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Current File : /var/www/pjc/vendor/graham-campbell/flysystem/src/Adapter/Connector/GoogleCloudStorageConnector.php

<?php

declare(strict_types=1);

/*
 * This file is part of Laravel Flysystem.
 *
 * (c) Graham Campbell <hello@gjcampbell.co.uk>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace GrahamCampbell\Flysystem\Adapter\Connector;

use Google\Cloud\Storage\StorageClient;
use GrahamCampbell\Manager\ConnectorInterface;
use Illuminate\Support\Arr;
use InvalidArgumentException;
use Superbalist\Flysystem\GoogleStorage\GoogleStorageAdapter;

/**
 * This is the gcs connector class.
 *
 * @author Graham Campbell <hello@gjcampbell.co.uk>
 * @author Nir Radian <nirradi@gmail.com>
 */
final class GoogleCloudStorageConnector implements ConnectorInterface
{
    /**
     * Establish an adapter connection.
     *
     * @param string[] $config
     *
     * @throws \InvalidArgumentException
     *
     * @return \Superbalist\Flysystem\GoogleStorage\GoogleStorageAdapter
     */
    public function connect(array $config)
    {
        $auth = self::getAuth($config);
        $client = self::getClient($auth);
        $config = self::getConfig($config);

        return self::getAdapter($client, $config);
    }

    /**
     * Get the authentication data.
     *
     * @param string[] $config
     *
     * @throws \InvalidArgumentException
     *
     * @return string[]
     */
    private static function getAuth(array $config)
    {
        if (!array_key_exists('projectId', $config)) {
            throw new InvalidArgumentException('The gcs connector requires project id configuration.');
        }

        $auth = [
            'projectId' => $config['projectId'],
        ];

        if (array_key_exists('keyFile', $config)) {
            $auth['keyFilePath'] = $config['keyFile'];
        }

        return $auth;
    }

    /**
     * Get the gcs client.
     *
     * @param string[] $auth
     *
     * @return \Google\Cloud\Storage\StorageClient
     */
    private static function getClient(array $auth)
    {
        return new StorageClient($auth);
    }

    /**
     * Get the configuration.
     *
     * @param string[] $config
     *
     * @throws \InvalidArgumentException
     *
     * @return array
     */
    private static function getConfig(array $config)
    {
        if (!array_key_exists('bucket', $config)) {
            throw new InvalidArgumentException('The gcs connector requires bucket configuration.');
        }

        return Arr::only($config, ['bucket', 'prefix', 'apiUri']);
    }

    /**
     * Get the gcs adapter.
     *
     * @param \Google\Cloud\Storage\StorageClient $client
     * @param string[]                            $config
     *
     * @return \Superbalist\Flysystem\GoogleStorage\GoogleStorageAdapter
     */
    private static function getAdapter(StorageClient $client, array $config)
    {
        $bucket = $client->bucket($config['bucket']);

        $adapter = new GoogleStorageAdapter($client, $bucket);

        if (array_key_exists('prefix', $config)) {
            $adapter->setPathPrefix($config['prefix']);
        }

        if (array_key_exists('apiUri', $config)) {
            $adapter->setStorageApiUri($config['apiUri']);
        }

        return $adapter;
    }
}

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