mod_http_oauth2: Record details of OAuth client a token is issued to To enable use cases such as revoking all tokens issued to a particular OAuth client in case of security issues, or for informative purposes such as when listing tokens for users.

module:hook("message/host", function (event)
	local stanza = event.stanza;
	if #stanza.tags == 1 and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/chatstates" then
		return true;
	end
end, -10);