+-- 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.
+--
-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 log = require "util.logger".init("mod_muc");
-local multitable_new = require "util.multitable".new;
-local t_insert, t_remove = table.insert, table.remove;
-
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_domain = module:get_host();
-local muc_name = "MUCMUCMUC!!!";
+local muc_host = module:get_host();
+local muc_name = "Chatrooms";
local history_length = 20;
--- room_name -> room
- -- occupant_room_nick -> data
- -- affiliation = ...
- -- role
- -- jid = occupant's real jid
-local rooms = multitable_new();
-
-local jid_nick = multitable_new(); -- real jid -> room's jid -> room nick
-
--- room_name -> info
- -- name - the room's friendly name
- -- subject - the room's subject
- -- non-anonymous = true|nil
- -- persistent = true|nil
- -- history = {preserialized stanzas}
-local rooms_info = multitable_new();
-
-local persist_list = datamanager.load(nil, muc_domain, 'room_list') or {};
-for room in pairs(persist_list) do
- rooms_info:set(room, datamanager.store(room, muc_domain, 'rooms') or nil);
-end
+local muc_new_room = require "util.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 st = require "util.stanza";
+local rooms = {};
local component;
+local host_room = muc_new_room(muc_host);
+host_room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
-function filter_xmlns_from_array(array, filters)
- local count = 0;
- for i=#array,1,-1 do
- local attr = array[i].attr;
- if filters[attr and attr.xmlns] then
- t_remove(array, i);
- count = count + 1;
- end
- end
- return count;
-end
-function filter_xmlns_from_stanza(stanza, filters)
- if filters then
- if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then
- return stanza, filter_xmlns_from_array(stanza, filters);
- end
- end
- return stanza, 0;
-end
-local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true};
-function get_filtered_presence(stanza)
- return filter_xmlns_from_stanza(st.deserialize(st.preserialize(stanza)), presence_filters);
-end
-function getUsingPath(stanza, path, getText)
- local tag = stanza;
- for _, name in ipairs(path) do
- if type(tag) ~= 'table' then return; end
- tag = tag:child_with_name(name);
- end
- if tag and getText then tag = table.concat(tag); end
- return tag;
-end
-function getTag(stanza, path) return getUsingPath(stanza, path); end
-function getText(stanza, path) return getUsingPath(stanza, path, true); end
-
-function get_disco_info(stanza)
- return st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
+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
-function get_disco_items(stanza)
- local reply = st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
- for room in pairs(rooms_info:get()) do
- reply:tag("item", {jid=room, name=rooms_info:get(room, "name")}):up();
+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
+ reply:tag("item", {jid=jid, name=jid}):up();
end
return reply; -- TODO cache disco reply
end
-function get_room_disco_info(stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
- :tag("identity", {category='conference', type='text', name=rooms_info:get(stanza.attr.to, "name")}):up()
- :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
-end
-function get_room_disco_items(stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
-end -- TODO allow non-private rooms
-
-function save_room(room)
- local persistent = rooms_info:get(room, 'persistent');
- if persistent then
- datamanager.store(room, muc_domain, 'rooms', rooms_info:get(room));
- end
- if persistent ~= persist_list[room] then
- if not persistent then
- datamanager.store(room, muc_domain, 'rooms', nil);
- end
- persist_list[room] = persistent;
- datamanager.store(nil, muc_domain, 'room_list', persist_list);
- end
-end
-
-function set_subject(current_nick, room, subject)
- -- TODO check nick's authority
- if subject == "" then subject = nil; end
- rooms_info:set(room, 'subject', subject);
- save_room();
- local msg = st.message({type='groupchat', from=from})
- :tag('subject'):text(subject):up();
- broadcast_message_stanza(room, msg, false);
- --broadcast_message(current_nick, room, subject or "", nil);
- return true;
-end
-function broadcast_presence(type, from, room, code, newnick)
- local data = rooms:get(room, from);
- local stanza = st.presence({type=type, from=from})
- :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=data.affiliation, role=data.role, nick = newnick}):up();
- if code then
- stanza:tag("status", {code=code}):up();
- end
- local me;
- local r = rooms:get(room);
- if r then
- for occupant, o_data in pairs(r) do
- if occupant ~= from then
- stanza.attr.to = o_data.jid;
- core_route_stanza(component, stanza);
- else
- me = o_data.jid;
- end
- end
- end
- if me then
- stanza:tag("status", {code='110'});
- stanza.attr.to = me;
- core_route_stanza(component, stanza);
- end
-end
-function broadcast_message(from, room, subject, body)
- local stanza = st.message({type='groupchat', from=from});
- if subject then stanza:tag('subject'):text(subject):up(); end
- if body then stanza:tag('body'):text(body):up(); end
- local r = rooms:get(room);
- if r then
- for occupant, o_data in pairs(r) do
- stanza.attr.to = o_data.jid;
- core_route_stanza(component, stanza);
- end
- if not subject and body then -- add to history
- local history = rooms_info:get(room, 'history');
- if not history then history = {}; rooms_info:set(room, 'history', history); end
- -- stanza = st.deserialize(st.preserialize(stanza));
- stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203
- stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
- t_insert(history, st.preserialize(stanza));
- while #history > history_length do t_remove(history, 1) end
- end
- end
-end
-function broadcast_message_stanza(room, stanza, historic)
- local r = rooms:get(room);
- if r then
- for occupant, o_data in pairs(r) do
- for jid in pairs(o_data.sessions) do
- stanza.attr.to = jid;
- core_route_stanza(component, stanza);
- end
- end
- if historic then -- add to history
- local history = rooms_info:get(room, 'history');
- if not history then history = {}; rooms_info:set(room, 'history', history); end
- -- stanza = st.deserialize(st.preserialize(stanza));
- stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203
- stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
- t_insert(history, st.preserialize(stanza));
- while #history > history_length do t_remove(history, 1) end
- end
- end
-end
-function broadcast_presence_stanza(room, stanza, code, nick)
- stanza = get_filtered_presence(stanza);
- local data = rooms:get(room, stanza.attr.from);
- stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=data.affiliation, role=data.role, nick=nick}):up();
- if code then
- stanza:tag("status", {code=code}):up();
- end
- local me;
- local r = rooms:get(room);
- if r then
- for occupant, o_data in pairs(r) do
- if occupant ~= stanza.attr.from then
- for jid in pairs(o_data.sessions) do
- stanza.attr.to = jid;
- core_route_stanza(component, stanza);
- end
- else
- me = o_data;
- end
- end
- end
- if me then
- stanza:tag("status", {code='110'});
- for jid in pairs(me.sessions) do
- stanza.attr.to = jid;
- core_route_stanza(component, stanza);
- end
- end
-end
-
-function handle_to_occupant(origin, stanza) -- PM, vCards, etc
- local from, to = stanza.attr.from, stanza.attr.to;
- local room = jid_bare(to);
- local current_nick = jid_nick:get(from, room);
- local type = stanza.attr.type;
- if stanza.name == "presence" then
- local pr = get_filtered_presence(stanza);
- pr.attr.from = to;
- if type == "error" then -- error, kick em out!
- if current_nick then
- local data = rooms:get(room, to);
- data.role = 'none';
- local pr = st.presence({type='unavailable', from=current_nick}):tag('status'):text('This participant is kicked from the room because he sent an error presence'):up()
- :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=data.affiliation, role=data.role}):up();
- broadcast_presence_stanza(room, pr);
- --broadcast_presence('unavailable', to, room); -- TODO also add <status>This participant is kicked from the room because he sent an error presence: badformed error stanza</status>
- rooms:remove(room, to);
- jid_nick:remove(from, room);
- end
- elseif type == "unavailable" then -- unavailable
- if current_nick then
- local data = rooms:get(room, to);
- data.role = 'none';
- broadcast_presence_stanza(room, pr);
- --broadcast_presence('unavailable', to, room);
- rooms:remove(room, to);
- jid_nick:remove(from, room);
- end
- elseif not type then -- available
- if current_nick then
- if current_nick == to then -- simple presence
- broadcast_presence_stanza(room, pr);
- -- FIXME check if something was filtered. if it was, then user may be rejoining
- else -- change nick
- if rooms:get(room, to) then
- origin.send(st.error_reply(stanza, "cancel", "conflict"));
- else
- local data = rooms:get(room, current_nick);
- local to_nick = select(3, jid_split(to));
- if to_nick then
- local p = st.presence({type='unavailable', from=current_nick});
- --[[:tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
- :tag('item', {affiliation=data.affiliation, role=data.role, nick=to_nick}):up()
- :tag('status', {code='303'});]]
- broadcast_presence_stanza(room, p, '303', to_nick);
- --broadcast_presence('unavailable', current_nick, room, '303', to_nick);
- rooms:remove(room, current_nick);
- rooms:set(room, to, data);
- jid_nick:set(from, room, to);
- broadcast_presence_stanza(room, pr);
- --broadcast_presence(nil, to, room, nil);
- else
- --TODO malformed-jid
- end
- end
- end
- else -- enter room
- local new_nick = to;
- if rooms:get(room, to) then
- new_nick = nil;
- end
- if not new_nick then
- origin.send(st.error_reply(stanza, "cancel", "conflict"));
- else
- local data;
- if not rooms:get(room) and not rooms_info:get(room) then -- new room
- data = {affiliation='owner', role='moderator', jid=from, sessions={[from]=get_filtered_presence(stanza)}};
- end
- if not data then -- new occupant
- data = {affiliation='none', role='participant', jid=from, sessions={[from]=get_filtered_presence(stanza)}};
- end
- rooms:set(room, to, data);
- jid_nick:set(from, room, to);
- local r = rooms:get(room);
- if r then
- for occupant, o_data in pairs(r) do
- if occupant ~= from then
- local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
- pres.attr.to, pres.attr.from = from, occupant;
- pres
- --local pres = st.presence({to=from, from=occupant})
- :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up();
- core_route_stanza(component, pres);
- end
- end
- end
- broadcast_presence_stanza(room, pr);
- --broadcast_presence(nil, to, room);
- local history = rooms_info:get(room, 'history'); -- send discussion history
- if history then
- for _, msg in ipairs(history) do
- msg = st.deserialize(msg);
- msg.attr.to=from;
- core_route_stanza(component, msg);
- end
- end
- if rooms_info:get(room, 'subject') then
- core_route_stanza(component, st.message({type='groupchat', from=room, to=from}):tag("subject"):text(rooms_info:get(room, 'subject')));
- end
- end
- end
- elseif type ~= 'result' then -- bad type
- origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
- end
- elseif not current_nick then -- not in room
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
- elseif stanza.name == "message" and type == "groupchat" then
- -- groupchat messages not allowed in PM
- origin.send(st.error_reply(stanza, "modify", "bad-request"));
- else -- private stanza
- local o_data = rooms:get(room, to);
- if o_data then
- stanza.attr.to, stanza.attr.from = o_data.jid, current_nick;
- core_route_stanza(component, stanza);
- else -- recipient not in room
- origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
- end
- end
-end
-
-function handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc
- local type = stanza.attr.type;
- if stanza.name == "iq" and type == "get" then -- disco requests
- local xmlns = stanza.tags[1].attr.xmlns;
- if xmlns == "http://jabber.org/protocol/disco#info" then
- origin.send(get_room_disco_info(stanza));
- elseif xmlns == "http://jabber.org/protocol/disco#items" then
- origin.send(get_room_disco_items(stanza));
- else
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- elseif stanza.name == "message" and type == "groupchat" then
- local from, to = stanza.attr.from, stanza.attr.to;
- local room = jid_bare(to);
- local current_nick = jid_nick:get(from, room);
- if not current_nick then -- not in room
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
- else
- local from = stanza.attr.from;
- stanza.attr.from = current_nick;
- local subject = getText(stanza, {"subject"});
- if subject then
- set_subject(current_nick, room, subject); -- TODO use broadcast_message_stanza
- else
- --broadcast_message(current_nick, room, nil, getText(stanza, {"body"}));
- broadcast_message_stanza(room, stanza, true);
- end
- end
- elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick
- local to = stanza.attr.to;
- local current_nick = jid_nick:get(stanza.attr.from, to);
- if current_nick then
- stanza.attr.to = current_nick;
- handle_to_occupant(origin, stanza);
- stanza.attr.to = to;
- else
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- else
- if type == "error" or type == "result" then return; end
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
-end
-
-function handle_to_domain(origin, stanza)
+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
origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
end
else
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
+ 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
-register_component(muc_domain, function(origin, stanza)
+component = register_component(muc_host, function(origin, stanza)
local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- if to_resource and not to_node then
- if type == "error" or type == "result" then return; end
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- host/resource
- elseif to_resource then
- handle_to_occupant(origin, stanza);
- elseif to_node then
- handle_to_room(origin, stanza)
- else -- to the main muc domain
- if type == "error" or type == "result" then return; end
- handle_to_domain(origin, stanza);
+ 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
+ room = muc_new_room(bare);
+ room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
+ rooms[bare] = room;
+ end
+ room:handle_stanza(origin, stanza);
+ else --[[not for us?]] end
+ return;
end
+ -- to the main muc domain
+ handle_to_domain(origin, stanza);
end);
+prosody.hosts[module:get_host()].muc = { rooms = rooms };
+
module.unload = function()
- deregister_component(muc_domain);
+ deregister_component(muc_host);
end
module.save = function()
- return {rooms = rooms.data; jid_nick = jid_nick.data; rooms_info = rooms_info.data; persist_list = persist_list};
+ return {rooms = rooms};
end
module.restore = function(data)
- rooms.data, jid_nick.data, rooms_info.data, persist_list =
- data.rooms or {}, data.jid_nick or {}, data.rooms_info or {}, data.persist_list or {};
+ rooms = data.rooms or {};
+ prosody.hosts[module:get_host()].muc = { rooms = rooms };
end
projects / prosody.git / blobdiff