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%%%----------------------------------------------------------------------
%%% File : mod_sic.erl
%%% Author : Karim Gemayel <karim.gemayel@process-one.net>
%%% Purpose : XEP-0279 Server IP Check
%%% Created : 6 Mar 2010 by Karim Gemayel <karim.gemayel@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2013 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_sic).
-author('karim.gemayel@process-one.net').
-behaviour(gen_mod).
-export([start/2, stop/1, process_local_iq/3,
process_sm_iq/3]).
-include("ejabberd.hrl").
-include("jlib.hrl").
-define(NS_SIC, <<"urn:xmpp:sic:0">>).
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_SIC, ?MODULE, process_local_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, Host,
?NS_SIC, ?MODULE, process_sm_iq, IQDisc).
stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
?NS_SIC),
gen_iq_handler:remove_iq_handler(ejabberd_sm, Host,
?NS_SIC).
process_local_iq(#jid{user = User, server = Server,
resource = Resource},
_To, #iq{type = get, sub_el = _SubEl} = IQ) ->
get_ip({User, Server, Resource}, IQ);
process_local_iq(_From, _To,
#iq{type = set, sub_el = SubEl} = IQ) ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}.
process_sm_iq(#jid{user = User, server = Server,
resource = Resource},
#jid{user = User, server = Server},
#iq{type = get, sub_el = _SubEl} = IQ) ->
get_ip({User, Server, Resource}, IQ);
process_sm_iq(_From, _To,
#iq{type = get, sub_el = SubEl} = IQ) ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_FORBIDDEN]};
process_sm_iq(_From, _To,
#iq{type = set, sub_el = SubEl} = IQ) ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]}.
get_ip({User, Server, Resource},
#iq{sub_el =
#xmlel{name = Name, attrs = Attrs} = SubEl} =
IQ) ->
case ejabberd_sm:get_user_ip(User, Server, Resource) of
{IP, _} when is_tuple(IP) ->
IQ#iq{type = result,
sub_el =
[#xmlel{name = Name, attrs = Attrs,
children =
[{xmlcdata,
iolist_to_binary(jlib:ip_to_list(IP))}]}]};
_ ->
IQ#iq{type = error,
sub_el = [SubEl, ?ERR_INTERNAL_SERVER_ERROR]}
end.
|
