-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;
- log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag());
- if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end
- if stanza.name == "presence" then
- local pr = get_filtered_presence(stanza);
- pr.attr.from = current_nick;
- if type == "error" then -- error, kick em out!
- if current_nick then
- log("debug", "kicking %s from %s", current_nick, room);
- handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}):tag('status'):text('This participant is kicked from the room because he sent an error presence')); -- send unavailable
- end
- elseif type == "unavailable" then -- unavailable
- if current_nick then
- log("debug", "%s leaving %s", current_nick, room);
- local data = rooms:get(room, current_nick);
- data.role = 'none';
- broadcast_presence_stanza(room, pr);
- rooms:remove(room, current_nick);
- jid_nick:remove(from, room);
- end
- elseif not type then -- available
- if current_nick then
- if #pr == #stanza or current_nick ~= to then
- if current_nick == to then -- simple presence
- log("debug", "%s broadcasted presence", current_nick);
- rooms:get(room, current_nick).sessions[from] = pr;
- broadcast_presence_stanza(room, pr);
- else -- change nick
- if rooms:get(room, to) then
- log("debug", "%s couldn't change nick", current_nick);
- 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
- log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to);
- local p = st.presence({type='unavailable', from=current_nick});
- broadcast_presence_stanza(room, p, '303', to_nick);
- rooms:remove(room, current_nick);
- rooms:set(room, to, data);
- jid_nick:set(from, room, to);
- pr.attr.from = to;
- rooms:get(room, to).sessions[from] = pr;
- broadcast_presence_stanza(room, pr);
- else
- --TODO malformed-jid
- end
- end
- end
- else -- possible rejoin
- log("debug", "%s had connection replaced", current_nick);
- handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}):tag('status'):text('Replaced by new connection'):up()); -- send unavailable
- handle_to_occupant(origin, stanza); -- resend available
- end
- else -- enter room
- local new_nick = to;
- if rooms:get(room, to) then
- new_nick = nil;
- end
- if not new_nick then
- log("debug", "%s couldn't join due to nick conflict: %s", from, to);
- origin.send(st.error_reply(stanza, "cancel", "conflict"));
- else
- log("debug", "%s joining as %s", from, to);
- local data;
- if not rooms:get(room) and not rooms_info:get(room) then -- new room
- rooms_info:set(room, 'name', (jid_split(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 ~= to then
- local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
- pres.attr.to, pres.attr.from = from, occupant;
- pres: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
- pr.attr.from = to;
- broadcast_presence_stanza(room, pr);
- 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 and type ~= "error" 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"));
- elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then
- log("debug", "%s kicked from %s for sending an error message", current_nick, room);
- handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}):tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant')); -- send unavailable
- else -- private stanza
- local o_data = rooms:get(room, to);
- if o_data then
- log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid);
- local jid = o_data.jid;
- if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end
- stanza.attr.to, stanza.attr.from = jid, current_nick;
- core_route_stanza(component, stanza);
- elseif type ~= "error" and type ~= "result" then -- 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_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;
- elseif type ~= "error" and type ~= "result" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and jid_nick:get(stanza.attr.from, stanza.attr.to)
- and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1
- and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then
- local _from, _to = stanza.attr.from, stanza.attr.to;
- local _invitee = stanza.tags[1].tags[1].attr.to;
- stanza.attr.from, stanza.attr.to = _to, _invitee;
- stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil;
- core_route_stanza(component, stanza);
- stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee;
- stanza.attr.from, stanza.attr.to = _from, _to;
- 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)