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Editing: CouchbaseBucketAdapter.php

<?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 $bucket;
    private $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();
    }

/**
     * @param array|string $servers
     */
    public static function createConnection($servers, array $options = []): \CouchbaseBucket
    {
        if (\is_string($servers)) {
            $servers = [$servers];
        } elseif (!\is_array($servers)) {
            throw new \TypeError(sprintf('Argument 1 passed to "%s()" must be array or string, "%s" given.', __METHOD__, get_debug_type($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 $dsn) {
                if (0 !== strpos($dsn, 'couchbase:')) {
                    throw new InvalidArgumentException(sprintf('Invalid Couchbase DSN: "%s" does not start with "couchbase:".', $dsn));
                }

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['username'] ?? '';
        $options['password'] = $options['password'] ?? '';
        $options['operationTimeout'] = $options['operationTimeout'] ?? 0;
        $options['configTimeout'] = $options['configTimeout'] ?? 0;
        $options['configNodeTimeout'] = $options['configNodeTimeout'] ?? 0;
        $options['n1qlTimeout'] = $options['n1qlTimeout'] ?? 0;
        $options['httpTimeout'] = $options['httpTimeout'] ?? 0;
        $options['configDelay'] = $options['configDelay'] ?? 0;
        $options['htconfigIdleTimeout'] = $options['htconfigIdleTimeout'] ?? 0;
        $options['durabilityInterval'] = $options['durabilityInterval'] ?? 0;
        $options['durabilityTimeout'] = $options['durabilityTimeout'] ?? 0;

return $options;
    }

/**
     * {@inheritdoc}
     */
    protected function doFetch(array $ids)
    {
        $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;
    }

/**
     * {@inheritdoc}
     */
    protected function doHave(string $id): bool
    {
        return false !== $this->bucket->get($id);
    }

/**
     * {@inheritdoc}
     */
    protected function doClear(string $namespace): bool
    {
        if ('' === $namespace) {
            $this->bucket->manager()->flush();

return true;
        }

return false;
    }

/**
     * {@inheritdoc}
     */
    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);
    }

/**
     * {@inheritdoc}
     */
    protected function doSave(array $values, int $lifetime)
    {
        if (!$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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