protected override bool ValidateSharePointContext(SharePointContext spContext, HttpContextBase httpContext)
{
SharePointHighTrustContext spHighTrustContext = spContext as SharePointHighTrustContext;
if (spHighTrustContext != null)
{
Uri spHostUrl = SharePointContext.GetSPHostUrl(httpContext.Request);
WindowsIdentity logonUserIdentity = httpContext.Request.LogonUserIdentity;
return(spHostUrl == spHighTrustContext.SPHostUrl &&
logonUserIdentity != null &&
logonUserIdentity.IsAuthenticated &&
!logonUserIdentity.IsGuest &&
logonUserIdentity.User == spHighTrustContext.LogonUserIdentity.User);
}
return(false);
}