Check the length before reading the body in body/1 and body_qs/1

1 files changed, 30 insertions, 4 deletions

diff --git a/test/http_handler_echo_body.erl b/test/http_handler_echo_body.erl
index 31595d5..4b9e765 100644
--- a/test/http_handler_echo_body.erl
+++ b/test/http_handler_echo_body.erl
@@ -9,11 +9,37 @@ init({_, http}, Req, _) ->
 
 handle(Req, State) ->
 	true = cowboy_req:has_body(Req),
-	{ok, Body, Req2} = cowboy_req:body(Req),
-	{Size, Req3} = cowboy_req:body_length(Req2),
+	{ok, Req3} = case cowboy_req:body(1000000, Req) of
+		{error, chunked} -> handle_chunked(Req);
+		{error, badlength} -> handle_badlength(Req);
+		{ok, Body, Req2} -> handle_body(Req2, Body)
+	end,
+	{ok, Req3, State}.
+
+handle_chunked(Req) ->
+	{ok, Data, Req2} = read_body(Req, <<>>, 1000000),
+	{ok, Req3} = cowboy_req:reply(200, [], Data, Req2),
+	{ok, Req3}.
+
+handle_badlength(Req) ->
+	{ok, Req2} = cowboy_req:reply(413, [], <<"Request entity too large">>, Req),
+	{ok, Req2}.
+
+handle_body(Req, Body) ->
+	{Size, Req2} = cowboy_req:body_length(Req),
 	Size = byte_size(Body),
-	{ok, Req4} = cowboy_req:reply(200, [], Body, Req3),
-	{ok, Req4, State}.
+	{ok, Req3} = cowboy_req:reply(200, [], Body, Req2),
+	{ok, Req3}.
 
 terminate(_, _, _) ->
 	ok.
+
+% Read chunked request content
+read_body(Req, Acc, BodyLengthRemaining) ->
+	case cowboy_req:stream_body(Req) of
+		{ok, Data, Req2} ->
+			BodyLengthRem = BodyLengthRemaining - byte_size(Data),
+			read_body(Req2, << Acc/binary, Data/binary >>, BodyLengthRem);
+		{done, Req2} ->
+			{ok, Acc, Req2}
+	end.