private AccessTokenInfo GetToken() { WebRequest webRequest = WebRequest.Create("https://oxford-speech.cloudapp.net/token/issueToken"); webRequest.ContentType = "application/x-www-form-urlencoded"; webRequest.Method = "POST"; byte[] bytes = Encoding.ASCII.GetBytes(_requestDetails); webRequest.ContentLength = bytes.Length; try { using (Stream outputStream = webRequest.GetRequestStream()) { outputStream.Write(bytes, 0, bytes.Length); } using (WebResponse webResponse = webRequest.GetResponse()) { DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(AccessTokenInfo)); AccessTokenInfo token = (AccessTokenInfo)serializer.ReadObject(webResponse.GetResponseStream()); return(token); } } catch (Exception ex) { Debug.WriteLine(ex.Message); return(null); } }
public bool GenerateAuthenticationToken(string clientId, string clientSecret) { Authentication auth = new Authentication(clientId, clientSecret); try { _token = auth.Token; if (_token != null) { _authorizationToken = $"Bearer {_token.access_token}"; return(true); } else { RaiseOnError(new AudioErrorEventArgs("Failed to generate authentication token.")); return(false); } } catch (Exception ex) { RaiseOnError(new AudioErrorEventArgs($"Failed to generate authentication token - {ex.Message}")); return(false); } }
public Authentication(string clientId, string clientSecret) { _requestDetails = string.Format("grant_type=client_credentials&client_id={0}&client_secret={1}&scope={2}", HttpUtility.UrlEncode(clientId), HttpUtility.UrlEncode(clientSecret), HttpUtility.UrlEncode("https://speech.platform.bing.com")); _token = GetToken(); _tokenRenewer = new Timer(new TimerCallback(OnTokenExpiredCallback), this, TimeSpan.FromMinutes(TokenRefreshInterval), TimeSpan.FromMilliseconds(-1)); }
private void OnTokenExpiredCallback(object stateInfo) { try { AccessTokenInfo newAccessToken = GetToken(); _token = newAccessToken; } catch (Exception ex) { Console.WriteLine(string.Format("Failed renewing access token. Details: {0}", ex.Message)); } finally { _tokenRenewer.Change(TimeSpan.FromMinutes(TokenRefreshInterval), TimeSpan.FromMilliseconds(-1)); } }