initial add

Fab2ApprovalSystem/Misc/SessionExpireFilterAttribute.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+
+
+namespace Fab2ApprovalSystem.Misc
+{
+    public class SessionExpireFilterAttribute : ActionFilterAttribute
+    {
+        public override void OnActionExecuting(ActionExecutingContext filterContext)
+        {
+            HttpSessionStateBase session = filterContext.HttpContext.Session;
+            HttpContext ctx = HttpContext.Current;
+
+
+            
+            // check if session is supported
+
+
+            if (session[GlobalVars.SESSION_USERNAME] == null)
+            {
+                // check if a new session id was generated
+
+                // this will force MVC to use the standard login redirect, enabling ReturnURL functionality
+                System.Web.Security.FormsAuthentication.SignOut();
+                filterContext.Result = new System.Web.Mvc.HttpUnauthorizedResult();
+
+                return;
+            }
+
+           
+
+
+            base.OnActionExecuting(filterContext);
+        }
+    }
+}