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<?php |
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namespace Gaufrette\Adapter; |
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use Gaufrette\Adapter; |
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use Gaufrette\Util; |
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use Gaufrette\Adapter\AzureBlobStorage\BlobProxyFactoryInterface; |
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use MicrosoftAzure\Storage\Blob\Models\Blob; |
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use MicrosoftAzure\Storage\Blob\Models\Container; |
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use MicrosoftAzure\Storage\Blob\Models\CreateBlobOptions; |
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use MicrosoftAzure\Storage\Blob\Models\CreateContainerOptions; |
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use MicrosoftAzure\Storage\Blob\Models\DeleteContainerOptions; |
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use MicrosoftAzure\Storage\Blob\Models\ListBlobsOptions; |
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use MicrosoftAzure\Storage\Common\Exceptions\ServiceException; |
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/** |
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* Microsoft Azure Blob Storage adapter. |
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* |
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* @author Luciano Mammino <[email protected]> |
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* @author Paweł Czyżewski <[email protected]> |
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*/ |
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class AzureBlobStorage implements Adapter, |
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MetadataSupporter, |
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SizeCalculator |
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{ |
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/** |
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* Error constants. |
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*/ |
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const ERROR_CONTAINER_ALREADY_EXISTS = 'ContainerAlreadyExists'; |
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const ERROR_CONTAINER_NOT_FOUND = 'ContainerNotFound'; |
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/** |
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* @var AzureBlobStorage\BlobProxyFactoryInterface |
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*/ |
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protected $blobProxyFactory; |
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/** |
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* @var string |
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*/ |
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protected $containerName; |
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/** |
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* @var bool |
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*/ |
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protected $detectContentType; |
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/** |
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* @var \MicrosoftAzure\Storage\Blob\Internal\IBlob |
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*/ |
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protected $blobProxy; |
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/** |
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* @var bool |
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*/ |
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protected $multiContainerMode = false; |
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/** |
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* @var CreateContainerOptions |
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*/ |
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protected $createContainerOptions; |
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/** |
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* @param AzureBlobStorage\BlobProxyFactoryInterface $blobProxyFactory |
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* @param string|null $containerName |
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* @param bool $create |
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* @param bool $detectContentType |
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* |
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* @throws \RuntimeException |
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*/ |
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public function __construct(BlobProxyFactoryInterface $blobProxyFactory, $containerName = null, $create = false, $detectContentType = true) |
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{ |
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$this->blobProxyFactory = $blobProxyFactory; |
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$this->containerName = $containerName; |
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$this->detectContentType = $detectContentType; |
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if (null === $containerName) { |
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$this->multiContainerMode = true; |
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} elseif ($create) { |
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$this->createContainer($containerName); |
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} |
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} |
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/** |
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* @return CreateContainerOptions |
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*/ |
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public function getCreateContainerOptions() |
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{ |
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return $this->createContainerOptions; |
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} |
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/** |
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* @param CreateContainerOptions $options |
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*/ |
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public function setCreateContainerOptions(CreateContainerOptions $options) |
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{ |
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$this->createContainerOptions = $options; |
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} |
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/** |
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* Creates a new container. |
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* |
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* @param string $containerName |
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* @param \MicrosoftAzure\Storage\Blob\Models\CreateContainerOptions $options |
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* |
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* @throws \RuntimeException if cannot create the container |
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*/ |
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View Code Duplication |
public function createContainer($containerName, CreateContainerOptions $options = null) |
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{ |
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$this->init(); |
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if (null === $options) { |
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$options = $this->getCreateContainerOptions(); |
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} |
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try { |
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$this->blobProxy->createContainer($containerName, $options); |
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} catch (ServiceException $e) { |
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$errorCode = $this->getErrorCodeFromServiceException($e); |
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if ($errorCode !== self::ERROR_CONTAINER_ALREADY_EXISTS) { |
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throw new \RuntimeException(sprintf( |
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'Failed to create the configured container "%s": %s (%s).', |
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$containerName, |
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$e->getErrorText(), |
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$errorCode |
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)); |
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} |
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} |
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} |
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/** |
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* Deletes a container. |
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* |
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* @param string $containerName |
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* @param DeleteContainerOptions $options |
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* |
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* @throws \RuntimeException if cannot delete the container |
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*/ |
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View Code Duplication |
public function deleteContainer($containerName, DeleteContainerOptions $options = null) |
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{ |
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$this->init(); |
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try { |
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$this->blobProxy->deleteContainer($containerName, $options); |
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} catch (ServiceException $e) { |
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$errorCode = $this->getErrorCodeFromServiceException($e); |
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if ($errorCode !== self::ERROR_CONTAINER_NOT_FOUND) { |
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throw new \RuntimeException(sprintf( |
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'Failed to delete the configured container "%s": %s (%s).', |
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$containerName, |
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$e->getErrorText(), |
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$errorCode |
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), $e->getCode()); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function read($key) |
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{ |
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$this->init(); |
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list($containerName, $key) = $this->tokenizeKey($key); |
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try { |
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$blob = $this->blobProxy->getBlob($containerName, $key); |
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return stream_get_contents($blob->getContentStream()); |
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} catch (ServiceException $e) { |
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$this->failIfContainerNotFound($e, sprintf('read key "%s"', $key), $containerName); |
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return false; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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* @throws \InvalidArgumentException |
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*/ |
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public function write($key, $content) |
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{ |
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$this->init(); |
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list($containerName, $key) = $this->tokenizeKey($key); |
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$options = new CreateBlobOptions(); |
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if ($this->detectContentType) { |
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$contentType = $this->guessContentType($content); |
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$options->setContentType($contentType); |
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} |
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try { |
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if ($this->multiContainerMode) { |
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$this->createContainer($containerName); |
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} |
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$this->blobProxy->createBlockBlob($containerName, $key, $content, $options); |
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} catch (ServiceException $e) { |
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$this->failIfContainerNotFound($e, sprintf('write content for key "%s"', $key), $containerName); |
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return false; |
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} |
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if (is_resource($content)) { |
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return Util\Size::fromResource($content); |
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} |
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return Util\Size::fromContent($content); |
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} |
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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* @throws \InvalidArgumentException |
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*/ |
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public function exists($key) |
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{ |
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$this->init(); |
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list($containerName, $key) = $this->tokenizeKey($key); |
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$listBlobsOptions = new ListBlobsOptions(); |
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$listBlobsOptions->setPrefix($key); |
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try { |
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$blobsList = $this->blobProxy->listBlobs($containerName, $listBlobsOptions); |
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foreach ($blobsList->getBlobs() as $blob) { |
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if ($key === $blob->getName()) { |
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return true; |
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} |
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} |
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} catch (ServiceException $e) { |
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$errorCode = $this->getErrorCodeFromServiceException($e); |
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if ($this->multiContainerMode && self::ERROR_CONTAINER_NOT_FOUND === $errorCode) { |
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return false; |
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} |
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$this->failIfContainerNotFound($e, 'check if key exists', $containerName); |
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throw new \RuntimeException(sprintf( |
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'Failed to check if key "%s" exists in container "%s": %s (%s).', |
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$key, |
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$containerName, |
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$e->getErrorText(), |
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$errorCode |
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), $e->getCode()); |
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} |
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return false; |
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} |
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256
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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*/ |
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public function keys() |
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{ |
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$this->init(); |
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try { |
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if ($this->multiContainerMode) { |
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$containersList = $this->blobProxy->listContainers(); |
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return call_user_func_array('array_merge', array_map( |
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function(Container $container) { |
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$containerName = $container->getName(); |
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return $this->fetchBlobs($containerName, $containerName); |
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}, |
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$containersList->getContainers() |
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)); |
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} |
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return $this->fetchBlobs($this->containerName); |
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} catch (ServiceException $e) { |
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$this->failIfContainerNotFound($e, 'retrieve keys', $this->containerName); |
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$errorCode = $this->getErrorCodeFromServiceException($e); |
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throw new \RuntimeException(sprintf( |
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'Failed to list keys for the container "%s": %s (%s).', |
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$this->containerName, |
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$e->getErrorText(), |
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$errorCode |
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), $e->getCode()); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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* @throws \RuntimeException |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function mtime($key) |
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{ |
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$this->init(); |
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list($containerName, $key) = $this->tokenizeKey($key); |
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try { |
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$properties = $this->blobProxy->getBlobProperties($containerName, $key); |
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return $properties->getProperties()->getLastModified()->getTimestamp(); |
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} catch (ServiceException $e) { |
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$this->failIfContainerNotFound($e, sprintf('read mtime for key "%s"', $key), $containerName); |
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return false; |
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} |
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} |
310
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311
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/** |
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* {@inheritdoc} |
313
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*/ |
314
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public function size($key) |
315
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{ |
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$this->init(); |
317
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list($containerName, $key) = $this->tokenizeKey($key); |
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319
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try { |
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$properties = $this->blobProxy->getBlobProperties($containerName, $key); |
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return $properties->getProperties()->getContentLength(); |
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} catch (ServiceException $e) { |
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$this->failIfContainerNotFound($e, sprintf('read content length for key "%s"', $key), $containerName); |
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return false; |
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} |
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329
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} |
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/** |
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* {@inheritdoc} |
333
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* @throws \RuntimeException |
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* @throws \InvalidArgumentException |
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*/ |
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View Code Duplication |
public function delete($key) |
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337
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{ |
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$this->init(); |
339
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list($containerName, $key) = $this->tokenizeKey($key); |
340
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341
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try { |
342
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$this->blobProxy->deleteBlob($containerName, $key); |
343
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344
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return true; |
345
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} catch (ServiceException $e) { |
346
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$this->failIfContainerNotFound($e, sprintf('delete key "%s"', $key), $containerName); |
347
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348
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return false; |
349
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} |
350
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} |
351
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352
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/** |
353
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* {@inheritdoc} |
354
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* @throws \RuntimeException |
355
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* @throws \InvalidArgumentException |
356
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*/ |
357
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public function rename($sourceKey, $targetKey) |
358
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{ |
359
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$this->init(); |
360
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361
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list($sourceContainerName, $sourceKey) = $this->tokenizeKey($sourceKey); |
362
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list($targetContainerName, $targetKey) = $this->tokenizeKey($targetKey); |
363
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364
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try { |
365
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if ($this->multiContainerMode) { |
366
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$this->createContainer($targetContainerName); |
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} |
368
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$this->blobProxy->copyBlob($targetContainerName, $targetKey, $sourceContainerName, $sourceKey); |
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$this->blobProxy->deleteBlob($sourceContainerName, $sourceKey); |
370
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371
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return true; |
372
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} catch (ServiceException $e) { |
373
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$this->failIfContainerNotFound($e, sprintf('rename key "%s"', $sourceKey), $sourceContainerName); |
374
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375
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return false; |
376
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} |
377
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} |
378
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|
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|
379
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/** |
380
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* {@inheritdoc} |
381
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|
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*/ |
382
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|
|
public function isDirectory($key) |
383
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|
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{ |
384
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|
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// Windows Azure Blob Storage does not support directories |
385
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return false; |
386
|
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} |
387
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|
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|
388
|
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/** |
389
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* {@inheritdoc} |
390
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* @throws \RuntimeException |
391
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|
* @throws \InvalidArgumentException |
392
|
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|
*/ |
393
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|
View Code Duplication |
public function setMetadata($key, $content) |
|
|
|
|
394
|
|
|
{ |
395
|
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|
$this->init(); |
396
|
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|
list($containerName, $key) = $this->tokenizeKey($key); |
397
|
|
|
|
398
|
|
|
try { |
399
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|
$this->blobProxy->setBlobMetadata($containerName, $key, $content); |
400
|
|
|
} catch (ServiceException $e) { |
401
|
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|
$errorCode = $this->getErrorCodeFromServiceException($e); |
402
|
|
|
|
403
|
|
|
throw new \RuntimeException(sprintf( |
404
|
|
|
'Failed to set metadata for blob "%s" in container "%s": %s (%s).', |
405
|
|
|
$key, |
406
|
|
|
$containerName, |
407
|
|
|
$e->getErrorText(), |
408
|
|
|
$errorCode |
409
|
|
|
), $e->getCode()); |
410
|
|
|
} |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
/** |
414
|
|
|
* {@inheritdoc} |
415
|
|
|
* @throws \RuntimeException |
416
|
|
|
* @throws \InvalidArgumentException |
417
|
|
|
*/ |
418
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|
View Code Duplication |
public function getMetadata($key) |
|
|
|
|
419
|
|
|
{ |
420
|
|
|
$this->init(); |
421
|
|
|
list($containerName, $key) = $this->tokenizeKey($key); |
422
|
|
|
|
423
|
|
|
try { |
424
|
|
|
$properties = $this->blobProxy->getBlobProperties($containerName, $key); |
425
|
|
|
|
426
|
|
|
return $properties->getMetadata(); |
427
|
|
|
} catch (ServiceException $e) { |
428
|
|
|
$errorCode = $this->getErrorCodeFromServiceException($e); |
429
|
|
|
|
430
|
|
|
throw new \RuntimeException(sprintf( |
431
|
|
|
'Failed to get metadata for blob "%s" in container "%s": %s (%s).', |
432
|
|
|
$key, |
433
|
|
|
$containerName, |
434
|
|
|
$e->getErrorText(), |
435
|
|
|
$errorCode |
436
|
|
|
), $e->getCode()); |
437
|
|
|
} |
438
|
|
|
} |
439
|
|
|
|
440
|
|
|
/** |
441
|
|
|
* Lazy initialization, automatically called when some method is called after construction. |
442
|
|
|
*/ |
443
|
|
|
protected function init() |
444
|
|
|
{ |
445
|
|
|
if ($this->blobProxy === null) { |
446
|
|
|
$this->blobProxy = $this->blobProxyFactory->create(); |
447
|
|
|
} |
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
/** |
451
|
|
|
* Throws a runtime exception if a give ServiceException derived from a "container not found" error. |
452
|
|
|
* |
453
|
|
|
* @param ServiceException $exception |
454
|
|
|
* @param string $action |
455
|
|
|
* @param string $containerName |
456
|
|
|
* |
457
|
|
|
* @throws \RuntimeException |
458
|
|
|
*/ |
459
|
|
|
protected function failIfContainerNotFound(ServiceException $exception, $action, $containerName) |
460
|
|
|
{ |
461
|
|
|
$errorCode = $this->getErrorCodeFromServiceException($exception); |
462
|
|
|
|
463
|
|
|
if ($errorCode === self::ERROR_CONTAINER_NOT_FOUND) { |
464
|
|
|
throw new \RuntimeException(sprintf( |
465
|
|
|
'Failed to %s: container "%s" not found.', |
466
|
|
|
$action, |
467
|
|
|
$containerName |
468
|
|
|
), $exception->getCode()); |
469
|
|
|
} |
470
|
|
|
} |
471
|
|
|
|
472
|
|
|
/** |
473
|
|
|
* Extracts the error code from a service exception. |
474
|
|
|
* |
475
|
|
|
* @param ServiceException $exception |
476
|
|
|
* |
477
|
|
|
* @return string |
478
|
|
|
*/ |
479
|
|
|
protected function getErrorCodeFromServiceException(ServiceException $exception) |
480
|
|
|
{ |
481
|
|
|
$xml = @simplexml_load_string($exception->getResponse()->getBody()); |
482
|
|
|
|
483
|
|
|
if ($xml && isset($xml->Code)) { |
484
|
|
|
return (string) $xml->Code; |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
return $exception->getErrorText(); |
488
|
|
|
} |
489
|
|
|
|
490
|
|
|
/** |
491
|
|
|
* @param string|resource $content |
492
|
|
|
* |
493
|
|
|
* @return string |
494
|
|
|
*/ |
495
|
|
View Code Duplication |
private function guessContentType($content) |
|
|
|
|
496
|
|
|
{ |
497
|
|
|
$fileInfo = new \finfo(FILEINFO_MIME_TYPE); |
498
|
|
|
|
499
|
|
|
if (is_resource($content)) { |
500
|
|
|
return $fileInfo->file(stream_get_meta_data($content)['uri']); |
501
|
|
|
} |
502
|
|
|
|
503
|
|
|
return $fileInfo->buffer($content); |
504
|
|
|
} |
505
|
|
|
|
506
|
|
|
/** |
507
|
|
|
* @param string $key |
508
|
|
|
* |
509
|
|
|
* @return array |
510
|
|
|
* @throws \InvalidArgumentException |
511
|
|
|
*/ |
512
|
|
|
private function tokenizeKey($key) |
513
|
|
|
{ |
514
|
|
|
$containerName = $this->containerName; |
515
|
|
|
if (false === $this->multiContainerMode) { |
516
|
|
|
return [$containerName, $key]; |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
if (false === ($index = strpos($key, '/'))) { |
520
|
|
|
throw new \InvalidArgumentException(sprintf( |
521
|
|
|
'Failed to establish container name from key "%s", container name is required in multi-container mode', |
522
|
|
|
$key |
523
|
|
|
)); |
524
|
|
|
} |
525
|
|
|
$containerName = substr($key, 0, $index); |
526
|
|
|
$key = substr($key, $index + 1); |
527
|
|
|
|
528
|
|
|
return [$containerName, $key]; |
529
|
|
|
} |
530
|
|
|
|
531
|
|
|
/** |
532
|
|
|
* @param string $containerName |
533
|
|
|
* @param null $prefix |
534
|
|
|
* |
535
|
|
|
* @return array |
536
|
|
|
*/ |
537
|
|
|
private function fetchBlobs($containerName, $prefix = null) |
538
|
|
|
{ |
539
|
|
|
$blobList = $this->blobProxy->listBlobs($containerName); |
540
|
|
|
return array_map( |
541
|
|
|
function (Blob $blob) use ($prefix) { |
542
|
|
|
$name = $blob->getName(); |
543
|
|
|
if (null !== $prefix) { |
544
|
|
|
$name = $prefix .'/'. $name; |
545
|
|
|
} |
546
|
|
|
return $name; |
547
|
|
|
}, |
548
|
|
|
$blobList->getBlobs() |
549
|
|
|
); |
550
|
|
|
} |
551
|
|
|
} |
552
|
|
|
|