annotate mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua @ 3568:6b3181fe5617

mod_auth_token: Timezone fix for TOTP checking luatz.time() returns milliseconds since epoch which is in UTC time, so we don't need to convert to UTC with gmtime. By calling gmtime, TOTP validation was failing when this module wasn't running on machine set to UTC time.
author JC Brand <jc@opkode.com>
date Thu, 02 May 2019 11:07:27 +0200
parents 7fb82481b3db
children 76036fa34055
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0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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1 local adns = require "net.adns";
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2 local rbl = module:get_option_string("registration_rbl");
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3
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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4 local function reverse(ip, suffix)
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42b095dab626 mod_register_dnsbl: Fix matching pattern (Thanks Ge0rG)
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5 local a,b,c,d = ip:match("^(%d+).(%d+).(%d+).(%d+)$");
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6 if not a then return end
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7 return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix);
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8 end
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9
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10 -- TODO async
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11 -- module:hook("user-registering", function (event) end);
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13 module:hook("user-registered", function (event)
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14 local session = event.session;
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15 local ip = session and session.ip;
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16 local rbl_ip = ip and reverse(ip, rbl);
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17 if rbl_ip then
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18 local log = session.log;
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19 adns.lookup(function (reply)
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20 if reply and reply[1] then
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2dcc3079572c mod_register_dnsbl: Include more information in log message
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21 log("warn", "Account %s@%s registered from IP %s found in RBL (%s)", event.username, event.host or module.host, ip, reply[1].a);
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22 end
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23 end, rbl_ip);
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24 end
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25 end);