/// <summary>
/// Logs the user of from the current request context.
/// </summary>
/// <param name="context">The <see cref="IMansionContext"/>.</param>
/// <param name="authenicationProvider">The authentication provider which to use.</param>
protected override void DoLogoff(IMansionContext context, AuthenticationProvider authenicationProvider)
{
// authenticate
authenicationProvider.Logoff(context);
// get the web request context
var webContext = context.Cast<IMansionWebContext>();
// check session
if (!webContext.Session.IsWritable)
throw new InvalidOperationException("Could not log off user because the session is not writeable");
// clear the user from the session
webContext.Session.Remove(GetRevivalCookieName(context));
// delete any revival cookies
context.DeleteCookie(GetRevivalCookieName(context));
}
