Remove cowboy_req:body/2

This function was badly thought out and would cause more harm
than good if used at all. Recommendation will be for people
who need to limit body length to check it beforehand or when
not possible to use the stream_body API.

src/cowboy_req.erl

@@ -81,7 +81,6 @@
 -export([stream_body/1]).
 -export([skip_body/1]).
 -export([body/1]).
--export([body/2]).
 -export([body_qs/1]).
 -export([multipart_data/1]).
 -export([multipart_skip/1]).
@@ -698,25 +697,14 @@ content_decode(ContentDecode, Data, Req) ->
 %% @doc Return the full body sent with the request.
 -spec body(Req) -> {ok, binary(), Req} | {error, atom()} when Req::req().
 body(Req) ->
-	read_body(infinity, Req, <<>>).
+	body(Req, <<>>).
 
-%% @doc Return the full body sent with the request as long as the body
-%% length doesn't go over MaxLength.
-%%
-%% This is most useful to quickly be able to get the full body while
-%% avoiding filling your memory with huge request bodies when you're
-%% not expecting it.
--spec body(non_neg_integer() | infinity, Req)
-	-> {ok, binary(), Req} | {error, atom()} when Req::req().
-body(MaxLength, Req) ->
-	read_body(MaxLength, Req, <<>>).
-
--spec read_body(non_neg_integer() | infinity, Req, binary())
+-spec body(Req, binary())
 	-> {ok, binary(), Req} | {error, atom()} when Req::req().
-read_body(MaxLength, Req, Acc) when MaxLength > byte_size(Acc) ->
+body(Req, Acc) ->
 	case stream_body(Req) of
 		{ok, Data, Req2} ->
-			read_body(MaxLength, Req2, << Acc/binary, Data/binary >>);
+			body(Req2, << Acc/binary, Data/binary >>);
 		{done, Req2} ->
 			{ok, Acc, Req2};
 		{error, Reason} ->