ForceMD5:   forceMD5,
	})
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	if checksum != nil && checksum.Valid() {
		if err = hashReader.AddChecksumNoTrailer(formValues, false); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}

	// Handle policy if it is set.
	if len(policyBytes) > 0 {