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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OC\Files\Mount;
use OCP\Files\Config\IHomeMountProvider;
use OCP\Files\Storage\IStorageFactory;
use OCP\IConfig;
use OCP\IUser;
use Psr\Log\LoggerInterface;
/**
* Mount provider for object store home storages
*/
class ObjectHomeMountProvider implements IHomeMountProvider {
/**
* @var IConfig
*/
private $config;
/**
* ObjectStoreHomeMountProvider constructor.
*
* @param IConfig $config
*/
public function __construct(IConfig $config) {
$this->config = $config;
}
/**
* Get the cache mount for a user
*
* @param IUser $user
* @param IStorageFactory $loader
* @return \OCP\Files\Mount\IMountPoint
*/
public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
$config = $this->getMultiBucketObjectStoreConfig($user);
if ($config === null) {
$config = $this->getSingleBucketObjectStoreConfig($user);
}
if ($config === null) {
return null;
}
return new HomeMountPoint($user, '\OC\Files\ObjectStore\HomeObjectStoreStorage', '/' . $user->getUID(), $config['arguments'], $loader, null, null, self::class);
}
/**
* @param IUser $user
* @return array|null
*/
private function getSingleBucketObjectStoreConfig(IUser $user) {
$config = $this->config->getSystemValue('objectstore');
if (!is_array($config)) {
return null;
}
// sanity checks
if (empty($config['class'])) {
\OC::$server->get(LoggerInterface::class)->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
$config['arguments']['user'] = $user;
return $config;
}
/**
* @param IUser $user
* @return array|null
*/
private function getMultiBucketObjectStoreConfig(IUser $user) {
$config = $this->config->getSystemValue('objectstore_multibucket');
if (!is_array($config)) {
return null;
}
// sanity checks
if (empty($config['class'])) {
\OC::$server->get(LoggerInterface::class)->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
$bucket = $this->config->getUserValue($user->getUID(), 'homeobjectstore', 'bucket', null);
if ($bucket === null) {
/*
* Use any provided bucket argument as prefix
* and add the mapping from username => bucket
*/
if (!isset($config['arguments']['bucket'])) {
$config['arguments']['bucket'] = '';
}
$mapper = new \OC\Files\ObjectStore\Mapper($user, $this->config);
$numBuckets = $config['arguments']['num_buckets'] ?? 64;
$config['arguments']['bucket'] .= $mapper->getBucket($numBuckets);
$this->config->setUserValue($user->getUID(), 'homeobjectstore', 'bucket', $config['arguments']['bucket']);
} else {
$config['arguments']['bucket'] = $bucket;
}
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
$config['arguments']['user'] = $user;
return $config;
}
}
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