mod_pep: Wipe pubsub service on user deletion
Data is already wiped from storage, but this ensures everything is
properly unsubscribed, possibly with notifications etc.
Clears recipient cache as well, since it is no longer relevant.
-- 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 "util.stanza";
local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
local jid_bare = require "util.jid".bare;
local jid_split = require "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 = tostring(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