[Standards] Adding logo to MUC and PubSub node

Evgeny Khramtsov xramtsov at gmail.com
Thu Feb 8 05:26:10 UTC 2018

Wed, 7 Feb 2018 22:16:30 +0100
"W. Martin Borgert" <debacle at debian.org> wrote:

> Hi,
> this is an idea mainly for the "social network" aspect of XMPP:
> A logo for a MUC or for a PubSub node, similar to a user avatar.
> Such a logo, emblem, or symbol can be a good indicator for users
> to find the right MUC or PubSub node in a social network
> application or graphical XMPP client.
> How about introducing two configuration variables, one in
> https://xmpp.org/extensions/xep-0045.html#registrar-formtype-owneronfig:
> var='muc#muc_logo'
> And the second one in
> https://xmpp.org/extensions/xep-0060.html#owner-configure:
> var='pubsub#node_logo'
> The value should be a <media> element from
> https://xmpp.org/extensions/xep-0221.html.
> IMHO, the value should be restricted to
>  1. images, or would a sound make sense? Maybe...
>  2. inline data, so that a link to a web resource cannot be
>     abused for snitching IP addresses
> What do you think?

This is the same as to provide vCards by the service (which is
implemented in ejabberd for MUCs for example), and has the same
drawback: there is no way to tell clients that your logo has updated.

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