File

plugins/muc/lock.lib.lua @ 10453:926d6086a95a

net.websocket: Fix traceback in case of ondisconnect being called twice We want to figure out what situations the double ondisconnect happens in, and aim to fix the root cause in the future.
author Matthew Wild <mwild1@gmail.com>
date Tue, 26 Nov 2019 15:29:01 +0000
parent 10450:c1edeb9fe337
child 12977:74b9e05af71e
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
-- Copyright (C) 2014 Daurnimator
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

local st = require "util.stanza";

local lock_rooms = module:get_option_boolean("muc_room_locking", true);
local lock_room_timeout = module:get_option_number("muc_room_lock_timeout", 300);

local function lock(room)
	module:fire_event("muc-room-locked", {room = room;});
	room._data.locked = os.time() + lock_room_timeout;
end
local function unlock(room)
	module:fire_event("muc-room-unlocked", {room = room;});
	room._data.locked = nil;
end
local function is_locked(room)
	local ts = room._data.locked;
	if ts then
		if os.time() < ts then return true; end
		unlock(room);
	end
	return false;
end

if lock_rooms then
	module:hook("muc-room-pre-create", function(event)
		-- Older groupchat protocol doesn't lock
		if not event.stanza:get_child("x", "http://jabber.org/protocol/muc") then return end
		-- Lock room at creation
		local room = event.room;
		lock(room);
	end, 10);
end

-- Don't let users into room while it is locked
module:hook("muc-occupant-pre-join", function(event)
	if not event.is_new_room and is_locked(event.room) then -- Deny entry
		module:log("debug", "Room is locked, denying entry");
		event.origin.send(st.error_reply(event.stanza, "cancel", "item-not-found", nil, module.host));
		return true;
	end
end, -30);

-- When config is submitted; unlock the room
module:hook("muc-config-submitted", function(event)
	if is_locked(event.room) then
		unlock(event.room);
	end
end, -1);

return {
	lock = lock;
	unlock = unlock;
	is_locked = is_locked;
};