portainer/api/archive/zip.go

49 lines
857 B
Go

package archive
import (
"archive/zip"
"bytes"
"io"
"io/ioutil"
"os"
"path/filepath"
)
// UnzipArchive will unzip an archive from bytes into the dest destination folder on disk
func UnzipArchive(archiveData []byte, dest string) error {
zipReader, err := zip.NewReader(bytes.NewReader(archiveData), int64(len(archiveData)))
if err != nil {
return err
}
for _, zipFile := range zipReader.File {
f, err := zipFile.Open()
if err != nil {
return err
}
defer f.Close()
data, err := ioutil.ReadAll(f)
if err != nil {
return err
}
fpath := filepath.Join(dest, zipFile.Name)
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, zipFile.Mode())
if err != nil {
return err
}
_, err = io.Copy(outFile, bytes.NewReader(data))
if err != nil {
return err
}
outFile.Close()
}
return nil
}