[#450] Fix aws-chunked header workflow

Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

api/handler/util.go

@@ -106,6 +106,23 @@ func (h *handler) getBucketAndCheckOwner(r *http.Request, bucket string, header
 	return bktInfo, checkOwner(bktInfo, expected)
 }
 
+func (h *handler) getPutPayloadSize(r *http.Request) uint64 {
+	decodeContentSize := r.Header.Get(api.AmzDecodedContentLength)
+	decodedSize, err := strconv.Atoi(decodeContentSize)
+	if err != nil {
+		decodedSize = 0
+	}
+
+	var size uint64
+	if decodedSize > 0 {
+		size = uint64(decodedSize)
+	} else if r.ContentLength > 0 {
+		size = uint64(r.ContentLength)
+	}
+
+	return size
+}
+
 func parseRange(s string) (*layer.RangeParams, error) {
 	if s == "" {
 		return nil, nil