45 lines
1.6 KiB
Lua
45 lines
1.6 KiB
Lua
|
-- mod_muc_peertubelivechat_announcements
|
||
|
|
--
|
||
|
|
-- SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
|
||
|
|
-- SPDX-License-Identifier: AGPL-3.0-only
|
||
|
|
--
|
||
|
|
-- This file is AGPL-v3 licensed.
|
||
|
|
-- Please see the Peertube livechat plugin copyright information.
|
||
|
|
-- https://livingston.frama.io/peertube-plugin-livechat/credits/
|
||
|
|
--
|
||
|
|
|
||
|
|
local st = require "util.stanza";
|
||
|
|
local jid_bare = require "util.jid".bare;
|
||
|
|
|
||
|
|
-- security check: only MUC owner/admin can add the x-livechat-announcement-type attribute on the body.
|
||
|
|
function handle_groupchat(event)
|
||
|
|
local origin, stanza = event.origin, event.stanza;
|
||
|
|
local room = event.room;
|
||
|
|
local body = stanza:get_child("body")
|
||
|
|
if not body or not body.attr then
|
||
|
|
return;
|
||
|
|
end
|
||
|
|
if not body.attr["x-livechat-announcement-type"] then
|
||
|
|
return;
|
||
|
|
end
|
||
|
|
|
||
|
|
local from = stanza.attr.from;
|
||
|
|
local from_affiliation = room:get_affiliation(from);
|
||
|
|
if (from_affiliation == "owner" or from_affiliation == "admin") then
|
||
|
|
return;
|
||
|
|
end
|
||
|
|
|
||
|
|
module:log("info", "Someone tried to spoof x-livechat-announcement-type, bouncing the message.");
|
||
|
|
local reply = st.error_reply(
|
||
|
|
stanza,
|
||
|
|
-- error_type = 'modify' (see descriptions in RFC 6120 https://xmpp.org/rfcs/rfc6120.html#stanzas-error-syntax)
|
||
|
|
"modify",
|
||
|
|
-- error_condition = 'policy-violation' (see RFC 6120 Defined Error Conditions https://xmpp.org/rfcs/rfc6120.html#stanzas-error-conditions)
|
||
|
|
"policy-violation",
|
||
|
|
"Only owner and admin can send announcements."
|
||
|
|
);
|
||
|
|
origin.send(reply);
|
||
|
|
return true; -- stoping propagation
|
||
|
|
end
|
||
|
|
module:hook("muc-occupant-groupchat", handle_groupchat, 500);
|