package iputil | |
import ( | |
"net" | |
"net/http" | |
"strings" | |
) | |
//ClientIP try to get ip from http header | |
func ClientIP(r *http.Request) string { | |
xForwardedFor := r.Header.Get("X-Forwarded-For") | |
ip := strings.TrimSpace(strings.Split(xForwardedFor, ",")[0]) | |
if ip != "" { | |
return ip | |
} | |
ip = strings.TrimSpace(r.Header.Get("X-Real-Ip")) | |
if ip != "" { | |
return ip | |
} | |
if ip, _, err := net.SplitHostPort(strings.TrimSpace(r.RemoteAddr)); err == nil { | |
return ip | |
} | |
return "" | |
} |