prosody-modules
5a0e47ad7d6b
mod_muc_restrict_nick/mod_muc_restrict_nick.lua

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mod_muc_restrict_nick/mod_muc_restrict_nick.lua @ 6130:5a0e47ad7d6b

mod_anti_spam: Gracefully handle failure to parse CIDR in IP RTBL This should prevent a traceback in case the IP address in the RTBL cannot be parsed (either due to a malformed address being published, or due to a bug in our parsing code).
author Matthew Wild <mwild1@gmail.com>
date Wed, 01 Jan 2025 11:48:19 +0000
parent 4588:e7b126161e7b
line wrap: on
line source

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

local nick_pattern = module:get_option_string("muc_restrict_nick_pattern", "^%w+$");

module:hook("muc-occupant-pre-join", function (event)
	local nick = jid.resource(event.occupant.nick);
	if not nick:match(nick_pattern) then
		local reply = st.error_reply(event.stanza, "modify", "policy-violation", "Unacceptable nickname, please try another");
		module:send(reply);
		return true;
	end
end);