public ActionResult Connect(string returnUrl = "")
{
var settings = GetSettings();
var facebookUser = _facebookConnectService.FetchMe();
if (ValidateUser(facebookUser))
{
if (_facebookConnectService.AuthenticatedFacebookUserIsSaved())
{
var user = _facebookConnectService.UpdateAuthenticatedFacebookUser(facebookUser);
_authenticationService.SignIn(user.As <IUser>(), false);
}
// With this existing users can attach their FB account to their local accounts
else if (_authenticationService.IsAuthenticated())
{
_facebookConnectService.UpdateFacebookUser(_authenticationService.GetAuthenticatedUser(), facebookUser);
}
else if (settings.SimpleRegistration)
{
return(new ShapeResult(this, _orchardServices.New.FacebookConnectRegistrationChooser(ReturnUrl: returnUrl)));
}
else
{
return(this.RedirectLocal(Url.Action("Register", "Account", new { Area = "Orchard.Users" })));
}
}
return(this.RedirectLocal(returnUrl)); // "this" is necessary, as this is from an extension (Orchard.Mvc.Extensions.ControllerExtensions)
}
/// <summary>
/// Updates the currently authenticated Facebook user's local profile with fresh profile data from Facebook
/// </summary>
/// <param name="newData">Data to update the profile with. If not set, fresh data will be fetched from Facebook.</param>
/// <returns>The updated user</returns>
public static IFacebookUser UpdateAuthenticatedFacebookUser(this IFacebookConnectService service, IFacebookUser newData = null)
{
var facebookUser = GetAuthenticatedFacebookUser(service);
if (facebookUser == null)
{
return(null);
}
if (newData == null)
{
newData = service.FetchMe();
}
service.UpdateFacebookUser(facebookUser.As <IUser>(), newData);
return(facebookUser);
}
public void Created(UserContext context)
{
if (!_facebookConnectService.IsAuthenticated())
{
return;
}
// This can happen if someone connects to the site with FB, logs out then registers a new user while being logged in to FB.
// This prevents to attach the same FB user to different local users.
if (_facebookConnectService.AuthenticatedFacebookUserIsSaved())
{
return;
}
var facebookUser = _facebookConnectService.FetchMe();
IEnumerable <FacebookConnectValidationKey> errors;
if (_facebookConnectService.UserIsValid(facebookUser, _siteService.GetSiteSettings().As <FacebookConnectSettingsPart>(), out errors))
{
_facebookConnectService.UpdateFacebookUser(context.User.As <IUser>(), facebookUser);
}
}
