prosody-modules
97375a78d2b5
mod_muc_restrict_nick/mod_muc_restrict_nick.lua

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mod_muc_restrict_nick/mod_muc_restrict_nick.lua @ 5984:97375a78d2b5

mod_http_oauth2: Reject URLs with 'userinfo' part (thanks mimi89999) The LuaSocket parser supports these but they're deprecated without replacement by RFC 3986 > Use of the format "user:password" in the userinfo field is deprecated Allowing it in OAuth2 URLs is probably bad from a security perspective.
author Kim Alvefur <zash@zash.se>
date Thu, 29 Aug 2024 16:02:46 +0200
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);