view mod_muc_reserve_nick_pattern/mod_muc_reserve_nick_pattern.lua @ 5277:a1055024b94e

mod_http_oauth2: Stricten check of urlencoded form data Because type(formdecode("string without equals sign")) == "string", so best avoid continuing in that case, even if strings mostly behave as tables as long as you don't hit one of the __index methods.
author Kim Alvefur <zash@zash.se>
date Sun, 26 Mar 2023 14:39:34 +0200
parents dc6a10629670
children
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local jid = require "util.jid";
local st = require "util.stanza";

local nick_patterns = module:get_option_array("muc_reserve_nick_patterns", {});

module:hook("muc-occupant-pre-join", function (event)
	local nick = jid.resource(event.occupant.nick);
	for k, nick_pattern in pairs(nick_patterns) do
		if nick:match(nick_pattern) then
			local reply = st.error_reply(event.stanza, "modify", "conflict", "Unacceptable nickname, please try another");
			module:send(reply);
			return true;
		end
	end
end);