private void RenewAccessToken() { AdmAccessToken newAccessToken = HttpPost(DatamarketAccessUri, this.request); //swap the new token with old one //Note: the swap is thread unsafe this.token = newAccessToken; Console.WriteLine(string.Format("Renewed token for user: {0} is: {1}", this.clientId, this.token.access_token)); }
public AdmAuthentication(string clientId, string clientSecret) { this.clientId = clientId; this.clientSecret = clientSecret; /* * If clientid or client secret has special characters, encode before sending request */ this.request = 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")); this.token = HttpPost(DatamarketAccessUri, this.request); // renew the token every specfied minutes accessTokenRenewer = new Timer(new TimerCallback(OnTokenExpiredCallback), this, TimeSpan.FromMinutes(RefreshTokenDuration), TimeSpan.FromMilliseconds(-1)); }
private AdmAccessToken HttpPost(string DatamarketAccessUri, string requestDetails) { //Prepare OAuth request WebRequest webRequest = WebRequest.Create(DatamarketAccessUri); webRequest.ContentType = "application/x-www-form-urlencoded"; webRequest.Method = "POST"; byte[] bytes = Encoding.ASCII.GetBytes(requestDetails); webRequest.ContentLength = bytes.Length; using (Stream outputStream = webRequest.GetRequestStream()) { outputStream.Write(bytes, 0, bytes.Length); } using (WebResponse webResponse = webRequest.GetResponse()) { DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(AdmAccessToken)); //Get deserialized object from JSON stream AdmAccessToken token = (AdmAccessToken)serializer.ReadObject(webResponse.GetResponseStream()); return(token); } }