[hunchentoot-devel] Re: hunchentoot authorization
Bryan Emrys
bryan.emrys at gmail.com
Sat Apr 12 23:24:51 UTC 2008
Agreed. I got too mono-focused there.
Bryan
On Saturday 12 April 2008 03:25:33 pm Cyrus Harmon wrote:
>
> I would argue that this sort of plumbing sits between the server and
> the application. It's the kind of infrastructure that multiple
> application uses and it probably needs to know something about the
> server in order to function properly. But the whole distinction
> between application and server is rather nebulous and arbitrary.
>
> What I have in mind is a relative simple, extensible system for
> managing users/passwords/groups and for allowing one to server pages
> with various scenarios in mind, such as requiring that a user become
> an authenticated user before seeing certain pages, that different
> users see different content based on various properties, etc...
> Clearly more complex applications may have more demanding requirements
> for this functionality, but a basic, extensible infrastructure sitting
> on top of hunchentoot seems like it would enable folks to have a leg
> up when beginning to write the kind of apps you mention.
>
> Cyrus
>
> On Apr 12, 2008, at 3:16 PM, Bryan Emrys wrote:
>
> > Is this a server function or an app function? By the time you start
> > rolling out full ACL capability, aren't you pretty far removed from
> > the server?
> >
> > On the app I'm maintaining (non-lisp), data can come in from several
> > sources with different licenses. Some of the data sources give us
> > site-wide licenses, others are limited to certain specific
> > individuals. So it isn't just a question of is the user authorized
> > to see a certain area of the site (and, if so, do they have read/add/
> > edit capabilities within that area), but data searches need to see
> > if this chunk of data has license restrictions which further limit
> > the read/add/edit capability for that specific piece of data.
> >
> > So a typical internal user will say - log me in and the app knows
> > that this user is limited to area 123.
> > The user asks "tell me everything we know about in XYZ in Thailand"
> > The app then looks for everything in the system about XYZ in
> > Thailand which this user is allowed to view and builds a page from
> > that data.
> >
> > Since "pages" are built on the fly from the database search results,
> > there is no such thing as an "authorized page". A different user who
> > may be on more or fewer or just different data source licenses would
> > see a completely "different" page. (Different in the sense that the
> > data on the page would be different - the url would be exactly the
> > same.) The user could even see a page with no data, just a generic
> > error message that either we have no data on the particular question
> > or they are not authorized for access to whatever data we have on
> > the particular question. Since the webapp only knows that the
> > database search returned no data, it has no idea whether there is no
> > data in the system or just no data accessible by this user's
> > permissions.
> >
> > If a user has access to multiple areas within the webapp, they can
> > choose the generic home page or an area specific home page, but even
> > those pages are built on the fly. E.g., someone might have worldwide
> > access, but their concentration is on Europe, so their default
> > homepage after logging in shows only recent data updates for Europe.
> >
> > Then again, I may be missing the whole point here.
> >
> > Bryan
> >
>
>
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