Mercurial > prosody-modules
view mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua @ 4976:75b6e5df65f9
various: Improve error reporting if missing file server module on 0.12
If there is some error loading net.http.files then it would be swallowed
by the pcall and then it would proceed to trying mod_http_files, which
might cause unexpected behavior on 0.12
Ref #1765
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 18 Jul 2022 22:47:54 +0200 |
parents | 76036fa34055 |
children |
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local adns = require "net.adns"; local rbl = module:get_option_string("registration_rbl"); local function reverse(ip, suffix) if ip:sub(1,7):lower() == "::ffff:" then ip = ip:sub(8); end 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);