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From Antony Bowesman <...@teamware.com>
Subject Re: per-context realms
Date Thu, 07 Jun 2001 05:39:06 GMT
Michael Jennings wrote:
> 
> Hi everyone,
> 
> Does anyone have an idea of how I could go about implementing
> realms/authentication on a per-context basis?
> Ideally, what I would like to do is have each context control
> their users and roles. Where should I look to get a clue?

Make a simple realm implementation that simply gets the real realm
config information from the context passed with the request, e.g.

authenticate(Req)
{
   Context ctx = req.getContext();

   // Now you have all the context config available
..
}

I have a JAAS realm which has context specific realm config using the

  <context-param>
    <param-name>Name</param-name>
    <param-value>Value</param-value>
  </context-param>

attributes in web.xml to provide context specific control.

In the realm, just so

   String ctxNameValue = ctx.getInitParameter("Name");

or similar.  With JAAS this is easy, because JAAS allows for different
JAAS configurations to be used, you just specify a different config name
to the JAAS context.

Antony

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