Re: Reusing form configured in form based authentication

2009-01-15 Thread Christopher Schultz
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Charl,

Charl Gerber wrote:
 I have an application using form based authentication. Is it possible
 to use the same form as a stand-alone login screen?

Tomcat does not allow this use case because it is not covered by the
servlet specification. According to the spec, the only supported use
case is to have the remote user request a protected page, then challenge
them for credentials, etc.

If you want to allow drive-by logins, one option is to use
securityfilter (http://securityfilter.sourceforge.net/) which is a
(relatively) drop-in replacement for container-managed authentication
and authorization.

- -chris
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Reusing form configured in form based authentication

2009-01-12 Thread Charl Gerber
Hi,

I have an application using form based authentication. Is it possible to use 
the same form as a stand-alone login screen? Default, if you enter the url of 
the form manually (or get it from your browser's history) and you submit it, 
you get an error message. You always have a smart-ass who will do this, so I 
want to have my application properly handle it and never want error screen to 
show.

I would venture a guess that you just have to configure a proper servlet 
mapping for the j_security_check action to enable you to use the form directly 
also, but would that then cause problems for the server authentication? Or 
would Tomcat be able to handle this?

And the j_security_check action would then probably have to be configured so 
that no authentication is needed for it to execute, right? Otherwise I'll land 
in a loop.

Thanks!

Charl


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