prosody-modules
6ca2769da62a
mod_muc_restrict_nick/mod_muc_restrict_nick.lua

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mod_muc_restrict_nick/mod_muc_restrict_nick.lua @ 4770:6ca2769da62a

mod_muc_offline_delivery: split name/var so that retrieval of form data works The option is stored in the affiliation data as 'offline_delivery'.
author Matthew Wild <mwild1@gmail.com>
date Mon, 15 Nov 2021 15:29:02 +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);