From 8081a13cdff97bf0029eb2e7e0d15ced9954ce5a Mon Sep 17 00:00:00 2001
From: xiekeyang <xiekeyang@huawei.com>
Date: Wed, 4 Mar 2015 16:02:50 +0800
Subject: [PATCH] :func Validate in digest doesn't filter no-hex data

---
 digest/digest.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/digest/digest.go b/digest/digest.go
index efbe49bd7..06e9fad80 100644
--- a/digest/digest.go
+++ b/digest/digest.go
@@ -112,6 +112,10 @@ func (d Digest) Validate() error {
 
 	// Continue on for general parser
 
+	if !DigestRegexp.MatchString(s) {
+		return ErrDigestInvalidFormat
+	}
+
 	i := strings.Index(s, ":")
 	if i < 0 {
 		return ErrDigestInvalidFormat
@@ -129,8 +133,6 @@ func (d Digest) Validate() error {
 		return ErrDigestUnsupported
 	}
 
-	// TODO(stevvooe): Use DigestRegexp to validate digest here.
-
 	return nil
 }