2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- Copyright (C) 2014 Daurnimator
6 -- This project is MIT/X11 licensed. Please see the
7 -- COPYING file in the source package for more information.
10 local st = require "util.stanza";
12 local muc_util = module:require "muc/util";
13 local valid_affiliations = muc_util.valid_affiliations;
15 local function get_members_only(room)
16 return room._data.members_only;
19 local function set_members_only(room, members_only)
20 members_only = members_only and true or nil;
21 if room._data.members_only == members_only then return false; end
22 room._data.members_only = members_only;
25 If as a result of a change in the room configuration the room type is
26 changed to members-only but there are non-members in the room,
27 the service MUST remove any non-members from the room and include a
28 status code of 322 in the presence unavailable stanzas sent to those users
29 as well as any remaining occupants.
31 local occupants_changed = {};
32 for _, occupant in room:each_occupant() do
33 local affiliation = room:get_affiliation(occupant.bare_jid);
34 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then
36 room:save_occupant(occupant);
37 occupants_changed[occupant] = true;
40 local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"})
41 :tag("status", {code="322"}):up();
42 for occupant in pairs(occupants_changed) do
43 room:publicise_occupant_status(occupant, x);
44 module:fire_event("muc-occupant-left", {room = room; nick = occupant.nick; occupant = occupant;});
50 module:hook("muc-disco#info", function(event)
51 event.reply:tag("feature", {var = get_members_only(event.room) and "muc_membersonly" or "muc_open"}):up();
54 module:hook("muc-config-form", function(event)
55 table.insert(event.form, {
56 name = "muc#roomconfig_membersonly";
58 label = "Make Room Members-Only?";
59 value = get_members_only(event.room);
63 module:hook("muc-config-submitted/muc#roomconfig_membersonly", function(event)
64 if set_members_only(event.room, event.value) then
65 event.status_codes["104"] = true;
69 -- No affiliation => role of "none"
70 module:hook("muc-get-default-role", function(event)
71 if not event.affiliation and get_members_only(event.room) then
76 -- registration required for entering members-only room
77 module:hook("muc-occupant-pre-join", function(event)
78 local room = event.room;
79 if get_members_only(room) then
80 local stanza = event.stanza;
81 local affiliation = room:get_affiliation(stanza.attr.from);
82 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then
83 local reply = st.error_reply(stanza, "auth", "registration-required"):up();
84 reply.tags[1].attr.code = "407";
85 event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
91 -- Invitation privileges in members-only rooms SHOULD be restricted to room admins;
92 -- if a member without privileges to edit the member list attempts to invite another user
93 -- the service SHOULD return a <forbidden/> error to the occupant
94 module:hook("muc-pre-invite", function(event)
95 local room = event.room;
96 if get_members_only(room) then
97 local stanza = event.stanza;
98 local affiliation = room:get_affiliation(stanza.attr.from);
99 if valid_affiliations[affiliation or "none"] < valid_affiliations.admin then
100 event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
106 -- When an invite is sent; add an affiliation for the invitee
107 module:hook("muc-invite", function(event)
108 local room = event.room;
109 if get_members_only(room) then
110 local stanza = event.stanza;
111 local invitee = stanza.attr.to;
112 local affiliation = room:get_affiliation(invitee);
113 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then
114 local from = stanza:get_child("x", "http://jabber.org/protocol/muc#user")
115 :get_child("invite").attr.from;
116 module:log("debug", "%s invited %s into members only room %s, granting membership",
117 from, invitee, room.jid);
118 -- This might fail; ignore for now
119 room:set_affiliation(from, invitee, "member", "Invited by " .. from);
126 get = get_members_only;
127 set = set_members_only;