mirror of
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273 lines
9.0 KiB
Erlang
273 lines
9.0 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_adhoc.erl
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%%% Author : Magnus Henoch <henoch@dtek.chalmers.se>
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%%% Purpose : Handle incoming ad-doc requests (XEP-0050)
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%%% Created : 15 Nov 2005 by Magnus Henoch <henoch@dtek.chalmers.se>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2010 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
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_adhoc).
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-author('henoch@dtek.chalmers.se').
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-behaviour(gen_mod).
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-export([start/2,
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stop/1,
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process_local_iq/3,
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process_sm_iq/3,
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get_local_commands/5,
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get_local_identity/5,
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get_local_features/5,
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get_sm_commands/5,
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get_sm_identity/5,
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get_sm_features/5,
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ping_item/4,
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ping_command/4]).
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-include_lib("exmpp/include/exmpp.hrl").
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-include("ejabberd.hrl").
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-include("adhoc.hrl").
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start(Host, Opts) ->
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HostB = list_to_binary(Host),
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IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
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gen_iq_handler:add_iq_handler(ejabberd_local, HostB, ?NS_ADHOC,
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?MODULE, process_local_iq, IQDisc),
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gen_iq_handler:add_iq_handler(ejabberd_sm, HostB, ?NS_ADHOC,
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?MODULE, process_sm_iq, IQDisc),
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ejabberd_hooks:add(disco_local_identity, HostB, ?MODULE, get_local_identity, 99),
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ejabberd_hooks:add(disco_local_features, HostB, ?MODULE, get_local_features, 99),
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ejabberd_hooks:add(disco_local_items, HostB, ?MODULE, get_local_commands, 99),
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ejabberd_hooks:add(disco_sm_identity, HostB, ?MODULE, get_sm_identity, 99),
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ejabberd_hooks:add(disco_sm_features, HostB, ?MODULE, get_sm_features, 99),
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ejabberd_hooks:add(disco_sm_items, HostB, ?MODULE, get_sm_commands, 99),
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ejabberd_hooks:add(adhoc_local_items, HostB, ?MODULE, ping_item, 100),
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ejabberd_hooks:add(adhoc_local_commands, HostB, ?MODULE, ping_command, 100).
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stop(Host) ->
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HostB = list_to_binary(Host),
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ejabberd_hooks:delete(adhoc_local_commands, HostB, ?MODULE, ping_command, 100),
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ejabberd_hooks:delete(adhoc_local_items, HostB, ?MODULE, ping_item, 100),
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ejabberd_hooks:delete(disco_sm_items, HostB, ?MODULE, get_sm_commands, 99),
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ejabberd_hooks:delete(disco_sm_features, HostB, ?MODULE, get_sm_features, 99),
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ejabberd_hooks:delete(disco_sm_identity, HostB, ?MODULE, get_sm_identity, 99),
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ejabberd_hooks:delete(disco_local_items, HostB, ?MODULE, get_local_commands, 99),
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ejabberd_hooks:delete(disco_local_features, HostB, ?MODULE, get_local_features, 99),
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ejabberd_hooks:delete(disco_local_identity, HostB, ?MODULE, get_local_identity, 99),
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gen_iq_handler:remove_iq_handler(ejabberd_sm, HostB, ?NS_ADHOC),
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gen_iq_handler:remove_iq_handler(ejabberd_local, HostB, ?NS_ADHOC).
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%-------------------------------------------------------------------------
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get_local_commands(Acc, _From, To, <<>>, Lang) ->
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Server = exmpp_jid:domain(To),
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LServer = exmpp_jid:prep_domain_as_list(To),
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Display = gen_mod:get_module_opt(LServer, ?MODULE, report_commands_node, false),
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case Display of
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false ->
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Acc;
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_ ->
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Items = case Acc of
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{result, I} -> I;
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_ -> []
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end,
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Nodes = [#xmlel{ns = ?NS_DISCO_ITEMS,
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name = 'item', attrs =
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[?XMLATTR('jid', Server),
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?XMLATTR('node', ?NS_ADHOC_s),
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?XMLATTR('name', translate:translate(Lang, "Commands"))]
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}],
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{result, Items ++ Nodes}
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end;
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get_local_commands(_Acc, From, To, ?NS_ADHOC_b, Lang) ->
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ejabberd_hooks:run_fold(adhoc_local_items, exmpp_jid:prep_domain(To), {result, []}, [From, To, Lang]);
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get_local_commands(_Acc, _From, _To, <<"ping">>, _Lang) ->
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{result, []};
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get_local_commands(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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get_sm_commands(Acc, _From, To, <<>>, Lang) ->
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LServer = exmpp_jid:prep_domain_as_list(To),
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Display = gen_mod:get_module_opt(LServer, ?MODULE, report_commands_node, false),
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case Display of
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false ->
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Acc;
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_ ->
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Items = case Acc of
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{result, I} -> I;
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_ -> []
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end,
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Nodes = [#xmlel{ns = ?NS_DISCO_ITEMS,
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name = 'item', attrs =
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[?XMLATTR('jid', exmpp_jid:to_binary(To)),
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?XMLATTR('node', ?NS_ADHOC_s),
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?XMLATTR('name', translate:translate(Lang, "Commands"))]
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}],
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{result, Items ++ Nodes}
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end;
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get_sm_commands(_Acc, From, To, ?NS_ADHOC_b, Lang) ->
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ejabberd_hooks:run_fold(adhoc_sm_items, exmpp_jid:prep_domain(To), {result, []}, [From, To, Lang]);
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get_sm_commands(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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%% On disco info request to the ad-hoc node, return automation/command-list.
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get_local_identity(Acc, _From, _To, ?NS_ADHOC_b, Lang) ->
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[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
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[?XMLATTR('category', <<"automation">>),
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?XMLATTR('type', <<"command-list">>),
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?XMLATTR('name', translate:translate(Lang, "Commands"))]} | Acc];
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get_local_identity(Acc, _From, _To, <<"ping">>, Lang) ->
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[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
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[?XMLATTR('category', <<"automation">>),
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?XMLATTR('type', <<"command-node">>),
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?XMLATTR('name', translate:translate(Lang, "Ping"))]} | Acc];
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get_local_identity(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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%% On disco info request to the ad-hoc node, return automation/command-list.
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get_sm_identity(Acc, _From, _To, ?NS_ADHOC_s, Lang) ->
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[#xmlel{ns = ?NS_DISCO_INFO, name = 'identity', attrs =
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[?XMLATTR('category', <<"automation">>),
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?XMLATTR('type', <<"command-list">>),
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?XMLATTR('name', translate:translate(Lang, "Commands"))]} | Acc];
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get_sm_identity(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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get_local_features(Acc, _From, _To, <<>>, _Lang) ->
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Feats = case Acc of
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{result, I} -> I;
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_ -> []
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end,
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{result, Feats ++ [?NS_ADHOC_s]};
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get_local_features(_Acc, _From, _To, ?NS_ADHOC_b, _Lang) ->
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%% override all lesser features...
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{result, []};
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get_local_features(_Acc, _From, _To, <<"ping">>, _Lang) ->
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%% override all lesser features...
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{result, [?NS_ADHOC_s]};
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get_local_features(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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get_sm_features(Acc, _From, _To, "", _Lang) ->
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Feats = case Acc of
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{result, I} -> I;
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_ -> []
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end,
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{result, Feats ++ [?NS_ADHOC_s]};
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get_sm_features(_Acc, _From, _To, ?NS_ADHOC_s, _Lang) ->
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%% override all lesser features...
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{result, []};
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get_sm_features(Acc, _From, _To, _Node, _Lang) ->
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Acc.
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%-------------------------------------------------------------------------
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process_local_iq(From, To, IQ_Rec) ->
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process_adhoc_request(From, To, IQ_Rec, adhoc_local_commands).
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process_sm_iq(From, To, IQ_Rec) ->
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process_adhoc_request(From, To, IQ_Rec, adhoc_sm_commands).
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process_adhoc_request(From, To, IQ_Rec, Hook) ->
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?DEBUG("About to parse ~p...", [IQ_Rec]),
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case adhoc:parse_request(IQ_Rec) of
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{error, Error} ->
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exmpp_iq:error(IQ_Rec, Error);
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#adhoc_request{} = AdhocRequest ->
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case ejabberd_hooks:run_fold(Hook, exmpp_jid:prep_domain(To), empty,
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[From, To, AdhocRequest]) of
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ignore ->
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ignore;
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empty ->
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exmpp_iq:error(IQ_Rec, 'item-not-found');
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{error, Error} ->
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exmpp_iq:error(IQ_Rec, Error);
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Command ->
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exmpp_iq:result(IQ_Rec, Command)
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end
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end.
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ping_item(Acc, _From, To, Lang) ->
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Server = exmpp_jid:domain(To),
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Items = case Acc of
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{result, I} ->
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I;
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_ ->
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[]
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end,
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Nodes = [#xmlel{ns = ?NS_DISCO_INFO, name = 'item', attrs =
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[?XMLATTR('jid', Server),
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?XMLATTR('node', <<"ping">>),
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?XMLATTR('name', translate:translate(Lang, "Ping"))]}],
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{result, Items ++ Nodes}.
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ping_command(_Acc, _From, _To,
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#adhoc_request{lang = Lang,
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node = "ping",
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sessionid = _Sessionid,
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action = Action} = Request) ->
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if
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Action == ""; Action == "execute" ->
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adhoc:produce_response(
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Request,
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#adhoc_response{status = completed,
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notes = [{"info", translate:translate(
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Lang,
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"Pong")}]});
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true ->
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{error, 'bad-request'}
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end;
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ping_command(Acc, _From, _To, _Request) ->
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Acc.
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