TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\ExpressionLanguage\FunctionsProvider;
+
+use Symfony\Component\ExpressionLanguage\ExpressionFunction;
+use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
+use TYPO3\CMS\Core\Site\Entity\SiteInterface;
+use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+
+/**
+ * Functions available in 'TypoScript' context. Note these rely on variables
+ * being hand over, see IncludeTreeConditionMatcherVisitor for more details.
+ *
+ * @internal
+ */
+readonly class Typo3ConditionFunctionsProvider implements ExpressionFunctionProviderInterface
+{
+    /**
+     * @return ExpressionFunction[] An array of Function instances
+     */
+    public function getFunctions(): array
+    {
+        return [
+            $this->getSessionFunction(),
+            $this->getSiteFunction(),
+            $this->getSiteLanguageFunction(),
+            $this->getLocaleFunction(),
+        ];
+    }
+
+    protected function getSessionFunction(): ExpressionFunction
+    {
+        return new ExpressionFunction(
+            'session',
+            static fn() => null, // Not implemented, we only use the evaluator
+            static function ($arguments, $str) {
+                $retVal = null;
+                $keyParts = explode('|', $str);
+                $sessionKey = array_shift($keyParts);
+                $frontendUser = $arguments['request']->getFrontendUser();
+                if ($frontendUser) {
+                    $retVal = $frontendUser->getSessionData($sessionKey);
+                    foreach ($keyParts as $keyPart) {
+                        if (is_object($retVal)) {
+                            $retVal = $retVal->{$keyPart};
+                        } elseif (is_array($retVal)) {
+                            $retVal = $retVal[$keyPart];
+                        } else {
+                            break;
+                        }
+                    }
+                }
+                return $retVal;
+            }
+        );
+    }
+
+    protected function getSiteFunction(): ExpressionFunction
+    {
+        return new ExpressionFunction(
+            'site',
+            static fn() => null, // Not implemented, we only use the evaluator
+            static function ($arguments, $str) {
+                $site = $arguments['site'] ?? null;
+                if ($site instanceof SiteInterface) {
+                    $methodName = 'get' . ucfirst(trim($str));
+                    if (method_exists($site, $methodName)) {
+                        return $site->$methodName();
+                    }
+                }
+                return null;
+            }
+        );
+    }
+
+    protected function getSiteLanguageFunction(): ExpressionFunction
+    {
+        return new ExpressionFunction(
+            'siteLanguage',
+            static fn() => null, // Not implemented, we only use the evaluator
+            static function ($arguments, $str) {
+                $siteLanguage = $arguments['siteLanguage'] ?? null;
+                if ($siteLanguage instanceof SiteLanguage) {
+                    $methodName = 'get' . ucfirst(trim($str));
+                    if (method_exists($siteLanguage, $methodName)) {
+                        return $siteLanguage->$methodName();
+                    }
+                }
+                return null;
+            }
+        );
+    }
+
+    protected function getLocaleFunction(): ExpressionFunction
+    {
+        return new ExpressionFunction(
+            'locale',
+            static fn() => null, // Not implemented, we only use the evaluator
+            static function (array $arguments) {
+                $siteLanguage = $arguments['siteLanguage'] ?? null;
+                if ($siteLanguage instanceof SiteLanguage) {
+                    return $siteLanguage->getLocale();
+                }
+                return null;
+            }
+        );
+    }
+}