[Xapian-discuss] Filtering documents by permissions in PHP

james cauwelier james.cauwelier at gmail.com
Wed Jul 15 13:52:26 BST 2009

It seems that a lot of people want this functionality.  I asked the
exact same thing 1-2 weeks ago.

2009/7/15 Olly Betts <olly at survex.com>:
> On Wed, Jul 15, 2009 at 10:16:27AM +0200, Ví?a Pl?ek wrote:
>> Is somehow possible to subclass Deciders or overide theirs accept method
>> or define some callback in PHP?
> Not currently.  I'm mentoring a student in Google's Summer of Code to
> add the needed support to SWIG to allow such subclassing, and given
> his progress so far it seems very likely he'll succeed.  So this will
> probably be possible in the development version of Xapian in a month or
> two.
>> Has someone solved this problem? Or how do you filter documents by
>> permissions?
> I'd index the permissions as terms and then filter on them by building a
> boolean query from those terms.  Then you can use OP_FILTER to combine
> that with the rest of your query,
> For example, you could model the standard Unix permissions system by
> indexing these terms for each document:
>  * XUSERfoo for a file owned by user "foo" and user-readable.
>  * XGROUPbar for a file with group "bar" and group-readable.
>  * XWORLD for a world readable file.
> And if I'm in groups users and bar I can read files which match this
> query:
> Cheers,
>    Olly
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