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>

-- mod_discoitems.lua
--
-- In the config, you can add:
--
-- disco_items = {
--  {"proxy.eu.jabber.org", "Jabber.org SOCKS5 service"};
--  {"conference.jabber.org", "The Jabber.org MUC"};
-- };
--

local st = require "util.stanza";

local result_query = st.stanza("query", {xmlns="http://jabber.org/protocol/disco#items"});
for _, item in ipairs(module:get_option("disco_items") or {}) do
	result_query:tag("item", {jid=item[1], name=item[2]}):up();
end

module:hook('iq/host/http://jabber.org/protocol/disco#items:query', function(event)
	local stanza = event.stanza;
	local query = stanza.tags[1];
	if stanza.attr.type == 'get' and not query.attr.node then
		event.origin.send(st.reply(stanza):add_child(result_query));
		return true;
	end
end, 100);