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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Settings\SetupChecks;
use OC\Memcache\Memcached;
use OCP\ICacheFactory;
use OCP\IConfig;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\SetupCheck\ISetupCheck;
use OCP\SetupCheck\SetupResult;
class MemcacheConfigured implements ISetupCheck {
public function __construct(
private IL10N $l10n,
private IConfig $config,
private IURLGenerator $urlGenerator,
private ICacheFactory $cacheFactory,
) {
}
public function getName(): string {
return $this->l10n->t('Memcache');
}
public function getCategory(): string {
return 'system';
}
public function run(): SetupResult {
$memcacheDistributedClass = $this->config->getSystemValue('memcache.distributed', null);
$memcacheLockingClass = $this->config->getSystemValue('memcache.locking', null);
$memcacheLocalClass = $this->config->getSystemValue('memcache.local', null);
$caches = array_filter([$memcacheDistributedClass,$memcacheLockingClass,$memcacheLocalClass]);
if (in_array(Memcached::class, array_map(fn (string $class) => ltrim($class, '\\'), $caches))) {
// wrong PHP module is installed
if (extension_loaded('memcache') && !extension_loaded('memcached')) {
return SetupResult::warning(
$this->l10n->t('Memcached is configured as distributed cache, but the wrong PHP module ("memcache") is installed. Please install the PHP module "memcached".')
);
}
// required PHP module is missing
if (!extension_loaded('memcached')) {
return SetupResult::warning(
$this->l10n->t('Memcached is configured as distributed cache, but the PHP module "memcached" is not installed. Please install the PHP module "memcached".')
);
}
}
if ($memcacheLocalClass === null) {
return SetupResult::info(
$this->l10n->t('No memory cache has been configured. To enhance performance, please configure a memcache, if available.'),
$this->urlGenerator->linkToDocs('admin-performance')
);
}
if ($this->cacheFactory->isLocalCacheAvailable()) {
$random = bin2hex(random_bytes(64));
$local = $this->cacheFactory->createLocal('setupcheck.local');
try {
$local->set('test', $random);
$local2 = $this->cacheFactory->createLocal('setupcheck.local');
$actual = $local2->get('test');
$local->remove('test');
} catch (\Throwable) {
$actual = null;
}
if ($actual !== $random) {
return SetupResult::error($this->l10n->t('Failed to write and read a value from local cache.'));
}
}
if ($this->cacheFactory->isAvailable()) {
$random = bin2hex(random_bytes(64));
$distributed = $this->cacheFactory->createDistributed('setupcheck');
try {
$distributed->set('test', $random);
$distributed2 = $this->cacheFactory->createDistributed('setupcheck');
$actual = $distributed2->get('test');
$distributed->remove('test');
} catch (\Throwable) {
$actual = null;
}
if ($actual !== $random) {
return SetupResult::error($this->l10n->t('Failed to write and read a value from distributed cache.'));
}
}
return SetupResult::success($this->l10n->t('Configured'));
}
}
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