aboutsummaryrefslogtreecommitdiff
path: root/Emby.Server.Implementations/Library/PathExtensions.cs
diff options
context:
space:
mode:
Diffstat (limited to 'Emby.Server.Implementations/Library/PathExtensions.cs')
-rw-r--r--Emby.Server.Implementations/Library/PathExtensions.cs23
1 files changed, 14 insertions, 9 deletions
diff --git a/Emby.Server.Implementations/Library/PathExtensions.cs b/Emby.Server.Implementations/Library/PathExtensions.cs
index 73a658186..78850c149 100644
--- a/Emby.Server.Implementations/Library/PathExtensions.cs
+++ b/Emby.Server.Implementations/Library/PathExtensions.cs
@@ -28,21 +28,26 @@ namespace Emby.Server.Implementations.Library
throw new ArgumentException("String can't be empty.", nameof(attribute));
}
- var openBracketIndex = str.IndexOf('[');
var attributeIndex = str.IndexOf(attribute);
- var closingBracketIndex = str.IndexOf(']');
- while (openBracketIndex < attributeIndex && attributeIndex < closingBracketIndex)
+
+ // Must be at least 3 characters after the attribute =, ], any character.
+ var maxIndex = str.Length - attribute.Length - 3;
+ while (attributeIndex > -1 && attributeIndex < maxIndex)
{
- if (openBracketIndex + 1 == attributeIndex
- && str[attributeIndex + attribute.Length] == '=')
+ var attributeEnd = attributeIndex + attribute.Length;
+ if (attributeIndex > 0
+ && str[attributeIndex - 1] == '['
+ && str[attributeEnd] == '=')
{
- return str[(attributeIndex + attribute.Length + 1)..closingBracketIndex].Trim().ToString();
+ var closingIndex = str[attributeEnd..].IndexOf(']');
+ if (closingIndex != -1)
+ {
+ return str[(attributeEnd + 1)..(attributeEnd + closingIndex)].Trim().ToString();
+ }
}
- str = str[(closingBracketIndex + 1)..];
- openBracketIndex = str.IndexOf('[');
+ str = str[attributeEnd..];
attributeIndex = str.IndexOf(attribute);
- closingBracketIndex = str.IndexOf(']');
}
// for imdbid we also accept pattern matching