From 564d1a2fc9e907ef1840bfc6efe79fbffda3f923 Mon Sep 17 00:00:00 2001
From: V3L0C1T13S <turtletester20@gmail.com>
Date: Wed, 24 May 2023 12:02:03 -0400
Subject: [PATCH] feat: implement member list id generation

---
 package-lock.json                  | Bin 524912 -> 526059 bytes
 package.json                       |   2 ++
 src/gateway/opcodes/LazyRequest.ts |  27 ++++++++++++++++++++++++++-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/package-lock.json b/package-lock.json
index f7a81eb021a10882f4dae2bb492da87000ad48cc..8ce95eed76bc3894e9c362ffe7b5e18439ecd375 100644
GIT binary patch
delta 735
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z0(Qm{6>cOWrW@{Kl9)W<i{bQyBvwvoB%}3p^^w$N6;HnKMKv@h#LYFRvbfYIB&npL
zOy4~u*~ul$ILkOR$k5p`Jj5?E)VwItGO)}wG|$l8%%ITRBPb%vELl6%%{||sGS}D5
zKPSm7yD+NQ-zYq?vMSloG~eB0`oti1*~tmd_@-~LV`QD~lFa&J`U81J+35%3SS8v8
zbQ!k`=rWc3<3e~G?CR+UcCi`CqPP*=&C?lov8slKl;vjoWn`CGR3?`g1cx~VS8C^5
zlt)%YWVxC|RT&33rxqur6<c^@I!8pLB!`sdCp#9nl^Gg_hUfUXg?mR92N>mN7ZznC
znS1%=1m{|M<~e0}PCqEXDAnGq%?!jW+ncpn519|jaGe&+%HHmp%(~q*nXP^WxnUSd
RlQ1l|wN=`_i<^DhHvlZN0~Y`Q

delta 88
zcmaFetMH*kVM7qh=0X-R=II7HEL_do*|%?JXDm`__t9nC?xV}J;D7r^U1lI=+5S<N
s^`LqCi8R*jC(_vJS4;<rU!ETQfkkNg>I3Xz(?94jdv9+QWKa7F00BZH*8l(j

diff --git a/package.json b/package.json
index a6017c8a..3e963b57 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
 		"@types/jsonwebtoken": "^8.5.9",
 		"@types/morgan": "^1.9.3",
 		"@types/multer": "^1.4.7",
+		"@types/murmurhash-js": "^1.0.4",
 		"@types/node": "^18.7.20",
 		"@types/node-fetch": "^2.6.2",
 		"@types/node-os-utils": "^1.3.0",
@@ -94,6 +95,7 @@
 		"module-alias": "^2.2.2",
 		"morgan": "^1.10.0",
 		"multer": "^1.4.5-lts.1",
+		"murmurhash-js": "^1.0.0",
 		"node-2fa": "^2.0.3",
 		"node-fetch": "^2.6.7",
 		"node-os-utils": "^1.3.7",
diff --git a/src/gateway/opcodes/LazyRequest.ts b/src/gateway/opcodes/LazyRequest.ts
index cde91a75..77e1a25a 100644
--- a/src/gateway/opcodes/LazyRequest.ts
+++ b/src/gateway/opcodes/LazyRequest.ts
@@ -27,6 +27,8 @@ import {
 	User,
 	Presence,
 	partition,
+	Channel,
+	Permissions,
 } from "@spacebar/util";
 import {
 	WebSocket,
@@ -35,6 +37,7 @@ import {
 	OPCODES,
 	Send,
 } from "@spacebar/gateway";
+import murmur from "murmurhash-js/murmurhash3_gc";
 import { check } from "./instanceOf";
 
 // TODO: only show roles/members that have access to this channel
@@ -271,6 +274,28 @@ export async function onLazyRequest(this: WebSocket, { d }: Payload) {
 		ranges.map((x) => getMembers(guild_id, x as [number, number])),
 	);
 
+	let list_id = "everyone";
+
+	const channel = await Channel.findOneOrFail({
+		where: { id: channel_id },
+	});
+	if (channel.permission_overwrites) {
+		const perms: string[] = [];
+
+		channel.permission_overwrites.forEach((overwrite) => {
+			const { id, allow, deny } = overwrite;
+
+			if (allow.toBigInt() & Permissions.FLAGS.VIEW_CHANNEL)
+				perms.push(`allow:${id}`);
+			else if (deny.toBigInt() & Permissions.FLAGS.VIEW_CHANNEL)
+				perms.push(`deny:${id}`);
+		});
+
+		if (perms.length > 0) {
+			list_id = murmur(perms.sort().join(",")).toString();
+		}
+	}
+
 	// TODO: unsubscribe member_events that are not in op.members
 
 	ops.forEach((op) => {
@@ -299,7 +324,7 @@ export async function onLazyRequest(this: WebSocket, { d }: Payload) {
 				member_count -
 				(groups.find((x) => x.id == "offline")?.count ?? 0),
 			member_count,
-			id: "everyone",
+			id: list_id,
 			guild_id,
 			groups,
 		},