plugins/mod_offline.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2008-2009 Matthew Wild
   3 -- Copyright (C) 2008-2009 Waqas Hussain
   4 --
   5 -- This project is MIT/X11 licensed. Please see the
   6 -- COPYING file in the source package for more information.
   7 --
   8
   9
  10 local datetime = require "util.datetime";
  11 local jid_split = require "util.jid".split;
  12
  13 local offline_messages = module:open_store("offline", "archive");
  14
  15 module:add_feature("msgoffline");
  16
  17 module:hook("message/offline/handle", function(event)
  18         local origin, stanza = event.origin, event.stanza;
  19         local to = stanza.attr.to;
  20         local node;
  21         if to then
  22                 node = jid_split(to)
  23         else
  24                 node = origin.username;
  25         end
  26
  27         return offline_messages:append(node, nil, stanza, os.time(), "");
  28 end, -1);
  29
  30 module:hook("message/offline/broadcast", function(event)
  31         local origin = event.origin;
  32
  33         local node, host = origin.username, origin.host;
  34
  35         local data = offline_messages:find(node);
  36         if not data then return true; end
  37         for _, stanza, when in data do
  38                 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = host, stamp = datetime.datetime(when)}):up(); -- XEP-0203
  39                 origin.send(stanza);
  40         end
  41         offline_messages:delete(node);
  42         return true;
  43 end, -1);