From 9410bd0b86e2436117f53d7671ada7be304d5408 Mon Sep 17 00:00:00 2001
From: daheige <zhuwei313@hotmail.com>
Date: Sat, 5 Jun 2021 14:14:20 +0800
Subject: [PATCH] rename validateHeader to getIPFromHeader and code adjust

---
 context.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/context.go b/context.go
index a6775abb..2a8d7745 100644
--- a/context.go
+++ b/context.go
@@ -749,7 +749,7 @@ func (c *Context) ClientIP() string {
 
 	if trusted && c.engine.ForwardedByClientIP && c.engine.RemoteIPHeaders != nil {
 		for _, headerName := range c.engine.RemoteIPHeaders {
-			ip, valid := validateHeader(c.requestHeader(headerName))
+			ip, valid := getIPFromHeader(c.requestHeader(headerName))
 			if valid {
 				return ip
 			}
@@ -783,10 +783,17 @@ func (c *Context) RemoteIP() (net.IP, bool) {
 	return remoteIP, false
 }
 
-func validateHeader(header string) (clientIP string, valid bool) {
+// getIPFromHeader return clientIP,valid when validate ip address
+func getIPFromHeader(header string) (string, bool) {
 	if header == "" {
 		return "", false
 	}
+
+	var (
+		clientIP string
+		valid    bool
+	)
+
 	items := strings.Split(header, ",")
 	for i, ipStr := range items {
 		ipStr = strings.TrimSpace(ipStr)
@@ -803,7 +810,8 @@ func validateHeader(header string) (clientIP string, valid bool) {
 			valid = true
 		}
 	}
-	return
+
+	return clientIP, valid
 }
 
 // ContentType returns the Content-Type header of the request.