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%% Feel free to use, reuse and abuse the code in this file.
-module(cookie_parser_result_h).
-export([init/2]).
init(Req=#{qs := Qs}, State) ->
%% Hardcoded path, but I doubt it's going to break anytime soon.
ExpectedFile = iolist_to_binary(["../../test/wpt/cookies/", Qs, "-expected"]),
CookieHd = cowboy_req:header(<<"cookie">>, Req),
case file:read_file(ExpectedFile) of
{ok, Expected} when Expected =:= <<>>; Expected =:= <<"\n">> ->
undefined = CookieHd,
ok;
{ok, <<"Cookie: ",CookiesBin0/bits>>} ->
%% We only care about the first line.
[CookiesBin, <<>>|_] = string:split(CookiesBin0, <<"\n">>, all),
CookiesBin = CookieHd,
ok
end,
%% We echo back the cookie header in order to log it.
{ok, cowboy_req:reply(204, case CookieHd of
undefined -> #{<<"x-no-cookie-received">> => <<"Cookie header missing.">>};
_ -> #{<<"x-cookie-received">> => CookieHd}
end, Req), State}.
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