Method extractFile

plugin/zip_archive.go:33–64

(zipFile *zip.File, destinationFolder string, permissions os.FileMode)

}

func (z zipArchive) extractFile(zipFile *zip.File, destinationFolder string, permissions os.FileMode) error {
	path, err := z.sanitizeArchivePath(destinationFolder, zipFile.Name)
	if err != nil {
		return err
	}

	if zipFile.FileInfo().IsDir() {
		return os.MkdirAll(path, permissions)
	}
	err = os.MkdirAll(filepath.Dir(path), permissions)
	if err != nil {
		return err
	}

	zipFileReader, err := zipFile.Open()
	if err != nil {
		return err
	}
	defer func() { _ = zipFileReader.Close() }()

	destinationFile, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, zipFile.Mode())
	if err != nil {
		return err
	}
	defer func() { _ = destinationFile.Close() }()

	_, err = io.CopyN(destinationFile, zipFileReader, MaxArchiveSize)
	if err != nil && !errors.Is(err, io.EOF) {
		return err
	}
	return nil
}

func (z zipArchive) sanitizeArchivePath(directory string, name string) (string, error) {
	result := filepath.Join(directory, name)