-- 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 st = require "util.stanza"; local muc_util = module:require "muc/util"; local valid_affiliations = muc_util.valid_affiliations; local function get_members_only(room) return room._data.members_only; end local function set_members_only(room, members_only) members_only = members_only and true or nil; if room._data.members_only == members_only then return false; end room._data.members_only = members_only; if members_only then --[[ If as a result of a change in the room configuration the room type is changed to members-only but there are non-members in the room, the service MUST remove any non-members from the room and include a status code of 322 in the presence unavailable stanzas sent to those users as well as any remaining occupants. ]] local occupants_changed = {}; for _, occupant in room:each_occupant() do local affiliation = room:get_affiliation(occupant.bare_jid); if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then occupant.role = nil; room:save_occupant(occupant); occupants_changed[occupant] = true; end end local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"}) :tag("status", {code="322"}):up(); for occupant in pairs(occupants_changed) do room:publicise_occupant_status(occupant, x); module:fire_event("muc-occupant-left", {room = room; nick = occupant.nick; occupant = occupant;}); end end return true; end module:hook("muc-disco#info", function(event) event.reply:tag("feature", {var = get_members_only(event.room) and "muc_membersonly" or "muc_open"}):up(); end); module:hook("muc-config-form", function(event) table.insert(event.form, { name = "muc#roomconfig_membersonly"; type = "boolean"; label = "Make Room Members-Only?"; value = get_members_only(event.room); }); end, 100-6); module:hook("muc-config-submitted/muc#roomconfig_membersonly", function(event) if set_members_only(event.room, event.value) then event.status_codes["104"] = true; end end); -- No affiliation => role of "none" module:hook("muc-get-default-role", function(event) if not event.affiliation and get_members_only(event.room) then return false; end end); -- registration required for entering members-only room module:hook("muc-occupant-pre-join", function(event) local room = event.room; if get_members_only(room) then local stanza = event.stanza; local affiliation = room:get_affiliation(stanza.attr.from); if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then local reply = st.error_reply(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 end, -5); -- Invitation privileges in members-only rooms SHOULD be restricted to room admins; -- if a member without privileges to edit the member list attempts to invite another user -- the service SHOULD return a <forbidden/> error to the occupant module:hook("muc-pre-invite", function(event) local room = event.room; if get_members_only(room) then local stanza = event.stanza; local affiliation = room:get_affiliation(stanza.attr.from); if valid_affiliations[affiliation or "none"] < valid_affiliations.admin then event.origin.send(st.error_reply(stanza, "auth", "forbidden")); return true; end end end); -- When an invite is sent; add an affiliation for the invitee module:hook("muc-invite", function(event) local room = event.room; if get_members_only(room) then local stanza = event.stanza; local invitee = stanza.attr.to; local affiliation = room:get_affiliation(invitee); if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then local from = stanza:get_child("x", "http://jabber.org/protocol/muc#user") :get_child("invite").attr.from; module:log("debug", "%s invited %s into members only room %s, granting membership", from, invitee, room.jid); -- This might fail; ignore for now room:set_affiliation(from, invitee, "member", "Invited by " .. from); room:save(); end end end); return { get = get_members_only; set = set_members_only; };