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From David Jencks <david_jen...@yahoo.com>
Subject Re: Tomcat 7, Valve -> Filter conversion, and container-managed authentication/authorization
Date Wed, 28 Apr 2010 22:40:04 GMT
I'd be curious how many of the features in securityfilter can be done with servlet 3 (which
includes the ability for an app to programatically force a login) and jaspic (jsr 196) which
provides for pluggable authentication dialogs between client and server (to overly simplify
it).  It looks to me as if all the features in your brief description are now supported by
ee specs, which also offer the advantages of container managed authorization.

thanks
david jencks

On Apr 28, 2010, at 10:49 AM, Christopher Schultz wrote:

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> Hash: SHA1
> 
> All,
> 
> Hello, I'm Chris Schultz, the maintainer of the securityfilter project
> (http://securityfilter.sourceforge.net/) and active member of the
> tomcat-user mailing list.
> 
> I've been loosely following the plans for Tomcat 7 and was interested to
> see that there's an effort to convert existing Tomcat Valve components
> into Filters, I suppose to make them more flexible and also to increase
> portability.
> 
> For those unfamiliar with the project, securityfilter is a filter-based
> implementation of authentication and authorization that aims to comply
> with the Java Servlet Specification while offering features above and
> beyond it. Most of our users have abandoned container-managed auth
> provided by containers such as Tomcat because of missing features (not
> specified by the servlet spec) such as "barge-in" logins, customized
> after-login pages, and customizability that doesn't tie the web
> application to any specific container.
> 
> I inherited the existing securitfyilter code base from Max Cooper and
> I've been trying to improve the compliance with the servlet spec and to
> ensure support for the more recent versions of the spec (sf is mostly
> 2.3 compliant, but we're trying to fill-in all the holes). After adding
> a few features to the 2.x code base, I'm considering a full re-write of
> the code for a 3.x version that is more flexible than the current
> implementation.
> 
> I was thinking that, as Tomcat contemplates a conversion of
> container-managed auth from a Valve to a Filter, securityfilter could
> possibly factor-into that conversion. I'd be happy to convert sf into an
> Apache commons/incubator project and have Tomcat use it for
> authentication and authorization.
> 
> Mark Thomas has indicated his interest in discussing this possibility on
> the development list, so I'm presenting it to the group. I'd be happy to
> give more details about my current plans for sf, etc. but I figured that
> if there was significant interest in the Tomcat/ASF communities, we
> could discuss what feature set ought to be available.
> 
> Please let me know if the community is interested in "adopting"
> securityfilter and, ultimately, using it in Tomcat.
> 
> Thanks,
> - -chris
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