--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cloud/StorageService/Adapter/S3.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,327 @@
+<?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) 2005-2010 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) 2005-2010 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 {
+ // TODO We *really* need to add support for object copying in the S3 adapter
+ $item = $this->fetch($_getFullPath(sourcePath), $options);
+ $this->storeItem($item, $destinationPath, $options);
+ } 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;
+ }
+}