-- 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 select = select;
local pairs, ipairs = pairs, ipairs;
+local gettime = os.time;
local datetime = require "util.datetime";
local dataform = require "util.dataforms";
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
+ 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]);
end
end
end
-function room_mt:send_history(to, stanza)
- local history = self._data['history']; -- send discussion history
- if history then
- local x_tag = stanza and stanza:get_child("x", "http://jabber.org/protocol/muc");
- local history_tag = x_tag and x_tag:get_child("history", "http://jabber.org/protocol/muc");
- local maxchars = history_tag and tonumber(history_tag.attr.maxchars);
- if maxchars then maxchars = math.floor(maxchars); end
+local function parse_history(stanza)
+ local x_tag = stanza:get_child("x", "http://jabber.org/protocol/muc");
+ local history_tag = x_tag and x_tag:get_child("history", "http://jabber.org/protocol/muc");
+ if not history_tag then
+ return nil, 20, nil
+ end
+
+ local maxchars = tonumber(history_tag.attr.maxchars);
- local maxstanzas = math.floor(history_tag and tonumber(history_tag.attr.maxstanzas) or #history);
- if not history_tag then maxstanzas = 20; end
+ local maxstanzas = tonumber(history_tag.attr.maxstanzas);
- local seconds = history_tag and tonumber(history_tag.attr.seconds);
- if seconds then seconds = datetime.datetime(os.time() - math.floor(seconds)); end
+ -- messages received since the UTC datetime specified
+ local since = history_tag.attr.since;
+ if since then
+ since = datetime.parse(since);
+ end
- local since = history_tag and history_tag.attr.since;
- if since then since = datetime.parse(since); since = since and datetime.datetime(since); end
- if seconds and (not since or since < seconds) then since = seconds; end
+ -- messages received in the last "X" seconds.
+ local seconds = tonumber(history_tag.attr.seconds);
+ if seconds then
+ seconds = gettime() - seconds
+ if since then
+ since = math.max(since, seconds);
+ else
+ since = seconds;
+ end
+ end
- local n = 0;
- local charcount = 0;
+ return maxchars, maxstanzas, since
+end
- for i=#history,1,-1 do
- local entry = history[i];
- if maxchars then
- if not entry.chars then
- entry.stanza.attr.to = "";
- entry.chars = #tostring(entry.stanza);
- end
- charcount = charcount + entry.chars + #to;
- if charcount > maxchars then break; 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
+
+ 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
+ local entry = history[i];
+ if maxchars then
+ if not entry.chars then
+ entry.stanza.attr.to = "";
+ entry.chars = #tostring(entry.stanza);
end
- if since and since > entry.stamp then break; end
- if n + 1 > maxstanzas then break; end
- n = n + 1;
- end
- for i=#history-n+1,#history do
- local msg = history[i].stanza;
- msg.attr.to = to;
- self:_route_stanza(msg);
+ charcount = charcount + entry.chars + #to;
+ if charcount > maxchars then break; end
end
+ if since and since > entry.timestamp then break; end
+ if n + 1 > maxstanzas then break; end
+ n = n + 1;
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']));
+
+ local i = history_len-n+1
+ function event:next_stanza()
+ if i > history_len then return nil end
+ local entry = history[i]
+ local msg = entry.stanza
+ msg.attr.to = to;
+ i = i + 1
+ return msg
+ end
+ return true;
+end)
+
+function room_mt:send_history(stanza)
+ local maxchars, maxstanzas, since = parse_history(stanza)
+ 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
: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
-local function build_unavailable_presence_from_error(stanza)
+function room_mt:handle_kickable(origin, stanza)
local type, condition, text = stanza:get_error();
local error_message = "Kicked: "..(condition and condition:gsub("%-", " ") or "presence error");
if text then
error_message = error_message..": "..text;
end
- return st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
+ local kick_stanza = st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
:tag('status'):text(error_message);
+ self:handle_unavailable_to_occupant(origin, kick_stanza); -- send unavailable
+ return true;
end
function room_mt:set_name(name)
return self._data.whois;
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;
+function room_mt:handle_unavailable_to_occupant(origin, stanza)
+ local from = stanza.attr.from;
+ local current_nick = self:get_occupant_jid(from);
+ if not current_nick then
+ return true; -- discard
+ end
+ local pr = get_filtered_presence(stanza);
+ pr.attr.from = current_nick;
+ log("debug", "%s leaving %s", current_nick, self.jid);
+ 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
+ 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'}):up();
+ 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;
+ module:fire_event("muc-occupant-left", { room = self; nick = current_nick; });
+ end
+ return true;
+end
+
+function room_mt:handle_occupant_presence(origin, stanza)
+ local from = stanza.attr.from;
+ local pr = get_filtered_presence(stanza);
+ local current_nick = stanza.attr.to
+ pr.attr.from = current_nick;
+ log("debug", "%s broadcasted presence", current_nick);
+ self._occupants[current_nick].sessions[from] = pr;
+ self:broadcast_presence(pr, from);
+ return true;
+end
- return from_nick, to_jid, base64.encode(to_jid.."\0"..stanza.attr.id.."\0"..md5(from_jid));
+function room_mt:handle_change_nick(origin, stanza, current_nick, to)
+ local from = stanza.attr.from;
+ 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);
+ 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
+ local to_nick = select(3, jid_split(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] = occupant;
+ self._jid_nick[from] = to;
+ local pr = get_filtered_presence(stanza);
+ pr.attr.from = to;
+ self._occupants[to].sessions[from] = pr;
+ self:broadcast_presence(pr, from);
+ return true;
+ end
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
+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;
+ 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)
- 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;
+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]
+ 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);
+ local pr = get_filtered_presence(stanza);
+ pr.attr.from = to;
+ pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up();
+ if not is_merge then
+ self:broadcast_except_nick(pr, to);
+ end
+ pr:tag("status", {code='110'}):up();
+ if self:get_whois() == 'anyone' then
+ pr:tag("status", {code='100'}):up();
+ end
+ if self:is_locked() then
+ pr:tag("status", {code='201'}):up();
+ end
+ pr.attr.to = from;
+ self:_route_stanza(pr);
+ self:send_history(from, stanza);
+ self:send_subject(from);
+ return true;
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";
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ return true;
+ 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";
+ event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
+ return true;
+ end
+end, -1)
-function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
+function room_mt:handle_available_to_occupant(origin, stanza)
local from, to = stanza.attr.from, stanza.attr.to;
- local room = jid_bare(to);
- local current_nick = self._jid_nick[from];
- local type = stanza.attr.type;
- 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
- local pr = get_filtered_presence(stanza);
- pr.attr.from = current_nick;
- 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, build_unavailable_presence_from_error(stanza));
+ 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
+ return self:handle_occupant_presence(origin, stanza)
+ else -- change nick
+ return self:handle_change_nick(origin, stanza, current_nick, to)
end
- 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
- 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'}):up();
- 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
- end
- elseif not type then -- available
- 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
- log("debug", "%s broadcasted presence", current_nick);
- self._occupants[current_nick].sessions[from] = pr;
- self:broadcast_presence(pr, from);
- else -- change nick
- 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);
- 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, 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, from);
- else
- --TODO malformed-jid
- end
- end
- end
- --else -- possible rejoin
- -- log("debug", "%s had connection replaced", current_nick);
- -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to})
- -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable
- -- self:handle_to_occupant(origin, stanza); -- resend available
- --end
- else -- enter room
- local new_nick = to;
- local is_merge;
- if self._occupants[to] then
- if jid_bare(from) ~= jid_bare(self._occupants[to].jid) then
- new_nick = nil;
- end
- is_merge = true;
- 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"}));
- 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"}));
- else
- 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"));
- return;
- end
- local affiliation = self:get_affiliation(from);
- local role = self:get_default_role(affiliation)
- if role then -- new occupant
- 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;
- pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up();
- if not is_merge then
- self:broadcast_except_nick(pr, to);
- end
- pr:tag("status", {code='110'}):up();
- if self._data.whois == 'anyone' then
- pr:tag("status", {code='100'}):up();
- end
- if self.locked then
- pr:tag("status", {code='201'}):up();
- end
- pr.attr.to = from;
- self:_route_stanza(pr);
- self:send_history(from, stanza);
- self:send_subject(from);
- elseif not affiliation then -- registration required for entering members-only room
- local reply = st.error_reply(stanza, "auth", "registration-required"):up();
- reply.tags[1].attr.code = "407";
- origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
- else -- banned
- 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
+ --else -- possible rejoin
+ -- log("debug", "%s had connection replaced", current_nick);
+ -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to})
+ -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable
+ -- self:handle_to_occupant(origin, stanza); -- resend available
+ --end
+ else -- enter room
+ return self:handle_join(origin, stanza)
+ end
+end
+
+function room_mt:handle_presence_to_occupant(origin, stanza)
+ local type = stanza.attr.type;
+ if type == "error" then -- error, kick em out!
+ return self:handle_kickable(origin, stanza)
+ elseif type == "unavailable" then -- unavailable
+ return self:handle_unavailable_to_occupant(origin, stanza)
+ elseif not type then -- available
+ return self:handle_available_to_occupant(origin, stanza)
+ elseif type ~= 'result' then -- bad type
+ 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
+ return true;
+end
+
+function room_mt:handle_iq_to_occupant(origin, stanza)
+ local from, to = stanza.attr.from, stanza.attr.to;
+ local type = stanza.attr.type;
+ local id = stanza.attr.id;
+ 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
+ if not current_nick or not o_data then return nil; end
+ local from_jid, id, to_jid_hash = (base64.decode(stanza.attr.id) or ""):match("^(.+)%z(.*)%z(.+)$");
+ if not(from == from_jid or from == jid_bare(from_jid)) then return nil; end
+ local session_jid
+ for to_jid in pairs(o_data.sessions) do
+ if md5(to_jid) == to_jid_hash then
+ session_jid = to_jid;
+ break;
end
end
- elseif type ~= 'result' then -- bad type
- 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
+ if session_jid == nil then return nil; end
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = current_nick, session_jid, id
end
- elseif not current_nick then -- not in room
- 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;
- elseif type ~= "error" then
+ log("debug", "%s sent private iq stanza to %s (%s)", from, to, stanza.attr.to);
+ self:_route_stanza(stanza);
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = from, to, id;
+ return true;
+ else -- Type is "get" or "set"
+ if not current_nick then
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
+ return true;
end
- elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM
- origin.send(st.error_reply(stanza, "modify", "bad-request"));
- 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);
- 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: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;
- end
- elseif type ~= "error" and type ~= "result" then -- recipient not in room
+ if not o_data then -- recipient not in room
origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
+ return true;
+ end
+ do -- construct_stanza_id
+ 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);
+ if stanza.tags[1].attr.xmlns == 'vcard-temp' then
+ stanza.attr.to = jid_bare(stanza.attr.to);
+ end
+ self:_route_stanza(stanza);
+ stanza.attr.from, stanza.attr.to, stanza.attr.id = from, to, id;
+ return true;
+ end
+end
+
+function room_mt:handle_message_to_occupant(origin, stanza)
+ local from, to = stanza.attr.from, stanza.attr.to;
+ 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
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
end
+ return true;
end
+ if type == "groupchat" then -- groupchat messages not allowed in PM
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
+ return true;
+ elseif type == "error" and is_kickable_error(stanza) then
+ log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
+ return self:handle_kickable(origin, stanza); -- send unavailable
+ end
+
+ local o_data = self._occupants[to];
+ if not o_data then
+ origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
+ return true;
+ end
+ 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;
+ self:route_to_occupant(o_data, stanza)
+ stanza.attr.from = from;
+ return true;
end
function room_mt:send_form(origin, stanza)
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_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" 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" 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;
- 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];
- 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, 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, reason);
- if not success then origin.send(st.error_reply(stanza, errtype, err)); end
- else
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- end
- elseif type == "get" then
- local _aff = item.attr.affiliation;
- local _rol = item.attr.role;
- if _aff and not _rol then
- if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then
- local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin");
- for jid, affiliation in pairs(self._affiliations) do
- if affiliation == _aff then
- reply:tag("item", {affiliation = _aff, jid = jid}):up();
- end
- end
- origin.send(reply);
- else
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
- end
- elseif _rol and not _aff then
- 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
- if occupant.role == _rol then
- 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);
- else
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
- end
- else
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- end
+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);
+ if not item.attr.jid then
+ origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
+ return true;
+ 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: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: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
+ return true;
+ 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, reason);
+ if not success then origin.send(st.error_reply(stanza, errtype, err)); end
+ return true;
+ else
+ origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ return true;
+ end
+end
+
+function room_mt:handle_admin_query_get_command(origin, stanza)
+ local actor = stanza.attr.from;
+ local affiliation = self:get_affiliation(actor);
+ local item = stanza.tags[1].tags[1];
+ local _aff = item.attr.affiliation;
+ local _rol = item.attr.role;
+ if _aff and not _rol then
+ if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then
+ local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin");
+ for jid, affiliation in pairs(self._affiliations) do
+ if affiliation == _aff then
+ reply:tag("item", {affiliation = _aff, jid = jid}):up();
end
- elseif type == "set" or type == "get" then
- 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
- if self:get_affiliation(stanza.attr.from) ~= "owner" then
- 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, "modify", "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);
+ origin.send(reply);
+ return true;
+ else
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ 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
+ 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
+ if occupant.role == _rol then
+ 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
- elseif type == "set" or type == "get" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ origin.send(reply);
+ return true;
+ else
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ return true;
end
- elseif stanza.name == "message" and type == "groupchat" then
+ else
+ origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ return true;
+ end
+end
+
+function room_mt:handle_owner_query_get_to_room(origin, stanza)
+ if self:get_affiliation(stanza.attr.from) ~= "owner" then
+ origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms"));
+ return true;
+ end
+
+ self:send_form(origin, stanza);
+ return true;
+end
+function room_mt:handle_owner_query_set_to_room(origin, stanza)
+ if self:get_affiliation(stanza.attr.from) ~= "owner" then
+ origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms"));
+ return true;
+ end
+
+ local child = stanza.tags[1].tags[1];
+ if not child then
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
+ return true;
+ elseif child.name == "destroy" then
+ local newjid = child.attr.jid;
+ 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;
+ else
+ self:process_form(origin, stanza);
+ return true;
+ end
+end
+
+function room_mt:handle_groupchat_to_room(origin, stanza)
+ local from = stanza.attr.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"));
+ return true;
+ elseif occupant.role == "visitor" then
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ return true;
+ else
local from = stanza.attr.from;
- 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, "auth", "forbidden"));
- else
- local from = stanza.attr.from;
- stanza.attr.from = current_nick;
- 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:set_subject(current_nick, subject);
- else
- stanza.attr.from = from;
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
- end
+ stanza.attr.from = current_nick;
+ local subject = stanza:get_child_text("subject");
+ if subject then
+ if occupant.role == "moderator" or
+ ( self:get_changesubject() and occupant.role == "participant" ) then -- and participant
+ self:set_subject(current_nick, subject);
else
- self:broadcast_message(stanza, self:get_historylength() > 0 and stanza:get_child("body"));
+ stanza.attr.from = from;
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
end
- stanza.attr.from = from;
+ else
+ self:broadcast_message(stanza, self:get_historylength() > 0 and stanza:get_child("body"));
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
+ stanza.attr.from = from;
+ return true;
+ end
+end
+
+-- 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:get_occupant_jid(stanza.attr.from);
+ local handled
+ if current_nick then
local to = stanza.attr.to;
- local current_nick = self._jid_nick[stanza.attr.from];
- if current_nick then
- stanza.attr.to = current_nick;
- self:handle_to_occupant(origin, stanza);
- stanza.attr.to = to;
- elseif type ~= "error" and type ~= "result" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ stanza.attr.to = current_nick;
+ handled = self:handle_presence_to_occupant(origin, stanza);
+ stanza.attr.to = to;
+ end
+ return handled;
+end
+
+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
+ if self:get_whois() == "moderators" then
+ _from = current_nick;
end
- 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
- 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();
- if self:get_password() then
- invite:tag("password"):text(self:get_password()):up();
- end
- invite: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();
- 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);
- else
- origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
- end
- else
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ 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();
+ 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 "")
+ :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();
+ module:fire_event("muc-invite", { room = self, stanza = invite, origin = origin, incoming = stanza });
+ return true;
else
- if type == "error" or type == "result" then return; end
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ return true;
end
end
-function room_mt:handle_stanza(origin, stanza)
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- if to_resource then
- self:handle_to_occupant(origin, stanza);
+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
- self:handle_to_room(origin, stanza);
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ return true;
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
+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 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
+ else
+ return nil;
+ end
+end
+
+function room_mt:route_stanza(stanza)
+ module:send(stanza)
+end
function room_mt:get_affiliation(jid)
local node, host, resource = jid_split(jid);
if actor_jid == true then return true; end
- local actor = self._occupants[self._jid_nick[actor_jid]];
+ 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
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 = {
projects / prosody.git / blobdiff