private void DoGetRequestToken() { // Fire the OnBeforeGetRequestToken event PreRequestEventArgs args = new PreRequestEventArgs(Service.RequestTokenUrl, Service.RequestTokenEndPoint.HttpMethod, CallbackUrl); if (BeforeGetRequestToken != null) { BeforeGetRequestToken(this, args); } OAuthParameters authParams = CreateOAuthParameters(args.AdditionalParameters); authParams.Callback = args.CallbackUrl == null ? OAuthOutOfBandCallback : args.CallbackUrl.AbsoluteUri; SignParameters(args.RequestUri, args.HttpMethod, authParams, null); // Create and sign the request HttpWebRequest request = CreateRequest( args.RequestUri, authParams, args.HttpMethod, args.HttpMethod == "POST" ? HttpPostUrlEncodedContentType : String.Empty, null); OAuthParameters responseParameters; // Get the service provider response try { HttpWebResponse response = (HttpWebResponse)request.GetResponse(); // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(response); OAuthRequestException.TryRethrow(responseParameters); } catch (WebException e) { // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(e.Response as HttpWebResponse); OAuthRequestException.TryRethrow(responseParameters); // If no OAuthRequestException, rethrow the WebException throw; } // Store the request token RequestToken = new OAuthToken(TokenType.Request, responseParameters.Token, responseParameters.TokenSecret, Service.Consumer); // Fire the OnReceiveRequestToken event RequestTokenReceivedEventArgs responseArgs = new RequestTokenReceivedEventArgs(RequestToken); responseArgs.Parameters.Add(responseParameters.AdditionalParameters); if (ReceiveRequestToken != null) { ReceiveRequestToken(this, responseArgs); } }
private OAuthResponse GetResource(NameValueCollection parameters, string contentType, Stream bodyStream) { OAuthResponse response; HttpWebRequest request = PrepareProtectedResourceRequest(parameters, contentType, bodyStream); // A null value for the HttpWebRequest is returned when a ResponseToken is returned // and no one has returned in the AuthorizationHandler continue with getting an AccessToken // or an RequestToken exists but the AccessToken request was refused. if (request == null) { response = new OAuthResponse(RequestToken); } else { OAuthParameters responseParameters; try { OAuthResource resource = new OAuthResource((HttpWebResponse)request.GetResponse()); // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(resource); OAuthRequestException.TryRethrow(responseParameters); // If nothing is thrown then we should have a valid resource. response = new OAuthResponse(AccessToken ?? RequestToken, resource); } catch (WebException e) { // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(e.Response as HttpWebResponse); OAuthRequestException.TryRethrow(responseParameters); // If no OAuthRequestException, rethrow the WebException #warning TODO: We have consumer the WebException's body so rethrowing it is pretty pointless; wrap the WebException in an OAuthProtocolException and store the body (create an OAuthResource before parsing parameters) throw; } } return(response); }
private bool DoGetAccessToken() { // Fire the OnBeforeGetAccessToken event PreAccessTokenRequestEventArgs preArgs = new PreAccessTokenRequestEventArgs(Service.AccessTokenUrl, Service.AccessTokenEndPoint.HttpMethod, RequestToken, RequestTokenVerifier); if (BeforeGetAccessToken != null) { BeforeGetAccessToken(this, preArgs); } // Create and sign the request OAuthParameters authParams = CreateOAuthParameters(null); authParams.Verifier = preArgs.Verifier; // We don't have a verifier so something has gone wrong in the process. if (string.IsNullOrEmpty(authParams.Verifier)) { return(false); } SignParameters(preArgs.RequestUri, preArgs.HttpMethod, authParams, RequestToken); HttpWebRequest request = CreateRequest(preArgs.RequestUri, authParams, preArgs.HttpMethod, preArgs.HttpMethod == "POST" ? HttpPostUrlEncodedContentType : String.Empty, null); OAuthParameters responseParameters; // Get the service provider response try { HttpWebResponse response = (HttpWebResponse)request.GetResponse(); // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(response); OAuthRequestException.TryRethrow(responseParameters); } catch (WebException e) { // Parse the parameters and re-throw any OAuthRequestException from the service provider responseParameters = OAuthParameters.Parse(e.Response as HttpWebResponse); OAuthRequestException.TryRethrow(responseParameters); // If no OAuthRequestException, rethrow the WebException throw; } // Store the access token AccessToken = new OAuthToken(TokenType.Access, responseParameters.Token, responseParameters.TokenSecret, Service.Consumer); // Fire the OnReceiveAccessToken event AccessTokenReceivedEventArgs responseArgs = new AccessTokenReceivedEventArgs(RequestToken, AccessToken); responseArgs.AdditionalParameters.Add(responseParameters.AdditionalParameters); if (ReceiveAccessToken != null) { ReceiveAccessToken(this, responseArgs); } return(true); }