mirror of
https://github.com/processone/ejabberd.git
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86 lines
3.4 KiB
Erlang
86 lines
3.4 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_time.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose :
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%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2010 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_time).
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-author('alexey@process-one.net').
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-behaviour(gen_mod).
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-export([start/2,
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stop/1,
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process_local_iq90/3, % TODO: Remove once XEP-0090 is Obsolete
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process_local_iq/3]).
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-include_lib("exmpp/include/exmpp.hrl").
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-include("ejabberd.hrl").
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
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%% TODO: Remove the next two lines once XEP-0090 is Obsolete
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gen_iq_handler:add_iq_handler(ejabberd_local, list_to_binary(Host), ?NS_TIME_OLD,
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?MODULE, process_local_iq90, IQDisc),
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gen_iq_handler:add_iq_handler(ejabberd_local, list_to_binary(Host), ?NS_TIME,
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?MODULE, process_local_iq, IQDisc).
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stop(Host) ->
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%% TODO: Remove the next two lines once XEP-0090 is Obsolete
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gen_iq_handler:remove_iq_handler(ejabberd_local, list_to_binary(Host), ?NS_TIME_OLD),
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gen_iq_handler:remove_iq_handler(ejabberd_local, list_to_binary(Host), ?NS_TIME).
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process_local_iq(_From, _To, #iq{type = get} = IQ_Rec) ->
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Now = now(),
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Now_universal = calendar:now_to_universal_time(Now),
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Now_local = calendar:now_to_local_time(Now),
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{UTC, UTC_diff} = jlib:timestamp_to_iso(Now_universal, utc),
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Seconds_diff = calendar:datetime_to_gregorian_seconds(Now_local)
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- calendar:datetime_to_gregorian_seconds(Now_universal),
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{Hd, Md, _} = calendar:seconds_to_time(Seconds_diff),
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{_, TZO_diff} = jlib:timestamp_to_iso({{0, 0, 0}, {0, 0, 0}}, {Hd, Md}),
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Result = #xmlel{ns = ?NS_TIME, name = 'time', children = [
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#xmlel{ns = ?NS_TIME, name = 'tzo', children = [
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#xmlcdata{cdata = list_to_binary(TZO_diff)}]},
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#xmlel{ns = ?NS_TIME, name = 'utc', children = [
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#xmlcdata{cdata = list_to_binary(UTC ++ UTC_diff)}]}
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]},
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exmpp_iq:result(IQ_Rec, Result);
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process_local_iq(_From, _To, #iq{type = set} = IQ_Rec) ->
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exmpp_iq:error(IQ_Rec, 'not-allowed').
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%% TODO: Remove this function once XEP-0090 is Obsolete
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process_local_iq90(_From, _To, #iq{type = get} = IQ_Rec) ->
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UTC = jlib:timestamp_to_iso(calendar:universal_time()),
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Result = #xmlel{ns = ?NS_TIME_OLD, name = 'query',
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children = [#xmlel{ns = ?NS_TIME_OLD, name = 'utc',
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children=[#xmlcdata{cdata =
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list_to_binary(UTC)}
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]}
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]},
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exmpp_iq:result(IQ_Rec, Result);
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process_local_iq90(_From, _To, #iq{type = set} = IQ_Rec) ->
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exmpp_iq:error(IQ_Rec, 'not-allowed').
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