view mod_presence_dedup/mod_presence_dedup.lua @ 6214:cc5c0f1dc89b

mod_muc_anonymize_moderation_actions: Fix mentioning Virtualhost for MUC, Compatibility section and License. diff --git a/mod_muc_anonymize_moderation_actions/README.md b/mod_muc_anonymize_moderation_actions/README.md --- a/mod_muc_anonymize_moderation_actions/README.md +++ b/mod_muc_anonymize_moderation_actions/README.md @@ -1,8 +1,10 @@ -<!-- -SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/> -SPDX-License-Identifier: AGPL-3.0-only ---> -# mod_muc_anonymize_moderation_actions +--- +labels: +- 'Stage-Alpha' +summary: Anonymize moderator actions for participants +--- + +## Introduction This modules allows to anonymize affiliation and role changes in MUC rooms. @@ -11,13 +13,10 @@ When the feature is enabled, when a mode This is particularly usefull to prevent some revenge when a moderator bans someone. -This module is under AGPL-3.0 license. - -It was tested on Prosody 0.12.x. ## Configuration -Just enable the module on your MUC VirtualHost. +Just enable the module on your MUC Component. The feature will be accessible throught the room configuration form. You can tweak the position of the settings in the MUC configuration form using `anonymize_moderation_actions_form_position`. @@ -26,7 +25,20 @@ This value will be passed as priority fo By default, the field will be between muc#roomconfig_changesubject and muc#roomconfig_moderatedroom (default value is `78`). ``` lua -VirtualHost "muc.example.com" +Component "muc.example.com" "muc" modules_enabled = { "muc_anonymize_moderation_actions" } anonymize_moderation_actions_form_position = 96 ``` + +## Compatibility + + ------ ---------------------- + trunk Works as of 25-05-12 + 0.13 Works + 0.12 Works + ------ ---------------------- + +### License + +SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/> +SPDX-License-Identifier: AGPL-3.0-only
author Menel <menel@snikket.de>
date Mon, 12 May 2025 10:42:26 +0200
parents 19924a2c4a48
children
line wrap: on
line source

local st = require "util.stanza";
local cache = require "util.cache";
local add_filter = require "util.filters".add_filter;

local cache_size = module:get_option_number("presence_dedup_cache_size", 100);

-- stanza equality tests
local function attr_eq(a, b)
	if a == b then return true; end -- unlikely but not impossible
	for k,v in pairs(a) do if b[k] ~= v then return false; end end
	for k,v in pairs(b) do if a[k] ~= v then return false; end end
	return true;
end

local function st_eq(a, b)
	if a == b then return true; end
	if type(b) ~= "table" then return false; end
	if getmetatable(b) ~= st.stanza_mt then return false; end
	if a.name ~= b.name then return false; end
	if #a ~= #b then return false; end
	if not attr_eq(a.attr, b.attr) then return false; end
	for i = 1, #a do if not st_eq(a[i], b[i]) then return false; end end
	return true;
end

local function dedup_presence(stanza, session)
	if session.presence_cache and session.presence
	and getmetatable(stanza) == st.stanza_mt and stanza.name == "presence"
	and stanza.attr.xmlns == nil and stanza.attr.from then
		local cached = session.presence_cache:get(stanza.attr.from);
		if st_eq(stanza, cached) then
			return nil;
		else
			session.presence_cache:set(stanza.attr.from, st.clone(stanza));
		end
	end
	return stanza;
end

module:hook("presence/initial",	function (event)
	local session = event.origin;
	session.presence_cache = cache.new(cache_size);
	add_filter(session, "stanzas/out", dedup_presence, 90);
end);