diff options
Diffstat (limited to 'lib/inets/src/http_client')
-rw-r--r-- | lib/inets/src/http_client/httpc.erl | 2 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_handler.erl | 79 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_manager.erl | 4 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_response.erl | 44 |
4 files changed, 87 insertions, 42 deletions
diff --git a/lib/inets/src/http_client/httpc.erl b/lib/inets/src/http_client/httpc.erl index 418b6247b0..bf2da82603 100644 --- a/lib/inets/src/http_client/httpc.erl +++ b/lib/inets/src/http_client/httpc.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2009-2016. All Rights Reserved. +%% Copyright Ericsson AB 2009-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl index c99200777b..1482f4f922 100644 --- a/lib/inets/src/http_client/httpc_handler.erl +++ b/lib/inets/src/http_client/httpc_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2016. All Rights Reserved. +%% Copyright Ericsson AB 2002-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -109,7 +109,7 @@ start_link(Parent, Request, Options, ProfileName) -> %% to be called by the httpc manager process. %%-------------------------------------------------------------------- send(Request, Pid) -> - call(Request, Pid, 5000). + call(Request, Pid). %%-------------------------------------------------------------------- @@ -712,12 +712,16 @@ do_handle_info({'EXIT', _, _}, State = #state{request = undefined}) -> do_handle_info({'EXIT', _, _}, State) -> {noreply, State#state{status = close}}. - call(Msg, Pid) -> - call(Msg, Pid, infinity). - -call(Msg, Pid, Timeout) -> - gen_server:call(Pid, Msg, Timeout). + try gen_server:call(Pid, Msg) + catch + exit:{noproc, _} -> + {error, closed}; + exit:{normal, _} -> + {error, closed}; + exit:{{shutdown, _},_} -> + {error, closed} + end. cast(Msg, Pid) -> gen_server:cast(Pid, Msg). @@ -736,7 +740,7 @@ maybe_send_answer(Request, Answer, State) -> answer_request(Request, Answer, State). deliver_answer(#request{from = From} = Request) - when is_pid(From) -> + when From =/= answer_sent -> Response = httpc_response:error(Request, socket_closed_remotely), httpc_response:send(From, Response); deliver_answer(_Request) -> @@ -1175,17 +1179,20 @@ handle_empty_queue(Session, ProfileName, TimeOut, State) -> %% If a pipline | keep_alive session has been idle for some time is not %% closed by the server, the client may want to close it. NewState = activate_queue_timeout(TimeOut, State), - update_session(ProfileName, Session, #session.queue_length, 0), - %% Note mfa will be initialized when a new request - %% arrives. - {noreply, - NewState#state{request = undefined, - mfa = undefined, - status_line = undefined, - headers = undefined, - body = undefined - } - }. + case update_session(ProfileName, Session, #session.queue_length, 0) of + {stop, Reason} -> + {stop, {shutdown, Reason}, State}; + _ -> + %% Note mfa will be initialized when a new request + %% arrives. + {noreply, + NewState#state{request = undefined, + mfa = undefined, + status_line = undefined, + headers = undefined, + body = undefined + }} + end. receive_response(Request, Session, Data, State) -> NewState = init_wait_for_response_state(Request, State), @@ -1224,7 +1231,7 @@ close_socket(#session{socket = Socket, socket_type = SocketType}) -> http_transport:close(SocketType, Socket). activate_request_timeout( - #state{request = #request{timer = undefined} = Request} = State) -> + #state{request = #request{timer = OldRef} = Request} = State) -> Timeout = (Request#request.settings)#http_options.timeout, case Timeout of infinity -> @@ -1232,17 +1239,21 @@ activate_request_timeout( _ -> ReqId = Request#request.id, Msg = {timeout, ReqId}, + case OldRef of + undefined -> + ok; + _ -> + %% Timer is already running! This is the case for a redirect or retry + %% We need to restart the timer because the handler pid has changed + cancel_timer(OldRef, Msg) + end, Ref = erlang:send_after(Timeout, self(), Msg), Request2 = Request#request{timer = Ref}, ReqTimers = [{Request#request.id, Ref} | (State#state.timers)#timers.request_timers], Timers = #timers{request_timers = ReqTimers}, State#state{request = Request2, timers = Timers} - end; - -%% Timer is already running! This is the case for a redirect or retry -activate_request_timeout(State) -> - State. + end. activate_queue_timeout(infinity, State) -> State; @@ -1673,7 +1684,7 @@ update_session(ProfileName, #session{id = SessionId} = Session, Pos, Value) -> Session2 = erlang:setelement(Pos, Session, Value), insert_session(Session2, ProfileName); error:badarg -> - exit(normal); %% Manager has been shutdown + {stop, normal}; T:E -> %% Unexpected this must be an error! Stacktrace = erlang:get_stacktrace(), @@ -1693,14 +1704,14 @@ update_session(ProfileName, #session{id = SessionId} = Session, Pos, Value) -> Session, (catch httpc_manager:lookup_session(SessionId, ProfileName)), T, E]), - exit({failed_updating_session, - [{profile, ProfileName}, - {session_id, SessionId}, - {pos, Pos}, - {value, Value}, - {etype, T}, - {error, E}, - {stacktrace, Stacktrace}]}) + {stop, {failed_updating_session, + [{profile, ProfileName}, + {session_id, SessionId}, + {pos, Pos}, + {value, Value}, + {etype, T}, + {error, E}, + {stacktrace, Stacktrace}]}} end. diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl index a63864493f..ffdf1603b3 100644 --- a/lib/inets/src/http_client/httpc_manager.erl +++ b/lib/inets/src/http_client/httpc_manager.erl @@ -849,11 +849,11 @@ pipeline_or_keep_alive(#request{id = Id, from = From} = Request, HandlerPid, #state{handler_db = HandlerDb} = State) -> - case (catch httpc_handler:send(Request, HandlerPid)) of + case httpc_handler:send(Request, HandlerPid) of ok -> HandlerInfo = {Id, HandlerPid, From}, ets:insert(HandlerDb, HandlerInfo); - _ -> % timeout pipelining failed + {error, closed} -> % timeout pipelining failed start_handler(Request, State) end. diff --git a/lib/inets/src/http_client/httpc_response.erl b/lib/inets/src/http_client/httpc_response.erl index 5fbceb8ad0..91638f5d2e 100644 --- a/lib/inets/src/http_client/httpc_response.erl +++ b/lib/inets/src/http_client/httpc_response.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2016. All Rights Reserved. +%% Copyright Ericsson AB 2004-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -269,7 +269,7 @@ parse_headers(<<?LF,?LF,Body/binary>>, Header, Headers, MaxHeaderSize, Result, Relaxed); parse_headers(<<?CR,?LF,?CR,?LF,Body/binary>>, Header, Headers, - MaxHeaderSize, Result, _) -> + MaxHeaderSize, Result, Relaxed) -> HTTPHeaders = [lists:reverse(Header) | Headers], Length = lists:foldl(fun(H, Acc) -> length(H) + Acc end, 0, HTTPHeaders), @@ -277,8 +277,42 @@ parse_headers(<<?CR,?LF,?CR,?LF,Body/binary>>, Header, Headers, true -> ResponseHeaderRcord = http_response:headers(HTTPHeaders, #http_response_h{}), - {ok, list_to_tuple( - lists:reverse([Body, ResponseHeaderRcord | Result]))}; + + %% RFC7230, Section 3.3.3 + %% If a message is received with both a Transfer-Encoding and a + %% Content-Length header field, the Transfer-Encoding overrides the + %% Content-Length. Such a message might indicate an attempt to + %% perform request smuggling (Section 9.5) or response splitting + %% (Section 9.4) and ought to be handled as an error. A sender MUST + %% remove the received Content-Length field prior to forwarding such + %% a message downstream. + case ResponseHeaderRcord#http_response_h.'transfer-encoding' of + undefined -> + {ok, list_to_tuple( + lists:reverse([Body, ResponseHeaderRcord | Result]))}; + Value -> + TransferEncoding = string:lowercase(Value), + ContentLength = ResponseHeaderRcord#http_response_h.'content-length', + if + %% Respond without error but remove Content-Length field in relaxed mode + (Relaxed =:= true) + andalso (TransferEncoding =:= "chunked") + andalso (ContentLength =/= "-1") -> + ResponseHeaderRcordFixed = + ResponseHeaderRcord#http_response_h{'content-length' = "-1"}, + {ok, list_to_tuple( + lists:reverse([Body, ResponseHeaderRcordFixed | Result]))}; + %% Respond with error in default (not relaxed) mode + (Relaxed =:= false) + andalso (TransferEncoding =:= "chunked") + andalso (ContentLength =/= "-1") -> + throw({error, {headers_conflict, {'content-length', + 'transfer-encoding'}}}); + true -> + {ok, list_to_tuple( + lists:reverse([Body, ResponseHeaderRcord | Result]))} + end + end; false -> throw({error, {header_too_long, MaxHeaderSize, MaxHeaderSize-Length}}) @@ -435,7 +469,7 @@ format_response({StatusLine, Headers, Body}) -> Length = list_to_integer(Headers#http_response_h.'content-length'), {NewBody, Data} = case Length of - -1 -> % When no lenght indicator is provided + -1 -> % When no length indicator is provided {Body, <<>>}; Length when (Length =< size(Body)) -> <<BodyThisReq:Length/binary, Next/binary>> = Body, |