1 files changed, 46 insertions, 0 deletions
diff --git a/src/events/Connection.ts b/src/events/Connection.ts
new file mode 100644
index 00000000..815d84cf
--- /dev/null
+++ b/src/events/Connection.ts
@@ -0,0 +1,46 @@
+import WebSocket, { Server } from "../util/WebSocket";
+import { IncomingMessage } from "http";
+import { Close } from "./Close";
+import { Message } from "./Message";
+import { setHeartbeat } from "../util/setHeartbeat";
+import { Send } from "../util/Send";
+import { CLOSECODES, OPCODES } from "../util/Constants";
+
+// TODO: check rate limit
+// TODO: specify rate limit in config
+
+export function Connection(this: Server, socket: WebSocket, request: IncomingMessage) {
+ try {
+ socket.on("close", Close);
+ socket.on("message", Message);
+
+ const { searchParams } = new URL(`http://localhost${request.url}`);
+ // @ts-ignore
+ socket.encoding = searchParams.get("encoding") || "json";
+ if (!["json", "etf"].includes(socket.encoding)) return socket.close(CLOSECODES.Decode_error);
+
+ // @ts-ignore
+ socket.version = Number(searchParams.get("version")) || 8;
+ if (socket.version != 8) return socket.close(CLOSECODES.Invalid_API_version);
+
+ // @ts-ignore
+ socket.compression = searchParams.get("compress") || "";
+ // TODO: compression
+
+ setHeartbeat(socket);
+
+ Send(socket, {
+ op: OPCODES.Hello,
+ d: {
+ heartbeat_interval: 1000 * 30,
+ },
+ });
+
+ socket.readyTimeout = setTimeout(() => {
+ return socket.close(CLOSECODES.Session_timed_out);
+ }, 1000 * 30);
+ } catch (error) {
+ console.error(error);
+ return socket.close(CLOSECODES.Unknown_error);
+ }
+}
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