-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
local jid_split = require "util.jid".split;
local jid_bare = require "util.jid".bare;
+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 history_length = 20;
end
local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true};
local function get_filtered_presence(stanza)
- return filter_xmlns_from_stanza(st.clone(stanza), presence_filters);
+ return filter_xmlns_from_stanza(st.clone(stanza):reset(), presence_filters);
end
local kickable_error_conditions = {
["gone"] = true;
["remote-server-not-found"] = true;
["remote-server-timeout"] = true;
["service-unavailable"] = true;
+ ["malformed error"] = true;
};
-local function get_kickable_error(stanza)
- for _, tag in ipairs(stanza.tags) do
- if tag.name == "error" and tag.attr.xmlns == "jabber:client" then
- for _, cond in ipairs(tag.tags) do
- if cond.attr.xmlns == "urn:ietf:params:xml:ns:xmpp-stanzas" then
- return kickable_error_conditions[cond.name] and cond.name;
- end
- end
- return true; -- malformed error message
- end
- end
- return true; -- malformed error message
+
+local function get_error_condition(stanza)
+ local _, condition = stanza:get_error();
+ return condition or "malformed error";
+end
+
+local function is_kickable_error(stanza)
+ local cond = get_error_condition(stanza);
+ return kickable_error_conditions[cond] and cond;
end
local function getUsingPath(stanza, path, getText)
local tag = stanza;
local function getText(stanza, path) return getUsingPath(stanza, path, true); end
-----------
---[[function get_room_disco_info(room, stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
- :tag("identity", {category='conference', type='text', name=room._data["name"]):up()
- :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
-end
-function get_room_disco_items(room, stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
-end -- TODO allow non-private rooms]]
-
---
-
local room_mt = {};
room_mt.__index = room_mt;
end
end
-function room_mt:broadcast_presence(stanza, code, nick)
+function room_mt:broadcast_presence(stanza, sid, code, nick)
stanza = get_filtered_presence(stanza);
- local data = self._occupants[stanza.attr.from];
+ local occupant = self._occupants[stanza.attr.from];
stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=data.affiliation, role=data.role, nick=nick}):up();
+ :tag("item", {affiliation=occupant.affiliation or "none", role=occupant.role or "none", nick=nick}):up();
if code then
stanza:tag("status", {code=code}):up();
end
- local me;
- for occupant, o_data in pairs(self._occupants) do
- if occupant ~= stanza.attr.from then
- for jid in pairs(o_data.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
- else
- me = o_data;
- end
- end
+ self:broadcast_except_nick(stanza, stanza.attr.from);
+ local me = self._occupants[stanza.attr.from];
if me then
stanza:tag("status", {code='110'});
- for jid in pairs(me.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
+ stanza.attr.to = sid;
+ self:_route_stanza(stanza);
end
end
function room_mt:broadcast_message(stanza, historic)
+ local to = stanza.attr.to;
for occupant, o_data in pairs(self._occupants) do
for jid in pairs(o_data.sessions) do
stanza.attr.to = jid;
- self:route_stanza(stanza);
+ self:_route_stanza(stanza);
end
end
+ stanza.attr.to = to;
if historic then -- add to history
local history = self._data['history'];
if not history then history = {}; self._data['history'] = history; end
- -- stanza = st.clone(stanza);
+ stanza = st.clone(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.clone(st.preserialize(stanza)));
+ t_insert(history, st.preserialize(stanza));
while #history > history_length do t_remove(history, 1) end
end
end
if rnick ~= nick then
for jid in pairs(occupant.sessions) do
stanza.attr.to = jid;
- self:route_stanza(stanza);
+ self:_route_stanza(stanza);
end
end
end
local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
pres.attr.to, pres.attr.from = to, occupant;
pres:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up();
- self:route_stanza(pres);
+ :tag("item", {affiliation=o_data.affiliation or "none", role=o_data.role or "none"}):up();
+ self:_route_stanza(pres);
end
end
end
for _, msg in ipairs(history) do
msg = st.deserialize(msg);
msg.attr.to=to;
- self:route_stanza(msg);
+ self:_route_stanza(msg);
end
end
if self._data['subject'] then
- self:route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject']));
+ self:_route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject']));
end
end
-local function room_get_disco_info(self, stanza)
- return st.reply(stanza):query("http://jabber.org/protocol/disco#info"):tag("identity", {category="conference", type="text"});
+function room_mt:get_disco_info(stanza)
+ return st.reply(stanza):query("http://jabber.org/protocol/disco#info")
+ :tag("identity", {category="conference", type="text"}):up()
+ :tag("feature", {var="http://jabber.org/protocol/muc"});
end
-local function room_get_disco_items(self, stanza)
- return st.reply(stanza):query("http://jabber.org/protocol/disco#items");
+function room_mt:get_disco_items(stanza)
+ local reply = st.reply(stanza):query("http://jabber.org/protocol/disco#items");
+ for room_jid in pairs(self._occupants) do
+ reply:tag("item", {jid = room_jid, name = room_jid:match("/(.*)")}):up();
+ end
+ return reply;
end
function room_mt:set_subject(current_nick, subject)
-- TODO check nick's authority
return true;
end
+local function build_unavailable_presence_from_error(stanza)
+ local type, condition, text = stanza:get_error();
+ local error_message = "Kicked: "..condition:gsub("%-", " ");
+ if text then
+ error_message = error_message..": "..text;
+ end
+ return st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
+ :tag('status'):text(error_message);
+end
+
function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
local from, to = stanza.attr.from, stanza.attr.to;
local room = jid_bare(to);
if type == "error" then -- error, kick em out!
if current_nick then
log("debug", "kicking %s from %s", current_nick, room);
- self: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
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza));
end
elseif type == "unavailable" then -- unavailable
if current_nick then
log("debug", "%s leaving %s", current_nick, room);
- local data = self._occupants[current_nick];
- data.role = 'none';
- self:broadcast_presence(pr);
- self._occupants[current_nick] = 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
+ if new_jid then
+ local jid = occupant.jid;
+ occupant.jid = new_jid;
+ occupant.sessions[from] = nil;
+ 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'});
+ self:_route_stanza(pr);
+ if jid ~= new_jid then
+ pr = st.clone(occupant.sessions[new_jid])
+ :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=occupant.affiliation or "none", role=occupant.role or "none"});
+ pr.attr.from = current_nick;
+ self:broadcast_except_nick(pr, current_nick);
+ end
+ else
+ occupant.role = 'none';
+ 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 == to then -- simple presence
log("debug", "%s broadcasted presence", current_nick);
self._occupants[current_nick].sessions[from] = pr;
- self:broadcast_presence(pr);
+ self:broadcast_presence(pr, from);
else -- change nick
- if self._occupants[to] then
+ local occupant = self._occupants[current_nick];
+ local is_multisession = next(occupant.sessions, next(occupant.sessions));
+ if self._occupants[to] or is_multisession then
log("debug", "%s couldn't change nick", current_nick);
- origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ local reply = st.error_reply(stanza, "cancel", "conflict"):up();
+ reply.tags[1].attr.code = "409";
+ origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
else
local data = self._occupants[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});
- self:broadcast_presence(p, '303', to_nick);
+ self:broadcast_presence(p, from, '303', to_nick);
self._occupants[current_nick] = nil;
self._occupants[to] = data;
self._jid_nick[from] = to;
pr.attr.from = to;
self._occupants[to].sessions[from] = pr;
- self:broadcast_presence(pr);
+ self:broadcast_presence(pr, from);
else
--TODO malformed-jid
end
--end
else -- enter room
local new_nick = to;
+ local is_merge;
if self._occupants[to] then
- new_nick = nil;
+ if jid_bare(from) ~= jid_bare(self._occupants[to].jid) then
+ new_nick = nil;
+ end
+ is_merge = true;
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"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ local reply = st.error_reply(stanza, "cancel", "conflict"):up();
+ reply.tags[1].attr.code = "409";
+ origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
else
log("debug", "%s joining as %s", from, to);
if not next(self._affiliations) then -- new room, no owners
local affiliation = self:get_affiliation(from);
local role = self:get_default_role(affiliation)
if role then -- new occupant
- self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}};
+ if not is_merge then
+ self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}};
+ else
+ self._occupants[to].sessions[from] = get_filtered_presence(stanza);
+ end
self._jid_nick[from] = to;
self:send_occupant_list(from);
pr.attr.from = to;
- self:broadcast_presence(pr);
+ if not is_merge then
+ self:broadcast_presence(pr, from);
+ else
+ pr.attr.to = from;
+ self:_route_stanza(pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up()
+ :tag("status", {code='110'}));
+ end
self:send_history(from);
else -- banned
- origin.send(st.error_reply(stanza, "auth", "forbidden"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ local reply = st.error_reply(stanza, "auth", "forbidden"):up();
+ reply.tags[1].attr.code = "403";
+ origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
end
end
end
elseif type ~= 'result' then -- bad type
- origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
+ if type ~= 'visible' and type ~= 'invisible' then -- COMPAT ejabberd can broadcast or forward XEP-0018 presences
+ origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
+ 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
+ end
+ else
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
end
- elseif not current_nick and type ~= "error" and type ~= "result" 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);
- self: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
+ elseif current_nick and stanza.name == "message" and type == "error" and is_kickable_error(stanza) then
+ log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza)); -- send unavailable
else -- private stanza
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;
- -- TODO if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end
+ local bare = jid_bare(jid);
stanza.attr.to, stanza.attr.from = jid, current_nick;
- self:route_stanza(stanza);
+ 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));
+ 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
end
-function room_mt:handle_form(origin, stanza)
- if self:get_affiliation(stanza.attr.from) ~= "owner" then origin.send(st.error_reply(stanza, "auth", "forbidden")); return; end
- if stanza.attr.type == "get" then
- local title = "Configuration for "..self.jid;
- origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner")
- :tag("x", {xmlns='jabber:x:data', type='form'})
- :tag("title"):text(title):up()
- :tag("instructions"):text(title):up()
- :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up()
- :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'})
- :tag("value"):text(self._data.persistent and "1" or "0"):up()
+function room_mt:send_form(origin, stanza)
+ local title = "Configuration for "..self.jid;
+ origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner")
+ :tag("x", {xmlns='jabber:x:data', type='form'})
+ :tag("title"):text(title):up()
+ :tag("instructions"):text(title):up()
+ :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up()
+ :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'})
+ :tag("value"):text(self._data.persistent and "1" or "0"):up()
+ :up()
+ :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'})
+ :tag("value"):text(self._data.hidden and "0" or "1"):up()
+ :up()
+ :tag("field", {type='list-single', label='Who May Discover Real JIDs?', var='muc#roomconfig_whois'})
+ :tag("value"):text(self._data.whois or 'moderators'):up()
+ :tag("option", {label = 'Moderators Only'})
+ :tag("value"):text('moderators'):up()
:up()
- :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'})
- :tag("value"):text(self._data.hidden and "0" or "1"):up()
+ :tag("option", {label = 'Anyone'})
+ :tag("value"):text('anyone'):up()
:up()
- );
- elseif stanza.attr.type == "set" then
- local query = stanza.tags[1];
- local form;
- for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end
- if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end
- if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end
- if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- local fields = {};
- for _, field in pairs(form.tags) do
- if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then
- fields[field.attr.var] = field.tags[1][1] or "";
- end
+ :up()
+ );
+end
+
+local valid_whois = {
+ moderators = true,
+ anyone = true,
+}
+
+function room_mt:process_form(origin, stanza)
+ local query = stanza.tags[1];
+ local form;
+ for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end
+ if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end
+ if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end
+ if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
+ local fields = {};
+ for _, field in pairs(form.tags) do
+ if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then
+ fields[field.attr.var] = field.tags[1][1] or "";
end
- if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
+ end
+ if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
+
+ local dirty = false
- local persistent = fields['muc#roomconfig_persistentroom'];
- if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true;
- else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- self._data.persistent = persistent;
- module:log("debug", "persistent=%s", tostring(persistent));
+ local persistent = fields['muc#roomconfig_persistentroom'];
+ if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true;
+ else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
+ dirty = dirty or (self._data.persistent ~= persistent)
+ self._data.persistent = persistent;
+ module:log("debug", "persistent=%s", tostring(persistent));
- local public = fields['muc#roomconfig_publicroom'];
- if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true;
- else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- self._data.hidden = not public and true or nil;
+ local public = fields['muc#roomconfig_publicroom'];
+ if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true;
+ else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
+ dirty = dirty or (self._data.hidden ~= (not public and true or nil))
+ self._data.hidden = not public and true or nil;
- if self.save then self:save(true); end
- origin.send(st.reply(stanza));
+ local whois = fields['muc#roomconfig_whois'];
+ if not valid_whois[whois] then
+ origin.send(st.error_reply(stanza, 'cancel', 'bad-request'));
+ return;
+ end
+ local whois_changed = self._data.whois ~= whois
+ self._data.whois = whois
+ module:log('debug', 'whois=%s', tostring(whois))
+
+ if self.save then self:save(true); end
+ origin.send(st.reply(stanza));
+
+ if dirty or whois_changed then
+ local msg = st.message({type='groupchat', from=self.jid})
+ :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}):up()
+
+ if dirty then
+ msg.tags[1]:tag('status', {code = '104'})
+ end
+ if whois_changed then
+ local code = (whois == 'moderators') and 173 or 172
+ msg.tags[1]:tag('status', {code = code})
+ end
+
+ self:broadcast_message(msg, false)
end
end
+function room_mt:destroy(newjid, reason, password)
+ local pr = st.presence({type = "unavailable"})
+ :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
+ :tag("item", { affiliation='none', role='none' }):up()
+ :tag("destroy", {jid=newjid})
+ if reason then pr:tag("reason"):text(reason):up(); end
+ if password then pr:tag("password"):text(password):up(); end
+ for nick, occupant in pairs(self._occupants) do
+ pr.attr.from = nick;
+ for jid in pairs(occupant.sessions) do
+ pr.attr.to = jid;
+ self:_route_stanza(pr);
+ self._jid_nick[jid] = nil;
+ end
+ self._occupants[nick] = nil;
+ end
+ self._data.persistent = nil;
+ if self.save then self:save(true); end
+end
+
function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc
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
- origin.send(room_get_disco_info(self, stanza));
+ origin.send(self:get_disco_info(stanza));
elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
- origin.send(room_get_disco_items(self, stanza));
+ origin.send(self:get_disco_items(stanza));
elseif xmlns == "http://jabber.org/protocol/muc#admin" then
local actor = stanza.attr.from;
local affiliation = self:get_affiliation(actor);
if item and item.name == "item" then
if type == "set" then
local callback = function() origin.send(st.reply(stanza)); end
+ if item.attr.jid then -- Validate provided JID
+ item.attr.jid = jid_prep(item.attr.jid);
+ if not item.attr.jid then
+ origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
+ return;
+ end
+ end
if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation
local occupant = self._occupants[self.jid.."/"..item.attr.nick];
if occupant then item.attr.jid = occupant.jid; end
+ elseif not item.attr.nick and item.attr.jid then
+ local nick = self._jid_nick[item.attr.jid];
+ if nick then item.attr.nick = select(3, jid_split(nick)); end
end
+ local reason = item.tags[1] and item.tags[1].name == "reason" and #item.tags[1] == 1 and item.tags[1][1];
if item.attr.affiliation and item.attr.jid and not item.attr.role then
- local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback);
+ local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback, reason);
if not success then origin.send(st.error_reply(stanza, errtype, err)); end
elseif item.attr.role and item.attr.nick and not item.attr.affiliation then
- local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback);
+ local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback, reason);
if not success then origin.send(st.error_reply(stanza, errtype, err)); end
else
origin.send(st.error_reply(stanza, "cancel", "bad-request"));
-- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway?
if _rol == "none" then _rol = nil; end
local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin");
- for nick, occupant in pairs(self._occupants) do
+ for occupant_jid, occupant in pairs(self._occupants) do
if occupant.role == _rol then
- reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up();
+ reply:tag("item", {
+ nick = select(3, jid_split(occupant_jid)),
+ role = _rol or "none",
+ affiliation = occupant.affiliation or "none",
+ jid = occupant.jid
+ }):up();
end
end
origin.send(reply);
origin.send(st.error_reply(stanza, "cancel", "bad-request"));
end
elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then
- self:handle_form(origin, stanza);
+ if self:get_affiliation(stanza.attr.from) ~= "owner" then
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ 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"));
+ elseif child.name == "destroy" then
+ local newjid = child.attr.jid;
+ local reason, password;
+ for _,tag in ipairs(child.tags) do
+ if tag.name == "reason" then
+ reason = #tag.tags == 0 and tag[1];
+ elseif tag.name == "password" then
+ password = #tag.tags == 0 and tag[1];
+ end
+ end
+ self:destroy(newjid, reason, password);
+ origin.send(st.reply(stanza));
+ else
+ self:process_form(origin, stanza);
+ end
+ end
elseif type == "set" or type == "get" then
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end
local from, to = stanza.attr.from, stanza.attr.to;
local room = jid_bare(to);
local current_nick = self._jid_nick[from];
- if not current_nick then -- not in room
+ 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"));
else
local from = stanza.attr.from;
stanza.attr.from = current_nick;
local subject = getText(stanza, {"subject"});
if subject then
- self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
+ if occupant.role == "moderator" then
+ self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
+ else
+ stanza.attr.from = from;
+ origin.send(st.error_reply(stanza, "cancel", "forbidden"));
+ end
else
self:broadcast_message(stanza, true);
end
+ stanza.attr.from = from;
end
+ elseif stanza.name == "message" and type == "error" and is_kickable_error(stanza) then
+ local current_nick = self._jid_nick[stanza.attr.from];
+ log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza)); -- send unavailable
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 = self._jid_nick[stanza.attr.from];
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" 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;
- self:route_stanza(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;
+ 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
+ local _from, _to = stanza.attr.from, stanza.attr.to;
+ local _invitee = jid_prep(payload.attr.to);
+ if _invitee then
+ local _reason = payload.tags[1] and payload.tags[1].name == 'reason' and #payload.tags[1].tags == 0 and payload.tags[1][1];
+ local invite = st.message({from = _to, to = _invitee, id = stanza.attr.id})
+ :tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag('invite', {from=_from})
+ :tag('reason'):text(_reason or ""):up()
+ :up()
+ :up()
+ :tag('x', {xmlns="jabber:x:conference", jid=_to}) -- COMPAT: Some older clients expect this
+ :text(_reason or "")
+ :up()
+ :tag('body') -- Add a plain message for clients which don't support invites
+ :text(_from..' invited you to the room '.._to..(_reason and (' ('.._reason..')') or ""))
+ :up();
+ self:_route_stanza(invite);
+ else
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ end
+ else
+ origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ end
else
if type == "error" or type == "result" then return; end
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned
return result;
end
-function room_mt:set_affiliation(actor, jid, affiliation, callback)
+function room_mt:set_affiliation(actor, jid, affiliation, callback, reason)
jid = jid_bare(jid);
if affiliation == "none" then affiliation = nil; end
if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then
local role = self:get_default_role(affiliation);
local p = st.presence()
:tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
- :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up();
+ :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];
if not role then -- getting kicked
for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
if not role then self._jid_nick[jid] = nil; end
p.attr.to = jid;
- self:route_stanza(p);
+ self:_route_stanza(p);
end
end
end
local session = self._occupants[nick];
return session and session.role or nil;
end
-function room_mt:set_role(actor, nick, role, callback)
+function room_mt:set_role(actor, occupant_jid, role, callback, reason)
if role == "none" then role = nil; end
if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end
if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end
- local occupant = self._occupants[nick];
+ local occupant = self._occupants[occupant_jid];
if not occupant then return nil, "modify", "not-acceptable"; end
if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end
- local p = st.presence({from = nick})
+ local p = st.presence({from = occupant_jid})
:tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
- :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up();
+ :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();
if not role then -- kick
p.attr.type = "unavailable";
- self._occupants[nick] = nil;
+ 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
end
for jid in pairs(occupant.sessions) do -- send to all sessions of the nick
p.attr.to = jid;
- self:route_stanza(p);
+ self:_route_stanza(p);
end
if callback then callback(); end
- self:broadcast_except_nick(p, nick);
+ self:broadcast_except_nick(p, occupant_jid);
return true;
end
+function room_mt:_route_stanza(stanza)
+ local muc_child;
+ local to_occupant = self._occupants[self._jid_nick[stanza.attr.to]];
+ local from_occupant = self._occupants[stanza.attr.from];
+ if stanza.name == "presence" then
+ if to_occupant and from_occupant then
+ if self._data.whois == 'anyone' then
+ muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
+ else
+ if to_occupant.role == "moderator" or jid_bare(to_occupant.jid) == jid_bare(from_occupant.jid) then
+ muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
+ end
+ end
+ end
+ end
+ if muc_child then
+ for _, item in pairs(muc_child.tags) do
+ if item.name == "item" then
+ if from_occupant == to_occupant then
+ item.attr.jid = stanza.attr.to;
+ else
+ item.attr.jid = from_occupant.jid;
+ end
+ end
+ end
+ if self._data.whois == 'anyone' then
+ muc_child:tag('status', { code = '100' });
+ end
+ end
+ self:route_stanza(stanza);
+ if muc_child then
+ for _, item in pairs(muc_child.tags) do
+ if item.name == "item" then
+ item.attr.jid = nil;
+ end
+ end
+ end
+end
+
local _M = {}; -- module "muc"
function _M.new_room(jid)
jid = jid;
_jid_nick = {};
_occupants = {};
- _data = {};
+ _data = {
+ whois = 'moderators',
+ };
_affiliations = {};
}, room_mt);
end