/// <summary>
/// Signs in user or registers a new user.
/// </summary>
private void SetupControlForPublicUser()
{
RegisterFacebookScript();
// Validate FB access token against FB server
string facebookUserId = null;
bool facebookCookiesValid = false;
string confirmToken = QueryHelper.GetString(CONFIRMATION_URLPARAMETER, null);
string appSecret = FacebookConnectHelper.GetFacebookAppSecretKey(SiteContext.CurrentSiteName);
if (!String.IsNullOrEmpty(confirmToken))
{
facebookCookiesValid = FacebookConnectHelper.ValidateFBAccessToken(confirmToken, appSecret, out facebookUserId);
}
// If user has signed in
if (!String.IsNullOrEmpty(facebookUserId) && facebookCookiesValid)
{
UserInfo ui = UserInfoProvider.GetUserInfoByFacebookConnectID(facebookUserId);
// Claimed Facebook ID is in DB
if (ui != null)
{
SignInUser(ui, facebookUserId, confirmToken);
}
// Claimed Facebook ID not found = save new user
else
{
RegisterNewUser(facebookUserId, confirmToken);
}
}
}
/// <summary>
/// Maps the values of Facebook user profile attributes to the values of CMS user fields depending on the current settings.
/// </summary>
/// <param name="mappingTrigger">Specifies when the mapping of Facebook user profile occurs.</param>
/// <param name="user">The CMS user.</param>
/// <param name="userProfileId">The Facebook user profile identifier.</param>
/// <param name="facebookAccessToken">The Facebook access token.</param>
/// <remarks>
/// The CMS user name is updated only if it was generated by the CMS.
/// </remarks>
private void MapFacebookUserProfile(FacebookUserProfileMappingTriggerEnum mappingTrigger, UserInfo user, string userProfileId, string facebookAccessToken)
{
var facebookUserProvider = new FacebookUserProvider();
var facebookUser = facebookUserProvider.GetFacebookUser(userProfileId, facebookAccessToken, FacebookConnectHelper.GetFacebookAppSecretKey(SiteContext.CurrentSiteName));
bool userChanged = false;
// Change user's full name if it is in default format
if (String.IsNullOrEmpty(user.FullName) || (user.FullName == UserInfoProvider.FACEBOOKID_FULLNAME_PREFIX + userProfileId))
{
user.FullName = facebookUser.FacebookName;
userChanged = true;
}
// Map Facebook user on appropriate action
if (FacebookMappingHelper.GetUserProfileMappingTrigger(SiteContext.CurrentSiteName) >= mappingTrigger)
{
FacebookMappingHelper.MapUserProfile(facebookUser, user);
userChanged = true;
}
if (userChanged)
{
user.Update();
}
}