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xmpp.chapril.org-ejabberd/src/mod_adhoc.erl
Pablo Polvorin ef572c815f Port to latest exmpp changes (attribute names as binary()).
All atributes are now binary() instead of atoms.
2010-11-29 16:44:31 -03:00

273 lines
9.1 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : mod_adhoc.erl
%%% Author : Magnus Henoch <henoch@dtek.chalmers.se>
%%% Purpose : Handle incoming ad-doc requests (XEP-0050)
%%% Created : 15 Nov 2005 by Magnus Henoch <henoch@dtek.chalmers.se>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2010 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_adhoc).
-author('henoch@dtek.chalmers.se').
-behaviour(gen_mod).
-export([start/2,
stop/1,
process_local_iq/3,
process_sm_iq/3,
get_local_commands/5,
get_local_identity/5,
get_local_features/5,
get_sm_commands/5,
get_sm_identity/5,
get_sm_features/5,
ping_item/4,
ping_command/4]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("adhoc.hrl").
start(Host, Opts) ->
HostB = list_to_binary(Host),
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, HostB, ?NS_ADHOC,
?MODULE, process_local_iq, IQDisc),
gen_iq_handler:add_iq_handler(ejabberd_sm, HostB, ?NS_ADHOC,
?MODULE, process_sm_iq, IQDisc),
ejabberd_hooks:add(disco_local_identity, HostB, ?MODULE, get_local_identity, 99),
ejabberd_hooks:add(disco_local_features, HostB, ?MODULE, get_local_features, 99),
ejabberd_hooks:add(disco_local_items, HostB, ?MODULE, get_local_commands, 99),
ejabberd_hooks:add(disco_sm_identity, HostB, ?MODULE, get_sm_identity, 99),
ejabberd_hooks:add(disco_sm_features, HostB, ?MODULE, get_sm_features, 99),
ejabberd_hooks:add(disco_sm_items, HostB, ?MODULE, get_sm_commands, 99),
ejabberd_hooks:add(adhoc_local_items, HostB, ?MODULE, ping_item, 100),
ejabberd_hooks:add(adhoc_local_commands, HostB, ?MODULE, ping_command, 100).
stop(Host) ->
HostB = list_to_binary(Host),
ejabberd_hooks:delete(adhoc_local_commands, HostB, ?MODULE, ping_command, 100),
ejabberd_hooks:delete(adhoc_local_items, HostB, ?MODULE, ping_item, 100),
ejabberd_hooks:delete(disco_sm_items, HostB, ?MODULE, get_sm_commands, 99),
ejabberd_hooks:delete(disco_sm_features, HostB, ?MODULE, get_sm_features, 99),
ejabberd_hooks:delete(disco_sm_identity, HostB, ?MODULE, get_sm_identity, 99),
ejabberd_hooks:delete(disco_local_items, HostB, ?MODULE, get_local_commands, 99),
ejabberd_hooks:delete(disco_local_features, HostB, ?MODULE, get_local_features, 99),
ejabberd_hooks:delete(disco_local_identity, HostB, ?MODULE, get_local_identity, 99),
gen_iq_handler:remove_iq_handler(ejabberd_sm, HostB, ?NS_ADHOC),
gen_iq_handler:remove_iq_handler(ejabberd_local, HostB, ?NS_ADHOC).
%-------------------------------------------------------------------------
get_local_commands(Acc, _From, To, <<>>, Lang) ->
Server = exmpp_jid:domain(To),
LServer = exmpp_jid:prep_domain_as_list(To),
Display = gen_mod:get_module_opt(LServer, ?MODULE, report_commands_node, false),
case Display of
false ->
Acc;
_ ->
Items = case Acc of
{result, I} -> I;
_ -> []
end,
Nodes = [#xmlel{ns = ?NS_DISCO_ITEMS,
name = 'item', attrs =
[?XMLATTR(<<"jid">>, Server),
?XMLATTR(<<"node">>, ?NS_ADHOC_s),
?XMLATTR(<<"name">>, translate:translate(Lang, "Commands"))]
}],
{result, Items ++ Nodes}
end;
get_local_commands(_Acc, From, To, ?NS_ADHOC_b, Lang) ->
ejabberd_hooks:run_fold(adhoc_local_items, exmpp_jid:prep_domain(To), {result, []}, [From, To, Lang]);
get_local_commands(_Acc, _From, _To, <<"ping">>, _Lang) ->
{result, []};
get_local_commands(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
get_sm_commands(Acc, _From, To, <<>>, Lang) ->
LServer = exmpp_jid:prep_domain_as_list(To),
Display = gen_mod:get_module_opt(LServer, ?MODULE, report_commands_node, false),
case Display of
false ->
Acc;
_ ->
Items = case Acc of
{result, I} -> I;
_ -> []
end,
Nodes = [#xmlel{ns = ?NS_DISCO_ITEMS,
name = 'item', attrs =
[?XMLATTR(<<"jid">>, exmpp_jid:to_binary(To)),
?XMLATTR(<<"node">>, ?NS_ADHOC_s),
?XMLATTR(<<"name">>, translate:translate(Lang, "Commands"))]
}],
{result, Items ++ Nodes}
end;
get_sm_commands(_Acc, From, To, ?NS_ADHOC_b, Lang) ->
ejabberd_hooks:run_fold(adhoc_sm_items, exmpp_jid:prep_domain(To), {result, []}, [From, To, Lang]);
get_sm_commands(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
%% On disco info request to the ad-hoc node, return automation/command-list.
get_local_identity(Acc, _From, _To, ?NS_ADHOC_b, Lang) ->
[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
[?XMLATTR(<<"category">>, <<"automation">>),
?XMLATTR(<<"type">>, <<"command-list">>),
?XMLATTR(<<"name">>, translate:translate(Lang, "Commands"))]} | Acc];
get_local_identity(Acc, _From, _To, <<"ping">>, Lang) ->
[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
[?XMLATTR(<<"category">>, <<"automation">>),
?XMLATTR(<<"type">>, <<"command-node">>),
?XMLATTR(<<"name">>, translate:translate(Lang, "Ping"))]} | Acc];
get_local_identity(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
%% On disco info request to the ad-hoc node, return automation/command-list.
get_sm_identity(Acc, _From, _To, ?NS_ADHOC_s, Lang) ->
[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
[?XMLATTR(<<"category">>, <<"automation">>),
?XMLATTR(<<"type">>, <<"command-list">>),
?XMLATTR(<<"name">>, translate:translate(Lang, "Commands"))]} | Acc];
get_sm_identity(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
get_local_features(Acc, _From, _To, <<>>, _Lang) ->
Feats = case Acc of
{result, I} -> I;
_ -> []
end,
{result, Feats ++ [?NS_ADHOC_s]};
get_local_features(_Acc, _From, _To, ?NS_ADHOC_b, _Lang) ->
%% override all lesser features...
{result, []};
get_local_features(_Acc, _From, _To, <<"ping">>, _Lang) ->
%% override all lesser features...
{result, [?NS_ADHOC_s]};
get_local_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
get_sm_features(Acc, _From, _To, "", _Lang) ->
Feats = case Acc of
{result, I} -> I;
_ -> []
end,
{result, Feats ++ [?NS_ADHOC_s]};
get_sm_features(_Acc, _From, _To, ?NS_ADHOC_s, _Lang) ->
%% override all lesser features...
{result, []};
get_sm_features(Acc, _From, _To, _Node, _Lang) ->
Acc.
%-------------------------------------------------------------------------
process_local_iq(From, To, IQ_Rec) ->
process_adhoc_request(From, To, IQ_Rec, adhoc_local_commands).
process_sm_iq(From, To, IQ_Rec) ->
process_adhoc_request(From, To, IQ_Rec, adhoc_sm_commands).
process_adhoc_request(From, To, IQ_Rec, Hook) ->
?DEBUG("About to parse ~p...", [IQ_Rec]),
case adhoc:parse_request(IQ_Rec) of
{error, Error} ->
exmpp_iq:error(IQ_Rec, Error);
#adhoc_request{} = AdhocRequest ->
case ejabberd_hooks:run_fold(Hook, exmpp_jid:prep_domain(To), empty,
[From, To, AdhocRequest]) of
ignore ->
ignore;
empty ->
exmpp_iq:error(IQ_Rec, 'item-not-found');
{error, Error} ->
exmpp_iq:error(IQ_Rec, Error);
Command ->
exmpp_iq:result(IQ_Rec, Command)
end
end.
ping_item(Acc, _From, To, Lang) ->
Server = exmpp_jid:domain(To),
Items = case Acc of
{result, I} ->
I;
_ ->
[]
end,
Nodes = [#xmlel{ns = ?NS_DISCO_INFO, name = 'item', attrs =
[?XMLATTR(<<"jid">>, Server),
?XMLATTR(<<"node">>, <<"ping">>),
?XMLATTR(<<"name">>, translate:translate(Lang, "Ping"))]}],
{result, Items ++ Nodes}.
ping_command(_Acc, _From, _To,
#adhoc_request{lang = Lang,
node = "ping",
sessionid = _Sessionid,
action = Action} = Request) ->
if
Action == ""; Action == "execute" ->
adhoc:produce_response(
Request,
#adhoc_response{status = completed,
notes = [{"info", translate:translate(
Lang,
"Pong")}]});
true ->
{error, 'bad-request'}
end;
ping_command(Acc, _From, _To, _Request) ->
Acc.