return
	}

	volume := r.Form.Get("volume")
	if len(volume) == 0 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidBucketName), r.URL)
		return
	}
	file := r.Form.Get("file")
	if len(file) == 0 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	file = filepath.ToSlash(file)