From 3110831131c0ab0c781d4916930a73ac2f0ce3f4 Mon Sep 17 00:00:00 2001
From: Philipp <admin@philipp.info>
Date: Tue, 3 Jan 2023 21:05:58 +0100
Subject: [PATCH] Fix empty fetchResult at ExternalStorage (thx to Marco R.)

---
 src/Model/Post/Link.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Model/Post/Link.php b/src/Model/Post/Link.php
index aa830a1d28..343ad815c3 100644
--- a/src/Model/Post/Link.php
+++ b/src/Model/Post/Link.php
@@ -126,7 +126,7 @@ class Link
 		$timeout = DI::config()->get('system', 'xrd_timeout');
 
 		$curlResult = HTTPSignature::fetchRaw($url, 0, [HttpClientOptions::TIMEOUT => $timeout, HttpClientOptions::ACCEPT_CONTENT => $accept]);
-		if (!$curlResult->isSuccess()) {
+		if (empty($curlResult) || !$curlResult->isSuccess()) {
 			return [];
 		}
 		$fields = ['mimetype' => $curlResult->getHeader('Content-Type')[0]];