From 26d60f16956e0dc097d5ff1249d7230bbc1832a4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Joshua=20R=C3=BCsweg?= <josh@bastelstu.be>
Date: Wed, 6 Feb 2019 13:14:21 +0100
Subject: [PATCH] Validate uploaded trophy images whether their are an image

---
 .../upload/TrophyImageUploadFileValidationStrategy.class.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/upload/TrophyImageUploadFileValidationStrategy.class.php b/wcfsetup/install/files/lib/system/upload/TrophyImageUploadFileValidationStrategy.class.php
index f8d08c2604..599baa946f 100644
--- a/wcfsetup/install/files/lib/system/upload/TrophyImageUploadFileValidationStrategy.class.php
+++ b/wcfsetup/install/files/lib/system/upload/TrophyImageUploadFileValidationStrategy.class.php
@@ -47,6 +47,11 @@ class TrophyImageUploadFileValidationStrategy implements IUploadFileValidationSt
 			return false; 
 		}
 		
+		if (!ImageUtil::isImage($uploadFile->getLocation(), $uploadFile->getFilename())) {
+			$uploadFile->setValidationErrorType('noImage');
+			return false; 
+		}
+		
 		return true;
 	}
 }
-- 
2.20.1