From b64e0bc61d8c1c529637b86bf6b76ea553d7a2af Mon Sep 17 00:00:00 2001
From: Jakub Onderka <jakub.onderka@gmail.com>
Date: Fri, 19 Apr 2024 23:39:35 +0200
Subject: [PATCH] fix: [internal] Normalize extension for image helper

Fixes #9692
---
 app/View/Helper/ImageHelper.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/View/Helper/ImageHelper.php b/app/View/Helper/ImageHelper.php
index 90db5c22a..4803a8847 100644
--- a/app/View/Helper/ImageHelper.php
+++ b/app/View/Helper/ImageHelper.php
@@ -8,6 +8,7 @@ class ImageHelper extends AppHelper
     private $imageCache = [];
 
     /**
+     * Converts image file to data format
      * @param string $imagePath Path to file
      * @return string
      * @throws Exception
@@ -18,13 +19,13 @@ class ImageHelper extends AppHelper
             return $this->imageCache[$imagePath];
         }
 
-        $ext = pathinfo($imagePath, PATHINFO_EXTENSION);
+        $ext = strtolower(pathinfo($imagePath, PATHINFO_EXTENSION));
         if ($ext === 'svg') {
             $mime = 'image/svg+xml';
         } else if ($ext === 'png') {
             $mime = 'image/png';
         } else {
-            throw new InvalidArgumentException("Only SVG and PNG images are supported");
+            throw new InvalidArgumentException("Only SVG and PNG images are supported, '$ext' file provided.");
         }
 
         try {