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Bounds check proxy tags before extracting inner message

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This commit is contained in:
Ske 2019-07-19 02:14:46 +02:00
parent 1577eb7041
commit 52962f1b97
1 changed files with 1 additions and 1 deletions
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2
PluralKit.Bot/Services/ProxyService.cs
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@ -72,7 +72,7 @@ namespace PluralKit.Bot
var prefix = potential.Member.Prefix ?? "";
var suffix = potential.Member.Suffix ?? "";
if (message.StartsWith(prefix) && message.EndsWith(suffix)) {
if (message.Length >= prefix.Length + suffix.Length && message.StartsWith(prefix) && message.EndsWith(suffix)) {
var inner = message.Substring(prefix.Length, message.Length - prefix.Length - suffix.Length);
if (leadingMention != null) inner = $"{leadingMention} {inner}";
return new ProxyMatch { Member = potential.Member, System = potential.System, InnerText = inner };