mirror of
https://github.com/processone/ejabberd.git
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91 lines
2.9 KiB
Erlang
91 lines
2.9 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) 2002-2015 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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-behaviour(gen_mod).
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-export([start/2, stop/1, process_local_iq/3]).
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
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one_queue),
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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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IQDisc).
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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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process_local_iq(_From, To,
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#iq{id = _ID, type = Type, xmlns = _XMLNS,
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sub_el = SubEl} =
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IQ) ->
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case Type of
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set ->
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IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
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get ->
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Host = To#jid.lserver,
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OS = case gen_mod:get_module_opt(Host, ?MODULE, show_os,
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fun(B) when is_boolean(B) -> B end,
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true)
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of
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true -> [get_os()];
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false -> []
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end,
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"query">>,
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attrs = [{<<"xmlns">>, ?NS_VERSION}],
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children =
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[#xmlel{name = <<"name">>, attrs = [],
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children =
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[{xmlcdata, <<"ejabberd">>}]},
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#xmlel{name = <<"version">>, attrs = [],
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children = [{xmlcdata, ?VERSION}]}]
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++ OS}]}
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end.
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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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iolist_to_binary(io_lib: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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OS = <<OSType/binary, " ", OSVersion/binary>>,
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#xmlel{name = <<"os">>, attrs = [],
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children = [{xmlcdata, OS}]}.
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