File indexing completed on 2025-01-26 05:24:52

 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 // require_once 'Zend/Cloud/StorageService/Adapter.php';
 // require_once 'Zend/Service/WindowsAzure/Storage/Blob.php';
 // require_once 'Zend/Cloud/StorageService/Exception.php';
 
 /**
  *
  * Windows Azure Blob Service abstraction
  *
  * @category   Zend
  * @package    Zend_Cloud
  * @subpackage StorageService
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Cloud_StorageService_Adapter_WindowsAzure
     implements Zend_Cloud_StorageService_Adapter
 {
     const ACCOUNT_NAME      = 'storage_accountname';
     const ACCOUNT_KEY       = 'storage_accountkey';
     const HOST              = "storage_host";
     const PROXY_HOST        = "storage_proxy_host";
     const PROXY_PORT        = "storage_proxy_port";
     const PROXY_CREDENTIALS = "storage_proxy_credentials";
     const CONTAINER         = "storage_container";
     const RETURN_TYPE       = 'return_type';
     const RETURN_PATHNAME   = 'return_path';
     const RETURN_OPENMODE   = 'return_openmode';
 
     /** return types  for fetch */
     const RETURN_PATH   = 1;   // return filename
     const RETURN_STRING = 2; // return data as string
     const RETURN_STREAM = 3; // return PHP stream
 
     /** return types  for list */
     const RETURN_LIST  = 1;   // return native list
     const RETURN_NAMES = 2;  // return only names
 
     const DEFAULT_HOST = Zend_Service_WindowsAzure_Storage::URL_CLOUD_BLOB;
 
     /**
      * Storage container to operate on
      *
      * @var string
      */
     protected $_container;
 
     /**
      * Storage client
      *
      * @var Zend_Service_WindowsAzure_Storage_Blob
      */
     protected $_storageClient = null;
 
     /**
      * Creates a new Zend_Cloud_Storage_WindowsAzure instance
      *
      * @param array|Zend_Config  $options   Options for the Zend_Cloud_Storage_WindowsAzure instance
      */
     public function __construct($options = array())
     {
         if ($options instanceof Zend_Config) {
             $options = $options->toArray();
         }
 
         if (!is_array($options)) {
             throw new Zend_Cloud_StorageService_Exception('Invalid options provided');
         }
 
         // Build Zend_Service_WindowsAzure_Storage_Blob instance
         if (!isset($options[self::HOST])) {
             $host = self::DEFAULT_HOST;
         } else {
             $host = $options[self::HOST];
         }
 
         if (!isset($options[self::ACCOUNT_NAME])) {
             throw new Zend_Cloud_StorageService_Exception('No Windows Azure account name provided.');
         }
         if (!isset($options[self::ACCOUNT_KEY])) {
             throw new Zend_Cloud_StorageService_Exception('No Windows Azure account key provided.');
         }
 
         $this->_storageClient = new Zend_Service_WindowsAzure_Storage_Blob($host,
              $options[self::ACCOUNT_NAME], $options[self::ACCOUNT_KEY]);
 
         // Parse other options
         if (!empty($options[self::PROXY_HOST])) {
             $proxyHost = $options[self::PROXY_HOST];
             $proxyPort = isset($options[self::PROXY_PORT]) ? $options[self::PROXY_PORT] : 8080;
             $proxyCredentials = isset($options[self::PROXY_CREDENTIALS]) ? $options[self::PROXY_CREDENTIALS] : '';
 
             $this->_storageClient->setProxy(true, $proxyHost, $proxyPort, $proxyCredentials);
         }
 
         if (isset($options[self::HTTP_ADAPTER])) {
             $this->_storageClient->setHttpClientChannel($options[self::HTTP_ADAPTER]);
         }
 
         // Set container
         $this->_container = $options[self::CONTAINER];
 
         // Make sure the container exists
         if (!$this->_storageClient->containerExists($this->_container)) {
             $this->_storageClient->createContainer($this->_container);
         }
     }
 
     /**
      * Get an item from the storage service.
      *
      * @param  string $path
      * @param  array $options
      * @return mixed
      */
     public function fetchItem($path, $options = null)
     {
         // Options
         $returnType = self::RETURN_STRING;
         $returnPath = tempnam('', 'azr');
         $openMode   = 'r';
 
         // Parse options
         if (is_array($options)) {
             if (isset($options[self::RETURN_TYPE])) {
                 $returnType = $options[self::RETURN_TYPE];
             }
 
             if (isset($options[self::RETURN_PATHNAME])) {
                 $returnPath = $options[self::RETURN_PATHNAME];
             }
 
             if (isset($options[self::RETURN_OPENMODE])) {
                 $openMode = $options[self::RETURN_OPENMODE];
             }
         }
 
         // Fetch the blob
         try {
             $this->_storageClient->getBlob(
                 $this->_container,
                 $path,
                 $returnPath
             );
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             if (strpos($e->getMessage(), "does not exist") !== false) {
                 return false;
             }
             throw new Zend_Cloud_StorageService_Exception('Error on fetch: '.$e->getMessage(), $e->getCode(), $e);
         }
 
         // Return value
         if ($returnType == self::RETURN_PATH) {
             return $returnPath;
         }
         if ($returnType == self::RETURN_STRING) {
             return file_get_contents($returnPath);
         }
         if ($returnType == self::RETURN_STREAM) {
             return fopen($returnPath, $openMode);
         }
     }
 
     /**
      * Store an item in the storage service.
      * WARNING: This operation overwrites any item that is located at
      * $destinationPath.
      * @param string $destinationPath
      * @param mixed  $data
      * @param  array $options
      * @return boolean
      */
     public function storeItem($destinationPath, $data, $options = null)
     {
         // Create a temporary file that will be uploaded
         $temporaryFilePath       = '';
         $removeTemporaryFilePath = false;
 
         if (is_resource($data))    {
             $temporaryFilePath = tempnam('', 'azr');
             $fpDestination     = fopen($temporaryFilePath, 'w');
 
             $fpSource = $data;
             rewind($fpSource);
             while (!feof($fpSource)) {
                 fwrite($fpDestination, fread($fpSource, 8192));
             }
 
             fclose($fpDestination);
 
             $removeTemporaryFilePath = true;
         } elseif (file_exists($data)) {
             $temporaryFilePath       = $data;
             $removeTemporaryFilePath = false;
         } else {
             $temporaryFilePath = tempnam('', 'azr');
             file_put_contents($temporaryFilePath, $data);
             $removeTemporaryFilePath = true;
         }
 
         try {
             // Upload data
             $this->_storageClient->putBlob(
                 $this->_container,
                 $destinationPath,
                 $temporaryFilePath
             );
         } catch(Zend_Service_WindowsAzure_Exception $e) {
             @unlink($temporaryFilePath);
             throw new Zend_Cloud_StorageService_Exception('Error on store: '.$e->getMessage(), $e->getCode(), $e);
         }
         if ($removeTemporaryFilePath) {
             @unlink($temporaryFilePath);
         }
     }
 
     /**
      * Delete an item in the storage service.
      *
      * @param  string $path
      * @param  array  $options
      * @return void
      */
     public function deleteItem($path, $options = null)
     {
         try {
             $this->_storageClient->deleteBlob(
                 $this->_container,
                 $path
             );
         } catch (Zend_Service_WindowsAzure_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.
      *
      * @param  string $sourcePath
      * @param  string $destinationPath
      * @param  array  $options
      * @return void
      */
     public function copyItem($sourcePath, $destinationPath, $options = null)
     {
         try {
             $this->_storageClient->copyBlob(
                 $this->_container,
                 $sourcePath,
                 $this->_container,
                 $destinationPath
             );
         } catch (Zend_Service_WindowsAzure_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.
      *
      * @param  string $sourcePath
      * @param  string $destinationPath
      * @param  array  $options
      * @return void
      */
     public function moveItem($sourcePath, $destinationPath, $options = null)
     {
         try {
             $this->_storageClient->copyBlob(
                 $this->_container,
                 $sourcePath,
                 $this->_container,
                 $destinationPath
             );
 
             $this->_storageClient->deleteBlob(
                 $this->_container,
                 $sourcePath
             );
         } catch (Zend_Service_WindowsAzure_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)
     {
         return $this->moveItem($path, $name, $options);
     }
 
     /**
      * 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)
     {
         // Options
         $returnType = self::RETURN_NAMES; // 1: return list of paths, 2: return raw output from underlying provider
 
         // Parse options
         if (is_array($options)&& isset($options[self::RETURN_TYPE])) {
                $returnType = $options[self::RETURN_TYPE];
         }
 
         try {
             // Fetch list
             $blobList = $this->_storageClient->listBlobs(
                 $this->_container,
                 $path
             );
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             throw new Zend_Cloud_StorageService_Exception('Error on list: '.$e->getMessage(), $e->getCode(), $e);
         }
 
         // Return
         if ($returnType == self::RETURN_LIST) {
             return $blobList;
         }
 
         $returnValue = array();
         foreach ($blobList as $blob) {
             $returnValue[] = $blob->Name;
         }
 
         return $returnValue;
     }
 
     /**
      * Get a key/value array of metadata for the given path.
      *
      * @param  string $path
      * @param  array  $options
      * @return array
      */
     public function fetchMetadata($path, $options = null)
     {
         try {
             return $this->_storageClient->getBlobMetaData(
                 $this->_container,
                 $path
             );
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             if (strpos($e->getMessage(), "could not be accessed") !== false) {
                 return false;
             }
             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 = null)
     {
         try    {
             $this->_storageClient->setBlobMetadata($this->_container, $destinationPath, $metadata);
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             if (strpos($e->getMessage(), "could not be accessed") === false) {
                 throw new Zend_Cloud_StorageService_Exception('Error on store metadata: '.$e->getMessage(), $e->getCode(), $e);
             }
         }
     }
 
     /**
      * Delete a key/value array of metadata at the given path.
      *
      * @param  string $path
      * @param  array $options
      * @return void
      */
     public function deleteMetadata($path, $options = null)
     {
         try {
             $this->_storageClient->setBlobMetadata($this->_container, $destinationPath, array());
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             if (strpos($e->getMessage(), "could not be accessed") === false) {
                 throw new Zend_Cloud_StorageService_Exception('Error on delete metadata: '.$e->getMessage(), $e->getCode(), $e);
             }
         }
     }
 
     /**
      * Delete container
      *
      * @return void
      */
     public function deleteContainer()
     {
         try {
             $this->_storageClient->deleteContainer($this->_container);
         } catch (Zend_Service_WindowsAzure_Exception $e) {
             throw new Zend_Cloud_StorageService_Exception('Error on delete: '.$e->getMessage(), $e->getCode(), $e);
         }
     }
 
     /**
      * Get the concrete adapter.
      * @return Zend_Service_Azure_Storage_Blob
      */
     public function getClient()
     {
          return $this->_storageClient;
     }
 }