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add azure object storage backend 

Signed-off-by: Robin Appelman <robin@icewind.nl>
Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
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Robin Appelman 2018-05-15 16:06:31 +02:00 committed by Roeland Jago Douma
parent 9b0919da76
commit 60b7cbc0f0
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lib/private/Files/ObjectStore/Azure.php Normal file
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<?php
/**
* @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Files\ObjectStore;
use MicrosoftAzure\Storage\Blob\BlobRestProxy;
use OCP\Files\ObjectStore\IObjectStore;
class Azure implements IObjectStore {
/** @var string */
private $containerName;
/** @var string */
private $accountName;
/** @var string */
private $accountKey;
/** @var BlobRestProxy|null */
private $blobClient = null;
/**
* @param array $parameters
*/
public function __construct($parameters) {
$this->containerName = $parameters['container'];
$this->accountName = $parameters['account_name'];
$this->accountKey = $parameters['account_key'];
}
/**
* @return BlobRestProxy
*/
private function getBlobClient() {
if (!$this->blobClient) {
$connectionString = "DefaultEndpointsProtocol=https;AccountName=" . $this->accountName . ";AccountKey=" . $this->accountKey;
$this->blobClient = BlobRestProxy::createBlobService($connectionString);
}
return $this->blobClient;
}
/**
* @return string the container or bucket name where objects are stored
*/
public function getStorageId() {
return 'azure::blob::' . $this->containerName;
}
/**
* @param string $urn the unified resource name used to identify the object
* @return resource stream with the read data
* @throws \Exception when something goes wrong, message will be logged
*/
public function readObject($urn) {
$blob = $this->getBlobClient()->getBlob($this->containerName, $urn);
return $blob->getContentStream();
}
/**
* @param string $urn the unified resource name used to identify the object
* @param resource $stream stream with the data to write
* @throws \Exception when something goes wrong, message will be logged
*/
public function writeObject($urn, $stream) {
$this->getBlobClient()->createBlockBlob($this->containerName, $urn, $stream);
}
/**
* @param string $urn the unified resource name used to identify the object
* @return void
* @throws \Exception when something goes wrong, message will be logged
*/
public function deleteObject($urn) {
$this->getBlobClient()->deleteBlob($this->containerName, $urn);
}
}