%%%----------------------------------------------------------------------
%%% File : mod_muc_admin.erl
%%% Author : Badlop <badlop@ono.com>
%%% Purpose : Tools for additional MUC administration
%%% Created : 8 Sep 2007 by Badlop <badlop@ono.com>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2021 ProcessOne
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License along
%%% with this program; if not, write to the Free Software Foundation, Inc.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(mod_muc_admin).
-author('badlop@ono.com').
-behaviour(gen_mod).
-export([start/2, stop/1, reload/3, depends/2, mod_doc/0,
muc_online_rooms/1, muc_online_rooms_by_regex/2,
muc_register_nick/3, muc_unregister_nick/2,
create_room_with_opts/4, create_room/3, destroy_room/2,
create_rooms_file/1, destroy_rooms_file/1,
rooms_unused_list/2, rooms_unused_destroy/2,
rooms_empty_list/1, rooms_empty_destroy/1,
get_user_rooms/2, get_user_subscriptions/2, get_room_occupants/2,
get_room_occupants_number/2, send_direct_invitation/5,
change_room_option/4, get_room_options/2,
set_room_affiliation/4, get_room_affiliations/2, get_room_affiliation/3,
web_menu_main/2, web_page_main/2, web_menu_host/3,
subscribe_room/4, unsubscribe_room/2, get_subscribers/2,
web_page_host/3, mod_options/1, get_commands_spec/0, find_hosts/1]).
-include("logger.hrl").
-include_lib("xmpp/include/xmpp.hrl").
-include("mod_muc.hrl").
-include("mod_muc_room.hrl").
-include("ejabberd_http.hrl").
-include("ejabberd_web_admin.hrl").
-include("ejabberd_commands.hrl").
-include("translate.hrl").
%%----------------------------
%% gen_mod
%%----------------------------
start(Host, _Opts) ->
ejabberd_commands:register_commands(get_commands_spec()),
ejabberd_hooks:add(webadmin_menu_main, ?MODULE, web_menu_main, 50),
ejabberd_hooks:add(webadmin_menu_host, Host, ?MODULE, web_menu_host, 50),
ejabberd_hooks:add(webadmin_page_main, ?MODULE, web_page_main, 50),
ejabberd_hooks:add(webadmin_page_host, Host, ?MODULE, web_page_host, 50).
stop(Host) ->
case gen_mod:is_loaded_elsewhere(Host, ?MODULE) of
false ->
ejabberd_commands:unregister_commands(get_commands_spec());
true ->
ok
end,
ejabberd_hooks:delete(webadmin_menu_main, ?MODULE, web_menu_main, 50),
ejabberd_hooks:delete(webadmin_menu_host, Host, ?MODULE, web_menu_host, 50),
ejabberd_hooks:delete(webadmin_page_main, ?MODULE, web_page_main, 50),
ejabberd_hooks:delete(webadmin_page_host, Host, ?MODULE, web_page_host, 50).
reload(_Host, _NewOpts, _OldOpts) ->
ok.
depends(_Host, _Opts) ->
[{mod_muc, hard}].
%%%
%%% Register commands
%%%
get_commands_spec() ->
[
#ejabberd_commands{name = muc_online_rooms, tags = [muc],
desc = "List existing rooms ('global' to get all vhosts)",
policy = admin,
module = ?MODULE, function = muc_online_rooms,
args_desc = ["MUC service, or 'global' for all"],
args_example = ["muc.example.com"],
result_desc = "List of rooms",
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{service, binary}],
args_rename = [{host, service}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = muc_online_rooms_by_regex, tags = [muc],
desc = "List existing rooms ('global' to get all vhosts) by regex",
policy = admin,
module = ?MODULE, function = muc_online_rooms_by_regex,
args_desc = ["MUC service, or 'global' for all",
"Regex pattern for room name"],
args_example = ["muc.example.com", "^prefix"],
result_desc = "List of rooms with summary",
result_example = [{"room1@muc.example.com", "true", 10},
{"room2@muc.example.com", "false", 10}],
args = [{service, binary}, {regex, binary}],
args_rename = [{host, service}],
result = {rooms, {list, {room, {tuple,
[{jid, string},
{public, string},
{participants, integer}
]}}}}},
#ejabberd_commands{name = muc_register_nick, tags = [muc],
desc = "Register a nick to a User JID in a MUC service",
module = ?MODULE, function = muc_register_nick,
args_desc = ["Nick", "User JID", "Service"],
args_example = [<<"Tim">>, <<"tim@example.org">>, <<"muc.example.org">>],
args = [{nick, binary}, {jid, binary}, {service, binary}],
args_rename = [{host, service}],
result = {res, rescode}},
#ejabberd_commands{name = muc_unregister_nick, tags = [muc],
desc = "Unregister the nick registered by that account in the MUC service",
module = ?MODULE, function = muc_unregister_nick,
args_desc = ["User JID", "MUC service"],
args_example = [<<"tim@example.org">>, <<"muc.example.org">>],
args = [{jid, binary}, {service, binary}],
args_rename = [{host, service}],
result = {res, rescode}},
#ejabberd_commands{name = create_room, tags = [muc_room],
desc = "Create a MUC room name@service in host",
module = ?MODULE, function = create_room,
args_desc = ["Room name", "MUC service", "Server host"],
args_example = ["room1", "muc.example.com", "example.com"],
args = [{name, binary}, {service, binary},
{host, binary}],
result = {res, rescode}},
#ejabberd_commands{name = destroy_room, tags = [muc_room],
desc = "Destroy a MUC room",
module = ?MODULE, function = destroy_room,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
args = [{name, binary}, {service, binary}],
result = {res, rescode}},
#ejabberd_commands{name = create_rooms_file, tags = [muc],
desc = "Create the rooms indicated in file",
longdesc = "Provide one room JID per line. Rooms will be created after restart.",
module = ?MODULE, function = create_rooms_file,
args_desc = ["Path to the text file with one room JID per line"],
args_example = ["/home/ejabberd/rooms.txt"],
args = [{file, string}],
result = {res, rescode}},
#ejabberd_commands{name = create_room_with_opts, tags = [muc_room],
desc = "Create a MUC room name@service in host with given options",
module = ?MODULE, function = create_room_with_opts,
args_desc = ["Room name", "MUC service", "Server host", "List of options"],
args_example = ["room1", "muc.example.com", "localhost", [{"members_only","true"}]],
args = [{name, binary}, {service, binary},
{host, binary},
{options, {list,
{option, {tuple,
[{name, binary},
{value, binary}
]}}
}}],
result = {res, rescode}},
#ejabberd_commands{name = destroy_rooms_file, tags = [muc],
desc = "Destroy the rooms indicated in file",
longdesc = "Provide one room JID per line.",
module = ?MODULE, function = destroy_rooms_file,
args_desc = ["Path to the text file with one room JID per line"],
args_example = ["/home/ejabberd/rooms.txt"],
args = [{file, string}],
result = {res, rescode}},
#ejabberd_commands{name = rooms_unused_list, tags = [muc],
desc = "List the rooms that are unused for many days in the service",
longdesc = "The room recent history is used, so it's recommended "
" to wait a few days after service start before running this."
" The MUC service argument can be 'global' to get all hosts.",
module = ?MODULE, function = rooms_unused_list,
args_desc = ["MUC service, or 'global' for all", "Number of days"],
args_example = ["muc.example.com", 31],
result_desc = "List of unused rooms",
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{service, binary}, {days, integer}],
args_rename = [{host, service}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = rooms_unused_destroy, tags = [muc],
desc = "Destroy the rooms that are unused for many days in the service",
longdesc = "The room recent history is used, so it's recommended "
" to wait a few days after service start before running this."
" The MUC service argument can be 'global' to get all hosts.",
module = ?MODULE, function = rooms_unused_destroy,
args_desc = ["MUC service, or 'global' for all", "Number of days"],
args_example = ["muc.example.com", 31],
result_desc = "List of unused rooms that has been destroyed",
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{service, binary}, {days, integer}],
args_rename = [{host, service}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = rooms_empty_list, tags = [muc],
desc = "List the rooms that have no messages in archive",
longdesc = "The MUC service argument can be 'global' to get all hosts.",
module = ?MODULE, function = rooms_empty_list,
args_desc = ["MUC service, or 'global' for all"],
args_example = ["muc.example.com"],
result_desc = "List of empty rooms",
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{service, binary}],
args_rename = [{host, service}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = rooms_empty_destroy, tags = [muc],
desc = "Destroy the rooms that have no messages in archive",
longdesc = "The MUC service argument can be 'global' to get all hosts.",
module = ?MODULE, function = rooms_empty_destroy,
args_desc = ["MUC service, or 'global' for all"],
args_example = ["muc.example.com"],
result_desc = "List of empty rooms that have been destroyed",
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{service, binary}],
args_rename = [{host, service}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = get_user_rooms, tags = [muc],
desc = "Get the list of rooms where this user is occupant",
module = ?MODULE, function = get_user_rooms,
args_desc = ["Username", "Server host"],
args_example = ["tom", "example.com"],
result_example = ["room1@muc.example.com", "room2@muc.example.com"],
args = [{user, binary}, {host, binary}],
result = {rooms, {list, {room, string}}}},
#ejabberd_commands{name = get_user_subscriptions, tags = [muc],
desc = "Get the list of rooms where this user is subscribed",
note = "added in 21.04",
module = ?MODULE, function = get_user_subscriptions,
args_desc = ["Username", "Server host"],
args_example = ["tom", "example.com"],
result_example = [{"room1@muc.example.com", "Tommy", ["mucsub:config"]}],
args = [{user, binary}, {host, binary}],
result = {rooms,
{list,
{room,
{tuple,
[{roomjid, string},
{usernick, string},
{nodes, {list, {node, string}}}
]}}
}}},
#ejabberd_commands{name = get_room_occupants, tags = [muc_room],
desc = "Get the list of occupants of a MUC room",
module = ?MODULE, function = get_room_occupants,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
result_desc = "The list of occupants with JID, nick and affiliation",
result_example = [{"user1@example.com/psi", "User 1", "owner"}],
args = [{name, binary}, {service, binary}],
result = {occupants, {list,
{occupant, {tuple,
[{jid, string},
{nick, string},
{role, string}
]}}
}}},
#ejabberd_commands{name = get_room_occupants_number, tags = [muc_room],
desc = "Get the number of occupants of a MUC room",
module = ?MODULE, function = get_room_occupants_number,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
result_desc = "Number of room occupants",
result_example = 7,
args = [{name, binary}, {service, binary}],
result = {occupants, integer}},
#ejabberd_commands{name = send_direct_invitation, tags = [muc_room],
desc = "Send a direct invitation to several destinations",
longdesc = "Since ejabberd 20.10, this command is "
"asynchronous: the API call may return before the "
"server has send all the invitations.\n\n"
"Password and Message can also be: none. "
"Users JIDs are separated with : ",
module = ?MODULE, function = send_direct_invitation,
args_desc = ["Room name", "MUC service", "Password, or none",
"Reason text, or none", "Users JIDs separated with : characters"],
args_example = [<<"room1">>, <<"muc.example.com">>,
<<>>, <<"Check this out!">>,
"user2@localhost:user3@example.com"],
args = [{name, binary}, {service, binary}, {password, binary},
{reason, binary}, {users, binary}],
result = {res, rescode}},
#ejabberd_commands{name = change_room_option, tags = [muc_room],
desc = "Change an option in a MUC room",
module = ?MODULE, function = change_room_option,
args_desc = ["Room name", "MUC service", "Option name", "Value to assign"],
args_example = ["room1", "muc.example.com", "members_only", "true"],
args = [{name, binary}, {service, binary},
{option, binary}, {value, binary}],
result = {res, rescode}},
#ejabberd_commands{name = get_room_options, tags = [muc_room],
desc = "Get options from a MUC room",
module = ?MODULE, function = get_room_options,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
result_desc = "List of room options tuples with name and value",
result_example = [{"members_only", "true"}],
args = [{name, binary}, {service, binary}],
result = {options, {list,
{option, {tuple,
[{name, string},
{value, string}
]}}
}}},
#ejabberd_commands{name = subscribe_room, tags = [muc_room],
desc = "Subscribe to a MUC conference",
module = ?MODULE, function = subscribe_room,
args_desc = ["User JID", "a user's nick",
"the room to subscribe", "nodes separated by commas: ,"],
args_example = ["tom@localhost", "Tom", "room1@conference.localhost",
"urn:xmpp:mucsub:nodes:messages,urn:xmpp:mucsub:nodes:affiliations"],
result_desc = "The list of nodes that has subscribed",
result_example = ["urn:xmpp:mucsub:nodes:messages",
"urn:xmpp:mucsub:nodes:affiliations"],
args = [{user, binary}, {nick, binary}, {room, binary},
{nodes, binary}],
result = {nodes, {list, {node, string}}}},
#ejabberd_commands{name = unsubscribe_room, tags = [muc_room],
desc = "Unsubscribe from a MUC conference",
module = ?MODULE, function = unsubscribe_room,
args_desc = ["User JID", "the room to subscribe"],
args_example = ["tom@localhost", "room1@conference.localhost"],
args = [{user, binary}, {room, binary}],
result = {res, rescode}},
#ejabberd_commands{name = get_subscribers, tags = [muc_room],
desc = "List subscribers of a MUC conference",
module = ?MODULE, function = get_subscribers,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
result_desc = "The list of users that are subscribed to that room",
result_example = ["user2@example.com", "user3@example.com"],
args = [{name, binary}, {service, binary}],
result = {subscribers, {list, {jid, string}}}},
#ejabberd_commands{name = set_room_affiliation, tags = [muc_room],
desc = "Change an affiliation in a MUC room",
module = ?MODULE, function = set_room_affiliation,
args_desc = ["Room name", "MUC service", "User JID", "Affiliation to set"],
args_example = ["room1", "muc.example.com", "user2@example.com", "member"],
args = [{name, binary}, {service, binary},
{jid, binary}, {affiliation, binary}],
result = {res, rescode}},
#ejabberd_commands{name = get_room_affiliations, tags = [muc_room],
desc = "Get the list of affiliations of a MUC room",
module = ?MODULE, function = get_room_affiliations,
args_desc = ["Room name", "MUC service"],
args_example = ["room1", "muc.example.com"],
result_desc = "The list of affiliations with username, domain, affiliation and reason",
result_example = [{"user1", "example.com", member, "member"}],
args = [{name, binary}, {service, binary}],
result = {affiliations, {list,
{affiliation, {tuple,
[{username, string},
{domain, string},
{affiliation, atom},
{reason, string}
]}}
}}},
#ejabberd_commands{name = get_room_affiliation, tags = [muc_room],
desc = "Get affiliation of a user in MUC room",
module = ?MODULE, function = get_room_affiliation,
args_desc = ["Room name", "MUC service", "User JID"],
args_example = ["room1", "muc.example.com", "user1@example.com"],
result_desc = "Affiliation of the user",
result_example = member,
args = [{name, binary}, {service, binary}, {jid, binary}],
result = {affiliation, atom}}
].
%%%
%%% ejabberd commands
%%%
muc_online_rooms(ServiceArg) ->
Hosts = find_services(ServiceArg),
lists:flatmap(
fun(Host) ->
[<<Name/binary, "@", Host/binary>>
|| {Name, _, _} <- mod_muc:get_online_rooms(Host)]
end, Hosts).
muc_online_rooms_by_regex(ServiceArg, Regex) ->
{_, P} = re:compile(Regex),
Hosts = find_services(ServiceArg),
lists:flatmap(
fun(Host) ->
[build_summary_room(Name, RoomHost, Pid)
|| {Name, RoomHost, Pid} <- mod_muc:get_online_rooms(Host),
is_name_match(Name, P)]
end, Hosts).
is_name_match(Name, P) ->
case re:run(Name, P) of
{match, _} -> true;
nomatch -> false
end.
build_summary_room(Name, Host, Pid) ->
C = get_room_config(Pid),
Public = C#config.public,
S = get_room_state(Pid),
Participants = maps:size(S#state.users),
{<<Name/binary, "@", Host/binary>>,
misc:atom_to_binary(Public),
Participants
}.
muc_register_nick(Nick, FromBinary, Service) ->
try {get_room_serverhost(Service), jid:decode(FromBinary)} of
{ServerHost, From} ->
Lang = <<"en">>,
case mod_muc:iq_set_register_info(ServerHost, Service, From, Nick, Lang) of
{result, undefined} -> ok;
{error, #stanza_error{reason = 'conflict'}} ->
throw({error, "Nick already registered"});
{error, _} ->
throw({error, "Database error"})
end
catch
error:{invalid_domain, _} ->
throw({error, "Invalid 'service'"});
error:{unregistered_route, _} ->
throw({error, "Invalid 'service'"});
error:{bad_jid, _} ->
throw({error, "Invalid 'jid'"});
_ ->
throw({error, "Internal error"})
end.
muc_unregister_nick(FromBinary, Service) ->
muc_register_nick(<<"">>, FromBinary, Service).
get_user_rooms(User, Server) ->
lists:flatmap(
fun(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
Rooms = mod_muc:get_online_rooms_by_user(
ServerHost, jid:nodeprep(User), jid:nodeprep(Server)),
[<<Name/binary, "@", Host/binary>>
|| {Name, Host} <- Rooms];
false ->
[]
end
end, ejabberd_option:hosts()).
get_user_subscriptions(User, Server) ->
Services = find_services(global),
UserJid = jid:make(jid:nodeprep(User), jid:nodeprep(Server)),
lists:flatmap(
fun(ServerHost) ->
{ok, Rooms} = mod_muc:get_subscribed_rooms(ServerHost, UserJid),
[{jid:encode(RoomJid), UserNick, Nodes}
|| {RoomJid, UserNick, Nodes} <- Rooms]
end, Services).
%%----------------------------
%% Ad-hoc commands
%%----------------------------
%%----------------------------
%% Web Admin
%%----------------------------
%%---------------
%% Web Admin Menu
web_menu_main(Acc, Lang) ->
Acc ++ [{<<"muc">>, translate:translate(Lang, ?T("Multi-User Chat"))}].
web_menu_host(Acc, _Host, Lang) ->
Acc ++ [{<<"muc">>, translate:translate(Lang, ?T("Multi-User Chat"))}].
%%---------------
%% Web Admin Page
-define(TDTD(L, N),
?XE(<<"tr">>, [?XCT(<<"td">>, L),
?XC(<<"td">>, integer_to_binary(N))
])).
web_page_main(_, #request{path=[<<"muc">>], lang = Lang} = _Request) ->
OnlineRoomsNumber = lists:foldl(
fun(Host, Acc) ->
Acc + mod_muc:count_online_rooms(Host)
end, 0, find_hosts(global)),
PageTitle = translate:translate(Lang, ?T("Multi-User Chat")),
Res = ?H1GL(PageTitle, <<"modules/#mod-muc">>, <<"mod_muc">>) ++
[?XCT(<<"h3">>, ?T("Statistics")),
?XAE(<<"table">>, [],
[?XE(<<"tbody">>, [?TDTD(?T("Total rooms"), OnlineRoomsNumber)
])
]),
?XE(<<"ul">>, [?LI([?ACT(<<"rooms/">>, ?T("List of rooms"))])])
],
{stop, Res};
web_page_main(_, #request{path=[<<"muc">>, <<"rooms">>], q = Q, lang = Lang} = _Request) ->
Sort_query = get_sort_query(Q),
Res = make_rooms_page(global, Lang, Sort_query),
{stop, Res};
web_page_main(Acc, _) -> Acc.
web_page_host(_, Host,
#request{path = [<<"muc">>],
q = Q,
lang = Lang} = _Request) ->
Sort_query = get_sort_query(Q),
Res = make_rooms_page(Host, Lang, Sort_query),
{stop, Res};
web_page_host(Acc, _, _) -> Acc.
%% Returns: {normal | reverse, Integer}
get_sort_query(Q) ->
case catch get_sort_query2(Q) of
{ok, Res} -> Res;
_ -> {normal, 1}
end.
get_sort_query2(Q) ->
{value, {_, Binary}} = lists:keysearch(<<"sort">>, 1, Q),
Integer = list_to_integer(string:strip(binary_to_list(Binary), right, $/)),
case Integer >= 0 of
true -> {ok, {normal, Integer}};
false -> {ok, {reverse, abs(Integer)}}
end.
make_rooms_page(Host, Lang, {Sort_direction, Sort_column}) ->
Service = find_service(Host),
Rooms_names = get_online_rooms(Service),
Rooms_infos = build_info_rooms(Rooms_names),
Rooms_sorted = sort_rooms(Sort_direction, Sort_column, Rooms_infos),
Rooms_prepared = prepare_rooms_infos(Rooms_sorted),
TList = lists:map(
fun(Room) ->
?XE(<<"tr">>, [?XC(<<"td">>, E) || E <- Room])
end, Rooms_prepared),
Titles = [?T("Jabber ID"),
?T("# participants"),
?T("Last message"),
?T("Public"),
?T("Persistent"),
?T("Logging"),
?T("Just created"),
?T("Room title"),
?T("Node")],
{Titles_TR, _} =
lists:mapfoldl(
fun(Title, Num_column) ->
NCS = integer_to_binary(Num_column),
TD = ?XE(<<"td">>, [?CT(Title),
?C(<<" ">>),
?AC(<<"?sort=", NCS/binary>>, <<"<">>),
?C(<<" ">>),
?AC(<<"?sort=-", NCS/binary>>, <<">">>)]),
{TD, Num_column+1}
end,
1,
Titles),
PageTitle = translate:translate(Lang, ?T("Multi-User Chat")),
?H1GL(PageTitle, <<"modules/#mod-muc">>, <<"mod_muc">>) ++
[?XCT(<<"h2">>, ?T("Chatrooms")),
?XE(<<"table">>,
[?XE(<<"thead">>,
[?XE(<<"tr">>, Titles_TR)]
),
?XE(<<"tbody">>, TList)
]
)
].
sort_rooms(Direction, Column, Rooms) ->
Rooms2 = lists:keysort(Column, Rooms),
case Direction of
normal -> Rooms2;
reverse -> lists:reverse(Rooms2)
end.
build_info_rooms(Rooms) ->
[build_info_room(Room) || Room <- Rooms].
build_info_room({Name, Host, _ServerHost, Pid}) ->
C = get_room_config(Pid),
Title = C#config.title,
Public = C#config.public,
Persistent = C#config.persistent,
Logging = C#config.logging,
S = get_room_state(Pid),
Just_created = S#state.just_created,
Num_participants = maps:size(S#state.users),
Node = node(Pid),
History = (S#state.history)#lqueue.queue,
Ts_last_message =
case p1_queue:is_empty(History) of
true ->
<<"A long time ago">>;
false ->
Last_message1 = get_queue_last(History),
{_, _, _, Ts_last, _} = Last_message1,
xmpp_util:encode_timestamp(Ts_last)
end,
{<<Name/binary, "@", Host/binary>>,
Num_participants,
Ts_last_message,
Public,
Persistent,
Logging,
Just_created,
Title,
Node}.
get_queue_last(Queue) ->
List = p1_queue:to_list(Queue),
lists:last(List).
prepare_rooms_infos(Rooms) ->
[prepare_room_info(Room) || Room <- Rooms].
prepare_room_info(Room_info) ->
{NameHost,
Num_participants,
Ts_last_message,
Public,
Persistent,
Logging,
Just_created,
Title,
Node} = Room_info,
[NameHost,
integer_to_binary(Num_participants),
Ts_last_message,
misc:atom_to_binary(Public),
misc:atom_to_binary(Persistent),
misc:atom_to_binary(Logging),
justcreated_to_binary(Just_created),
Title,
misc:atom_to_binary(Node)].
justcreated_to_binary(J) when is_integer(J) ->
JNow = misc:usec_to_now(J),
{{Year, Month, Day}, {Hour, Minute, Second}} = calendar:now_to_local_time(JNow),
str:format("~w-~.2.0w-~.2.0w ~.2.0w:~.2.0w:~.2.0w",
[Year, Month, Day, Hour, Minute, Second]);
justcreated_to_binary(J) when is_atom(J) ->
misc:atom_to_binary(J).
%%----------------------------
%% Create/Delete Room
%%----------------------------
%% @spec (Name::binary(), Host::binary(), ServerHost::binary()) ->
%% ok | error
%% @doc Create a room immediately with the default options.
create_room(Name1, Host1, ServerHost) ->
create_room_with_opts(Name1, Host1, ServerHost, []).
create_room_with_opts(Name1, Host1, ServerHost1, CustomRoomOpts) ->
case {jid:nodeprep(Name1), jid:nodeprep(Host1), jid:nodeprep(ServerHost1)} of
{error, _, _} ->
throw({error, "Invalid 'name'"});
{_, error, _} ->
throw({error, "Invalid 'host'"});
{_, _, error} ->
throw({error, "Invalid 'serverhost'"});
{Name, Host, ServerHost} ->
case get_room_pid(Name, Host) of
room_not_found ->
%% Get the default room options from the muc configuration
DefRoomOpts = mod_muc_opt:default_room_options(ServerHost),
%% Change default room options as required
FormattedRoomOpts = [format_room_option(Opt, Val) || {Opt, Val}<-CustomRoomOpts],
RoomOpts = lists:ukeymerge(1,
lists:keysort(1, FormattedRoomOpts),
lists:keysort(1, DefRoomOpts)),
case mod_muc:create_room(Host, Name, RoomOpts) of
ok ->
ok;
{error, _} ->
throw({error, "Unable to start room"})
end;
_ ->
throw({error, "Room already exists"})
end
end.
%% Create the room only in the database.
%% It is required to restart the MUC service for the room to appear.
muc_create_room(ServerHost, {Name, Host, _}, DefRoomOpts) ->
io:format("Creating room ~ts@~ts~n", [Name, Host]),
mod_muc:store_room(ServerHost, Host, Name, DefRoomOpts).
%% @spec (Name::binary(), Host::binary()) ->
%% ok | {error, room_not_exists}
%% @doc Destroy the room immediately.
%% If the room has participants, they are not notified that the room was destroyed;
%% they will notice when they try to chat and receive an error that the room doesn't exist.
destroy_room(Name1, Service1) ->
case {jid:nodeprep(Name1), jid:nodeprep(Service1)} of
{error, _} ->
throw({error, "Invalid 'name'"});
{_, error} ->
throw({error, "Invalid 'service'"});
{Name, Service} ->
case get_room_pid(Name, Service) of
room_not_found ->
throw({error, "Room doesn't exists"});
invalid_service ->
throw({error, "Invalid 'service'"});
Pid ->
mod_muc_room:destroy(Pid),
ok
end
end.
destroy_room({N, H, SH}) ->
io:format("Destroying room: ~ts@~ts - vhost: ~ts~n", [N, H, SH]),
destroy_room(N, H).
%%----------------------------
%% Destroy Rooms in File
%%----------------------------
%% The format of the file is: one chatroom JID per line
%% The file encoding must be UTF-8
destroy_rooms_file(Filename) ->
{ok, F} = file:open(Filename, [read]),
RJID = read_room(F),
Rooms = read_rooms(F, RJID, []),
file:close(F),
[destroy_room(A) || A <- Rooms],
ok.
read_rooms(_F, eof, L) ->
L;
read_rooms(F, no_room, L) ->
RJID2 = read_room(F),
read_rooms(F, RJID2, L);
read_rooms(F, RJID, L) ->
RJID2 = read_room(F),
read_rooms(F, RJID2, [RJID | L]).
read_room(F) ->
case io:get_line(F, "") of
eof -> eof;
String ->
case io_lib:fread("~ts", String) of
{ok, [RoomJID], _} -> split_roomjid(list_to_binary(RoomJID));
{error, What} ->
io:format("Parse error: what: ~p~non the line: ~p~n~n", [What, String])
end
end.
%% This function is quite rudimentary
%% and may not be accurate
split_roomjid(RoomJID) ->
split_roomjid2(binary:split(RoomJID, <<"@">>)).
split_roomjid2([Name, Host]) ->
[_MUC_service_name, ServerHost] = binary:split(Host, <<".">>),
{Name, Host, ServerHost};
split_roomjid2(_) ->
no_room.
%%----------------------------
%% Create Rooms in File
%%----------------------------
create_rooms_file(Filename) ->
{ok, F} = file:open(Filename, [read]),
RJID = read_room(F),
Rooms = read_rooms(F, RJID, []),
file:close(F),
%% Read the default room options defined for the first virtual host
DefRoomOpts = mod_muc_opt:default_room_options(ejabberd_config:get_myname()),
[muc_create_room(ejabberd_config:get_myname(), A, DefRoomOpts) || A <- Rooms],
ok.
%%---------------------------------
%% List/Delete Unused/Empty Rooms
%%---------------------------------
%%---------------
%% Control
rooms_unused_list(Service, Days) ->
rooms_report(unused, list, Service, Days).
rooms_unused_destroy(Service, Days) ->
rooms_report(unused, destroy, Service, Days).
rooms_empty_list(Service) ->
rooms_report(empty, list, Service, 0).
rooms_empty_destroy(Service) ->
rooms_report(empty, destroy, Service, 0).
rooms_report(Method, Action, Service, Days) ->
{NA, NP, RP} = muc_unused(Method, Action, Service, Days),
io:format("rooms ~ts: ~p out of ~p~n", [Method, NP, NA]),
[<<R/binary, "@", H/binary>> || {R, H, _SH, _P} <- RP].
muc_unused(Method, Action, Service, Last_allowed) ->
%% Get all required info about all existing rooms
Rooms_all = get_all_rooms(Service),
%% Decide which ones pass the requirements
Rooms_pass = decide_rooms(Method, Rooms_all, Last_allowed),
Num_rooms_all = length(Rooms_all),
Num_rooms_pass = length(Rooms_pass),
%% Perform the desired action for matching rooms
act_on_rooms(Method, Action, Rooms_pass),
{Num_rooms_all, Num_rooms_pass, Rooms_pass}.
%%---------------
%% Get info
get_online_rooms(ServiceArg) ->
Hosts = find_services(ServiceArg),
lists:flatmap(
fun(Host) ->
ServerHost = get_room_serverhost(Host),
[{RoomName, RoomHost, ServerHost, Pid}
|| {RoomName, RoomHost, Pid} <- mod_muc:get_online_rooms(Host)]
end, Hosts).
get_all_rooms(Host) ->
ServerHost = ejabberd_router:host_of_route(Host),
OnlineRooms = get_online_rooms(Host),
OnlineMap = lists:foldl(
fun({Room, _, _, _}, Map) ->
Map#{Room => 1}
end, #{}, OnlineRooms),
Mod = gen_mod:db_mod(ServerHost, mod_muc),
DbRooms =
case erlang:function_exported(Mod, get_rooms_without_subscribers, 2) of
true ->
Mod:get_rooms_without_subscribers(ServerHost, Host);
_ ->
Mod:get_rooms(ServerHost, Host)
end,
StoredRooms = lists:filtermap(
fun(#muc_room{name_host = {Room, _}, opts = Opts}) ->
case maps:is_key(Room, OnlineMap) of
true ->
false;
_ ->
{true, {Room, Host, ServerHost, Opts}}
end
end, DbRooms),
OnlineRooms ++ StoredRooms.
get_room_config(Room_pid) ->
{ok, R} = mod_muc_room:get_config(Room_pid),
R.
get_room_state(Room_pid) ->
{ok, R} = mod_muc_room:get_state(Room_pid),
R.
%%---------------
%% Decide
decide_rooms(Method, Rooms, Last_allowed) ->
Decide = fun(R) -> decide_room(Method, R, Last_allowed) end,
lists:filter(Decide, Rooms).
decide_room(unused, {_Room_name, _Host, ServerHost, Room_pid}, Last_allowed) ->
NodeStartTime = erlang:system_time(microsecond) -
1000000*(erlang:monotonic_time(second)-ejabberd_config:get_node_start()),
OnlyHibernated = case mod_muc_opt:hibernation_timeout(ServerHost) of
Value when Value < Last_allowed*24*60*60*1000 ->
true;
_ ->
false
end,
{Just_created, Num_users} =
case Room_pid of
Pid when is_pid(Pid) andalso OnlyHibernated ->
{erlang:system_time(microsecond), 0};
Pid when is_pid(Pid) ->
case mod_muc_room:get_state(Room_pid) of
{ok, #state{just_created = JC, users = U}} ->
{JC, maps:size(U)};
_ ->
{erlang:system_time(microsecond), 0}
end;
Opts ->
case lists:keyfind(hibernation_time, 1, Opts) of
false ->
{NodeStartTime, 0};
{_, T} ->
{T, 0}
end
end,
Last = case Just_created of
true ->
0;
_ ->
(erlang:system_time(microsecond)
- Just_created) div 1000000
end,
case {Num_users, seconds_to_days(Last)} of
{0, Last_days} when (Last_days >= Last_allowed) ->
true;
_ ->
false
end;
decide_room(empty, {Room_name, Host, ServerHost, Room_pid}, _Last_allowed) ->
case gen_mod:is_loaded(ServerHost, mod_mam) of
true ->
Room_options = case Room_pid of
_ when is_pid(Room_pid) ->
get_room_options(Room_pid);
Opts ->
Opts
end,
case lists:keyfind(<<"mam">>, 1, Room_options) of
{<<"mam">>, <<"true">>} ->
mod_mam:is_empty_for_room(ServerHost, Room_name, Host);
_ ->
false
end;
_ ->
false
end.
seconds_to_days(S) ->
S div (60*60*24).
%%---------------
%% Act
act_on_rooms(Method, Action, Rooms) ->
Delete = fun(Room) ->
act_on_room(Method, Action, Room)
end,
lists:foreach(Delete, Rooms).
act_on_room(Method, destroy, {N, H, _SH, Pid}) ->
Message = iolist_to_binary(io_lib:format(
<<"Room destroyed by rooms_~s_destroy.">>, [Method])),
case Pid of
V when is_pid(V) ->
mod_muc_room:destroy(Pid, Message);
_ ->
case get_room_pid(N, H) of
Pid2 when is_pid(Pid2) ->
mod_muc_room:destroy(Pid2, Message);
_ ->
ok
end
end;
act_on_room(_Method, list, _) ->
ok.
%%----------------------------
%% Change Room Option
%%----------------------------
get_room_occupants(Room, Host) ->
case get_room_pid(Room, Host) of
Pid when is_pid(Pid) -> get_room_occupants(Pid);
_ -> throw({error, room_not_found})
end.
get_room_occupants(Pid) ->
S = get_room_state(Pid),
lists:map(
fun({_LJID, Info}) ->
{jid:encode(Info#user.jid),
Info#user.nick,
atom_to_list(Info#user.role)}
end,
maps:to_list(S#state.users)).
get_room_occupants_number(Room, Host) ->
case get_room_pid(Room, Host) of
Pid when is_pid(Pid )->
S = get_room_state(Pid),
maps:size(S#state.users);
_ ->
throw({error, room_not_found})
end.
%%----------------------------
%% Send Direct Invitation
%%----------------------------
%% http://xmpp.org/extensions/xep-0249.html
send_direct_invitation(RoomName, RoomService, Password, Reason, UsersString) ->
case jid:make(RoomName, RoomService) of
error ->
throw({error, "Invalid 'roomname' or 'service'"});
RoomJid ->
XmlEl = build_invitation(Password, Reason, RoomJid),
Users = get_users_to_invite(RoomJid, UsersString),
[send_direct_invitation(RoomJid, UserJid, XmlEl)
|| UserJid <- Users],
ok
end.
get_users_to_invite(RoomJid, UsersString) ->
UsersStrings = binary:split(UsersString, <<":">>, [global]),
OccupantsTuples = get_room_occupants(RoomJid#jid.luser,
RoomJid#jid.lserver),
OccupantsJids = [jid:decode(JidString)
|| {JidString, _Nick, _} <- OccupantsTuples],
lists:filtermap(
fun(UserString) ->
UserJid = jid:decode(UserString),
Val = lists:all(fun(OccupantJid) ->
UserJid#jid.luser /= OccupantJid#jid.luser
orelse UserJid#jid.lserver /= OccupantJid#jid.lserver
end,
OccupantsJids),
case {UserJid#jid.luser, Val} of
{<<>>, _} -> false;
{_, true} -> {true, UserJid};
_ -> false
end
end,
UsersStrings).
build_invitation(Password, Reason, RoomJid) ->
Invite = #x_conference{jid = RoomJid,
password = case Password of
<<"none">> -> <<>>;
_ -> Password
end,
reason = case Reason of
<<"none">> -> <<>>;
_ -> Reason
end},
#message{sub_els = [Invite]}.
send_direct_invitation(FromJid, UserJid, Msg) ->
ejabberd_router:route(xmpp:set_from_to(Msg, FromJid, UserJid)).
%%----------------------------
%% Change Room Option
%%----------------------------
%% @spec(Name::string(), Service::string(), Option::string(), Value) -> ok
%% Value = atom() | integer() | string()
%% @doc Change an option in an existing room.
%% Requires the name of the room, the MUC service where it exists,
%% the option to change (for example title or max_users),
%% and the value to assign to the new option.
%% For example:
%% `change_room_option(<<"testroom">>, <<"conference.localhost">>, <<"title">>, <<"Test Room">>)'
change_room_option(Name, Service, OptionString, ValueString) ->
case get_room_pid(Name, Service) of
room_not_found ->
throw({error, "Room not found"});
invalid_service ->
throw({error, "Invalid 'service'"});
Pid ->
{Option, Value} = format_room_option(OptionString, ValueString),
change_room_option(Pid, Option, Value)
end.
change_room_option(Pid, Option, Value) ->
case {Option,
gen_mod:is_loaded((get_room_state(Pid))#state.server_host, mod_muc_log)} of
{logging, false} ->
mod_muc_log_not_enabled;
_ ->
Config = get_room_config(Pid),
Config2 = change_option(Option, Value, Config),
{ok, _} = mod_muc_room:set_config(Pid, Config2),
ok
end.
format_room_option(OptionString, ValueString) ->
Option = misc:binary_to_atom(OptionString),
Value = case Option of
title -> ValueString;
description -> ValueString;
password -> ValueString;
subject ->ValueString;
subject_author ->ValueString;
presence_broadcast ->misc:expr_to_term(ValueString);
max_users -> binary_to_integer(ValueString);
voice_request_min_interval -> binary_to_integer(ValueString);
vcard -> ValueString;
vcard_xupdate when ValueString /= <<"undefined">>,
ValueString /= <<"external">> ->
ValueString;
lang -> ValueString;
pubsub -> ValueString;
_ -> misc:binary_to_atom(ValueString)
end,
{Option, Value}.
%% @doc Get the Pid of an existing MUC room, or 'room_not_found'.
-spec get_room_pid(binary(), binary()) -> pid() | room_not_found | invalid_service.
get_room_pid(Name, Service) ->
try get_room_serverhost(Service) of
ServerHost ->
case mod_muc:unhibernate_room(ServerHost, Service, Name) of
error ->
room_not_found;
{ok, Pid} ->
Pid
end
catch
error:{invalid_domain, _} ->
invalid_service;
error:{unregistered_route, _} ->
invalid_service
end.
%% It is required to put explicitly all the options because
%% the record elements are replaced at compile time.
%% So, this can't be parametrized.
change_option(Option, Value, Config) ->
case Option of
allow_change_subj -> Config#config{allow_change_subj = Value};
allow_private_messages -> Config#config{allow_private_messages = Value};
allow_private_messages_from_visitors -> Config#config{allow_private_messages_from_visitors = Value};
allow_query_users -> Config#config{allow_query_users = Value};
allow_subscription -> Config#config{allow_subscription = Value};
allow_user_invites -> Config#config{allow_user_invites = Value};
allow_visitor_nickchange -> Config#config{allow_visitor_nickchange = Value};
allow_visitor_status -> Config#config{allow_visitor_status = Value};
allow_voice_requests -> Config#config{allow_voice_requests = Value};
anonymous -> Config#config{anonymous = Value};
captcha_protected -> Config#config{captcha_protected = Value};
description -> Config#config{description = Value};
logging -> Config#config{logging = Value};
mam -> Config#config{mam = Value};
max_users -> Config#config{max_users = Value};
members_by_default -> Config#config{members_by_default = Value};
members_only -> Config#config{members_only = Value};
moderated -> Config#config{moderated = Value};
password -> Config#config{password = Value};
password_protected -> Config#config{password_protected = Value};
persistent -> Config#config{persistent = Value};
presence_broadcast -> Config#config{presence_broadcast = Value};
public -> Config#config{public = Value};
public_list -> Config#config{public_list = Value};
title -> Config#config{title = Value};
vcard -> Config#config{vcard = Value};
voice_request_min_interval -> Config#config{voice_request_min_interval = Value}
end.
%%----------------------------
%% Get Room Options
%%----------------------------
get_room_options(Name, Service) ->
case get_room_pid(Name, Service) of
Pid when is_pid(Pid) -> get_room_options(Pid);
_ -> []
end.
get_room_options(Pid) ->
Config = get_room_config(Pid),
get_options(Config).
get_options(Config) ->
Fields = [misc:atom_to_binary(Field) || Field <- record_info(fields, config)],
[config | ValuesRaw] = tuple_to_list(Config),
Values = lists:map(fun(V) when is_atom(V) -> misc:atom_to_binary(V);
(V) when is_integer(V) -> integer_to_binary(V);
(V) when is_tuple(V); is_list(V) -> list_to_binary(hd(io_lib:format("~w", [V])));
(V) -> V end, ValuesRaw),
lists:zip(Fields, Values).
%%----------------------------
%% Get Room Affiliations
%%----------------------------
%% @spec(Name::binary(), Service::binary()) ->
%% [{JID::string(), Domain::string(), Role::string(), Reason::string()}]
%% @doc Get the affiliations of the room Name@Service.
get_room_affiliations(Name, Service) ->
case get_room_pid(Name, Service) of
Pid when is_pid(Pid) ->
%% Get the PID of the online room, then request its state
{ok, StateData} = mod_muc_room:get_state(Pid),
Affiliations = maps:to_list(StateData#state.affiliations),
lists:map(
fun({{Uname, Domain, _Res}, {Aff, Reason}}) when is_atom(Aff)->
{Uname, Domain, Aff, Reason};
({{Uname, Domain, _Res}, Aff}) when is_atom(Aff)->
{Uname, Domain, Aff, <<>>}
end, Affiliations);
_ ->
throw({error, "The room does not exist."})
end.
%%----------------------------
%% Get Room Affiliation
%%----------------------------
%% @spec(Name::binary(), Service::binary(), JID::binary()) ->
%% {Affiliation::string()}
%% @doc Get affiliation of a user in the room Name@Service.
get_room_affiliation(Name, Service, JID) ->
case get_room_pid(Name, Service) of
Pid when is_pid(Pid) ->
%% Get the PID of the online room, then request its state
{ok, StateData} = mod_muc_room:get_state(Pid),
UserJID = jid:decode(JID),
mod_muc_room:get_affiliation(UserJID, StateData);
_ ->
throw({error, "The room does not exist."})
end.
%%----------------------------
%% Change Room Affiliation
%%----------------------------
%% @spec(Name, Service, JID, AffiliationString) -> ok | {error, Error}
%% Name = binary()
%% Service = binary()
%% JID = binary()
%% AffiliationString = "outcast" | "none" | "member" | "admin" | "owner"
%% @doc Set the affiliation of JID in the room Name@Service.
%% If the affiliation is 'none', the action is to remove,
%% In any other case the action will be to create the affiliation.
set_room_affiliation(Name, Service, JID, AffiliationString) ->
Affiliation = case AffiliationString of
<<"outcast">> -> outcast;
<<"none">> -> none;
<<"member">> -> member;
<<"admin">> -> admin;
<<"owner">> -> owner;
_ ->
throw({error, "Invalid affiliation"})
end,
case get_room_pid(Name, Service) of
Pid when is_pid(Pid) ->
%% Get the PID for the online room so we can get the state of the room
case mod_muc_room:change_item(Pid, jid:decode(JID), affiliation, Affiliation, <<"">>) of
{ok, _} ->
ok;
{error, notfound} ->
throw({error, "Room doesn't exists"});
{error, _} ->
throw({error, "Unable to perform change"})
end;
room_not_found ->
throw({error, "Room doesn't exists"});
invalid_service ->
throw({error, "Invalid 'service'"})
end.
%%%
%%% MUC Subscription
%%%
subscribe_room(_User, Nick, _Room, _Nodes) when Nick == <<"">> ->
throw({error, "Nickname must be set"});
subscribe_room(User, Nick, Room, Nodes) ->
NodeList = re:split(Nodes, "\\h*,\\h*"),
try jid:decode(Room) of
#jid{luser = Name, lserver = Host} when Name /= <<"">> ->
try jid:decode(User) of
UserJID1 ->
UserJID = jid:replace_resource(UserJID1, <<"modmucadmin">>),
case get_room_pid(Name, Host) of
Pid when is_pid(Pid) ->
case mod_muc_room:subscribe(
Pid, UserJID, Nick, NodeList) of
{ok, SubscribedNodes} ->
SubscribedNodes;
{error, Reason} ->
throw({error, binary_to_list(Reason)})
end;
_ ->
throw({error, "The room does not exist"})
end
catch _:{bad_jid, _} ->
throw({error, "Malformed user JID"})
end;
_ ->
throw({error, "Malformed room JID"})
catch _:{bad_jid, _} ->
throw({error, "Malformed room JID"})
end.
unsubscribe_room(User, Room) ->
try jid:decode(Room) of
#jid{luser = Name, lserver = Host} when Name /= <<"">> ->
try jid:decode(User) of
UserJID ->
case get_room_pid(Name, Host) of
Pid when is_pid(Pid) ->
case mod_muc_room:unsubscribe(Pid, UserJID) of
ok ->
ok;
{error, Reason} ->
throw({error, binary_to_list(Reason)})
end;
_ ->
throw({error, "The room does not exist"})
end
catch _:{bad_jid, _} ->
throw({error, "Malformed user JID"})
end;
_ ->
throw({error, "Malformed room JID"})
catch _:{bad_jid, _} ->
throw({error, "Malformed room JID"})
end.
get_subscribers(Name, Host) ->
case get_room_pid(Name, Host) of
Pid when is_pid(Pid) ->
{ok, JIDList} = mod_muc_room:get_subscribers(Pid),
[jid:encode(jid:remove_resource(J)) || J <- JIDList];
_ ->
throw({error, "The room does not exist"})
end.
%%----------------------------
%% Utils
%%----------------------------
find_service(global) ->
global;
find_service(ServerHost) ->
hd(gen_mod:get_module_opt_hosts(ServerHost, mod_muc)).
find_services(Global) when Global == global;
Global == <<"global">> ->
lists:flatmap(
fun(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
[find_service(ServerHost)];
false ->
[]
end
end, ejabberd_option:hosts());
find_services(Service) when is_binary(Service) ->
[Service].
get_room_serverhost(Service) when is_binary(Service) ->
ejabberd_router:host_of_route(Service).
find_host(ServerHost) ->
hd(gen_mod:get_module_opt_hosts(ServerHost, mod_muc)).
find_hosts(Global) when Global == global;
Global == <<"global">> ->
lists:flatmap(
fun(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
[find_host(ServerHost)];
false ->
[]
end
end, ejabberd_option:hosts());
find_hosts(ServerHost) ->
case gen_mod:is_loaded(ServerHost, mod_muc) of
true ->
[find_host(ServerHost)];
false ->
[]
end.
mod_options(_) -> [].
mod_doc() ->
#{desc =>
[?T("This module provides commands to administer local MUC "
"services and their MUC rooms. It also provides simple "
"WebAdmin pages to view the existing rooms."), "",
?T("This module depends on 'mod_muc'.")]}.
