/// <summary>
/// Registers Facebook javascript SDK to the page.
/// </summary>
private void RegisterFacebookScript()
{
if (Page is ContentPage)
{
// Adding XML namespace
((ContentPage)Page).XmlNamespace = FacebookConnectHelper.GetFacebookXmlNamespace();
}
// Init FB connect
string initscr = FacebookConnectHelper.GetFacebookInitScriptForSite(SiteContext.CurrentSiteName) + " " + FacebookConnectHelper.GetFacebookLoginHandlerScript();
ScriptHelper.RegisterClientScriptBlock(this, typeof(string), "FBConnectLogon" + ClientID, initscr);
}
/// <summary>
/// Initializes the control properties.
/// </summary>
protected void SetupControl()
{
if (StopProcessing)
{
Visible = false;
}
else
{
if (QueryHelper.GetInteger("logout", 0) > 0)
{
// Sign out from CMS
CMSContext.LogoutUser();
CMSContext.CurrentUser = null;
Response.Cache.SetNoStore();
URLHelper.Redirect(URLHelper.RemoveParameterFromUrl(URLHelper.CurrentURL, "logout"));
return;
}
string currentSiteName = CMSContext.CurrentSiteName;
if (!String.IsNullOrEmpty(currentSiteName) && SettingsKeyProvider.GetBoolValue(currentSiteName + ".CMSEnableFacebookConnect"))
{
// Check Facebook Connect settings
if (!FacebookConnectHelper.FacebookIsAvailable(currentSiteName))
{
// Display warning message in "Design mode"
if (DisplayMessage())
{
return;
}
Visible = false;
return;
}
// Try to retrieve return URL from query
string returnUrl = QueryHelper.GetString("returnurl", null);
// Init Facebook Connect
if (Page is ContentPage)
{
// Adding XML namespace
((ContentPage)Page).XmlNamespace = FacebookConnectHelper.GetFacebookXmlNamespace();
}
// Init FB connect
string initscr = FacebookConnectHelper.GetFacebookInitScriptForSite(currentSiteName) + " " + FacebookConnectHelper.GetFacebookLoginHandlerScript();
ScriptHelper.RegisterClientScriptBlock(this, typeof(string), "FBConnectLogon" + ClientID, initscr);
// Return URL
string currentUrl = URLHelper.AddParameterToUrl(URLHelper.CurrentURL, "logout", "1");
string additionalScript = "window.location.href=" + ScriptHelper.GetString(URLHelper.GetAbsoluteUrl(currentUrl)) + "; return false;";
// Logout script for FB connect
string logoutScript = FacebookConnectHelper.GetFacebookLogoutScriptForSignOut(URLHelper.CurrentURL, FacebookConnectHelper.GetFacebookApiKey(currentSiteName), additionalScript);
// Validate FB access token against FB server
string facebookUserId = null;
bool facebookCookiesValid = false;
string confirmToken = QueryHelper.GetString(CONFIRMATION_URLPARAMETER, null);
if (!String.IsNullOrEmpty(confirmToken))
{
facebookCookiesValid = FacebookConnectHelper.ValidateFBAccessToken(confirmToken, out facebookUserId);
}
// If user is already authenticated
if (CMSContext.CurrentUser.IsAuthenticated())
{
// Is user logged in using Facebook Connect?
if ((CMSContext.CurrentUser.UserSettings != null) && String.IsNullOrEmpty(CMSContext.CurrentUser.UserSettings.UserFacebookID))
{
// no, user is not logged in by Facebook Connect
logoutScript = additionalScript;
}
// Hide Facebook Connect button
plcFBButton.Visible = false;
// If signout should be visible and user has FacebookID registered
if (ShowSignOut && !String.IsNullOrEmpty(CMSContext.CurrentUser.UserSettings.UserFacebookID))
{
// If only text is set use text/button link
if (!String.IsNullOrEmpty(SignOutText))
{
// Button link
if (ShowAsButton)
{
btnSignOut.OnClientClick = logoutScript;
btnSignOut.Text = SignOutText;
btnSignOut.Visible = true;
}
// Text link
else
{
lnkSignOutLink.Text = SignOutText;
lnkSignOutLink.Visible = true;
lnkSignOutLink.Attributes.Add("onclick", logoutScript);
lnkSignOutLink.Attributes.Add("style", "cursor:pointer;");
}
}
// Image link
else
{
string signOutImageUrl = SignOutImageURL;
// Use default image if none is specified
if (String.IsNullOrEmpty(signOutImageUrl))
{
signOutImageUrl = GetImageUrl("Others/FacebookConnect/signout.gif");
}
imgSignOut.ImageUrl = ResolveUrl(signOutImageUrl);
imgSignOut.Visible = true;
imgSignOut.AlternateText = GetString("webparts_membership_signoutbutton.signout");
lnkSignOutImageBtn.Visible = true;
lnkSignOutImageBtn.Attributes.Add("onclick", logoutScript);
lnkSignOutImageBtn.Attributes.Add("style", "cursor:pointer;");
}
}
else
{
Visible = false;
}
}
// Sign In
else
{
if (facebookCookiesValid)
{
if (!String.IsNullOrEmpty(facebookUserId))
{
UserInfo ui = UserInfoProvider.GetUserInfoByFacebookConnectID(facebookUserId);
// Claimed Facebook ID is in DB
if (ui != null)
{
// Login existing user
if ((ui != null) && ui.Enabled)
{
// Ban IP addresses which are blocked for login
BannedIPInfoProvider.CheckIPandRedirect(currentSiteName, BanControlEnum.Login);
// Create autentification cookie
AuthenticationHelper.SetAuthCookieWithUserData(ui.UserName, true, Session.Timeout, new string[] { "facebooklogon" });
UserInfoProvider.SetPreferredCultures(ui);
int contactId = ModuleCommands.OnlineMarketingGetUserLoginContactID(ui);
Activity activity = new ActivityUserLogin(contactId, ui, CMSContext.CurrentDocument, CMSContext.ActivityEnvironmentVariables);
activity.Log();
// Redirect user
if (String.IsNullOrEmpty(returnUrl))
{
returnUrl = URLHelper.RemoveParameterFromUrl(URLHelper.CurrentURL, CONFIRMATION_URLPARAMETER);
}
URLHelper.Redirect(returnUrl);
}
// Otherwise is user disabled
else
{
lblError.Text = GetString("membership.userdisabled");
lblError.Visible = true;
}
}
// Claimed Facebook ID not found = save new user
else
{
// Check whether additional user info page is set
string additionalInfoPage = SettingsKeyProvider.GetStringValue(currentSiteName + ".CMSRequiredFacebookPage").Trim();
// No page set, user can be created
if (String.IsNullOrEmpty(additionalInfoPage))
{
// Register new user
string error = null;
ui = AuthenticationHelper.AuthenticateFacebookConnectUser(facebookUserId, currentSiteName, false, true, ref error);
// If user was found or successfuly created
if (ui != null)
{
// If user is enabled
if (ui.Enabled)
{
// Create authentification cookie
AuthenticationHelper.SetAuthCookieWithUserData(ui.UserName, true, Session.Timeout, new string[] { "facebooklogon" });
int contactID = ModuleCommands.OnlineMarketingGetUserLoginContactID(ui);
Activity activityLogin = new ActivityUserLogin(contactID, ui, CMSContext.CurrentDocument, CMSContext.ActivityEnvironmentVariables);
activityLogin.Log();
}
// Send registration e-mails
// E-mail confirmation is not required as user already provided confirmation by successful login using Facebook connect
AuthenticationHelper.SendRegistrationEmails(ui, null, null, false, false);
// Notify administrator
if (NotifyAdministrator && !String.IsNullOrEmpty(FromAddress) && !String.IsNullOrEmpty(ToAddress))
{
AuthenticationHelper.NotifyAdministrator(ui, FromAddress, ToAddress);
}
// Log registration into analytics
AuthenticationHelper.TrackUserRegistration(TrackConversionName, ConversionValue, currentSiteName, ui);
Activity activity = new ActivityRegistration(ui, CMSContext.CurrentDocument, CMSContext.ActivityEnvironmentVariables);
if (activity.Data != null)
{
activity.Data.ContactID = ModuleCommands.OnlineMarketingGetUserLoginContactID(ui);
activity.Log();
}
}
// Redirect when authentication was succesfull
if (String.IsNullOrEmpty(error))
{
if (!String.IsNullOrEmpty(returnUrl))
{
URLHelper.Redirect(URLHelper.GetAbsoluteUrl(returnUrl));
}
else
{
URLHelper.Redirect(URLHelper.RemoveParameterFromUrl(URLHelper.CurrentURL, CONFIRMATION_URLPARAMETER));
}
}
// Display error otherwise
else
{
lblError.Text = error;
lblError.Visible = true;
}
}
// Additional information page is set
else
{
// Store user object in session for additional info page
SessionHelper.SetValue(SESSION_NAME_USERDATA, facebookUserId);
// Redirect to additional info page
string targetURL = URLHelper.GetAbsoluteUrl(additionalInfoPage);
if (!String.IsNullOrEmpty(returnUrl))
{
// Add return URL to parameter
targetURL = URLHelper.AddParameterToUrl(targetURL, "returnurl", HttpUtility.UrlEncode(returnUrl));
}
URLHelper.Redirect(targetURL);
}
}
}
}
}
}
else
{
// Show warning message in "Design mode"
Visible = DisplayMessage();
}
}
}
