parse body only if content length > 0

rest/httpx/requests.go

@@ -34,9 +34,13 @@ func Parse(r *http.Request, v interface{}) error {
 		return err
 	}
 
+	if r.ContentLength > 0 {
 		return ParseJsonBody(r, v)
 	}
 
+	return nil
+}
+
 // Parses the form request.
 func ParseForm(r *http.Request, v interface{}) error {
 	if strings.Contains(r.Header.Get(ContentType), multipartFormData) {

rest/httpx/vars.go

@@ -20,4 +20,4 @@ const (
 	CodeSignatureInvalidToken
 )
 
-var ErrBodylessRequest = errors.New("not a POST|PUT|PATCH request")
+var ErrBodylessRequest = errors.New("not a POST|PUT|PATCH|DELETE request")