From a9d5764cd6cc51581bd78820c30b4b8d92e786a0 Mon Sep 17 00:00:00 2001
From: Timothy Elias <elias+git@mogic.com>
Date: Tue, 14 Jul 2026 17:04:50 +0200
Subject: [PATCH] [TASK] Use PageRenderer to register dns-prefetch header

---
 Classes/Driver/AmazonS3Driver.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Classes/Driver/AmazonS3Driver.php b/Classes/Driver/AmazonS3Driver.php
index 5cdf4df4..955109bc 100644
--- a/Classes/Driver/AmazonS3Driver.php
+++ b/Classes/Driver/AmazonS3Driver.php
@@ -31,6 +31,7 @@
 use TYPO3\CMS\Core\Log\LogManager;
 use TYPO3\CMS\Core\Messaging\FlashMessage;
 use TYPO3\CMS\Core\Messaging\FlashMessageService;
+use TYPO3\CMS\Core\Page\PageRenderer;
 use TYPO3\CMS\Core\Resource\Driver\AbstractHierarchicalFilesystemDriver;
 use TYPO3\CMS\Core\Resource\Driver\StreamableDriverInterface;
 use TYPO3\CMS\Core\Resource\Exception;
@@ -1231,7 +1232,9 @@ protected function initializeSettings()
         $this->initializeBaseFolder();
 
         if ($this->compatibilityService->isFrontend() && (!isset(self::$settings['dnsPrefetch']) || self::$settings['dnsPrefetch'])) {
-            $GLOBALS['TSFE']->additionalHeaderData['ausDriverAmazonS3_dnsPrefetch'] = '<link rel="dns-prefetch" href="' . $this->baseUrl . '">';
+            GeneralUtility::makeInstance(PageRenderer::class)->addHeaderData(
+                '<link rel="dns-prefetch" href="' . $this->baseUrl . '">'
+            );
         }
         return $this;
     }