mirror of https://github.com/portainer/portainer
115 lines
2.3 KiB
Go
115 lines
2.3 KiB
Go
package archive
|
|
|
|
import (
|
|
"archive/zip"
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// 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 {
|
|
err := extractFileFromArchive(zipFile, dest)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func extractFileFromArchive(file *zip.File, dest string) error {
|
|
f, err := file.Open()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
data, err := io.ReadAll(f)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fpath := filepath.Join(dest, file.Name)
|
|
|
|
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = io.Copy(outFile, bytes.NewReader(data))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return outFile.Close()
|
|
}
|
|
|
|
// UnzipFile will decompress a zip archive, moving all files and folders
|
|
// within the zip file (parameter 1) to an output directory (parameter 2).
|
|
func UnzipFile(src string, dest string) error {
|
|
r, err := zip.OpenReader(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer r.Close()
|
|
|
|
for _, f := range r.File {
|
|
p := filepath.Join(dest, f.Name)
|
|
|
|
// Check for ZipSlip. More Info: http://bit.ly/2MsjAWE
|
|
if !strings.HasPrefix(p, filepath.Clean(dest)+string(os.PathSeparator)) {
|
|
return fmt.Errorf("%s: illegal file path", p)
|
|
}
|
|
|
|
if f.FileInfo().IsDir() {
|
|
// Make Folder
|
|
os.MkdirAll(p, os.ModePerm)
|
|
continue
|
|
}
|
|
|
|
err = unzipFile(f, p)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func unzipFile(f *zip.File, p string) error {
|
|
// Make File
|
|
if err := os.MkdirAll(filepath.Dir(p), os.ModePerm); err != nil {
|
|
return errors.Wrapf(err, "unzipFile: can't make a path %s", p)
|
|
}
|
|
outFile, err := os.OpenFile(p, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
|
|
if err != nil {
|
|
return errors.Wrapf(err, "unzipFile: can't create file %s", p)
|
|
}
|
|
defer outFile.Close()
|
|
rc, err := f.Open()
|
|
if err != nil {
|
|
return errors.Wrapf(err, "unzipFile: can't open zip file %s in the archive", f.Name)
|
|
}
|
|
defer rc.Close()
|
|
|
|
_, err = io.Copy(outFile, rc)
|
|
|
|
if err != nil {
|
|
return errors.Wrapf(err, "unzipFile: can't copy an archived file content")
|
|
}
|
|
|
|
return nil
|
|
}
|