1 files changed, 61 insertions, 0 deletions
diff --git a/src/gateway/events/Message.ts b/src/gateway/events/Message.ts
new file mode 100644
index 00000000..569f5fc7
--- /dev/null
+++ b/src/gateway/events/Message.ts
@@ -0,0 +1,61 @@
+import { CLOSECODES } from "../util/Constants";
+import { WebSocket, Payload } from "@fosscord/gateway";
+let erlpack: any;
+try {
+ erlpack = require("@yukikaze-bot/erlpack");
+} catch (error) {}
+import OPCodeHandlers from "../opcodes";
+import { check } from "../opcodes/instanceOf";
+
+const PayloadSchema = {
+ op: Number,
+ $d: Object || Number, // or number for heartbeat sequence
+ $s: Number,
+ $t: String,
+};
+
+export async function Message(this: WebSocket, buffer: Buffer) {
+ // TODO: compression
+ let data: Payload;
+
+ if (this.encoding === "etf" && buffer instanceof Buffer)
+ data = erlpack.unpack(buffer);
+ else if (this.encoding === "json")
+ data = JSON.parse(buffer as unknown as string); //TODO: is this even correct?? seems to work for web clients...
+ else if(/--debug|--inspect/.test(process.execArgv.join(' '))) {
+ debugger;
+ return;
+ }
+ else {
+ console.log("Invalid gateway connection! Use a debugger to inspect!");
+ return;
+ }
+
+ if(process.env.WS_VERBOSE)
+ console.log(`[Websocket] Incomming message: ${JSON.stringify(data)}`);
+ if(data.op !== 1)
+ check.call(this, PayloadSchema, data);
+ else { //custom validation for numbers, because heartbeat
+ if(data.s || data.t || (typeof data.d !== "number" && data.d)) {
+ console.log("Invalid heartbeat...");
+ this.close(CLOSECODES.Decode_error);
+ }
+ }
+
+ // @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;
+ }
+
+ try {
+ return await OPCodeHandler.call(this, data);
+ } catch (error) {
+ console.error(error);
+ if (!this.CLOSED && this.CLOSING)
+ return this.close(CLOSECODES.Unknown_error);
+ }
+}
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