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 hosts = prosody.hosts;
local tostring, pairs, setmetatable
= tostring, pairs, setmetatable;
local logger_init = require "util.logger".init;
local log = logger_init("s2smanager");
local prosody = _G.prosody;
local incoming_s2s = {};
_G.incoming_s2s = incoming_s2s;
prosody.incoming_s2s = incoming_s2s;
local fire_event = prosody.events.fire_event;
local _ENV = nil;
-- luacheck: std none
local function new_incoming(conn)
local session = { conn = conn, type = "s2sin_unauthed", direction = "incoming", hosts = {} };
session.log = logger_init("s2sin"..tostring(session):match("[a-f0-9]+$"));
incoming_s2s[session] = true;
return session;
end
local function new_outgoing(from_host, to_host)
local host_session = { to_host = to_host, from_host = from_host, host = from_host,
notopen = true, type = "s2sout_unauthed", direction = "outgoing" };
hosts[from_host].s2sout[to_host] = host_session;
local conn_name = "s2sout"..tostring(host_session):match("[a-f0-9]*$");
host_session.log = logger_init(conn_name);
return host_session;
end
local resting_session = { -- Resting, not dead
destroyed = true;
type = "s2s_destroyed";
open_stream = function (session)
session.log("debug", "Attempt to open stream on resting session");
end;
close = function (session)
session.log("debug", "Attempt to close already-closed session");
end;
filter = function (type, data) return data; end; --luacheck: ignore 212/type
}; resting_session.__index = resting_session;
local function retire_session(session, reason)
local log = session.log or log; --luacheck: ignore 431/log
for k in pairs(session) do
if k ~= "log" and k ~= "id" and k ~= "conn" then
session[k] = nil;
end
end
session.destruction_reason = reason;
function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end
function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
session.thread = { run = function (_, data) return session.data(data) end };
session.sends2s = session.send;
return setmetatable(session, resting_session);
end
local function destroy_session(session, reason)
if session.destroyed then return; end
(session.log or log)("debug", "Destroying "..tostring(session.direction)
.." session "..tostring(session.from_host).."->"..tostring(session.to_host)
..(reason and (": "..reason) or ""));
if session.direction == "outgoing" then
hosts[session.from_host].s2sout[session.to_host] = nil;
session:bounce_sendq(reason);
elseif session.direction == "incoming" then
incoming_s2s[session] = nil;
end
local event_data = { session = session, reason = reason };
if session.type == "s2sout" then
fire_event("s2sout-destroyed", event_data);
if hosts[session.from_host] then
hosts[session.from_host].events.fire_event("s2sout-destroyed", event_data);
end
elseif session.type == "s2sin" then
fire_event("s2sin-destroyed", event_data);
if hosts[session.to_host] then
hosts[session.to_host].events.fire_event("s2sin-destroyed", event_data);
end
end
retire_session(session, reason); -- Clean session until it is GC'd
return true;
end
return {
incoming_s2s = incoming_s2s;
new_incoming = new_incoming;
new_outgoing = new_outgoing;
retire_session = retire_session;
destroy_session = destroy_session;
};