Fix broken RSS feeds after TYPO3 update

Classes/Frontend/RssFeed/XmlSitemapRenderer.php

@@ -32,20 +32,34 @@ class XmlSitemapRenderer extends Typo3XmlSitemapRenderer
      */
     public $cObj;
 
+    private array $typoScriptConfiguration = [];
+
     public function render(string $_, array $typoScriptConfiguration, ServerRequestInterface $request): string
+    {
+        $this->typoScriptConfiguration = $typoScriptConfiguration;
+
+        return parent::render($_, $typoScriptConfiguration, $request);
+    }
+
+    protected function initialize(array $fullConfiguration)
+    {
+        parent::initialize($fullConfiguration);
+        $this->view->assign('settings', $this->getSettings());
+    }
+
+    private function getSettings(): array
     {
         $settings = [];
-        foreach (array_keys($typoScriptConfiguration['userFunc.']['variables.'] ?? []) as $variableName) {
+        foreach (array_keys($this->typoScriptConfiguration['userFunc.']['variables.'] ?? []) as $variableName) {
             if (substr($variableName, -1) === '.') {
                 continue;
             }
             $settings[$variableName] = $this->cObj->cObjGetSingle(
-                $typoScriptConfiguration['userFunc.']['variables.'][$variableName] ?? '',
+                $this->typoScriptConfiguration['userFunc.']['variables.'][$variableName] ?? '',
-                $typoScriptConfiguration['userFunc.']['variables.'][$variableName . '.'] ?? []
+                $this->typoScriptConfiguration['userFunc.']['variables.'][$variableName . '.'] ?? []
             );
         }
-        $this->view->assign('settings', $settings);
 
-        return parent::render($_, $typoScriptConfiguration, $request);
+        return $settings;
     }
 }

Configuration/Services.yaml

@@ -18,6 +18,9 @@ services:
     arguments:
       - 'pages'
 
+  DanielSiepmann\DsSite\Frontend\RssFeed\XmlSitemapRenderer:
+    public: true
+
   DanielSiepmann\DsSite\Frontend\DataProcessing\CategoriesCounts:
     public: true
     arguments: