Vote has passed with four +1 and mostly general agreement.
With Thomas, we have fix the missing features, see XWIKI-8931 and
XWIKI-8933, and we are improving unit tests.
So, I will switch the default RightService later today, the jira issue
is XWIKI-8944
Your help will be welcome to fix any integration tests that start failing
after that.

Thanks,



On Sat, Mar 16, 2013 at 2:36 PM, Marius Dumitru Florea <
[email protected]> wrote:

> On Fri, Mar 15, 2013 at 9:44 PM, Denis Gervalle <[email protected]> wrote:
> > On Fri, Mar 15, 2013 at 12:35 PM, Vincent Massol <[email protected]>
> wrote:
> >
> >>
> >> On Mar 15, 2013, at 12:14 PM, Denis Gervalle <[email protected]> wrote:
> >>
> >> > On Fri, Mar 15, 2013 at 12:06 PM, Jean-Vincent Drean <[email protected]>
> >> wrote:
> >> >
> >> >> On Fri, Mar 15, 2013 at 11:25 AM, Denis Gervalle <[email protected]>
> wrote:
> >> >>> On Fri, Mar 15, 2013 at 10:57 AM, Vincent Massol <
> [email protected]>
> >> >> wrote:
> >> >>>
> >> >>>>
> >> >>>> On Mar 15, 2013, at 10:50 AM, Denis Gervalle <[email protected]>
> wrote:
> >> >>>>
> >> >>>>> On Fri, Mar 15, 2013 at 10:47 AM, Vincent Massol <
> [email protected]
> >> >
> >> >>>> wrote:
> >> >>>>>
> >> >>>>>>
> >> >>>>>> On Mar 15, 2013, at 10:33 AM, Denis Gervalle <[email protected]>
> wrote:
> >> >>>>>>
> >> >>>>>>> On Fri, Mar 15, 2013 at 3:12 AM, Ludovic Dubost <
> [email protected]
> >> >
> >> >>>>>> wrote:
> >> >>>>>>>
> >> >>>>>>>> 2013/3/14 Denis Gervalle <[email protected]>
> >> >>>>>>>>
> >> >>>>>>>>> On Thu, Mar 14, 2013 at 11:12 PM, Jerome Velociter <
> >> >>>>>> [email protected]
> >> >>>>>>>>>> wrote:
> >> >>>>>>>>>
> >> >>>>>>>>>> Hi Denis,
> >> >>>>>>>>>>
> >> >>>>>>>>>> Le 14/03/13 22:59, Denis Gervalle a écrit :
> >> >>>>>>>>>>
> >> >>>>>>>>>> On Thu, Mar 14, 2013 at 9:20 PM, Denis Gervalle <
> [email protected]>
> >> >>>>>>>> wrote:
> >> >>>>>>>>>>>
> >> >>>>>>>>>>> Hi devs,
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> We have a new (component based) authorization module since
> a
> >> >> while
> >> >>>>>>>> now,
> >> >>>>>>>>>>>> and I think 5.0 is the perfect time to introduce it as the
> >> >> default
> >> >>>>>>>>> right
> >> >>>>>>>>>>>> service. First, I simply propose to change the default in
> >> >>>> xwiki.cfg:
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>>
> >> >>>>>>>>>
> >> >>>>>>
> >> >>
> xwiki.authentication.**rightsclass=org.xwiki.**security.authorization.**
> >> >>>>>>>>>>>> internal.**XWikiCachingRightService
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> (Later, I propose that we deprecate that bridge and that we
> >> >>>> create a
> >> >>>>>>>>>>>> friendly (xwiki oriented) interface over the more generic
> >> >>>>>>>>>>>> org.xwiki.security.**authorization.**AuthorizationManager.
> But
> >> >>>> leave
> >> >>>>>>>>>>>> this for a
> >> >>>>>>>>>>>> later proposal.)
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> So this vote is about changing the default in xwiki.cfg
> before
> >> >>>>>> 5.0M2.
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> pros:
> >> >>>>>>>>>>>> - improved performance, since the new service is using
> caching
> >> >>>>>>>>>>>> techniques
> >> >>>>>>>>>>>> and a single page load required lots of calls to it.
> >> >>>>>>>>>>>> - ability for extension to add new rights
> >> >>>>>>>>>>>> - define right declaratively
> >> >>>>>>>>>>>> - separate method for checking and verifying right (throws
> >> >> opposed
> >> >>>>>>>> to
> >> >>>>>>>>>>>> boolean return)
> >> >>>>>>>>>>>> - fix some long waiting bugs like XWIKI-5174, XWIKI-6987,
> as
> >> >> well
> >> >>>>>>>> as
> >> >>>>>>>>>>>> some unstated ones
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> Also XWIKI-4550
> >> >>>>>>>>>>>
> >> >>>>>>>>>>> - possibility to easily solve issues like XWIKI-4491
> >> >>>>>>>>>>>> - no more admin right per default
> >> >>>>>>>>>>>> - being in good position to improve it and release
> >> >> dependencies to
> >> >>>>>>>>>>>> oldcore for security matters.
> >> >>>>>>>>>>>> - possibility for third party to adapt the right settler to
> >> >> their
> >> >>>>>>>>>>>> special
> >> >>>>>>>>>>>> needs (right decision is plugable)
> >> >>>>>>>>>>>> - a consistant right evaluation with very few exception
> that
> >> >> could
> >> >>>>>>>> be
> >> >>>>>>>>>>>> explained and documented
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>> cons:
> >> >>>>>>>>>>>> - no more admin right per default, but since we have DW,
> the
> >> >>>>>>>> initial
> >> >>>>>>>>>>>> setup is no more a problem, and advanced users may use
> >> >> superadmin.
> >> >>>>>>>>>>>> - groups are only checked from the user wiki, not from the
> >> >>>> accessed
> >> >>>>>>>>>>>> entity wiki.
> >> >>>>>>>>>>>>
> >> >>>>>>>>>>>
> >> >>>>>>>>>> This sound like a big regression.
> >> >>>>>>>>>>
> >> >>>>>>>>>> Can you explicit more ? Does this mean that adding a global
> >> (main
> >> >>>>>> wiki)
> >> >>>>>>>>>> user in a local group has no effect ?
> >> >>>>>>>>>>
> >> >>>>>>>>>
> >> >>>>>>>>> You have got it right. This could be improved, and help is
> >> >> welcome.
> >> >>>>>> What
> >> >>>>>>>>> happen is that the user groups are evaluated independently to
> the
> >> >>>>>>>> targeted
> >> >>>>>>>>> entity, and therefore only in the user wiki.
> >> >>>>>>>>>
> >> >>>>>>>>> I admit this is a regression, but I have not cross lots of use
> >> >> case
> >> >>>>>> like
> >> >>>>>>>>> those. The simple display in admin of Global user in local
> Group
> >> >> is
> >> >>>>>> even
> >> >>>>>>>>> broken (double xwiki:xwiki:...) so this does not seems to me a
> >> >> common
> >> >>>>>>>>> usage.
> >> >>>>>>>>> You may provide access to global group in a local wiki to
> achieve
> >> >> the
> >> >>>>>>>> same
> >> >>>>>>>>> goals.
> >> >>>>>>>>>
> >> >>>>>>>>>
> >> >>>>>>>> This looks to be indeed a big regression. It's quite a common
> use
> >> >> case
> >> >>>>>> to
> >> >>>>>>>> have only global users and to create groups in the local wiki
> that
> >> >>>>>> refer to
> >> >>>>>>>> local users.
> >> >>>>>>>>
> >> >>>>>>> ^^^^^^^^
> >> >>>>>>> I suppose you means global users here.
> >> >>>>>>>
> >> >>>>>>> IMHO, having user managed by a separate entity (global admin),
> and
> >> >>>> these
> >> >>>>>>> same individual users grouped by another one (local admin) is
> very
> >> >>>>>> uncommon
> >> >>>>>>> delegation of authority to me (but I may be wrong). On the other
> >> >> hand,
> >> >>>>>>> having a local admin providing access to local ressources to
> global
> >> >>>> group
> >> >>>>>>> (and potentially some global users) makes more sense. In that
> way,
> >> >> the
> >> >>>>>> same
> >> >>>>>>> admin manage its users, and group its users, and the local admin
> >> >> trust
> >> >>>>>> the
> >> >>>>>>> global admin to know its users.
> >> >>>>>>>
> >> >>>>>>> That said, I am not against any improvement on the way it
> works, if
> >> >> it
> >> >>>>>> is a
> >> >>>>>>> common use case (moreover used by workspace), we should
> obviously
> >> >>>> support
> >> >>>>>>> it. However, I am convince that evaluating groups based on both
> the
> >> >>>> user
> >> >>>>>>> and the targeted entity is not easily achievable and conduct to
> >> very
> >> >>>>>>> complex partial caching.
> >> >>>>>>>
> >> >>>>>>> I have currently not implemented in the security module anything
> >> >> that
> >> >>>>>> would
> >> >>>>>>> cause all wikis to be scanned, and I would really like to avoid
> >> >> that to
> >> >>>>>>> happen. So, it will be difficult to avoid partial caching, but
> we
> >> >> need
> >> >>>> to
> >> >>>>>>> limit that at the higher level, the subwiki. This would allow to
> >> had
> >> >>>> only
> >> >>>>>>> scan both the wiki of the user and the target entry to consider
> our
> >> >>>> cache
> >> >>>>>>> valid. It means subwiki will be unable to share groups (I do not
> >> >> think
> >> >>>>>> this
> >> >>>>>>> has ever worked), but it will keep performance on large farm.
> >> >>>>>>>
> >> >>>>>>> This would really need to be fixed sooner than later otherwise I
> >> >> know
> >> >>>>>>>> plenty of projects for which migration to 5.0 would be almost
> >> >>>> impossible
> >> >>>>>>>>
> >> >>>>>>>
> >> >>>>>>> I will need helps to achieve that for 5.0
> >> >>>>>>
> >> >>>>>> ok so before changing anything we need a plan i.e. someone
> >> >> volunteering
> >> >>>> to
> >> >>>>>> work on this, right?
> >> >>>>>>
> >> >>>>>
> >> >>>>> Do we really need that for 5.0 ?
> >> >>>>> Using the new module as a default does not means the old right
> >> >> service is
> >> >>>>> unavailable. Couldn't we simply define which case needs to revert
> to
> >> >> the
> >> >>>>> old modules in the RN, and have 5.0 without this feature ? We may
> >> even
> >> >>>>> release XEM without it if workspace need so.
> >> >>>>
> >> >>>> I thought the config change you were proposing was global… I'm
> lost…
> >> >>>>
> >> >>>
> >> >>> It was, but I was not aware that workspace may need (to be
> confirmed)
> >> >> that
> >> >>> special unsupported case.
> >> >>
> >> >> I don't see why you consider this use case as special, when all the
> >> >> users are managed in the main wiki and you want local admins to be
> >> >> able to manage groups in their wiki you need this. Or am I missing
> >> >> something ?
> >> >>
> >> >
> >> > I probably expressed myself badly. This is currently unsupported in
> the
> >> new
> >> > module. I am just saying that even if we release a 5.0 with this
> >> > regression, a simple like in xwiki.cfg will put back the old right
> >> service
> >> > for those who need this. First, only XEM is impacted, second only user
> >> with
> >> > this kind of delegation need that. So, this is not the general case
> IMO.
> >>
> >> Sure but it's not that simple. We certainly don't want users to be in a
> >> situation where their wiki doesn't work, then they spend time trying to
> >> understand. After a few days they post to the list and then only change
> the
> >> config property. This will be bad for us. It has to work. Of course we
> >> could put it in the Release Notes but it won't help much in practice.
> >>
> >> I'd prefer that we have someone committed to work on this before we
> change
> >> the default so that we're sure someone is going to work on this.
> >>
> >> In the meantime, maybe you could start a branch where you have it by
> >> default so that we can start fixing build/tests?
> >>
> >
> > This is really a lot of works for just a single line commit (redefining
> all
> > jenkins modules for the branch)
> > I think everyone has been +1 on the principe to push this new component
> > forward, so I see no point on doing that aside.
> >
> > I already made some preliminary test on my own machine, here are the
> > results:
> > (a few tests failed whatever the RightService used, however, here is the
> > delta)
> >
> > UITest: 1 failure, 1 error
> > SeleniumTest: 4 failures
> > Rest: 2 failures
> > Storage: 3 failures
> > WYSIWYG:  3 failures
> >
> > This does not seems much to me in regards to the change. If you all
> agree,
> > I would like to commit on master ASAP, so all of you may help fixing
> those
> > tests.
> >
> > Thomas proposed to help me fixing and improving tests while I add the
> > missing feature of global user in local group on monday (Good news, I
> > already some code that seems to be working, need to optimize a bit and
> > test thoroughly).
> > If everyone take a minimum of time to help fixing their own tests as
> > needed, I do not see why we could not be ready for 5.0M2.
> > And this leave us some more time to fix potential hidden issue before RC.
> >
> > So, do you agree to go that way and give this long awaited improvement a
> > real boost ?
>
> +1. I'll help fixing the failing tests.
>
> Thanks,
> Marius
>
> >
> >
> >>
> >> Thanks
> >> -Vincent
> >>
> >> > See my reply to Ludovic for more about how we need to work on that
> >> missing
> >> > feature.
> >> >
> >> >
> >> >>
> >> >> JV.
> >> _______________________________________________
> >> devs mailing list
> >> [email protected]
> >> http://lists.xwiki.org/mailman/listinfo/devs
> >>
> >
> >
> >
> > --
> > Denis Gervalle
> > SOFTEC sa - CEO
> > eGuilde sarl - CTO
> > _______________________________________________
> > devs mailing list
> > [email protected]
> > http://lists.xwiki.org/mailman/listinfo/devs
> _______________________________________________
> devs mailing list
> [email protected]
> http://lists.xwiki.org/mailman/listinfo/devs
>



-- 
Denis Gervalle
SOFTEC sa - CEO
eGuilde sarl - CTO
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