From c6cff0ff061d9c82d754c55a0c63c90bbf56d174 Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Wed, 27 Oct 2021 10:45:03 +0200
Subject: [PATCH] Detect mimetype by content only with content

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 apps/workflowengine/lib/Check/FileMimeType.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/workflowengine/lib/Check/FileMimeType.php b/apps/workflowengine/lib/Check/FileMimeType.php
index 8d9e2468ebd84..1beb87d7a15bb 100644
--- a/apps/workflowengine/lib/Check/FileMimeType.php
+++ b/apps/workflowengine/lib/Check/FileMimeType.php
@@ -122,7 +122,7 @@ protected function getActualValue() {
 			return $this->cacheAndReturnMimeType($this->storage->getId(), $this->path, 'httpd/unix-directory');
 		}
 
-		if ($this->storage->file_exists($this->path)) {
+		if ($this->storage->file_exists($this->path) && $this->storage->filesize($this->path)) {
 			$path = $this->storage->getLocalFile($this->path);
 			$mimeType = $this->mimeTypeDetector->detectContent($path);
 			return $this->cacheAndReturnMimeType($this->storage->getId(), $this->path, $mimeType);