[Yanel-dev] Assigning new group to a user at runtime

[Michael Wechner]

Hi Balz

I have now added a new utility method to

Sending        src/webapp/src/java/org/wyona/yanel/servlet/YanelServlet.java
Transmitting file data .
Committed revision 55546.

public static void setIdentity(Identity identity, HttpSession session, =

Realm realm)

by using it for example with

User user =3D =

realm.getIdentityManager().getUserManager().getUser(trueUserId, true);
YanelServlet.setIdentity(new Identity(user, username), session, realm);

because the constructor

new Identity(User, String)

will resolve the groups again.

HTH

Michael

On 12/15/10 12:54 PM, Balz Schreier wrote:
> Hi Michael,
> I fully understand the performance reasons and I think this has to be =

> like this. I actually just wanted to know whether I have missed any =

> API possibility to update the groups.
>
> So my suggestion would be to extend the Yanel Core API with a new =

> method, where the whole group and other security stuff is redone again =

> and attached to the session (Maybe we can reuse the very same code =

> that does the initial stuff).
>
> What do you think?
>
> On Wed, Dec 15, 2010 at 11:43 AM, Michael Wechner =

> <michael.wechner at wyona.com <mailto:michael.wechner at wyona.com>> wrote:
>
>     Hi Balu
>
>
>     On 12/15/10 10:03 AM, Balz Schreier wrote:
>
>         Hi,
>
>         I have the usecase where a user gets assigned a new group
>         while he is logged in.
>         I noticed that Yanel reflects this change only after a login
>         of that user, means as long as the user stays logged in, the
>         user does not benefit from the new assignment yet.
>
>
>     the reason for that is that for performance reasons the groups
>     (and its parents and parents) are loaded
>     during login and attached to the session, because these are used
>     for access control, and since every "html request" has many other
>     requests as a consequence it's good to have this "cached".
>
>     Now when you update the group settings the sessions are not being
>     touched and hence one
>     does not notice such a  change.
>
>     I am not saying that this is good, but the question is how we can
>     do this better, but please see below ...
>
>
>         Question: How can I tell Yanel to reinitialize the User
>         (Identity) and its Groups ?
>
>
>     - we could try to change the session
>     - we could change the implementation by using conf/ehcache.xml
>     instead the sessions.
>
>     Any other suggestions?
>
>     Thanks
>
>     Michael
>
>
>         Thanks
>         Cheers
>         Balz
>
>
>     -- =

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>
>

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