view mod_host_blacklist/mod_host_blacklist.lua @ 5818:d3b69859553a

mod_password_policy: Change error type from 'cancel' to 'modify' This makes more sense, as the problem relates to the data that has been entered, and therefore the request could be retried with different data.
author Matthew Wild <mwild1@gmail.com>
date Mon, 08 Jan 2024 17:28:39 +0000
parents 547b3c05cc06
children
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local jid_split = require "util.jid".split;
local st = require "util.stanza";
local set = require "util.set";
local select = select;

local blacklist = module:get_option_inherited_set("host_blacklist", {});

local function stanza_checker(attr)
	return function (event)
		local host = select(2, jid_split(event.stanza.attr[attr]));
		if blacklist:contains(host) then
			module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
			return true;
		end
	end
end

check_incoming_stanza = stanza_checker("from");
check_outgoing_stanza = stanza_checker("to");

for stanza_type in set.new{"presence","message","iq"}:items() do
	for jid_type in set.new{"bare", "full", "host"}:items() do
		module:hook("pre-"..stanza_type.."/"..jid_type, check_outgoing_stanza, 500);
		module:hook(stanza_type.."/"..jid_type, check_incoming_stanza, 500);
	end
end