diff options
Diffstat (limited to 'lib/private/files/cache/storage.php')
| -rw-r--r-- | lib/private/files/cache/storage.php | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/lib/private/files/cache/storage.php b/lib/private/files/cache/storage.php deleted file mode 100644 index 90c451ecc21..00000000000 --- a/lib/private/files/cache/storage.php +++ /dev/null @@ -1,189 +0,0 @@ -<?php -/** - * @author Joas Schilling <nickvergessen@owncloud.com> - * @author Jörn Friedrich Dreyer <jfd@butonic.de> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <icewind@owncloud.com> - * @author Robin McCorkell <robin@mccorkell.me.uk> - * @author Thomas Müller <thomas.mueller@tmit.eu> - * @author Vincent Petry <pvince81@owncloud.com> - * - * @copyright Copyright (c) 2016, ownCloud, Inc. - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * 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, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * - */ - -namespace OC\Files\Cache; - -/** - * Handle the mapping between the string and numeric storage ids - * - * Each storage has 2 different ids - * a string id which is generated by the storage backend and reflects the configuration of the storage (e.g. 'smb://user@host/share') - * and a numeric storage id which is referenced in the file cache - * - * A mapping between the two storage ids is stored in the database and accessible trough this class - * - * @package OC\Files\Cache - */ -class Storage { - private $storageId; - private $numericId; - - /** - * @param \OC\Files\Storage\Storage|string $storage - * @param bool $isAvailable - * @throws \RuntimeException - */ - public function __construct($storage, $isAvailable = true) { - if ($storage instanceof \OC\Files\Storage\Storage) { - $this->storageId = $storage->getId(); - } else { - $this->storageId = $storage; - } - $this->storageId = self::adjustStorageId($this->storageId); - - if ($row = self::getStorageById($this->storageId)) { - $this->numericId = $row['numeric_id']; - } else { - $connection = \OC::$server->getDatabaseConnection(); - $available = $isAvailable ? 1 : 0; - if ($connection->insertIfNotExist('*PREFIX*storages', ['id' => $this->storageId, 'available' => $available])) { - $this->numericId = $connection->lastInsertId('*PREFIX*storages'); - } else { - if ($row = self::getStorageById($this->storageId)) { - $this->numericId = $row['numeric_id']; - } else { - throw new \RuntimeException('Storage could neither be inserted nor be selected from the database'); - } - } - } - } - - /** - * @param string $storageId - * @return array|null - */ - public static function getStorageById($storageId) { - $sql = 'SELECT * FROM `*PREFIX*storages` WHERE `id` = ?'; - $result = \OC_DB::executeAudited($sql, array($storageId)); - return $result->fetchRow(); - } - - /** - * Adjusts the storage id to use md5 if too long - * @param string $storageId storage id - * @return string unchanged $storageId if its length is less than 64 characters, - * else returns the md5 of $storageId - */ - public static function adjustStorageId($storageId) { - if (strlen($storageId) > 64) { - return md5($storageId); - } - return $storageId; - } - - /** - * Get the numeric id for the storage - * - * @return int - */ - public function getNumericId() { - return $this->numericId; - } - - /** - * Get the string id for the storage - * - * @param int $numericId - * @return string|null either the storage id string or null if the numeric id is not known - */ - public static function getStorageId($numericId) { - - $sql = 'SELECT `id` FROM `*PREFIX*storages` WHERE `numeric_id` = ?'; - $result = \OC_DB::executeAudited($sql, array($numericId)); - if ($row = $result->fetchRow()) { - return $row['id']; - } else { - return null; - } - } - - /** - * Get the numeric of the storage with the provided string id - * - * @param $storageId - * @return int|null either the numeric storage id or null if the storage id is not knwon - */ - public static function getNumericStorageId($storageId) { - $storageId = self::adjustStorageId($storageId); - - if ($row = self::getStorageById($storageId)) { - return $row['numeric_id']; - } else { - return null; - } - } - - /** - * @return array|null [ available, last_checked ] - */ - public function getAvailability() { - if ($row = self::getStorageById($this->storageId)) { - return [ - 'available' => ((int)$row['available'] === 1), - 'last_checked' => $row['last_checked'] - ]; - } else { - return null; - } - } - - /** - * @param bool $isAvailable - */ - public function setAvailability($isAvailable) { - $sql = 'UPDATE `*PREFIX*storages` SET `available` = ?, `last_checked` = ? WHERE `id` = ?'; - $available = $isAvailable ? 1 : 0; - \OC_DB::executeAudited($sql, array($available, time(), $this->storageId)); - } - - /** - * Check if a string storage id is known - * - * @param string $storageId - * @return bool - */ - public static function exists($storageId) { - return !is_null(self::getNumericStorageId($storageId)); - } - - /** - * remove the entry for the storage - * - * @param string $storageId - */ - public static function remove($storageId) { - $storageId = self::adjustStorageId($storageId); - $numericId = self::getNumericStorageId($storageId); - $sql = 'DELETE FROM `*PREFIX*storages` WHERE `id` = ?'; - \OC_DB::executeAudited($sql, array($storageId)); - - if (!is_null($numericId)) { - $sql = 'DELETE FROM `*PREFIX*filecache` WHERE `storage` = ?'; - \OC_DB::executeAudited($sql, array($numericId)); - } - } -} |