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) 2008-2014 Matthew Wild
-- Copyright (C) 2008-2014 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local ok, crand = pcall(require, "util.crand");
if ok then return crand; end
local urandom, urandom_err = io.open("/dev/urandom", "r");
local function bytes(n)
local data, err = urandom:read(n);
if not data then
if err then
error("Unable to retrieve data from secure random number generator (/dev/urandom): "..tostring(err));
else
error("Secure random number generator (/dev/urandom) returned an end-of-file condition");
end
end
return data;
end
if not urandom then
function bytes()
error("Unable to obtain a secure random number generator, please see https://prosody.im/doc/random ("..urandom_err..")");
end
end
return {
bytes = bytes;
_source = "/dev/urandom";
};