Hi All,

I know there has been some discussion on best approaches in tapestry for
authenticating access to web pages, so apologies if i have missed the
answer to this:

Initially I was tempted by the simplest approach - that is just store
some "UserState" in the session via @SessionState and check this in
onActivate().

However I feel using a "@RequiresLogin" annotation approach is a little
more robust. I've been following Howard's tutorial here:

http://tapestryjava.blogspot.com/2009/12/securing-tapestry-pages-with.html

Now my question is two-fold:

1) How do I define and contribute a service in tapestry?
2) How does this guy know that the user _is_ authenticated? Should my
service cache logged-in users itself, or can it access the session?

Thanks for help,

Richard.





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