public async Task Login(string request_token) { string tokenExchangeEndpoint = $"{this._configuration.GetValue<string>("kiteApiBaseUrl")}{this._configuration.GetValue<string>("kiteAccessTokenUrl")}"; KiteAccessTokenResponseRoot kiteAccessTokenResponseRoot = null; bool cacheFetchResult = this._cache.TryGetValue <KiteAccessTokenResponseRoot>("kite_access_token", out kiteAccessTokenResponseRoot); if (!cacheFetchResult) { try { string accessTokenRequest = $"{this._configuration.GetValue<string>("kiteApiKey")}{request_token}{this._configuration.GetValue<string>("kiteApiSecret")}"; string accessTokenRequestHash = CommonFunctions.ComputeSha256Hash(accessTokenRequest); var param = new Dictionary <string, dynamic> { { "api_key", this._configuration.GetValue <string>("kiteApiKey") }, { "request_token", request_token }, { "checksum", accessTokenRequestHash } }; string paramString = String.Join("&", param.Select(x => CommonFunctions.BuildParam(x.Key, x.Value))); HttpContent accessTokenRequestContent = new StringContent(paramString, Encoding.UTF8, "application/x-www-form-urlencoded"); accessTokenRequestContent.Headers.Add("X-Kite-Version", "3"); HttpResponseMessage access_token_response = await this._httpClient.PostAsync(tokenExchangeEndpoint, accessTokenRequestContent); if (access_token_response.IsSuccessStatusCode) { Stream responseStream = await access_token_response.Content.ReadAsStreamAsync(); var respose = new StreamReader(responseStream).ReadToEnd(); kiteAccessTokenResponseRoot = JsonSerializer.Deserialize <KiteAccessTokenResponseRoot>(respose); MemoryCacheEntryOptions cacheOptions = new MemoryCacheEntryOptions(); cacheOptions.AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddHours(8)); cacheOptions.Priority = CacheItemPriority.NeverRemove; cacheOptions.RegisterPostEvictionCallback(new PostEvictionDelegate(this.CacheEvictionCallback)); cacheOptions.SetSize(CommonFunctions.GetObjectSize(kiteAccessTokenResponseRoot)); using (ICacheEntry cacheEntry = this._cache.CreateEntry((object)"kite_access_token")) { cacheEntry.SetSize(CommonFunctions.GetObjectSize(kiteAccessTokenResponseRoot)); cacheEntry.SetOptions(cacheOptions); cacheEntry.SetValue(kiteAccessTokenResponseRoot); } } else { this._logger.LogError(access_token_response.ReasonPhrase); } } catch (Exception ex) { this._logger.LogError(ex.Message); throw new IntelliTradeException("An error occurred while trying to get access token from Kite.", ex); } } }
public async Task <bool> IsAuthenticated() { KiteAccessTokenResponseRoot kiteAccessTokenResponseRoot = null; bool cacheFetchResult = this._cache.TryGetValue <KiteAccessTokenResponseRoot>("kite_access_token", out kiteAccessTokenResponseRoot); if ((kiteAccessTokenResponseRoot != null) && cacheFetchResult) { return(true); } else { return(false); } }
private void CacheEvictionCallback(object key, object value, EvictionReason reason, object state) { if (EvictionReason.Expired == reason) { KiteAccessTokenResponseRoot kiteAccessTokenResponseRoot = (KiteAccessTokenResponseRoot)value; MemoryCacheEntryOptions cacheOptions = new MemoryCacheEntryOptions(); cacheOptions.AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddHours(8)); cacheOptions.Priority = CacheItemPriority.NeverRemove; cacheOptions.RegisterPostEvictionCallback(new PostEvictionDelegate(this.CacheEvictionCallback)); cacheOptions.SetSize(CommonFunctions.GetObjectSize(kiteAccessTokenResponseRoot)); using (ICacheEntry cacheEntry = this._cache.CreateEntry((object)"kite_access_token")) { cacheEntry.SetSize(CommonFunctions.GetObjectSize(kiteAccessTokenResponseRoot)); cacheEntry.SetOptions(cacheOptions); cacheEntry.SetValue(kiteAccessTokenResponseRoot); } } }
public async Task Logout() { KiteAccessTokenResponseRoot kiteAccessTokenResponseRoot = null; bool cacheFetchResult = this._cache.TryGetValue <KiteAccessTokenResponseRoot>("kite_access_token", out kiteAccessTokenResponseRoot); if ((kiteAccessTokenResponseRoot != null) && cacheFetchResult) { this._cache.Remove("kite_access_token"); var param = new Dictionary <string, dynamic>(); CommonFunctions.AddIfNotNull(param, "api_key", this._configuration.GetValue <string>("kiteApiKey")); CommonFunctions.AddIfNotNull(param, "access_token", (string)kiteAccessTokenResponseRoot.data.access_token); string encodedParmas = string.Empty; foreach (KeyValuePair <string, dynamic> keyValuePair in param) { if (string.IsNullOrEmpty(encodedParmas)) { encodedParmas = CommonFunctions.BuildParam(keyValuePair.Key, keyValuePair.Value); } else { encodedParmas = encodedParmas + "&" + CommonFunctions.BuildParam(keyValuePair.Key, keyValuePair.Value); } } string kiteLogoutUrl = $"{this._configuration.GetValue<string>("kiteApiBaseUrl")}{this._configuration.GetValue<string>("kiteAccessTokenUrl")}?{encodedParmas}"; this._httpClient.DefaultRequestHeaders.Add("X-Kite-Version", "3"); HttpResponseMessage httpResponseMessage = await this._httpClient.DeleteAsync(kiteLogoutUrl); if (httpResponseMessage.IsSuccessStatusCode) { this._logger.LogInformation("Logout from Kite API Successful."); } else { this._logger.LogError("Logout from Kite API Unsuccessful."); } } }