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espocrm/application/Espo/Core/Utils/DataCache.php
2026-01-19 17:46:06 +01:00

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<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM Open Source CRM application.
* Copyright (C) 2014-2025 EspoCRM, Inc.
* Website: https://www.espocrm.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\Core\Utils;
use Espo\Core\Utils\File\Manager as FileManager;
use InvalidArgumentException;
use RuntimeException;
use stdClass;
class DataCache
{
protected string $cacheDir = 'data/cache/application/';
public function __construct(protected FileManager $fileManager)
{}
/**
* Whether is cached.
*/
public function has(string $key): bool
{
$cacheFile = $this->getCacheFile($key);
return $this->fileManager->isFile($cacheFile);
}
/**
* Get a stored value.
*
* @return array<int|string, mixed>|stdClass
*/
public function get(string $key)
{
$cacheFile = $this->getCacheFile($key);
return $this->fileManager->getPhpSafeContents($cacheFile);
}
/**
* Store in cache.
*
* @param array<int|string, mixed>|stdClass $data
*/
public function store(string $key, $data): void
{
/** @phpstan-var mixed $data */
if (!$this->checkDataIsValid($data)) {
throw new InvalidArgumentException("Bad cache data type.");
}
$cacheFile = $this->getCacheFile($key);
$result = $this->fileManager->putPhpContents($cacheFile, $data, true, true);
if ($result === false) {
throw new RuntimeException("Could not store '$key'.");
}
}
/**
* Removes in cache.
*/
public function clear(string $key): void
{
$cacheFile = $this->getCacheFile($key);
$this->fileManager->removeFile($cacheFile);
}
/**
* @param mixed $data
* @return bool
*/
private function checkDataIsValid($data)
{
$isInvalid =
!is_array($data) &&
!$data instanceof stdClass;
return !$isInvalid;
}
private function getCacheFile(string $key): string
{
if (
$key === '' ||
preg_match('/[^a-zA-Z0-9_\/\-]/i', $key) ||
$key[0] === '/' ||
str_ends_with($key, '/')
) {
throw new InvalidArgumentException("Bad cache key.");
}
return $this->cacheDir . $key . '.php';
}
}