From 0750cd180adc7be0cad69f12b31a3d7709eeb678 Mon Sep 17 00:00:00 2001
From: n9k <originalcocaineninja@protonmail.com>
Date: Mon, 1 Aug 2022 00:37:04 +0000
Subject: [PATCH] Emotes: validate when loading

---
 anonstream/emote.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/anonstream/emote.py b/anonstream/emote.py
index f1c33c7..26bc5dc 100644
--- a/anonstream/emote.py
+++ b/anonstream/emote.py
@@ -3,12 +3,19 @@ import re
 
 from quart import escape
 
-class BadEmoteName(Exception):
+class BadEmote(Exception):
+    pass
+
+class BadEmoteName(BadEmote):
     pass
 
 def load_emote_schema(filepath):
     with open(filepath) as fp:
         emotes = json.load(fp)
+        for key in ('name', 'file', 'width', 'height'):
+            for emote in emotes:
+                if key not in emote:
+                    raise BadEmote(f'emotes must have a `{key}`: {emote}')
         precompute_emote_regex(emotes)
     return emotes