95 lines
3.7 KiB
PHP
95 lines
3.7 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\Cache\Frontend;
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use TYPO3\CMS\Core\Cache\Backend\TransientBackendInterface;
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use TYPO3\CMS\Core\Crypto\HashService;
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use TYPO3\CMS\Core\Serializer\AuthenticatedMessageDeserializer;
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use TYPO3\CMS\Core\Serializer\DeserializationService;
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use TYPO3\CMS\Core\Serializer\Exception\DeserializerException;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* A cache frontend for any kinds of PHP variables
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*/
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class VariableFrontend extends AbstractFrontend
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{
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/**
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* Saves the value of a PHP variable in the cache. Note that the variable
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* will be serialized if necessary.
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*
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* @param int|null $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
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*/
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public function set(string $entryIdentifier, mixed $data, array $tags = [], ?int $lifetime = null): void
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{
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if (!$this->isValidEntryIdentifier($entryIdentifier)) {
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throw new \InvalidArgumentException(
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'"' . $entryIdentifier . '" is not a valid cache entry identifier.',
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1233058264
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);
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}
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foreach ($tags as $tag) {
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if (!$this->isValidTag($tag)) {
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throw new \InvalidArgumentException('"' . $tag . '" is not a valid tag for a cache entry.', 1233058269);
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}
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}
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foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/cache/frontend/class.t3lib_cache_frontend_variablefrontend.php']['set'] ?? [] as $_funcRef) {
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$params = [
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'entryIdentifier' => &$entryIdentifier,
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'variable' => &$data,
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'tags' => &$tags,
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'lifetime' => &$lifetime,
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];
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GeneralUtility::callUserFunction($_funcRef, $params, $this);
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}
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if (!$this->backend instanceof TransientBackendInterface) {
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// No DI/GeneralUtility::makeInstance usage, since caching needs to operate prior to DI container setup.
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$deserializer = new AuthenticatedMessageDeserializer(new HashService(), new DeserializationService());
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$data = $deserializer->serialize($data, VariableFrontend::class);
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}
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$this->backend->set($entryIdentifier, $data, $tags, $lifetime);
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}
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/**
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* Finds and returns a variable value from the cache.
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*/
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public function get(string $entryIdentifier): mixed
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{
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if (!$this->isValidEntryIdentifier($entryIdentifier)) {
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throw new \InvalidArgumentException(
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'"' . $entryIdentifier . '" is not a valid cache entry identifier.',
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1233058294
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);
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}
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$rawResult = $this->backend->get($entryIdentifier);
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if ($rawResult === false) {
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return false;
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}
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if ($this->backend instanceof TransientBackendInterface) {
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return $rawResult;
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}
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try {
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// No DI/GeneralUtility::makeInstance usage, since caching needs to operate prior to DI container setup.
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$deserializer = new AuthenticatedMessageDeserializer(new HashService(), new DeserializationService());
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return $deserializer->deserialize($rawResult, VariableFrontend::class);
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} catch (DeserializerException) {
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return false;
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}
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}
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}
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