local adns = require "net.adns";
local rbl = module:get_option_string("registration_rbl");
local function reverse(ip, suffix)
local a,b,c,d = ip:match("^(%d+).(%d+).(%d+).(%d+)$");
if not a then return end
return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix);
end
-- TODO async
-- module:hook("user-registering", function (event) end);
module:hook("user-registered", function (event)
local session = event.session;
local ip = session and session.ip;
local rbl_ip = ip and reverse(ip, rbl);
if rbl_ip then
local log = session.log;
adns.lookup(function (reply)
if reply and reply[1] then
log("warn", "Account %s@%s registered from IP %s found in RBL (%s)", event.username, event.host or module.host, ip, reply[1].a);
end
end, rbl_ip);
end
end);