82 lines
1.4 KiB
Go
82 lines
1.4 KiB
Go
package packet
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import (
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"archive/tar"
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"compress/gzip"
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"fmt"
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"io"
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"log"
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"math/rand"
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"os"
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"path/filepath"
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"strings"
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)
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const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$%!@%&*()-=+[]{}:;.,1234567890"
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func randStringBytes(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = letterBytes[rand.Intn(len(letterBytes))]
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}
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return string(b)
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}
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func Dearchive(archive, outdir string) error {
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switch {
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case strings.HasSuffix(archive, ".tar.gz"):
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f, err := os.Open(archive)
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if err != nil {
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return err
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}
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gzReader, err := gzip.NewReader(f)
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if err != nil {
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return err
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}
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tarReader := tar.NewReader(gzReader)
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for {
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header, err := tarReader.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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log.Fatal(err)
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}
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destination := filepath.Join(outdir, header.Name)
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fmt.Println(destination)
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switch header.Typeflag {
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case tar.TypeDir:
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if err := os.Mkdir(destination, header.FileInfo().Mode()); err != nil {
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return err
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}
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case tar.TypeReg:
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if err := os.MkdirAll(filepath.Dir(destination), 0777); err != nil {
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return err
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}
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outFile, err := os.Create(destination)
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if err != nil {
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return err
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}
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if _, err := io.Copy(outFile, tarReader); err != nil {
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return err
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}
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outFile.Close()
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default:
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return fmt.Errorf("unknow filetype")
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}
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}
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}
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return nil
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}
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