67 lines
1.2 KiB
Go
67 lines
1.2 KiB
Go
package testutil
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import (
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"archive/zip"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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// Unzip will extract a zip archive into dest
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func Unzip(src string, dest string) error {
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r, err := zip.OpenReader(src)
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if err != nil {
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return err
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}
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defer r.Close()
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for _, f := range r.File {
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// Store filename/path for returning and using later on
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fpath := filepath.Join(dest, f.Name)
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// Check for ZipSlip. More Info: http://bit.ly/2MsjAWE
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if !strings.HasPrefix(fpath, filepath.Clean(dest)+string(os.PathSeparator)) {
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return fmt.Errorf("%s: illegal file path", fpath)
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}
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if f.FileInfo().IsDir() {
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// Make Folder
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if err := os.MkdirAll(fpath, os.ModePerm); err != nil {
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return err
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}
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continue
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}
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if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
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return err
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}
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outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
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if err != nil {
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return err
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}
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rc, err := f.Open()
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if err != nil {
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return err
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}
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_, err = io.Copy(outFile, rc)
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if err != nil {
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return err
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}
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if err := outFile.Close(); err != nil {
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return err
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}
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if err := rc.Close(); err != nil {
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return err
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}
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}
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return nil
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}
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