251 lines
7.8 KiB
Erlang
251 lines
7.8 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 (JEP-0050)
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%%% Created : 15 Nov 2005 by Magnus Henoch <henoch@dtek.chalmers.se>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(mod_adhoc).
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-author('henoch@dtek.chalmers.se').
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-vsn('$Revision$ ').
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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("ejabberd.hrl").
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-include("jlib.hrl").
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-include("adhoc.hrl").
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start(Host, Opts) ->
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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, Host, ?NS_COMMANDS,
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?MODULE, process_local_iq, IQDisc),
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gen_iq_handler:add_iq_handler(ejabberd_sm, Host, ?NS_COMMANDS,
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?MODULE, process_sm_iq, IQDisc),
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ejabberd_hooks:add(disco_local_identity, Host, ?MODULE, get_local_identity, 99),
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ejabberd_hooks:add(disco_local_features, Host, ?MODULE, get_local_features, 99),
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ejabberd_hooks:add(disco_local_items, Host, ?MODULE, get_local_commands, 99),
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ejabberd_hooks:add(disco_sm_identity, Host, ?MODULE, get_sm_identity, 99),
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ejabberd_hooks:add(disco_sm_features, Host, ?MODULE, get_sm_features, 99),
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ejabberd_hooks:add(disco_sm_items, Host, ?MODULE, get_sm_commands, 99),
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ejabberd_hooks:add(adhoc_local_items, Host, ?MODULE, ping_item, 100),
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ejabberd_hooks:add(adhoc_local_commands, Host, ?MODULE, ping_command, 100).
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stop(Host) ->
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ejabberd_hooks:delete(adhoc_local_commands, Host, ?MODULE, ping_command, 100),
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ejabberd_hooks:delete(adhoc_local_items, Host, ?MODULE, ping_item, 100),
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ejabberd_hooks:delete(disco_sm_items, Host, ?MODULE, get_sm_commands, 99),
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ejabberd_hooks:delete(disco_sm_features, Host, ?MODULE, get_sm_features, 99),
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ejabberd_hooks:delete(disco_sm_identity, Host, ?MODULE, get_sm_identity, 99),
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ejabberd_hooks:delete(disco_local_items, Host, ?MODULE, get_local_commands, 99),
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ejabberd_hooks:delete(disco_local_features, Host, ?MODULE, get_local_features, 99),
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ejabberd_hooks:delete(disco_local_identity, Host, ?MODULE, get_local_identity, 99),
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gen_iq_handler:remove_iq_handler(ejabberd_sm, Host, ?NS_COMMANDS),
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gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_COMMANDS).
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%-------------------------------------------------------------------------
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get_local_commands(Acc, _From, #jid{server = Server, lserver = LServer} = _To, "", Lang) ->
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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 = [{xmlelement,
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"item",
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[{"jid", Server},
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{"node", ?NS_COMMANDS},
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{"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, #jid{lserver = LServer} = To, ?NS_COMMANDS, Lang) ->
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ejabberd_hooks:run_fold(adhoc_local_items, LServer, {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, #jid{lserver = LServer} = To, "", Lang) ->
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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 = [{xmlelement,
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"item",
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[{"jid", jlib:jid_to_string(To)},
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{"node", ?NS_COMMANDS},
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{"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, #jid{lserver = LServer} = To, ?NS_COMMANDS, Lang) ->
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ejabberd_hooks:run_fold(adhoc_sm_items, LServer, {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_COMMANDS, Lang) ->
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[{xmlelement, "identity",
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[{"category", "automation"},
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{"type", "command-list"},
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{"name", translate:translate(Lang, "Commands")}], []} | Acc];
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get_local_identity(Acc, _From, _To, "ping", Lang) ->
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[{xmlelement, "identity",
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[{"category", "automation"},
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{"type", "command-node"},
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{"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_COMMANDS, Lang) ->
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[{xmlelement, "identity",
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[{"category", "automation"},
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{"type", "command-list"},
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{"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_COMMANDS]};
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get_local_features(_Acc, _From, _To, ?NS_COMMANDS, _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_COMMANDS]};
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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_COMMANDS]};
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get_sm_features(_Acc, _From, _To, ?NS_COMMANDS, _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) ->
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process_adhoc_request(From, To, IQ, adhoc_local_commands).
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process_sm_iq(From, To, IQ) ->
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process_adhoc_request(From, To, IQ, adhoc_sm_commands).
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process_adhoc_request(From, To, #iq{sub_el = SubEl} = IQ, Hook) ->
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?DEBUG("About to parse ~p...", [IQ]),
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case adhoc:parse_request(IQ) of
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{error, Error} ->
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IQ#iq{type = error, sub_el = [SubEl, Error]};
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#adhoc_request{} = AdhocRequest ->
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Host = To#jid.lserver,
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case ejabberd_hooks:run_fold(Hook, Host, 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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IQ#iq{type = error, sub_el = [SubEl, ?ERR_ITEM_NOT_FOUND]};
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{error, Error} ->
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IQ#iq{type = error, sub_el = [SubEl, Error]};
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Command ->
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IQ#iq{type = result, sub_el = [Command]}
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end
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end.
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ping_item(Acc, _From, #jid{server = Server} = _To, Lang) ->
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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 = [{xmlelement, "item",
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[{"jid", Server},
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{"node", "ping"},
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{"name", translate:translate(Lang, "Ping")}],
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[]}],
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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, ?ERR_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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