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import { WebSocket, Payload, CLOSECODES, OPCODES } from "@fosscord/gateway";
import OPCodeHandlers from "../opcodes";
import { check } from "../opcodes/instanceOf";
import WS from "ws";
import { PayloadSchema } from "@fosscord/util";
import * as Sentry from "@sentry/node";
import BigIntJson from "json-bigint";
const bigIntJson = BigIntJson({ storeAsString: true });
var erlpack: any;
try {
erlpack = require("@yukikaze-bot/erlpack");
} catch (error) { }
export async function Message(this: WebSocket, buffer: WS.Data) {
// TODO: compression
var data: Payload;
if ((buffer instanceof Buffer && buffer[0] === 123) || // ASCII 123 = `{`. Bad check for JSON
(typeof buffer === "string")) {
data = bigIntJson.parse(buffer.toString());
}
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 (this.encoding === "etf" && buffer instanceof Buffer) {
try { data = erlpack.unpack(buffer); }
catch { return this.close(CLOSECODES.Decode_error); }
}
else return this.close(CLOSECODES.Decode_error);
if (process.env.WS_VERBOSE) console.log(`[Websocket] Incomming message: ${JSON.stringify(data)}`);
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 = data.op != 1 ? Sentry.startTransaction({
op: OPCODES[data.op],
name: `GATEWAY ${OPCODES[data.op]}`,
data: {
...data.d,
token: data?.d?.token ? "[Redacted]" : undefined,
},
}) : undefined;
try {
var ret = await OPCodeHandler.call(this, data);
Sentry.withScope((scope) => {
scope.setSpan(transaction);
scope.setUser({ id: this.user_id });
transaction?.finish();
});
return ret;
} catch (error) {
Sentry.withScope((scope) => {
scope.setSpan(transaction);
if (this.user_id) scope.setUser({ id: this.user_id });
Sentry.captureException(error);
});
transaction?.finish();
console.error(`Error: Op ${data.op}`, error);
// if (!this.CLOSED && this.CLOSING)
return this.close(CLOSECODES.Unknown_error);
}
}
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