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<?php |
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/** |
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* Spiral Framework, SpiralScout LLC. |
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* |
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* @package spiralFramework |
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* @author Anton Titov (Wolfy-J) |
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* @copyright ©2009-2011 |
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*/ |
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namespace Spiral\Storage; |
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use Psr\Http\Message\StreamInterface; |
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use Psr\Http\Message\UploadedFileInterface; |
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use Spiral\Core\Component; |
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use Spiral\Files\FilesInterface; |
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use Spiral\Files\Streams\StreamableInterface; |
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use Spiral\Files\Streams\StreamWrapper; |
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use Spiral\Storage\Exceptions\ServerException; |
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/** |
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* AbstractServer implementation with different naming. |
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*/ |
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abstract class StorageServer extends Component implements ServerInterface |
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{ |
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/** |
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* Default mimetype to be used when nothing else can be applied. |
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*/ |
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const DEFAULT_MIMETYPE = 'application/octet-stream'; |
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/** |
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* @var array |
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*/ |
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protected $options = []; |
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/** |
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* @var FilesInterface |
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*/ |
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protected $files = null; |
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/** |
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* @param FilesInterface $files Required for local filesystem operations. |
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* @param array $options Server specific options. |
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*/ |
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public function __construct(FilesInterface $files, array $options) |
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{ |
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$this->options = $options + $this->options; |
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$this->files = $files; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function allocateFilename(BucketInterface $bucket, $name) |
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{ |
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if (empty($stream = $this->allocateStream($bucket, $name))) { |
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throw new ServerException("Unable to allocate local filename for '{$name}'."); |
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} |
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//Default implementation will use stream to create temporary filename, such filename |
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//can't be used outside php scope |
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return StreamWrapper::getUri($stream); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function copy(BucketInterface $bucket, BucketInterface $destination, $name) |
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{ |
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return $this->put($destination, $name, $this->allocateStream($bucket, $name)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function replace(BucketInterface $bucket, BucketInterface $destination, $name) |
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{ |
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if ($this->copy($bucket, $destination, $name)) { |
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$this->delete($bucket, $name); |
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return true; |
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} |
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throw new ServerException("Unable to copy '{$name}' to new bucket."); |
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} |
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/** |
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* Cast local filename to be used in file based methods and etc. |
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* |
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* @param string|StreamInterface $source |
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* @return string |
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*/ |
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protected function castFilename($source) |
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{ |
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if (empty($source)) { |
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return StreamWrapper::getUri(\GuzzleHttp\Psr7\stream_for('')); |
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} |
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if (is_string($source)) { |
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if (!$this->files->exists($source)) { |
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//This code is going to use additional abstraction layer to connect storage and guzzle |
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return StreamWrapper::getUri(\GuzzleHttp\Psr7\stream_for($source)); |
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} |
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return $source; |
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} |
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if ($source instanceof UploadedFileInterface || $source instanceof StreamableInterface) { |
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$source = $source->getStream(); |
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} |
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if ($source instanceof StreamInterface) { |
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return StreamWrapper::getUri($source); |
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} |
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throw new ServerException("Unable to get filename for non Stream instance."); |
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} |
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/** |
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* Cast stream associated with origin data. |
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* |
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* @param string|StreamInterface $source |
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* @return StreamInterface |
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*/ |
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protected function castStream($source) |
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{ |
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if ($source instanceof UploadedFileInterface || $source instanceof StreamableInterface) { |
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$source = $source->getStream(); |
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} |
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if ($source instanceof StreamInterface) { |
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return $source; |
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} |
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if (empty($source)) { |
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//This code is going to use additional abstraction layer to connect storage and guzzle |
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return \GuzzleHttp\Psr7\stream_for(''); |
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} |
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return \GuzzleHttp\Psr7\stream_for($source); |
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} |
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} |
spiral /
components
