private void OnUpdateFeedException(object sender, FeedSource.UpdateFeedExceptionEventArgs e)
{
this.resultInfos.Enqueue(e.Priority, new ThreadResultInfo(sender, e));
}
/// <summary>
/// Called by <see cref="FeedSource"/>, if update of a feed caused an exception
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void OnUpdateFeedException(object sender, FeedSource.UpdateFeedExceptionEventArgs e)
{
FeedSourceEntry entry = sourceManager.SourceOf((FeedSource)sender);
InvokeOnGui(delegate
{
if (e.ExceptionThrown.InnerException is ClientCertificateRequiredException)
{
X509Certificate2 cert = CertificateHelper.SelectCertificate(
String.Format(SR.Certificate_ForFeedSiteRequired_Message, e.FeedUri));
if (cert != null)
{
GetFeed(entry, e.FeedUri).certificateId = cert.Thumbprint;
SubscriptionModified(entry, NewsFeedProperty.FeedCredentials);
}
}
/*
* if (e.ExceptionThrown.InnerException is FacebookException)
* {
* FacebookException fe = e.ExceptionThrown.InnerException as FacebookException;
*
* if (fe.ErrorCode == 102) //session key has expired
* {
* try
* {
* FeedSourceEntry fse =
* this.FeedSources.Sources.SingleOrDefault(fs => fs.SourceType == FeedSourceType.Facebook);
*
* string FacebookAuthToken = String.Empty;
* DialogResult result = DialogResult.None;
*
* try
* {
* //TODO review: how do we get this token now?
* HttpWebRequest request = WebRequest.Create(FacebookConnectDialog.TokenUrl) as HttpWebRequest;
* FacebookAuthToken = new StreamReader(request.GetResponse().GetResponseStream()).ReadToEnd();
*
* //string fbUrl = String.Format(FacebookConnectDialog.FbLoginUrlTemplate, FacebookConnectDialog.ApiKey, FacebookAuthToken);
* string fbUrl = FacebookApp.Authorization.GetLoginUrl(FacebookAuthToken);
*
* // login user
* using (FacebookConnectDialog fcd = new FacebookConnectDialog(new Uri(fbUrl), uri =>
* {
* return true;
* }))
* {
* result = fcd.ShowDialog();
* }
* }
* catch (WebException)
* {
* MessageBox.Show(SR.ExceptionFacebookAuthToken, String.Empty, MessageBoxButtons.OK, MessageBoxIcon.Error);
* }
*
* if (result != DialogResult.OK)
* {
* throw new Exception(SR.ExceptionFacebookLogin);
* }
* else
* {
* var fbSource = fse.Source as IFacebookFeedSource;
*
* fbSource.SetAuthToken(FacebookAuthToken);
* fbSource.GetSessionKey();
* fse.Source.RefreshFeeds(true );// force_download
* }
* }
* catch (Exception)
* {
* // SingleOrDefault throws exception if more than one Facebook feed source is found
* }
* }
* }
*/
WebException webex = e.ExceptionThrown as WebException;
if (webex != null)
{
// yes, WebException
if (webex.Status == WebExceptionStatus.NameResolutionFailure ||
webex.Status == WebExceptionStatus.ProxyNameResolutionFailure)
{
// connection lost?
UpdateInternetConnectionState(true); // update connect state
if (!InternetAccessAllowed)
{
guiMain.UpdateFeed(entry, e.FeedUri, null, false);
stateManager.MoveNewsHandlerStateTo(FeedSourceBusyState.RefreshOneDone);
return;
}
}
}
Trace.WriteLine(e.ExceptionThrown.StackTrace);
UpdateXmlFeedErrorFeed(e.ExceptionThrown, e.FeedUri, true, entry);
stateManager.MoveNewsHandlerStateTo(FeedSourceBusyState.RefreshOneDone);
});
}
