func unzip()

in common/utils.go [101:151]
35 lines of code
9 McCabe index (conditional complexity)

func unzip(src *string, dest *string) {
    r, err := zip.OpenReader(*src)
    if err != nil {
        log.Fatal(err)
    }
    defer r.Close()

    for _, f := range r.File {

        // Store filename/path for returning and using later on
        fpath := filepath.Join(*dest, f.Name)

        // Check for ZipSlip. More Info: http://bit.ly/2MsjAWE
        if !strings.HasPrefix(fpath, filepath.Clean(*dest)+string(os.PathSeparator)) {
        	log.Fatal(fmt.Sprintf("%s: illegal file path", fpath))
        }

		fmt.Println(fpath)

        if f.FileInfo().IsDir() {
            // Make Folder
            os.MkdirAll(fpath, os.ModePerm)
            continue
        }

        // Make File
        if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
            log.Fatal(err)
        }

        outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
        if err != nil {
            log.Fatal(err)
        }

        rc, err := f.Open()
        if err != nil {
            log.Fatal(err)
        }

        _, err = io.Copy(outFile, rc)

        // Close the file without defer to close before next iteration of loop
        outFile.Close()
        rc.Close()

        if err != nil {
            log.Fatal(err)
        }
    }
}