From 2cf829090fe4d636de7216ccd7a772b56c154897 Mon Sep 17 00:00:00 2001
From: Sven Nierlein <sven@consol.de>
Date: Mon, 8 Jul 2024 09:51:29 +0200
Subject: [PATCH] fix host method error

fixes the error:

    Can't locate object method "host" via package "URI::_foreign" at /omd/sites/Prom1/share/thruk/lib/Thruk/Utils/Filter.pm line 1728
---
 lib/Thruk/Utils/Filter.pm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Thruk/Utils/Filter.pm b/lib/Thruk/Utils/Filter.pm
index 56b1e1318..b1057f605 100644
--- a/lib/Thruk/Utils/Filter.pm
+++ b/lib/Thruk/Utils/Filter.pm
@@ -1723,6 +1723,11 @@ sub _is_frame_url_allowed {
     $url = URI->new($url);
     my $req = $c->req->uri;
 
+    # unknown links cannot be embedded
+    return unless $url;
+    return unless $url->can("scheme");
+    return unless $url->can("host");
+
     # relative links are allowed
     return 1 unless $url->scheme;
     return 1 unless $url->host;