[jdev] presence subsription rejection notifications while offline.
stpeter at stpeter.im
Wed May 12 10:54:14 CDT 2010
On 5/12/10 9:12 AM, Philipp Hancke wrote:
> Daniel V. Grillo wrote:
>> Hi Folks,
>> I've built a minimal xmpp client to keep track of contacts presence
>> status. In previous versions, if a user asked a contact for a
>> subscription to presence, my client automatically granted it. Now I
>> want to notify a
>> contact of such a request and let them grant or reject it. I have it
>> working according to rfc 3921 section 8.
>> I do have one question/issue though. If a users presence request is
>> denied by the contact while the user is online, he gets notified of the
>> rejection as defined in section 8.2.1 (using the ejabberd server). I
>> can then pop up a notification stating "so and so rejected your
>> request". But if the user is offline when the rejection happens, and
>> then logs in, he gets no such notification. He just gets his roster
>> with that contact in the "none" state with the "ask" flag stripped and
>> no indication of how that contact got that way. Since a contact can end
>> up in the none state in various ways, I can't use that fact to pop up a
>> notification. So my question is, how can I give a user notification that
>> his subscription requests were rejected while he was offline? I see
>> that psi has the same issue and so does Exodus. They give rejection
>> notifications while the user is online, but not when he got the
>> rejection while logged off and then logs on. Any way to implement such a
> This might be possible by storing the unsubscribed stanza on the server
> when the user is offline, ie. adding a rule similar to the fifth rule of
> section 3.1.3 in section 3.2.3 in 3921bis-06, and then sending this when
> the roster is fetched.
Yes, I suppose we could add a note about this to rfc3921bis (currently
we assume that the unsubscribed is merely an FYI and not something that
the receiving server needs to continually poke the client about).
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 6820 bytes
Desc: S/MIME Cryptographic Signature
More information about the JDev