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-rw-r--r--plugins/muc/mod_muc.lua164
1 files changed, 164 insertions, 0 deletions
diff --git a/plugins/muc/mod_muc.lua b/plugins/muc/mod_muc.lua
new file mode 100644
index 00000000..856f3cba
--- /dev/null
+++ b/plugins/muc/mod_muc.lua
@@ -0,0 +1,164 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+if module:get_host_type() ~= "component" then
+ error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
+end
+
+local muc_host = module:get_host();
+local muc_name = module:get_option("name");
+if type(muc_name) ~= "string" then muc_name = "Prosody Chatrooms"; end
+local restrict_room_creation = module:get_option("restrict_room_creation");
+if restrict_room_creation and restrict_room_creation ~= true then restrict_room_creation = nil; end
+local history_length = 20;
+
+local muc_new_room = module:require "muc".new_room;
+local register_component = require "core.componentmanager".register_component;
+local deregister_component = require "core.componentmanager".deregister_component;
+local jid_split = require "util.jid".split;
+local jid_bare = require "util.jid".bare;
+local st = require "util.stanza";
+local uuid_gen = require "util.uuid".generate;
+local datamanager = require "util.datamanager";
+local um_is_admin = require "core.usermanager".is_admin;
+
+local rooms = {};
+local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {};
+local component;
+
+local function is_admin(jid)
+ return um_is_admin(jid) or um_is_admin(jid, module.host);
+end
+
+local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end
+local function room_save(room, forced)
+ local node = jid_split(room.jid);
+ persistent_rooms[room.jid] = room._data.persistent;
+ if room._data.persistent then
+ local history = room._data.history;
+ room._data.history = nil;
+ local data = {
+ jid = room.jid;
+ _data = room._data;
+ _affiliations = room._affiliations;
+ };
+ datamanager.store(node, muc_host, "config", data);
+ room._data.history = history;
+ elseif forced then
+ datamanager.store(node, muc_host, "config", nil);
+ end
+ if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end
+end
+
+for jid in pairs(persistent_rooms) do
+ local node = jid_split(jid);
+ local data = datamanager.load(node, muc_host, "config") or {};
+ local room = muc_new_room(jid);
+ room._data = data._data;
+ room._affiliations = data._affiliations;
+ room.route_stanza = room_route_stanza;
+ room.save = room_save;
+ rooms[jid] = room;
+end
+
+local host_room = muc_new_room(muc_host);
+host_room.route_stanza = room_route_stanza;
+host_room.save = room_save;
+
+local function get_disco_info(stanza)
+ return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
+ :tag("identity", {category='conference', type='text', name=muc_name}):up()
+ :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
+end
+local function get_disco_items(stanza)
+ local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
+ for jid, room in pairs(rooms) do
+ if not room._data.hidden then
+ reply:tag("item", {jid=jid, name=jid}):up();
+ end
+ end
+ return reply; -- TODO cache disco reply
+end
+
+local function handle_to_domain(origin, stanza)
+ local type = stanza.attr.type;
+ if type == "error" or type == "result" then return; end
+ if stanza.name == "iq" and type == "get" then
+ local xmlns = stanza.tags[1].attr.xmlns;
+ if xmlns == "http://jabber.org/protocol/disco#info" then
+ origin.send(get_disco_info(stanza));
+ elseif xmlns == "http://jabber.org/protocol/disco#items" then
+ origin.send(get_disco_items(stanza));
+ elseif xmlns == "http://jabber.org/protocol/muc#unique" then
+ origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
+ end
+ else
+ host_room:handle_stanza(origin, stanza);
+ --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
+ end
+end
+
+component = register_component(muc_host, function(origin, stanza)
+ local to_node, to_host, to_resource = jid_split(stanza.attr.to);
+ if to_node then
+ local bare = to_node.."@"..to_host;
+ if to_host == muc_host or bare == muc_host then
+ local room = rooms[bare];
+ if not room then
+ if not(restrict_room_creation) or is_admin(stanza.attr.from) then
+ room = muc_new_room(bare);
+ room.route_stanza = room_route_stanza;
+ room.save = room_save;
+ rooms[bare] = room;
+ end
+ end
+ if room then
+ room:handle_stanza(origin, stanza);
+ if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room
+ rooms[bare] = nil; -- discard room
+ end
+ else
+ origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
+ end
+ else --[[not for us?]] end
+ return;
+ end
+ -- to the main muc domain
+ handle_to_domain(origin, stanza);
+end);
+function component.send(stanza) -- FIXME do a generic fix
+ if stanza.attr.type == "result" or stanza.attr.type == "error" then
+ core_post_stanza(component, stanza);
+ else error("component.send only supports result and error stanzas at the moment"); end
+end
+
+prosody.hosts[module:get_host()].muc = { rooms = rooms };
+
+module.unload = function()
+ deregister_component(muc_host);
+end
+module.save = function()
+ return {rooms = rooms};
+end
+module.restore = function(data)
+ rooms = {};
+ for jid, oldroom in pairs(data.rooms or {}) do
+ local room = muc_new_room(jid);
+ room._jid_nick = oldroom._jid_nick;
+ room._occupants = oldroom._occupants;
+ room._data = oldroom._data;
+ room._affiliations = oldroom._affiliations;
+ room.route_stanza = room_route_stanza;
+ room.save = room_save;
+ rooms[jid] = room;
+ end
+ prosody.hosts[module:get_host()].muc = { rooms = rooms };
+end