MUC: Assign priorities to config form hooks so they have a consistent order on each...
[prosody.git] / 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         event.reply:tag("feature", {var = get_whois(event.room) ~= "anyone" and "muc_semianonymous" or "muc_nonanonymous"}):up();
28 end);
29
30 module:hook("muc-config-form", function(event)
31         local whois = get_whois(event.room);
32         table.insert(event.form, {
33                 name = 'muc#roomconfig_whois',
34                 type = 'list-single',
35                 label = 'Who May Discover Real JIDs?',
36                 value = {
37                         { value = 'moderators', label = 'Moderators Only', default = whois == 'moderators' },
38                         { value = 'anyone',     label = 'Anyone',          default = whois == 'anyone' }
39                 }
40         });
41 end, 100-9);
42
43 module:hook("muc-config-submitted/muc#roomconfig_whois", function(event)
44         if set_whois(event.room, event.value) then
45                 local code = (event.value == 'moderators') and "173" or "172";
46                 event.status_codes[code] = true;
47         end
48 end);
49
50 -- Mask 'from' jid as occupant jid if room is anonymous
51 module:hook("muc-invite", function(event)
52         local room, stanza = event.room, event.stanza;
53         if get_whois(room) == "moderators" and room:get_default_role(room:get_affiliation(stanza.attr.to)) ~= "moderator" then
54                 local invite = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite");
55                 local occupant_jid = room:get_occupant_jid(invite.attr.from);
56                 if occupant_jid ~= nil then -- FIXME: This will expose real jid if inviter is not in room
57                         invite.attr.from = occupant_jid;
58                 end
59         end
60 end, 50);
61
62 return {
63         get = get_whois;
64         set = set_whois;
65 };