[Standards] XEP-0045: How to signal tombstones for destroyed rooms?
jonas at wielicki.name
Wed Jul 11 05:52:55 UTC 2018
On Mittwoch, 11. Juli 2018 04:02:23 CEST Kim Alvefur wrote:
> Hello list,
> I have implemented tombstones for destroyed MUC rooms. My reading of the
> sacred texts did not give me enlightenment as how to inform someone
> who's attempting to enter the remains of such a place. I've so far opted
> to return an <presence type=unavailable> with the same <destroyed> child
> that was in the inital announcement of the rooms destruction.
> Of the clients I’ve tested so far, only Gajim seems to understand this.
> Swift says something unspecific about failure to enter the room, while
> Pidgin and poezio say nothing.
> So basically, this is the reply one gets to a MUC join:
> ``` xml
> <presence type="unavailable" id="" to="me at localhost/r"
> from="a at gc.localhost/n"> <x xmlns="http://jabber.org/protocol/muc#user">
> <item affiliation="none" role="none"/>
> <destroy>You see only a crater.</destroy>
> Does this make sense?
Is there a reason to not use a presence type="error"? I’d expect clients to
handle those already.
I’d use a <gone/> type error, which encodes the semantics perfectly. <gone/>
also allows for permanent redirects (which I think <destroy/> does, too).
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