function filteredBody(body, whitelist) {
  const items = {};

  Object.keys(body).forEach(key => {
    if (whitelist.indexOf(key) >= 0) {
      items[key] = body[key];
    }
  });

  return items;
}
Filtered the request body for be sure
nothing wrong can be pass.

@export
@param {Object} body - Request body
@param {Array[String]} whitelist - Element who want to whitelist
@returns {Object} body - Request body filtered