%% This module echoes back the value the test is interested in. -module(resp_h). %% @todo Probably should have a separate handler for errors, %% so that we can dialyze all the other correct calls. -dialyzer({nowarn_function, do/3}). -export([init/2]). init(Req, Opts) -> do(cowboy_req:binding(key, Req), Req, Opts). do(<<"set_resp_cookie3">>, Req0, Opts) -> Req = case cowboy_req:binding(arg, Req0) of undefined -> cowboy_req:set_resp_cookie(<<"mycookie">>, "myvalue", Req0); <<"multiple">> -> Req1 = cowboy_req:set_resp_cookie(<<"mycookie">>, "myvalue", Req0), cowboy_req:set_resp_cookie(<<"yourcookie">>, <<"yourvalue">>, Req1); <<"overwrite">> -> Req1 = cowboy_req:set_resp_cookie(<<"mycookie">>, "myvalue", Req0), cowboy_req:set_resp_cookie(<<"mycookie">>, <<"overwrite">>, Req1) end, {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"set_resp_cookie4">>, Req0, Opts) -> Req = cowboy_req:set_resp_cookie(<<"mycookie">>, "myvalue", Req0, #{path => cowboy_req:path(Req0)}), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"set_resp_header">>, Req0, Opts) -> Req = cowboy_req:set_resp_header(<<"content-type">>, <<"text/plain">>, Req0), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"set_resp_header_server">>, Req0, Opts) -> Req = cowboy_req:set_resp_header(<<"server">>, <<"nginx">>, Req0), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"set_resp_headers">>, Req0, Opts) -> Req = cowboy_req:set_resp_headers(#{ <<"content-type">> => <<"text/plain">>, <<"content-encoding">> => <<"compress">> }, Req0), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"resp_header_defined">>, Req0, Opts) -> Req1 = cowboy_req:set_resp_header(<<"content-type">>, <<"text/plain">>, Req0), <<"text/plain">> = cowboy_req:resp_header(<<"content-type">>, Req1), <<"text/plain">> = cowboy_req:resp_header(<<"content-type">>, Req1, default), {ok, cowboy_req:reply(200, #{}, "OK", Req0), Opts}; do(<<"resp_header_default">>, Req, Opts) -> undefined = cowboy_req:resp_header(<<"content-type">>, Req), default = cowboy_req:resp_header(<<"content-type">>, Req, default), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"resp_headers">>, Req0, Opts) -> Req1 = cowboy_req:set_resp_header(<<"server">>, <<"nginx">>, Req0), Req = cowboy_req:set_resp_headers(#{ <<"content-type">> => <<"text/plain">>, <<"content-encoding">> => <<"compress">> }, Req1), Headers = cowboy_req:resp_headers(Req), true = maps:is_key(<<"server">>, Headers), true = maps:is_key(<<"content-type">>, Headers), true = maps:is_key(<<"content-encoding">>, Headers), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"resp_headers_empty">>, Req, Opts) -> #{} = cowboy_req:resp_headers(Req), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"set_resp_body">>, Req0, Opts) -> Arg = cowboy_req:binding(arg, Req0), Req1 = case Arg of <<"sendfile0">> -> AppFile = code:where_is_file("cowboy.app"), cowboy_req:set_resp_body({sendfile, 0, 0, AppFile}, Req0); <<"sendfile">> -> AppFile = code:where_is_file("cowboy.app"), cowboy_req:set_resp_body({sendfile, 0, filelib:file_size(AppFile), AppFile}, Req0); _ -> cowboy_req:set_resp_body(<<"OK">>, Req0) end, Req = case Arg of <<"override">> -> cowboy_req:reply(200, #{}, <<"OVERRIDE">>, Req1); _ -> cowboy_req:reply(200, Req1) end, {ok, Req, Opts}; do(<<"has_resp_header">>, Req0, Opts) -> false = cowboy_req:has_resp_header(<<"content-type">>, Req0), Req = cowboy_req:set_resp_header(<<"content-type">>, <<"text/plain">>, Req0), true = cowboy_req:has_resp_header(<<"content-type">>, Req), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"has_resp_body">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"sendfile">> -> %% @todo Cases for sendfile. Note that sendfile 0 is unallowed. false = cowboy_req:has_resp_body(Req0), Req = cowboy_req:set_resp_body({sendfile, 0, 10, code:where_is_file("cowboy.app")}, Req0), true = cowboy_req:has_resp_body(Req), {ok, cowboy_req:reply(200, #{}, <<"OK">>, Req), Opts}; undefined -> false = cowboy_req:has_resp_body(Req0), Req = cowboy_req:set_resp_body(<<"OK">>, Req0), true = cowboy_req:has_resp_body(Req), {ok, cowboy_req:reply(200, #{}, Req), Opts} end; do(<<"delete_resp_header">>, Req0, Opts) -> %% We try to delete first even though it hasn't been set to %% make sure this noop is possible. Req1 = cowboy_req:delete_resp_header(<<"content-type">>, Req0), false = cowboy_req:has_resp_header(<<"content-type">>, Req1), Req2 = cowboy_req:set_resp_header(<<"content-type">>, <<"text/plain">>, Req1), true = cowboy_req:has_resp_header(<<"content-type">>, Req2), Req = cowboy_req:delete_resp_header(<<"content-type">>, Req2), false = cowboy_req:has_resp_header(<<"content-type">>, Req), {ok, cowboy_req:reply(200, #{}, "OK", Req), Opts}; do(<<"inform2">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"binary">> -> cowboy_req:inform(<<"102 On my way">>, Req0); <<"error">> -> ct_helper:ignore(cowboy_req, inform, 3), cowboy_req:inform(ok, Req0); <<"twice">> -> cowboy_req:inform(102, Req0), cowboy_req:inform(102, Req0); Status -> cowboy_req:inform(binary_to_integer(Status), Req0) end, Req = cowboy_req:reply(200, Req0), {ok, Req, Opts}; do(<<"inform3">>, Req0, Opts) -> Headers = #{<<"ext-header">> => <<"ext-value">>}, case cowboy_req:binding(arg, Req0) of <<"binary">> -> cowboy_req:inform(<<"102 On my way">>, Headers, Req0); <<"error">> -> ct_helper:ignore(cowboy_req, inform, 3), cowboy_req:inform(ok, Headers, Req0); <<"twice">> -> cowboy_req:inform(102, Headers, Req0), cowboy_req:inform(102, Headers, Req0); Status -> cowboy_req:inform(binary_to_integer(Status), Headers, Req0) end, Req = cowboy_req:reply(200, Req0), {ok, Req, Opts}; do(<<"reply2">>, Req0, Opts) -> Req = case cowboy_req:binding(arg, Req0) of <<"binary">> -> cowboy_req:reply(<<"200 GOOD">>, Req0); <<"error">> -> ct_helper:ignore(cowboy_req, reply, 4), cowboy_req:reply(ok, Req0); <<"twice">> -> ct_helper:ignore(cowboy_req, reply, 4), Req1 = cowboy_req:reply(200, Req0), cowboy_req:reply(200, Req1); Status -> cowboy_req:reply(binary_to_integer(Status), Req0) end, {ok, Req, Opts}; do(<<"reply3">>, Req0, Opts) -> Req = case cowboy_req:binding(arg, Req0) of <<"error">> -> ct_helper:ignore(cowboy_req, reply, 4), cowboy_req:reply(200, ok, Req0); Status -> cowboy_req:reply(binary_to_integer(Status), #{<<"content-type">> => <<"text/plain">>}, Req0) end, {ok, Req, Opts}; do(<<"reply4">>, Req0, Opts) -> Req = case cowboy_req:binding(arg, Req0) of <<"error">> -> ct_helper:ignore(erlang, iolist_size, 1), cowboy_req:reply(200, #{}, ok, Req0); Status -> cowboy_req:reply(binary_to_integer(Status), #{}, <<"OK">>, Req0) end, {ok, Req, Opts}; do(<<"stream_reply2">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"binary">> -> Req = cowboy_req:stream_reply(<<"200 GOOD">>, Req0), stream_body(Req), {ok, Req, Opts}; <<"error">> -> ct_helper:ignore(cowboy_req, stream_reply, 3), Req = cowboy_req:stream_reply(ok, Req0), stream_body(Req), {ok, Req, Opts}; <<"204">> -> Req = cowboy_req:stream_reply(204, Req0), {ok, Req, Opts}; <<"304">> -> Req = cowboy_req:stream_reply(304, Req0), {ok, Req, Opts}; Status -> Req = cowboy_req:stream_reply(binary_to_integer(Status), Req0), stream_body(Req), {ok, Req, Opts} end; do(<<"stream_reply3">>, Req0, Opts) -> Req = case cowboy_req:binding(arg, Req0) of <<"error">> -> ct_helper:ignore(cowboy_req, stream_reply, 3), cowboy_req:stream_reply(200, ok, Req0); Status -> cowboy_req:stream_reply(binary_to_integer(Status), #{<<"content-type">> => <<"text/plain">>}, Req0) end, stream_body(Req), {ok, Req, Opts}; do(<<"stream_body">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"fin0">> -> Req = cowboy_req:stream_reply(200, Req0), cowboy_req:stream_body(<<"Hello world!">>, nofin, Req), cowboy_req:stream_body(<<>>, fin, Req), {ok, Req, Opts}; <<"multiple">> -> Req = cowboy_req:stream_reply(200, Req0), cowboy_req:stream_body(<<"Hello ">>, nofin, Req), cowboy_req:stream_body(<<"world">>, nofin, Req), cowboy_req:stream_body(<<"!">>, fin, Req), {ok, Req, Opts}; <<"loop">> -> Req = cowboy_req:stream_reply(200, Req0), _ = [cowboy_req:stream_body(<<0:1000000/unit:8>>, nofin, Req) || _ <- lists:seq(1, 32)], {ok, Req, Opts}; <<"nofin">> -> Req = cowboy_req:stream_reply(200, Req0), cowboy_req:stream_body(<<"Hello world!">>, nofin, Req), {ok, Req, Opts}; <<"sendfile">> -> AppFile = code:where_is_file("cowboy.app"), AppSize = filelib:file_size(AppFile), Req = cowboy_req:stream_reply(200, Req0), cowboy_req:stream_body(<<"Hello ">>, nofin, Req), cowboy_req:stream_body({sendfile, 0, AppSize, AppFile}, nofin, Req), cowboy_req:stream_body(<<" interspersed ">>, nofin, Req), cowboy_req:stream_body({sendfile, 0, AppSize, AppFile}, nofin, Req), cowboy_req:stream_body(<<" world!">>, fin, Req), {ok, Req, Opts}; <<"sendfile_fin">> -> AppFile = code:where_is_file("cowboy.app"), AppSize = filelib:file_size(AppFile), Req = cowboy_req:stream_reply(200, Req0), cowboy_req:stream_body(<<"Hello! ">>, nofin, Req), cowboy_req:stream_body({sendfile, 0, AppSize, AppFile}, fin, Req), {ok, Req, Opts}; _ -> %% Call stream_body without initiating streaming. cowboy_req:stream_body(<<0:800000>>, fin, Req0), {ok, Req0, Opts} end; do(<<"stream_body_content_length">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"fin0">> -> Req1 = cowboy_req:set_resp_header(<<"content-length">>, <<"12">>, Req0), Req = cowboy_req:stream_reply(200, Req1), cowboy_req:stream_body(<<"Hello world!">>, nofin, Req), cowboy_req:stream_body(<<>>, fin, Req), {ok, Req, Opts}; <<"multiple">> -> Req1 = cowboy_req:set_resp_header(<<"content-length">>, <<"12">>, Req0), Req = cowboy_req:stream_reply(200, Req1), cowboy_req:stream_body(<<"Hello ">>, nofin, Req), cowboy_req:stream_body(<<"world">>, nofin, Req), cowboy_req:stream_body(<<"!">>, fin, Req), {ok, Req, Opts}; <<"nofin">> -> Req1 = cowboy_req:set_resp_header(<<"content-length">>, <<"12">>, Req0), Req = cowboy_req:stream_reply(200, Req1), cowboy_req:stream_body(<<"Hello world!">>, nofin, Req), {ok, Req, Opts}; <<"nofin-error">> -> Req1 = cowboy_req:set_resp_header(<<"content-length">>, <<"12">>, Req0), Req = cowboy_req:stream_reply(200, Req1), cowboy_req:stream_body(<<"Hello">>, nofin, Req), {ok, Req, Opts} end; do(<<"stream_events">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of %%<<"single">> %%<<"list">> <<"single">> -> Req = cowboy_req:stream_reply(200, #{<<"content-type">> => <<"text/event-stream">>}, Req0), cowboy_req:stream_events(#{ event => <<"add_comment">>, data => <<"Comment text.\nWith many lines.">> }, fin, Req), {ok, Req, Opts}; <<"list">> -> Req = cowboy_req:stream_reply(200, #{<<"content-type">> => <<"text/event-stream">>}, Req0), cowboy_req:stream_events([ #{ event => <<"add_comment">>, data => <<"Comment text.\nWith many lines.">> }, #{ comment => <<"Set retry higher\nwith many lines also.">>, retry => 10000 }, #{ id => <<"123">>, event => <<"add_comment">>, data => <<"Closing!">> } ], fin, Req), {ok, Req, Opts}; <<"multiple">> -> Req = cowboy_req:stream_reply(200, #{<<"content-type">> => <<"text/event-stream">>}, Req0), cowboy_req:stream_events(#{ event => <<"add_comment">>, data => <<"Comment text.\nWith many lines.">> }, nofin, Req), cowboy_req:stream_events(#{ comment => <<"Set retry higher\nwith many lines also.">>, retry => 10000 }, nofin, Req), cowboy_req:stream_events(#{ id => <<"123">>, event => <<"add_comment">>, data => <<"Closing!">> }, fin, Req), {ok, Req, Opts} end; do(<<"stream_trailers">>, Req0, Opts) -> case cowboy_req:binding(arg, Req0) of <<"large">> -> Req = cowboy_req:stream_reply(200, #{ <<"trailer">> => <<"grpc-status">> }, Req0), cowboy_req:stream_body(<<0:800000>>, nofin, Req), cowboy_req:stream_trailers(#{ <<"grpc-status">> => <<"0">> }, Req), {ok, Req, Opts}; _ -> Req = cowboy_req:stream_reply(200, #{ <<"trailer">> => <<"grpc-status">> }, Req0), cowboy_req:stream_body(<<"Hello world!">>, nofin, Req), cowboy_req:stream_trailers(#{ <<"grpc-status">> => <<"0">> }, Req), {ok, Req, Opts} end; do(<<"push">>, Req, Opts) -> case cowboy_req:binding(arg, Req) of <<"method">> -> cowboy_req:push("/static/style.css", #{<<"accept">> => <<"text/css">>}, Req, #{method => <<"HEAD">>}); <<"origin">> -> cowboy_req:push("/static/style.css", #{<<"accept">> => <<"text/css">>}, Req, #{scheme => <<"ftp">>, host => <<"127.0.0.1">>, port => 21}); <<"qs">> -> cowboy_req:push("/static/style.css", #{<<"accept">> => <<"text/css">>}, Req, #{qs => <<"server=cowboy&version=2.0">>}); _ -> cowboy_req:push("/static/style.css", #{<<"accept">> => <<"text/css">>}, Req), %% The text/plain mime is not defined by default, so a 406 will be returned. cowboy_req:push("/static/plain.txt", #{<<"accept">> => <<"text/plain">>}, Req) end, {ok, cowboy_req:reply(200, Req), Opts}. stream_body(Req) -> _ = [cowboy_req:stream_body(<<0:800000>>, nofin, Req) || _ <- lists:seq(1,9)], cowboy_req:stream_body(<<0:800000>>, fin, Req).