File

plugins/mod_lastactivity.lua @ 13317:e6a5f196fc1f

util.uuid: Add UUIDv7 Allows sorting by id as a substitute for sorting by timestamp since it has the timestamp in the encoded in the first part, and only things that happen extremely close together may get out of order by such a sort, which might not matter. From draft-ietf-uuidrev-rfc4122bis formerly draft-peabody-dispatch-new-uuid-format
author Kim Alvefur <zash@zash.se>
date Sun, 15 Aug 2021 14:44:21 +0200 (2021-08-15)
parent 12977:74b9e05af71e
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

local st = require "prosody.util.stanza";
local is_contact_subscribed = require "prosody.core.rostermanager".is_contact_subscribed;
local jid_bare = require "prosody.util.jid".bare;
local jid_split = require "prosody.util.jid".split;

module:add_feature("jabber:iq:last");

local map = {};

module:hook("pre-presence/bare", function(event)
	local stanza = event.stanza;
	if not(stanza.attr.to) and stanza.attr.type == "unavailable" then
		local t = os.time();
		local s = stanza:get_child_text("status");
		map[event.origin.username] = {s = s, t = t};
	end
end, 10);

module:hook("iq-get/bare/jabber:iq:last:query", function(event)
	local origin, stanza = event.origin, event.stanza;
	local username = jid_split(stanza.attr.to) or origin.username;
	if not stanza.attr.to or is_contact_subscribed(username, module.host, jid_bare(stanza.attr.from)) then
		local seconds, text = "0", "";
		if map[username] then
			seconds = string.format("%d", os.difftime(os.time(), map[username].t));
			text = map[username].s;
		end
		origin.send(st.reply(stanza):tag('query', {xmlns='jabber:iq:last', seconds=seconds}):text(text));
	else
		origin.send(st.error_reply(stanza, 'auth', 'forbidden'));
	end
	return true;
end);

module.save = function()
	return {map = map};
end
module.restore = function(data)
	map = data.map or {};
end