while ((line = ReaderUtil.readLine(reader)) != null) {
                buf.append(line);
            }
        } catch (final Exception e) {
            throwValidationError(messages -> messages.addErrorsFailedToReadRequestFile(GLOBAL, e.getMessage()),
                    () -> asListHtml(this::saveToken));
        }

        final CurlRequest curlRequest = getCurlRequest(header);
        if (curlRequest == null) {