private void OnAuthoirzeDialogClick(object sender, RoutedEventArgs e)
{
AccessTokenTextBlock.Text = string.Empty;
string scope = "public_profile,email";
string fbAppId = "{facebook app id}";
string appId = WebAuthenticationBroker.GetCurrentApplicationCallbackUri().OriginalString;
string request = $"https://www.facebook.com/v2.6/dialog/oauth?client_id={fbAppId}&redirect_uri={appId}&response_type=token&scope={scope}&display=popup";
OAuthDialog oauthdialog = new OAuthDialog();
oauthdialog.AuthorizeRedirectChanged += (o, a) =>
{
int idx = a.IndexOf("access_token");
if (idx > 0)
{
string[] data = a.Split(new string[] { "#" }, StringSplitOptions.RemoveEmptyEntries);
Dictionary <string, string> returnData = data[1].Split(new[] { '&' }, StringSplitOptions.RemoveEmptyEntries)
.Select(part => part.Split('='))
.ToDictionary(split => split[0], split => split[1]);
AccessTokenTextBlock.Text = returnData["access_token"];
}
else
{
AccessTokenTextBlock.Text = a;
}
};
oauthdialog.AuthorizeUrl = request;
oauthdialog.Show();
}
public override void Execute(object parameter)
{
var dlg = new OAuthDialog();
bool? result = dlg.ShowDialog();
if (result.HasValue == result.Value)
Client.CheckAuthorization();
}
