Mercurial > prosody-modules
view mod_host_blacklist/mod_host_blacklist.lua @ 4609:fcfe691d6322
mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat
This silences a warning about using the non-existent global 'utf8' each
time this line was hit. The utf8 library was introduced in Lua 5.3, so
the warning would appear with 5.1 and 5.2.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 30 Jun 2021 15:53:49 +0200 |
parents | 547b3c05cc06 |
children |
line wrap: on
line source
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