mod_report_affiliations: Fix traceback a non-user is sending a presence For now we won’t touch their presence instead of emiting this traceback: error Traceback[s2s]: /usr/lib/prosody/core/rostermanager.lua:275: attempt to concatenate a nil value (local 'username') stack traceback: /usr/lib/prosody/core/rostermanager.lua:275: in function 'prosody.core.rostermanager.is_user_subscribed' ...ules/mod_report_affiliations/mod_report_affiliations.lua:116: in field '?' /usr/lib/prosody/util/events.lua:81: in function </usr/lib/prosody/util/events.lua:77> (...tail calls...) /usr/lib/prosody/core/stanza_router.lua:184: in upvalue 'core_post_stanza' /usr/lib/prosody/modules/mod_presence.lua:244: in function </usr/lib/prosody/modules/mod_presence.lua:231> (...tail calls...) /usr/lib/prosody/util/events.lua:81: in function </usr/lib/prosody/util/events.lua:77> (...tail calls...) /usr/lib/prosody/core/stanza_router.lua:188: in upvalue 'core_post_stanza' /usr/lib/prosody/core/stanza_router.lua:128: in upvalue 'core_process_stanza' /usr/lib/prosody/modules/mod_s2s.lua:818: in upvalue 'func' /usr/lib/prosody/util/async.lua:149: in function </usr/lib/prosody/util/async.lua:147>

local st = require "util.stanza";
local jid = require "util.jid";

local archive = module:open_store("muc_log", "archive");

module:hook("muc-occupant-groupchat", function (event)
	local stanza = event.stanza;
	local room   = event.room;

	if stanza:get_child("thread") then
		return;
	end

	local reply = stanza:get_child("reply", "urn:xmpp:reply:0");
	if not reply then
		return;
	end

	local reply_id = reply.attr.id;
	if not reply_id then
		return;
	end

	local archived = archive:get(jid.node(room.jid), reply_id);
	if not archived then
		return;
	end

	local parent_thread = archived:get_child("thread");
	if parent_thread then
		stanza:add_child(st.clone(parent_thread));
	end
end);