
+			try {
+				buffer = this.inflate.process(buffer) as any;
+			} catch {
+				buffer = buffer.toString() as any;
+			}
+		}
+		data = bigIntJson.parse(buffer as string);
+	}
+	else if (typeof buffer == "string") {
+		data = bigIntJson.parse(buffer as string)
+	}
+	else return;
+
+	check.call(this, PayloadSchema, data);
+
+	// @ts-ignore
+	const OPCodeHandler = OPCodeHandlers[data.op];
+	if (!OPCodeHandler) {
+		console.error("[Gateway] Unkown opcode " + data.op);
+		// TODO: if all opcodes are implemented comment this out:
+		// this.close(CLOSECODES.Unknown_opcode);
+		return;
+	}
+
+	// const transaction = Sentry.startTransaction({
+	// 	op: OPCODES[data.op],
+	// 	name: `GATEWAY ${OPCODES[data.op]}`,
+	// 	data: {
+	// 		...data.d,
+	// 		token: data?.d?.token ? "[Redacted]" : undefined,
+	// 	},
+	// });
+
+	try {
+		var ret = await OPCodeHandler.call(this, data);
+		// transaction.finish();
+		return ret;
+	} catch (error) {
+		Sentry.captureException(error);
+		// transaction.finish();
+		console.error(`Error: Op ${data.op}`, error);
+		// if (!this.CLOSED && this.CLOSING)
+		return this.close(CLOSECODES.Unknown_error);
+	}
+}