local select = select;
local pairs, ipairs = pairs, ipairs;
-local datamanager = require "util.datamanager";
local datetime = require "util.datetime";
local dataform = require "util.dataforms";
local jid_prep = require "util.jid".prep;
local st = require "util.stanza";
local log = require "util.logger".init("mod_muc");
-local multitable_new = require "util.multitable".new;
local t_insert, t_remove = table.insert, table.remove;
local setmetatable = setmetatable;
local base64 = require "util.encodings".base64;
local md5 = require "util.hashes".md5;
local muc_domain = nil; --module:get_host();
-local default_history_length = 20;
+local default_history_length, max_history_length = 20, math.huge;
------------
local function filter_xmlns_from_array(array, filters)
stanza = st.clone(stanza);
stanza.attr.to = "";
local stamp = datetime.datetime();
- local chars = #tostring(stanza);
stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = stamp}):up(); -- XEP-0203
stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
local entry = { stanza = stanza, stamp = stamp };
local n = 0;
local charcount = 0;
- local stanzacount = 0;
for i=#history,1,-1 do
local entry = history[i];
end
function room_mt:get_disco_info(stanza)
+ local count = 0; for _ in pairs(self._occupants) do count = count + 1; end
return st.reply(stanza):query("http://jabber.org/protocol/disco#info")
:tag("identity", {category="conference", type="text", name=self:get_name()}):up()
:tag("feature", {var="http://jabber.org/protocol/muc"}):up()
:tag("feature", {var=self._data.whois ~= "anyone" and "muc_semianonymous" or "muc_nonanonymous"}):up()
:add_child(dataform.new({
{ name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/muc#roominfo" },
- { name = "muc#roominfo_description", label = "Description"}
+ { name = "muc#roominfo_description", label = "Description"},
+ { name = "muc#roominfo_occupants", label = "Number of occupants", value = tostring(count) }
}):form({["muc#roominfo_description"] = self:get_description()}, 'result'))
;
end
function room_mt:get_changesubject()
return self._data.changesubject;
end
+function room_mt:get_historylength()
+ return self._data.history_length or default_history_length;
+end
+function room_mt:set_historylength(length)
+ length = math.min(tonumber(length) or default_history_length, max_history_length or math.huge);
+ if length == default_history_length then
+ length = nil;
+ end
+ self._data.history_length = length;
+end
+
+
+local function construct_stanza_id(room, stanza)
+ local from_jid, to_nick = stanza.attr.from, stanza.attr.to;
+ local from_nick = room._jid_nick[from_jid];
+ local occupant = room._occupants[to_nick];
+ local to_jid = occupant.jid;
+
+ return from_nick, to_jid, base64.encode(to_jid.."\0"..stanza.attr.id.."\0"..md5(from_jid));
+end
+local function deconstruct_stanza_id(room, stanza)
+ local from_jid_possiblybare, to_nick = stanza.attr.from, stanza.attr.to;
+ local from_jid, id, to_jid_hash = (base64.decode(stanza.attr.id) or ""):match("^(.+)%z(.*)%z(.+)$");
+ local from_nick = room._jid_nick[from_jid];
+
+ if not(from_nick) then return; end
+ if not(from_jid_possiblybare == from_jid or from_jid_possiblybare == jid_bare(from_jid)) then return; end
+
+ local occupant = room._occupants[to_nick];
+ for to_jid in pairs(occupant and occupant.sessions or {}) do
+ if md5(to_jid) == to_jid_hash then
+ return from_nick, to_jid, id;
+ end
+ end
+end
+
function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
local from, to = stanza.attr.from, stanza.attr.to;
elseif type == "unavailable" then -- unavailable
if current_nick then
log("debug", "%s leaving %s", current_nick, room);
+ self._jid_nick[from] = nil;
local occupant = self._occupants[current_nick];
local new_jid = next(occupant.sessions);
if new_jid == from then new_jid = next(occupant.sessions, new_jid); end
self:broadcast_presence(pr, from);
self._occupants[current_nick] = nil;
end
- self._jid_nick[from] = nil;
end
elseif not type then -- available
if current_nick then
end
end
elseif not current_nick then -- not in room
- if type == "error" or type == "result" then
- local id = stanza.name == "iq" and stanza.attr.id and base64.decode(stanza.attr.id);
- local _nick, _id, _hash = (id or ""):match("^(.+)%z(.*)%z(.+)$");
- local occupant = self._occupants[stanza.attr.to];
- if occupant and _nick and self._jid_nick[_nick] and _id and _hash then
- local id, _to = stanza.attr.id;
- for jid in pairs(occupant.sessions) do
- if md5(jid) == _hash then
- _to = jid;
- break;
- end
- end
- if _to then
- stanza.attr.to, stanza.attr.from, stanza.attr.id = _to, self._jid_nick[_nick], _id;
- self:_route_stanza(stanza);
- stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id;
- end
+ if (type == "error" or type == "result") and stanza.name == "iq" then
+ local id = stanza.attr.id;
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = deconstruct_stanza_id(self, stanza);
+ if stanza.attr.id then
+ self:_route_stanza(stanza);
end
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = from, to, id;
else
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
end
local o_data = self._occupants[to];
if o_data then
log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid);
- local jid = o_data.jid;
- local bare = jid_bare(jid);
- stanza.attr.to, stanza.attr.from = jid, current_nick;
- local id = stanza.attr.id;
- if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' and bare ~= jid then
- stanza.attr.to = bare;
- stanza.attr.id = base64.encode(jid.."\0"..id.."\0"..md5(from));
+ if stanza.name == "iq" then
+ local id = stanza.attr.id;
+ if stanza.attr.type == "get" or stanza.attr.type == "set" then
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = construct_stanza_id(self, stanza);
+ else
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = deconstruct_stanza_id(self, stanza);
+ end
+ if type == 'get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then
+ stanza.attr.to = jid_bare(stanza.attr.to);
+ end
+ if stanza.attr.id then
+ self:_route_stanza(stanza);
+ end
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = from, to, id;
+ else -- message
+ stanza.attr.from = current_nick;
+ for jid in pairs(o_data.sessions) do
+ stanza.attr.to = jid;
+ self:_route_stanza(stanza);
+ end
+ stanza.attr.from, stanza.attr.to = from, to;
end
- self:_route_stanza(stanza);
- stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id;
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
type = 'boolean',
label = 'Make Room Members-Only?',
value = self:is_members_only()
+ },
+ {
+ name = 'muc#roomconfig_historylength',
+ type = 'text-single',
+ label = 'Maximum Number of History Messages Returned by Room',
+ value = tostring(self:get_historylength())
}
});
end
dirty = dirty or (self:get_changesubject() ~= (not changesubject and true or nil))
module:log('debug', 'changesubject=%s', changesubject and "true" or "false")
+ local historylength = tonumber(fields['muc#roomconfig_historylength']);
+ dirty = dirty or (historylength and (self:get_historylength() ~= historylength));
+ module:log('debug', 'historylength=%s', historylength)
+
+
local whois = fields['muc#roomconfig_whois'];
if not valid_whois[whois] then
origin.send(st.error_reply(stanza, 'cancel', 'bad-request', "Invalid value for 'whois'"));
self:set_persistent(persistent);
self:set_hidden(not public);
self:set_changesubject(changesubject);
+ self:set_historylength(historylength);
if self.save then self:save(true); end
origin.send(st.reply(stanza));
local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
if stanza.name == "iq" then
if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then
- origin.send(self:get_disco_info(stanza));
+ if stanza.tags[1].attr.node then
+ origin.send(st.error_reply(stanza, "cancel", "feature-not-implemented"));
+ else
+ origin.send(self:get_disco_info(stanza));
+ end
elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
origin.send(self:get_disco_items(stanza));
elseif xmlns == "http://jabber.org/protocol/muc#admin" then
elseif stanza.attr.type == "set" then
local child = stanza.tags[1].tags[1];
if not child then
- origin.send(st.error_reply(stanza, "auth", "bad-request"));
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
elseif child.name == "destroy" then
local newjid = child.attr.jid;
local reason, password;
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 = self._jid_nick[from];
local occupant = self._occupants[current_nick];
if not occupant then -- not in room
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
elseif occupant.role == "visitor" then
- origin.send(st.error_reply(stanza, "cancel", "forbidden"));
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
else
local from = stanza.attr.from;
stanza.attr.from = current_nick;
self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
else
stanza.attr.from = from;
- origin.send(st.error_reply(stanza, "cancel", "forbidden"));
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
end
else
- self:broadcast_message(stanza, true);
+ self:broadcast_message(stanza, self:get_historylength() > 0);
end
stanza.attr.from = from;
end
if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then
return nil, "modify", "not-acceptable";
end
- local actor_affiliation = self:get_affiliation(actor);
- local target_affiliation = self:get_affiliation(jid);
- if target_affiliation == affiliation then -- no change, shortcut
- if callback then callback(); end
- return true;
- end
- if actor_affiliation ~= "owner" then
- if actor_affiliation ~= "admin" or target_affiliation == "owner" or target_affiliation == "admin" then
- return nil, "cancel", "not-allowed";
+ if actor ~= true then
+ local actor_affiliation = self:get_affiliation(actor);
+ local target_affiliation = self:get_affiliation(jid);
+ if target_affiliation == affiliation then -- no change, shortcut
+ if callback then callback(); end
+ return true;
end
- elseif target_affiliation == "owner" and jid_bare(actor) == jid then -- self change
- local is_last = true;
- for j, aff in pairs(self._affiliations) do if j ~= jid and aff == "owner" then is_last = false; break; end end
- if is_last then
- return nil, "cancel", "conflict";
+ if actor_affiliation ~= "owner" then
+ if actor_affiliation ~= "admin" or target_affiliation == "owner" or target_affiliation == "admin" then
+ return nil, "cancel", "not-allowed";
+ end
+ elseif target_affiliation == "owner" and jid_bare(actor) == jid then -- self change
+ local is_last = true;
+ for j, aff in pairs(self._affiliations) do if j ~= jid and aff == "owner" then is_last = false; break; end end
+ if is_last then
+ return nil, "cancel", "conflict";
+ end
end
end
self._affiliations[jid] = affiliation;
_occupants = {};
_data = {
whois = 'moderators';
- history_length = (config and config.history_length);
+ history_length = math.min((config and config.history_length)
+ or default_history_length, max_history_length);
};
_affiliations = {};
}, room_mt);
end
+function _M.set_max_history_length(_max_history_length)
+ max_history_length = _max_history_length or math.huge;
+end
+
+_M.room_mt = room_mt;
+
return _M;