protected void Page_Load(object sender, EventArgs e)
{
try
{
Trace.Write("SP", "Single Logout Service");
// Receive the logout request or response.
XmlElement logoutMessage = null;
string relayState = null;
bool isRequest = false;
bool signed = false;
X509Certificate2 x509Certificate = (X509Certificate2)Application[Global.IdPX509Certificate];
SingleLogoutService.ReceiveLogoutMessageByHTTPRedirect(Request, out logoutMessage, out relayState, out isRequest, out signed, x509Certificate.PublicKey.Key);
if (isRequest)
{
ProcessLogoutRequest(new LogoutRequest(logoutMessage), relayState);
}
else
{
ProcessLogoutResponse(new LogoutResponse(logoutMessage), relayState);
}
}
catch (Exception exception)
{
Trace.Write("SP", "Error in single logout service.", exception);
}
}
protected void logoutButton_Click(object sender, EventArgs e)
{
try {
// Create a logout request.
LogoutRequest logoutRequest = new LogoutRequest();
logoutRequest.Issuer = new Issuer(CreateAbsoluteURL("~/"));
logoutRequest.NameID = new NameID(Context.User.Identity.Name);
// Serialize the logout request to XML for transmission.
XmlElement logoutRequestXml = logoutRequest.ToXml();
// Send the logout request to the IdP over HTTP redirect.
string logoutURL = WebConfigurationManager.AppSettings["idpLogoutURL"];
X509Certificate2 x509Certificate = (X509Certificate2)Application[Global.SPX509Certificate];
SingleLogoutService.SendLogoutRequestByHTTPRedirect(Response, logoutURL, logoutRequestXml, null, x509Certificate.PrivateKey);
// Logout locally.
FormsAuthentication.SignOut();
Session.Abandon();
}
catch (Exception exception) {
Trace.Write("SP", "Error on logout page", exception);
}
}
// Send the logout response.
private void SendLogoutResponse(ref LogoutResponse logoutResponse)
{
Trace.Write("SP", "Sending logout response.");
// Serialize the logout response for transmission.
XmlElement logoutResponseXml = logoutResponse.ToXml();
// Send the logout response over HTTP redirect.
X509Certificate2 x509Certificate = (X509Certificate2)Application[Global.SPX509Certificate];
SingleLogoutService.SendLogoutResponseByHTTPRedirect(Response, WebConfigurationManager.AppSettings["idpLogoutURL"], logoutResponseXml, null, x509Certificate.PrivateKey, null);
Trace.Write("SP", "Sent logout response.");
}
