-- Prosody IM
-- 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 default_history_length, max_history_length = 20, math.huge;
------------
-local function filter_xmlns_from_array(array, filters)
- local count = 0;
- for i=#array,1,-1 do
- local attr = array[i].attr;
- if filters[attr and attr.xmlns] then
- t_remove(array, i);
- count = count + 1;
- end
- end
- return count;
-end
-local function filter_xmlns_from_stanza(stanza, filters)
- if filters then
- if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then
- return stanza, filter_xmlns_from_array(stanza, filters);
- end
+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 stanza, 0;
+ return tag;
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):reset(), presence_filters);
+ return st.clone(stanza):maptags(presence_filter);
end
local kickable_error_conditions = {
["gone"] = true;
local cond = get_error_condition(stanza);
return kickable_error_conditions[cond] and cond;
end
-local function getUsingPath(stanza, path, getText)
- local tag = stanza;
- for _, name in ipairs(path) do
- if type(tag) ~= 'table' then return; end
- tag = tag:child_with_name(name);
- end
- if tag and getText then tag = table.concat(tag); end
- return tag;
-end
-local function getTag(stanza, path) return getUsingPath(stanza, path); end
-local function getText(stanza, path) return getUsingPath(stanza, path, true); end
-----------
local room_mt = {};
elseif affiliation == "member" then
return "participant";
elseif not affiliation then
- if not self:is_members_only() then
- return self:is_moderated() and "visitor" or "participant";
+ if not self:get_members_only() then
+ return self:get_moderated() and "visitor" or "participant";
end
end
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.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
+ 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
function room_mt:broadcast_except_nick(stanza, nick)
for rnick, occupant in pairs(self._occupants) do
if rnick ~= nick then
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 maxstanzas = math.floor(history_tag and tonumber(history_tag.attr.maxstanzas) or #history);
if not history_tag then maxstanzas = 20; end
local n = 0;
local charcount = 0;
-
+
for i=#history,1,-1 do
local entry = history[i];
if maxchars then
self:_route_stanza(msg);
end
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
:tag("identity", {category="conference", type="text", name=self:get_name()}):up()
:tag("feature", {var="http://jabber.org/protocol/muc"}):up()
:tag("feature", {var=self:get_password() and "muc_passwordprotected" or "muc_unsecured"}):up()
- :tag("feature", {var=self:is_moderated() and "muc_moderated" or "muc_unmoderated"}):up()
- :tag("feature", {var=self:is_members_only() and "muc_membersonly" or "muc_open"}):up()
- :tag("feature", {var=self:is_persistent() and "muc_persistent" or "muc_temporary"}):up()
- :tag("feature", {var=self:is_hidden() and "muc_hidden" or "muc_public"}):up()
+ :tag("feature", {var=self:get_moderated() and "muc_moderated" or "muc_unmoderated"}):up()
+ :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()
:add_child(dataform.new({
{ name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/muc#roominfo" },
return reply;
end
function room_mt:set_subject(current_nick, subject)
- -- TODO check nick's authority
if subject == "" then subject = nil; end
self._data['subject'] = subject;
self._data['subject_from'] = current_nick;
if self.save then self:save(true); end
end
end
-function room_mt:is_moderated()
+function room_mt:get_moderated()
return self._data.moderated;
end
function room_mt:set_members_only(members_only)
if self.save then self:save(true); end
end
end
-function room_mt:is_members_only()
+function room_mt:get_members_only()
return self._data.members_only;
end
function room_mt:set_persistent(persistent)
if self.save then self:save(true); end
end
end
-function room_mt:is_persistent()
+function room_mt:get_persistent()
return self._data.persistent;
end
function room_mt:set_hidden(hidden)
if self.save then self:save(true); end
end
end
-function room_mt:is_hidden()
+function room_mt:get_hidden()
return self._data.hidden;
end
+function room_mt:get_public()
+ return not self:get_hidden();
+end
+function room_mt:set_public(public)
+ return self:set_hidden(not public);
+end
function room_mt:set_changesubject(changesubject)
changesubject = changesubject and true or nil;
if self._data.changesubject ~= changesubject then
end
+local valid_whois = { moderators = true, anyone = true };
+
+function room_mt:set_whois(whois)
+ if valid_whois[whois] and self._data.whois ~= whois then
+ self._data.whois = whois;
+ if self.save then self:save(true); end
+ end
+end
+
+function room_mt:get_whois()
+ 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;
-
+
return from_nick, to_jid, base64.encode(to_jid.."\0"..stanza.attr.id.."\0"..md5(from_jid));
end
local function deconstruct_stanza_id(room, stanza)
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 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";
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;
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():form())
+ :add_child(self:get_form_layout(stanza.attr.from):form())
);
end
-function room_mt:get_form_layout()
+function room_mt:get_form_layout(actor)
local form = dataform.new({
title = "Configuration for "..self.jid,
instructions = "Complete and submit this form to configure the room.",
name = 'muc#roomconfig_persistentroom',
type = 'boolean',
label = 'Make Room Persistent?',
- value = self:is_persistent()
+ value = self:get_persistent()
},
{
name = 'muc#roomconfig_publicroom',
type = 'boolean',
label = 'Make Room Publicly Searchable?',
- value = not self:is_hidden()
+ value = not self:get_hidden()
},
{
name = 'muc#roomconfig_changesubject',
name = 'muc#roomconfig_moderatedroom',
type = 'boolean',
label = 'Make Room Moderated?',
- value = self:is_moderated()
+ value = self:get_moderated()
},
{
name = 'muc#roomconfig_membersonly',
type = 'boolean',
label = 'Make Room Members-Only?',
- value = self:is_members_only()
+ value = self:get_members_only()
},
{
name = 'muc#roomconfig_historylength',
value = tostring(self:get_historylength())
}
});
- return module:fire_event("muc-config-form", { room = self, form = form }) or form;
+ return module:fire_event("muc-config-form", { room = self, actor = actor, form = form }) or form;
end
-local valid_whois = {
- moderators = true,
- anyone = true,
-}
-
function room_mt:process_form(origin, stanza)
local query = stanza.tags[1];
local form;
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
- local fields = self:get_form_layout():data(form);
- if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request", "Form is not of type room configuration")); return; end
-
- local dirty = false
-
- local event = { room = self, fields = fields, changed = dirty };
- module:fire_event("muc-config-submitted", event);
- dirty = event.changed or dirty;
-
- local name = fields['muc#roomconfig_roomname'];
- if name ~= self:get_name() then
- self:set_name(name);
+ local fields, errors, present = self:get_form_layout(stanza.attr.from):data(form);
+ if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then
+ origin.send(st.error_reply(stanza, "cancel", "bad-request", "Form is not of type room configuration"));
+ return;
end
- local description = fields['muc#roomconfig_roomdesc'];
- if description ~= self:get_description() then
- self:set_description(description);
- end
-
- local persistent = fields['muc#roomconfig_persistentroom'];
- dirty = dirty or (self:is_persistent() ~= persistent)
- module:log("debug", "persistent=%s", tostring(persistent));
-
- local moderated = fields['muc#roomconfig_moderatedroom'];
- dirty = dirty or (self:is_moderated() ~= moderated)
- module:log("debug", "moderated=%s", tostring(moderated));
+ local changed = {};
- local membersonly = fields['muc#roomconfig_membersonly'];
- dirty = dirty or (self:is_members_only() ~= membersonly)
- module:log("debug", "membersonly=%s", tostring(membersonly));
-
- local public = fields['muc#roomconfig_publicroom'];
- dirty = dirty or (self:is_hidden() ~= (not public and true or nil))
-
- local changesubject = fields['muc#roomconfig_changesubject'];
- dirty = dirty or (self:get_changesubject() ~= (not changesubject and true or nil))
- module:log('debug', 'changesubject=%s', changesubject and "true" or "false")
-
- local historylength = tonumber(fields['muc#roomconfig_historylength']);
- dirty = dirty or (historylength and (self:get_historylength() ~= historylength));
- module:log('debug', 'historylength=%s', historylength)
-
-
- local whois = fields['muc#roomconfig_whois'];
- if not valid_whois[whois] then
- origin.send(st.error_reply(stanza, 'cancel', 'bad-request', "Invalid value for 'whois'"));
- return;
+ local function handle_option(name, field, allowed)
+ if not present[field] then return; end
+ local new = fields[field];
+ if allowed and not allowed[new] then return; end
+ if new == self["get_"..name](self) then return; end
+ changed[name] = true;
+ self["set_"..name](self, new);
end
- local whois_changed = self._data.whois ~= whois
- self._data.whois = whois
- module:log('debug', 'whois=%s', whois)
- local password = fields['muc#roomconfig_roomsecret'];
- if self:get_password() ~= password then
- self:set_password(password);
- end
- self:set_moderated(moderated);
- self:set_members_only(membersonly);
- self:set_persistent(persistent);
- self:set_hidden(not public);
- self:set_changesubject(changesubject);
- self:set_historylength(historylength);
+ local event = { room = self, fields = fields, changed = changed, stanza = stanza, origin = origin, update_option = handle_option };
+ module:fire_event("muc-config-submitted", event);
+
+ handle_option("name", "muc#roomconfig_roomname");
+ handle_option("description", "muc#roomconfig_roomdesc");
+ handle_option("persistent", "muc#roomconfig_persistentroom");
+ handle_option("moderated", "muc#roomconfig_moderatedroom");
+ handle_option("members_only", "muc#roomconfig_membersonly");
+ handle_option("public", "muc#roomconfig_publicroom");
+ handle_option("changesubject", "muc#roomconfig_changesubject");
+ handle_option("historylength", "muc#roomconfig_historylength");
+ handle_option("whois", "muc#roomconfig_whois", valid_whois);
+ 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;
+ end
origin.send(st.reply(stanza));
- if dirty or whois_changed then
+ if next(changed) then
local msg = st.message({type='groupchat', from=self.jid})
- :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}):up()
- :tag('x', {xmlns='http://jabber.org/protocol/muc#user'});
-
- if dirty then
- msg.tags[1]:tag('status', {code = '104'}):up();
- end
- if whois_changed then
- local code = (whois == 'moderators') and "173" or "172";
++ :tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag('status', {code = '104'}):up();
+ if changed.whois then
+ local code = (self:get_whois() == 'moderators') and "173" or "172";
msg.tags[1]:tag('status', {code = code}):up();
end
- msg:up();
-
self:broadcast_message(msg, false)
end
end
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end
elseif stanza.name == "message" and type == "groupchat" then
- local from, to = stanza.attr.from, stanza.attr.to;
+ 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
else
local from = stanza.attr.from;
stanza.attr.from = current_nick;
- local subject = getText(stanza, {"subject"});
+ 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); -- TODO use broadcast_message_stanza
+ self:set_subject(current_nick, subject);
else
stanza.attr.from = from;
origin.send(st.error_reply(stanza, "auth", "forbidden"));
: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:is_members_only() and not self:get_affiliation(_invitee) then
+ 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
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