%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Files\Mount;
use OC\Files\ObjectStore\AppdataPreviewObjectStoreStorage;
use OC\Files\ObjectStore\ObjectStoreStorage;
use OC\Files\Storage\Wrapper\Jail;
use OCP\Files\Config\IRootMountProvider;
use OCP\Files\Storage\IStorageFactory;
use OCP\IConfig;
use Psr\Log\LoggerInterface;
/**
* Mount provider for object store app data folder for previews
*/
class ObjectStorePreviewCacheMountProvider implements IRootMountProvider {
private LoggerInterface $logger;
/** @var IConfig */
private $config;
public function __construct(LoggerInterface $logger, IConfig $config) {
$this->logger = $logger;
$this->config = $config;
}
/**
* @return MountPoint[]
* @throws \Exception
*/
public function getRootMounts(IStorageFactory $loader): array {
if (!is_array($this->config->getSystemValue('objectstore_multibucket'))) {
return [];
}
if ($this->config->getSystemValue('objectstore.multibucket.preview-distribution', false) !== true) {
return [];
}
$instanceId = $this->config->getSystemValueString('instanceid', '');
$mountPoints = [];
$directoryRange = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];
$i = 0;
foreach ($directoryRange as $parent) {
foreach ($directoryRange as $child) {
$mountPoints[] = new MountPoint(
AppdataPreviewObjectStoreStorage::class,
'/appdata_' . $instanceId . '/preview/' . $parent . '/' . $child,
$this->getMultiBucketObjectStore($i),
$loader,
null,
null,
self::class
);
$i++;
}
}
$rootStorageArguments = $this->getMultiBucketObjectStoreForRoot();
$fakeRootStorage = new ObjectStoreStorage($rootStorageArguments);
$fakeRootStorageJail = new Jail([
'storage' => $fakeRootStorage,
'root' => '/appdata_' . $instanceId . '/preview',
]);
// add a fallback location to be able to fetch existing previews from the old bucket
$mountPoints[] = new MountPoint(
$fakeRootStorageJail,
'/appdata_' . $instanceId . '/preview/old-multibucket',
null,
$loader,
null,
null,
self::class
);
return $mountPoints;
}
protected function getMultiBucketObjectStore(int $number): array {
$config = $this->config->getSystemValue('objectstore_multibucket');
// sanity checks
if (empty($config['class'])) {
$this->logger->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
/*
* Use any provided bucket argument as prefix
* and add the mapping from parent/child => bucket
*/
if (!isset($config['arguments']['bucket'])) {
$config['arguments']['bucket'] = '';
}
$config['arguments']['bucket'] .= "-preview-$number";
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
$config['arguments']['internal-id'] = $number;
return $config['arguments'];
}
protected function getMultiBucketObjectStoreForRoot(): array {
$config = $this->config->getSystemValue('objectstore_multibucket');
// sanity checks
if (empty($config['class'])) {
$this->logger->error('No class given for objectstore', ['app' => 'files']);
}
if (!isset($config['arguments'])) {
$config['arguments'] = [];
}
/*
* Use any provided bucket argument as prefix
* and add the mapping from parent/child => bucket
*/
if (!isset($config['arguments']['bucket'])) {
$config['arguments']['bucket'] = '';
}
$config['arguments']['bucket'] .= '0';
// instantiate object store implementation
$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
return $config['arguments'];
}
}
Zerion Mini Shell 1.0