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-rw-r--r--plugins/mod_muc.lua185
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