djfoxer.dp.notification.Core.Logic.DpLogic.SetSessionCookie C# (CSharp) Method

        public async Task<Tuple<bool, DateTime?>> SetSessionCookie(string login, string password)
        {
            HttpResponseMessage response = null;
            HttpRequestMessage request = null;

            using (var httpClient = new HttpClient())
            {
                request = new HttpRequestMessage(HttpMethod.Post, new Uri(Const.UrlLogin));
                request.Content = new HttpFormUrlEncodedContent(new[] {
                    new KeyValuePair<string, string>("what", "login"),
                    new KeyValuePair<string, string>("login", login),
                    new KeyValuePair<string, string>("password", password),
                    new KeyValuePair<string, string>("persistent", "true"),
                });

                try
                {
                    response = await httpClient.SendRequestAsync(request);
                }
                catch (Exception)
                {
                    return new Tuple<bool, DateTime?>(false, null);
                }
            }

            var httpFilter = new Windows.Web.Http.Filters.HttpBaseProtocolFilter();
            var expireDate = httpFilter.CookieManager.GetCookies(new Uri(Const.UrlFullAddress)).First().Expires ?? DateTime.Now;

            return new Tuple<bool, DateTime?>(response.StatusCode == Windows.Web.Http.HttpStatusCode.Ok, expireDate.DateTime);
        }