In the User singleton object, add:
override def homePage = whereAfterLogin.is openOr super.homePage
object whereAfterLogin extends SessionVar[Box[String]](Empty)
And in Boot.scala:
LiftRules.setSiteMap(new SiteMap(List({
case Full(Req(path, _, _)) if !User.loggedIn_? &&
!path.startsWith(List("user_mgt")) && path != List("index") =>
Loc.EarlyResponse(() => {S.error("You must be logged in")
val uri = S.uri
S.redirectTo("/user_mgt/login", () =>
{User.whereAfterLogin.set(Full(uri))})})
}), entries:_*))
So, what this does is it always redirects you to the login screen if you're
not logged in (unless you're accessing the home page or something in
/user_mgt. It remembers the URL that you came from and sends you back there
after you log in.
Hope this helps.
Thanks,
David
On Fri, Jul 3, 2009 at 3:39 AM, Ewan <[email protected]> wrote:
>
> I wonder if anyone would care to advise of the most appropriate
> solution for not rendering sitemap menu items with additional redirect
> to a login page. I have read a couple of solutions in this list but
> here is what I have done cobbled together from the liftbook.
>
> I have an If LocParam for testing if a user is logged in which is
> added to a menu:
>
> val loggedInLocParam = If(() => User.loggedIn_?,
> () => RedirectWithState("/user_mgt/login",
> RedirectState(Empty, ("You must login", NoticeType.Notice))))
>
> this seems to achieve the effect I am looking for in that the menuitem
> is not rendered and if the url was bookmarked and the user tries a GET
> then they are redirected to login and a notice is added and rendered
> at the top of the page accordingly.
>
> Is this a good solution or can this cat be skinned better? I have
> read something about Loc.EarlyResponse and was hoping for an
> explanation.
>
> --Ewan
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
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