-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
+-- Copyright (C) 2014 Daurnimator
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
local base64 = require "util.encodings".base64;
local md5 = require "util.hashes".md5;
-local muc_domain = nil; --module:get_host();
local default_history_length, max_history_length = 20, math.huge;
-------------
-local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true};
-local function presence_filter(tag)
- if presence_filters[tag.attr.xmlns] then
- return nil;
+local get_filtered_presence do
+ local presence_filters = {
+ ["http://jabber.org/protocol/muc"] = true;
+ ["http://jabber.org/protocol/muc#user"] = true;
+ }
+ local function presence_filter(tag)
+ if presence_filters[tag.attr.xmlns] then
+ return nil;
+ end
+ return tag;
+ end
+ function get_filtered_presence(stanza)
+ return st.clone(stanza):maptags(presence_filter);
end
- return tag;
-end
-
-local function get_filtered_presence(stanza)
- return st.clone(stanza):maptags(presence_filter);
-end
-local kickable_error_conditions = {
- ["gone"] = true;
- ["internal-server-error"] = true;
- ["item-not-found"] = true;
- ["jid-malformed"] = true;
- ["recipient-unavailable"] = true;
- ["redirect"] = true;
- ["remote-server-not-found"] = true;
- ["remote-server-timeout"] = true;
- ["service-unavailable"] = true;
- ["malformed error"] = true;
-};
-
-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;
+local is_kickable_error do
+ local kickable_error_conditions = {
+ ["gone"] = true;
+ ["internal-server-error"] = true;
+ ["item-not-found"] = true;
+ ["jid-malformed"] = true;
+ ["recipient-unavailable"] = true;
+ ["redirect"] = true;
+ ["remote-server-not-found"] = true;
+ ["remote-server-timeout"] = true;
+ ["service-unavailable"] = true;
+ ["malformed error"] = true;
+ };
+ function is_kickable_error(stanza)
+ local cond = select(2, stanza:get_error()) or "malformed error";
+ return kickable_error_conditions[cond];
+ end
end
------------
local room_mt = {};
room_mt.__index = room_mt;
return "MUC room ("..self.jid..")";
end
+function room_mt:get_occupant_jid(real_jid)
+ return self._jid_nick[real_jid]
+end
+
function room_mt:get_default_role(affiliation)
if affiliation == "owner" or affiliation == "admin" then
return "moderator";
end
end
+function room_mt:lock()
+ self.locked = true
+end
+function room_mt:unlock()
+ module:fire_event("muc-room-unlocked", { room = self });
+ self.locked = nil
+end
+function room_mt:is_locked()
+ return not not self.locked
+end
+
+function room_mt:route_to_occupant(o_data, stanza)
+ local to = stanza.attr.to;
+ for jid in pairs(o_data.sessions) do
+ stanza.attr.to = jid;
+ self:_route_stanza(stanza);
+ end
+ stanza.attr.to = to;
+end
+
function room_mt:broadcast_presence(stanza, sid, code, nick)
stanza = get_filtered_presence(stanza);
local occupant = self._occupants[stanza.attr.from];
stanza:tag("status", {code=code}):up();
end
self:broadcast_except_nick(stanza, stanza.attr.from);
- local me = self._occupants[stanza.attr.from];
- if me then
- stanza:tag("status", {code='110'}):up();
- stanza.attr.to = sid;
- self:_route_stanza(stanza);
- end
+ stanza:tag("status", {code='110'}):up();
+ stanza.attr.to = sid;
+ self:_route_stanza(stanza);
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);
- end
- end
- stanza.attr.to = to;
- if historic then -- add to history
- return self:save_to_history(stanza)
- end
-end
-function room_mt:save_to_history(stanza)
- local history = self._data['history'];
- if not history then history = {}; self._data['history'] = history; end
- stanza = st.clone(stanza);
- stanza.attr.to = "";
- local stamp = datetime.datetime();
- 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 };
- t_insert(history, entry);
- while #history > (self._data.history_length or default_history_length) do t_remove(history, 1) end
-end
+ module:fire_event("muc-broadcast-message", {room = self, stanza = stanza, historic = historic});
+ self:broadcast(stanza);
+end
+
+-- add to history
+module:hook("muc-broadcast-message", function(event)
+ if event.historic then
+ local room = event.room
+ local history = room._data['history'];
+ if not history then history = {}; room._data['history'] = history; end
+ local stanza = st.clone(event.stanza);
+ stanza.attr.to = "";
+ local ts = gettime();
+ local stamp = datetime.datetime(ts);
+ stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = module.host, stamp = stamp}):up(); -- XEP-0203
+ stanza:tag("x", {xmlns = "jabber:x:delay", from = module.host, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
+ local entry = { stanza = stanza, timestamp = ts };
+ t_insert(history, entry);
+ while #history > room:get_historylength() do t_remove(history, 1) end
+ end
+end)
+
function room_mt:broadcast_except_nick(stanza, nick)
- for rnick, occupant in pairs(self._occupants) do
- if rnick ~= nick then
- for jid in pairs(occupant.sessions) do
- stanza.attr.to = jid;
- self:_route_stanza(stanza);
- end
+ return self:broadcast(stanza, function(rnick, occupant) return rnick ~= nick end)
+end
+
+-- Broadcast a stanza to all occupants in the room.
+-- optionally checks conditional called with nicl
+function room_mt:broadcast(stanza, cond_func)
+ for nick, occupant in pairs(self._occupants) do
+ if cond_func == nil or cond_func(nick, occupant) then
+ self:route_to_occupant(occupant, stanza)
end
end
end
function room_mt:send_occupant_list(to)
- local current_nick = self._jid_nick[to];
+ local current_nick = self:get_occupant_jid(to);
for occupant, o_data in pairs(self._occupants) do
if occupant ~= current_nick then
local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
return maxchars, maxstanzas, since
end
--- Get history for 'to'
-function room_mt:get_history(to, maxchars, maxstanzas, since)
- local history = self._data['history']; -- send discussion history
- if not history then return end
+
+module:hook("muc-get-history", function(event)
+ local room = event.room
+ local history = room._data['history']; -- send discussion history
+ if not history then return nil end
local history_len = #history
- maxstanzas = maxstanzas or history_len
+ local to = event.to
+ local maxchars = event.maxchars
+ local maxstanzas = event.maxstanzas or history_len
+ local since = event.since
local n = 0;
local charcount = 0;
for i=history_len,1,-1 do
charcount = charcount + entry.chars + #to;
if charcount > maxchars then break; end
end
- if since and since > entry.stamp then break; end
+ if since and since > entry.timestamp then break; end
if n + 1 > maxstanzas then break; end
n = n + 1;
end
local i = history_len-n+1
- return function()
+ function event:next_stanza()
if i > history_len then return nil end
local entry = history[i]
local msg = entry.stanza
i = i + 1
return msg
end
-end
-function room_mt:send_history(to, stanza)
+ return true;
+end)
+
+function room_mt:send_history(stanza)
local maxchars, maxstanzas, since = parse_history(stanza)
- for msg in self:get_history(to, maxchars, maxstanzas, since) do
+ local event = {
+ room = self;
+ to = stanza.attr.from; -- `to` is required to calculate the character count for `maxchars`
+ maxchars = maxchars, maxstanzas = maxstanzas, since = since;
+ next_stanza = function() end; -- events should define this iterator
+ }
+ module:fire_event("muc-get-history", event)
+ for msg in event.next_stanza , event do
self:_route_stanza(msg);
end
end
-function room_mt:send_subject(to)
- if self._data['subject'] then
- self:_route_stanza(st.message({type='groupchat', from=self._data['subject_from'] or self.jid, to=to}):tag("subject"):text(self._data['subject']));
- end
-end
function room_mt:get_disco_info(stanza)
local count = 0; for _ in pairs(self._occupants) do count = count + 1; end
:tag("feature", {var=self:get_members_only() and "muc_membersonly" or "muc_open"}):up()
:tag("feature", {var=self:get_persistent() and "muc_persistent" or "muc_temporary"}):up()
:tag("feature", {var=self:get_hidden() and "muc_hidden" or "muc_public"}):up()
- :tag("feature", {var=self._data.whois ~= "anyone" and "muc_semianonymous" or "muc_nonanonymous"}):up()
+ :tag("feature", {var=self:get_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", value = "" },
end
return reply;
end
+
+function room_mt:get_subject()
+ return self._data['subject'], self._data['subject_from']
+end
+local function create_subject_message(subject)
+ return st.message({type='groupchat'})
+ :tag('subject'):text(subject):up();
+end
+function room_mt:send_subject(to)
+ local from, subject = self:get_subject()
+ if subject then
+ local msg = create_subject_message(subject)
+ msg.attr.from = from
+ msg.attr.to = to
+ self:_route_stanza(msg);
+ end
+end
function room_mt:set_subject(current_nick, subject)
if subject == "" then subject = nil; end
self._data['subject'] = subject;
self._data['subject_from'] = current_nick;
if self.save then self:save(); end
- local msg = st.message({type='groupchat', from=current_nick})
- :tag('subject'):text(subject):up();
+ local msg = create_subject_message(subject)
+ msg.attr.from = current_nick
self:broadcast_message(msg, false);
return true;
end
function room_mt:handle_unavailable_to_occupant(origin, stanza)
local from = stanza.attr.from;
- local current_nick = self._jid_nick[from];
+ local current_nick = self:get_occupant_jid(from);
if not current_nick then
return true; -- discard
end
occupant.role = 'none';
self:broadcast_presence(pr, from);
self._occupants[current_nick] = nil;
+ module:fire_event("muc-occupant-left", { room = self; nick = current_nick; });
end
return true;
end
origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
return true;
else
- local data = self._occupants[current_nick];
local to_nick = select(3, jid_split(to));
- log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to);
+ log("debug", "%s (%s) changing nick to %s", current_nick, occupant.jid, to);
local p = st.presence({type='unavailable', from=current_nick});
self:broadcast_presence(p, from, '303', to_nick);
self._occupants[current_nick] = nil;
- self._occupants[to] = data;
+ self._occupants[to] = occupant;
self._jid_nick[from] = to;
local pr = get_filtered_presence(stanza);
pr.attr.from = to;
end
end
-function room_mt:handle_join(origin, stanza)
+module:hook("muc-occupant-pre-join", function(event)
+ return module:fire_event("muc-occupant-pre-join/affiliation", event)
+ or module:fire_event("muc-occupant-pre-join/password", event)
+ or module:fire_event("muc-occupant-pre-join/locked", event)
+ or module:fire_event("muc-occupant-pre-join/nick-conflict", event)
+end, -1)
+
+module:hook("muc-occupant-pre-join/password", function(event)
+ local room, stanza = event.room, event.stanza;
local from, to = stanza.attr.from, stanza.attr.to;
- log("debug", "%s joining as %s", from, to);
- if not next(self._affiliations) then -- new room, no owners
- self._affiliations[jid_bare(from)] = "owner";
- if self.locked and not stanza:get_child("x", "http://jabber.org/protocol/muc") then
- self.locked = nil; -- Older groupchat protocol doesn't lock
- end
- elseif self.locked then -- Deny entry
- origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
+ local password = stanza:get_child("x", "http://jabber.org/protocol/muc");
+ password = password and password:get_child_text("password", "http://jabber.org/protocol/muc");
+ if not password or password == "" then password = nil; end
+ if room:get_password() ~= password then
+ local from, to = stanza.attr.from, stanza.attr.to;
+ log("debug", "%s couldn't join due to invalid password: %s", from, to);
+ local reply = st.error_reply(stanza, "auth", "not-authorized"):up();
+ reply.tags[1].attr.code = "401";
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ return true;
+ end
+end, -1)
+
+module:hook("muc-occupant-pre-join/nick-conflict", function(event)
+ local room, stanza = event.room, event.stanza;
+ local from, to = stanza.attr.from, stanza.attr.to;
+ local occupant = room._occupants[to]
+ if occupant -- occupant already exists
+ and jid_bare(from) ~= jid_bare(occupant.jid) then -- and has different bare real jid
+ log("debug", "%s couldn't join due to nick conflict: %s", from, to);
+ local reply = st.error_reply(stanza, "cancel", "conflict"):up();
+ reply.tags[1].attr.code = "409";
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ return true;
+ end
+end, -1)
+
+module:hook("muc-occupant-pre-join/locked", function(event)
+ if event.room:is_locked() then -- Deny entry
+ event.origin.send(st.error_reply(event.stanza, "cancel", "item-not-found"));
return true;
end
+end, -1)
+
+function room_mt:handle_join(origin, stanza)
+ local from, to = stanza.attr.from, stanza.attr.to;
local affiliation = self:get_affiliation(from);
+ if affiliation == nil and next(self._affiliations) == nil then -- new room, no owners
+ affiliation = "owner";
+ self._affiliations[jid_bare(from)] = affiliation;
+ if self:is_locked() and not stanza:get_child("x", "http://jabber.org/protocol/muc") then
+ self:unlock(); -- Older groupchat protocol doesn't lock
+ end
+ end
+ if module:fire_event("muc-occupant-pre-join", {
+ room = self;
+ origin = origin;
+ stanza = stanza;
+ affiliation = affiliation;
+ }) then return true; end
+ log("debug", "%s joining as %s", from, to);
+
local role = self:get_default_role(affiliation)
if role then -- new occupant
local is_merge = not not self._occupants[to]
self:broadcast_except_nick(pr, to);
end
pr:tag("status", {code='110'}):up();
- if self._data.whois == 'anyone' then
+ if self:get_whois() == 'anyone' then
pr:tag("status", {code='100'}):up();
end
- if self.locked then
+ if self:is_locked() then
pr:tag("status", {code='201'}):up();
end
pr.attr.to = from;
self:send_history(from, stanza);
self:send_subject(from);
return true;
- elseif not affiliation then -- registration required for entering members-only room
- local reply = st.error_reply(stanza, "auth", "registration-required"):up();
+ end
+end
+
+-- registration required for entering members-only room
+module:hook("muc-occupant-pre-join/affiliation", function(event)
+ if event.affiliation == nil and event.room:get_members_only() then
+ local reply = st.error_reply(event.stanza, "auth", "registration-required"):up();
reply.tags[1].attr.code = "407";
- origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
return true;
- else -- banned
- local reply = st.error_reply(stanza, "auth", "forbidden"):up();
+ end
+end, -1)
+
+-- banned
+module:hook("muc-occupant-pre-join/affiliation", function(event)
+ if event.affiliation == "outcast" then
+ local reply = st.error_reply(event.stanza, "auth", "forbidden"):up();
reply.tags[1].attr.code = "403";
- origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
return true;
end
-end
+end, -1)
function room_mt:handle_available_to_occupant(origin, stanza)
local from, to = stanza.attr.from, stanza.attr.to;
- local current_nick = self._jid_nick[from];
+ local current_nick = self:get_occupant_jid(from);
if current_nick then
--if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence
if current_nick == to then -- simple presence
-- self:handle_to_occupant(origin, stanza); -- resend available
--end
else -- enter room
- local new_nick = to;
- if self._occupants[to] then
- if jid_bare(from) ~= jid_bare(self._occupants[to].jid) then
- new_nick = nil;
- end
- end
- local password = stanza:get_child("x", "http://jabber.org/protocol/muc");
- password = password and password:get_child("password", "http://jabber.org/protocol/muc");
- password = password and password[1] ~= "" and password[1];
- if self:get_password() and self:get_password() ~= password then
- log("debug", "%s couldn't join due to invalid password: %s", from, to);
- local reply = st.error_reply(stanza, "auth", "not-authorized"):up();
- reply.tags[1].attr.code = "401";
- origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
- return true;
- elseif not new_nick then
- log("debug", "%s couldn't join due to nick conflict: %s", from, to);
- 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"}));
- return true;
- else
- return self:handle_join(origin, stanza)
- end
+ return self:handle_join(origin, stanza)
end
end
local from, to = stanza.attr.from, stanza.attr.to;
local type = stanza.attr.type;
local id = stanza.attr.id;
- local current_nick = self._jid_nick[from];
+ local current_nick = self:get_occupant_jid(from);
local o_data = self._occupants[to];
if (type == "error" or type == "result") then
do -- deconstruct_stanza_id
return true;
end
do -- construct_stanza_id
- stanza.attr.id = base64.encode(to_jid.."\0"..stanza.attr.id.."\0"..md5(from));
+ stanza.attr.id = base64.encode(o_data.jid.."\0"..stanza.attr.id.."\0"..md5(from));
end
stanza.attr.from, stanza.attr.to = current_nick, o_data.jid;
log("debug", "%s sent private iq stanza to %s (%s)", from, to, o_data.jid);
function room_mt:handle_message_to_occupant(origin, stanza)
local from, to = stanza.attr.from, stanza.attr.to;
- local current_nick = self._jid_nick[from];
+ local current_nick = self:get_occupant_jid(from);
local type = stanza.attr.type;
if not current_nick then -- not in room
if type ~= "error" then
log("debug", "%s sent private message stanza to %s (%s)", from, to, o_data.jid);
stanza:tag("x", { xmlns = "http://jabber.org/protocol/muc#user" }):up();
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;
+ self:route_to_occupant(o_data, stanza)
+ stanza.attr.from = from;
return true;
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);
- local current_nick = self._jid_nick[from];
- log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag());
- if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end
- if stanza.name == "presence" then
- return self:handle_presence_to_occupant(origin, stanza)
- elseif stanza.name == "iq" then
- return self:handle_iq_to_occupant(origin, stanza)
- elseif stanza.name == "message" then
- return self:handle_message_to_occupant(origin, stanza)
- end
-end
-
function room_mt:send_form(origin, stanza)
origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner")
:add_child(self:get_form_layout(stanza.attr.from):form())
end
function room_mt:get_form_layout(actor)
+ local whois = self:get_whois()
local form = dataform.new({
title = "Configuration for "..self.jid,
instructions = "Complete and submit this form to configure the room.",
type = 'list-single',
label = 'Who May Discover Real JIDs?',
value = {
- { value = 'moderators', label = 'Moderators Only', default = self._data.whois == 'moderators' },
- { value = 'anyone', label = 'Anyone', default = self._data.whois == 'anyone' }
+ { value = 'moderators', label = 'Moderators Only', default = whois == 'moderators' },
+ { value = 'anyone', label = 'Anyone', default = whois == 'anyone' }
}
},
{
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
+ local form = query:get_child("x", "jabber:x:data")
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", "Not a submitted form")); return; end
handle_option("password", "muc#roomconfig_roomsecret");
if self.save then self:save(true); end
- if self.locked then
- module:fire_event("muc-room-unlocked", { room = self });
- self.locked = nil;
+ if self:is_locked() then
+ self:unlock();
end
origin.send(st.reply(stanza));
self._jid_nick[jid] = nil;
end
self._occupants[nick] = nil;
+ module:fire_event("muc-occupant-left", { room = self; nick = nick; });
end
self:set_persistent(false);
module:fire_event("muc-room-destroyed", { room = self });
end
-function room_mt:handle_admin_item_set_command(origin, stanza)
+function room_mt:handle_disco_info_get_query(origin, stanza)
+ origin.send(self:get_disco_info(stanza));
+ return true;
+end
+
+function room_mt:handle_disco_items_get_query(origin, stanza)
+ origin.send(self:get_disco_items(stanza));
+ return true;
+end
+
+function room_mt:handle_admin_query_set_command(origin, stanza)
local item = stanza.tags[1].tags[1];
if item.attr.jid then -- Validate provided JID
item.attr.jid = jid_prep(item.attr.jid);
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];
+ local nick = self:get_occupant_jid(item.attr.jid);
if nick then item.attr.nick = select(3, jid_split(nick)); end
end
local actor = stanza.attr.from;
local callback = function() origin.send(st.reply(stanza)); end
- local reason = item.tags[1] and item.tags[1].name == "reason" and #item.tags[1] == 1 and item.tags[1][1];
+ local reason = item:get_child_text("reason");
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, reason);
if not success then origin.send(st.error_reply(stanza, errtype, err)); end
end
end
-function room_mt:handle_admin_item_get_command(origin, stanza)
+function room_mt:handle_admin_query_get_command(origin, stanza)
local actor = stanza.attr.from;
local affiliation = self:get_affiliation(actor);
- local current_nick = self._jid_nick[actor];
- local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation);
local item = stanza.tags[1].tags[1];
local _aff = item.attr.affiliation;
local _rol = item.attr.role;
return true;
end
elseif _rol and not _aff then
+ local role = self:get_role(self:get_occupant_jid(actor)) or self:get_default_role(affiliation);
if role == "moderator" then
- -- 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 occupant_jid, occupant in pairs(self._occupants) do
return true;
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
+ local reason = child:get_child_text("reason");
+ local password = child:get_child_text("password");
self:destroy(newjid, reason, password);
origin.send(st.reply(stanza));
return true;
end
end
-function room_mt:handle_iq_to_room(origin, stanza)
- local type = stanza.attr.type;
- local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
- 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));
- return true;
- 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));
- return true;
- elseif xmlns == "http://jabber.org/protocol/muc#admin" then
- local item = stanza.tags[1].tags[1];
- if item and item.name == "item" then
- if type == "set" then
- return self:handle_admin_item_set_command(origin, stanza)
- elseif type == "get" then
- return self:handle_admin_item_get_command(origin, stanza)
- end
- elseif type == "set" or type == "get" then
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- return true;
- end
- elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then
- if stanza.attr.type == "get" then
- return self:handle_owner_query_get_to_room(origin, stanza)
- elseif stanza.attr.type == "set" then
- return self:handle_owner_query_set_to_room(origin, stanza)
- end
- else
- return nil;
- end
-end
-
function room_mt:handle_groupchat_to_room(origin, stanza)
local from = stanza.attr.from;
- local current_nick = self._jid_nick[from];
+ local current_nick = self:get_occupant_jid(from);
local occupant = self._occupants[current_nick];
if not occupant then -- not in room
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
local subject = stanza:get_child_text("subject");
if subject then
if occupant.role == "moderator" or
- ( self._data.changesubject and occupant.role == "participant" ) then -- and participant
+ ( self:get_changesubject() and occupant.role == "participant" ) then -- and participant
self:set_subject(current_nick, subject);
else
stanza.attr.from = from;
-- hack - some buggy clients send presence updates to the room rather than their nick
function room_mt:handle_presence_to_room(origin, stanza)
- local current_nick = self._jid_nick[stanza.attr.from];
+ local current_nick = self:get_occupant_jid(stanza.attr.from);
local handled
if current_nick then
local to = stanza.attr.to;
return handled;
end
-function room_mt:handle_invite_to_room(origin, stanza, payload)
+function room_mt:handle_mediated_invite(origin, stanza)
+ local payload = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite")
local _from, _to = stanza.attr.from, stanza.attr.to;
+ local current_nick = self:get_occupant_jid(_from)
+ -- Need visitor role or higher to invite
+ if not self:get_role(current_nick) or not self:get_default_role(self:get_affiliation(_from)) then
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ return true;
+ end
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];
+ if self:get_whois() == "moderators" then
+ _from = current_nick;
+ end
+ local _reason = payload:get_child_text("reason")
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();
- if self:get_password() then
- invite:tag("password"):text(self:get_password()):up();
- end
+ local password = self:get_password()
+ if password then
+ invite:tag("password"):text(password):up();
+ end
invite:up()
:tag('x', {xmlns="jabber:x:conference", jid=_to}) -- COMPAT: Some older clients expect this
:text(_reason or "")
: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();
- if self:get_members_only() and not self:get_affiliation(_invitee) then
- log("debug", "%s invited %s into members only room %s, granting membership", _from, _invitee, _to);
- self:set_affiliation(_from, _invitee, "member", nil, "Invited by " .. self._jid_nick[_from])
- end
- self:_route_stanza(invite);
+ module:fire_event("muc-invite", { room = self, stanza = invite, origin = origin, incoming = stanza });
+ return true;
+ else
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ return true;
+ end
+end
+
+module:hook("muc-invite", function(event)
+ event.room:_route_stanza(event.stanza);
+ return true;
+end, -1)
+
+-- When an invite is sent; add an affiliation for the invitee
+module:hook("muc-invite", function(event)
+ local room, stanza = event.room, event.stanza
+ local invitee = stanza.attr.to
+ if room:get_members_only() and not room:get_affiliation(invitee) then
+ local from = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite").attr.from
+ local current_nick = room:get_occupant_jid(from)
+ log("debug", "%s invited %s into members only room %s, granting membership", from, invitee, room.jid);
+ room:set_affiliation(from, invitee, "member", nil, "Invited by " .. current_nick)
+ end
+end)
+
+function room_mt:handle_mediated_decline(origin, stanza)
+ local payload = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("decline")
+ local declinee = jid_prep(payload.attr.to);
+ if declinee then
+ local from, to = stanza.attr.from, stanza.attr.to;
+ -- TODO: Validate declinee
+ local reason = payload:get_child_text("reason")
+ local decline = st.message({from = to, to = declinee, id = stanza.attr.id})
+ :tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag('decline', {from=from})
+ :tag('reason'):text(reason or ""):up()
+ :up()
+ :up()
+ :tag('body') -- Add a plain message for clients which don't support declines
+ :text(from..' declined your invite to the room '..to..(reason and (' ('..reason..')') or ""))
+ :up();
+ module:fire_event("muc-decline", { room = self, stanza = decline, origin = origin, incoming = stanza });
return true;
else
origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
end
end
+module:hook("muc-decline", function(event)
+ local room, stanza = event.room, event.stanza
+ local occupant = room:get_occupant_by_real_jid(stanza.attr.to);
+ if occupant then
+ room:route_to_occupant(occupant, stanza)
+ else
+ room:route_stanza(stanza);
+ end
+ return true;
+end, -1)
+
function room_mt:handle_message_to_room(origin, stanza)
local type = stanza.attr.type;
if type == "groupchat" then
return self:handle_groupchat_to_room(origin, stanza)
elseif type == "error" and is_kickable_error(stanza) then
return self:handle_kickable(origin, stanza)
- elseif 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
- return self:handle_invite_to_room(origin, stanza, payload)
- else
+ elseif type == nil then
+ local x = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
+ if x then
+ local payload = x.tags[1];
+ if payload == nil then
+ -- fallthrough
+ elseif payload.name == "invite" and payload.attr.to then
+ return self:handle_mediated_invite(origin, stanza)
+ elseif payload.name == "decline" and payload.attr.to then
+ return self:handle_mediated_decline(origin, stanza)
+ end
origin.send(st.error_reply(stanza, "cancel", "bad-request"));
return true;
end
end
end
-function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc
- if stanza.name == "iq" then
- return self:handle_iq_to_room(origin, stanza)
- elseif stanza.name == "message" then
- return self:handle_message_to_room(origin, stanza)
- elseif stanza.name == "presence" then
- return self:handle_presence_to_room(origin, stanza)
- end
+function room_mt:route_stanza(stanza)
+ module:send(stanza)
end
-function room_mt:handle_stanza(origin, stanza)
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- local handled
- if to_resource then
- handled = self:handle_to_occupant(origin, stanza);
- else
- handled = self:handle_to_room(origin, stanza);
- end
-
- if not handled then
- local type = stanza.attr.type
- if stanza.name ~= "iq" or type == "get" or type == "set" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- end
-end
-
-function room_mt:route_stanza(stanza) end -- Replace with a routing function, e.g., function(room, stanza) core_route_stanza(origin, stanza); end
-
function room_mt:get_affiliation(jid)
local node, host, resource = jid_split(jid);
local bare = node and node.."@"..host or host;
if actor_jid == true then return true; end
- local actor = self._occupants[self._jid_nick[actor_jid]];
- if actor.role == "moderator" then
+ local actor = self._occupants[self:get_occupant_jid(actor_jid)];
+ if actor and actor.role == "moderator" then
if occupant.affiliation ~= "owner" and occupant.affiliation ~= "admin" then
if actor.affiliation == "owner" or actor.affiliation == "admin" then
return true;
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
+ local to_occupant = self._occupants[self:get_occupant_jid(stanza.attr.to)];
+ local from_occupant = self._occupants[stanza.attr.from];
if to_occupant and from_occupant then
- if self._data.whois == 'anyone' then
+ if self:get_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
end
end
end
- end
- if muc_child then
- for _, item in pairs(muc_child.tags) do
- if item.name == "item" then
+ if muc_child then
+ for item in muc_child:childtags("item") do
if from_occupant == to_occupant then
item.attr.jid = stanza.attr.to;
else
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
+ for item in muc_child:childtags("item") do
+ item.attr.jid = nil;
end
end
end
function _M.new_room(jid, config)
return setmetatable({
jid = jid;
+ locked = nil;
_jid_nick = {};
_occupants = {};
_data = {