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<?php |
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namespace phpbu\App\Backup\Sync; |
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use phpbu\App\Result; |
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use phpbu\App\Backup\Target; |
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use phpbu\App\Util; |
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/** |
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* Amazon S3 Sync base class |
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* |
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* @package phpbu |
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* @subpackage Backup |
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* @author Sebastian Feldmann <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link http://phpbu.de/ |
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* @since Class available since Release 3.0.0 |
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*/ |
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abstract class AmazonS3 implements Simulator |
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{ |
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/** |
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* AWS key |
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* |
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* @var string |
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*/ |
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protected $key; |
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/** |
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* AWS secret |
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* |
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* @var string |
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*/ |
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protected $secret; |
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/** |
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* AWS S3 bucket |
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* |
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* @var string |
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*/ |
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protected $bucket; |
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/** |
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* TTL for all items in this bucket. |
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* |
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* @var int |
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*/ |
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protected $bucketTTL; |
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/** |
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* AWS S3 region |
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* |
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* @var string |
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*/ |
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protected $region; |
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/** |
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* AWS remote path / object key |
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* |
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* @var string |
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*/ |
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protected $path; |
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/** |
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* AWS remote raw path / object key |
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* |
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* @var string |
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*/ |
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protected $pathRaw; |
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/** |
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* AWS acl |
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* 'private' by default |
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* |
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* @var string |
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*/ |
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protected $acl; |
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/** |
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* Use multi part config |
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* |
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* @var boolean |
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*/ |
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protected $multiPartUpload; |
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/** |
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* Min multi part upload size |
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* |
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* @var int |
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*/ |
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protected $minMultiPartUploadSize = 5242880; |
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/** |
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* Max stream upload size |
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* |
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* @var int |
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*/ |
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protected $maxStreamUploadSize = 104857600; |
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/** |
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* Configure the sync. |
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* |
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* @see \phpbu\App\Backup\Sync::setup() |
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* @param array $config |
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* @throws \phpbu\App\Backup\Sync\Exception |
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*/ |
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public function setup(array $config) |
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{ |
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if (!class_exists('\\Aws\\S3\\S3Client')) { |
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throw new Exception('Amazon SDK not loaded: use composer to install "aws/aws-sdk-php"'); |
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} |
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// check for mandatory options |
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$this->validateConfig($config, ['key', 'secret', 'bucket', 'region', 'path']); |
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$this->time = time(); |
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$this->key = $config['key']; |
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$this->secret = $config['secret']; |
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$this->bucket = $config['bucket']; |
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$this->bucketTTL = Util\Arr::getValue($config, 'bucketTTL'); |
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$this->region = $config['region']; |
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$this->path = Util\Path::withTrailingSlash(Util\Path::replaceDatePlaceholders($config['path'], $this->time)); |
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$this->pathRaw = $config['path']; |
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$this->acl = Util\Arr::getValue($config, 'acl', 'private'); |
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$this->multiPartUpload = Util\Str::toBoolean(Util\Arr::getValue($config, 'useMultiPartUpload'), false); |
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} |
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/** |
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* Make sure all mandatory keys are present in given config. |
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* |
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* @param array $config |
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* @param string[] $keys |
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* @throws Exception |
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*/ |
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protected function validateConfig(array $config, array $keys) |
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{ |
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foreach ($keys as $option) { |
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if (!Util\Arr::isSetAndNotEmptyString($config, $option)) { |
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throw new Exception($option . ' is mandatory'); |
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} |
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} |
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} |
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/** |
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* Simulate the sync execution. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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*/ |
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1 |
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public function simulate(Target $target, Result $result) |
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{ |
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1 |
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$result->debug( |
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'sync backup to Amazon S3' . PHP_EOL |
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. ' region: ' . $this->region . PHP_EOL |
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. ' key: ' . $this->key . PHP_EOL |
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. ' secret: ********' . PHP_EOL |
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. ' location: ' . $this->bucket |
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); |
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} |
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/** |
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* Should multi part upload be used. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @return bool |
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* @throws \phpbu\App\Exception |
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*/ |
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protected function useMultiPartUpload(Target $target) |
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{ |
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// files bigger 5GB have to be uploaded via multi part |
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// files uploaded with multi part upload has to be at least 5MB |
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return ( |
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$target->getSize() > $this->maxStreamUploadSize || $this->multiPartUpload |
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) && $target->getSize() > $this->minMultiPartUploadSize; |
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} |
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} |
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sebastianfeldmann /
phpbu
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: