view mod_track_muc_joins/mod_track_muc_joins.lua @ 3772:22f02716819f

mod_s2s_keepalive: Isolate source host of pings The incoming_s2s table is not restricted to the current virtualhost so this prevents opening more connections than what's needed. Also prevents useless double sending of one whitespace per local host.
author Kim Alvefur <zash@zash.se>
date Mon, 23 Dec 2019 01:18:02 +0100
parents 443d9dae3216
children
line wrap: on
line source

local jid_bare = require "util.jid".bare;
local jid_split = require "util.jid".split;
local sessions = prosody.full_sessions;

module:hook("presence/full", function (event)
	local stanza = event.stanza;
	local session = sessions[stanza.attr.to];
	if not session then return end;
	if not session.directed then return end -- hasn't sent presence yet
	local log = session.log or module._log;

	local muc_x = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
	if not muc_x then return end -- Not MUC related

	local from_jid = stanza.attr.from;
	local room = jid_bare(from_jid);
	local _,_,nick = jid_split(from_jid);
	local joined = stanza.attr.type;
	if joined == nil then
		joined = nick;
	elseif joined == "unavailable" then
		joined = nil;
	else
		-- Ignore errors and whatever
		return;
	end

	if joined and not session.directed[from_jid] then
		return; -- Never sent presence there, can't be a MUC join
	end

	-- Check for status code 110, meaning it's their own reflected presence
	for status in muc_x:childtags("status") do
		log("debug", "Status code %d", status.attr.code);
		if status.attr.code == "110" then
			log("debug", "%s room %s", joined and "Joined" or "Left", room);
			local rooms = session.rooms_joined;
			if not rooms then
				if not joined then return; end
				session.rooms_joined = { [room] = joined };
			else
				rooms[room] = joined;
			end
			return;
		end
	end
end, 1);