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247 lines
8.3 KiB
247 lines
8.3 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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if module:get_host_type() ~= "component" then
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error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
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end
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local muclib = module:require "muc";
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room_mt = muclib.room_mt; -- Yes, global.
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local iterators = require "util.iterators";
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local jid_split = require "util.jid".split;
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local jid_bare = require "util.jid".bare;
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local st = require "util.stanza";
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local um_is_admin = require "core.usermanager".is_admin;
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local hosts = prosody.hosts;
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local rooms = module:shared "rooms";
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module:depends("disco");
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module:add_identity("conference", "text", module:get_option_string("name", "Prosody Chatrooms"));
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module:add_feature("http://jabber.org/protocol/muc");
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module:depends "muc_unique"
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module:require "muc/lock";
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local function is_admin(jid)
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return um_is_admin(jid, module.host);
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end
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do -- Monkey patch to make server admins room owners
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local _get_affiliation = room_mt.get_affiliation;
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function room_mt:get_affiliation(jid)
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if is_admin(jid) then return "owner"; end
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return _get_affiliation(self, jid);
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end
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local _set_affiliation = room_mt.set_affiliation;
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function room_mt:set_affiliation(actor, jid, ...)
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if is_admin(jid) then return nil, "modify", "not-acceptable"; end
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return _set_affiliation(self, actor, jid, ...);
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end
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end
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function track_room(room)
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rooms[room.jid] = room;
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end
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function forget_room(jid)
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rooms[jid] = nil;
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end
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function get_room_from_jid(room_jid)
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return rooms[room_jid]
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end
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function each_room()
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return iterators.values(rooms);
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end
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do -- Persistent rooms
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local persistent = module:require "muc/persistent";
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local persistent_rooms_storage = module:open_store("persistent");
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local persistent_rooms = persistent_rooms_storage:get() or {};
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local room_configs = module:open_store("config");
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local function room_save(room, forced)
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local node = jid_split(room.jid);
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local is_persistent = persistent.get(room);
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persistent_rooms[room.jid] = is_persistent;
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if is_persistent then
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local history = room._data.history;
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room._data.history = nil;
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local data = {
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jid = room.jid;
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_data = room._data;
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_affiliations = room._affiliations;
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};
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room_configs:set(node, data);
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room._data.history = history;
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elseif forced then
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room_configs:set(node, nil);
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if not next(room._occupants) then -- Room empty
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rooms[room.jid] = nil;
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end
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end
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if forced then persistent_rooms_storage:set(nil, persistent_rooms); end
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end
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-- When room is created, over-ride 'save' method
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module:hook("muc-occupant-pre-create", function(event)
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event.room.save = room_save;
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end, 1000);
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-- Automatically destroy empty non-persistent rooms
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module:hook("muc-occupant-left",function(event)
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local room = event.room
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if not room:has_occupant() and not persistent.get(room) then -- empty, non-persistent room
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module:fire_event("muc-room-destroyed", { room = room });
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end
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end);
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local persistent_errors = false;
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for jid in pairs(persistent_rooms) do
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local node = jid_split(jid);
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local data = room_configs:get(node);
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if data then
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local room = muclib.new_room(jid);
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room._data = data._data;
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room._affiliations = data._affiliations;
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track_room(room);
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else -- missing room data
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persistent_rooms[jid] = nil;
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module:log("error", "Missing data for room '%s', removing from persistent room list", jid);
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persistent_errors = true;
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end
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end
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if persistent_errors then persistent_rooms_storage:set(nil, persistent_rooms); end
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end
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module:hook("host-disco-items", function(event)
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local reply = event.reply;
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module:log("debug", "host-disco-items called");
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for room in each_room() do
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if not room:get_hidden() then
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reply:tag("item", {jid=room.jid, name=room:get_name()}):up();
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end
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end
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end);
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module:hook("muc-room-pre-create", function(event)
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track_room(event.room);
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end, -1000);
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module:hook("muc-room-destroyed",function(event)
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local room = event.room
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forget_room(room.jid)
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end)
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do
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local restrict_room_creation = module:get_option("restrict_room_creation");
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if restrict_room_creation == true then
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restrict_room_creation = "admin";
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end
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if restrict_room_creation then
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local host_suffix = module.host:gsub("^[^%.]+%.", "");
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module:hook("muc-room-pre-create", function(event)
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local user_jid = event.stanza.attr.from;
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if not is_admin(user_jid) and not (
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restrict_room_creation == "local" and
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select(2, jid_split(user_jid)) == host_suffix
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) then
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origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
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return true;
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end
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end);
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end
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end
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for event_name, method in pairs {
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-- Normal room interactions
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["iq-get/bare/http://jabber.org/protocol/disco#info:query"] = "handle_disco_info_get_query" ;
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["iq-get/bare/http://jabber.org/protocol/disco#items:query"] = "handle_disco_items_get_query" ;
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["iq-set/bare/http://jabber.org/protocol/muc#admin:query"] = "handle_admin_query_set_command" ;
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["iq-get/bare/http://jabber.org/protocol/muc#admin:query"] = "handle_admin_query_get_command" ;
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["iq-set/bare/http://jabber.org/protocol/muc#owner:query"] = "handle_owner_query_set_to_room" ;
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["iq-get/bare/http://jabber.org/protocol/muc#owner:query"] = "handle_owner_query_get_to_room" ;
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["message/bare"] = "handle_message_to_room" ;
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["presence/bare"] = "handle_presence_to_room" ;
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-- Host room
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["iq-get/host/http://jabber.org/protocol/disco#info:query"] = "handle_disco_info_get_query" ;
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["iq-get/host/http://jabber.org/protocol/disco#items:query"] = "handle_disco_items_get_query" ;
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["iq-set/host/http://jabber.org/protocol/muc#admin:query"] = "handle_admin_query_set_command" ;
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["iq-get/host/http://jabber.org/protocol/muc#admin:query"] = "handle_admin_query_get_command" ;
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["iq-set/host/http://jabber.org/protocol/muc#owner:query"] = "handle_owner_query_set_to_room" ;
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["iq-get/host/http://jabber.org/protocol/muc#owner:query"] = "handle_owner_query_get_to_room" ;
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["message/host"] = "handle_message_to_room" ;
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["presence/host"] = "handle_presence_to_room" ;
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-- Direct to occupant (normal rooms and host room)
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["presence/full"] = "handle_presence_to_occupant" ;
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["iq/full"] = "handle_iq_to_occupant" ;
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["message/full"] = "handle_message_to_occupant" ;
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} do
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module:hook(event_name, function (event)
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local origin, stanza = event.origin, event.stanza;
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local room_jid = jid_bare(stanza.attr.to);
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local room = get_room_from_jid(room_jid);
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if room == nil then
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-- Watch presence to create rooms
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if stanza.attr.type == nil and stanza.name == "presence" then
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room = muclib.new_room(room_jid);
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else
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origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
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return true;
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end
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end
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return room[method](room, origin, stanza);
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end, -2)
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end
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function shutdown_component()
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local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"})
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:tag("status", { code = "332"}):up();
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for room in each_room() do
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room:clear(x);
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end
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end
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module:hook_global("server-stopping", shutdown_component);
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do -- Ad-hoc commands
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module:depends "adhoc";
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local t_concat = table.concat;
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local adhoc_new = module:require "adhoc".new;
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local adhoc_initial = require "util.adhoc".new_initial_data_form;
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local array = require "util.array";
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local dataforms_new = require "util.dataforms".new;
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local destroy_rooms_layout = dataforms_new {
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title = "Destroy rooms";
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instructions = "Select the rooms to destroy";
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{ name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/muc#destroy" };
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{ name = "rooms", type = "list-multi", required = true, label = "Rooms to destroy:"};
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};
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local destroy_rooms_handler = adhoc_initial(destroy_rooms_layout, function()
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return { rooms = array.collect(each_room):pluck("jid"):sort(); };
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end, function(fields, errors)
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if errors then
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local errmsg = {};
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for name, err in pairs(errors) do
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errmsg[#errmsg + 1] = name .. ": " .. err;
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end
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return { status = "completed", error = { message = t_concat(errmsg, "\n") } };
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end
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for _, room in ipairs(fields.rooms) do
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get_room_from_jid(room):destroy();
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end
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return { status = "completed", info = "The following rooms were destroyed:\n"..t_concat(fields.rooms, "\n") };
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end);
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local destroy_rooms_desc = adhoc_new("Destroy Rooms", "http://prosody.im/protocol/muc#destroy", destroy_rooms_handler, "admin");
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module:provides("adhoc", destroy_rooms_desc);
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end
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