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Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>
32 lines
2.1 KiB
Markdown
32 lines
2.1 KiB
Markdown
# Plugin Archive ZIP Backslashes
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- Status: Active
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- Introduced: 2026-07-09
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- Remove after: when Microsoft fixes dotnet/runtime#27620 and dotnet/runtime#41914
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- Code references:
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- `app/MindWork AI Studio/Tools/PluginSystem/PluginArchive.cs`
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- `app/MindWork AI Studio/Tools/PluginSystem/PluginFactory.Download.cs`
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- `app/MindWork AI Studio/Tools/Services/AssistantPluginInstallService.cs`
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## User Impact
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Some enterprise administrators create configuration plugin ZIP files on Windows. Depending on the packaging tool, entries inside the ZIP may use Windows-style backslashes, for example `O\plugin.lua`.
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Without this shim, Unix systems extract those entries as files whose names contain literal backslash characters. The plugin loader then cannot find `plugin.lua`, so the enterprise configuration plugin is not activated.
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The same applies to plugin archives that users import from their disk. Archives created by AI Studio itself always use forward slashes. However, users may import archives that were packaged by hand or with another tool on Windows, so the import path needs the same tolerance. Otherwise, importing such an archive fails because `plugin.lua` cannot be found.
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## Compatibility Behavior
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AI Studio manually extracts enterprise configuration plugin archives and plugin archives imported by users. During extraction, entry names are normalized so both `/` and `\` are treated as archive path separators.
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The extraction still preserves the archive structure and validates each entry before writing it to disk. Rooted paths, drive-qualified paths, and parent-directory traversal paths are rejected.
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This works around the behavior described in dotnet/runtime#27620. A related upstream context for ZIP entry creation is dotnet/runtime#41914, where the ZIP specification requirement for forward slashes is discussed.
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## Removal Checklist
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- Confirm supported .NET runtimes and administrator packaging guidance no longer require accepting backslashes in enterprise ZIP entry names.
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- Replace `PluginArchive.Extract(...)` with `ZipFile.ExtractToDirectory(...)`.
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- Update this document's status to `Removed`.
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