From a26fc2b672d9df0b32c9763a84019f213377e114 Mon Sep 17 00:00:00 2001
From: kevin <wanjunfeng@gmail.com>
Date: Wed, 12 Aug 2020 14:37:34 +0800
Subject: [PATCH] parse body only if content length > 0

---
 rest/httpx/requests.go | 6 +++++-
 rest/httpx/vars.go     | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/rest/httpx/requests.go b/rest/httpx/requests.go
index e5c4be4a..7f8d52cc 100644
--- a/rest/httpx/requests.go
+++ b/rest/httpx/requests.go
@@ -34,7 +34,11 @@ func Parse(r *http.Request, v interface{}) error {
 		return err
 	}
 
-	return ParseJsonBody(r, v)
+	if r.ContentLength > 0 {
+		return ParseJsonBody(r, v)
+	}
+
+	return nil
 }
 
 // Parses the form request.
diff --git a/rest/httpx/vars.go b/rest/httpx/vars.go
index f4a6d6d9..001d2d6d 100644
--- a/rest/httpx/vars.go
+++ b/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")