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)
local room_mt = {};
room_mt.__index = room_mt;
+function room_mt:__tostring()
+ return "MUC room ("..self.jid..")";
+end
+
function room_mt:get_default_role(affiliation)
if affiliation == "owner" or affiliation == "admin" then
return "moderator";
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:is_hidden()
return self._data.hidden;
end
+function room_mt:set_changesubject(changesubject)
+ changesubject = changesubject and true or nil;
+ if self._data.changesubject ~= changesubject then
+ self._data.changesubject = changesubject;
+ if self.save then self:save(true); end
+ end
+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(.+)$");
+ local from_nick = room._jid_nick[from_jid];
+
+ if not(from_nick) then return; end
+ if not(from_jid_possiblybare == from_jid or from_jid_possiblybare == jid_bare(from_jid)) then return; end
+
+ local occupant = room._occupants[to_nick];
+ for to_jid in pairs(occupant and occupant.sessions or {}) do
+ if md5(to_jid) == to_jid_hash then
+ return from_nick, to_jid, id;
+ end
+ end
+end
+
function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
local from, to = stanza.attr.from, stanza.attr.to;
elseif type == "unavailable" then -- unavailable
if current_nick then
log("debug", "%s leaving %s", current_nick, room);
+ self._jid_nick[from] = nil;
local occupant = self._occupants[current_nick];
local new_jid = next(occupant.sessions);
if new_jid == from then new_jid = next(occupant.sessions, new_jid); end
pr.attr.to = from;
pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
:tag("item", {affiliation=occupant.affiliation or "none", role='none'}):up()
- :tag("status", {code='110'});
+ :tag("status", {code='110'}):up();
self:_route_stanza(pr);
if jid ~= new_jid then
pr = st.clone(occupant.sessions[new_jid])
self:broadcast_presence(pr, from);
self._occupants[current_nick] = nil;
end
- self._jid_nick[from] = nil;
end
elseif not type then -- available
if current_nick then
if not is_merge then
self:broadcast_except_nick(pr, to);
end
- pr:tag("status", {code='110'});
+ pr:tag("status", {code='110'}):up();
if self._data.whois == 'anyone' then
pr:tag("status", {code='100'}):up();
end
end
end
elseif not current_nick then -- not in room
- if type == "error" or type == "result" then
- local id = stanza.name == "iq" and stanza.attr.id and base64.decode(stanza.attr.id);
- local _nick, _id, _hash = (id or ""):match("^(.+)%z(.*)%z(.+)$");
- 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
- else
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = from, to, id;
+ elseif type ~= "error" then
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
end
elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM
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
end
function room_mt:get_form_layout()
- local title = "Configuration for "..self.jid;
- return dataform.new({
- title = title,
- instructions = title,
+ local form = dataform.new({
+ title = "Configuration for "..self.jid,
+ instructions = "Complete and submit this form to configure the room.",
{
name = 'FORM_TYPE',
type = 'hidden',
label = 'Make Room Publicly Searchable?',
value = not self:is_hidden()
},
+ {
+ name = 'muc#roomconfig_changesubject',
+ type = 'boolean',
+ label = 'Allow Occupants to Change Subject?',
+ value = self:get_changesubject()
+ },
{
name = 'muc#roomconfig_whois',
type = 'list-single',
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())
}
});
+ return module:fire_event("muc-config-form", { room = self, form = form }) or form;
end
local valid_whois = {
local dirty = false
+ local event = { room = self, fields = fields, changed = dirty };
+ module:fire_event("muc-config-submitted", event);
+ dirty = event.changed or dirty;
+
local name = fields['muc#roomconfig_roomname'];
if name ~= self:get_name() then
self:set_name(name);
local public = fields['muc#roomconfig_publicroom'];
dirty = dirty or (self:is_hidden() ~= (not public and true or nil))
+ local changesubject = fields['muc#roomconfig_changesubject'];
+ 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_members_only(membersonly);
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 type = stanza.attr.type;
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
+ if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" and not stanza.tags[1].attr.node then
origin.send(self:get_disco_info(stanza));
- elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
+ elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" and not stanza.tags[1].attr.node then
origin.send(self:get_disco_items(stanza));
elseif xmlns == "http://jabber.org/protocol/muc#admin" then
local actor = stanza.attr.from;
end
elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then
if self:get_affiliation(stanza.attr.from) ~= "owner" then
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms"));
elseif stanza.attr.type == "get" then
self:send_form(origin, stanza);
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;
local subject = getText(stanza, {"subject"});
if subject then
- if occupant.role == "moderator" then
+ if occupant.role == "moderator" or
+ ( self._data.changesubject and occupant.role == "participant" ) then -- and participant
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 and stanza:get_child("body"));
end
stanza.attr.from = from;
end
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 self._jid_nick[stanza.attr.from]
- and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" then
+ elseif stanza.name == "message" and not(type == "chat" or type == "error" or type == "groupchat" or type == "headline") and #stanza.tags == 1
+ and self._jid_nick[stanza.attr.from] and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" then
local x = stanza.tags[1];
local payload = (#x.tags == 1 and x.tags[1]);
if payload and payload.name == "invite" and payload.attr.to then
if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then
return nil, "modify", "not-acceptable";
end
- if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end
- if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end
+ 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
+ if actor_affiliation ~= "owner" then
+ if affiliation == "owner" or affiliation == "admin" or 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;
local role = self:get_default_role(affiliation);
- local p = st.presence()
- :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
+ local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"})
:tag("item", {affiliation=affiliation or "none", role=role or "none"})
:tag("reason"):text(reason or ""):up()
:up();
- local x = p.tags[1];
- local item = x.tags[1];
+ local presence_type = nil;
if not role then -- getting kicked
- p.attr.type = "unavailable";
+ presence_type = "unavailable";
if affiliation == "outcast" then
x:tag("status", {code="301"}):up(); -- banned
else
local modified_nicks = {};
for nick, occupant in pairs(self._occupants) do
if jid_bare(occupant.jid) == jid then
- t_insert(modified_nicks, nick);
if not role then -- getting kicked
self._occupants[nick] = nil;
else
occupant.affiliation, occupant.role = affiliation, role;
end
- p.attr.from = nick;
- for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
+ for jid,pres in pairs(occupant.sessions) do -- remove for all sessions of the nick
if not role then self._jid_nick[jid] = nil; end
+ local p = st.clone(pres);
+ p.attr.from = nick;
+ p.attr.type = presence_type;
p.attr.to = jid;
+ p:add_child(x);
self:_route_stanza(p);
+ if occupant.jid == jid then
+ modified_nicks[nick] = p;
+ end
end
end
end
if self.save then self:save(); end
if callback then callback(); end
- for _, nick in ipairs(modified_nicks) do
+ for nick,p in pairs(modified_nicks) do
p.attr.from = nick;
self:broadcast_except_nick(p, nick);
end
return session and session.role or nil;
end
function room_mt:can_set_role(actor_jid, occupant_jid, role)
- local actor = self._occupants[self._jid_nick[actor_jid]];
local occupant = self._occupants[occupant_jid];
-
if not occupant or not actor then return nil, "modify", "not-acceptable"; end
+ if actor_jid == true then return true; end
+
+ local actor = self._occupants[self._jid_nick[actor_jid]];
if actor.role == "moderator" then
if occupant.affiliation ~= "owner" and occupant.affiliation ~= "admin" then
if actor.affiliation == "owner" or actor.affiliation == "admin" then
local allowed, err_type, err_condition = self:can_set_role(actor, occupant_jid, role);
if not allowed then return allowed, err_type, err_condition; end
local occupant = self._occupants[occupant_jid];
- local p = st.presence({from = occupant_jid})
- :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
+ local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"})
:tag("item", {affiliation=occupant.affiliation or "none", nick=select(3, jid_split(occupant_jid)), role=role or "none"})
:tag("reason"):text(reason or ""):up()
:up();
+ local presence_type = nil;
if not role then -- kick
- p.attr.type = "unavailable";
+ presence_type = "unavailable";
self._occupants[occupant_jid] = nil;
for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
self._jid_nick[jid] = nil;
end
- p:tag("status", {code = "307"}):up();
+ x:tag("status", {code = "307"}):up();
else
occupant.role = role;
end
- for jid in pairs(occupant.sessions) do -- send to all sessions of the nick
+ local bp;
+ for jid,pres in pairs(occupant.sessions) do -- send to all sessions of the nick
+ local p = st.clone(pres);
+ p.attr.from = occupant_jid;
+ p.attr.type = presence_type;
p.attr.to = jid;
+ p:add_child(x);
self:_route_stanza(p);
+ if occupant.jid == jid then
+ bp = p;
+ end
end
if callback then callback(); end
- self:broadcast_except_nick(p, occupant_jid);
+ if bp then
+ self:broadcast_except_nick(bp, occupant_jid);
+ end
return true;
end
_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;
projects / prosody.git / blobdiff