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Diffstat (limited to 'lib/public/Files/Storage/IStorage.php')
| -rw-r--r-- | lib/public/Files/Storage/IStorage.php | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/lib/public/Files/Storage/IStorage.php b/lib/public/Files/Storage/IStorage.php new file mode 100644 index 00000000000..ab1915bb93e --- /dev/null +++ b/lib/public/Files/Storage/IStorage.php @@ -0,0 +1,457 @@ +<?php +/** + * @author Robin Appelman <icewind@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/> + * + */ + +/** + * Public interface of ownCloud for apps to use. + * Files/Storage interface + */ + +// use OCP namespace for all classes that are considered public. +// This means that they should be used by apps instead of the internal ownCloud classes +namespace OCP\Files\Storage; + +use OCP\Files\Cache\ICache; +use OCP\Files\Cache\IPropagator; +use OCP\Files\Cache\IScanner; +use OCP\Files\Cache\IUpdater; +use OCP\Files\Cache\IWatcher; +use OCP\Files\InvalidPathException; + +/** + * Provide a common interface to all different storage options + * + * All paths passed to the storage are relative to the storage and should NOT have a leading slash. + * + * @since 9.0.0 + */ +interface IStorage { + /** + * $parameters is a free form array with the configuration options needed to construct the storage + * + * @param array $parameters + * @since 9.0.0 + */ + public function __construct($parameters); + + /** + * Get the identifier for the storage, + * the returned id should be the same for every storage object that is created with the same parameters + * and two storage objects with the same id should refer to two storages that display the same files. + * + * @return string + * @since 9.0.0 + */ + public function getId(); + + /** + * see http://php.net/manual/en/function.mkdir.php + * implementations need to implement a recursive mkdir + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function mkdir($path); + + /** + * see http://php.net/manual/en/function.rmdir.php + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function rmdir($path); + + /** + * see http://php.net/manual/en/function.opendir.php + * + * @param string $path + * @return resource|false + * @since 9.0.0 + */ + public function opendir($path); + + /** + * see http://php.net/manual/en/function.is-dir.php + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function is_dir($path); + + /** + * see http://php.net/manual/en/function.is-file.php + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function is_file($path); + + /** + * see http://php.net/manual/en/function.stat.php + * only the following keys are required in the result: size and mtime + * + * @param string $path + * @return array|false + * @since 9.0.0 + */ + public function stat($path); + + /** + * see http://php.net/manual/en/function.filetype.php + * + * @param string $path + * @return string|false + * @since 9.0.0 + */ + public function filetype($path); + + /** + * see http://php.net/manual/en/function.filesize.php + * The result for filesize when called on a folder is required to be 0 + * + * @param string $path + * @return int|false + * @since 9.0.0 + */ + public function filesize($path); + + /** + * check if a file can be created in $path + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function isCreatable($path); + + /** + * check if a file can be read + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function isReadable($path); + + /** + * check if a file can be written to + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function isUpdatable($path); + + /** + * check if a file can be deleted + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function isDeletable($path); + + /** + * check if a file can be shared + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function isSharable($path); + + /** + * get the full permissions of a path. + * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php + * + * @param string $path + * @return int + * @since 9.0.0 + */ + public function getPermissions($path); + + /** + * see http://php.net/manual/en/function.file_exists.php + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function file_exists($path); + + /** + * see http://php.net/manual/en/function.filemtime.php + * + * @param string $path + * @return int|false + * @since 9.0.0 + */ + public function filemtime($path); + + /** + * see http://php.net/manual/en/function.file_get_contents.php + * + * @param string $path + * @return string|false + * @since 9.0.0 + */ + public function file_get_contents($path); + + /** + * see http://php.net/manual/en/function.file_put_contents.php + * + * @param string $path + * @param string $data + * @return bool + * @since 9.0.0 + */ + public function file_put_contents($path, $data); + + /** + * see http://php.net/manual/en/function.unlink.php + * + * @param string $path + * @return bool + * @since 9.0.0 + */ + public function unlink($path); + + /** + * see http://php.net/manual/en/function.rename.php + * + * @param string $path1 + * @param string $path2 + * @return bool + * @since 9.0.0 + */ + public function rename($path1, $path2); + + /** + * see http://php.net/manual/en/function.copy.php + * + * @param string $path1 + * @param string $path2 + * @return bool + * @since 9.0.0 + */ + public function copy($path1, $path2); + + /** + * see http://php.net/manual/en/function.fopen.php + * + * @param string $path + * @param string $mode + * @return resource|false + * @since 9.0.0 + */ + public function fopen($path, $mode); + + /** + * get the mimetype for a file or folder + * The mimetype for a folder is required to be "httpd/unix-directory" + * + * @param string $path + * @return string|false + * @since 9.0.0 + */ + public function getMimeType($path); + + /** + * see http://php.net/manual/en/function.hash-file.php + * + * @param string $type + * @param string $path + * @param bool $raw + * @return string|false + * @since 9.0.0 + */ + public function hash($type, $path, $raw = false); + + /** + * see http://php.net/manual/en/function.free_space.php + * + * @param string $path + * @return int|false + * @since 9.0.0 + */ + public function free_space($path); + + /** + * see http://php.net/manual/en/function.touch.php + * If the backend does not support the operation, false should be returned + * + * @param string $path + * @param int $mtime + * @return bool + * @since 9.0.0 + */ + public function touch($path, $mtime = null); + + /** + * get the path to a local version of the file. + * The local version of the file can be temporary and doesn't have to be persistent across requests + * + * @param string $path + * @return string|false + * @since 9.0.0 + */ + public function getLocalFile($path); + + /** + * check if a file or folder has been updated since $time + * + * @param string $path + * @param int $time + * @return bool + * @since 9.0.0 + * + * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed. + * returning true for other changes in the folder is optional + */ + public function hasUpdated($path, $time); + + /** + * get the ETag for a file or folder + * + * @param string $path + * @return string|false + * @since 9.0.0 + */ + public function getETag($path); + + /** + * Returns whether the storage is local, which means that files + * are stored on the local filesystem instead of remotely. + * Calling getLocalFile() for local storages should always + * return the local files, whereas for non-local storages + * it might return a temporary file. + * + * @return bool true if the files are stored locally, false otherwise + * @since 9.0.0 + */ + public function isLocal(); + + /** + * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class + * + * @param string $class + * @return bool + * @since 9.0.0 + */ + public function instanceOfStorage($class); + + /** + * A custom storage implementation can return an url for direct download of a give file. + * + * For now the returned array can hold the parameter url - in future more attributes might follow. + * + * @param string $path + * @return array|false + * @since 9.0.0 + */ + public function getDirectDownload($path); + + /** + * @param string $path the path of the target folder + * @param string $fileName the name of the file itself + * @return void + * @throws InvalidPathException + * @since 9.0.0 + */ + public function verifyPath($path, $fileName); + + /** + * @param \OCP\Files\Storage $sourceStorage + * @param string $sourceInternalPath + * @param string $targetInternalPath + * @return bool + * @since 9.0.0 + */ + public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath); + + /** + * @param \OCP\Files\Storage $sourceStorage + * @param string $sourceInternalPath + * @param string $targetInternalPath + * @return bool + * @since 9.0.0 + */ + public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath); + + /** + * Test a storage for availability + * + * @since 9.0.0 + * @return bool + */ + public function test(); + + /** + * @since 9.0.0 + * @return array [ available, last_checked ] + */ + public function getAvailability(); + + /** + * @since 9.0.0 + * @param bool $isAvailable + */ + public function setAvailability($isAvailable); + + /** + * @param string $path path for which to retrieve the owner + * @since 9.0.0 + */ + public function getOwner($path); + + /** + * @return ICache + * @since 9.0.0 + */ + public function getCache(); + + /** + * @return IPropagator + * @since 9.0.0 + */ + public function getPropagator(); + + /** + * @return IScanner + * @since 9.0.0 + */ + public function getScanner(); + + /** + * @return IUpdater + * @since 9.0.0 + */ + public function getUpdater(); + + /** + * @return IWatcher + * @since 9.0.0 + */ + public function getWatcher(); +} |