From 4e05d8512cd14188d54c442a22d963c971435c78 Mon Sep 17 00:00:00 2001
From: Trevor Slocum <trevor@rocketnine.space>
Date: Thu, 15 Apr 2021 21:38:12 -0700
Subject: [PATCH] Detect failure to create a thumbnail for non-video uploads

Resolves #205.
---
 inc/functions.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/inc/functions.php b/inc/functions.php
index 4e958f5..beaf39a 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -842,6 +842,12 @@ function attachFile($post, $filepath, $filename, $uploaded) {
 		$thumb_info = getimagesize('thumb/' . $post['thumb']);
 		$post['thumb_width'] = $thumb_info[0];
 		$post['thumb_height'] = $thumb_info[1];
+
+		if ($post['thumb_width'] <= 0 || $post['thumb_height'] <= 0) {
+			@unlink($file_location);
+			@unlink('thumb/' . $post['thumb']);
+			fancyDie(__('Sorry, your video appears to be corrupt.'));
+		}
 	}
 
 	return $post;