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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Cache\Adapter;
use Symfony\Component\Cache\Exception\CacheException;
use Symfony\Component\Cache\Exception\InvalidArgumentException;
use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
use Symfony\Component\Cache\Marshaller\MarshallerInterface;
/**
* @author Antonio Jose Cerezo Aranda <aj.cerezo@gmail.com>
*/
class CouchbaseBucketAdapter extends AbstractAdapter
{
private const THIRTY_DAYS_IN_SECONDS = 2592000;
private const MAX_KEY_LENGTH = 250;
private const KEY_NOT_FOUND = 13;
private const VALID_DSN_OPTIONS = [
'operationTimeout',
'configTimeout',
'configNodeTimeout',
'n1qlTimeout',
'httpTimeout',
'configDelay',
'htconfigIdleTimeout',
'durabilityInterval',
'durabilityTimeout',
];
private \CouchbaseBucket $bucket;
private MarshallerInterface $marshaller;
public function __construct(\CouchbaseBucket $bucket, string $namespace = '', int $defaultLifetime = 0, MarshallerInterface $marshaller = null)
{
if (!static::isSupported()) {
throw new CacheException('Couchbase >= 2.6.0 < 3.0.0 is required.');
}
$this->maxIdLength = static::MAX_KEY_LENGTH;
$this->bucket = $bucket;
parent::__construct($namespace, $defaultLifetime);
$this->enableVersioning();
$this->marshaller = $marshaller ?? new DefaultMarshaller();
}
public static function createConnection(#[\SensitiveParameter] array|string $servers, array $options = []): \CouchbaseBucket
{
if (\is_string($servers)) {
$servers = [$servers];
}
if (!static::isSupported()) {
throw new CacheException('Couchbase >= 2.6.0 < 3.0.0 is required.');
}
set_error_handler(function ($type, $msg, $file, $line) { throw new \ErrorException($msg, 0, $type, $file, $line); });
$dsnPattern = '/^(?<protocol>couchbase(?:s)?)\:\/\/(?:(?<username>[^\:]+)\:(?<password>[^\@]{6,})@)?'
.'(?<host>[^\:]+(?:\:\d+)?)(?:\/(?<bucketName>[^\?]+))(?:\?(?<options>.*))?$/i';
$newServers = [];
$protocol = 'couchbase';
try {
$options = self::initOptions($options);
$username = $options['username'];
$password = $options['password'];
foreach ($servers as $dsn) {
if (!str_starts_with($dsn, 'couchbase:')) {
throw new InvalidArgumentException('Invalid Couchbase DSN: it does not start with "couchbase:".');
}
preg_match($dsnPattern, $dsn, $matches);
$username = $matches['username'] ?: $username;
$password = $matches['password'] ?: $password;
$protocol = $matches['protocol'] ?: $protocol;
if (isset($matches['options'])) {
$optionsInDsn = self::getOptions($matches['options']);
foreach ($optionsInDsn as $parameter => $value) {
$options[$parameter] = $value;
}
}
$newServers[] = $matches['host'];
}
$connectionString = $protocol.'://'.implode(',', $newServers);
$client = new \CouchbaseCluster($connectionString);
$client->authenticateAs($username, $password);
$bucket = $client->openBucket($matches['bucketName']);
unset($options['username'], $options['password']);
foreach ($options as $option => $value) {
if (!empty($value)) {
$bucket->$option = $value;
}
}
return $bucket;
} finally {
restore_error_handler();
}
}
public static function isSupported(): bool
{
return \extension_loaded('couchbase') && version_compare(phpversion('couchbase'), '2.6.0', '>=') && version_compare(phpversion('couchbase'), '3.0', '<');
}
private static function getOptions(string $options): array
{
$results = [];
$optionsInArray = explode('&', $options);
foreach ($optionsInArray as $option) {
[$key, $value] = explode('=', $option);
if (\in_array($key, static::VALID_DSN_OPTIONS, true)) {
$results[$key] = $value;
}
}
return $results;
}
private static function initOptions(array $options): array
{
$options['username'] ??= '';
$options['password'] ??= '';
$options['operationTimeout'] ??= 0;
$options['configTimeout'] ??= 0;
$options['configNodeTimeout'] ??= 0;
$options['n1qlTimeout'] ??= 0;
$options['httpTimeout'] ??= 0;
$options['configDelay'] ??= 0;
$options['htconfigIdleTimeout'] ??= 0;
$options['durabilityInterval'] ??= 0;
$options['durabilityTimeout'] ??= 0;
return $options;
}
protected function doFetch(array $ids): iterable
{
$resultsCouchbase = $this->bucket->get($ids);
$results = [];
foreach ($resultsCouchbase as $key => $value) {
if (null !== $value->error) {
continue;
}
$results[$key] = $this->marshaller->unmarshall($value->value);
}
return $results;
}
protected function doHave(string $id): bool
{
return false !== $this->bucket->get($id);
}
protected function doClear(string $namespace): bool
{
if ('' === $namespace) {
$this->bucket->manager()->flush();
return true;
}
return false;
}
protected function doDelete(array $ids): bool
{
$results = $this->bucket->remove(array_values($ids));
foreach ($results as $key => $result) {
if (null !== $result->error && static::KEY_NOT_FOUND !== $result->error->getCode()) {
continue;
}
unset($results[$key]);
}
return 0 === \count($results);
}
protected function doSave(array $values, int $lifetime): array|bool
{
if (!$values = $this->marshaller->marshall($values, $failed)) {
return $failed;
}
$lifetime = $this->normalizeExpiry($lifetime);
$ko = [];
foreach ($values as $key => $value) {
$result = $this->bucket->upsert($key, $value, ['expiry' => $lifetime]);
if (null !== $result->error) {
$ko[$key] = $result;
}
}
return [] === $ko ? true : $ko;
}
private function normalizeExpiry(int $expiry): int
{
if ($expiry && $expiry > static::THIRTY_DAYS_IN_SECONDS) {
$expiry += time();
}
return $expiry;
}
}
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