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\Cache\Frontend;
+
+use TYPO3\CMS\Core\Cache\Backend\TransientBackendInterface;
+use TYPO3\CMS\Core\Crypto\HashService;
+use TYPO3\CMS\Core\Serializer\AuthenticatedMessageDeserializer;
+use TYPO3\CMS\Core\Serializer\DeserializationService;
+use TYPO3\CMS\Core\Serializer\Exception\DeserializerException;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * A cache frontend for any kinds of PHP variables
+ */
+class VariableFrontend extends AbstractFrontend
+{
+    /**
+     * Saves the value of a PHP variable in the cache. Note that the variable
+     * will be serialized if necessary.
+     *
+     * @param int|null $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
+     */
+    public function set(string $entryIdentifier, mixed $data, array $tags = [], ?int $lifetime = null): void
+    {
+        if (!$this->isValidEntryIdentifier($entryIdentifier)) {
+            throw new \InvalidArgumentException(
+                '"' . $entryIdentifier . '" is not a valid cache entry identifier.',
+                1233058264
+            );
+        }
+        foreach ($tags as $tag) {
+            if (!$this->isValidTag($tag)) {
+                throw new \InvalidArgumentException('"' . $tag . '" is not a valid tag for a cache entry.', 1233058269);
+            }
+        }
+        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/cache/frontend/class.t3lib_cache_frontend_variablefrontend.php']['set'] ?? [] as $_funcRef) {
+            $params = [
+                'entryIdentifier' => &$entryIdentifier,
+                'variable' => &$data,
+                'tags' => &$tags,
+                'lifetime' => &$lifetime,
+            ];
+            GeneralUtility::callUserFunction($_funcRef, $params, $this);
+        }
+        if (!$this->backend instanceof TransientBackendInterface) {
+            // No DI/GeneralUtility::makeInstance usage, since caching needs to operate prior to DI container setup.
+            $deserializer = new AuthenticatedMessageDeserializer(new HashService(), new DeserializationService());
+            $data = $deserializer->serialize($data, VariableFrontend::class);
+        }
+        $this->backend->set($entryIdentifier, $data, $tags, $lifetime);
+    }
+
+    /**
+     * Finds and returns a variable value from the cache.
+     */
+    public function get(string $entryIdentifier): mixed
+    {
+        if (!$this->isValidEntryIdentifier($entryIdentifier)) {
+            throw new \InvalidArgumentException(
+                '"' . $entryIdentifier . '" is not a valid cache entry identifier.',
+                1233058294
+            );
+        }
+        $rawResult = $this->backend->get($entryIdentifier);
+        if ($rawResult === false) {
+            return false;
+        }
+        if ($this->backend instanceof TransientBackendInterface) {
+            return $rawResult;
+        }
+        try {
+            // No DI/GeneralUtility::makeInstance usage, since caching needs to operate prior to DI container setup.
+            $deserializer = new AuthenticatedMessageDeserializer(new HashService(), new DeserializationService());
+            return $deserializer->deserialize($rawResult, VariableFrontend::class);
+        } catch (DeserializerException) {
+            return false;
+        }
+    }
+}