[Standards] XEP-0163: Notify after directed presence

Holger Weiß holger at zedat.fu-berlin.de
Mon Aug 26 09:47:43 UTC 2019


* Maxime Buquet <pep at bouah.net> [2019-08-24 20:26]:
> I found about this issue while working on the OMEMO implementation in
> poezio (that should be available soon(tm)), but I guess this can be
> applied to other things. The issue goes as follows:
> 
> - Start encrypted chat with non-contact recipient.
>   At this point, my OMEMO code will fetch devicelist and bundles via
>   PEP.
> - Recipient then updates his OMEMO status (adds a device, removes a
>   devices from the devicelist)
> - ???
>   I am not aware of changes as I am not being notified through PEP
>   because of not being a contact. I continue encrypting same as I was
>   before the changes.

What about explicitly subscribing to the devicelist node (assuming the
node's access_model allows you to)?

Holger


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