mod_firewall: spam-blocking.pfw: Remove requirement for invites to have no body
Some clients (e.g. Gajim) send a body, which I guess makes sense.
The bare JID sender check should already make it hard to bypass this (i.e.
a normal client putting muc#user into a normal chat message shouldn't bypass
the usual message filters).
--% requires: s2sout-pre-connect-event
local url = require"socket.url";
local basic_resolver = require "net.resolvers.basic";
local override_for = module:get_option(module.name, {}); -- map of host to "tcp://example.com:5269"
module:hook("s2sout-pre-connect", function(event)
local override = override_for[event.session.to_host];
if type(override) == "string" then
override = url.parse(override);
end
if type(override) == "table" and override.scheme == "tcp" and type(override.host) == "string" then
event.resolver = basic_resolver.new(override.host, tonumber(override.port) or 5269, override.scheme, {});
elseif type(override) == "table" and override.scheme == "tls" and type(override.host) == "string" then
event.resolver = basic_resolver.new(override.host, tonumber(override.port) or 5270, "tcp",
{ servername = event.session.to_host; sslctx = event.session.ssl_ctx });
end
end);