mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-28 16:34:13 +01:00
Rewrite multicast code to use XML generator
This commit is contained in:
Evgeniy Khramtsov
parent
abb4446b51
commit
bc33a3873d
@ -43,9 +43,10 @@
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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-include("xmpp.hrl").
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-record(route_multicast, {domain, pid}).
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-record(route_multicast, {domain = <<"">> :: binary(),
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pid = self() :: pid()}).
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-record(state, {}).
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%%====================================================================
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@ -58,7 +59,7 @@
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start_link() ->
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gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
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-spec route_multicast(jid(), binary(), [jid()], stanza()) -> ok.
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route_multicast(From, Domain, Destinations, Packet) ->
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case catch do_route(From, Domain, Destinations, Packet) of
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{'EXIT', Reason} ->
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@ -68,6 +69,7 @@ route_multicast(From, Domain, Destinations, Packet) ->
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ok
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end.
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-spec register_route(binary()) -> any().
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register_route(Domain) ->
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case jid:nameprep(Domain) of
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error ->
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@ -81,6 +83,7 @@ register_route(Domain) ->
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mnesia:transaction(F)
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end.
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-spec unregister_route(binary()) -> any().
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unregister_route(Domain) ->
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case jid:nameprep(Domain) of
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error ->
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@ -206,6 +209,7 @@ code_change(_OldVsn, State, _Extra) ->
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%%--------------------------------------------------------------------
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%% From = #jid
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%% Destinations = [#jid]
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-spec do_route(jid(), binary(), [jid()], stanza()) -> any().
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do_route(From, Domain, Destinations, Packet) ->
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?DEBUG("route_multicast~n\tfrom ~s~n\tdomain ~s~n\tdestinations ~p~n\tpacket ~p~n",
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@ -226,6 +230,7 @@ do_route(From, Domain, Destinations, Packet) ->
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Pid ! {route_trusted, From, Destinations, Packet}
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end.
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-spec pick_multicast_pid([#route_multicast{}]) -> pid().
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pick_multicast_pid(Rs) ->
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List = case [R || R <- Rs, node(R#route_multicast.pid) == node()] of
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[] -> Rs;
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@ -233,5 +238,6 @@ pick_multicast_pid(Rs) ->
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end,
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(hd(List))#route_multicast.pid.
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-spec do_route_normal(jid(), [jid()], stanza()) -> any().
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do_route_normal(From, Destinations, Packet) ->
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[ejabberd_router:route(From, To, Packet) || To <- Destinations].
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@ -45,16 +45,20 @@
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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-include("xmpp.hrl").
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-record(state,
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{lserver, lservice, access, service_limits}).
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-type state() :: #state{}.
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-record(multicastc, {rserver, response, ts}).
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%% ts: timestamp (in seconds) when the cache item was last updated
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-record(dest, {jid_string, jid_jid, type, full_xml}).
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-record(dest, {jid_string = none :: binary(),
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jid_jid :: jid(),
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type :: atom(),
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full_xml :: address()}).
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%% jid_string = string()
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%% jid_jid = jid()
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@ -168,10 +172,8 @@ handle_cast(_Msg, State) -> {noreply, State}.
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%% Description: Handling all non call/cast messages
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%%--------------------------------------------------------------------
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handle_info({route, From, To,
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#xmlel{name = <<"iq">>, attrs = Attrs} = Packet},
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State) ->
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case catch handle_iq(From, To, #xmlel{attrs = Attrs} = Packet, State) of
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handle_info({route, From, To, #iq{} = Packet}, State) ->
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case catch handle_iq(From, To, Packet, State) of
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{'EXIT', Reason} ->
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?ERROR_MSG("Error when processing IQ stanza: ~p",
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[Reason]);
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@ -179,13 +181,10 @@ handle_info({route, From, To,
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end,
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{noreply, State};
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%% XEP33 allows only 'message' and 'presence' stanza type
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handle_info({route, From, To,
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#xmlel{name = Stanza_type} = Packet},
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handle_info({route, From, To, Packet},
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#state{lservice = LServiceS, lserver = LServerS,
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access = Access, service_limits = SLimits} =
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State)
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when (Stanza_type == <<"message">>) or
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(Stanza_type == <<"presence">>) ->
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State) when ?is_stanza(Packet) ->
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route_untrusted(LServiceS, LServerS, Access, SLimits,
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From, To, Packet),
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{noreply, State};
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@ -220,91 +219,59 @@ code_change(_OldVsn, State, _Extra) -> {ok, State}.
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%%% IQ Request Processing
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%%%------------------------
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handle_iq(From, To, #xmlel{attrs = Attrs} = Packet, State) ->
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IQ = jlib:iq_query_info(Packet),
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case catch process_iq(From, IQ, State) of
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Result when is_record(Result, iq) ->
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ejabberd_router:route(To, From, jlib:iq_to_xml(Result));
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{'EXIT', Reason} ->
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?ERROR_MSG("Error when processing IQ stanza: ~p",
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[Reason]),
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Err = jlib:make_error_reply(Packet,
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?ERR_INTERNAL_SERVER_ERROR),
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ejabberd_router:route(To, From, Err);
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reply ->
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LServiceS = jts(To),
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case fxml:get_attr_s(<<"type">>, Attrs) of
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<<"result">> ->
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process_iqreply_result(From, LServiceS, Packet, State);
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<<"error">> ->
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process_iqreply_error(From, LServiceS, Packet)
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end;
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ok -> ok
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handle_iq(From, To, Packet, State) ->
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try
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IQ = xmpp:decode_els(Packet),
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case process_iq(From, IQ, State) of
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{result, SubEl} ->
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ejabberd_router:route(To, From, xmpp:make_iq_result(Packet, SubEl));
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{error, Error} ->
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ejabberd_router:route_error(To, From, Packet, Error);
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reply ->
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LServiceS = jid:to_string(To),
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case Packet#iq.type of
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result ->
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process_iqreply_result(From, LServiceS, IQ);
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error ->
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process_iqreply_error(From, LServiceS, IQ)
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end
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end
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catch _:{xmpp_codec, Why} ->
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Lang = xmpp:get_lang(Packet),
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Err = xmpp:err_bad_request(xmpp:format_error(Why), Lang),
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ejabberd_router:route_error(To, From, Packet, Err)
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end.
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process_iq(From,
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#iq{type = get, xmlns = ?NS_DISCO_INFO, lang = Lang} =
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IQ,
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State) ->
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"query">>,
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attrs = [{<<"xmlns">>, ?NS_DISCO_INFO}],
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children = iq_disco_info(From, Lang, State)}]};
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%% disco#items request
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process_iq(_,
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#iq{type = get, xmlns = ?NS_DISCO_ITEMS} = IQ, _) ->
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"query">>,
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attrs = [{<<"xmlns">>, ?NS_DISCO_ITEMS}],
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children = []}]};
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%% vCard request
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process_iq(_,
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#iq{type = get, xmlns = ?NS_VCARD, lang = Lang} = IQ,
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_) ->
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"vCard">>,
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attrs = [{<<"xmlns">>, ?NS_VCARD}],
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children = iq_vcard(Lang)}]};
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%% Unknown "set" or "get" request
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process_iq(_, #iq{type = Type, sub_el = SubEl} = IQ, _)
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when Type == get; Type == set ->
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IQ#iq{type = error,
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sub_el = [SubEl, ?ERR_SERVICE_UNAVAILABLE]};
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%% IQ "result" or "error".
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process_iq(_, reply, _) -> reply;
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%% IQ "result" or "error".
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process_iq(_, _, _) -> ok.
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-spec process_iq(jid(), iq(), state()) -> {result, xmpp_element()} |
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{error, error()} | reply.
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process_iq(From, #iq{type = get, lang = Lang,
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sub_els = [#disco_info{}]}, State) ->
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{result, iq_disco_info(From, Lang, State)};
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process_iq(_, #iq{type = get, sub_els = [#disco_items{}]}, _) ->
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{result, #disco_items{}};
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process_iq(_, #iq{type = get, lang = Lang, sub_els = [#vcard_temp{}]}, _) ->
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{result, iq_vcard(Lang)};
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process_iq(_, #iq{type = T}, _) when T == set; T == get ->
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{error, xmpp:err_service_unavailable()};
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process_iq(_, _, _) ->
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reply.
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-define(FEATURE(Feat),
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#xmlel{name = <<"feature">>,
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attrs = [{<<"var">>, Feat}], children = []}).
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-define(FEATURE(Feat), Feat).
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iq_disco_info(From, Lang, State) ->
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[#xmlel{name = <<"identity">>,
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attrs =
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[{<<"category">>, <<"service">>},
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{<<"type">>, <<"multicast">>},
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{<<"name">>,
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translate:translate(Lang, <<"Multicast">>)}],
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children = []},
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?FEATURE((?NS_DISCO_INFO)), ?FEATURE((?NS_DISCO_ITEMS)),
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?FEATURE((?NS_VCARD)), ?FEATURE((?NS_ADDRESS))]
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++ iq_disco_info_extras(From, State).
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#disco_info{
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identities = [#identity{category = <<"service">>,
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type = <<"multicast">>,
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name = translate:translate(Lang, <<"Multicast">>)}],
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features = [?NS_DISCO_INFO, ?NS_DISCO_ITEMS, ?NS_VCARD, ?NS_ADDRESS],
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xdata = iq_disco_info_extras(From, State)}.
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iq_vcard(Lang) ->
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[#xmlel{name = <<"FN">>, attrs = [],
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children = [{xmlcdata, <<"ejabberd/mod_multicast">>}]},
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#xmlel{name = <<"URL">>, attrs = [],
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children = [{xmlcdata, ?EJABBERD_URI}]},
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#xmlel{name = <<"DESC">>, attrs = [],
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children =
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[{xmlcdata,
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<<(translate:translate(Lang,
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<<"ejabberd Multicast service">>))/binary,
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"\nCopyright (c) 2002-2016 ProcessOne">>}]}].
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Desc = translate:translate(Lang, <<"ejabberd Multicast service">>),
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Copyright = <<"Copyright (c) 2002-2016 ProcessOne">>,
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#vcard_temp{fn = <<"ejabberd/mod_multicast">>,
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url = ?EJABBERD_URI,
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desc = <<Desc/binary, $\n, Copyright/binary>>}.
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%%%-------------------------
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%%% Route
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@ -313,19 +280,14 @@ iq_vcard(Lang) ->
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route_trusted(LServiceS, LServerS, FromJID,
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Destinations, Packet) ->
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Packet_stripped = Packet,
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AAttrs = [{<<"xmlns">>, ?NS_ADDRESS}],
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AAttrs = [],
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Delivereds = [],
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Dests2 = lists:map(fun (D) ->
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DS = jts(D),
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XML = #xmlel{name = <<"address">>,
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attrs =
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[{<<"type">>, <<"bcc">>},
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{<<"jid">>, DS}],
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children = []},
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#dest{jid_string = DS, jid_jid = D,
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type = <<"bcc">>, full_xml = XML}
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end,
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Destinations),
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Dests2 = lists:map(
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fun(D) ->
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#dest{jid_string = jid:to_string(D),
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jid_jid = D, type = bcc,
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full_xml = #address{type = bcc, jid = D}}
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end, Destinations),
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Groups = group_dests(Dests2),
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route_common(LServerS, LServiceS, FromJID, Groups,
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Delivereds, Packet_stripped, AAttrs).
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@ -363,20 +325,19 @@ route_untrusted(LServiceS, LServerS, Access, SLimits,
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route_untrusted2(LServiceS, LServerS, Access, SLimits,
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FromJID, Packet) ->
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ok = check_access(LServerS, Access, FromJID),
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{ok, Packet_stripped, AAttrs, Addresses} =
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strip_addresses_element(Packet),
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{To_deliver, Delivereds} =
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split_addresses_todeliver(Addresses),
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{ok, Packet_stripped, Addresses} = strip_addresses_element(Packet),
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{To_deliver, Delivereds} = split_addresses_todeliver(Addresses),
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Dests = convert_dest_record(To_deliver),
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{Dests2, Not_jids} = split_dests_jid(Dests),
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report_not_jid(FromJID, Packet, Not_jids),
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ok = check_limit_dests(SLimits, FromJID, Packet,
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Dests2),
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ok = check_limit_dests(SLimits, FromJID, Packet, Dests2),
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Groups = group_dests(Dests2),
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ok = check_relay(FromJID#jid.server, LServerS, Groups),
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route_common(LServerS, LServiceS, FromJID, Groups,
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Delivereds, Packet_stripped, AAttrs).
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Delivereds, Packet_stripped, []).
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-spec route_common(binary(), binary(), jid(), [#group{}],
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[address()], stanza(), list()) -> any().
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route_common(LServerS, LServiceS, FromJID, Groups,
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Delivereds, Packet_stripped, AAttrs) ->
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Groups2 = look_cached_servers(LServerS, Groups),
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@ -435,52 +396,39 @@ check_access(LServerS, Access, From) ->
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%%% Strip 'addresses' XML element
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%%%-------------------------
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-spec strip_addresses_element(stanza()) -> {ok, stanza(), [address()]}.
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strip_addresses_element(Packet) ->
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case fxml:get_subtag(Packet, <<"addresses">>) of
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#xmlel{name = <<"addresses">>, attrs = AAttrs,
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children = Addresses} ->
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case fxml:get_attr_s(<<"xmlns">>, AAttrs) of
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?NS_ADDRESS ->
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#xmlel{name = Name, attrs = Attrs, children = Els} =
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Packet,
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Els_stripped = lists:keydelete(<<"addresses">>, 2, Els),
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Packet_stripped = #xmlel{name = Name, attrs = Attrs,
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children = Els_stripped},
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{ok, Packet_stripped, AAttrs, fxml:remove_cdata(Addresses)};
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_ -> throw(ewxmlns)
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end;
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_ -> throw(eadsele)
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case xmpp:get_subtag(Packet, #addresses{}) of
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#addresses{list = Addrs} ->
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PacketStripped = xmpp:remove_subtag(Packet, #addresses{}),
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{ok, PacketStripped, Addrs};
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undefined ->
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throw(eadsele)
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end.
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%%%-------------------------
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%%% Split Addresses
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%%%-------------------------
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-spec split_addresses_todeliver([address()]) -> {[address()], [address()]}.
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split_addresses_todeliver(Addresses) ->
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lists:partition(fun (XML) ->
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case XML of
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#xmlel{name = <<"address">>, attrs = Attrs} ->
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case fxml:get_attr_s(<<"delivered">>, Attrs) of
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<<"true">> -> false;
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_ ->
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Type = fxml:get_attr_s(<<"type">>,
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Attrs),
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case Type of
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<<"to">> -> true;
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<<"cc">> -> true;
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<<"bcc">> -> true;
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_ -> false
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end
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end;
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_ -> false
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end
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end,
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Addresses).
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lists:partition(
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fun(#address{delivered = true}) ->
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false;
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(#address{type = Type}) ->
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case Type of
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to -> true;
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cc -> true;
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bcc -> true;
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_ -> false
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end
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end, Addresses).
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%%%-------------------------
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%%% Check does not exceed limit of destinations
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%%%-------------------------
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-spec check_limit_dests(_, jid(), stanza(), [address()]) -> ok.
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check_limit_dests(SLimits, FromJID, Packet,
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Addresses) ->
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SenderT = sender_type(FromJID),
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@ -497,24 +445,22 @@ check_limit_dests(SLimits, FromJID, Packet,
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%%% Convert Destination XML to record
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%%%-------------------------
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convert_dest_record(XMLs) ->
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lists:map(fun (XML) ->
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case fxml:get_tag_attr_s(<<"jid">>, XML) of
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<<"">> -> #dest{jid_string = none, full_xml = XML};
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JIDS ->
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Type = fxml:get_tag_attr_s(<<"type">>, XML),
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JIDJ = stj(JIDS),
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#dest{jid_string = JIDS, jid_jid = JIDJ,
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type = Type, full_xml = XML}
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end
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end,
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XMLs).
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-spec convert_dest_record([address()]) -> [#dest{}].
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convert_dest_record(Addrs) ->
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lists:map(
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fun(#address{jid = undefined} = Addr) ->
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#dest{jid_string = none, full_xml = Addr};
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(#address{jid = JID, type = Type} = Addr) ->
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#dest{jid_string = jid:to_string(JID), jid_jid = JID,
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type = Type, full_xml = Addr}
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end, Addrs).
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%%%-------------------------
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%%% Split destinations by existence of JID
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%%% and send error messages for other dests
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%%%-------------------------
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-spec split_dests_jid([#dest{}]) -> {[#dest{}], [#dest{}]}.
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split_dests_jid(Dests) ->
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lists:partition(fun (Dest) ->
|
||||
case Dest#dest.jid_string of
|
||||
@ -524,8 +470,9 @@ split_dests_jid(Dests) ->
|
||||
end,
|
||||
Dests).
|
||||
|
||||
-spec report_not_jid(jid(), stanza(), #dest{}) -> any().
|
||||
report_not_jid(From, Packet, Dests) ->
|
||||
Dests2 = [fxml:element_to_binary(Dest#dest.full_xml)
|
||||
Dests2 = [fxml:element_to_binary(xmpp:encode(Dest#dest.full_xml))
|
||||
|| Dest <- Dests],
|
||||
[route_error(From, From, Packet, jid_malformed,
|
||||
<<"This service can not process the address: ",
|
||||
@ -536,6 +483,7 @@ report_not_jid(From, Packet, Dests) ->
|
||||
%%% Group destinations by their servers
|
||||
%%%-------------------------
|
||||
|
||||
-spec group_dests([#dest{}]) -> [#group{}].
|
||||
group_dests(Dests) ->
|
||||
D = lists:foldl(fun (Dest, Dict) ->
|
||||
ServerS = (Dest#dest.jid_jid)#jid.server,
|
||||
@ -575,18 +523,17 @@ build_other_xml(Dests) ->
|
||||
lists:foldl(fun (Dest, R) ->
|
||||
XML = Dest#dest.full_xml,
|
||||
case Dest#dest.type of
|
||||
<<"to">> -> [add_delivered(XML) | R];
|
||||
<<"cc">> -> [add_delivered(XML) | R];
|
||||
<<"bcc">> -> R;
|
||||
to -> [add_delivered(XML) | R];
|
||||
cc -> [add_delivered(XML) | R];
|
||||
bcc -> R;
|
||||
_ -> [XML | R]
|
||||
end
|
||||
end,
|
||||
[], Dests).
|
||||
|
||||
add_delivered(#xmlel{name = Name, attrs = Attrs,
|
||||
children = Els}) ->
|
||||
Attrs2 = [{<<"delivered">>, <<"true">>} | Attrs],
|
||||
#xmlel{name = Name, attrs = Attrs2, children = Els}.
|
||||
-spec add_delivered(address()) -> address().
|
||||
add_delivered(Addr) ->
|
||||
Addr#address{delivered = true}.
|
||||
|
||||
%%%-------------------------
|
||||
%%% Add preliminary packets
|
||||
@ -636,7 +583,7 @@ decide_action_group(Group) ->
|
||||
|
||||
route_packet(From, ToDest, Packet, AAttrs, Others, Addresses) ->
|
||||
Dests = case ToDest#dest.type of
|
||||
<<"bcc">> -> [];
|
||||
bcc -> [];
|
||||
_ -> [ToDest]
|
||||
end,
|
||||
route_packet2(From, ToDest#dest.jid_string, Dests,
|
||||
@ -652,20 +599,20 @@ route_packet_multicast(From, ToS, Packet, AAttrs, Dests,
|
||||
Addresses)
|
||||
|| DFragment <- Fragmented_dests].
|
||||
|
||||
route_packet2(From, ToS, Dests, Packet, AAttrs,
|
||||
-spec route_packet2(jid(), binary(), [#dest{}], stanza(), list(), [address()]) -> ok.
|
||||
route_packet2(From, ToS, Dests, Packet, _AAttrs,
|
||||
Addresses) ->
|
||||
#xmlel{name = T, attrs = A, children = C} = Packet,
|
||||
C2 = case append_dests(Dests, Addresses) of
|
||||
[] -> C;
|
||||
ACs ->
|
||||
[#xmlel{name = <<"addresses">>, attrs = AAttrs,
|
||||
children = ACs}
|
||||
| C]
|
||||
end,
|
||||
Packet2 = #xmlel{name = T, attrs = A, children = C2},
|
||||
Els = case append_dests(Dests, Addresses) of
|
||||
[] ->
|
||||
xmpp:get_els(Packet);
|
||||
ACs ->
|
||||
[#addresses{list = ACs}|xmpp:get_els(Packet)]
|
||||
end,
|
||||
Packet2 = xmpp:set_els(Packet, Els),
|
||||
ToJID = stj(ToS),
|
||||
ejabberd_router:route(From, ToJID, Packet2).
|
||||
|
||||
-spec append_dests([#dest{}], {[address()], [address()]} | [address()]) -> [address()].
|
||||
append_dests(_Dests, {Others, Addresses}) ->
|
||||
Addresses++Others;
|
||||
append_dests([], Addresses) -> Addresses;
|
||||
@ -676,12 +623,14 @@ append_dests([Dest | Dests], Addresses) ->
|
||||
%%% Check relay
|
||||
%%%-------------------------
|
||||
|
||||
-spec check_relay(binary(), binary(), [#group{}]) -> ok.
|
||||
check_relay(RS, LS, Gs) ->
|
||||
case check_relay_required(RS, LS, Gs) of
|
||||
false -> ok;
|
||||
true -> throw(edrelay)
|
||||
end.
|
||||
|
||||
-spec check_relay_required(binary(), binary(), [#group{}]) -> boolean().
|
||||
check_relay_required(RServer, LServerS, Groups) ->
|
||||
case lists:suffix(str:tokens(LServerS, <<".">>),
|
||||
str:tokens(RServer, <<".">>)) of
|
||||
@ -689,6 +638,7 @@ check_relay_required(RServer, LServerS, Groups) ->
|
||||
false -> check_relay_required(LServerS, Groups)
|
||||
end.
|
||||
|
||||
-spec check_relay_required(binary(), [#group{}]) -> boolean().
|
||||
check_relay_required(LServerS, Groups) ->
|
||||
lists:any(fun (Group) -> Group#group.server /= LServerS
|
||||
end,
|
||||
@ -701,19 +651,16 @@ check_relay_required(LServerS, Groups) ->
|
||||
send_query_info(RServerS, LServiceS) ->
|
||||
case str:str(RServerS, <<"echo.">>) of
|
||||
1 -> false;
|
||||
_ -> send_query(RServerS, LServiceS, ?NS_DISCO_INFO)
|
||||
_ -> send_query(RServerS, LServiceS, #disco_info{})
|
||||
end.
|
||||
|
||||
send_query_items(RServerS, LServiceS) ->
|
||||
send_query(RServerS, LServiceS, ?NS_DISCO_ITEMS).
|
||||
send_query(RServerS, LServiceS, #disco_items{}).
|
||||
|
||||
send_query(RServerS, LServiceS, XMLNS) ->
|
||||
Packet = #xmlel{name = <<"iq">>,
|
||||
attrs = [{<<"to">>, RServerS}, {<<"type">>, <<"get">>}],
|
||||
children =
|
||||
[#xmlel{name = <<"query">>,
|
||||
attrs = [{<<"xmlns">>, XMLNS}],
|
||||
children = []}]},
|
||||
-spec send_query(binary(), binary(), [disco_info()|disco_items()]) -> ok.
|
||||
send_query(RServerS, LServiceS, SubEl) ->
|
||||
Packet = #iq{id = randoms:get_string(),
|
||||
type = get, sub_els = [SubEl]},
|
||||
ejabberd_router:route(stj(LServiceS), stj(RServerS),
|
||||
Packet).
|
||||
|
||||
@ -733,49 +680,40 @@ process_iqreply_error(From, LServiceS, _Packet) ->
|
||||
%%% Check protocol support: Receive response: Disco
|
||||
%%%-------------------------
|
||||
|
||||
process_iqreply_result(From, LServiceS, Packet, State) ->
|
||||
#xmlel{name = <<"query">>, attrs = Attrs2,
|
||||
children = Els2} =
|
||||
fxml:get_subtag(Packet, <<"query">>),
|
||||
case fxml:get_attr_s(<<"xmlns">>, Attrs2) of
|
||||
?NS_DISCO_INFO ->
|
||||
process_discoinfo_result(From, LServiceS, Els2, State);
|
||||
?NS_DISCO_ITEMS ->
|
||||
process_discoitems_result(From, LServiceS, Els2)
|
||||
-spec process_iqreply_result(jid(), binary(), iq()) -> any().
|
||||
process_iqreply_result(From, LServiceS, #iq{sub_els = [SubEl]}) ->
|
||||
case SubEl of
|
||||
#disco_info{} ->
|
||||
process_discoinfo_result(From, LServiceS, SubEl);
|
||||
#disco_items{} ->
|
||||
process_discoitems_result(From, LServiceS, SubEl);
|
||||
_ ->
|
||||
ok
|
||||
end.
|
||||
|
||||
%%%-------------------------
|
||||
%%% Check protocol support: Receive response: Disco Info
|
||||
%%%-------------------------
|
||||
|
||||
process_discoinfo_result(From, LServiceS, Els,
|
||||
_State) ->
|
||||
process_discoinfo_result(From, LServiceS, DiscoInfo) ->
|
||||
FromS = jts(From),
|
||||
case search_waiter(FromS, LServiceS, info) of
|
||||
{found_waiter, Waiter} ->
|
||||
process_discoinfo_result2(From, FromS, LServiceS, Els,
|
||||
process_discoinfo_result2(From, FromS, LServiceS, DiscoInfo,
|
||||
Waiter);
|
||||
_ -> ok
|
||||
end.
|
||||
|
||||
process_discoinfo_result2(From, FromS, LServiceS, Els,
|
||||
process_discoinfo_result2(From, FromS, LServiceS,
|
||||
#disco_info{features = Feats} = DiscoInfo,
|
||||
Waiter) ->
|
||||
Multicast_support =
|
||||
lists:any(
|
||||
fun(XML) ->
|
||||
case XML of
|
||||
#xmlel{name = <<"feature">>, attrs = Attrs} ->
|
||||
(?NS_ADDRESS) == fxml:get_attr_s(<<"var">>, Attrs);
|
||||
_ -> false
|
||||
end
|
||||
end,
|
||||
Els),
|
||||
Multicast_support = lists:member(?NS_ADDRESS, Feats),
|
||||
Group = Waiter#waiter.group,
|
||||
RServer = Group#group.server,
|
||||
case Multicast_support of
|
||||
true ->
|
||||
SenderT = sender_type(From),
|
||||
RLimits = get_limits_xml(Els, SenderT),
|
||||
RLimits = get_limits_xml(DiscoInfo, SenderT),
|
||||
add_response(RServer, {multicast_supported, FromS, RLimits}),
|
||||
FromM = Waiter#waiter.sender,
|
||||
DestsM = Group#group.dests,
|
||||
@ -799,90 +737,58 @@ process_discoinfo_result2(From, FromS, LServiceS, Els,
|
||||
end
|
||||
end.
|
||||
|
||||
get_limits_xml(Els, SenderT) ->
|
||||
LimitOpts = get_limits_els(Els),
|
||||
get_limits_xml(DiscoInfo, SenderT) ->
|
||||
LimitOpts = get_limits_els(DiscoInfo),
|
||||
build_remote_limit_record(LimitOpts, SenderT).
|
||||
|
||||
get_limits_els(Els) ->
|
||||
lists:foldl(fun (XML, R) ->
|
||||
case XML of
|
||||
#xmlel{name = <<"x">>, attrs = Attrs,
|
||||
children = SubEls} ->
|
||||
case ((?NS_XDATA) ==
|
||||
fxml:get_attr_s(<<"xmlns">>, Attrs))
|
||||
and
|
||||
(<<"result">> ==
|
||||
fxml:get_attr_s(<<"type">>, Attrs))
|
||||
of
|
||||
true -> get_limits_fields(SubEls) ++ R;
|
||||
false -> R
|
||||
end;
|
||||
_ -> R
|
||||
end
|
||||
end,
|
||||
[], Els).
|
||||
-spec get_limits_els(disco_info()) -> [{atom(), integer()}].
|
||||
get_limits_els(DiscoInfo) ->
|
||||
lists:flatmap(
|
||||
fun(#xdata{type = result} = X) ->
|
||||
get_limits_fields(X);
|
||||
(_) ->
|
||||
[]
|
||||
end, DiscoInfo#disco_info.xdata).
|
||||
|
||||
get_limits_fields(Fields) ->
|
||||
{Head, Tail} = lists:partition(fun (Field) ->
|
||||
case Field of
|
||||
#xmlel{name = <<"field">>,
|
||||
attrs = Attrs} ->
|
||||
(<<"FORM_TYPE">> ==
|
||||
fxml:get_attr_s(<<"var">>,
|
||||
Attrs))
|
||||
and
|
||||
(<<"hidden">> ==
|
||||
fxml:get_attr_s(<<"type">>,
|
||||
Attrs));
|
||||
_ -> false
|
||||
end
|
||||
end,
|
||||
Fields),
|
||||
-spec get_limits_fields(xdata()) -> [{atom(), integer()}].
|
||||
get_limits_fields(X) ->
|
||||
{Head, Tail} = lists:partition(
|
||||
fun(#xdata_field{var = Var, type = Type}) ->
|
||||
Var == <<"FORM_TYPE">> andalso Type == hidden
|
||||
end, X#xdata.fields),
|
||||
case Head of
|
||||
[] -> [];
|
||||
_ -> get_limits_values(Tail)
|
||||
end.
|
||||
|
||||
get_limits_values(Values) ->
|
||||
lists:foldl(fun (Value, R) ->
|
||||
case Value of
|
||||
#xmlel{name = <<"field">>, attrs = Attrs,
|
||||
children = SubEls} ->
|
||||
[#xmlel{name = <<"value">>, children = SubElsV}] =
|
||||
SubEls,
|
||||
Number = fxml:get_cdata(SubElsV),
|
||||
Name = fxml:get_attr_s(<<"var">>, Attrs),
|
||||
[{jlib:binary_to_atom(Name),
|
||||
jlib:binary_to_integer(Number)}
|
||||
| R];
|
||||
_ -> R
|
||||
end
|
||||
end,
|
||||
[], Values).
|
||||
-spec get_limits_values([xdata_field()]) -> [{atom(), integer()}].
|
||||
get_limits_values(Fields) ->
|
||||
lists:flatmap(
|
||||
fun(#xdata_field{var = Name, values = [Number]}) ->
|
||||
try
|
||||
[{binary_to_atom(Name, utf8), binary_to_integer(Number)}]
|
||||
catch _:badarg ->
|
||||
[]
|
||||
end;
|
||||
(_) ->
|
||||
[]
|
||||
end, Fields).
|
||||
|
||||
%%%-------------------------
|
||||
%%% Check protocol support: Receive response: Disco Items
|
||||
%%%-------------------------
|
||||
|
||||
process_discoitems_result(From, LServiceS, Els) ->
|
||||
process_discoitems_result(From, LServiceS, #disco_items{items = Items}) ->
|
||||
FromS = jts(From),
|
||||
case search_waiter(FromS, LServiceS, items) of
|
||||
{found_waiter, Waiter} ->
|
||||
List = lists:foldl(
|
||||
fun(XML, Res) ->
|
||||
case XML of
|
||||
#xmlel{name = <<"item">>, attrs = Attrs} ->
|
||||
SJID = fxml:get_attr_s(<<"jid">>, Attrs),
|
||||
case jid:from_string(SJID) of
|
||||
#jid{luser = <<"">>,
|
||||
lresource = <<"">>} ->
|
||||
[SJID | Res];
|
||||
_ -> Res
|
||||
end;
|
||||
_ -> Res
|
||||
end
|
||||
end,
|
||||
[], Els),
|
||||
List = lists:flatmap(
|
||||
fun(#disco_item{jid = #jid{luser = <<"">>,
|
||||
lresource = <<"">>} = J}) ->
|
||||
[J];
|
||||
(_) ->
|
||||
[]
|
||||
end, Items),
|
||||
case List of
|
||||
[] ->
|
||||
received_awaiter(FromS, Waiter, LServiceS);
|
||||
@ -1109,9 +1015,7 @@ get_limit_value(Name, Default, LimitOpts) ->
|
||||
false -> {default, Default}
|
||||
end.
|
||||
|
||||
type_of_stanza(#xmlel{name = <<"message">>}) -> message;
|
||||
type_of_stanza(#xmlel{name = <<"presence">>}) ->
|
||||
presence.
|
||||
type_of_stanza(Stanza) -> element(1, Stanza).
|
||||
|
||||
get_limit_number(message, Limits) ->
|
||||
Limits#limits.message;
|
||||
@ -1144,17 +1048,10 @@ fragment_dests(Dests, Limit_number) ->
|
||||
%% Some parts of code are borrowed from mod_muc_room.erl
|
||||
|
||||
-define(RFIELDT(Type, Var, Val),
|
||||
#xmlel{name = <<"field">>,
|
||||
attrs = [{<<"var">>, Var}, {<<"type">>, Type}],
|
||||
children =
|
||||
[#xmlel{name = <<"value">>, attrs = [],
|
||||
children = [{xmlcdata, Val}]}]}).
|
||||
#xdata_field{type = Type, var = Var, values = [Val]}).
|
||||
|
||||
-define(RFIELDV(Var, Val),
|
||||
#xmlel{name = <<"field">>, attrs = [{<<"var">>, Var}],
|
||||
children =
|
||||
[#xmlel{name = <<"value">>, attrs = [],
|
||||
children = [{xmlcdata, Val}]}]}).
|
||||
#xdata_field{var = Var, values = [Val]}).
|
||||
|
||||
iq_disco_info_extras(From, State) ->
|
||||
SenderT = sender_type(From),
|
||||
@ -1162,12 +1059,9 @@ iq_disco_info_extras(From, State) ->
|
||||
case iq_disco_info_extras2(SenderT, Service_limits) of
|
||||
[] -> [];
|
||||
List_limits_xmpp ->
|
||||
[#xmlel{name = <<"x">>,
|
||||
attrs =
|
||||
[{<<"xmlns">>, ?NS_XDATA}, {<<"type">>, <<"result">>}],
|
||||
children =
|
||||
[?RFIELDT(<<"hidden">>, <<"FORM_TYPE">>, (?NS_ADDRESS))]
|
||||
++ List_limits_xmpp}]
|
||||
#xdata{type = result,
|
||||
fields = [?RFIELDT(hidden, <<"FORM_TYPE">>, ?NS_ADDRESS)
|
||||
| List_limits_xmpp]}
|
||||
end.
|
||||
|
||||
sender_type(From) ->
|
||||
@ -1198,22 +1092,20 @@ to_binary(A) -> list_to_binary(hd(io_lib:format("~p", [A]))).
|
||||
%%%-------------------------
|
||||
|
||||
route_error(From, To, Packet, ErrType, ErrText) ->
|
||||
#xmlel{attrs = Attrs} = Packet,
|
||||
Lang = fxml:get_attr_s(<<"xml:lang">>, Attrs),
|
||||
Reply = make_reply(ErrType, Lang, ErrText),
|
||||
Err = jlib:make_error_reply(Packet, Reply),
|
||||
ejabberd_router:route(From, To, Err).
|
||||
Lang = xmpp:get_lang(Packet),
|
||||
Err = make_reply(ErrType, Lang, ErrText),
|
||||
ejabberd_router:route_error(From, To, Packet, Err).
|
||||
|
||||
make_reply(bad_request, Lang, ErrText) ->
|
||||
?ERRT_BAD_REQUEST(Lang, ErrText);
|
||||
xmpp:err_bad_request(ErrText, Lang);
|
||||
make_reply(jid_malformed, Lang, ErrText) ->
|
||||
?ERRT_JID_MALFORMED(Lang, ErrText);
|
||||
xmpp:err_jid_malformed(ErrText, Lang);
|
||||
make_reply(not_acceptable, Lang, ErrText) ->
|
||||
?ERRT_NOT_ACCEPTABLE(Lang, ErrText);
|
||||
xmpp:err_not_acceptable(ErrText, Lang);
|
||||
make_reply(internal_server_error, Lang, ErrText) ->
|
||||
?ERRT_INTERNAL_SERVER_ERROR(Lang, ErrText);
|
||||
xmpp:err_internal_server_error(ErrText, Lang);
|
||||
make_reply(forbidden, Lang, ErrText) ->
|
||||
?ERRT_FORBIDDEN(Lang, ErrText).
|
||||
xmpp:err_forbidden(ErrText, Lang).
|
||||
|
||||
stj(String) -> jid:from_string(String).
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user