def check_for_missing_params(request_form_object, keys):
    """
    Check if all items in 'keys' are present in request-form
    :param request_form_object: Input form params
    :param keys: required keys
    :return: [] if there are no missing params, list() of missing params otherwise
    """
    missing_params = list()
    for key in keys:
        try:
            if not request_form_object[key]:
                missing_params.append(key)
        except KeyError:
            missing_params.append(key)
    return [] if not missing_params else missing_params