// check fileLoadIndex for given fileInfo header.
        public CFileInfo FileDetails(CFileInfo fileInfo)
        {
            // get user credentials
            Tuple <string, string> credentials = HelperMethods.NamePasswordFromAuthHeader(Request.Headers.Authorization.Parameter);

            userName = credentials.Item1;
            CUser user = _userContext.GetByName(userName);
            CFile file = _fileContext.GetByFileName(fileInfo.Name, user.Guid);

            return(file.ToCFileInfo());
        }