private async Task <string> GetAccessToken(string login, string password) { using (var client = new HttpClient()) { var dict = new Dictionary <string, string>(); dict.Add("client_id", "gamecenter.mail.ru"); dict.Add("grant_type", "password"); dict.Add("username", login); dict.Add("password", password.Decrypt(EnvironmentExtensions.GetSecret())); var content = new FormUrlEncodedContent(dict); content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded"); client.DefaultRequestHeaders.Add("User-Agent", _userAgent); var response = client.PostAsync( "https://o2.mail.ru/token", content).Result; response.EnsureSuccessStatusCode(); var token = await response.Content.ReadAsAsync <AuthModel>(); return(token.AccessToken); } }