From 9efd1319bd4ef9946683751035a1e781a38cce11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20Sch=C3=B6lzel?= <fschoelzel.kontakt@gmail.com>
Date: Mon, 30 Dec 2024 17:02:06 +0100
Subject: [PATCH] [BUGFIX] check for undefined array key for fileGrp in
 mets:fileSec

---
 Classes/Controller/ToolboxController.php | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/Classes/Controller/ToolboxController.php b/Classes/Controller/ToolboxController.php
index cb93c6d62..ee2fb3542 100644
--- a/Classes/Controller/ToolboxController.php
+++ b/Classes/Controller/ToolboxController.php
@@ -321,14 +321,18 @@ private function renderImageDownloadTool(): void
     private function getFile(int $page, array $fileGrps): array
     {
         $file = [];
+        $physicalStructureInfo = $this->currentDocument->physicalStructureInfo[$this->currentDocument->physicalStructure[$page]] ?? null;
         while ($fileGrp = @array_pop($fileGrps)) {
-            $physicalStructureInfo = $this->currentDocument->physicalStructureInfo[$this->currentDocument->physicalStructure[$page]];
-            $fileId = $physicalStructureInfo['files'][$fileGrp];
-            if (!empty($fileId)) {
-                $file['url'] = $this->currentDocument->getDownloadLocation($fileId);
-                $file['mimetype'] = $this->currentDocument->getFileMimeType($fileId);
+            if (isset($physicalStructureInfo['files'][$fileGrp])) {
+                $fileId = $physicalStructureInfo['files'][$fileGrp];
+                if (!empty($fileId)) {
+                    $file['url'] = $this->currentDocument->getDownloadLocation($fileId);
+                    $file['mimetype'] = $this->currentDocument->getFileMimeType($fileId);
+                } else {
+                    $this->logger->warning('File not found in fileGrp "' . $fileGrp . '"');
+                }
             } else {
-                $this->logger->warning('File not found in fileGrp "' . $fileGrp . '"');
+                $this->logger->warning('fileGrp "' . $fileGrp . '" not found in Document mets:fileSec');
             }
         }
         return $file;