diff options
-rw-r--r-- | doc/src/manual/cowboy_rest.asciidoc | 4 | ||||
-rw-r--r-- | src/cowboy_compress_h.erl | 1 | ||||
-rw-r--r-- | test/rfc7231_SUITE.erl | 96 |
3 files changed, 99 insertions, 2 deletions
diff --git a/doc/src/manual/cowboy_rest.asciidoc b/doc/src/manual/cowboy_rest.asciidoc index 105506a..1b33bb8 100644 --- a/doc/src/manual/cowboy_rest.asciidoc +++ b/doc/src/manual/cowboy_rest.asciidoc @@ -667,7 +667,9 @@ Return the list of request headers that affect the representation of the resource. Cowboy automatically adds the accept, accept-charset and -accept-language headers when necessary. +accept-language headers when necessary. It's also useful +to note that some standard headers also do not need to be +listed here, like the authorization header. == Changelog diff --git a/src/cowboy_compress_h.erl b/src/cowboy_compress_h.erl index 9dcb805..fb5ed71 100644 --- a/src/cowboy_compress_h.erl +++ b/src/cowboy_compress_h.erl @@ -66,6 +66,7 @@ early_error(StreamID, Reason, PartialReq, Resp, Opts) -> %% Check if the client supports decoding of gzip responses. check_req(Req) -> + %% @todo Probably shouldn't unconditionally crash on failure. case cowboy_req:parse_header(<<"accept-encoding">>, Req) of %% Client doesn't support any compression algorithm. undefined -> diff --git a/test/rfc7231_SUITE.erl b/test/rfc7231_SUITE.erl index fca7443..5b5adeb 100644 --- a/test/rfc7231_SUITE.erl +++ b/test/rfc7231_SUITE.erl @@ -215,6 +215,9 @@ method_trace(Config) -> %% Request headers. +%% @todo It could be useful to check that we can parse all request headers defined in this RFC. +%% @todo The same applies to any other RFC for which we have a test suite. + expect(Config) -> doc("A server that receives a 100-continue expectation should honor it. (RFC7231 5.1.1)"), ConnPid = gun_open(Config), @@ -311,7 +314,7 @@ do_expect_discard_body_close(Config) -> {<<"content-type">>, <<"application/x-www-form-urlencoded">>}, {<<"expect">>, <<"100-continue">>} ]), - {response, nofin, 200, Headers} = gun:await(ConnPid, Ref1), + {response, nofin, 200, _Headers} = gun:await(ConnPid, Ref1), %% Ideally we would send a connection: close. Cowboy however %% cannot know the intent of the application until after we %% sent the response. @@ -803,3 +806,94 @@ status_code_505(Config) -> %% %% Cowboy does not do version checking for HTTP/2 since the protocol %% does not include a version number in the messages. + +%% Response headers. + +%% @todo No such header in this suite, but some in other suites (if-(un)modified-since). +% A recipient that parses a timestamp value in an HTTP header field +% MUST accept all three HTTP-date formats. (RFC7231 7.1.1.1) + +date_imf_fixdate(Config) -> + doc("The date header uses the IMF-fixdate format. (RFC7231 7.1.1.1, RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {response, nofin, 200, Headers} = gun:await(ConnPid, Ref), + {_, <<_,_,_,", ",_,_," ",_,_,_," ",_,_,_,_," ",_,_,":",_,_,":",_,_," GMT">>} + = lists:keyfind(<<"date">>, 1, Headers), + ok. + +%% @todo Applies to both date and other headers (if-(un)modified-since). +% HTTP-date is case sensitive. A sender MUST NOT generate additional +% whitespace in an HTTP-date beyond that specifically included as SP in +% the grammar. The semantics of day-name, day, month, year, and +% time-of-day are the same as those defined for the Internet Message +% Format constructs with the corresponding name ([RFC5322], Section +% 3.3). (RFC7231 7.1.1.1) + +%% @todo No such header in this suite, but some in other suites (if-(un)modified-since). +% Recipients of a timestamp value in rfc850-date format, which uses a +% two-digit year, MUST interpret a timestamp that appears to be more +% than 50 years in the future as representing the most recent year in +% the past that had the same last two digits. (RFC7231 7.1.1.1) + +%% @todo Add an option to disable sending the date header. +% An origin server MUST NOT send a Date header field if it does not +% have a clock capable of providing a reasonable approximation of the +% current instance in Coordinated Universal Time. (RFC7231 7.1.1.2) + +no_date_1xx(Config) -> + doc("The date header is optional for 1xx responses. " + "Cowboy does not send it with those responses. (RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/resp/inform2/100", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {inform, 100, Headers} = gun:await(ConnPid, Ref), + false = lists:keyfind(<<"date">>, 1, Headers), + ok. + +date_2xx(Config) -> + doc("A date header must be sent for 2xx status codes. (RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/resp/reply2/200", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {response, _, 200, Headers} = gun:await(ConnPid, Ref), + {_, _} = lists:keyfind(<<"date">>, 1, Headers), + ok. + +date_3xx(Config) -> + doc("A date header must be sent for 3xx status codes. (RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/resp/reply2/300", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {response, _, 300, Headers} = gun:await(ConnPid, Ref), + {_, _} = lists:keyfind(<<"date">>, 1, Headers), + ok. + +date_4xx(Config) -> + doc("A date header must be sent for 4xx status codes. (RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/resp/reply2/400", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {response, _, 400, Headers} = gun:await(ConnPid, Ref), + {_, _} = lists:keyfind(<<"date">>, 1, Headers), + ok. + +date_5xx(Config) -> + doc("The date header is optional for 5xx status codes. " + "Cowboy however does send it with those responses. (RFC7231 7.1.1.2)"), + ConnPid = gun_open(Config), + Ref = gun:get(ConnPid, "/resp/reply2/500", [ + {<<"accept-encoding">>, <<"gzip">>} + ]), + {response, _, 500, Headers} = gun:await(ConnPid, Ref), + {_, _} = lists:keyfind(<<"date">>, 1, Headers), + ok. + +%% @todo It's worth revisiting this RFC in the context of cowboy_rest +%% to ensure the state machine is doing what's expected by the RFC. |