Return nil if claims are not present in request

middleware.go

@@ -2,9 +2,10 @@ package cauth
 
 import (
 	"context"
-	"github.com/lestrrat-go/jwx/jwk"
 	"log"
 	"net/http"
+
+	"github.com/lestrrat-go/jwx/jwk"
 )
 
 type contextKey string
@@ -118,5 +119,5 @@ func GetUserFromContext(r *http.Request) *UserClaims {
 		return &user
 	}
 
-	return &UserClaims{}
+	return nil
 }