Mercurial > prosody-modules
view mod_host_blacklist/mod_host_blacklist.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 08 Nov 2021 23:03:14 +0100 |
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