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mod_limit_auth/mod_limit_auth.lua @ 6305:1c62edeb9147

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
parent 1941:2a5a44d5b935
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1 -- mod_limit_auth
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2
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3 local st = require"util.stanza";
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4 local new_throttle = require "util.throttle".create;
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5
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6 local period = math.max(module:get_option_number(module.name.."_period", 30), 0);
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7 local max = math.max(module:get_option_number(module.name.."_max", 5), 1);
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8
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9 local tarpit_delay = module:get_option_number(module.name.."_tarpit_delay", nil);
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10 if tarpit_delay then
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11 local waiter = require "util.async".waiter;
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12 local delay = tarpit_delay;
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13 function tarpit_delay()
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14 local wait, done = waiter();
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15 module:add_timer(delay, done);
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16 wait();
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17 end
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18 else
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19 function tarpit_delay() end
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20 end
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22 local throttles = module:shared"throttles";
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23
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24 local reply = st.stanza("failure", { xmlns = "urn:ietf:params:xml:ns:xmpp-sasl" }):tag("temporary-auth-failure");
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25
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26 local function get_throttle(ip)
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27 local throttle = throttles[ip];
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28 if not throttle then
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29 throttle = new_throttle(max, period);
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30 throttles[ip] = throttle;
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31 end
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32 return throttle;
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33 end
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34
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35 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-sasl:auth", function (event)
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36 local origin = event.origin;
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37 if origin.type ~= "c2s_unauthed" then return end
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38 if not get_throttle(origin.ip):peek(1) then
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39 origin.log("warn", "Too many authentication attepmts for ip %s", origin.ip);
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40 tarpit_delay();
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41 origin.send(reply);
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42 return true;
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43 end
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44 end, 10);
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46 module:hook("authentication-failure", function (event)
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47 get_throttle(event.session.ip):poll(1);
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48 end);
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49
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50 module:add_timer(14400, function (now)
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51 local old = now - 86400;
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52 for ip, throttle in pairs(throttles) do
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53 if throttle.t < old then
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54 throttles[ip] = nil;
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55 end
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56 end
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57 end);
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58