From 92aecb3a1e757081b43fe4cacadac1a65328aff0 Mon Sep 17 00:00:00 2001
From: Matthew Exon <git.mexon@spamgourmet.com>
Date: Mon, 26 Apr 2021 21:47:22 +0200
Subject: [PATCH] error checking in retriever

---
 retriever/retriever.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/retriever/retriever.php b/retriever/retriever.php
index 92442c96..60c9a2a2 100644
--- a/retriever/retriever.php
+++ b/retriever/retriever.php
@@ -241,6 +241,9 @@ function retrieve_dataurl_resource($resource) {
  */
 function retrieve_resource($resource) {
 	$components = parse_url($resource['url']);
+	if (!$components) {
+		Logger::warning('retrieve_resource: URL ' . $resource['url'] . ' could not be parsed');
+	}
 	if ($components['scheme'] == "data") {
 		return retrieve_dataurl_resource($resource);
 	}