diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/mod_muc.lua | 185 |
1 files changed, 157 insertions, 28 deletions
diff --git a/plugins/mod_muc.lua b/plugins/mod_muc.lua index bd36bd8f..9a559f2d 100644 --- a/plugins/mod_muc.lua +++ b/plugins/mod_muc.lua @@ -41,6 +41,29 @@ end local component; +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 @@ -93,7 +116,10 @@ function set_subject(current_nick, room, subject) if subject == "" then subject = nil; end rooms_info:set(room, 'subject', subject); save_room(); - broadcast_message(current_nick, room, subject or "", nil); + 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 @@ -144,6 +170,56 @@ function broadcast_message(from, room, subject, body) 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; @@ -151,24 +227,34 @@ function handle_to_occupant(origin, stanza) -- PM, vCards, etc 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! - 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); + 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 == to then + if current_nick then local data = rooms:get(room, to); data.role = 'none'; - broadcast_presence('unavailable', to, room); + broadcast_presence_stanza(room, pr); + --broadcast_presence('unavailable', to, room); rooms:remove(room, to); jid_nick:remove(from, room); - end -- TODO else do nothing? + end elseif not type then -- available if current_nick then if current_nick == to then -- simple presence - -- TODO broadcast + 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")); @@ -176,26 +262,36 @@ function handle_to_occupant(origin, stanza) -- PM, vCards, etc local data = rooms:get(room, current_nick); local to_nick = select(3, jid_split(to)); if to_nick then - broadcast_presence('unavailable', current_nick, room, '303', to_nick); + 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(nil, to, room, nil); + broadcast_presence_stanza(room, pr); + --broadcast_presence(nil, to, room, nil); else - --TODO: malformed-jid + --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}; + 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}; + 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); @@ -203,14 +299,18 @@ function handle_to_occupant(origin, stanza) -- PM, vCards, etc if r then for occupant, o_data in pairs(r) do if occupant ~= from then - local pres = st.presence({to=from, from=occupant}) + 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(nil, to, room); + 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 @@ -227,11 +327,31 @@ function handle_to_occupant(origin, stanza) -- PM, vCards, etc 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 + 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 - origin.send(st.error_reply(stanza, "cancel", "not-implemented", "Private stanzas not implemented")); -- TODO route private stanza + elseif stanza.name == "message" and type == "error" then + 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 message to another occupant'):up() + :tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) + :tag("item", {affiliation=data.affiliation, role=data.role}):up(); + broadcast_presence_stanza(room, pr); + rooms:remove(room, to); + jid_nick:remove(from, room); + end + else -- private stanza + local o_data = rooms:get(room, to); + if o_data then + 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); + else -- recipient not in room + origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room")); + end end end @@ -253,14 +373,26 @@ function handle_to_room(origin, stanza) -- presence changes and groupchat messag 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); + set_subject(current_nick, room, subject); -- TODO use broadcast_message_stanza else - broadcast_message(current_nick, room, nil, getText(stanza, {"body"})); - -- TODO add to discussion history + --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")); @@ -286,10 +418,7 @@ end 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 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 |