mirror of
https://github.com/processone/ejabberd.git
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97 lines
3.1 KiB
Erlang
97 lines
3.1 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_version.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : XEP-0092: Software Version
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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) 2002-2020 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 along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_version).
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-author('alexey@process-one.net').
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-protocol({xep, 92, '1.1'}).
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-behaviour(gen_mod).
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-export([start/2, stop/1, reload/3, process_local_iq/1,
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mod_opt_type/1, mod_options/1, depends/2, mod_doc/0]).
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-include("logger.hrl").
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-include("xmpp.hrl").
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-include("translate.hrl").
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start(Host, _Opts) ->
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gen_iq_handler:add_iq_handler(ejabberd_local, Host,
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?NS_VERSION, ?MODULE, process_local_iq).
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stop(Host) ->
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gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
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?NS_VERSION).
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reload(_Host, _NewOpts, _OldOpts) ->
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ok.
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process_local_iq(#iq{type = set, lang = Lang} = IQ) ->
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Txt = ?T("Value 'set' of 'type' attribute is not allowed"),
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xmpp:make_error(IQ, xmpp:err_not_allowed(Txt, Lang));
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process_local_iq(#iq{type = get, to = To} = IQ) ->
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Host = To#jid.lserver,
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OS = case mod_version_opt:show_os(Host) of
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true -> get_os();
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false -> undefined
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end,
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xmpp:make_iq_result(IQ, #version{name = <<"ejabberd">>,
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ver = ejabberd_option:version(),
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os = OS}).
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get_os() ->
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{Osfamily, Osname} = os:type(),
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OSType = list_to_binary([atom_to_list(Osfamily), $/, atom_to_list(Osname)]),
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OSVersion = case os:version() of
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{Major, Minor, Release} ->
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(str:format("~w.~w.~w",
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[Major, Minor, Release]));
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VersionString -> VersionString
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end,
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<<OSType/binary, " ", OSVersion/binary>>.
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depends(_Host, _Opts) ->
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[].
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mod_opt_type(show_os) ->
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econf:bool().
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mod_options(_Host) ->
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[{show_os, true}].
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mod_doc() ->
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#{desc =>
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?T("This module implements "
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"https://xmpp.org/extensions/xep-0092.html"
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"[XEP-0092: Software Version]. Consequently, "
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"it answers ejabberd's version when queried."),
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opts =>
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[{show_os,
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#{value => "true | false",
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desc =>
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?T("Should the operating system be revealed or not. "
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"The default value is 'true'.")}}]}.
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