protected virtual void OnAuthChanged(OAuthEvent e)
{
this.OAuthToken = e.OAuth;
// do callback
if (_on_oauth_changed != null)
{
_on_oauth_changed.Invoke(this, e);
}
}
private void TwitchBrowser_Navigated(object sender, WebBrowserNavigatedEventArgs e)
{
// check to see if we at the callback URL stage
if (e.Url.AbsoluteUri.StartsWith(this.TwitchCallbackUri.OriginalString))
{
// check the callback #
int sharp_index = e.Url.AbsoluteUri.IndexOf('#', this.TwitchCallbackUri.OriginalString.Length);
// got the # location
if (sharp_index >= 0)
{
// parse the query string
string query = e.Url.AbsoluteUri.Substring(sharp_index + 1);
// get all the options from the query string
var options = HttpUtility.ParseQueryString(query);
// check to see if we have the access_token & scope
if (options.AllKeys.Contains("access_token") &&
options.AllKeys.Contains("scope"))
{
// create the event
OAuthEvent oae = new OAuthEvent();
oae.StatusCode = OAuthStatusCode.AUTHENTICATED;
oae.OAuth = options["access_token"];
// add each scope option
string[] scope_options = options["scope"].Split('+');
foreach (string scope_option in scope_options)
{
oae.Scope.Add(scope_option);
}
// fire the event
OnAuthChanged(oae);
// clean up
this.Hide();
}
}
else
{
// they cancel the OAuth process by click "cancel" or an error has happen
// create the event (error)
OAuthEvent oae = new OAuthEvent();
var options = HttpUtility.ParseQueryString(e.Url.Query);
// assume canceled
oae.StatusCode = OAuthStatusCode.CANCELED;
// check for other error codes
if (options.AllKeys.Contains("error"))
{
if (options["error"] == "redirect_mismatch")
{
oae.StatusCode = OAuthStatusCode.CALLBACK_URL_MISMATCH;
oae.StatusMessage = options["error_description"].Replace('+', ' ');
}
}
this.Hide();
}
}
else if (e.Url.AbsoluteUri.StartsWith("https://api.twitch.tv/"))
{
this.Show();
}
}
