diff options
Diffstat (limited to 'plugins/muc/mod_muc.lua')
| -rw-r--r-- | plugins/muc/mod_muc.lua | 164 |
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 |