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rationalize return logic in validateHeader()

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This commit is contained in:
Notealot 2021-10-27 00:19:06 +08:00
parent 1f30270b0c
commit 513b59fa88
1 changed files with 14 additions and 15 deletions
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7
gin.go
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@ -416,9 +416,7 @@ func (engine *Engine) isTrustedProxy(ip net.IP) bool {
} }
func (engine *Engine) validateHeader(header string) (clientIP string, valid bool) { func (engine *Engine) validateHeader(header string) (clientIP string, valid bool) {
if header == "" { if header != "" {
return "", false
}
items := strings.Split(header, ",") items := strings.Split(header, ",")
for i := len(items) - 1; i >= 0; i-- { for i := len(items) - 1; i >= 0; i-- {
ipStr := strings.TrimSpace(items[i]) ipStr := strings.TrimSpace(items[i])
@ -433,7 +431,8 @@ func (engine *Engine) validateHeader(header string) (clientIP string, valid bool
return ipStr, true return ipStr, true
} }
} }
return }
return "", false
} }
// parseTrustedProxies parse Engine.trustedProxies to Engine.trustedCIDRs // parseTrustedProxies parse Engine.trustedProxies to Engine.trustedCIDRs