// Supply functionality to controllers
        def controllers = grailsApplication.controllerClasses
        for(controller in controllers){
            controller.metaClass.authenticatedUser = {
                def authUser = User.get(SecurityUtils.getSubject()?.getPrincipal())
                if (!authUser) {
                    log.error("Authenticated user was not able to be obtained when performing profile action")
                    response.sendError(403)
                    return null
                }

                return authUser
            }
        }