Mercurial > prosody-modules
view mod_admin_blocklist/mod_admin_blocklist.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> |
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date | Mon, 08 Nov 2021 23:03:14 +0100 |
parents | 5d05139d0555 |
children | 683d1ad16b56 |
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-- mod_admin_blocklist -- -- If a local admin has blocked a domain, don't allow s2s to that domain -- -- Copyright (C) 2015 Kim Alvefur -- -- This file is MIT/X11 licensed. -- module:depends("blocklist"); local st = require"util.stanza"; local jid_split = require"util.jid".split; local admins = module:get_option_inherited_set("admins", {}) / function (admin) -- Filter out non-local admins local user, host = jid_split(admin); if host == module.host then return user; end end local blocklists = module:open_store("blocklist"); local function is_blocked(host) for admin in admins do local blocklist = blocklists:get(admin); if blocklist and blocklist[host] then return true; end end end module:hook("route/remote", function (event) local origin, stanza = event.origin, event.stanza; if is_blocked(event.to_host) then if origin and stanza then origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Communication with this domain is not allowed")); return true; end return false; end end, -9); module:hook("s2s-stream-features", function (event) local session = event.origin; if is_blocked(session.from_host) then session:close("policy-violation"); return false; end end, 1000); module:hook("stanza/http://etherx.jabber.org/streams:features", function (event) local session = event.origin; if is_blocked(session.to_host) then session:close("policy-violation"); return true; end end, 1000);