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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2020, Morris Jobke <[email protected]> |
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* |
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* @author Morris Jobke <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program 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 License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Files\Mount; |
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use OC\Files\ObjectStore\AppdataPreviewObjectStoreStorage; |
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use OC\Files\ObjectStore\ObjectStoreStorage; |
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use OC\Files\Storage\Wrapper\Jail; |
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use OCP\Files\Config\IRootMountProvider; |
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use OCP\Files\Storage\IStorageFactory; |
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use OCP\IConfig; |
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use OCP\ILogger; |
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/** |
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* Mount provider for object store app data folder for previews |
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*/ |
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class ObjectStorePreviewCacheMountProvider implements IRootMountProvider { |
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/** @var ILogger */ |
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private $logger; |
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/** @var IConfig */ |
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private $config; |
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public function __construct(ILogger $logger, IConfig $config) { |
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$this->logger = $logger; |
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$this->config = $config; |
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} |
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/** |
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* @return MountPoint[] |
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* @throws \Exception |
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*/ |
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public function getRootMounts(IStorageFactory $loader): array { |
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if (!is_array($this->config->getSystemValue('objectstore_multibucket'))) { |
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return []; |
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} |
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if ($this->config->getSystemValue('objectstore.multibucket.preview-distribution', false) !== true) { |
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return []; |
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} |
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$instanceId = $this->config->getSystemValueString('instanceid', ''); |
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$mountPoints = []; |
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$directoryRange = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']; |
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$i = 0; |
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foreach ($directoryRange as $parent) { |
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foreach ($directoryRange as $child) { |
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$mountPoints[] = new MountPoint( |
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AppdataPreviewObjectStoreStorage::class, |
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'/appdata_' . $instanceId . '/preview/' . $parent . '/' . $child, |
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$this->getMultiBucketObjectStore($i), |
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$loader |
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); |
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$i++; |
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} |
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} |
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$rootStorageArguments = $this->getMultiBucketObjectStoreForRoot(); |
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$fakeRootStorage = new ObjectStoreStorage($rootStorageArguments); |
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$fakeRootStorageJail = new Jail([ |
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'storage' => $fakeRootStorage, |
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'root' => '/appdata_' . $instanceId . '/preview', |
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]); |
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// add a fallback location to be able to fetch existing previews from the old bucket |
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$mountPoints[] = new MountPoint( |
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$fakeRootStorageJail, |
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'/appdata_' . $instanceId . '/preview/old-multibucket', |
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null, |
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$loader |
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); |
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return $mountPoints; |
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} |
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protected function getMultiBucketObjectStore(int $number): array { |
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$config = $this->config->getSystemValue('objectstore_multibucket'); |
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// sanity checks |
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if (empty($config['class'])) { |
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$this->logger->error('No class given for objectstore', ['app' => 'files']); |
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} |
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if (!isset($config['arguments'])) { |
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$config['arguments'] = []; |
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} |
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/* |
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* Use any provided bucket argument as prefix |
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* and add the mapping from parent/child => bucket |
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*/ |
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if (!isset($config['arguments']['bucket'])) { |
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$config['arguments']['bucket'] = ''; |
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} |
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$config['arguments']['bucket'] .= "-preview-$number"; |
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// instantiate object store implementation |
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$config['arguments']['objectstore'] = new $config['class']($config['arguments']); |
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$config['arguments']['internal-id'] = $number; |
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return $config['arguments']; |
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} |
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protected function getMultiBucketObjectStoreForRoot(): array { |
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$config = $this->config->getSystemValue('objectstore_multibucket'); |
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// sanity checks |
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if (empty($config['class'])) { |
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$this->logger->error('No class given for objectstore', ['app' => 'files']); |
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} |
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if (!isset($config['arguments'])) { |
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$config['arguments'] = []; |
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} |
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/* |
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* Use any provided bucket argument as prefix |
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* and add the mapping from parent/child => bucket |
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*/ |
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if (!isset($config['arguments']['bucket'])) { |
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$config['arguments']['bucket'] = ''; |
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} |
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$config['arguments']['bucket'] .= '0'; |
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// instantiate object store implementation |
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$config['arguments']['objectstore'] = new $config['class']($config['arguments']); |
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return $config['arguments']; |
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} |
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} |
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nextcloud /
server
