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From "Mark Benussi" <>
Subject Re: Last question on JAAS I promise
Date Tue, 09 Aug 2005 10:36:30 GMT
Um wow.... so Form authentication works but not my own.

Thats fine then, I can get the Subject that has been authenticated but how 
do I place the Principals returned from the LoginContext Subject and make 
them available to the session so that I can do requst.isUserInRole? Is there 
a session variable I have to set?

----Original Message Follows----
From: Adam Hardy <>
Reply-To: "Struts Users Mailing List" <>
To: Struts Users Mailing List <>
Subject: Re: Last question on JAAS I promise
Date: Tue, 09 Aug 2005 09:49:59 +0100

Mark Benussi on 09/08/05 08:39, wrote:
>OK I got JAAS working with form authentication. That worked a treat (After 
>bit of head banging).
>I then moved to invoking the login from Struts (Or a Servlet for Tomcat
>users who don't use Struts)
>The code still gets invoked correctly.
>IBTJAASCallbackHandler callbackHandler = new
>IBTJAASCallbackHandler(loginForm.getUserName(), loginForm.getPassword());
>LoginContext context = new LoginContext("IBTJAAS", callbackHandler);
>However the request.remoteUser() is now null (Was populated correctly when 
>used form authentication) and the same for request.isUserInRole() (It
>returns false, even though the Principal was added to the subject).
>Any ideas...?

I could be totally wrong but I believe that I have read about people trying 
this before, and that the answer was that you have to do it all yourself.

I hesitate to say that since I'm not 100% sure but I think it's true because 
it makes sense that the container (request.isUserInRole etc) would know 
nothing about what you are doing with LoginContext and CallbackHandler. I 
don't think there is any code in LoginContext that injects your info into 
the servlet container, is there?

In this situation, you would override the HttpServletRequest class, 
overriding those methods with your own so that they look for your login info 
and return user objects, roles etc when required.

You could ask on the tomcat user list but I too have found it difficult to 
get help there.


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