From 74b045e9b651daee6f9e82c4887674d830cef1f0 Mon Sep 17 00:00:00 2001 From: chrislusf Date: Thu, 14 Apr 2016 14:42:19 -0700 Subject: [PATCH] improve performance a little bit when having white list --- go/security/guard.go | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/go/security/guard.go b/go/security/guard.go index 3c7e3bce3..1ee1bbd89 100644 --- a/go/security/guard.go +++ b/go/security/guard.go @@ -5,7 +5,6 @@ import ( "fmt" "net" "net/http" - "regexp" "strings" "github.com/chrislusf/seaweedfs/go/glog" @@ -108,8 +107,7 @@ func (g *Guard) checkWhiteList(w http.ResponseWriter, r *http.Request) error { // If the whitelist entry contains a "/" it // is a CIDR range, and we should check the // remote host is within it - match, _ := regexp.MatchString("/", ip) - if match { + if strings.Contains(ip, "/") { _, cidrnet, err := net.ParseCIDR(ip) if err != nil { panic(err)