public async Task <CipherResponseModel> PostAttachment(string id) { ValidateAttachment(); var idGuid = new Guid(id); var userId = _userService.GetProperUserId(User).Value; var cipher = await _cipherRepository.GetByIdAsync(idGuid, userId); if (cipher == null) { throw new NotFoundException(); } await Request.GetFileAsync(async (stream, fileName) => { await _cipherService.CreateAttachmentAsync(cipher, stream, fileName, Request.ContentLength.GetValueOrDefault(0), userId); }); return(new CipherResponseModel(cipher, _globalSettings)); }