-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)