prosody/plugins/mod_offline.lua

-- Prosody IM
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
-- 
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--


local datamanager = require "util.datamanager";
local st = require "util.stanza";
local datetime = require "util.datetime";
local ipairs = ipairs;

module:add_feature("msgoffline");

module:hook("message/offline/store", function(event)
	local origin, stanza = event.origin, event.stanza;
	local to = stanza.attr.to;
	local node, host;
	if to then
		node, host = jid_split(to)
	else
		node, host = origin.username, origin.host;
	end
	
	stanza.attr.stamp, stanza.attr.stamp_legacy = datetime.datetime(), datetime.legacy();
	local result = datamanager.list_append(node, host, "offline", st.preserialize(stanza));
	stanza.attr.stamp, stanza.attr.stamp_legacy = nil, nil;
	
	return true;
end);

module:hook("message/offline/broadcast", function(event)
	local origin = event.origin;
	local node, host = origin.username, origin.host;
	
	local data = datamanager.list_load(node, host, "offline");
	if not data then return true; end
	for _, stanza in ipairs(data) do
		stanza = st.deserialize(stanza);
		stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = stanza.attr.stamp}):up(); -- XEP-0203
		stanza:tag("x", {xmlns = "jabber:x:delay", from = host, stamp = stanza.attr.stamp_legacy}):up(); -- XEP-0091 (deprecated)
		stanza.attr.stamp, stanza.attr.stamp_legacy = nil, nil;
		origin.send(stanza);
	end
	return true;
end);

module:hook("message/offline/delete", function(event)
	local origin = event.origin;
	local node, host = origin.username, origin.host;

	return datamanager.list_store(node, host, "offline", nil);
end);