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Support zstd inside zip files.
Given this is already depending on zstd I don't see a reason not to.
Can be tested with libarchive via: `bsdtar -a --options zip:compression=zstd -cf file.zip files...`
Reviewed-on: https://codeberg.org/git-pages/git-pages/pulls/91
Co-authored-by: David Leadbeater <dgl@dgl.cx>
Co-committed-by: David Leadbeater <dgl@dgl.cx>
authored by
David Leadbeater
David Leadbeater
and committed by
+7
src/extract.go
+7
src/extract.go
···
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return manifest, nil
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}
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// Used for zstd decompression inside zip files, it is recommended to share this.
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var zstdDecomp = zstd.ZipDecompressor()
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func ExtractZip(ctx context.Context, reader io.Reader, oldManifest *Manifest) (*Manifest, error) {
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data, err := io.ReadAll(reader)
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if err != nil {
···
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if err != nil {
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return nil, err
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}
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// Support zstd compression inside zip files.
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archive.RegisterDecompressor(zstd.ZipMethodWinZip, zstdDecomp)
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archive.RegisterDecompressor(zstd.ZipMethodPKWare, zstdDecomp)
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// Detect and defuse zipbombs.
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var totalSize uint64