diff --git a/entrypoint.go b/entrypoint.go
index 5f1215b..a4de72d 100644
--- a/entrypoint.go
+++ b/entrypoint.go
@@ -1,8 +1,11 @@
 package oclib
 
 import (
+	"encoding/base64"
+	"encoding/json"
 	"errors"
 	"fmt"
+	"net/http"
 	"strings"
 
 	"runtime/debug"
@@ -118,6 +121,48 @@ func InitDaemon(appName string) {
 	beego.BConfig.WebConfig.StaticDir["/swagger"] = "swagger"
 }
 
+type IDTokenClaims struct {
+	PeerID string   `json:"peer_id"`
+	Groups []string `json:"groups"`
+}
+
+// SessionClaims struct
+type SessionClaims struct {
+	AccessToken map[string]interface{} `json:"access_token"`
+	IDToken     IDTokenClaims          `json:"id_token"`
+}
+
+// Claims struct
+type Claims struct {
+	Session SessionClaims `json:"session"`
+}
+
+func ExtractTokenInfo(request http.Request) (string, []string) {
+	reqToken := request.Header.Get("Authorization")
+	splitToken := strings.Split(reqToken, "Bearer ")
+	if len(splitToken) < 2 {
+		reqToken = ""
+	} else {
+		reqToken = splitToken[1]
+	}
+	if reqToken != "" {
+		token := strings.Split(reqToken, ".")
+		if len(token) > 2 {
+			bytes, err := base64.StdEncoding.DecodeString(token[2])
+			if err != nil {
+				return "", []string{}
+			}
+			var c Claims
+			err = json.Unmarshal(bytes, &c)
+			if err != nil {
+				return "", []string{}
+			}
+			return c.Session.IDToken.PeerID, c.Session.IDToken.Groups
+		}
+	}
+	return "", []string{}
+}
+
 func Init(appName string) {
 	InitDaemon(appName)
 	api := &tools.API{}