diff --git a/s3/middleware.go b/s3/middleware.go
index 6ae215d5a8a02bd0af59a8753f4a35330372ad6a..a4834050bbdd4e7814bd5824ac3fbd9296925ee4 100644
--- a/s3/middleware.go
+++ b/s3/middleware.go
@@ -69,3 +69,10 @@ 	}
 
 	return proto + "://" + upstream
 }
+
+func Enabled(conf ini.File) bool {
+	upstream, _ := conf.Get("objects", "s3-upstream")
+	accessKey, _ := conf.Get("objects", "s3-access-key")
+	secretKey, _ := conf.Get("objects", "s3-secret-key")
+	return upstream != "" && accessKey != "" && secretKey != ""
+}