func mscfbRdr(b *siegreader.Buffer) (Reader, error) {
m, err := mscfb.New(siegreader.ReaderFrom(b))
if err != nil {
return nil, err
}
return &mscfbReader{rdr: m}, nil
}
func process(in string, thumbs bool) error {
thumbsSz := make([]byte, 4)
file, err := os.Open(in)
if err != nil {
return err
}
defer file.Close()
doc, err := mscfb.New(file)
if doc == nil {
return err
}
if *debug {
d := doc.Debug()
fmt.Println("DEBUGGING")
for k, v := range d {
fmt.Printf("%s: %v\n", k, v)
}
return nil
}
dir, base := filepath.Split(in)
base = strings.Join(strings.Split(base, "."), "_")
base += "_comobjects"
path := filepath.Join(dir, base)
if *meta {
if err != nil {
fmt.Println("Errors: ", err.Error())
}
fmt.Println("Root Object")
fmt.Println(" CLSID: ", doc.ID())
fmt.Println(" Created: ", doc.Created())
fmt.Println(" Modified: ", doc.Modified())
fmt.Println()
} else {
err = os.Mkdir(path, os.ModePerm)
if err != nil {
return err
}
}
for {
entry, err := doc.Next()
if err == io.EOF {
break
}
if err != nil {
return err
}
paths := []string{path}
entry.Path = append(entry.Path, entry.Name)
paths = append(paths, entry.Path...)
if *meta {
if !entry.FileInfo().IsDir() {
fmt.Println("Stream Object")
fmt.Println(" Name : ", entry.Name)
fmt.Println(" Initial: ", entry.Initial)
fmt.Println(" Path: ", strings.Join(entry.Path, "/"))
fmt.Printf(" Size: %d", entry.Size)
} else {
fmt.Println("Storage Object")
fmt.Println(" Name (raw):", entry.Name)
fmt.Println(" Path: ", strings.Join(entry.Path, "/"))
fmt.Println(" CLSID: ", entry.ID())
fmt.Println(" Created: ", entry.Created())
fmt.Println(" Modified: ", entry.Modified())
}
fmt.Println()
continue
}
if entry.FileInfo().IsDir() {
err = os.Mkdir(filepath.Join(paths...), os.ModePerm)
if err != nil {
return err
}
continue
}
if thumbs && entry.Name != "Catalog" {
paths[len(paths)-1] += ".jpg"
_, err = doc.Read(thumbsSz)
if err != nil {
return err
}
sz := binary.LittleEndian.Uint32(thumbsSz)
cut := make([]byte, int(sz)-4)
_, err = doc.Read(cut)
if err != nil {
return err
}
}
if thumbs && entry.Name == "Catalog" {
hdr := new(CatalogHeader)
err = binary.Read(doc, binary.LittleEndian, hdr)
if err != nil {
return err
}
fmt.Println("Thumbs Database")
fmt.Println(" Version: ", hdr.Version)
fmt.Println(" Thumbnails: ", hdr.NumEntries)
fmt.Println(" DimensionX: ", hdr.DimensionX)
fmt.Println(" DimensionY: ", hdr.DimensionY)
for i := 0; i < int(hdr.NumEntries); i++ {
thumb := new(CatalogEntry)
err = binary.Read(doc, binary.LittleEndian, thumb)
if err != nil {
return err
}
name := make([]uint16, (int(thumb.Size)-20)/2)
err = binary.Read(doc, binary.LittleEndian, name)
if err != nil {
return err
}
fmt.Println(" Thumbnail ", thumb.Number)
fmt.Println(" Name: ", string(utf16.Decode(name)))
fmt.Println(" Date: ", thumb.Date)
pad := make([]byte, 4)
_, err = doc.Read(pad)
if err != nil {
return err
}
}
}
outFile, err := os.Create(filepath.Join(paths...))
if err != nil {
return err
}
_, err = io.Copy(outFile, doc)
if err != nil {
return err
}
outFile.Close()
}
return nil
}
