2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
10 if module:get_host_type() ~= "component" then
11 error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
14 local muc_host = module:get_host();
15 local muc_name = module:get_option("name");
16 if type(muc_name) ~= "string" then muc_name = "Prosody Chatrooms"; end
17 local restrict_room_creation = module:get_option("restrict_room_creation");
18 if restrict_room_creation then
19 if restrict_room_creation == true then
20 restrict_room_creation = "admin";
21 elseif restrict_room_creation ~= "admin" and restrict_room_creation ~= "local" then
22 restrict_room_creation = nil;
25 local muc_new_room = module:require "muc".new_room;
26 local jid_split = require "util.jid".split;
27 local jid_bare = require "util.jid".bare;
28 local st = require "util.stanza";
29 local uuid_gen = require "util.uuid".generate;
30 local datamanager = require "util.datamanager";
31 local um_is_admin = require "core.usermanager".is_admin;
35 local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {};
36 local component = hosts[module.host];
38 -- Configurable options
39 local max_history_messages = module:get_option_number("max_history_messages");
41 local function is_admin(jid)
42 return um_is_admin(jid, module.host);
45 local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end
46 local function room_save(room, forced)
47 local node = jid_split(room.jid);
48 persistent_rooms[room.jid] = room._data.persistent;
49 if room._data.persistent then
50 local history = room._data.history;
51 room._data.history = nil;
55 _affiliations = room._affiliations;
57 datamanager.store(node, muc_host, "config", data);
58 room._data.history = history;
60 datamanager.store(node, muc_host, "config", nil);
62 if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end
65 for jid in pairs(persistent_rooms) do
66 local node = jid_split(jid);
67 local data = datamanager.load(node, muc_host, "config") or {};
68 local room = muc_new_room(jid, {
69 history_length = max_history_messages;
71 room._data = data._data;
72 room._data.history_length = max_history_messages; --TODO: Need to allow per-room with a global limit
73 room._affiliations = data._affiliations;
74 room.route_stanza = room_route_stanza;
75 room.save = room_save;
79 local host_room = muc_new_room(muc_host, {
80 history_length = max_history_messages;
82 host_room.route_stanza = room_route_stanza;
83 host_room.save = room_save;
85 local function get_disco_info(stanza)
86 return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
87 :tag("identity", {category='conference', type='text', name=muc_name}):up()
88 :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
90 local function get_disco_items(stanza)
91 local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
92 for jid, room in pairs(rooms) do
93 if not room:is_hidden() then
94 reply:tag("item", {jid=jid, name=room:get_name()}):up();
97 return reply; -- TODO cache disco reply
100 local function handle_to_domain(origin, stanza)
101 local type = stanza.attr.type;
102 if type == "error" or type == "result" then return; end
103 if stanza.name == "iq" and type == "get" then
104 local xmlns = stanza.tags[1].attr.xmlns;
105 if xmlns == "http://jabber.org/protocol/disco#info" then
106 origin.send(get_disco_info(stanza));
107 elseif xmlns == "http://jabber.org/protocol/disco#items" then
108 origin.send(get_disco_items(stanza));
109 elseif xmlns == "http://jabber.org/protocol/muc#unique" then
110 origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions
112 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
115 host_room:handle_stanza(origin, stanza);
116 --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
120 function stanza_handler(event)
121 local origin, stanza = event.origin, event.stanza;
122 local to_node, to_host, to_resource = jid_split(stanza.attr.to);
124 local bare = to_node.."@"..to_host;
125 if to_host == muc_host or bare == muc_host then
126 local room = rooms[bare];
128 if not(restrict_room_creation) or
129 (restrict_room_creation == "admin" and is_admin(stanza.attr.from)) or
130 (restrict_room_creation == "local" and select(2, jid_split(stanza.attr.from)) == module.host:gsub("^[^%.]+%.", "")) then
131 room = muc_new_room(bare, {
132 history_length = max_history_messages;
134 room.route_stanza = room_route_stanza;
135 room.save = room_save;
140 room:handle_stanza(origin, stanza);
141 if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room
142 rooms[bare] = nil; -- discard room
145 origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
147 else --[[not for us?]] end
150 -- to the main muc domain
151 handle_to_domain(origin, stanza);
154 module:hook("iq/bare", stanza_handler, -1);
155 module:hook("message/bare", stanza_handler, -1);
156 module:hook("presence/bare", stanza_handler, -1);
157 module:hook("iq/full", stanza_handler, -1);
158 module:hook("message/full", stanza_handler, -1);
159 module:hook("presence/full", stanza_handler, -1);
160 module:hook("iq/host", stanza_handler, -1);
161 module:hook("message/host", stanza_handler, -1);
162 module:hook("presence/host", stanza_handler, -1);
164 hosts[module.host].send = function(stanza) -- FIXME do a generic fix
165 if stanza.attr.type == "result" or stanza.attr.type == "error" then
166 core_post_stanza(component, stanza);
167 else error("component.send only supports result and error stanzas at the moment"); end
170 prosody.hosts[module:get_host()].muc = { rooms = rooms };
172 module.save = function()
173 return {rooms = rooms};
175 module.restore = function(data)
176 for jid, oldroom in pairs(data.rooms or {}) do
177 local room = muc_new_room(jid);
178 room._jid_nick = oldroom._jid_nick;
179 room._occupants = oldroom._occupants;
180 room._data = oldroom._data;
181 room._affiliations = oldroom._affiliations;
182 room.route_stanza = room_route_stanza;
183 room.save = room_save;
186 prosody.hosts[module:get_host()].muc = { rooms = rooms };