diff options
Diffstat (limited to 'lib/inets')
-rw-r--r-- | lib/inets/doc/src/http_uri.xml | 13 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_handler.erl | 59 | ||||
-rw-r--r-- | lib/inets/src/http_lib/http_response.erl | 30 | ||||
-rw-r--r-- | lib/inets/src/http_lib/http_uri.erl | 31 | ||||
-rw-r--r-- | lib/inets/test/httpc_SUITE.erl | 70 | ||||
-rw-r--r-- | lib/inets/test/uri_SUITE.erl | 23 |
6 files changed, 180 insertions, 46 deletions
diff --git a/lib/inets/doc/src/http_uri.xml b/lib/inets/doc/src/http_uri.xml index 47c40da96a..64e6c7a6cc 100644 --- a/lib/inets/doc/src/http_uri.xml +++ b/lib/inets/doc/src/http_uri.xml @@ -117,7 +117,8 @@ <v>Options = [Option]</v> <v>Option = {ipv6_host_with_brackets, boolean()} | {scheme_defaults, scheme_defaults()} | - {fragment, boolean()}]</v> + {fragment, boolean()} | + {schema_validation_fun, fun()}]</v> <v>Result = {Scheme, UserInfo, Host, Port, Path, Query} | {Scheme, UserInfo, Host, Port, Path, Query, Fragment}</v> <v>UserInfo = user_info()</v> @@ -141,6 +142,16 @@ <p>If the fragment option is <c>true</c>, the URI fragment is returned as part of the parsing result, otherwise it is ignored.</p> + <p>Scheme validation fun is to be defined as follows: + + <code> +fun(SchemeStr :: string()) -> + valid | {error, Reason :: term()}. + </code> + + It is called before scheme string gets converted into scheme atom and + thus possible atom leak could be prevented</p> + <marker id="encode"></marker> </desc> </func> diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl index 6e6cc38c06..1044cffe6f 100644 --- a/lib/inets/src/http_client/httpc_handler.erl +++ b/lib/inets/src/http_client/httpc_handler.erl @@ -26,6 +26,7 @@ -include_lib("inets/src/http_lib/http_internal.hrl"). -include("httpc_internal.hrl"). +-define(IS_STREAMED(Code), ((Code =:= 200) orelse (Code =:= 206))). %%-------------------------------------------------------------------- %% Internal Application API @@ -163,22 +164,22 @@ info(Pid) -> %% Request should not be streamed stream(BodyPart, #request{stream = none} = Request, _) -> ?hcrt("stream - none", []), - {BodyPart, Request}; + {false, BodyPart, Request}; %% Stream to caller stream(BodyPart, #request{stream = Self} = Request, Code) - when ((Code =:= 200) orelse (Code =:= 206)) andalso + when ?IS_STREAMED(Code) andalso ((Self =:= self) orelse (Self =:= {self, once})) -> ?hcrt("stream - self", [{stream, Self}, {code, Code}]), httpc_response:send(Request#request.from, {Request#request.id, stream, BodyPart}), - {<<>>, Request}; + {true, <<>>, Request}; %% Stream to file %% This has been moved to start_stream/3 %% We keep this for backward compatibillity... stream(BodyPart, #request{stream = Filename} = Request, Code) - when ((Code =:= 200) orelse (Code =:= 206)) andalso is_list(Filename) -> + when ?IS_STREAMED(Code) andalso is_list(Filename) -> ?hcrt("stream - filename", [{stream, Filename}, {code, Code}]), case file:open(Filename, [write, raw, append, delayed_write]) of {ok, Fd} -> @@ -190,18 +191,18 @@ stream(BodyPart, #request{stream = Filename} = Request, Code) %% Stream to file stream(BodyPart, #request{stream = Fd} = Request, Code) - when ((Code =:= 200) orelse (Code =:= 206)) -> + when ?IS_STREAMED(Code) -> ?hcrt("stream to file", [{stream, Fd}, {code, Code}]), case file:write(Fd, BodyPart) of ok -> - {<<>>, Request}; + {true, <<>>, Request}; {error, Reason} -> exit({stream_to_file_failed, Reason}) end; stream(BodyPart, Request,_) -> % only 200 and 206 responses can be streamed ?hcrt("stream - ignore", [{request, Request}]), - {BodyPart, Request}. + {false, BodyPart, Request}. %%==================================================================== @@ -474,18 +475,18 @@ handle_info({Proto, _Socket, Data}, {Module, whole_body, [Body, Length]} -> ?hcrd("data processed - whole body", [{length, Length}]), {_, Code, _} = StatusLine, - {NewBody, NewRequest} = stream(Body, Request, Code), + {Streamed, NewBody, NewRequest} = stream(Body, Request, Code), %% When we stream we will not keep the already %% streamed data, that would be a waste of memory. NewLength = - case Stream of - none -> + case Streamed of + false -> Length; - _ -> + true -> Length - size(Body) end, - NewState = next_body_chunk(State), + NewState = next_body_chunk(State, Code), NewMFA = {Module, whole_body, [NewBody, NewLength]}, {noreply, NewState#state{mfa = NewMFA, request = NewRequest}}; @@ -497,8 +498,8 @@ handle_info({Proto, _Socket, Data}, %% The response body is chunk-encoded. Steal decoded %% chunks as much as possible to stream. {_, Code, _} = StatusLine, - {NewBody, NewRequest} = stream(BodySoFar, Request, Code), - NewState = next_body_chunk(State), + {_, NewBody, NewRequest} = stream(BodySoFar, Request, Code), + NewState = next_body_chunk(State, Code), NewMFA = {Module, decode_size, [TotalChunk, HexList, {MaxBodySize, NewBody, AccLength, MaxHeaderSize}]}, @@ -517,8 +518,8 @@ handle_info({Proto, _Socket, Data}, NewChunkSize = ChunkSize - ChunkSizeToSteal, {_, Code, _} = StatusLine, - {NewBody, NewRequest} = stream(StolenBody, Request, Code), - NewState = next_body_chunk(State), + {_, NewBody, NewRequest} = stream(StolenBody, Request, Code), + NewState = next_body_chunk(State, Code), NewMFA = {Module, decode_data, [NewChunkSize, NewTotalChunk, {MaxBodySize, NewBody, AccLength, MaxHeaderSize}]}, @@ -1071,13 +1072,13 @@ handle_http_msg({ChunkedHeaders, Body}, ?hcrt("handle_http_msg", [{chunked_headers, ChunkedHeaders}, {headers, Headers}]), NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), - {NewBody, NewRequest} = stream(Body, State#state.request, Code), + {_, NewBody, NewRequest} = stream(Body, State#state.request, Code), handle_response(State#state{headers = NewHeaders, body = NewBody, request = NewRequest}); handle_http_msg(Body, #state{status_line = {_,Code, _}} = State) -> ?hcrt("handle_http_msg", [{code, Code}]), - {NewBody, NewRequest} = stream(Body, State#state.request, Code), + {_, NewBody, NewRequest} = stream(Body, State#state.request, Code), handle_response(State#state{body = NewBody, request = NewRequest}). handle_http_body(_, #state{status = {ssl_tunnel, _}, @@ -1119,7 +1120,7 @@ handle_http_body(Body, #state{headers = Headers, [{module, Module}, {function, Function}, {args, Args}]), - NewState = next_body_chunk(State), + NewState = next_body_chunk(State, Code), {noreply, NewState#state{mfa = {Module, Function, Args}}}; {ok, {ChunkedHeaders, NewBody}} -> @@ -1133,7 +1134,7 @@ handle_http_body(Body, #state{headers = Headers, handle_response(State#state{headers = NewHeaders, body = NewBody}); _ -> - {NewBody2, _NewRequest} = + {_, NewBody2, _} = stream(NewBody, Request, Code), handle_response(State#state{headers = NewHeaders, body = NewBody2}) @@ -1147,12 +1148,12 @@ handle_http_body(Body, #state{headers = Headers, true -> case httpc_response:whole_body(Body, Length) of {ok, Body} -> - {NewBody, NewRequest} = + {_, NewBody, NewRequest} = stream(Body, Request, Code), handle_response(State#state{body = NewBody, request = NewRequest}); MFA -> - NewState = next_body_chunk(State), + NewState = next_body_chunk(State, Code), {noreply, NewState#state{mfa = MFA}} end; false -> @@ -1646,21 +1647,21 @@ start_stream({_Version, _Code, _ReasonPhrase}, _Headers, {ok, Request}; start_stream({_Version, Code, _ReasonPhrase}, Headers, #request{stream = self} = Request) - when (Code =:= 200) orelse (Code =:= 206) -> + when ?IS_STREAMED(Code) -> ?hcrt("start stream - self", [{code, Code}]), Msg = httpc_response:stream_start(Headers, Request, ignore), httpc_response:send(Request#request.from, Msg), {ok, Request}; start_stream({_Version, Code, _ReasonPhrase}, Headers, #request{stream = {self, once}} = Request) - when (Code =:= 200) orelse (Code =:= 206) -> + when ?IS_STREAMED(Code) -> ?hcrt("start stream - self:once", [{code, Code}]), Msg = httpc_response:stream_start(Headers, Request, self()), httpc_response:send(Request#request.from, Msg), {ok, Request}; start_stream({_Version, Code, _ReasonPhrase}, _Headers, #request{stream = Filename} = Request) - when ((Code =:= 200) orelse (Code =:= 206)) andalso is_list(Filename) -> + when ?IS_STREAMED(Code) andalso is_list(Filename) -> ?hcrt("start stream", [{code, Code}, {filename, Filename}]), case file:open(Filename, [write, raw, append, delayed_write]) of {ok, Fd} -> @@ -1712,13 +1713,15 @@ end_stream(SL, R) -> next_body_chunk(#state{request = #request{stream = {self, once}}, once = once, - session = Session} = State) -> + session = Session} = State, + Code) when ?IS_STREAMED(Code) -> activate_once(Session), State#state{once = inactive}; next_body_chunk(#state{request = #request{stream = {self, once}}, - once = inactive} = State) -> + once = inactive} = State, + Code) when ?IS_STREAMED(Code) -> State; %% Wait for user to call stream_next -next_body_chunk(#state{session = Session} = State) -> +next_body_chunk(#state{session = Session} = State, _) -> activate_once(Session), State. diff --git a/lib/inets/src/http_lib/http_response.erl b/lib/inets/src/http_lib/http_response.erl index 58b30c4e9e..d13670700c 100644 --- a/lib/inets/src/http_lib/http_response.erl +++ b/lib/inets/src/http_lib/http_response.erl @@ -31,16 +31,11 @@ %% Value - string() %% %% Description: Creates a http_response_h-record used internally to -%% handle http-headers. +%% handle http-headers, assumes reversed list of headers +%% to unfold multiline headers with obs-folds %%------------------------------------------------------------------------- -headers([], Headers) -> - Headers; - -headers([Header | Tail], Headers) -> - {Key, [$: | Value]} = - lists:splitwith(fun($:) -> false; (_) -> true end, Header), - headers(Tail, headers(http_util:to_lower(string:strip(Key)), - string:strip(Value), Headers)). +headers(RevLines, Headers) -> + fill_headers(RevLines, [], Headers). %%------------------------------------------------------------------------- %% headers(#http_response_h{}) -> HeaderList @@ -68,6 +63,23 @@ header_list(Headers) -> %%%======================================================================== %%% Internal functions %%%======================================================================== +fill_headers([], _, Headers) -> + Headers; +fill_headers([[Ch|HeaderFold]|Tail], Folded, Headers) + when Ch == $\t; Ch == $\s -> + fill_headers(Tail, [HeaderFold|Folded], Headers); +fill_headers([Header | Tail], Folded, Headers) -> + Unfolded = unfold([Header|Folded]), + {Key, [$: | Value]} = + lists:splitwith(fun($:) -> false; (_) -> true end, Unfolded), + fill_headers(Tail, [], headers(http_util:to_lower(string:strip(Key)), + string:strip(Value), Headers)). + +unfold([L]) -> + L; +unfold(Folded) -> + string:join(Folded, " "). + headers("cache-control", Value, Headers) -> Headers#http_response_h{'cache-control'= Value}; headers("connection", Value, Headers) -> diff --git a/lib/inets/src/http_lib/http_uri.erl b/lib/inets/src/http_lib/http_uri.erl index 79591eec29..6fe8c1776d 100644 --- a/lib/inets/src/http_lib/http_uri.erl +++ b/lib/inets/src/http_lib/http_uri.erl @@ -138,16 +138,33 @@ parse_scheme(AbsURI, Opts) -> {error, no_scheme} -> {error, no_scheme}; {SchemeStr, Rest} -> - Scheme = list_to_atom(http_util:to_lower(SchemeStr)), - SchemeDefaults = which_scheme_defaults(Opts), - case lists:keysearch(Scheme, 1, SchemeDefaults) of - {value, {Scheme, DefaultPort}} -> - {Scheme, DefaultPort, Rest}; - false -> - {Scheme, no_default_port, Rest} + case extract_scheme(SchemeStr, Opts) of + {error, Error} -> + {error, Error}; + {ok, Scheme} -> + SchemeDefaults = which_scheme_defaults(Opts), + case lists:keysearch(Scheme, 1, SchemeDefaults) of + {value, {Scheme, DefaultPort}} -> + {Scheme, DefaultPort, Rest}; + false -> + {Scheme, no_default_port, Rest} + end end end. +extract_scheme(Str, Opts) -> + case lists:keysearch(scheme_validation_fun, 1, Opts) of + {value, {scheme_validation_fun, Fun}} when is_function(Fun) -> + case Fun(Str) of + valid -> + {ok, list_to_atom(http_util:to_lower(Str))}; + {error, Error} -> + {error, Error} + end; + _ -> + {ok, list_to_atom(http_util:to_lower(Str))} + end. + parse_uri_rest(Scheme, DefaultPort, "//" ++ URIPart, Opts) -> {Authority, PathQueryFragment} = split_uri(URIPart, "[/?#]", {URIPart, ""}, 1, 0), diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl index 5b40d08859..989563cdbc 100644 --- a/lib/inets/test/httpc_SUITE.erl +++ b/lib/inets/test/httpc_SUITE.erl @@ -98,6 +98,8 @@ only_simulated() -> stream_once, stream_single_chunk, stream_no_length, + not_streamed_once, + stream_large_not_200_or_206, no_content_204, tolerate_missing_CR, userinfo, @@ -105,6 +107,7 @@ only_simulated() -> internal_server_error, invalid_http, headers_dummy, + headers_with_obs_fold, empty_response_header, remote_socket_close, remote_socket_close_async, @@ -407,6 +410,21 @@ stream_no_length(Config) when is_list(Config) -> stream_test(Request1, {stream, self}), Request2 = {url(group_name(Config), "/http_1_0_no_length_multiple.html", Config), []}, stream_test(Request2, {stream, self}). +%%------------------------------------------------------------------------- +stream_large_not_200_or_206() -> + [{doc, "Test the option stream for large responses with status codes " + "other than 200 or 206" }]. +stream_large_not_200_or_206(Config) when is_list(Config) -> + Request = {url(group_name(Config), "/large_404_response.html", Config), []}, + {404, _} = not_streamed_test(Request, {stream, self}). +%%------------------------------------------------------------------------- +not_streamed_once() -> + [{doc, "Test not streamed responses with once streaming"}]. +not_streamed_once(Config) when is_list(Config) -> + Request0 = {url(group_name(Config), "/404.html", Config), []}, + {404, _} = not_streamed_test(Request0, {stream, {self, once}}), + Request1 = {url(group_name(Config), "/404_chunked.html", Config), []}, + {404, _} = not_streamed_test(Request1, {stream, {self, once}}). %%------------------------------------------------------------------------- @@ -893,6 +911,13 @@ headers_dummy(Config) when is_list(Config) -> %%------------------------------------------------------------------------- +headers_with_obs_fold(Config) when is_list(Config) -> + Request = {url(group_name(Config), "/obs_folded_headers.html", Config), []}, + {ok, {{_,200,_}, Headers, [_|_]}} = httpc:request(get, Request, [], []), + "a b" = proplists:get_value("folded", Headers). + +%%------------------------------------------------------------------------- + invalid_headers(Config) -> Request = {url(group_name(Config), "/dummy.html", Config), [{"cookie", undefined}]}, {error, _} = httpc:request(get, Request, [], []). @@ -1109,6 +1134,19 @@ stream_test(Request, To) -> Body = binary_to_list(StreamedBody). +not_streamed_test(Request, To) -> + {ok, {{_,Code,_}, [_ | _], Body}} = + httpc:request(get, Request, [], [{body_format, binary}]), + {ok, RequestId} = + httpc:request(get, Request, [], [{body_format, binary}, {sync, false}, To]), + + receive + {http, {RequestId, {{_, Code, _}, _Headers, Body}}} -> + {Code, binary_to_list(Body)}; + {http, Msg} -> + ct:fail(Msg) + end. + url(http, End, Config) -> Port = ?config(port, Config), {ok,Host} = inet:gethostname(), @@ -1640,6 +1678,11 @@ handle_uri(_,"/307.html",Port,_,Socket,_) -> "Content-Length:" ++ integer_to_list(length(Body)) ++ "\r\n\r\n" ++ Body; +handle_uri(_,"/404.html",_,_,_,_) -> + "HTTP/1.1 404 not found\r\n" ++ + "Content-Length:14\r\n\r\n" ++ + "Page not found"; + handle_uri(_,"/500.html",_,_,_,_) -> "HTTP/1.1 500 Internal Server Error\r\n" ++ "Content-Length:47\r\n\r\n" ++ @@ -1713,6 +1756,13 @@ handle_uri(_,"/dummy_headers.html",_,_,Socket,_) -> send(Socket, http_chunk:encode("obar</BODY></HTML>")), http_chunk:encode_last(); +handle_uri(_,"/obs_folded_headers.html",_,_,_,_) -> + "HTTP/1.1 200 ok\r\n" + "Content-Length:5\r\n" + "Folded: a\r\n" + " b\r\n\r\n" + "Hello"; + handle_uri(_,"/capital_transfer_encoding.html",_,_,Socket,_) -> Head = "HTTP/1.1 200 ok\r\n" ++ "Transfer-Encoding:Chunked\r\n\r\n", @@ -1768,6 +1818,15 @@ handle_uri(_,"/once_chunked.html",_,_,Socket,_) -> http_chunk:encode("obar</BODY></HTML>")), http_chunk:encode_last(); +handle_uri(_,"/404_chunked.html",_,_,Socket,_) -> + Head = "HTTP/1.1 404 not found\r\n" ++ + "Transfer-Encoding:Chunked\r\n\r\n", + send(Socket, Head), + send(Socket, http_chunk:encode("<HTML><BODY>Not ")), + send(Socket, + http_chunk:encode("found</BODY></HTML>")), + http_chunk:encode_last(); + handle_uri(_,"/single_chunk.html",_,_,Socket,_) -> Chunk = "HTTP/1.1 200 ok\r\n" ++ "Transfer-Encoding:Chunked\r\n\r\n" ++ @@ -1792,6 +1851,17 @@ handle_uri(_,"/http_1_0_no_length_multiple.html",_,_,Socket,_) -> send(Socket, string:copies("other multiple packets ", 200)), close(Socket); +handle_uri(_,"/large_404_response.html",_,_,Socket,_) -> + %% long body to make sure it will be sent in multiple tcp packets + Body = string:copies("other multiple packets ", 200), + Head = io_lib:format("HTTP/1.1 404 not found\r\n" + "Content-length: ~B\r\n" + "Content-type: text/plain\r\n\r\n", + [length(Body)]), + send(Socket, Head), + send(Socket, Body), + close(Socket); + handle_uri(_,"/once.html",_,_,Socket,_) -> Head = "HTTP/1.1 200 ok\r\n" ++ "Content-Length:32\r\n\r\n", diff --git a/lib/inets/test/uri_SUITE.erl b/lib/inets/test/uri_SUITE.erl index bfcd7bd339..2642b8fd4e 100644 --- a/lib/inets/test/uri_SUITE.erl +++ b/lib/inets/test/uri_SUITE.erl @@ -49,7 +49,8 @@ all() -> queries, fragments, escaped, - hexed_query + hexed_query, + scheme_validation ]. %%-------------------------------------------------------------------- @@ -175,6 +176,26 @@ hexed_query(Config) when is_list(Config) -> verify_uri(URI2, Verify2), verify_uri(URI3, Verify3). +scheme_validation(Config) when is_list(Config) -> + {ok, {http,[],"localhost",80,"/",""}} = + http_uri:parse("http://localhost#fragment"), + + ValidationFun = + fun("http") -> valid; + (_) -> {error, bad_scheme} + end, + + {ok, {http,[],"localhost",80,"/",""}} = + http_uri:parse("http://localhost#fragment", + [{scheme_validation_fun, ValidationFun}]), + {error, bad_scheme} = + http_uri:parse("https://localhost#fragment", + [{scheme_validation_fun, ValidationFun}]), + %% non-fun scheme_validation_fun works as no option passed + {ok, {https,[],"localhost",443,"/",""}} = + http_uri:parse("https://localhost#fragment", + [{scheme_validation_fun, none}]). + %%-------------------------------------------------------------------- %% Internal Functions ------------------------------------------------ |