From 981c2bace4d32c404447a14c95e7129ff4212163 Mon Sep 17 00:00:00 2001
From: Exter-N <exter-n@exter-n.fr>
Date: Mon, 3 Feb 2025 00:20:22 +0100
Subject: [PATCH] Fix out-of-root path detection logic

---
 Penumbra/Interop/ResourceTree/ResourceTreeFactory.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Penumbra/Interop/ResourceTree/ResourceTreeFactory.cs b/Penumbra/Interop/ResourceTree/ResourceTreeFactory.cs
index f5659e7c..95627566 100644
--- a/Penumbra/Interop/ResourceTree/ResourceTreeFactory.cs
+++ b/Penumbra/Interop/ResourceTree/ResourceTreeFactory.cs
@@ -25,6 +25,8 @@ public class ResourceTreeFactory(
     PathState pathState,
     ModManager modManager) : IService
 {
+    private static readonly string ParentDirectoryPrefix = $"..{Path.DirectorySeparatorChar}";
+
     private TreeBuildCache CreateTreeBuildCache()
         => new(objects, gameData, actors);
 
@@ -159,7 +161,7 @@ public class ResourceTreeFactory(
             if (onlyWithinPath != null)
             {
                 var relPath = Path.GetRelativePath(onlyWithinPath, fullPath.FullName);
-                if (relPath != "." && (relPath.StartsWith('.') || Path.IsPathRooted(relPath)))
+                if (relPath == ".." || relPath.StartsWith(ParentDirectoryPrefix) || Path.IsPathRooted(relPath))
                     return false;
             }