On Thu, Apr 8, 2010 at 10:40 AM, Gordon Sim <[email protected]> wrote:
> On 04/08/2010 03:11 PM, Rajith Attapattu wrote:
>>
>> Gordon, are you planning to make the change ?
>
> If you are volunteering, that would be greatly appreciated! If not, yes, I
> will make the change.
Ok I will do it :)

>>
>> Regards,
>>
>> Rajith
>>
>> On Thu, Apr 8, 2010 at 8:54 AM, Gordon Sim<[email protected]>  wrote:
>>>
>>> The broker appears to use NotAllowedException[1] in most places when
>>> authorisation fails. This seems wrong to me as NotAllowedException is
>>> used
>>> for specific types of invalid command requests (e.g. declaring an
>>> existing
>>> exchange with a different type, or trying to create exchanges with
>>> prohibited prefixes). As it stands it is not possible to realibly
>>> distinguish between these two very different situations in code.
>>>
>>> A more appropriate exception for authorisation failures would seem to be
>>> UnauthorisedAccessException[2] which is only used in one place (when a
>>> message is sent with a userid that differs from the authenticated id).
>>>
>>> I propose that we fix this. Obviously this breaks backwards compatibility
>>> to
>>> a degree, but I think in this case it is justified. At worst it would
>>> require applications to reconsider catching UnauthorizedAccessException
>>> wherever they are currently explicitly catching NotAllowedException.
>>>
>>> --Gordon
>>>
>>> [1] Described in specification as indicating: "The peer tried to use a
>>> command a manner that is inconsistent with the rules described in the
>>> specification."
>>>
>>> [2] Described in specification as indicating: "The client attempted to
>>> work
>>> with a server entity to which it has no access due to security settings."
>>>
>>> ---------------------------------------------------------------------
>>> Apache Qpid - AMQP Messaging Implementation
>>> Project:      http://qpid.apache.org
>>> Use/Interact: mailto:[email protected]
>>>
>>>
>>
>>
>>
>
>
> ---------------------------------------------------------------------
> Apache Qpid - AMQP Messaging Implementation
> Project:      http://qpid.apache.org
> Use/Interact: mailto:[email protected]
>
>



-- 
Regards,

Rajith Attapattu
Red Hat
http://rajith.2rlabs.com/

---------------------------------------------------------------------
Apache Qpid - AMQP Messaging Implementation
Project:      http://qpid.apache.org
Use/Interact: mailto:[email protected]

Reply via email to