adding [johann and prabath].
could we review above scheme?

On Thu, Aug 11, 2016 at 7:13 AM, Manuranga Perera <[email protected]> wrote:

>
>    1.
>
>    Instead of creating a role dynamically, which was a hack, we can use
>    owner concept
>    2.
>
>    My idea was, since resources are hierarchical, we don't need a special
>    global level permissions
>
> Eg:
>
> jmstopic:/news/sports will have add, browse, delete,..
>
> jmstopic:/ will also have the same action set, but due to hierarchy it
> acts as the global level automatically.
>
> In this model 'manager' will just be a role with correct permission to
> that root path.
>
>
> We need to discuss if this is the correct approach with Prabath at el.
>
> On Wed, Aug 10, 2016 at 2:37 PM, Sajini De Silva <[email protected]> wrote:
>
>> Hi,
>>
>> MB security model with C4 has some limitations and issues. In our current
>> model we create an internal role for every queue and assign Subscribe and
>> Publish permission for that role. When a JMS client subscribes to a queue
>> which is not  created yet, we create that internal role for that queue and
>> assign permission to that role. Then assign that role to the the current
>> user. In this way we guarantee only the user who created the queue will
>> have permission to subscribe or publish other than admin user.
>>
>> But the drawback of this model is that we create role for every queue and
>> topic and there can be many such roles when the number of queues/topics
>> increases.
>>
>> As a solution to this issue we came up with a new security model. In this
>> case we do not create any internal roles inside MB. User has to give
>> permission from UI before he subscribes to a queue. If the user still wants
>> to subscribe to a queue which is not created yet, then we introduce two
>> common roles which will be created at the startup of the server. Those are
>> SUBSCRIBER role and PUBLISHER role. The SUBSCRIBER role can subscribe to
>> any queue/topic and PUBLISHER role can publish to any queue/topic.
>> Therefore a user who has the role SUBSCRIBER can subscribe to any
>> queue/topic and create even though the queue is not created yet.
>>
>> In the permission tree model also we are going to do some modifications.
>> Current permission tree model in C5 for queues and topics will be as
>> follows.
>>
>> ​We have changed the topic permissions by adding Browse, Purge,
>> Subscription Disconnect permission and removing Detail permission. Browse,
>> Purge and Subscription Disconnect permissions will only affect if the topic
>> has durable subscriptions.
>>
>> In our previous model other than these global permission, we had
>> Subscribe and Publish permission at queue level. It came in to our
>> consideration that other than those two permissions Browse, Purge, Delete
>> and Subscription Disconnect permissions should also should be configurable
>> per queue. Therefore we are adding these four additional permissions to
>> each queue/topic when it is created. Those can be edited if needed.
>>
>> Also we are planning to create another Manager role at the startup of the
>> server which has all the queue and topic related permissions. Any user who
>> has this manager role can add,delete, browse, purge or disconnect
>> subscriber for any queue. Also can browse any subscriptions.
>>
>> Other permissions in the permission tree will remain as same as in C4.
>>
>> Thanks
>> ​
>> --
>> Sajini De SIlva
>> Senior Software Engineer; WSO2 Inc.; http://wso2.com ,
>> Email: [email protected]
>> Blog: http://sajinid.blogspot.com/
>> Git hub profile: https://github.com/sajinidesilva
>>
>> Phone: +94 712797729
>>
>>
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>>
>>
>
>
> --
> With regards,
> *Manu*ranga Perera.
>
> phone : 071 7 70 20 50
> mail : [email protected]
>
> _______________________________________________
> Architecture mailing list
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> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>
>


-- 
Ramith Jayasinghe
Technical Lead
WSO2 Inc., http://wso2.com
lean.enterprise.middleware

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