kos/entry/http/context_test.go

package http

import (
	"net"
	"strings"
	"testing"
)

func TestContext_RealIp(t *testing.T) {
	var (
		pos int
		s   string
	)
	ipaddr := "192.168.6.76, 192.168.6.76, 116.24.65.173,192.168.6.76"
	for {
		if pos = strings.IndexByte(ipaddr, ','); pos > -1 {
			s = strings.TrimSpace(ipaddr[:pos])
			if netip := net.ParseIP(s); netip != nil && !netip.IsPrivate() {
				t.Log(s)
				break
			}
			ipaddr = ipaddr[pos+1:]
		} else {
			break
		}
	}
	t.Log(ipaddr)
}