plugins/muc/whois.lib.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2008-2010 Matthew Wild
   3 -- Copyright (C) 2008-2010 Waqas Hussain
   4 -- Copyright (C) 2014 Daurnimator
   5 --
   6 -- This project is MIT/X11 licensed. Please see the
   7 -- COPYING file in the source package for more information.
   8 --
   9
  10 local valid_whois = {
  11         moderators = true;
  12         anyone = true;
  13 };
  14
  15 local function get_whois(room)
  16         return room._data.whois or "moderators";
  17 end
  18
  19 local function set_whois(room, whois)
  20         assert(valid_whois[whois], "Invalid whois value")
  21         if get_whois(room) == whois then return false; end
  22         room._data.whois = whois;
  23         return true;
  24 end
  25
  26 module:hook("muc-disco#info", function(event)
  27         local whois = get_whois(event.room) ~= "anyone" and "muc_semianonymous" or "muc_nonanonymous";
  28         event.reply:tag("feature", { var = whois }):up();
  29 end);
  30
  31 module:hook("muc-config-form", function(event)
  32         local whois = get_whois(event.room);
  33         table.insert(event.form, {
  34                 name = 'muc#roomconfig_whois',
  35                 type = 'list-single',
  36                 label = 'Addresses (JIDs) of room occupants may be viewed by:',
  37                 options = {
  38                         { value = 'moderators', label = 'Moderators only', default = whois == 'moderators' },
  39                         { value = 'anyone',     label = 'Anyone',          default = whois == 'anyone' }
  40                 }
  41         });
  42 end, 80-4);
  43
  44 module:hook("muc-config-submitted/muc#roomconfig_whois", function(event)
  45         if set_whois(event.room, event.value) then
  46                 local code = (event.value == 'moderators') and "173" or "172";
  47                 event.status_codes[code] = true;
  48         end
  49 end);
  50
  51 -- Mask 'from' jid as occupant jid if room is anonymous
  52 module:hook("muc-invite", function(event)
  53         local room, stanza = event.room, event.stanza;
  54         if get_whois(room) == "moderators" and room:get_default_role(room:get_affiliation(stanza.attr.to)) ~= "moderator" then
  55                 local invite = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite");
  56                 local occupant_jid = room:get_occupant_jid(invite.attr.from);
  57                 if occupant_jid ~= nil then -- FIXME: This will expose real jid if inviter is not in room
  58                         invite.attr.from = occupant_jid;
  59                 end
  60         end
  61 end, 50);
  62
  63 return {
  64         get = get_whois;
  65         set = set_whois;
  66 };