From 3ed1b24dd6ef6cd3e78a2fa6d600cce082b6984a Mon Sep 17 00:00:00 2001
From: jdamanalo <jamanalo5@up.edu.ph>
Date: Fri, 31 Mar 2023 15:56:23 +0800
Subject: Add cowboy_decompress_h stream handler

---
 test/handlers/decompress_h.erl | 68 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 test/handlers/decompress_h.erl

(limited to 'test/handlers')

diff --git a/test/handlers/decompress_h.erl b/test/handlers/decompress_h.erl
new file mode 100644
index 0000000..346200b
--- /dev/null
+++ b/test/handlers/decompress_h.erl
@@ -0,0 +1,68 @@
+%% This module echoes a request body of to test
+%% the cowboy_decompress_h stream handler.
+
+-module(decompress_h).
+
+-export([init/2]).
+
+init(Req0, State=[]) ->
+	case cowboy_req:binding(what, Req0) of
+		<<"decompress_ignore">> ->
+			cowboy_req:cast({set_options, #{decompress_ignore => true}}, Req0);
+		<<"decompress_ratio_limit">> ->
+			cowboy_req:cast({set_options, #{decompress_ratio_limit => 0.5}}, Req0);
+		<<"normal">> -> ok
+	end,
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{}, Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=header_command) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req2 = cowboy_req:stream_reply(200, #{}, Req1),
+	Req = cowboy_req:stream_body(Body, fin, Req2),
+	{ok, Req, State};
+
+init(Req0, State=accept_identity) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<"identity">>}, Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=invalid_header) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<";">>}, Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=reject_explicit_header) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<"identity, gzip;q=0">>},
+		Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=reject_implicit_header) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<"identity, *;q=0">>},
+		Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=accept_explicit_header) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<"identity, gzip;q=0.5">>},
+		Body, Req1),
+	{ok, Req, State};
+
+init(Req0, State=accept_implicit_header) ->
+	{ok, Body, Req1} = read_body(Req0),
+	Req = cowboy_req:reply(200, #{<<"accept-encoding">> => <<"identity, *;q=0.5">>},
+		Body, Req1),
+	{ok, Req, State}.
+
+read_body(Req0) ->
+	{Status, Data, Req} = cowboy_req:read_body(Req0, #{length => 1000}),
+	do_read_body(Status, Req, Data).
+
+do_read_body(more, Req0, Acc) ->
+	{Status, Data, Req} = cowboy_req:read_body(Req0),
+	do_read_body(Status, Req, << Acc/binary, Data/binary >>);
+do_read_body(ok, Req, Acc) ->
+	{ok, Acc, Req}.
-- 
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