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, jid = require "util.stanza", require "util.jid";
local hosts = prosody.hosts;
local is_admin = require "core.usermanager".is_admin;
function send_to_online(message, host)
local sessions;
if host then
sessions = { [host] = hosts[host] };
else
sessions = hosts;
end
local c = 0;
for hostname, host_session in pairs(sessions) do
if host_session.sessions then
message.attr.from = hostname;
for username in pairs(host_session.sessions) do
c = c + 1;
message.attr.to = username.."@"..hostname;
module:send(message);
end
end
end
return c;
end
-- Old <message>-based jabberd-style announcement sending
function handle_announcement(event)
local stanza = event.stanza;
local node, host, resource = jid.split(stanza.attr.to);
if resource ~= "announce/online" then
return; -- Not an announcement
end
if not is_admin(stanza.attr.from, host) then
-- Not an admin? Not allowed!
module:log("warn", "Non-admin '%s' tried to send server announcement", stanza.attr.from);
return;
end
module:log("info", "Sending server announcement to all online users");
local message = st.clone(stanza);
message.attr.type = "headline";
message.attr.from = host;
local c = send_to_online(message, host);
module:log("info", "Announcement sent to %d online users", c);
return true;
end
module:hook("message/host", handle_announcement);
-- Ad-hoc command (XEP-0133)
local dataforms_new = require "util.dataforms".new;
local announce_layout = dataforms_new{
title = "Making an Announcement";
instructions = "Fill out this form to make an announcement to all\nactive users of this service.";
{ name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
{ name = "subject", type = "text-single", label = "Subject" };
{ name = "announcement", type = "text-multi", required = true, label = "Announcement" };
};
function announce_handler(_, data, state)
if state then
if data.action == "cancel" then
return { status = "canceled" };
end
local fields = announce_layout:data(data.form);
module:log("info", "Sending server announcement to all online users");
local message = st.message({type = "headline"}, fields.announcement):up()
:tag("subject"):text(fields.subject or "Announcement");
local count = send_to_online(message, data.to);
module:log("info", "Announcement sent to %d online users", count);
return { status = "completed", info = ("Announcement sent to %d online users"):format(count) };
else
return { status = "executing", actions = {"next", "complete", default = "complete"}, form = announce_layout }, "executing";
end
end
module:depends "adhoc";
local adhoc_new = module:require "adhoc".new;
local announce_desc = adhoc_new("Send Announcement to Online Users", "http://jabber.org/protocol/admin#announce", announce_handler, "admin");
module:provides("adhoc", announce_desc);