annotate mod_register_dnsbl/mod_register_dnsbl.lua @ 6261:1c62edeb9147

mod_pastebin: Update Readme diff --git a/mod_pastebin/README.md b/mod_pastebin/README.md --- a/mod_pastebin/README.md +++ b/mod_pastebin/README.md @@ -37,12 +37,14 @@ For example: Pastes will be available by default at `http://<your-prosody>:5280/pastebin/` by default. -In Prosody 0.9 and later this can be changed with [HTTP -settings](https://prosody.im/doc/http). +Ports and path can be changed with [HTTP +settings](https://prosody.im/doc/http), for example like: -In 0.8 and older this can be changed with `pastebin_ports` (see below), -or you can forward another external URL from your web server to Prosody, -use `pastebin_url` to set that URL. +``` {.lua} + http_paths = { + pastebin = "/$host-paste"; + } +``` # Discovery @@ -82,27 +84,16 @@ The line and character tresholds are adv pastebin_line_threshold The maximum number of lines a message may have before it is sent to the pastebin. (default 4 lines) pastebin_trigger A string of characters (e.g. "!paste ") which if detected at the start of a message, always sends the message to the pastebin, regardless of length. (default: not set) pastebin_expire_after Number of hours after which to expire (remove) a paste, defaults to 24. Set to 0 to store pastes permanently on disk. - pastebin_ports List of ports to run the HTTP server on, same format as mod_httpserver's http_ports[^1] - pastebin_url Base URL to display for pastebin links, must end with / and redirect to Prosody's built-in HTTP server[^2] # Compatibility - ------ ------- - trunk Works + ------ --------------------- + trunk Works as of 25-06-13 + 13 Works 0.12 Works - 0.11 Works - 0.10 Works - 0.9 Works - 0.8 Works - ------ ------- + ------ --------------------- # Todo - Maximum paste length - Web interface to submit pastes? - -[^1]: As of Prosody 0.9, `pastebin_ports` is replaced by `http_ports`, - see [Prosody HTTP server documentation](https://prosody.im/doc/http) - -[^2]: See also - [http_external_url](https://prosody.im/doc/http#external_url)
author Menel <menel@snikket.de>
date Fri, 13 Jun 2025 11:39:58 +0200
parents 82482e7e92cb
children
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1 local adns = require "net.adns";
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2 local async = require "util.async";
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3 local inet_pton = require "util.net".pton;
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4 local to_hex = require "util.hex".to;
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5
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6 local rbl = module:get_option_string("registration_rbl");
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7
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8 local function reverse(ip, suffix)
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9 local n, err = inet_pton(ip);
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10 if not n then return n, err end
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11 if #n == 4 then
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12 local a,b,c,d = n:byte(1,4);
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13 return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix);
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14 elseif #n == 16 then
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15 return to_hex(n):reverse():gsub("%x", "%1.") .. suffix;
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16 end
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17 end
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18
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19 module:hook("user-registering", function (event)
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20 local session, ip = event.session, event.ip;
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21 local log = (session and session.log) or module._log;
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22 if not ip then
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23 log("debug", "Unable to check DNSBL when IP is unknown");
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24 return;
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25 end
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26 local rbl_ip, err = reverse(ip, rbl);
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27 if not rbl_ip then
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28 log("debug", "Unable to check DNSBL for ip %s: %s", ip, err);
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29 return;
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30 end
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31
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32 local wait, done = async.waiter();
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33 adns.lookup(function (reply)
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34 if reply and reply[1] and reply[1].a then
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35 log("debug", "DNSBL response: %s IN A %s", rbl_ip, reply[1].a);
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36 log("info", "Blocking %s from registering %s (dnsbl hit)", ip, event.username);
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37 event.allowed = false;
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38 event.reason = "Blocked by DNSBL";
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39 end
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40 done();
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41 end, rbl_ip);
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42 wait();
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43 end);