File

plugins/mod_motd.lua @ 13834:61df1404dd7a 13.0

mod_http: Fix IP address normalization (Thanks Boris) This fixes the problem that an un-bracketed IPv6 address will not match the first pattern (since it matches brackets) and instead the first decimal digits will match the pattern meant to strip port numbers from IPv4 addresses, e.g. 2001:db8::1 --> 2000 This pattern instead matches enough of a regular IPv4 address to make an IPv6 address fall back to the last case.
author Kim Alvefur <zash@zash.se>
date Wed, 09 Apr 2025 15:54:54 +0200
parent 12977:74b9e05af71e
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
-- Copyright (C) 2010 Jeff Mitchell
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

local host = module:get_host();
local motd_text = module:get_option_string("motd_text");
local motd_jid = module:get_option_string("motd_jid", host);

if not motd_text then return; end

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

motd_text = motd_text:gsub("^%s*(.-)%s*$", "%1"):gsub("\n[ \t]+", "\n"); -- Strip indentation from the config

module:hook("presence/initial", function (event)
	local session = event.origin;
	local motd_stanza =
		st.message({ to = session.full_jid, from = motd_jid })
			:tag("body"):text(motd_text);
	module:send(motd_stanza);
	module:log("debug", "MOTD send to user %s", session.full_jid);
end, 1);