mirror of https://github.com/bjc/prosody
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
274 lines
10 KiB
274 lines
10 KiB
|
|
|
|
local register_component = require "core.componentmanager".register_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 muc_domain = "conference."..module:get_host();
|
|
local muc_name = "MUCMUCMUC!!!";
|
|
|
|
-- 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
|
|
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 component;
|
|
|
|
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")
|
|
: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();
|
|
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();
|
|
broadcast_message(current_nick, room, subject or "", nil);
|
|
return true;
|
|
end
|
|
|
|
function broadcast_presence(type, from, room, code)
|
|
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}):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
|
|
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
|
|
if type == "error" then -- error, kick em out!
|
|
local data = rooms:get(room, to);
|
|
data.role = 'none';
|
|
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);
|
|
elseif type == "unavailable" then -- unavailable
|
|
if current_nick == to then
|
|
local data = rooms:get(room, to);
|
|
data.role = 'none';
|
|
broadcast_presence('unavailable', to, room);
|
|
rooms:remove(room, to);
|
|
jid_nick:remove(from, room);
|
|
end -- TODO else do nothing?
|
|
elseif not type then -- available
|
|
if current_nick then
|
|
if current_nick == to then -- simple presence
|
|
-- TODO broadcast
|
|
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);
|
|
broadcast_presence('unavailable', current_nick, room, '303');
|
|
rooms:remove(room, current_nick);
|
|
rooms:set(room, to, data);
|
|
jid_nick:set(from, room, to);
|
|
broadcast_presence(nil, to, room);
|
|
end
|
|
end
|
|
else -- enter room
|
|
if rooms:get(room, to) 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};
|
|
end
|
|
if not data then -- new occupant
|
|
data = {affiliation='none', role='participant', jid=from};
|
|
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 = 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(nil, to, room);
|
|
-- TODO send discussion history
|
|
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 stanza.name == "message" and type == "groupchat" then
|
|
-- groupchat messages not allowed in PM
|
|
origin.send(st.error_reply(stanza, "modify", "bad-request"));
|
|
else
|
|
origin.send(st.error_reply(stanza, "cancel", "not-implemented", "Private stanzas not implemented")); -- TODO route private stanza
|
|
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 subject = getText(stanza, {"subject"});
|
|
if subject then
|
|
set_subject(current_nick, room, subject);
|
|
else
|
|
broadcast_message(current_nick, room, nil, getText(stanza, {"body"}));
|
|
-- TODO add to discussion history
|
|
end
|
|
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 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));
|
|
else
|
|
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"));
|
|
end
|
|
end
|
|
|
|
component = register_component(muc_domain, function(origin, stanza)
|
|
local to_node, to_host, to_resource = jid_split(stanza.attr.to);
|
|
if stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then
|
|
if type == "error" or type == "result" then return; end
|
|
origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME what's appropriate?
|
|
elseif 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);
|
|
end
|
|
end);
|
|
|