From 00432bcfd670f28c2ae55ddcfafbf70ad4a0f5bf Mon Sep 17 00:00:00 2001
From: Trong Huu Nguyen <trong.huu.nguyen@nav.no>
Date: Wed, 3 May 2023 08:38:12 +0200
Subject: [PATCH] fix(url/validator): return early if allowed domain is empty

---
 pkg/url/validator.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/url/validator.go b/pkg/url/validator.go
index 81e81d7..c14b3d6 100644
--- a/pkg/url/validator.go
+++ b/pkg/url/validator.go
@@ -129,6 +129,10 @@ func isValidAbsolutePath(redirect string) bool {
 }
 
 func isAllowedDomain(u *url.URL, allowed string) bool {
+	if len(allowed) == 0 {
+		return false
+	}
+
 	host := u.Host
 	hostname := u.Hostname()