[Standards] XEP-0060: Pubsub - Questions and proposals

Peter Saint-Andre stpeter at stpeter.im
Fri Dec 16 02:07:43 UTC 2016

On 12/15/16 12:51 AM, Jaussoin Timothée wrote:
> Hi,
> I'm currently doing a more complete implementation of Pubsub in Movim
> (affiliations and access-models management) and I have a couple of
> questions.
> 5.4 Discover Node Metadata : I'd like to know if it's also possible to
> expose pubsub#access_model here. I'd like to display in the UI of Movim
> this information ("This node is private", "This node is open to
> everyone"…). Will it bring security problems?

It seems to me that making the access model discoverable will not 
increase the security risk, because an attacker will just try to 
subscribe to a node instead of querying the metadata.

> 6.5.7 Requesting the Most Recent Items : "When max_items is used,
> implementations SHOULD return the N most recent (as opposed to the N
> oldest) items."
> Here I'd like to know if the items are ordered by their creation date or
> their last update date.
> This difference is important to me because I'd like to know if I can
> rely on this order to display the posts of Movim (which are logically
> ordered by their creation date for now). If a user is making a small
> edit months after the publication it will move the post in front of all
> the others. This question could also apply to XEP-0059: Result Set
> Management.

We haven't specified the order yet. I'm curious what existing 
implementations do.


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