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Diffstat (limited to 'test/rfc7230_SUITE.erl')
| -rw-r--r-- | test/rfc7230_SUITE.erl | 1388 |
1 files changed, 1388 insertions, 0 deletions
diff --git a/test/rfc7230_SUITE.erl b/test/rfc7230_SUITE.erl new file mode 100644 index 0000000..15d1fc5 --- /dev/null +++ b/test/rfc7230_SUITE.erl @@ -0,0 +1,1388 @@ +%% Copyright (c) 2015, Loïc Hoguin <[email protected]> +%% +%% Permission to use, copy, modify, and/or distribute this software for any +%% purpose with or without fee is hereby granted, provided that the above +%% copyright notice and this permission notice appear in all copies. +%% +%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +-module(rfc7230_SUITE). +-compile(export_all). + +-import(ct_helper, [doc/1]). +-import(cowboy_test, [raw_open/1]). +-import(cowboy_test, [raw_send/2]). +-import(cowboy_test, [raw_recv_head/1]). +-import(cowboy_test, [raw_recv/3]). + +all() -> [{group, http}]. + +groups() -> [{http, [parallel], ct_helper:all(?MODULE)}]. + +init_per_group(Name = http, Config) -> + cowboy_test:init_http(Name = http, [ + {env, [{dispatch, cowboy_router:compile(init_routes(Config))}]} + ], Config). + +end_per_group(Name, _) -> + ok = cowboy:stop_listener(Name). + +init_routes(_) -> [ + {"localhost", [ + {"/", hello_h, []}, + {"/echo/:key", echo_h, []} +%% @todo Something is clearly wrong about routing * right now. +%% {"*", asterisk_h, []} + ]}, + {"127.0.0.1", [{"/echo/:key", echo_h, []}]}, + {"example.org", [{"/echo/:key", echo_h, []}]} +%% @todo Add IPv6 addresses support to the router. This fails: +%% {"[2001:db8:85a3::8a2e:370:7334]", [{"/echo/:key", echo_h, []}]} +]. + +do_raw(Config, Data) -> + Client = raw_open(Config), + ok = raw_send(Client, Data), + {Version, Code, Reason, Rest} = cow_http:parse_status_line(raw_recv_head(Client)), + {Headers, Rest2} = cow_http:parse_headers(Rest), + case lists:keyfind(<<"content-length">>, 1, Headers) of + false -> + #{client => Client, version => Version, code => Code, reason => Reason, headers => Headers, body => <<>>}; + {_, LengthBin} -> + Length = binary_to_integer(LengthBin), + Body = if + byte_size(Rest2) =:= Length -> Rest2; + true -> + {ok, Body0} = raw_recv(Client, binary_to_integer(LengthBin) - byte_size(Rest2), 5000), + << Rest2/bits, Body0/bits >> + end, + #{client => Client, version => Version, code => Code, reason => Reason, headers => Headers, body => Body} + end. + +%% Listener. + +%% @todo Add to documentation. +%The default port for "http" connections is 80. The connection +%uses plain TCP. (RFC7230 2.7.1) +% +%The default port for "https" connections is 443. The connection +%uses TLS. (RFC7230 2.7.2) +% +%Any other port may be used for either of them. + +%% Before the request. + +accept_at_least_1_empty_line(Config) -> + doc("A configurable number of empty lines (CRLF) preceding the request " + "must be ignored. At least 1 empty line must be ignored. (RFC7230 3.5)"), + #{code := 200} = do_raw(Config, + "\r\n" + "GET / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_response(Config) -> + doc("When receiving a response instead of a request, identified by the " + "status-line which starts with the HTTP version, the server must " + "reject the message with a 501 status code and close the connection. (RFC7230 3.1)"), + #{code := 501, client := Client} = do_raw(Config, + "HTTP/1.1 200 OK\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Request. + +only_parse_necessary_elements(Config) -> + doc("It is only necessary to parse elements required to process the request. (RFC7230 2.5)"), + #{code := 200} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "Host: localhost\r\n" + "Content-type: purposefully bad header value\r\n" + "\r\n"). + +%% @todo Add to documentation. +%Parsed elements are subject to configurable limits. A server must +%be able to parse elements at least as long as it generates. (RFC7230 2.5) + +no_empty_line_after_request_line(Config) -> + doc("The general format of HTTP requests is strict. No empty line is " + "allowed in-between components except for the empty line " + "indicating the end of the list of headers."), + #{code := 400} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "\r\n" + "Host: localhost\r\n" + "\r\n"). + +no_empty_line_in_headers(Config) -> + doc("The general format of HTTP requests is strict. No empty line is " + "allowed in-between components except for the empty line " + "indicating the end of the list of headers."), + #{code := 400} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "User-Agent: RFC7230\r\n" + "\r\n" + "Host: localhost\r\n" + "\r\n"). + +timeout_before_request_line(Config) -> + doc("The time the request (request line and headers) takes to be " + "received by the server must be limited and subject to configuration. " + "No response must be sent before closing if no request was initiated " + "by the reception of a complete request-line."), + Client = raw_open(Config), + ok = raw_send(Client, "GET / HTTP/1.1\r"), + {error, closed} = raw_recv(Client, 0, 1000). + +timeout_after_request_line(Config) -> + doc("The time the request (request line and headers) takes to be " + "received by the server must be limited and subject to configuration. " + "A 408 status code must be sent if the request line was received."), + #{code := 408, client := Client} = do_raw(Config, "GET / HTTP/1.1\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo Add an HTTP/1.0 test suite. +%An HTTP/1.1 server must understand any valid HTTP/1.0 request, +%and respond to those with an HTTP/1.1 message that only use +%features understood or safely ignored by HTTP/1.0 clients. (RFC7230 A) + +%% Request line. + +limit_request_line_8000(Config) -> + doc("It is recommended to limit the request-line length to a configurable " + "limit of at least 8000 octets."), + LongPath = ["/long-path" || _ <- lists:seq(1, 799)], + #{code := 200} = do_raw(Config, [ + "GET /?qs=", LongPath, " HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"]). + +limit_request_line_9000(Config) -> + doc("It is recommended to limit the request-line length to a configurable " + "limit of at least 8000 octets. A request line too long must be rejected " + "with a 414 status code and the closing of the connection. (RFC7230 3.1.1)"), + LongPath = ["/long-path" || _ <- lists:seq(1, 899)], + #{code := 414, client := Client} = do_raw(Config, [ + "GET /very", LongPath, " HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"]), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Method. + +reject_invalid_method(Config) -> + doc("The request method is defined as 1+ token characters. An invalid " + "method must be rejected with a 400 status code and the " + "closing of the connection. (RFC7230 3.1.1, RFC7230 3.2.6)"), + #{code := 400, client := Client} = do_raw(Config, + "GET\0 / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +reject_empty_method(Config) -> + doc("The request method is defined as 1+ token characters. An empty " + "method must be rejected with a 400 status code and the " + "closing of the connection. (RFC7230 3.1.1, RFC7230 3.2.6)"), + #{code := 400, client := Client} = do_raw(Config, + " / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo We probably want to directly match commonly used methods. +%In practice the only characters in use by registered methods are +%uppercase letters [A-Z] and the dash "-". (IANA HTTP Method Registry) + +limit_method_name(Config) -> + doc("The length of the method must be subject to a configurable limit. " + "A method too long must be rejected with a 501 status code and the " + "closing of the connection. A good default for the method length limit " + "is the longest method length the server implements. (RFC7230 3.1.1)"), + LongMethod = [$G || _ <- lists:seq(1, 1000)], + #{code := 501, client := Client} = do_raw(Config, [ + LongMethod, " / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"]), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Between method and request-target. + +reject_tab_between_method_and_request_target(Config) -> + doc("A request that uses anything other than SP as separator between " + "the method and the request-target must be rejected with a 400 " + "status code and the closing of the connection. (RFC7230 3.1.1, RFC7230 3.5)"), + #{code := 400, client := Client} = do_raw(Config, + "GET\t/ HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +reject_two_sp_between_method_and_request_target(Config) -> + doc("A request that uses anything other than SP as separator between " + "the method and the request-target must be rejected with a 400 " + "status code and the closing of the connection. (RFC7230 3.1.1, RFC7230 3.5)"), + #{code := 400, client := Client} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Request target. + +ignore_uri_fragment_after_path(Config) -> + doc("The fragment part of the target URI is not sent. It must be " + "ignored by a server receiving it. (RFC7230 5.1)"), + Echo = <<"http://localhost/echo/url">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/url#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +ignore_uri_fragment_after_query(Config) -> + doc("The fragment part of the target URI is not sent. It must be " + "ignored by a server receiving it. (RFC7230 5.1)"), + Echo = <<"http://localhost/echo/url?key=value">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/url?key=value#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +%% Request target: origin-form. + +must_understand_origin_form(Config) -> + doc("A server must be able to handle at least origin-form and absolute-form. (RFC7230 5.3.2)"), + #{code := 200} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_reject_if_connect(Config) -> + doc("origin-form is used when the client does not connect to a proxy, " + "does not use the CONNECT method and does not issue a site-wide " + "OPTIONS request. (RFC7230 5.3.1)"), + #{code := 400, client := Client} = do_raw(Config, + "CONNECT / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo Equivalent test for https. +origin_form_tcp_scheme(Config) -> + doc("The scheme is either resolved from configuration or is \"https\" " + "when on a TLS connection and \"http\" otherwise. (RFC7230 5.5)"), + Echo = <<"http://localhost/echo/url">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/url HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_path(Config) -> + doc("The absolute-path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/path HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_path_query(Config) -> + doc("The absolute-path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/path?key=value HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_path_fragment(Config) -> + doc("The absolute-path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/path#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_query(Config) -> + doc("The query starts with \"?\" and ends with \"#\" or the end of the URI. (RFC3986 3.4)"), + Echo = <<"key=value">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/qs?key=value HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +origin_form_query_fragment(Config) -> + doc("The query starts with \"?\" and ends with \"#\" or the end of the URI. (RFC3986 3.4)"), + Echo = <<"key=value">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET /echo/qs?key=value#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +%% @todo origin_form: reject paths with too large depth or query strings with too many keys + +%% Request target: absolute-form. + +must_understand_absolute_form(Config) -> + doc("A server must be able to handle at least origin-form and absolute-form. (RFC7230 5.3.2)"), + #{code := 200} = do_raw(Config, + "GET http://localhost HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_case_insensitive_scheme(Config) -> + doc("The scheme is case insensitive and normally provided in lowercase. (RFC7230 2.7.3)"), + Echo = <<"http://localhost/echo/url">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET HttP://localhost/echo/url HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_case_insensitive_host(Config) -> + doc("The host is case insensitive and normally provided in lowercase. (RFC7230 2.7.3)"), + Echo = <<"http://localhost/echo/url">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://LoCaLHOsT/echo/url HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_reject_unknown_schemes(Config) -> + doc("Unknown schemes must be rejected with a 400 status code and the closing of the connection."), + #{code := 400, client := Client} = do_raw(Config, + "GET bad://localhost/ HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo Equivalent test for https. +absolute_form_drop_scheme_tcp(Config) -> + doc("The scheme provided with the request must be dropped. The effective " + "scheme is either resolved from configuration or is \"https\" when on " + "a TLS connection and \"http\" otherwise. (RFC7230 5.5)"), + Echo = <<"http://localhost/echo/url">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET https://localhost/echo/url HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_reject_userinfo(Config) -> + doc("An authority component with a userinfo component (and its " + "\"@\" delimiter) is invalid. The request must be rejected with " + "a 400 status code and the closing of the connection. (RFC7230 2.7.1)"), + #{code := 400, client := Client} = do_raw(Config, + "GET http://username:password@localhost HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +absolute_form_reject_missing_host_without_path(Config) -> + doc("A URI with a missing host identifier is invalid. The request must " + "be rejected with a 400 status code and the closing of the connection. (RFC7230 2.7.1)"), + #{code := 400, client := Client} = do_raw(Config, + "GET http:// HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +absolute_form_reject_missing_host_with_path(Config) -> + doc("A URI with a missing host identifier is invalid. The request must " + "be rejected with a 400 status code and the closing of the connection. (RFC7230 2.7.1)"), + #{code := 400, client := Client} = do_raw(Config, + "GET http:/// HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +absolute_form_ipv4(Config) -> + doc("Absolute form with an IPv4 address for the host. (RFC3986 3.2.2)"), + Echo = <<"127.0.0.1">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://127.0.0.1/echo/host HTTP/1.1\r\n" + "Host: 127.0.0.1\r\n" + "\r\n"). + +absolute_form_ipv4_port(Config) -> + doc("Absolute form with an IPv4 address for the host and a port number. (RFC3986 3.2.2)"), + Host = <<"127.0.0.1">>, + #{code := 200, body := Host} = do_raw(Config, + "GET http://127.0.0.1:8080/echo/host HTTP/1.1\r\n" + "Host: 127.0.0.1:8080\r\n" + "\r\n"), + Port = <<"8080">>, + #{code := 200, body := Port} = do_raw(Config, + "GET http://127.0.0.1:8080/echo/port HTTP/1.1\r\n" + "Host: 127.0.0.1:8080\r\n" + "\r\n"). + +%% @todo We need the router to support IPv6 addresses to write proper tests for these: +%absolute_form_ipv6(Config) -> +%absolute_form_ipv6_ipv4(Config) -> +%absolute_form_ipv6_zoneid(Config) -> + +absolute_form_reg_name(Config) -> + doc("Absolute form with a regular name for the host. (RFC3986 3.2.2)"), + Echo = <<"example.org">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://example.org/echo/host HTTP/1.1\r\n" + "Host: example.org\r\n" + "\r\n"). + +absolute_form_reg_name_port(Config) -> + doc("Absolute form with an IPv4 address for the host and a port number. (RFC3986 3.2.2)"), + Host = <<"example.org">>, + #{code := 200, body := Host} = do_raw(Config, + "GET http://example.org:8080/echo/host HTTP/1.1\r\n" + "Host: example.org:8080\r\n" + "\r\n"), + Port = <<"8080">>, + #{code := 200, body := Port} = do_raw(Config, + "GET http://example.org:8080/echo/port HTTP/1.1\r\n" + "Host: example.org:8080\r\n" + "\r\n"). + +absolute_form_limit_host(Config) -> + doc("The maximum length for the host component of the URI must be subject " + "to a configurable limit. A good default is 255 characters. " + "(RFC7230 3.1.1, RFC3986 3.2.2, RFC1034 3.1)"), + LongHost = ["host." || _ <- lists:seq(1, 100)], + #{code := 414, client := Client} = do_raw(Config, [ + "GET http://", LongHost, "/ HTTP/1.1\r\n" + "Host: ", LongHost, "\r\n" + "\r\n"]), + {error, closed} = raw_recv(Client, 0, 1000). + +absolute_form_invalid_port_0(Config) -> + doc("Port number 0 is reserved. The request must be rejected and the connection closed."), + #{code := 400, client := Client} = do_raw(Config, + "GET http://localhost:0/ HTTP/1.1\r\n" + "Host: localhost:0\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +absolute_form_invalid_port_65536(Config) -> + doc("Port numbers above 65535 are invalid. The request must be rejected and the connection closed."), + #{code := 400, client := Client} = do_raw(Config, + "GET http://localhost:65536/ HTTP/1.1\r\n" + "Host: localhost:65536\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo The RFC says to discard the Host header if we are a proxy, +%% and replace it with the content of absolute-form. This means +%% that we should probably keep the absolute-form value when +%% operating in proxy mode. Otherwise the absolute-form value +%% is simply dropped and the Host header is used. + +%% @todo The authority is sent both in the URI and in the host header. +%% The authority from the URI must be dropped, and the host header +%% must be used instead. (RFC7230 5.5) +%% +%% It is not possible to test that the absolute-form value is dropped +%% because one of the Host header test ensures that the authority +%% is the same in both, and errors out otherwise. + +absolute_form_path(Config) -> + doc("The path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://localhost/echo/path HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_path_query(Config) -> + doc("The path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://localhost/echo/path?key=value HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_path_fragment(Config) -> + doc("The path always starts with \"/\" and ends with either \"?\", \"#\" " + "or the end of the URI. (RFC3986 3.3)"), + Echo = <<"/echo/path">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://localhost/echo/path#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_no_path(Config) -> + doc("An empty path component is equivalent to \"/\". (RFC7230 2.7.3)"), + #{code := 200, body := <<"Hello world!">>} = do_raw(Config, + "GET http://localhost HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_no_path_then_query(Config) -> + doc("An empty path component is equivalent to \"/\". (RFC7230 2.7.3)"), + #{code := 200, body := <<"Hello world!">>} = do_raw(Config, + "GET http://localhost?key=value HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_no_path_then_fragment(Config) -> + doc("An empty path component is equivalent to \"/\". (RFC7230 2.7.3)"), + #{code := 200, body := <<"Hello world!">>} = do_raw(Config, + "GET http://localhost#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_query(Config) -> + doc("The query starts with \"?\" and ends with \"#\" or the end of the URI. (RFC3986 3.4)"), + Echo = <<"key=value">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://localhost/echo/qs?key=value HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +absolute_form_query_fragment(Config) -> + doc("The query starts with \"?\" and ends with \"#\" or the end of the URI. (RFC3986 3.4)"), + Echo = <<"key=value">>, + #{code := 200, body := Echo} = do_raw(Config, + "GET http://localhost/echo/qs?key=value#fragment HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"). + +%% @todo absolute_form: reject paths with too large depth or query strings with too many keys + +%% Request-target: authority-form. + +authority_form_reject_if_not_connect(Config) -> + doc("When the method is CONNECT, authority-form must be used. This " + "form does not apply to any other methods which must reject the " + "request with a 400 status code and the closing of the connection. (RFC7230 5.3.3)"), + #{code := 400, client := Client} = do_raw(Config, + "GET localhost:80 HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% @todo Implement CONNECT. +%authority_form_reject_userinfo(Config) -> +%An authority component with a userinfo component (and its +%"@" delimiter) is invalid. The request must be rejected with +%a 400 status code and the closing of the connection. (RFC7230 2.7.1) +% +%authority_form_limit_host(Config) -> +%authority_form_limit_port0(Config) -> +%authority_form_limit_port65536(Config) -> +% +%A request with a too long component of authority-form must be rejected with +%a 414 status code and the closing of the connection. (RFC7230 3.1.1) +% +%The authority is either resolved from configuration or is taken +%directly from authority-form. (RFC7230 5.5) +% +%authority_form_empty_path(Config) -> +%authority_form_empty_query(Config) -> +%The path and query are empty when using authority-form. (RFC7230 5.5) + +%% Request-target: asterisk-form. + +asterisk_form_reject_if_not_options(Config) -> + doc("asterisk-form is used for server-wide OPTIONS requests. " + "It is invalid with any other methods which must reject the " + "request with a 400 status code and the closing of the connection. (RFC7230 5.3.4)"), + #{code := 400, client := Client} = do_raw(Config, + "GET * HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +asterisk_form_empty_path(Config) -> + doc("The path is empty when using asterisk-form. (RFC7230 5.5)"), + #{code := 200, body := <<>>} = do_raw(Config, + "OPTIONS * HTTP/1.1\r\n" + "Host: localhost\r\n" + "X-Echo: path\r\n" + "\r\n"). + +asterisk_form_empty_query(Config) -> + doc("The query is empty when using asterisk-form. (RFC7230 5.5)"), + #{code := 200, body := <<>>} = do_raw(Config, + "OPTIONS * HTTP/1.1\r\n" + "Host: localhost\r\n" + "X-Echo: query\r\n" + "\r\n"). + +%% Invalid request-target. + +invalid_request_target(Config) -> + doc("Any other form is invalid and must be rejected with a 400 status code " + "and the closing of the connection."), + #{code := 400, client := Client} = do_raw(Config, + "GET \0 HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Between request-target and version. + +reject_tab_between_request_target_and_version(Config) -> + doc("A request that uses anything other than SP as separator between " + "the request-target and the version must be rejected with a 400 " + "status code and the closing of the connection. (RFC7230 3.1.1, RFC7230 3.5)"), + #{code := 400, client := Client} = do_raw(Config, + "GET /\tHTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +reject_two_sp_between_request_target_and_version(Config) -> + doc("A request that uses anything other than SP as separator between " + "the request-target and the version must be rejected with a 400 " + "status code and the closing of the connection. (RFC7230 3.1.1, RFC7230 3.5)"), + #{code := 400, client := Client} = do_raw(Config, + "GET / HTTP/1.1\r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Request version. + +reject_invalid_version_http100(Config) -> + doc("Any version number other than HTTP/1.0 or HTTP/1.1 must be " + "rejected by a server or intermediary with a 505 status code. (RFC7230 2.6, RFC7230 A.2)"), + #{code := 505} = do_raw(Config, + "GET / HTTP/1.00\r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_invalid_version_http111(Config) -> + doc("Any version number other than HTTP/1.0 or HTTP/1.1 must be " + "rejected by a server or intermediary with a 505 status code. (RFC7230 2.6, RFC7230 A.2)"), + #{code := 505} = do_raw(Config, + "GET / HTTP/1.11\r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_invalid_version_http12(Config) -> + doc("Any version number other than HTTP/1.0 or HTTP/1.1 must be " + "rejected by a server or intermediary with a 505 status code. (RFC7230 2.6, RFC7230 A.2)"), + #{code := 505} = do_raw(Config, + "GET / HTTP/1.2\r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_invalid_version_http2(Config) -> + doc("Any version number other than HTTP/1.0 or HTTP/1.1 must be " + "rejected by a server or intermediary with a 505 status code. (RFC7230 2.6, RFC7230 A.2)"), + #{code := 505} = do_raw(Config, + "GET / HTTP/2\r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_empty_version(Config) -> + doc("Any version number other than HTTP/1.0 or HTTP/1.1 must be " + "rejected by a server or intermediary with a 505 status code. (RFC7230 2.6, RFC7230 A.2)"), + #{code := 505} = do_raw(Config, + "GET / \r\n" + "Host: localhost\r\n" + "\r\n"). + +reject_invalid_whitespace_after_version(Config) -> + doc("A request that has whitespace different than CRLF following the " + "version must be rejected with a 400 status code and the closing " + "of the connection. (RFC7230 3.1.1)"), + #{code := 400, client := Client} = do_raw(Config, + "GET / HTTP/1.1 \r\n" + "Host: localhost\r\n" + "\r\n"), + {error, closed} = raw_recv(Client, 0, 1000). + +%% Request headers. + +%invalid_header(Config) -> +%``` +%headers = *( header-field CRLF ) CRLF +%header-field = field-name ":" OWS field-value OWS +% +%field-name = token +%field-value = *( SP / HTAB / %21-7E / %80-FF ) +% +%OWS = *( SP / HTAB ) +%``` +% +%lower_case_header(Config) -> +%upper_case_header(Config) -> +%mixed_case_header(Config) -> +%The header field name is case insensitive. (RFC7230 3.2) +% +%reject_whitespace_before_header_name(Config) -> +%Messages that contain whitespace before the header name must +%be rejected with a 400 status code and the closing of the +%connection. (RFC7230 3.2.4) +% +%reject_whitespace_between_header_name_and_colon(Config) -> +%Messages that contain whitespace between the header name and +%colon must be rejected with a 400 status code and the closing +%of the connection. (RFC7230 3.2.4) +% +%limit_header_name(Config) -> +%The header name must be subject to a configurable limit. A +%good default is 50 characters, well above the longest registered +%header. Such a request must be rejected with a 431 status code +%and the closing of the connection. (RFC7230 3.2.5, RFC6585 5, IANA Message Headers registry) +% +%limit_header_value(Config) -> +%The header value and the optional whitespace around it must be +%subject to a configurable limit. There is no recommendations +%for the default. 4096 characters is known to work well. Such +%a request must be rejected with a 431 status code and the closing +%of the connection. (RFC7230 3.2.5, RFC6585 5) +% +%drop_whitespace_before_header_value(Config) -> +%drop_whitespace_after_header_value(Config) -> +%Optional whitespace before and after the header value is not +%part of the value and must be dropped. +% +%@todo +%The order of header fields with differing names is not significant. (RFC7230 3.2.2) +% +%@todo +%The normal procedure for parsing headers is to read each header +%field into a hash table by field name until the empty line. (RFC7230 3) +% +%reject_duplicate_content_length_header(Config) -> +%reject_duplicate_host_header(Config) -> +%Requests with duplicate content-length or host headers must be rejected +%with a 400 status code and the closing of the connection. (RFC7230 3.3.2) +% +%combine_duplicate_headers(Config) -> +%Other duplicate header fields must be combined by inserting a comma +%between the values in the order they were received. (RFC7230 3.2.2) +% +%Duplicate header field names are only allowed when their value is +%a comma-separated list. In practice there is no need to perform +%a check while reading the headers as the value will become invalid +%and the error can be handled while parsing the header later on. (RFC7230 3.2.2) +% +%wait_for_eoh_before_processing_request(Config) -> +%The request must not be processed until all headers have arrived. (RFC7230 3.2.2) +% +%limit_headers(Config) -> +%The number of headers allowed in a request must be subject to +%a configurable limit. There is no recommendations for the default. +%100 headers is known to work well. Such a request must be rejected +%with a 431 status code and the closing of the connection. (RFC7230 3.2.5, RFC6585 5) +% +%@todo +%When parsing header field values, the server must ignore empty +%list elements, and not count those as the count of elements present. (RFC7230 7) +% +%@todo +%The information in the via header is largely unreliable. (RFC7230 5.7.1) +% +%%% Request body. +% +%@todo +%The message body is the octets after decoding any transfer +%codings. (RFC7230 3.3) +% +%no_request_body(Config) -> +%no_request_body_content_length_zero(Config) -> +%request_body_content_length(Config) -> +%request_body_transfer_encoding(Config) -> +%A request has a message body only if it includes a transfer-encoding +%header or a non-zero content-length header. (RFC7230 3.3) +% +%``` +%Transfer-Encoding = 1#transfer-coding +% +%transfer-coding = "chunked" / "compress" / "deflate" / "gzip" / transfer-extension +%transfer-extension = token *( OWS ";" OWS transfer-parameter ) +%transfer-parameter = token BWS "=" BWS ( token / quoted-string ) +%``` +% +%case_insensitive_transfer_encoding(Config) -> +%The transfer-coding is case insensitive. (RFC7230 4) +% +%@todo +%There are no known other transfer-extension with the exception of +%deprecated aliases "x-compress" and "x-gzip". (IANA HTTP Transfer Coding Registry, +%RFC7230 4.2.1, RFC7230 4.2.3, RFC7230 8.4.2) +% +%must_understand_chunked(Config) -> +%A server must be able to handle at least chunked transfer-encoding. +%This is also the only coding that sees widespread use. (RFC7230 3.3.1, RFC7230 4.1) +% +%reject_double_chunked_encoding(Config) -> +%Messages encoded more than once with chunked transfer-encoding +%must be rejected with a 400 status code and the closing of the +%connection. (RFC7230 3.3.1) +% +%reject_non_terminal_chunked(Config) -> +%Messages where chunked, when present, is not the last +%transfer-encoding must be rejected with a 400 status code +%and the closing of the connection. (RFC7230 3.3.3) +% +%@todo +%Some non-conformant implementations send the "deflate" compressed +%data without the zlib wrapper. (RFC7230 4.2.2) +% +%reject_unknown_transfer_encoding(Config) -> +%Messages encoded with a transfer-encoding the server does not +%understand must be rejected with a 501 status code and the +%closing of the connection. (RFC7230 3.3.1) +% +%@todo +%A server can reject requests with a body and no content-length +%header with a 411 status code. (RFC7230 3.3.3) +% +%``` +%Content-Length = 1*DIGIT +%``` +% +%reject_invalid_content_length(Config) -> +%A request with an invalid content-length header must be rejected +%with a 400 status code and the closing of the connection. (RFC7230 3.3.3) +% +%@todo +%The content-length header ranges from 0 to infinity. Requests +%with a message body too large must be rejected with a 413 status +%code and the closing of the connection. (RFC7230 3.3.2) +% +%ignore_content_length_when_transfer_encoding(Config) -> +%When a message includes both transfer-encoding and content-length +%headers, the content-length header must be removed before processing +%the request. (RFC7230 3.3.3) +% +%socket_error_while_reading_body(Config) -> +%If a socket error occurs while reading the body the server +%must send a 400 status code response and close the connection. (RFC7230 3.3.3, RFC7230 3.4) +% +%timeout_while_reading_body(Config) -> +%If a timeout occurs while reading the body the server must +%send a 408 status code response and close the connection. (RFC7230 3.3.3, RFC7230 3.4) +% +%%% Body length. +% +%body_length_chunked_before(Config) -> +%The length of a message with a transfer-encoding header can +%only be determined on decoding completion. (RFC7230 3.3.3) +% +%body_length_chunked_after(Config) -> +%Upon completion of chunk decoding the server must add a content-length +%header with the value set to the total length of data read. (RFC7230 4.1.3) +% +%body_length_content_length(Config) -> +%The length of a message with a content-length header is +%the numeric value in octets found in the header. (RFC7230 3.3.3) +% +%body_length_zero(Config) -> +%A message with no transfer-encoding or content-length header +%has a body length of 0. (RFC7230 3.3.3) +% +%%% Chunked transfer-encoding. +% +%reject_invalid_chunk_size(Config) -> +% +%``` +%chunked-body = *chunk last-chunk trailer-part CRLF +% +%chunk = chunk-size [ chunk-ext ] CRLF chunk-data CRLF +%chunk-size = 1*HEXDIG +%chunk-data = 1*OCTET ; a sequence of chunk-size octets +% +%last-chunk = 1*("0") [ chunk-ext ] CRLF +%``` +% +%The chunk-size field is a string of hex digits indicating the size of +%the chunk-data in octets. +% +%``` +%chunk-ext = *( ";" chunk-ext-name [ "=" chunk-ext-val ] ) +%chunk-ext-name = token +%chunk-ext-val = token / quoted-string +%``` +% +%ignore_unknown_chunk_extensions(Config) -> +%Unknown chunk extensions must be ignored. (RFC7230 4.1.1) +% +%reject_invalid_chunk_extensions(Config) -> +% +%limit_chunk_size_line(Config) -> +%The chunk-size line length must be subject to configuration. +%There are no recommended defaults, although 100 octets should work. +%Requests with a too long line must be rejected with a 400 status +%code and the closing of the connection. +% +%reject_invalid_chunk_line_crlf(Config) -> +%reject_invalid_chunk_data_crlf(Config) -> +% +%``` +%trailer-part = *( header-field CRLF ) +%``` +% +%%% @todo see headers above and reject the same way, space etc. +%reject_invalid_trailer_part(Config) -> +% +%ignore_trailer_transfer_encoding(Config) -> +%ignore_trailer_content_length(Config) -> +%ignore_trailer_host(Config) -> +%ignore_trailer_cache_control(Config) -> +%ignore_trailer_expect(Config) -> +%ignore_trailer_max_forwards(Config) -> +%ignore_trailer_pragma(Config) -> +%ignore_trailer_range(Config) -> +%ignore_trailer_te(Config) -> +%ignore_trailer_if_match(Config) -> +%ignore_trailer_if_none_match(Config) -> +%ignore_trailer_if_modified_since(Config) -> +%ignore_trailer_if_unmodified_since(Config) -> +%ignore_trailer_if_range(Config) -> +%ignore_trailer_www_authenticate(Config) -> +%ignore_trailer_authorization(Config) -> +%ignore_trailer_proxy_authenticate(Config) -> +%ignore_trailer_proxy_authorization(Config) -> +%ignore_trailer_content_encoding(Config) -> +%ignore_trailer_content_type(Config) -> +%ignore_trailer_content_range(Config) -> +%ignore_trailer_trailer(Config) -> +% +%ignore_trailer_header(Config, Header) -> +%Trailing headers must not include transfer-encoding, content-length, +%host, cache-control, expect, max-forwards, pragma, range, te, +%if-match, if-none-match, if-modified-since, if-unmodified-since, +%if-range, www-authenticate, authorization, proxy-authenticate, +%proxy-authorization, age, cache-control, expires, date, location, +%retry-after, vary, warning, content-encoding, content-type, +%content-range, or trailer. (RFC7230 4.1.2) +% +%Trailer headers can be ignored safely. (RFC7230 4.1.2) +% +%When trailer headers are processed, invalid headers must be ignored. +%Valid headers must be added to the list of headers of the request. (RFC7230 4.1.2) +% +%limit_trailer_headers(Config) -> +%The number of trailer headers must be subject to configuration. +%There is no known recommendations for the default. A value of 10 +%should cover most cases. Requests with too many trailer headers +%must be rejected with a 431 status code and the closing of the +%connection. (RFC6585 5) +% +%remove_transfer_encoding_chunked_after_body_read(Config) -> +%Upon completion of chunk decoding the server must remove "chunked" +%from the transfer-encoding header. This header must be removed if +%it becomes empty following this removal. (RFC7230 4.1.3) +% +%remove_trailer_after_body_read(Config) -> +%Upon completion of chunk decoding the server must remove the trailer +%header from the list of headers. (RFC7230 4.1.3) +% +%``` +%Trailer = 1#field-name +%``` +% +%ignore_chunked_headers_not_in_trailer(Config) -> +%The trailer header can be used to list the headers found in the +%trailer. A server must have the option of ignoring trailer headers +%that were not listed in the trailer header. (RFC7230 4.4) +% +%ignore_chunked_headers_if_trailer_not_in_connection(Config) -> +%The trailer header must be listed in the connection header field. +%Trailers must be ignored otherwise. +% +%%% @todo Though we need a compatibility mode as some clients don't send it... +%reject_chunked_missing_end_crlf(Config) -> +%@todo ending CRLF +% +%%% Connection management. +% +%@todo can probably test using auth +%Never assume any two requests on a single connection come +%from the same user agent. (RFC7230 2.3) +% +%``` +%Connection = 1#token ; case-insensitive +%``` +% +%The connection token is either case insensitive "close", "keep-alive" +%or a header field name. +% +%There are no corresponding "close" or "keep-alive" headers. (RFC7230 8.1, RFC7230 A.2) +% +%The connection header is valid only for the immediate connection, +%alongside any header field it lists. (RFC7230 6.1) +% +%The server must determine if the connection is persistent for +%every message received by looking at the connection header and +%HTTP version. (RFC7230 6.3) +% +%no_connection_header_keepalive(Config) -> +%%% @todo http/1.0 suite? connection_keepalive(Config) -> +%HTTP/1.1 requests with no "close" option and HTTP/1.0 with the +%"keep-alive" option indicate the connection will persist. (RFC7230 6.1, RFC7230 6.3) +% +%connection_close(Config) -> +%%% @todo http/1.0 suite? no_connection_close(Config) -> +%HTTP/1.1 requests with the "close" option and HTTP/1.0 with no +%"keep-alive" option indicate the connection will be closed +%upon reception of the response by the client. (RFC7230 6.1, RFC7230 6.3) +% +%limit_requests_keepalive(Config) -> +%The maximum number of requests sent using a persistent connection +%must be subject to configuration. The connection must be closed +%when the limit is reached. (RFC7230 6.3) +% +%skip_request_body_by_closing_connection(Config) -> +%%A server that doesn't want to read the entire body of a message +%%must close the connection, if possible after sending the "close" +%%connection option in the response. (RFC7230 6.3) +% +%pipeline(Config) -> +%%% @todo pipeline_parallel (safe methods can, others can't) +%A server can receive more than one request before any response +%is sent. This is called pipelining. The requests can be processed +%in parallel if they all have safe methods. Responses must be sent +%in the same order as the requests. (RFC7230 6.3.2) +% +%@todo +%The server must reject abusive traffic by closing the connection. +%Abusive traffic can come from the form of too many requests in a +%given amount of time, or too many concurrent connections. Limits +%must be subject to configuration. (RFC7230 6.4) +% +%close_inactive_connections(Config) -> +%The server must close inactive connections. The timeout +%must be subject to configuration. (RFC7230 6.5) +% +%@todo +%The server must monitor connections for the close signal +%and close the socket on its end accordingly. (RFC7230 6.5) +% +%@todo +%A connection close may occur at any time. (RFC7230 6.5) +% +%ignore_requests_after_connection_close(Config) -> +%The server must not process any request after sending or +%receiving the "close" connection option. (RFC7230 6.6) +% +%@todo +%The server must close the connection in stages to avoid the +%TCP reset problem. The server starts by closing the write +%side of the socket. The server then reads until it detects +%the socket has been closed, until it can be certain its +%last response has been received by the client, or until +%a close or timeout occurs. The server then fully close the +%connection. (6.6) +% +%%% Routing. +% +%``` +%Host = authority ; same as authority-form +%``` +% +%reject_missing_host(Config) -> +%An HTTP/1.1 request that lacks a host header must be rejected with +%a 400 status code and the closing of the connection. (RFC7230 5.4) +% +%%% @todo http/1.0 missing_host(Config) -> +%An HTTP/1.0 request that lack a host header is valid. Behavior +%for these requests is configuration dependent. (RFC7230 5.5) +% +%reject_invalid_host(Config) -> +%A request with an invalid host header must be rejected with a +%400 status code and the closing of the connection. (RFC7230 5.4) +% +%reject_userinfo(Config) -> +%An authority component with a userinfo component (and its +%"@" delimiter) is invalid. The request must be rejected with +%a 400 status code and the closing of the connection. (RFC7230 2.7.1) +% +%reject_absolute_form_different_host(Config) -> +%When using absolute-form the URI authority component must be +%identical to the host header. Invalid requests must be rejected +%with a 400 status code and the closing of the connection. (RFC7230 5.4) +% +%reject_authority_form_different_host(Config) -> +%When using authority-form the URI authority component must be +%identical to the host header. Invalid requests must be rejected +%with a 400 status code and the closing of the connection. +% +%empty_host(Config) -> +%The host header is empty when the authority component is undefined. (RFC7230 5.4) +% +%@todo +%The effective request URI can be rebuilt by concatenating scheme, +%"://", authority, path and query components. (RFC7230 5.5) +% +%@todo +%Resources with identical URI except for the scheme component +%must be treated as different. (RFC7230 2.7.2) +% +%%% Response. +% +%@todo +%A server can send more than one response per request only when a +%1xx response is sent preceding the final response. (RFC7230 5.6) +% +%@todo +%A server that does parallel pipelining must send responses in the +%same order as the requests came in. (RFC7230 5.6) +% +%``` +%HTTP-response = status-line *( header-field CRLF ) CRLF [ message-body ] +%``` +% +%@todo +%The response format must be followed strictly. +% +%``` +%status-line = HTTP-version SP status-code SP reason-phrase CRLF +%status-code = 3DIGIT +%reason-phrase = *( HTAB / SP / VCHAR / obs-text ) +%``` +% +%http10_request_http11_response(Config) -> +%A server must send its own version. (RFC7230 2.6) +% +%@todo +%An HTTP/1.1 server may send an HTTP/1.0 version for compatibility purposes. (RFC7230 2.6) +% +%@todo +%RFC6585 defines additional status code a server can use to reject +%messages. (RFC7230 9.3, RFC6585) +% +%%% Response headers. +% +%@todo +%In responses, OWS must be generated as SP or not generated +%at all. RWS must be generated as SP. BWS must not be +%generated. (RFC7230 3.2.3) +% +%``` +%header-field = field-name ":" SP field-value +% +%field-name = token ; case-insensitive +%field-value = *( SP / %21-7E / %80-FF ) +%``` +% +%@todo +%In quoted-string found in field-value, quoted-pair must only be +%used for DQUOTE and backslash. (RFC7230 3.2.6) +% +%@todo +%HTTP header values must use US-ASCII encoding and must only send +%printable characters or SP. (RFC7230 3.2.4, RFC7230 9.4) +% +%@todo +%The server must not generate empty list elements in headers. (RFC7230 7) +% +%@todo +%When encoding an URI as part of a response, only characters that +%are reserved need to be percent-encoded. (RFC7230 2.7.3) +% +%special_set_cookie_handling(Config) -> +%The set-cookie header must be handled as a special case. There +%must be exactly one set-cookie header field per cookie. (RFC7230 3.2.2) +% +%@todo +%The server must list headers for or about the immediate connection +%in the connection header field. (RFC7230 6.1) +% +%@todo +%A server that does not support persistent connections must +%send "close" in every non-1xx response. (RFC7230 6.1) +% +%no_close_in_100_response(Config) -> +%no_close_in_101_response(Config) -> +%no_close_in_102_response(Config) -> +%A server must not send a "close" connection option +%in 1xx responses. (RFC7230 6.1) +% +%@todo +%The "close" connection must be sent in a message when the +%sender knows it will close the connection after fully sending +%the response. (RFC7230 6.6) +% +%@todo +%A server must close the connection after sending or +%receiving a "close" once the response has been sent. (RFC7230 6.6) +% +%close_request_close_response(Config) -> +%A server must send a "close" in a response to a request +%containing a "close". (RFC7230 6.6) +% +%%% Response body. +% +%no_body_in_head_response(Config) -> %% @todo test different ways to send a body in response +%Responses to HEAD requests never include a message body. (RFC7230 3.3) +% +%%% @todo Implement CONNECT +%2xx responses to CONNECT requests never include a message +%body. (RFC7230 3.3) +% +%no_body_in_100_response(Config) -> +%no_body_in_101_response(Config) -> +%no_body_in_102_response(Config) -> +%no_body_in_204_response(Config) -> +%no_body_in_304_response(Config) -> +%1xx, 204 and 304 responses never include a message body. (RFC7230 3.3) +% +%same_content_length_as_get_in_head_response(Config) -> +%same_transfer_encoding_as_get_in_head_response(Config) -> +%same_content_length_as_200_in_304_response(Config) -> +%same_transfer_encoding_as_200_in_304_response(Config) -> +%Responses to HEAD requests and 304 responses can include a +%content-length or transfer-encoding header. Their value must +%be the same as if the request was an unconditional GET. (RFC7230 3.3, RFC7230 3.3.1, RFC7230 3.3.2) +% +%no_transfer_encoding_in_100_response(Config) -> +%no_transfer_encoding_in_101_response(Config) -> +%no_transfer_encoding_in_102_response(Config) -> +%no_transfer_encoding_in_204_response(Config) -> +%%% @todo CONNECT no_transfer_encoding_in_2xx_response_to_connect_request(Config) -> +%no_content_length_in_100_response(Config) -> +%no_content_length_in_101_response(Config) -> +%no_content_length_in_102_response(Config) -> +%no_content_length_in_204_response(Config) -> +%%% @todo CONNECT no_content_length_in_2xx_response_to_connect_request(Config) -> +%1xx, 204 responses and "2xx responses to CONNECT requests" must +%not include a content-length or transfer-encoding header. (RFC7230 3.3.1, RFC7230 3.3.2) +% +%``` +%message-body = *OCTET +%``` +% +%The message body is the octets after decoding any transfer +%codings. (RFC7230 3.3) +% +%content_length_0_when_no_body(Config) -> +%content_length_response(Config) -> +%When the length is known in advance, the server must send a +%content-length header, including if the length is 0. (RFC7230 3.3.2, RFC7230 3.3.3) +% +%chunked_response(Config) -> +%When the length is not known in advance, the chunked transfer-encoding +%must be used. (RFC7230 3.3.2, RFC7230 3.3.3) +% +%compat_no_content_length_or_transfer_encoding_close_on_body_end(Config) -> +%For compatibility purposes a server can send no content-length or +%transfer-encoding header. In this case the connection must be +%closed after the response has been sent fully. (RFC7230 3.3.2, RFC7230 3.3.3) +% +%no_content_length_if_transfer_encoding(Config) -> +%The content-length header must not be sent when a transfer-encoding +%header already exists. (RFC7230 3.3.2) +% +%@todo +%The server must not apply the chunked transfer-encoding more than +%once. (RFC7230 3.3.1) +% +%@todo +%The server must apply the chunked transfer-encoding last. (RFC7230 3.3.1) +% +%http10_request_no_transfer_encoding_in_response(Config) -> +%The transfer-encoding header must not be sent in responses to +%HTTP/1.0 requests, or in responses that use the HTTP/1.0 version. +%No transfer codings must be applied in these cases. (RFC7230 3.3.1) +% +%``` +%TE = #t-codings +% +%t-codings = "trailers" / ( transfer-coding [ t-ranking ] ) +%t-ranking = OWS ";" OWS "q=" rank +%rank = ( "0" [ "." 0*3DIGIT ] ) / ( "1" [ "." 0*3("0") ] ) +%``` +% +%no_te_no_trailers(Config) -> +%te_trailers(Config) -> +%Trailers can only be sent if the request includes a TE header +%containing "trailers". (RFC7230 4.1.2) +% +%te_ignore_chunked(Config) -> +%te_ignore_chunked_0(Config) -> +%The presence of "chunked" in a TE header must be ignored as it +%is always acceptable with HTTP/1.1. (RFC7230 4.3) +% +%%% @todo te_not_acceptable_coding(Config) -> +%A qvalue of 0 in the TE header means "not acceptable". (RFC7230 4.3) +% +%@todo +%The lack of a TE header or an empty TE header means only "chunked" +%(with no trailers) or no transfer-encoding is acceptable. (RFC7230 4.3) +% +%ignore_te_if_not_in_connection_header(Config) -> +%The TE header must be listed in the connection header field, +%or must be ignored otherwise. +% +%@todo +%Trailer headers must be listed in the trailer header field value. (RFC7230 4.4) +% +%@todo +%When defined, the trailer header must also be listed in the connection header. (RFC7230 4.4) +% +%:: Upgrade +% +%``` +%Upgrade = 1#protocol +% +%protocol = protocol-name ["/" protocol-version] +%protocol-name = token +%protocol-version = token +%``` +% +%The upgrade header contains the list of protocols the +%client wishes to upgrade to, in order of preference. (RFC7230 6.7) +% +%upgrade_safely_ignored(Config) -> +%The upgrade header can be safely ignored. (RFC7230 6.7) +% +%upgrade_must_be_in_connection_header(Config) -> +%The upgrade header must be listed under the connection header, +%or must be ignored otherwise. (RFC7230 6.7) +% +%@todo +%A server accepting an upgrade request must send a 101 status +%code with a upgrade header listing the protocol(s) it upgrades +%to, in layer-ascending order. In addition the upgrade header +%must be listed in the connection header. (RFC7230 6.7) +% +%%A server must not switch to a protocol not listed in the +%%request's upgrade header. (RFC7230 6.7) +% +%@todo +%A server that sends a 426 status code must include a upgrade +%header listing acceptable protocols in order of preference. (RFC7230 6.7) +% +%@todo +%A server can send a upgrade header to any response to advertise +%its support for other protocols listed in order of preference. (RFC7230 6.7) +% +%@todo +%Immediately after a server responds with a 101 status code +%it must respond to the original request using the new protocol. (RFC7230 6.7) +% +%@todo +%%A server must not switch protocols unless the original message's +%%semantics can be honored by the new protocol. OPTIONS requests +%%can be honored by any protocol. (RFC7230 6.7) +% +%http10_ignore_upgrade_header(Config) -> +%A server must ignore an upgrade header received by an HTTP/1.0 +%request. (RFC7230 6.7) +% +%expect_then_upgrade(Config) -> +%A server receiving both an upgrade header and an expect header +%containing "100-continue" must send a 100 response before the +%101 response. (RFC7230 6.7) +% +%The upgrade header field cannot be used for switching the +%connection protocol (e.g. TCP) or switching connections. (RFC7230 6.7) +% +%%% Compatibility. +% +%@todo +%A server can choose to be non-conformant to the specifications +%for the sake of compatibility. Such behavior can be enabled +%through configuration and/or software identification. (RFC7230 2.5) |