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 and restrict_room_creation ~= true then restrict_room_creation = nil; end
20 local muc_new_room = module:require "muc".new_room;
21 local register_component = require "core.componentmanager".register_component;
22 local deregister_component = require "core.componentmanager".deregister_component;
23 local jid_split = require "util.jid".split;
24 local jid_bare = require "util.jid".bare;
25 local st = require "util.stanza";
26 local uuid_gen = require "util.uuid".generate;
27 local datamanager = require "util.datamanager";
28 local um_is_admin = require "core.usermanager".is_admin;
31 local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {};
34 local function is_admin(jid)
35 return um_is_admin(jid) or um_is_admin(jid, module.host);
38 local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end
39 local function room_save(room, forced)
40 local node = jid_split(room.jid);
41 persistent_rooms[room.jid] = room._data.persistent;
42 if room._data.persistent then
43 local history = room._data.history;
44 room._data.history = nil;
48 _affiliations = room._affiliations;
50 datamanager.store(node, muc_host, "config", data);
51 room._data.history = history;
53 datamanager.store(node, muc_host, "config", nil);
55 if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end
58 for jid in pairs(persistent_rooms) do
59 local node = jid_split(jid);
60 local data = datamanager.load(node, muc_host, "config") or {};
61 local room = muc_new_room(jid);
62 room._data = data._data;
63 room._affiliations = data._affiliations;
64 room.route_stanza = room_route_stanza;
65 room.save = room_save;
69 local host_room = muc_new_room(muc_host);
70 host_room.route_stanza = room_route_stanza;
71 host_room.save = room_save;
73 local function get_disco_info(stanza)
74 return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
75 :tag("identity", {category='conference', type='text', name=muc_name}):up()
76 :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
78 local function get_disco_items(stanza)
79 local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
80 for jid, room in pairs(rooms) do
81 if not room._data.hidden then
82 reply:tag("item", {jid=jid, name=jid}):up();
85 return reply; -- TODO cache disco reply
88 local function handle_to_domain(origin, stanza)
89 local type = stanza.attr.type;
90 if type == "error" or type == "result" then return; end
91 if stanza.name == "iq" and type == "get" then
92 local xmlns = stanza.tags[1].attr.xmlns;
93 if xmlns == "http://jabber.org/protocol/disco#info" then
94 origin.send(get_disco_info(stanza));
95 elseif xmlns == "http://jabber.org/protocol/disco#items" then
96 origin.send(get_disco_items(stanza));
97 elseif xmlns == "http://jabber.org/protocol/muc#unique" then
98 origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions
100 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
103 host_room:handle_stanza(origin, stanza);
104 --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
108 component = register_component(muc_host, function(origin, stanza)
109 local to_node, to_host, to_resource = jid_split(stanza.attr.to);
111 local bare = to_node.."@"..to_host;
112 if to_host == muc_host or bare == muc_host then
113 local room = rooms[bare];
115 if not(restrict_room_creation) or is_admin(stanza.attr.from) then
116 room = muc_new_room(bare);
117 room.route_stanza = room_route_stanza;
118 room.save = room_save;
123 room:handle_stanza(origin, stanza);
124 if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room
125 rooms[bare] = nil; -- discard room
128 origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
130 else --[[not for us?]] end
133 -- to the main muc domain
134 handle_to_domain(origin, stanza);
136 function component.send(stanza) -- FIXME do a generic fix
137 if stanza.attr.type == "result" or stanza.attr.type == "error" then
138 core_post_stanza(component, stanza);
139 else error("component.send only supports result and error stanzas at the moment"); end
142 prosody.hosts[module:get_host()].muc = { rooms = rooms };
144 module.unload = function()
145 deregister_component(muc_host);
147 module.save = function()
148 return {rooms = rooms};
150 module.restore = function(data)
152 for jid, oldroom in pairs(data.rooms or {}) do
153 local room = muc_new_room(jid);
154 room._jid_nick = oldroom._jid_nick;
155 room._occupants = oldroom._occupants;
156 room._data = oldroom._data;
157 room._affiliations = oldroom._affiliations;
158 room.route_stanza = room_route_stanza;
159 room.save = room_save;
162 prosody.hosts[module:get_host()].muc = { rooms = rooms };