[BUGFIX] Fix cHash calculation for translated iframes

Classes/Backend/Controller/PageEditController.php

@@ -352,13 +352,8 @@ private function iframeUrl(ServerRequestInterface $request, SiteLanguage $siteLa
             $parameters['ADMCMD_prev'] = 'IGNORE';
         }
 
-        $translatedPageRecord = $this->pageRecord->getRawRecord()->toArray();
-        if ($siteLanguage->getLanguageId() > 0) {
-            $translatedPageRecord = $this->getLocalizedPageRecord($siteLanguage->getLanguageId()) ?? $this->pageRecord->getRawRecord()->toArray();
-        }
-
         return $site->getRouter($context)->generateUri(
-            $translatedPageRecord,
+            $this->pageRecord->getRawRecord()->toArray(),
             $parameters,
             '',
             RouterInterface::ABSOLUTE_URL,

Tests/Functional/Backend/Controller/Fixtures/pages.csv

@@ -0,0 +1,8 @@
+"pages"
+,"uid","pid","title","doktype","is_siteroot","deleted","hidden","perms_everybody","slug","sys_language_uid","l10n_parent"
+,1,0,"Root",1,1,0,0,15,"/",0,0
+,2,1,"Page",1,0,0,0,15,"/page",0,0
+,3,1,"Translated page",1,0,0,0,15,"/translated-page",1,2
+"be_users"
+,"uid","pid","tstamp","username","password","admin","disable","starttime","endtime","options","crdate","workspace_perms","deleted","TSconfig","lastlogin","workspace_id"
+,1,0,1366642540,"admin","$1$tCrlLajZ$C0sikFQQ3SWaFAZ1Me0Z/1",1,0,0,0,0,1366642540,1,0,,1371033743,0

Tests/Functional/Backend/Controller/PageEditControllerTest.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TYPO3\CMS\VisualEditor\Tests\Functional\Backend\Controller;
+
+use PHPUnit\Framework\Attributes\Test;
+use Psr\Http\Message\UriInterface;
+use ReflectionMethod;
+use TYPO3\CMS\Backend\Module\ModuleData;
+use TYPO3\CMS\Core\Http\ServerRequest;
+use TYPO3\CMS\Core\Localization\LanguageServiceFactory;
+use TYPO3\CMS\Core\Site\Entity\Site;
+use TYPO3\CMS\Frontend\Page\CacheHashCalculator;
+use TYPO3\CMS\VisualEditor\Backend\Controller\PageEditController;
+use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
+
+final class PageEditControllerTest extends FunctionalTestCase
+{
+    protected array $testExtensionsToLoad = [
+        'typo3conf/ext/visual_editor',
+    ];
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->importCSVDataSet(__DIR__ . '/Fixtures/pages.csv');
+        $backendUser = $this->setUpBackendUser(1);
+        $GLOBALS['LANG'] = $this->get(LanguageServiceFactory::class)->createFromUserPreferences($backendUser);
+    }
+
+    #[Test]
+    public function translatedIframeUrlUsesDefaultPageUidForCacheHash(): void
+    {
+        $site = new Site('test', 1, [
+            'base' => 'https://example.com/',
+            'languages' => [
+                [
+                    'languageId' => 0,
+                    'title' => 'English',
+                    'locale' => 'en_US.UTF-8',
+                    'base' => '/',
+                ],
+                [
+                    'languageId' => 1,
+                    'title' => 'German',
+                    'locale' => 'de_DE.UTF-8',
+                    'base' => '/de/',
+                ],
+            ],
+        ]);
+        $request = (new ServerRequest('https://example.com/typo3/module/web/edit'))
+            ->withAttribute('site', $site)
+            ->withAttribute('moduleData', new ModuleData('web_edit', ['languages' => [1]]))
+            ->withQueryParams([
+                'id' => 2,
+                'params' => ['testing' => ['value' => 1]],
+            ]);
+        $subject = $this->get(PageEditController::class);
+        (new ReflectionMethod($subject, 'initialize'))->invoke($subject, $request);
+
+        /** @var UriInterface $iframeUrl */
+        $iframeUrl = (new ReflectionMethod($subject, 'iframeUrl'))->invoke($subject, $request, $site->getLanguageById(1));
+        parse_str($iframeUrl->getQuery(), $queryParameters);
+        $expectedCacheHash = $this->get(CacheHashCalculator::class)->generateForParameters(http_build_query([
+            'id' => 2,
+            'testing' => ['value' => 1],
+            'editMode' => 1,
+        ]));
+
+        self::assertSame('/de/translated-page', $iframeUrl->getPath());
+        self::assertSame('1', $queryParameters['editMode']);
+        self::assertSame(['value' => '1'], $queryParameters['testing']);
+        self::assertSame($expectedCacheHash, $queryParameters['cHash']);
+    }
+}