Better logging with RemoteAddr.

1 files changed, 17 insertions, 1 deletions

diff --git a/utilities.go b/utilities.go
index 4bf0b92..3ce3e1d 100644
--- a/utilities.go
+++ b/utilities.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"net"
 	"net/http"
 	"strings"
 )
@@ -33,7 +34,7 @@ func CompareStrings(strs ...string) bool {
 func GetLanguage(r *http.Request) string {
 	c, err := r.Cookie("lang")
 	if err != nil {
-		log.Println("Cookie: lang", err)
+		log.Println("Info: Cookie: lang", err)
 	} else {
 		if c.Value != "" {
 			if c.Value == "de" {
@@ -53,3 +54,18 @@ func GetLanguage(r *http.Request) string {
 	}
 	return ""
 }
+
+func GetIP(r *http.Request) string {
+	if len(r.Header["X-Forwarded-For"]) > 0 {
+		return r.Header["X-Forwarded-For"][0]
+	}
+	if len(r.Header["X-Real-Ip"]) > 0 {
+		return r.Header["X-Real-Ip"][0]
+	}
+	if r.RemoteAddr != "" {
+		ip, _, _ := net.SplitHostPort(r.RemoteAddr)
+		return ip
+	}
+	log.Println("Info: No remote IP detectable.")
+	return "0.0.0.0"
+}