133 lines
3.7 KiB
PHP
133 lines
3.7 KiB
PHP
<?php
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/**
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* @author Jörn Friedrich Dreyer
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* @copyright (c) 2014 Jörn Friedrich Dreyer <jfd@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\Files\ObjectStore;
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use Guzzle\Http\Exception\ClientErrorResponseException;
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use OpenCloud\OpenStack;
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class Swift implements \OCP\Files\ObjectStore\IObjectStore {
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/**
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* @var \OpenCloud\ObjectStore\Service
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*/
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private $objectStoreService;
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/**
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* @var \OpenCloud\ObjectStore\Resource\Container
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*/
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private $container;
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public function __construct($params) {
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if (!isset($params['username']) || !isset($params['password']) ) {
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throw new \Exception("Access Key and Secret have to be configured.");
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}
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if (!isset($params['container'])) {
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$params['container'] = 'owncloud';
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}
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if (!isset($params['autocreate'])) {
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// should only be true for tests
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$params['autocreate'] = false;
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}
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$secret = array(
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'username' => $params['username'],
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'password' => $params['password']
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);
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if (isset($params['tenantName'])) {
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$secret['tenantName'] = $params['tenantName'];
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}
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if (isset($params['tenantId'])) {
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$secret['tenantId'] = $params['tenantId'];
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}
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// the OpenCloud client library will default to 'cloudFiles' if $serviceName is null
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$serviceName = null;
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if ($params['serviceName']) {
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$serviceName = $params['serviceName'];
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}
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$client = new OpenStack($params['url'], $secret);
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$this->objectStoreService = $client->objectStoreService($serviceName, $params['region']);
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try {
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$this->container = $this->objectStoreService->getContainer($params['container']);
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} catch (ClientErrorResponseException $ex) {
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// if the container does not exist and autocreate is true try to create the container on the fly
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if (isset($params['autocreate']) && $params['autocreate'] === true) {
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$this->container = $this->objectStoreService->createContainer($params['container']);
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} else {
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throw $ex;
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}
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}
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}
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public function getStorageId() {
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return $this->container->name;
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}
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/**
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* @param string $urn Unified Resource Name
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* @param string $tmpFile
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* @return void
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* @throws Exception from openstack lib when something goes wrong
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*/
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public function writeObject($urn, $tmpFile = null) {
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$fileData = '';
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if ($tmpFile) {
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$fileData = fopen($tmpFile, 'r');
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}
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$this->container->uploadObject($urn, $fileData);
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}
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/**
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* @param string $urn Unified Resource Name
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* @param string $tmpFile
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* @return void
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* @throws Exception from openstack lib when something goes wrong
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*/
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public function getObject($urn, $tmpFile) {
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$object = $this->container->getObject($urn);
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/** @var $objectContent \Guzzle\Http\EntityBody **/
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$objectContent = $object->getContent();
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$objectContent->rewind();
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$stream = $objectContent->getStream();
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file_put_contents($tmpFile, $stream);
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}
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/**
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* @param string $urn Unified Resource Name
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* @return void
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* @throws Exception from openstack lib when something goes wrong
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*/
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public function deleteObject($urn) {
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$object = $this->container->getObject($urn);
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$object->delete();
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}
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public function deleteContainer($recursive = false) {
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$this->container->delete($recursive);
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}
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}
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