/lib/Zend/Cloud/StorageService/Adapter/S3.php
https://github.com/basdog22/Qool · PHP · 332 lines · 157 code · 26 blank · 149 comment · 14 complexity · c176c801f160cc1486a6120e22a8517a MD5 · raw file
- <?php
- /**
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * If you did not receive a copy of the license and are unable to
- * obtain it through the world-wide-web, please send an email
- * to license@zend.com so we can send you a copy immediately.
- *
- * @category Zend
- * @package Zend_Cloud
- * @subpackage StorageService
- * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
-
- require_once 'Zend/Service/Amazon/S3.php';
- require_once 'Zend/Cloud/StorageService/Adapter.php';
- require_once 'Zend/Cloud/StorageService/Exception.php';
-
- /**
- * S3 adapter for unstructured cloud storage.
- *
- * @category Zend
- * @package Zend_Cloud
- * @subpackage StorageService
- * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Cloud_StorageService_Adapter_S3
- implements Zend_Cloud_StorageService_Adapter
- {
- /*
- * Options array keys for the S3 adapter.
- */
- const BUCKET_NAME = 'bucket_name';
- const BUCKET_AS_DOMAIN = 'bucket_as_domain?';
- const FETCH_STREAM = 'fetch_stream';
- const METADATA = 'metadata';
-
- /**
- * AWS constants
- */
- const AWS_ACCESS_KEY = 'aws_accesskey';
- const AWS_SECRET_KEY = 'aws_secretkey';
-
- /**
- * S3 service instance.
- * @var Zend_Service_Amazon_S3
- */
- protected $_s3;
- protected $_defaultBucketName = null;
- protected $_defaultBucketAsDomain = false;
-
- /**
- * Constructor
- *
- * @param array|Zend_Config $options
- * @return void
- */
- public function __construct($options = array())
- {
- if ($options instanceof Zend_Config) {
- $options = $options->toArray();
- }
-
- if (!is_array($options)) {
- throw new Zend_Cloud_StorageService_Exception('Invalid options provided');
- }
-
- if (!isset($options[self::AWS_ACCESS_KEY]) || !isset($options[self::AWS_SECRET_KEY])) {
- throw new Zend_Cloud_StorageService_Exception('AWS keys not specified!');
- }
-
- try {
- $this->_s3 = new Zend_Service_Amazon_S3($options[self::AWS_ACCESS_KEY],
- $options[self::AWS_SECRET_KEY]);
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on create: '.$e->getMessage(), $e->getCode(), $e);
- }
-
- if (isset($options[self::HTTP_ADAPTER])) {
- $this->_s3->getHttpClient()->setAdapter($options[self::HTTP_ADAPTER]);
- }
-
- if (isset($options[self::BUCKET_NAME])) {
- $this->_defaultBucketName = $options[self::BUCKET_NAME];
- }
-
- if (isset($options[self::BUCKET_AS_DOMAIN])) {
- $this->_defaultBucketAsDomain = $options[self::BUCKET_AS_DOMAIN];
- }
- }
-
- /**
- * Get an item from the storage service.
- *
- * @TODO Support streams
- *
- * @param string $path
- * @param array $options
- * @return string
- */
- public function fetchItem($path, $options = array())
- {
- $fullPath = $this->_getFullPath($path, $options);
- try {
- if (!empty($options[self::FETCH_STREAM])) {
- return $this->_s3->getObjectStream($fullPath, $options[self::FETCH_STREAM]);
- } else {
- return $this->_s3->getObject($fullPath);
- }
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on fetch: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Store an item in the storage service.
- *
- * WARNING: This operation overwrites any item that is located at
- * $destinationPath.
- *
- * @TODO Support streams
- *
- * @param string $destinationPath
- * @param string|resource $data
- * @param array $options
- * @return void
- */
- public function storeItem($destinationPath, $data, $options = array())
- {
- try {
- $fullPath = $this->_getFullPath($destinationPath, $options);
- return $this->_s3->putObject(
- $fullPath,
- $data,
- empty($options[self::METADATA]) ? null : $options[self::METADATA]
- );
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on store: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Delete an item in the storage service.
- *
- * @param string $path
- * @param array $options
- * @return void
- */
- public function deleteItem($path, $options = array())
- {
- try {
- $this->_s3->removeObject($this->_getFullPath($path, $options));
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on delete: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Copy an item in the storage service to a given path.
- *
- * WARNING: This operation is *very* expensive for services that do not
- * support copying an item natively.
- *
- * @TODO Support streams for those services that don't support natively
- *
- * @param string $sourcePath
- * @param string $destination path
- * @param array $options
- * @return void
- */
- public function copyItem($sourcePath, $destinationPath, $options = array())
- {
- try {
- $fullSourcePath = $this->_getFullPath($sourcePath, $options);
- $fullDestPath = $this->_getFullPath($destinationPath, $options);
- return $this->_s3->copyObject(
- $fullSourcePath,
- $fullDestPath,
- empty($options[self::METADATA]) ? null : $options[self::METADATA]
- );
-
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on copy: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Move an item in the storage service to a given path.
- *
- * @TODO Support streams for those services that don't support natively
- *
- * @param string $sourcePath
- * @param string $destination path
- * @param array $options
- * @return void
- */
- public function moveItem($sourcePath, $destinationPath, $options = array())
- {
- try {
- $fullSourcePath = $this->_getFullPath($sourcePath, $options);
- $fullDestPath = $this->_getFullPath($destinationPath, $options);
- return $this->_s3->moveObject(
- $fullSourcePath,
- $fullDestPath,
- empty($options[self::METADATA]) ? null : $options[self::METADATA]
- );
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on move: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Rename an item in the storage service to a given name.
- *
- *
- * @param string $path
- * @param string $name
- * @param array $options
- * @return void
- */
- public function renameItem($path, $name, $options = null)
- {
- require_once 'Zend/Cloud/OperationNotAvailableException.php';
- throw new Zend_Cloud_OperationNotAvailableException('Rename not implemented');
- }
-
- /**
- * List items in the given directory in the storage service
- *
- * The $path must be a directory
- *
- *
- * @param string $path Must be a directory
- * @param array $options
- * @return array A list of item names
- */
- public function listItems($path, $options = null)
- {
- try {
- // TODO Support 'prefix' parameter for Zend_Service_Amazon_S3::getObjectsByBucket()
- return $this->_s3->getObjectsByBucket($this->_defaultBucketName);
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on list: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Get a key/value array of metadata for the given path.
- *
- * @param string $path
- * @param array $options
- * @return array
- */
- public function fetchMetadata($path, $options = array())
- {
- try {
- return $this->_s3->getInfo($this->_getFullPath($path, $options));
- } catch (Zend_Service_Amazon_S3_Exception $e) {
- throw new Zend_Cloud_StorageService_Exception('Error on fetch: '.$e->getMessage(), $e->getCode(), $e);
- }
- }
-
- /**
- * Store a key/value array of metadata at the given path.
- * WARNING: This operation overwrites any metadata that is located at
- * $destinationPath.
- *
- * @param string $destinationPath
- * @param array $options
- * @return void
- */
- public function storeMetadata($destinationPath, $metadata, $options = array())
- {
- require_once 'Zend/Cloud/OperationNotAvailableException.php';
- throw new Zend_Cloud_OperationNotAvailableException('Storing separate metadata is not supported, use storeItem() with \'metadata\' option key');
- }
-
- /**
- * Delete a key/value array of metadata at the given path.
- *
- * @param string $path
- * @param array $options
- * @return void
- */
- public function deleteMetadata($path)
- {
- require_once 'Zend/Cloud/OperationNotAvailableException.php';
- throw new Zend_Cloud_OperationNotAvailableException('Deleting metadata not supported');
- }
-
- /**
- * Get full path, including bucket, for an object
- *
- * @param string $path
- * @param array $options
- * @return void
- */
- protected function _getFullPath($path, $options)
- {
- if (isset($options[self::BUCKET_NAME])) {
- $bucket = $options[self::BUCKET_NAME];
- } else if (isset($this->_defaultBucketName)) {
- $bucket = $this->_defaultBucketName;
- } else {
- require_once 'Zend/Cloud/StorageService/Exception.php';
- throw new Zend_Cloud_StorageService_Exception('Bucket name must be specified for S3 adapter.');
- }
-
- if (isset($options[self::BUCKET_AS_DOMAIN])) {
- // TODO: support bucket domain names
- require_once 'Zend/Cloud/StorageService/Exception.php';
- throw new Zend_Cloud_StorageService_Exception('The S3 adapter does not currently support buckets in domain names.');
- }
-
- return trim($bucket) . '/' . trim($path);
- }
-
- /**
- * Get the concrete client.
- * @return Zend_Service_Amazon_S3
- */
- public function getClient()
- {
- return $this->_s3;
- }
- }