From 4f543442b97d18be30fd15b6a8da0c100ac34871 Mon Sep 17 00:00:00 2001
From: NotNite <hi@notnite.com>
Date: Wed, 22 Sep 2021 21:29:41 -0400
Subject: [PATCH] op14: verify the channel exists

---
 litecord/gateway/websocket.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/litecord/gateway/websocket.py b/litecord/gateway/websocket.py
index bf57fe8..c306591 100644
--- a/litecord/gateway/websocket.py
+++ b/litecord/gateway/websocket.py
@@ -1224,6 +1224,20 @@ class GatewayWebsocket:
         # make shard query
         for chan_id, ranges in data.get("channels", {}).items():
             chan_id = int(chan_id)
+
+            # we need to check if the channel exists
+            # or else bad things can happen
+            chan_type = await app.db.fetchval(
+                """
+                SELECT channel_type
+                FROM channels
+                WHERE id = $1
+                """,
+                chan_id,
+            )
+            if chan_type is None:
+                continue
+
             member_list = await app.lazy_guild.get_gml(chan_id)
 
             perms = await get_permissions(