From cb758be9a99d13cfa903432fae0864a1656e2c49 Mon Sep 17 00:00:00 2001
From: LN Liberda <lauren@selfisekai.rocks>
Date: Thu, 7 May 2026 09:45:32 +0200
Subject: [PATCH] unbundle/minizip: Ignore Unicode Path Extra Field

The fields come from chromium's patches on minizip
---
 third_party/zlib/google/zip_reader.cc | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/third_party/zlib/google/zip_reader.cc b/third_party/zlib/google/zip_reader.cc
index 002a1e3ed01d3..88f075ec7739a 100644
--- a/third_party/zlib/google/zip_reader.cc
+++ b/third_party/zlib/google/zip_reader.cc
@@ -318,27 +318,6 @@
   // Directory path is about to be overridden. Decode and normalize it now into
   // `entry_.physical_path` so consumers (e.g. Safe Browsing) can still see the
   // name that other tools (e.g. Windows Explorer) would use for extraction.
-  if (info.size_utf8_filename > 0) {
-    std::u16string physical_path_in_utf16;
-    if (!base::CodepageToUTF16(entry_.path_in_original_encoding,
-                               configured_encoding,
-                               base::OnStringConversionError::SUBSTITUTE,
-                               &physical_path_in_utf16)) {
-      LOG(ERROR) << "Cannot convert path from encoding " << configured_encoding;
-      return false;
-    }
-    // Normalize() stores the normalized result in entry_.path; copy it before
-    // applying the Unicode Path Extra Field below.
-    Normalize(physical_path_in_utf16);
-    entry_.physical_path = entry_.path;
-    physical_path_is_directory = entry_.is_directory;
-    physical_path_is_unsafe = entry_.is_unsafe;
-
-    // Use the Info-ZIP Unicode Path Extra Field if present.
-    DCHECK(info.utf8_filename[info.size_utf8_filename] == '\0');
-    entry_.path_in_original_encoding = info.utf8_filename;
-    entry_path_encoding = base::kCodepageUTF8;
-  }
 
   // Convert path from original encoding to Unicode.
   std::u16string path_in_utf16;
@@ -353,17 +332,9 @@
   // Normalize path.
   Normalize(path_in_utf16);
 
-  if (info.size_utf8_filename > 0) {
-    // Treat an entry as a directory only if both names are directories;
-    // otherwise callers that analyze file entries should inspect it as a file.
-    entry_.is_directory = entry_.is_directory && physical_path_is_directory;
-    // Treat an entry as unsafe if either name is unsafe.
-    entry_.is_unsafe = entry_.is_unsafe || physical_path_is_unsafe;
-  } else {
     // In the common case (no Unicode Path Extra Field) the physical path
     // matches the effective path.
     entry_.physical_path = entry_.path;
-  }
 
   entry_.original_size = info.uncompressed_size;
 
