Foo

@using Microsoft.AspNet.Identity
@inherits UmbracoTemplatePage

@{
    var isAuthenticated = User.Identity.IsAuthenticated;

    var username = User.Identity.GetUserName();

    //run our access control check

    var checker = new ContactAccessChecker();

    if (!isAuthenticated || !checker.HasAccess(username))
    {
        //redirect to somewhere else
    }

    // show the content



    public class ContactAccessChecker {

        public bool HasAccess(string username)
        {
            var membership = ApplicationContext.Current.Services.MemberService.GetByUsername(username);

            if (membership != null)
            {
                //we think you are a staff/faculty
                
                //check for roles
                var hasRole = true;

                if (hasRole)
                {
                    return true;
                }
            }
            else
            {
                //we think you are a student

                var isInDb = true;

                if (isInDb)
                {
                    return true;
                }
            }

            return false;
        }
    }
}