mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-26 17:38:45 +01:00
110 lines
3.6 KiB
Erlang
110 lines
3.6 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : mod_time.erl
|
|
%%% Author : Alexey Shchepin <alexey@process-one.net>
|
|
%%% Purpose :
|
|
%%% Purpose :
|
|
%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2014 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_time).
|
|
|
|
-author('alexey@process-one.net').
|
|
|
|
-behaviour(gen_mod).
|
|
|
|
-export([start/2, stop/1, process_local_iq90/3,
|
|
process_local_iq/3]).
|
|
|
|
% TODO: Remove once XEP-0090 is Obsolete
|
|
|
|
-include("ejabberd.hrl").
|
|
-include("logger.hrl").
|
|
|
|
-include("jlib.hrl").
|
|
|
|
start(Host, Opts) ->
|
|
IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
|
|
one_queue),
|
|
gen_iq_handler:add_iq_handler(ejabberd_local, Host,
|
|
?NS_TIME90, ?MODULE, process_local_iq90,
|
|
IQDisc),
|
|
gen_iq_handler:add_iq_handler(ejabberd_local, Host,
|
|
?NS_TIME, ?MODULE, process_local_iq, IQDisc).
|
|
|
|
stop(Host) ->
|
|
gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
|
|
?NS_TIME90),
|
|
gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
|
|
?NS_TIME).
|
|
|
|
%% TODO: Remove this function once XEP-0090 is Obsolete
|
|
process_local_iq90(_From, _To,
|
|
#iq{type = Type, sub_el = SubEl} = IQ) ->
|
|
case Type of
|
|
set ->
|
|
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
|
|
get ->
|
|
UTC = jlib:timestamp_to_iso(calendar:universal_time()),
|
|
IQ#iq{type = result,
|
|
sub_el =
|
|
[#xmlel{name = <<"query">>,
|
|
attrs = [{<<"xmlns">>, ?NS_TIME90}],
|
|
children =
|
|
[#xmlel{name = <<"utc">>, attrs = [],
|
|
children = [{xmlcdata, UTC}]}]}]}
|
|
end.
|
|
|
|
process_local_iq(_From, _To,
|
|
#iq{type = Type, sub_el = SubEl} = IQ) ->
|
|
case Type of
|
|
set ->
|
|
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
|
|
get ->
|
|
Now = now(),
|
|
Now_universal = calendar:now_to_universal_time(Now),
|
|
Now_local = calendar:now_to_local_time(Now),
|
|
{UTC, UTC_diff} = jlib:timestamp_to_iso(Now_universal,
|
|
utc),
|
|
Seconds_diff =
|
|
calendar:datetime_to_gregorian_seconds(Now_local) -
|
|
calendar:datetime_to_gregorian_seconds(Now_universal),
|
|
{Hd, Md, _} =
|
|
calendar:seconds_to_time(abs(Seconds_diff)),
|
|
{_, TZO_diff} = jlib:timestamp_to_iso({{0, 1, 1},
|
|
{0, 0, 0}},
|
|
{sign(Seconds_diff), {Hd, Md}}),
|
|
IQ#iq{type = result,
|
|
sub_el =
|
|
[#xmlel{name = <<"time">>,
|
|
attrs = [{<<"xmlns">>, ?NS_TIME}],
|
|
children =
|
|
[#xmlel{name = <<"tzo">>, attrs = [],
|
|
children = [{xmlcdata, TZO_diff}]},
|
|
#xmlel{name = <<"utc">>, attrs = [],
|
|
children =
|
|
[{xmlcdata,
|
|
<<UTC/binary,
|
|
UTC_diff/binary>>}]}]}]}
|
|
end.
|
|
|
|
sign(N) when N < 0 -> <<"-">>;
|
|
sign(_) -> <<"+">>.
|