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mod_muc_limits/README.md @ 6110:1a6cd0bbb7ab
mod_compliance_2023: Add 2023 Version of the compliance module, basis is the 2021 Version.
diff --git a/mod_compliance_2023/README.md b/mod_compliance_2023/README.md
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+---
+summary: XMPP Compliance Suites 2023 self-test
+labels:
+- Stage-Beta
+rockspec:
+ dependencies:
+ - mod_cloud_notify
+
+...
+
+Compare the list of enabled modules with
+[XEP-0479: XMPP Compliance Suites 2023] and produce basic report to the
+Prosody log file.
+
+If installed with the Prosody plugin installer then all modules needed for a green checkmark should be included. (With prosody 0.12 only [mod_cloud_notify] is not included with prosody and we need the community module)
+
+# Compatibility
+
+ Prosody-Version Status
+ --------------- ----------------------
+ trunk Works as of 2024-12-21
+ 0.12 Works
diff --git a/mod_compliance_2023/mod_compliance_2023.lua b/mod_compliance_2023/mod_compliance_2023.lua
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+-- Copyright (c) 2021 Kim Alvefur
+--
+-- This module is MIT licensed.
+
+local hostmanager = require "core.hostmanager";
+
+local array = require "util.array";
+local set = require "util.set";
+
+local modules_enabled = module:get_option_inherited_set("modules_enabled");
+
+for host in pairs(hostmanager.get_children(module.host)) do
+ local component = module:context(host):get_option_string("component_module");
+ if component then
+ modules_enabled:add(component);
+ modules_enabled:include(module:context(host):get_option_set("modules_enabled", {}));
+ end
+end
+
+local function check(suggested, alternate, ...)
+ if set.intersection(modules_enabled, set.new({suggested; alternate; ...})):empty() then return suggested; end
+ return false;
+end
+
+local compliance = {
+ array {"Server"; check("tls"); check("disco")};
+
+ array {"Advanced Server"; check("pep", "pep_simple")};
+
+ array {"Web"; check("bosh"); check("websocket")};
+
+ -- No Server requirements for Advanced Web
+
+ array {"IM"; check("vcard_legacy", "vcard"); check("carbons"); check("http_file_share", "http_upload")};
+
+ array {
+ "Advanced IM";
+ check("vcard_legacy", "vcard");
+ check("blocklist");
+ check("muc");
+ check("private");
+ check("smacks");
+ check("mam");
+ check("bookmarks");
+ };
+
+ array {"Mobile"; check("smacks"); check("csi_simple", "csi_battery_saver")};
+
+ array {"Advanced Mobile"; check("cloud_notify")};
+
+ array {"A/V Calling"; check("turn_external", "external_services", "turncredentials", "extdisco")};
+
+};
+
+function check_compliance()
+ local compliant = true;
+ for _, suite in ipairs(compliance) do
+ local section = suite:pop(1);
+ if module:get_option_boolean("compliance_" .. section:lower():gsub("%A", "_"), true) then
+ local missing = set.new(suite:filter(function(m) return type(m) == "string" end):map(function(m) return "mod_" .. m end));
+ if suite[1] then
+ if compliant then
+ compliant = false;
+ module:log("warn", "Missing some modules for XMPP Compliance 2023");
+ end
+ module:log("info", "%s Compliance: %s", section, missing);
+ end
+ end
+ end
+
+ if compliant then module:log("info", "XMPP Compliance 2023: Compliant ✔️"); end
+end
+
+if prosody.start_time then
+ check_compliance()
+else
+ module:hook_global("server-started", check_compliance);
+end
+
author | Menel <menel@snikket.de> |
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date | Sun, 22 Dec 2024 16:06:28 +0100 |
parent | 6012:0206d32c56b7 |
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1 --- |
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2 labels: |
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3 - 'Stage-Beta' |
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4 summary: 'Impose rate-limits on a MUC' |
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5 ... |
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7 Introduction |
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8 ============ |
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10 This module allows you to control the maximum rate of 'events' in a MUC |
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11 room. This makes it useful to prevent room floods (whether malicious or |
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12 accidental). |
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14 Details |
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15 ======= |
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17 This module limits the following events: | |
18 | |
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19 - Room joins |
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20 - Nick changes |
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21 - Status changes |
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22 - Messages (including private messages) |
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24 The limit is for the room as a whole, not individual occupants in the |
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25 room. Users with an affiliation (members, admins and owners) are not |
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26 limited. |
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28 Configuration |
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29 ============= |
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30 |
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31 Add the module to the MUC host (not the global modules\_enabled): |
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32 |
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33 ```lua |
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34 Component "conference.example.com" "muc" |
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35 modules_enabled = { "muc_limits" } |
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36 ``` |
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38 You can define (globally or per-MUC component) the following options: | |
39 | |
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40 Name Default value Description |
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41 --------------------------- --------------- ---------------------------------------------------------- |
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42 muc_event_rate 0.5 The maximum number of events per second. |
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43 muc_burst_factor 6 Allow temporary bursts of this multiple. |
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44 muc_max_nick_length 23 The maximum allowed length of user nicknames |
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45 muc_max_char_count 5664 The maximum allowed number of bytes in a message |
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46 muc_max_line_count 23 The maximum allowed number of lines in a message |
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47 muc_limit_base_cost 1 Base cost of sending a stanza |
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48 muc_line_count_multiplier 0.1 Additional cost of each newline in the body of a message |
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49 |
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50 For more understanding of how these values are used, see the algorithm |
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51 section below. |
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53 Algorithm |
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54 ========= |
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56 A certain number of events are allowed per second, given by |
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57 muc\_event\_rate. An event rate of 1 allows one event per second, and |
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58 event rate of 3 allows three events per second, and 0.5 allows one event |
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59 every two seconds, and so on. |
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61 Obviously MUC conversations are not exactly steady streams of events. |
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62 Sometimes multiple people will talk at once. This is handled by the |
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63 muc\_burst\_factor option. |
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65 A burst factor of 2 will allow 2 times as many events at once, for 2 |
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66 seconds, before throttling will be triggered. A factor of 5, 5 times as |
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67 many events for 5 seconds. |
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69 When the limit is reached, an error response will be generated telling |
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70 the user the MUC is overactive, and asking them to try again. |
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72 Compatibility |
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73 ============= |
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75 ------- ------- |
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76 trunk* Works |
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77 0.12 Works |
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78 ------- ------- |
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79 |
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80 *as of 2024-10-22 |