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githubmirror
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rclone
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vfs/zip.go
73 строки
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dougal
serve http: download folders as zip
26 сен 2025, 17:18
26 сен 2025, 17:18
8ed55c6
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package vfs import ( "archive/zip" "context" "fmt" "io" "os" "github.com/rclone/rclone/fs" ) // CreateZip creates a zip file from a vfs.Dir writing it to w func CreateZip(ctx context.Context, dir *Dir, w io.Writer) (err error) { zipWriter := zip.NewWriter(w) defer fs.CheckClose(zipWriter, &err) var walk func(dir *Dir, root string) error walk = func(dir *Dir, root string) error { nodes, err := dir.ReadDirAll() if err != nil { return fmt.Errorf("create zip directory read: %w", err) } for _, node := range nodes { switch e := node.(type) { case *File: in, err := e.Open(os.O_RDONLY) if err != nil { return fmt.Errorf("create zip open file: %w", err) } header := &zip.FileHeader{ Name: root + e.Name(), Method: zip.Deflate, Modified: e.ModTime(), } fileWriter, err := zipWriter.CreateHeader(header) if err != nil { fs.CheckClose(in, &err) return fmt.Errorf("create zip file header: %w", err) } _, err = io.Copy(fileWriter, in) if err != nil { fs.CheckClose(in, &err) return fmt.Errorf("create zip copy: %w", err) } fs.CheckClose(in, &err) case *Dir: name := root + e.Path() if name != "" && name[len(name)-1] != '/' { name += "/" } header := &zip.FileHeader{ Name: name, Method: zip.Store, Modified: e.ModTime(), } _, err := zipWriter.CreateHeader(header) if err != nil { return fmt.Errorf("create zip directory header: %w", err) } err = walk(e, name) if err != nil { return err } } } return nil } err = walk(dir, "") if err != nil { return err } return nil }