func Decompress(r io.Reader, ctype CompressionType) (io.Reader, error)
func DetectCompressed(f *os.File) (FileType, CompressionType)
type CompressionType int
const (
CompressedNone CompressionType = iota
CompressedGzip
CompressedXz
)
type FileType int
const (
FileTypeUnknown FileType = iota
FileTypeRPM
FileTypeDEB
FileTypePGP
FileTypeJAR
FileTypePKCS7
FileTypePECOFF
FileTypeMSI
FileTypeCAB
FileTypeAppManifest
FileTypeCAT
FileTypeStarman
FileTypeAPPX
FileTypeVSIX
FileTypeXAP
FileTypeAPK
)
func Detect(r io.Reader) FileType
Detect a handful of package and signature file types based on the first few bytes of the file contents.