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xmpp.chapril.org-ejabberd/src/mod_version.erl

91 lines
2.8 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : mod_version.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : XEP-0092: Software Version
%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2011 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., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(mod_version).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2,
stop/1,
process_local_iq/3]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
start(Host, Opts) when is_list(Host) ->
start(list_to_binary(Host), Opts);
start(HostB, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, HostB, ?NS_SOFT_VERSION,
?MODULE, process_local_iq, IQDisc).
stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_local, list_to_binary(Host), ?NS_SOFT_VERSION).
process_local_iq(_From, To, #iq{type = Type} = IQ_Rec) ->
case Type of
set ->
exmpp_iq:error(IQ_Rec, 'not-allowed');
get ->
Host = exmpp_jid:domain_as_list(To),
OS = case gen_mod:get_module_opt(Host, ?MODULE, show_os, true) of
true -> [get_os()];
false -> []
end,
R = #xmlel{ns = ?NS_SOFT_VERSION, name = 'query',
children = [ exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION,
name = 'name'},
<<"ejabberd">>),
exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION,
name = 'version'},
?VERSION) | OS]},
exmpp_iq:result(IQ_Rec, R)
end.
get_os() ->
OSType = case os:type() of
{Osfamily, Osname} ->
atom_to_list(Osfamily) ++ "/" ++
atom_to_list(Osname);
Osfamily ->
atom_to_list(Osfamily)
end,
OSVersion = case os:version() of
{Major, Minor, Release} ->
lists:flatten(
io_lib:format("~w.~w.~w",
[Major, Minor, Release]));
VersionString ->
VersionString
end,
OS = OSType ++ " " ++ OSVersion,
exmpp_xml:set_cdata(#xmlel{ns = ?NS_SOFT_VERSION, name = 'os'}, OS).