66 lines
1.9 KiB
TypeScript
66 lines
1.9 KiB
TypeScript
import { WebSocket, Payload, CLOSECODES, OPCODES } from "@fosscord/gateway";
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import OPCodeHandlers from "../opcodes";
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import { check } from "../opcodes/instanceOf";
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import WS from "ws";
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import { PayloadSchema } from "@fosscord/util";
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import * as Sentry from "@sentry/node";
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import BigIntJson from "json-bigint";
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const bigIntJson = BigIntJson({ storeAsString: true });
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var erlpack: any;
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try {
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erlpack = require("@yukikaze-bot/erlpack");
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} catch (error) { }
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export async function Message(this: WebSocket, buffer: WS.Data) {
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// TODO: compression
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var data: Payload;
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if (this.encoding === "etf" && buffer instanceof Buffer)
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data = erlpack.unpack(buffer);
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else if (this.encoding === "json" && buffer instanceof Buffer && buffer[0] !== 123) { // bad check for "{"
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if (this.inflate) {
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try {
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buffer = this.inflate.process(buffer) as any;
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} catch {
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buffer = buffer.toString() as any;
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}
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}
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data = bigIntJson.parse(buffer as string);
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} else if (typeof buffer == "string" || (buffer instanceof Buffer && buffer[0] == 123)) {
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data = bigIntJson.parse(buffer as string);
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} else return;
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check.call(this, PayloadSchema, data);
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// @ts-ignore
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const OPCodeHandler = OPCodeHandlers[data.op];
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if (!OPCodeHandler) {
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console.error("[Gateway] Unkown opcode " + data.op);
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// TODO: if all opcodes are implemented comment this out:
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// this.close(CLOSECODES.Unknown_opcode);
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return;
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}
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const transaction = Sentry.startTransaction({
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op: OPCODES[data.op],
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name: `GATEWAY ${OPCODES[data.op]}`,
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data: {
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...data.d,
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token: data?.d?.token ? "[Redacted]" : undefined,
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},
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});
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try {
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var ret = await OPCodeHandler.call(this, data);
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transaction.finish();
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return ret;
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} catch (error) {
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Sentry.captureException(error);
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transaction.finish();
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console.error(`Error: Op ${data.op}`, error);
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// if (!this.CLOSED && this.CLOSING)
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return this.close(CLOSECODES.Unknown_error);
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}
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}
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