nextcloud / server

lib/public/Files/Storage.php

Indentation +413 added lines, -413 removed lines

@@ -51,417 +51,417 @@
  * @deprecated 9.0.0 use \OCP\Files\Storage\IStorage instead
  */
 interface Storage extends IStorage {
-	/**
-	 * $parameters is a free form array with the configuration options needed to construct the storage
-	 *
-	 * @param array $parameters
-	 * @since 6.0.0
-	 */
-	public function __construct($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 6.0.0
-	 */
-	public function getId();
-
-	/**
-	 * see http://php.net/manual/en/function.mkdir.php
-	 * implementations need to implement a recursive mkdir
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function mkdir($path);
-
-	/**
-	 * see http://php.net/manual/en/function.rmdir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function rmdir($path);
-
-	/**
-	 * see http://php.net/manual/en/function.opendir.php
-	 *
-	 * @param string $path
-	 * @return resource|false
-	 * @since 6.0.0
-	 */
-	public function opendir($path);
-
-	/**
-	 * see http://php.net/manual/en/function.is-dir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function is_dir($path);
-
-	/**
-	 * see http://php.net/manual/en/function.is-file.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function is_file($path);
-
-	/**
-	 * see http://php.net/manual/en/function.stat.php
-	 * only the following keys are required in the result: size and mtime
-	 *
-	 * @param string $path
-	 * @return array|false
-	 * @since 6.0.0
-	 */
-	public function stat($path);
-
-	/**
-	 * see http://php.net/manual/en/function.filetype.php
-	 *
-	 * @param string $path
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function filetype($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 $path
-	 * @return int|false
-	 * @since 6.0.0
-	 */
-	public function filesize($path);
-
-	/**
-	 * check if a file can be created in $path
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function isCreatable($path);
-
-	/**
-	 * check if a file can be read
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function isReadable($path);
-
-	/**
-	 * check if a file can be written to
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function isUpdatable($path);
-
-	/**
-	 * check if a file can be deleted
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function isDeletable($path);
-
-	/**
-	 * check if a file can be shared
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function isSharable($path);
-
-	/**
-	 * get the full permissions of a path.
-	 * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
-	 *
-	 * @param string $path
-	 * @return int
-	 * @since 6.0.0
-	 */
-	public function getPermissions($path);
-
-	/**
-	 * see http://php.net/manual/en/function.file_exists.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function file_exists($path);
-
-	/**
-	 * see http://php.net/manual/en/function.filemtime.php
-	 *
-	 * @param string $path
-	 * @return int|false
-	 * @since 6.0.0
-	 */
-	public function filemtime($path);
-
-	/**
-	 * see http://php.net/manual/en/function.file_get_contents.php
-	 *
-	 * @param string $path
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function file_get_contents($path);
-
-	/**
-	 * see http://php.net/manual/en/function.file_put_contents.php
-	 *
-	 * @param string $path
-	 * @param mixed $data
-	 * @return int|false
-	 * @since 6.0.0
-	 */
-	public function file_put_contents($path, $data);
-
-	/**
-	 * see http://php.net/manual/en/function.unlink.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function unlink($path);
-
-	/**
-	 * see http://php.net/manual/en/function.rename.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function rename($path1, $path2);
-
-	/**
-	 * see http://php.net/manual/en/function.copy.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function copy($path1, $path2);
-
-	/**
-	 * see http://php.net/manual/en/function.fopen.php
-	 *
-	 * @param string $path
-	 * @param string $mode
-	 * @return resource|false
-	 * @since 6.0.0
-	 */
-	public function fopen($path, $mode);
-
-	/**
-	 * get the mimetype for a file or folder
-	 * The mimetype for a folder is required to be "httpd/unix-directory"
-	 *
-	 * @param string $path
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function getMimeType($path);
-
-	/**
-	 * see http://php.net/manual/en/function.hash-file.php
-	 *
-	 * @param string $type
-	 * @param string $path
-	 * @param bool $raw
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function hash($type, $path, $raw = false);
-
-	/**
-	 * see http://php.net/manual/en/function.free_space.php
-	 *
-	 * @param string $path
-	 * @return int|false
-	 * @since 6.0.0
-	 */
-	public function free_space($path);
-
-	/**
-	 * search for occurrences of $query in file names
-	 *
-	 * @param string $query
-	 * @return array|false
-	 * @since 6.0.0
-	 */
-	public function search($query);
-
-	/**
-	 * 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 $mtime
-	 * @return bool
-	 * @since 6.0.0
-	 */
-	public function touch($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 $path
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function getLocalFile($path);
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 * @since 6.0.0
-	 *
-	 * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
-	 * returning true for other changes in the folder is optional
-	 */
-	public function hasUpdated($path, $time);
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string|false
-	 * @since 6.0.0
-	 */
-	public function getETag($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 7.0.0
-	 */
-	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 $class
-	 * @return bool
-	 * @since 7.0.0
-	 */
-	public function instanceOfStorage($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 $path
-	 * @return array|false
-	 * @since 8.0.0
-	 */
-	public function getDirectDownload($path);
-
-	/**
-	 * @param string $path the path of the target folder
-	 * @param string $fileName the name of the file itself
-	 * @return void
-	 * @throws InvalidPathException
-	 * @since 8.1.0
-	 */
-	public function verifyPath($path, $fileName);
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 * @since 8.1.0
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 * @since 8.1.0
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
-
-	/**
-	 * @param string $path The path of the file to acquire the lock for
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 * @since 8.1.0
-	 */
-	public function acquireLock($path, $type, ILockingProvider $provider);
-
-	/**
-	 * @param string $path The path of the file to acquire the lock for
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 * @since 8.1.0
-	 */
-	public function releaseLock($path, $type, ILockingProvider $provider);
-
-	/**
-	 * @param string $path The path of the file to change the lock for
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 * @since 8.1.0
-	 */
-	public function changeLock($path, $type, ILockingProvider $provider);
-
-	/**
-	 * Test a storage for availability
-	 *
-	 * @since 8.2.0
-	 * @return bool
-	 */
-	public function test();
-
-	/**
-	 * @since 8.2.0
-	 * @return array [ available, last_checked ]
-	 */
-	public function getAvailability();
-
-	/**
-	 * @since 8.2.0
-	 * @param bool $isAvailable
-	 */
-	public function setAvailability($isAvailable);
-
-	public function needsPartFile();
+    /**
+     * $parameters is a free form array with the configuration options needed to construct the storage
+     *
+     * @param array $parameters
+     * @since 6.0.0
+     */
+    public function __construct($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 6.0.0
+     */
+    public function getId();
+
+    /**
+     * see http://php.net/manual/en/function.mkdir.php
+     * implementations need to implement a recursive mkdir
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function mkdir($path);
+
+    /**
+     * see http://php.net/manual/en/function.rmdir.php
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function rmdir($path);
+
+    /**
+     * see http://php.net/manual/en/function.opendir.php
+     *
+     * @param string $path
+     * @return resource|false
+     * @since 6.0.0
+     */
+    public function opendir($path);
+
+    /**
+     * see http://php.net/manual/en/function.is-dir.php
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function is_dir($path);
+
+    /**
+     * see http://php.net/manual/en/function.is-file.php
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function is_file($path);
+
+    /**
+     * see http://php.net/manual/en/function.stat.php
+     * only the following keys are required in the result: size and mtime
+     *
+     * @param string $path
+     * @return array|false
+     * @since 6.0.0
+     */
+    public function stat($path);
+
+    /**
+     * see http://php.net/manual/en/function.filetype.php
+     *
+     * @param string $path
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function filetype($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 $path
+     * @return int|false
+     * @since 6.0.0
+     */
+    public function filesize($path);
+
+    /**
+     * check if a file can be created in $path
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function isCreatable($path);
+
+    /**
+     * check if a file can be read
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function isReadable($path);
+
+    /**
+     * check if a file can be written to
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function isUpdatable($path);
+
+    /**
+     * check if a file can be deleted
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function isDeletable($path);
+
+    /**
+     * check if a file can be shared
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function isSharable($path);
+
+    /**
+     * get the full permissions of a path.
+     * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
+     *
+     * @param string $path
+     * @return int
+     * @since 6.0.0
+     */
+    public function getPermissions($path);
+
+    /**
+     * see http://php.net/manual/en/function.file_exists.php
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function file_exists($path);
+
+    /**
+     * see http://php.net/manual/en/function.filemtime.php
+     *
+     * @param string $path
+     * @return int|false
+     * @since 6.0.0
+     */
+    public function filemtime($path);
+
+    /**
+     * see http://php.net/manual/en/function.file_get_contents.php
+     *
+     * @param string $path
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function file_get_contents($path);
+
+    /**
+     * see http://php.net/manual/en/function.file_put_contents.php
+     *
+     * @param string $path
+     * @param mixed $data
+     * @return int|false
+     * @since 6.0.0
+     */
+    public function file_put_contents($path, $data);
+
+    /**
+     * see http://php.net/manual/en/function.unlink.php
+     *
+     * @param string $path
+     * @return bool
+     * @since 6.0.0
+     */
+    public function unlink($path);
+
+    /**
+     * see http://php.net/manual/en/function.rename.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     * @since 6.0.0
+     */
+    public function rename($path1, $path2);
+
+    /**
+     * see http://php.net/manual/en/function.copy.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     * @since 6.0.0
+     */
+    public function copy($path1, $path2);
+
+    /**
+     * see http://php.net/manual/en/function.fopen.php
+     *
+     * @param string $path
+     * @param string $mode
+     * @return resource|false
+     * @since 6.0.0
+     */
+    public function fopen($path, $mode);
+
+    /**
+     * get the mimetype for a file or folder
+     * The mimetype for a folder is required to be "httpd/unix-directory"
+     *
+     * @param string $path
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function getMimeType($path);
+
+    /**
+     * see http://php.net/manual/en/function.hash-file.php
+     *
+     * @param string $type
+     * @param string $path
+     * @param bool $raw
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function hash($type, $path, $raw = false);
+
+    /**
+     * see http://php.net/manual/en/function.free_space.php
+     *
+     * @param string $path
+     * @return int|false
+     * @since 6.0.0
+     */
+    public function free_space($path);
+
+    /**
+     * search for occurrences of $query in file names
+     *
+     * @param string $query
+     * @return array|false
+     * @since 6.0.0
+     */
+    public function search($query);
+
+    /**
+     * 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 $mtime
+     * @return bool
+     * @since 6.0.0
+     */
+    public function touch($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 $path
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function getLocalFile($path);
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     * @since 6.0.0
+     *
+     * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
+     * returning true for other changes in the folder is optional
+     */
+    public function hasUpdated($path, $time);
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string|false
+     * @since 6.0.0
+     */
+    public function getETag($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 7.0.0
+     */
+    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 $class
+     * @return bool
+     * @since 7.0.0
+     */
+    public function instanceOfStorage($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 $path
+     * @return array|false
+     * @since 8.0.0
+     */
+    public function getDirectDownload($path);
+
+    /**
+     * @param string $path the path of the target folder
+     * @param string $fileName the name of the file itself
+     * @return void
+     * @throws InvalidPathException
+     * @since 8.1.0
+     */
+    public function verifyPath($path, $fileName);
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     * @since 8.1.0
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     * @since 8.1.0
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+
+    /**
+     * @param string $path The path of the file to acquire the lock for
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     * @since 8.1.0
+     */
+    public function acquireLock($path, $type, ILockingProvider $provider);
+
+    /**
+     * @param string $path The path of the file to acquire the lock for
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     * @since 8.1.0
+     */
+    public function releaseLock($path, $type, ILockingProvider $provider);
+
+    /**
+     * @param string $path The path of the file to change the lock for
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     * @since 8.1.0
+     */
+    public function changeLock($path, $type, ILockingProvider $provider);
+
+    /**
+     * Test a storage for availability
+     *
+     * @since 8.2.0
+     * @return bool
+     */
+    public function test();
+
+    /**
+     * @since 8.2.0
+     * @return array [ available, last_checked ]
+     */
+    public function getAvailability();
+
+    /**
+     * @since 8.2.0
+     * @param bool $isAvailable
+     */
+    public function setAvailability($isAvailable);
+
+    public function needsPartFile();
 }

lib/public/Files/Storage/IStorage.php

Indentation +411 added lines, -411 removed lines

@@ -47,415 +47,415 @@
  * @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 mixed $data
-	 * @return int|false
-	 * @since 9.0.0
-	 */
-	public function file_put_contents($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 IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 * @since 9.0.0
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 * @since 9.0.0
-	 */
-	public function moveFromStorage(IStorage $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();
+    /**
+     * $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 mixed $data
+     * @return int|false
+     * @since 9.0.0
+     */
+    public function file_put_contents($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 IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     * @since 9.0.0
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath);
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     * @since 9.0.0
+     */
+    public function moveFromStorage(IStorage $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();
 }

lib/private/Files/ObjectStore/ObjectStoreStorage.php

Indentation +540 added lines, -540 removed lines

@@ -40,547 +40,547 @@
 use OCP\Files\ObjectStore\IObjectStore;
 
 class ObjectStoreStorage extends \OC\Files\Storage\Common {
-	use CopyDirectory;
-
-	/**
-	 * @var \OCP\Files\ObjectStore\IObjectStore $objectStore
-	 */
-	protected $objectStore;
-	/**
-	 * @var string $id
-	 */
-	protected $id;
-	/**
-	 * @var \OC\User\User $user
-	 */
-	protected $user;
-
-	private $objectPrefix = 'urn:oid:';
-
-	private $logger;
-
-	public function __construct($params) {
-		if (isset($params['objectstore']) && $params['objectstore'] instanceof IObjectStore) {
-			$this->objectStore = $params['objectstore'];
-		} else {
-			throw new \Exception('missing IObjectStore instance');
-		}
-		if (isset($params['storageid'])) {
-			$this->id = 'object::store:' . $params['storageid'];
-		} else {
-			$this->id = 'object::store:' . $this->objectStore->getStorageId();
-		}
-		if (isset($params['objectPrefix'])) {
-			$this->objectPrefix = $params['objectPrefix'];
-		}
-		//initialize cache with root directory in cache
-		if (!$this->is_dir('/')) {
-			$this->mkdir('/');
-		}
-
-		$this->logger = \OC::$server->getLogger();
-	}
-
-	public function mkdir($path) {
-		$path = $this->normalizePath($path);
-
-		if ($this->file_exists($path)) {
-			return false;
-		}
-
-		$mTime = time();
-		$data = [
-			'mimetype' => 'httpd/unix-directory',
-			'size' => 0,
-			'mtime' => $mTime,
-			'storage_mtime' => $mTime,
-			'permissions' => \OCP\Constants::PERMISSION_ALL,
-		];
-		if ($path === '') {
-			//create root on the fly
-			$data['etag'] = $this->getETag('');
-			$this->getCache()->put('', $data);
-			return true;
-		} else {
-			// if parent does not exist, create it
-			$parent = $this->normalizePath(dirname($path));
-			$parentType = $this->filetype($parent);
-			if ($parentType === false) {
-				if (!$this->mkdir($parent)) {
-					// something went wrong
-					return false;
-				}
-			} elseif ($parentType === 'file') {
-				// parent is a file
-				return false;
-			}
-			// finally create the new dir
-			$mTime = time(); // update mtime
-			$data['mtime'] = $mTime;
-			$data['storage_mtime'] = $mTime;
-			$data['etag'] = $this->getETag($path);
-			$this->getCache()->put($path, $data);
-			return true;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	private function normalizePath($path) {
-		$path = trim($path, '/');
-		//FIXME why do we sometimes get a path like 'files//username'?
-		$path = str_replace('//', '/', $path);
-
-		// dirname('/folder') returns '.' but internally (in the cache) we store the root as ''
-		if (!$path || $path === '.') {
-			$path = '';
-		}
-
-		return $path;
-	}
-
-	/**
-	 * Object Stores use a NoopScanner because metadata is directly stored in
-	 * the file cache and cannot really scan the filesystem. The storage passed in is not used anywhere.
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
-	 * @return \OC\Files\ObjectStore\NoopScanner
-	 */
-	public function getScanner($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->scanner)) {
-			$this->scanner = new NoopScanner($storage);
-		}
-		return $this->scanner;
-	}
-
-	public function getId() {
-		return $this->id;
-	}
-
-	public function rmdir($path) {
-		$path = $this->normalizePath($path);
-
-		if (!$this->is_dir($path)) {
-			return false;
-		}
-
-		if (!$this->rmObjects($path)) {
-			return false;
-		}
-
-		$this->getCache()->remove($path);
-
-		return true;
-	}
-
-	private function rmObjects($path) {
-		$children = $this->getCache()->getFolderContents($path);
-		foreach ($children as $child) {
-			if ($child['mimetype'] === 'httpd/unix-directory') {
-				if (!$this->rmObjects($child['path'])) {
-					return false;
-				}
-			} else {
-				if (!$this->unlink($child['path'])) {
-					return false;
-				}
-			}
-		}
-
-		return true;
-	}
-
-	public function unlink($path) {
-		$path = $this->normalizePath($path);
-		$stat = $this->stat($path);
-
-		if ($stat && isset($stat['fileid'])) {
-			if ($stat['mimetype'] === 'httpd/unix-directory') {
-				return $this->rmdir($path);
-			}
-			try {
-				$this->objectStore->deleteObject($this->getURN($stat['fileid']));
-			} catch (\Exception $ex) {
-				if ($ex->getCode() !== 404) {
-					$this->logger->logException($ex, [
-						'app' => 'objectstore',
-						'message' => 'Could not delete object ' . $this->getURN($stat['fileid']) . ' for ' . $path,
-					]);
-					return false;
-				}
-				//removing from cache is ok as it does not exist in the objectstore anyway
-			}
-			$this->getCache()->remove($path);
-			return true;
-		}
-		return false;
-	}
-
-	public function stat($path) {
-		$path = $this->normalizePath($path);
-		$cacheEntry = $this->getCache()->get($path);
-		if ($cacheEntry instanceof CacheEntry) {
-			return $cacheEntry->getData();
-		} else {
-			return false;
-		}
-	}
-
-	public function getPermissions($path) {
-		$stat = $this->stat($path);
-
-		if (is_array($stat) && isset($stat['permissions'])) {
-			return $stat['permissions'];
-		}
-
-		return parent::getPermissions($path);
-	}
-
-	/**
-	 * Override this method if you need a different unique resource identifier for your object storage implementation.
-	 * The default implementations just appends the fileId to 'urn:oid:'. Make sure the URN is unique over all users.
-	 * You may need a mapping table to store your URN if it cannot be generated from the fileid.
-	 *
-	 * @param int $fileId the fileid
-	 * @return null|string the unified resource name used to identify the object
-	 */
-	public function getURN($fileId) {
-		if (is_numeric($fileId)) {
-			return $this->objectPrefix . $fileId;
-		}
-		return null;
-	}
-
-	public function opendir($path) {
-		$path = $this->normalizePath($path);
-
-		try {
-			$files = [];
-			$folderContents = $this->getCache()->getFolderContents($path);
-			foreach ($folderContents as $file) {
-				$files[] = $file['name'];
-			}
-
-			return IteratorDirectory::wrap($files);
-		} catch (\Exception $e) {
-			$this->logger->logException($e);
-			return false;
-		}
-	}
-
-	public function filetype($path) {
-		$path = $this->normalizePath($path);
-		$stat = $this->stat($path);
-		if ($stat) {
-			if ($stat['mimetype'] === 'httpd/unix-directory') {
-				return 'dir';
-			}
-			return 'file';
-		} else {
-			return false;
-		}
-	}
-
-	public function fopen($path, $mode) {
-		$path = $this->normalizePath($path);
-
-		if (strrpos($path, '.') !== false) {
-			$ext = substr($path, strrpos($path, '.'));
-		} else {
-			$ext = '';
-		}
-
-		switch ($mode) {
-			case 'r':
-			case 'rb':
-				$stat = $this->stat($path);
-				if (is_array($stat)) {
-					// Reading 0 sized files is a waste of time
-					if (isset($stat['size']) && $stat['size'] === 0) {
-						return fopen('php://memory', $mode);
-					}
-
-					try {
-						return $this->objectStore->readObject($this->getURN($stat['fileid']));
-					} catch (NotFoundException $e) {
-						$this->logger->logException($e, [
-							'app' => 'objectstore',
-							'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
-						]);
-						throw $e;
-					} catch (\Exception $ex) {
-						$this->logger->logException($ex, [
-							'app' => 'objectstore',
-							'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
-						]);
-						return false;
-					}
-				} else {
-					return false;
-				}
-			// no break
-			case 'w':
-			case 'wb':
-			case 'w+':
-			case 'wb+':
-				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
-				$handle = fopen($tmpFile, $mode);
-				return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
-					$this->writeBack($tmpFile, $path);
-				});
-			case 'a':
-			case 'ab':
-			case 'r+':
-			case 'a+':
-			case 'x':
-			case 'x+':
-			case 'c':
-			case 'c+':
-				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
-				if ($this->file_exists($path)) {
-					$source = $this->fopen($path, 'r');
-					file_put_contents($tmpFile, $source);
-				}
-				$handle = fopen($tmpFile, $mode);
-				return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
-					$this->writeBack($tmpFile, $path);
-				});
-		}
-		return false;
-	}
-
-	public function file_exists($path) {
-		$path = $this->normalizePath($path);
-		return (bool)$this->stat($path);
-	}
-
-	public function rename($source, $target) {
-		$source = $this->normalizePath($source);
-		$target = $this->normalizePath($target);
-		$this->remove($target);
-		$this->getCache()->move($source, $target);
-		$this->touch(dirname($target));
-		return true;
-	}
-
-	public function getMimeType($path) {
-		$path = $this->normalizePath($path);
-		return parent::getMimeType($path);
-	}
-
-	public function touch($path, $mtime = null) {
-		if (is_null($mtime)) {
-			$mtime = time();
-		}
-
-		$path = $this->normalizePath($path);
-		$dirName = dirname($path);
-		$parentExists = $this->is_dir($dirName);
-		if (!$parentExists) {
-			return false;
-		}
-
-		$stat = $this->stat($path);
-		if (is_array($stat)) {
-			// update existing mtime in db
-			$stat['mtime'] = $mtime;
-			$this->getCache()->update($stat['fileid'], $stat);
-		} else {
-			try {
-				//create a empty file, need to have at least on char to make it
-				// work with all object storage implementations
-				$this->file_put_contents($path, ' ');
-				$mimeType = \OC::$server->getMimeTypeDetector()->detectPath($path);
-				$stat = [
-					'etag' => $this->getETag($path),
-					'mimetype' => $mimeType,
-					'size' => 0,
-					'mtime' => $mtime,
-					'storage_mtime' => $mtime,
-					'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
-				];
-				$this->getCache()->put($path, $stat);
-			} catch (\Exception $ex) {
-				$this->logger->logException($ex, [
-					'app' => 'objectstore',
-					'message' => 'Could not create object for ' . $path,
-				]);
-				throw $ex;
-			}
-		}
-		return true;
-	}
-
-	public function writeBack($tmpFile, $path) {
-		$size = filesize($tmpFile);
-		$this->writeStream($path, fopen($tmpFile, 'r'), $size);
-	}
-
-	/**
-	 * external changes are not supported, exclusive access to the object storage is assumed
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return false
-	 */
-	public function hasUpdated($path, $time) {
-		return false;
-	}
-
-	public function needsPartFile() {
-		return false;
-	}
-
-	public function file_put_contents($path, $data) {
-		$handle = $this->fopen($path, 'w+');
-		$result = fwrite($handle, $data);
-		fclose($handle);
-		return $result;
-	}
-
-	public function writeStream(string $path, $stream, int $size = null): int {
-		$stat = $this->stat($path);
-		if (empty($stat)) {
-			// create new file
-			$stat = [
-				'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
-			];
-		}
-		// update stat with new data
-		$mTime = time();
-		$stat['size'] = (int)$size;
-		$stat['mtime'] = $mTime;
-		$stat['storage_mtime'] = $mTime;
-
-		$mimetypeDetector = \OC::$server->getMimeTypeDetector();
-		$mimetype = $mimetypeDetector->detectPath($path);
-
-		$stat['mimetype'] = $mimetype;
-		$stat['etag'] = $this->getETag($path);
-
-		$exists = $this->getCache()->inCache($path);
-		$uploadPath = $exists ? $path : $path . '.part';
-
-		if ($exists) {
-			$fileId = $stat['fileid'];
-		} else {
-			$fileId = $this->getCache()->put($uploadPath, $stat);
-		}
-
-		$urn = $this->getURN($fileId);
-		try {
-			//upload to object storage
-			if ($size === null) {
-				$countStream = CountWrapper::wrap($stream, function ($writtenSize) use ($fileId, &$size) {
-					$this->getCache()->update($fileId, [
-						'size' => $writtenSize,
-					]);
-					$size = $writtenSize;
-				});
-				$this->objectStore->writeObject($urn, $countStream);
-				if (is_resource($countStream)) {
-					fclose($countStream);
-				}
-				$stat['size'] = $size;
-			} else {
-				$this->objectStore->writeObject($urn, $stream);
-			}
-		} catch (\Exception $ex) {
-			if (!$exists) {
-				/*
+    use CopyDirectory;
+
+    /**
+     * @var \OCP\Files\ObjectStore\IObjectStore $objectStore
+     */
+    protected $objectStore;
+    /**
+     * @var string $id
+     */
+    protected $id;
+    /**
+     * @var \OC\User\User $user
+     */
+    protected $user;
+
+    private $objectPrefix = 'urn:oid:';
+
+    private $logger;
+
+    public function __construct($params) {
+        if (isset($params['objectstore']) && $params['objectstore'] instanceof IObjectStore) {
+            $this->objectStore = $params['objectstore'];
+        } else {
+            throw new \Exception('missing IObjectStore instance');
+        }
+        if (isset($params['storageid'])) {
+            $this->id = 'object::store:' . $params['storageid'];
+        } else {
+            $this->id = 'object::store:' . $this->objectStore->getStorageId();
+        }
+        if (isset($params['objectPrefix'])) {
+            $this->objectPrefix = $params['objectPrefix'];
+        }
+        //initialize cache with root directory in cache
+        if (!$this->is_dir('/')) {
+            $this->mkdir('/');
+        }
+
+        $this->logger = \OC::$server->getLogger();
+    }
+
+    public function mkdir($path) {
+        $path = $this->normalizePath($path);
+
+        if ($this->file_exists($path)) {
+            return false;
+        }
+
+        $mTime = time();
+        $data = [
+            'mimetype' => 'httpd/unix-directory',
+            'size' => 0,
+            'mtime' => $mTime,
+            'storage_mtime' => $mTime,
+            'permissions' => \OCP\Constants::PERMISSION_ALL,
+        ];
+        if ($path === '') {
+            //create root on the fly
+            $data['etag'] = $this->getETag('');
+            $this->getCache()->put('', $data);
+            return true;
+        } else {
+            // if parent does not exist, create it
+            $parent = $this->normalizePath(dirname($path));
+            $parentType = $this->filetype($parent);
+            if ($parentType === false) {
+                if (!$this->mkdir($parent)) {
+                    // something went wrong
+                    return false;
+                }
+            } elseif ($parentType === 'file') {
+                // parent is a file
+                return false;
+            }
+            // finally create the new dir
+            $mTime = time(); // update mtime
+            $data['mtime'] = $mTime;
+            $data['storage_mtime'] = $mTime;
+            $data['etag'] = $this->getETag($path);
+            $this->getCache()->put($path, $data);
+            return true;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    private function normalizePath($path) {
+        $path = trim($path, '/');
+        //FIXME why do we sometimes get a path like 'files//username'?
+        $path = str_replace('//', '/', $path);
+
+        // dirname('/folder') returns '.' but internally (in the cache) we store the root as ''
+        if (!$path || $path === '.') {
+            $path = '';
+        }
+
+        return $path;
+    }
+
+    /**
+     * Object Stores use a NoopScanner because metadata is directly stored in
+     * the file cache and cannot really scan the filesystem. The storage passed in is not used anywhere.
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
+     * @return \OC\Files\ObjectStore\NoopScanner
+     */
+    public function getScanner($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->scanner)) {
+            $this->scanner = new NoopScanner($storage);
+        }
+        return $this->scanner;
+    }
+
+    public function getId() {
+        return $this->id;
+    }
+
+    public function rmdir($path) {
+        $path = $this->normalizePath($path);
+
+        if (!$this->is_dir($path)) {
+            return false;
+        }
+
+        if (!$this->rmObjects($path)) {
+            return false;
+        }
+
+        $this->getCache()->remove($path);
+
+        return true;
+    }
+
+    private function rmObjects($path) {
+        $children = $this->getCache()->getFolderContents($path);
+        foreach ($children as $child) {
+            if ($child['mimetype'] === 'httpd/unix-directory') {
+                if (!$this->rmObjects($child['path'])) {
+                    return false;
+                }
+            } else {
+                if (!$this->unlink($child['path'])) {
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    public function unlink($path) {
+        $path = $this->normalizePath($path);
+        $stat = $this->stat($path);
+
+        if ($stat && isset($stat['fileid'])) {
+            if ($stat['mimetype'] === 'httpd/unix-directory') {
+                return $this->rmdir($path);
+            }
+            try {
+                $this->objectStore->deleteObject($this->getURN($stat['fileid']));
+            } catch (\Exception $ex) {
+                if ($ex->getCode() !== 404) {
+                    $this->logger->logException($ex, [
+                        'app' => 'objectstore',
+                        'message' => 'Could not delete object ' . $this->getURN($stat['fileid']) . ' for ' . $path,
+                    ]);
+                    return false;
+                }
+                //removing from cache is ok as it does not exist in the objectstore anyway
+            }
+            $this->getCache()->remove($path);
+            return true;
+        }
+        return false;
+    }
+
+    public function stat($path) {
+        $path = $this->normalizePath($path);
+        $cacheEntry = $this->getCache()->get($path);
+        if ($cacheEntry instanceof CacheEntry) {
+            return $cacheEntry->getData();
+        } else {
+            return false;
+        }
+    }
+
+    public function getPermissions($path) {
+        $stat = $this->stat($path);
+
+        if (is_array($stat) && isset($stat['permissions'])) {
+            return $stat['permissions'];
+        }
+
+        return parent::getPermissions($path);
+    }
+
+    /**
+     * Override this method if you need a different unique resource identifier for your object storage implementation.
+     * The default implementations just appends the fileId to 'urn:oid:'. Make sure the URN is unique over all users.
+     * You may need a mapping table to store your URN if it cannot be generated from the fileid.
+     *
+     * @param int $fileId the fileid
+     * @return null|string the unified resource name used to identify the object
+     */
+    public function getURN($fileId) {
+        if (is_numeric($fileId)) {
+            return $this->objectPrefix . $fileId;
+        }
+        return null;
+    }
+
+    public function opendir($path) {
+        $path = $this->normalizePath($path);
+
+        try {
+            $files = [];
+            $folderContents = $this->getCache()->getFolderContents($path);
+            foreach ($folderContents as $file) {
+                $files[] = $file['name'];
+            }
+
+            return IteratorDirectory::wrap($files);
+        } catch (\Exception $e) {
+            $this->logger->logException($e);
+            return false;
+        }
+    }
+
+    public function filetype($path) {
+        $path = $this->normalizePath($path);
+        $stat = $this->stat($path);
+        if ($stat) {
+            if ($stat['mimetype'] === 'httpd/unix-directory') {
+                return 'dir';
+            }
+            return 'file';
+        } else {
+            return false;
+        }
+    }
+
+    public function fopen($path, $mode) {
+        $path = $this->normalizePath($path);
+
+        if (strrpos($path, '.') !== false) {
+            $ext = substr($path, strrpos($path, '.'));
+        } else {
+            $ext = '';
+        }
+
+        switch ($mode) {
+            case 'r':
+            case 'rb':
+                $stat = $this->stat($path);
+                if (is_array($stat)) {
+                    // Reading 0 sized files is a waste of time
+                    if (isset($stat['size']) && $stat['size'] === 0) {
+                        return fopen('php://memory', $mode);
+                    }
+
+                    try {
+                        return $this->objectStore->readObject($this->getURN($stat['fileid']));
+                    } catch (NotFoundException $e) {
+                        $this->logger->logException($e, [
+                            'app' => 'objectstore',
+                            'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
+                        ]);
+                        throw $e;
+                    } catch (\Exception $ex) {
+                        $this->logger->logException($ex, [
+                            'app' => 'objectstore',
+                            'message' => 'Could not get object ' . $this->getURN($stat['fileid']) . ' for file ' . $path,
+                        ]);
+                        return false;
+                    }
+                } else {
+                    return false;
+                }
+            // no break
+            case 'w':
+            case 'wb':
+            case 'w+':
+            case 'wb+':
+                $tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
+                $handle = fopen($tmpFile, $mode);
+                return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
+                    $this->writeBack($tmpFile, $path);
+                });
+            case 'a':
+            case 'ab':
+            case 'r+':
+            case 'a+':
+            case 'x':
+            case 'x+':
+            case 'c':
+            case 'c+':
+                $tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
+                if ($this->file_exists($path)) {
+                    $source = $this->fopen($path, 'r');
+                    file_put_contents($tmpFile, $source);
+                }
+                $handle = fopen($tmpFile, $mode);
+                return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
+                    $this->writeBack($tmpFile, $path);
+                });
+        }
+        return false;
+    }
+
+    public function file_exists($path) {
+        $path = $this->normalizePath($path);
+        return (bool)$this->stat($path);
+    }
+
+    public function rename($source, $target) {
+        $source = $this->normalizePath($source);
+        $target = $this->normalizePath($target);
+        $this->remove($target);
+        $this->getCache()->move($source, $target);
+        $this->touch(dirname($target));
+        return true;
+    }
+
+    public function getMimeType($path) {
+        $path = $this->normalizePath($path);
+        return parent::getMimeType($path);
+    }
+
+    public function touch($path, $mtime = null) {
+        if (is_null($mtime)) {
+            $mtime = time();
+        }
+
+        $path = $this->normalizePath($path);
+        $dirName = dirname($path);
+        $parentExists = $this->is_dir($dirName);
+        if (!$parentExists) {
+            return false;
+        }
+
+        $stat = $this->stat($path);
+        if (is_array($stat)) {
+            // update existing mtime in db
+            $stat['mtime'] = $mtime;
+            $this->getCache()->update($stat['fileid'], $stat);
+        } else {
+            try {
+                //create a empty file, need to have at least on char to make it
+                // work with all object storage implementations
+                $this->file_put_contents($path, ' ');
+                $mimeType = \OC::$server->getMimeTypeDetector()->detectPath($path);
+                $stat = [
+                    'etag' => $this->getETag($path),
+                    'mimetype' => $mimeType,
+                    'size' => 0,
+                    'mtime' => $mtime,
+                    'storage_mtime' => $mtime,
+                    'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
+                ];
+                $this->getCache()->put($path, $stat);
+            } catch (\Exception $ex) {
+                $this->logger->logException($ex, [
+                    'app' => 'objectstore',
+                    'message' => 'Could not create object for ' . $path,
+                ]);
+                throw $ex;
+            }
+        }
+        return true;
+    }
+
+    public function writeBack($tmpFile, $path) {
+        $size = filesize($tmpFile);
+        $this->writeStream($path, fopen($tmpFile, 'r'), $size);
+    }
+
+    /**
+     * external changes are not supported, exclusive access to the object storage is assumed
+     *
+     * @param string $path
+     * @param int $time
+     * @return false
+     */
+    public function hasUpdated($path, $time) {
+        return false;
+    }
+
+    public function needsPartFile() {
+        return false;
+    }
+
+    public function file_put_contents($path, $data) {
+        $handle = $this->fopen($path, 'w+');
+        $result = fwrite($handle, $data);
+        fclose($handle);
+        return $result;
+    }
+
+    public function writeStream(string $path, $stream, int $size = null): int {
+        $stat = $this->stat($path);
+        if (empty($stat)) {
+            // create new file
+            $stat = [
+                'permissions' => \OCP\Constants::PERMISSION_ALL - \OCP\Constants::PERMISSION_CREATE,
+            ];
+        }
+        // update stat with new data
+        $mTime = time();
+        $stat['size'] = (int)$size;
+        $stat['mtime'] = $mTime;
+        $stat['storage_mtime'] = $mTime;
+
+        $mimetypeDetector = \OC::$server->getMimeTypeDetector();
+        $mimetype = $mimetypeDetector->detectPath($path);
+
+        $stat['mimetype'] = $mimetype;
+        $stat['etag'] = $this->getETag($path);
+
+        $exists = $this->getCache()->inCache($path);
+        $uploadPath = $exists ? $path : $path . '.part';
+
+        if ($exists) {
+            $fileId = $stat['fileid'];
+        } else {
+            $fileId = $this->getCache()->put($uploadPath, $stat);
+        }
+
+        $urn = $this->getURN($fileId);
+        try {
+            //upload to object storage
+            if ($size === null) {
+                $countStream = CountWrapper::wrap($stream, function ($writtenSize) use ($fileId, &$size) {
+                    $this->getCache()->update($fileId, [
+                        'size' => $writtenSize,
+                    ]);
+                    $size = $writtenSize;
+                });
+                $this->objectStore->writeObject($urn, $countStream);
+                if (is_resource($countStream)) {
+                    fclose($countStream);
+                }
+                $stat['size'] = $size;
+            } else {
+                $this->objectStore->writeObject($urn, $stream);
+            }
+        } catch (\Exception $ex) {
+            if (!$exists) {
+                /*
 				 * Only remove the entry if we are dealing with a new file.
 				 * Else people lose access to existing files
 				 */
-				$this->getCache()->remove($uploadPath);
-				$this->logger->logException($ex, [
-					'app' => 'objectstore',
-					'message' => 'Could not create object ' . $urn . ' for ' . $path,
-				]);
-			} else {
-				$this->logger->logException($ex, [
-					'app' => 'objectstore',
-					'message' => 'Could not update object ' . $urn . ' for ' . $path,
-				]);
-			}
-			throw $ex; // make this bubble up
-		}
-
-		if ($exists) {
-			$this->getCache()->update($fileId, $stat);
-		} else {
-			if ($this->objectStore->objectExists($urn)) {
-				$this->getCache()->move($uploadPath, $path);
-			} else {
-				$this->getCache()->remove($uploadPath);
-				throw new \Exception("Object not found after writing (urn: $urn, path: $path)", 404);
-			}
-		}
-
-		return $size;
-	}
-
-	public function getObjectStore(): IObjectStore {
-		return $this->objectStore;
-	}
-
-	public function copy($path1, $path2) {
-		$path1 = $this->normalizePath($path1);
-		$path2 = $this->normalizePath($path2);
-
-		$cache = $this->getCache();
-		$sourceEntry = $cache->get($path1);
-		if (!$sourceEntry) {
-			throw new NotFoundException('Source object not found');
-		}
-
-		$this->copyInner($sourceEntry, $path2);
-
-		return true;
-	}
-
-	private function copyInner(ICacheEntry $sourceEntry, string $to) {
-		$cache = $this->getCache();
-
-		if ($sourceEntry->getMimeType() === FileInfo::MIMETYPE_FOLDER) {
-			if ($cache->inCache($to)) {
-				$cache->remove($to);
-			}
-			$this->mkdir($to);
-
-			foreach ($cache->getFolderContentsById($sourceEntry->getId()) as $child) {
-				$this->copyInner($child, $to . '/' . $child->getName());
-			}
-		} else {
-			$this->copyFile($sourceEntry, $to);
-		}
-	}
-
-	private function copyFile(ICacheEntry $sourceEntry, string $to) {
-		$cache = $this->getCache();
-
-		$sourceUrn = $this->getURN($sourceEntry->getId());
-
-		$cache->copyFromCache($cache, $sourceEntry, $to);
-		$targetEntry = $cache->get($to);
-
-		if (!$targetEntry) {
-			throw new \Exception('Target not in cache after copy');
-		}
-
-		$targetUrn = $this->getURN($targetEntry->getId());
-
-		try {
-			$this->objectStore->copyObject($sourceUrn, $targetUrn);
-		} catch (\Exception $e) {
-			$cache->remove($to);
-
-			throw $e;
-		}
-	}
+                $this->getCache()->remove($uploadPath);
+                $this->logger->logException($ex, [
+                    'app' => 'objectstore',
+                    'message' => 'Could not create object ' . $urn . ' for ' . $path,
+                ]);
+            } else {
+                $this->logger->logException($ex, [
+                    'app' => 'objectstore',
+                    'message' => 'Could not update object ' . $urn . ' for ' . $path,
+                ]);
+            }
+            throw $ex; // make this bubble up
+        }
+
+        if ($exists) {
+            $this->getCache()->update($fileId, $stat);
+        } else {
+            if ($this->objectStore->objectExists($urn)) {
+                $this->getCache()->move($uploadPath, $path);
+            } else {
+                $this->getCache()->remove($uploadPath);
+                throw new \Exception("Object not found after writing (urn: $urn, path: $path)", 404);
+            }
+        }
+
+        return $size;
+    }
+
+    public function getObjectStore(): IObjectStore {
+        return $this->objectStore;
+    }
+
+    public function copy($path1, $path2) {
+        $path1 = $this->normalizePath($path1);
+        $path2 = $this->normalizePath($path2);
+
+        $cache = $this->getCache();
+        $sourceEntry = $cache->get($path1);
+        if (!$sourceEntry) {
+            throw new NotFoundException('Source object not found');
+        }
+
+        $this->copyInner($sourceEntry, $path2);
+
+        return true;
+    }
+
+    private function copyInner(ICacheEntry $sourceEntry, string $to) {
+        $cache = $this->getCache();
+
+        if ($sourceEntry->getMimeType() === FileInfo::MIMETYPE_FOLDER) {
+            if ($cache->inCache($to)) {
+                $cache->remove($to);
+            }
+            $this->mkdir($to);
+
+            foreach ($cache->getFolderContentsById($sourceEntry->getId()) as $child) {
+                $this->copyInner($child, $to . '/' . $child->getName());
+            }
+        } else {
+            $this->copyFile($sourceEntry, $to);
+        }
+    }
+
+    private function copyFile(ICacheEntry $sourceEntry, string $to) {
+        $cache = $this->getCache();
+
+        $sourceUrn = $this->getURN($sourceEntry->getId());
+
+        $cache->copyFromCache($cache, $sourceEntry, $to);
+        $targetEntry = $cache->get($to);
+
+        if (!$targetEntry) {
+            throw new \Exception('Target not in cache after copy');
+        }
+
+        $targetUrn = $this->getURN($targetEntry->getId());
+
+        try {
+            $this->objectStore->copyObject($sourceUrn, $targetUrn);
+        } catch (\Exception $e) {
+            $cache->remove($to);
+
+            throw $e;
+        }
+    }
 }

lib/private/Files/Storage/Local.php

Indentation +510 added lines, -510 removed lines

@@ -54,514 +54,514 @@
  * for local filestore, we only have to map the paths
  */
 class Local extends \OC\Files\Storage\Common {
-	protected $datadir;
-
-	protected $dataDirLength;
-
-	protected $allowSymlinks = false;
-
-	protected $realDataDir;
-
-	public function __construct($arguments) {
-		if (!isset($arguments['datadir']) || !is_string($arguments['datadir'])) {
-			throw new \InvalidArgumentException('No data directory set for local storage');
-		}
-		$this->datadir = str_replace('//', '/', $arguments['datadir']);
-		// some crazy code uses a local storage on root...
-		if ($this->datadir === '/') {
-			$this->realDataDir = $this->datadir;
-		} else {
-			$realPath = realpath($this->datadir) ?: $this->datadir;
-			$this->realDataDir = rtrim($realPath, '/') . '/';
-		}
-		if (substr($this->datadir, -1) !== '/') {
-			$this->datadir .= '/';
-		}
-		$this->dataDirLength = strlen($this->realDataDir);
-	}
-
-	public function __destruct() {
-	}
-
-	public function getId() {
-		return 'local::' . $this->datadir;
-	}
-
-	public function mkdir($path) {
-		return @mkdir($this->getSourcePath($path), 0777, true);
-	}
-
-	public function rmdir($path) {
-		if (!$this->isDeletable($path)) {
-			return false;
-		}
-		try {
-			$it = new \RecursiveIteratorIterator(
-				new \RecursiveDirectoryIterator($this->getSourcePath($path)),
-				\RecursiveIteratorIterator::CHILD_FIRST
-			);
-			/**
-			 * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
-			 * This bug is fixed in PHP 5.5.9 or before
-			 * See #8376
-			 */
-			$it->rewind();
-			while ($it->valid()) {
-				/**
-				 * @var \SplFileInfo $file
-				 */
-				$file = $it->current();
-				clearstatcache(true, $this->getSourcePath($file));
-				if (in_array($file->getBasename(), ['.', '..'])) {
-					$it->next();
-					continue;
-				} elseif ($file->isDir()) {
-					rmdir($file->getPathname());
-				} elseif ($file->isFile() || $file->isLink()) {
-					unlink($file->getPathname());
-				}
-				$it->next();
-			}
-			clearstatcache(true, $this->getSourcePath($path));
-			return rmdir($this->getSourcePath($path));
-		} catch (\UnexpectedValueException $e) {
-			return false;
-		}
-	}
-
-	public function opendir($path) {
-		return opendir($this->getSourcePath($path));
-	}
-
-	public function is_dir($path) {
-		if (substr($path, -1) == '/') {
-			$path = substr($path, 0, -1);
-		}
-		return is_dir($this->getSourcePath($path));
-	}
-
-	public function is_file($path) {
-		return is_file($this->getSourcePath($path));
-	}
-
-	public function stat($path) {
-		$fullPath = $this->getSourcePath($path);
-		clearstatcache(true, $fullPath);
-		$statResult = @stat($fullPath);
-		if (PHP_INT_SIZE === 4 && $statResult && !$this->is_dir($path)) {
-			$filesize = $this->filesize($path);
-			$statResult['size'] = $filesize;
-			$statResult[7] = $filesize;
-		}
-		return $statResult;
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	public function getMetaData($path) {
-		$stat = $this->stat($path);
-		if (!$stat) {
-			return null;
-		}
-
-		$permissions = Constants::PERMISSION_SHARE;
-		$statPermissions = $stat['mode'];
-		$isDir = ($statPermissions & 0x4000) === 0x4000;
-		if ($statPermissions & 0x0100) {
-			$permissions += Constants::PERMISSION_READ;
-		}
-		if ($statPermissions & 0x0080) {
-			$permissions += Constants::PERMISSION_UPDATE;
-			if ($isDir) {
-				$permissions += Constants::PERMISSION_CREATE;
-			}
-		}
-
-		if (!($path === '' || $path === '/')) { // deletable depends on the parents unix permissions
-			$fullPath = $this->getSourcePath($path);
-			$parent = dirname($fullPath);
-			if (is_writable($parent)) {
-				$permissions += Constants::PERMISSION_DELETE;
-			}
-		}
-
-		$data = [];
-		$data['mimetype'] = $isDir ? 'httpd/unix-directory' : \OC::$server->getMimeTypeDetector()->detectPath($path);
-		$data['mtime'] = $stat['mtime'];
-		if ($data['mtime'] === false) {
-			$data['mtime'] = time();
-		}
-		if ($isDir) {
-			$data['size'] = -1; //unknown
-		} else {
-			$data['size'] = $stat['size'];
-		}
-		$data['etag'] = $this->calculateEtag($path, $stat);
-		$data['storage_mtime'] = $data['mtime'];
-		$data['permissions'] = $permissions;
-		$data['name'] = basename($path);
-
-		return $data;
-	}
-
-	public function filetype($path) {
-		$filetype = filetype($this->getSourcePath($path));
-		if ($filetype == 'link') {
-			$filetype = filetype(realpath($this->getSourcePath($path)));
-		}
-		return $filetype;
-	}
-
-	public function filesize($path) {
-		if ($this->is_dir($path)) {
-			return 0;
-		}
-		$fullPath = $this->getSourcePath($path);
-		if (PHP_INT_SIZE === 4) {
-			$helper = new \OC\LargeFileHelper;
-			return $helper->getFileSize($fullPath);
-		}
-		return filesize($fullPath);
-	}
-
-	public function isReadable($path) {
-		return is_readable($this->getSourcePath($path));
-	}
-
-	public function isUpdatable($path) {
-		return is_writable($this->getSourcePath($path));
-	}
-
-	public function file_exists($path) {
-		return file_exists($this->getSourcePath($path));
-	}
-
-	public function filemtime($path) {
-		$fullPath = $this->getSourcePath($path);
-		clearstatcache(true, $fullPath);
-		if (!$this->file_exists($path)) {
-			return false;
-		}
-		if (PHP_INT_SIZE === 4) {
-			$helper = new \OC\LargeFileHelper();
-			return $helper->getFileMtime($fullPath);
-		}
-		return filemtime($fullPath);
-	}
-
-	public function touch($path, $mtime = null) {
-		// sets the modification time of the file to the given value.
-		// If mtime is nil the current time is set.
-		// note that the access time of the file always changes to the current time.
-		if ($this->file_exists($path) and !$this->isUpdatable($path)) {
-			return false;
-		}
-		if (!is_null($mtime)) {
-			$result = @touch($this->getSourcePath($path), $mtime);
-		} else {
-			$result = @touch($this->getSourcePath($path));
-		}
-		if ($result) {
-			clearstatcache(true, $this->getSourcePath($path));
-		}
-
-		return $result;
-	}
-
-	public function file_get_contents($path) {
-		return file_get_contents($this->getSourcePath($path));
-	}
-
-	public function file_put_contents($path, $data) {
-		return file_put_contents($this->getSourcePath($path), $data);
-	}
-
-	public function unlink($path) {
-		if ($this->is_dir($path)) {
-			return $this->rmdir($path);
-		} elseif ($this->is_file($path)) {
-			return unlink($this->getSourcePath($path));
-		} else {
-			return false;
-		}
-	}
-
-	private function treeContainsBlacklistedFile(string $path): bool {
-		$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path));
-		foreach ($iterator as $file) {
-			/** @var \SplFileInfo $file */
-			if (Filesystem::isFileBlacklisted($file->getBasename())) {
-				return true;
-			}
-		}
-
-		return false;
-	}
-
-	public function rename($path1, $path2) {
-		$srcParent = dirname($path1);
-		$dstParent = dirname($path2);
-
-		if (!$this->isUpdatable($srcParent)) {
-			\OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, ILogger::ERROR);
-			return false;
-		}
-
-		if (!$this->isUpdatable($dstParent)) {
-			\OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, ILogger::ERROR);
-			return false;
-		}
-
-		if (!$this->file_exists($path1)) {
-			\OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, ILogger::ERROR);
-			return false;
-		}
-
-		if ($this->is_dir($path2)) {
-			$this->rmdir($path2);
-		} elseif ($this->is_file($path2)) {
-			$this->unlink($path2);
-		}
-
-		if ($this->is_dir($path1)) {
-			// we can't move folders across devices, use copy instead
-			$stat1 = stat(dirname($this->getSourcePath($path1)));
-			$stat2 = stat(dirname($this->getSourcePath($path2)));
-			if ($stat1['dev'] !== $stat2['dev']) {
-				$result = $this->copy($path1, $path2);
-				if ($result) {
-					$result &= $this->rmdir($path1);
-				}
-				return $result;
-			}
-
-			if ($this->treeContainsBlacklistedFile($this->getSourcePath($path1))) {
-				throw new ForbiddenException('Invalid path', false);
-			}
-		}
-
-		return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
-	}
-
-	public function copy($path1, $path2) {
-		if ($this->is_dir($path1)) {
-			return parent::copy($path1, $path2);
-		} else {
-			return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
-		}
-	}
-
-	public function fopen($path, $mode) {
-		return fopen($this->getSourcePath($path), $mode);
-	}
-
-	public function hash($type, $path, $raw = false) {
-		return hash_file($type, $this->getSourcePath($path), $raw);
-	}
-
-	public function free_space($path) {
-		$sourcePath = $this->getSourcePath($path);
-		// using !is_dir because $sourcePath might be a part file or
-		// non-existing file, so we'd still want to use the parent dir
-		// in such cases
-		if (!is_dir($sourcePath)) {
-			// disk_free_space doesn't work on files
-			$sourcePath = dirname($sourcePath);
-		}
-		$space = @disk_free_space($sourcePath);
-		if ($space === false || is_null($space)) {
-			return \OCP\Files\FileInfo::SPACE_UNKNOWN;
-		}
-		return $space;
-	}
-
-	public function search($query) {
-		return $this->searchInDir($query);
-	}
-
-	public function getLocalFile($path) {
-		return $this->getSourcePath($path);
-	}
-
-	public function getLocalFolder($path) {
-		return $this->getSourcePath($path);
-	}
-
-	/**
-	 * @param string $query
-	 * @param string $dir
-	 * @return array
-	 */
-	protected function searchInDir($query, $dir = '') {
-		$files = [];
-		$physicalDir = $this->getSourcePath($dir);
-		foreach (scandir($physicalDir) as $item) {
-			if (\OC\Files\Filesystem::isIgnoredDir($item)) {
-				continue;
-			}
-			$physicalItem = $physicalDir . '/' . $item;
-
-			if (strstr(strtolower($item), strtolower($query)) !== false) {
-				$files[] = $dir . '/' . $item;
-			}
-			if (is_dir($physicalItem)) {
-				$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
-			}
-		}
-		return $files;
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 */
-	public function hasUpdated($path, $time) {
-		if ($this->file_exists($path)) {
-			return $this->filemtime($path) > $time;
-		} else {
-			return true;
-		}
-	}
-
-	/**
-	 * Get the source path (on disk) of a given path
-	 *
-	 * @param string $path
-	 * @return string
-	 * @throws ForbiddenException
-	 */
-	public function getSourcePath($path) {
-		if (Filesystem::isFileBlacklisted($path)) {
-			throw new ForbiddenException('Invalid path', false);
-		}
-
-		$fullPath = $this->datadir . $path;
-		$currentPath = $path;
-		if ($this->allowSymlinks || $currentPath === '') {
-			return $fullPath;
-		}
-		$pathToResolve = $fullPath;
-		$realPath = realpath($pathToResolve);
-		while ($realPath === false) { // for non existing files check the parent directory
-			$currentPath = dirname($currentPath);
-			if ($currentPath === '' || $currentPath === '.') {
-				return $fullPath;
-			}
-			$realPath = realpath($this->datadir . $currentPath);
-		}
-		if ($realPath) {
-			$realPath = $realPath . '/';
-		}
-		if (substr($realPath, 0, $this->dataDirLength) === $this->realDataDir) {
-			return $fullPath;
-		}
-
-		\OCP\Util::writeLog('core', "Following symlinks is not allowed ('$fullPath' -> '$realPath' not inside '{$this->realDataDir}')", ILogger::ERROR);
-		throw new ForbiddenException('Following symlinks is not allowed', false);
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function isLocal() {
-		return true;
-	}
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getETag($path) {
-		return $this->calculateEtag($path, $this->stat($path));
-	}
-
-	private function calculateEtag(string $path, array $stat): string {
-		if ($stat['mode'] & 0x4000) { // is_dir
-			return parent::getETag($path);
-		} else {
-			if ($stat === false) {
-				return md5('');
-			}
-
-			$toHash = '';
-			if (isset($stat['mtime'])) {
-				$toHash .= $stat['mtime'];
-			}
-			if (isset($stat['ino'])) {
-				$toHash .= $stat['ino'];
-			}
-			if (isset($stat['dev'])) {
-				$toHash .= $stat['dev'];
-			}
-			if (isset($stat['size'])) {
-				$toHash .= $stat['size'];
-			}
-
-			return md5($toHash);
-		}
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @param bool $preserveMtime
-	 * @return bool
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
-		if ($sourceStorage->instanceOfStorage(Local::class)) {
-			if ($sourceStorage->instanceOfStorage(Jail::class)) {
-				/**
-				 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
-				 */
-				$sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
-			}
-			/**
-			 * @var \OC\Files\Storage\Local $sourceStorage
-			 */
-			$rootStorage = new Local(['datadir' => '/']);
-			return $rootStorage->copy($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
-		} else {
-			return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		}
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($sourceStorage->instanceOfStorage(Local::class)) {
-			if ($sourceStorage->instanceOfStorage(Jail::class)) {
-				/**
-				 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
-				 */
-				$sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
-			}
-			/**
-			 * @var \OC\Files\Storage\Local $sourceStorage
-			 */
-			$rootStorage = new Local(['datadir' => '/']);
-			return $rootStorage->rename($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
-		} else {
-			return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		}
-	}
-
-	public function writeStream(string $path, $stream, int $size = null): int {
-		$result = $this->file_put_contents($path, $stream);
-		if ($result === false) {
-			throw new GenericFileException("Failed write steam to $path");
-		} else {
-			return $result;
-		}
-	}
+    protected $datadir;
+
+    protected $dataDirLength;
+
+    protected $allowSymlinks = false;
+
+    protected $realDataDir;
+
+    public function __construct($arguments) {
+        if (!isset($arguments['datadir']) || !is_string($arguments['datadir'])) {
+            throw new \InvalidArgumentException('No data directory set for local storage');
+        }
+        $this->datadir = str_replace('//', '/', $arguments['datadir']);
+        // some crazy code uses a local storage on root...
+        if ($this->datadir === '/') {
+            $this->realDataDir = $this->datadir;
+        } else {
+            $realPath = realpath($this->datadir) ?: $this->datadir;
+            $this->realDataDir = rtrim($realPath, '/') . '/';
+        }
+        if (substr($this->datadir, -1) !== '/') {
+            $this->datadir .= '/';
+        }
+        $this->dataDirLength = strlen($this->realDataDir);
+    }
+
+    public function __destruct() {
+    }
+
+    public function getId() {
+        return 'local::' . $this->datadir;
+    }
+
+    public function mkdir($path) {
+        return @mkdir($this->getSourcePath($path), 0777, true);
+    }
+
+    public function rmdir($path) {
+        if (!$this->isDeletable($path)) {
+            return false;
+        }
+        try {
+            $it = new \RecursiveIteratorIterator(
+                new \RecursiveDirectoryIterator($this->getSourcePath($path)),
+                \RecursiveIteratorIterator::CHILD_FIRST
+            );
+            /**
+             * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
+             * This bug is fixed in PHP 5.5.9 or before
+             * See #8376
+             */
+            $it->rewind();
+            while ($it->valid()) {
+                /**
+                 * @var \SplFileInfo $file
+                 */
+                $file = $it->current();
+                clearstatcache(true, $this->getSourcePath($file));
+                if (in_array($file->getBasename(), ['.', '..'])) {
+                    $it->next();
+                    continue;
+                } elseif ($file->isDir()) {
+                    rmdir($file->getPathname());
+                } elseif ($file->isFile() || $file->isLink()) {
+                    unlink($file->getPathname());
+                }
+                $it->next();
+            }
+            clearstatcache(true, $this->getSourcePath($path));
+            return rmdir($this->getSourcePath($path));
+        } catch (\UnexpectedValueException $e) {
+            return false;
+        }
+    }
+
+    public function opendir($path) {
+        return opendir($this->getSourcePath($path));
+    }
+
+    public function is_dir($path) {
+        if (substr($path, -1) == '/') {
+            $path = substr($path, 0, -1);
+        }
+        return is_dir($this->getSourcePath($path));
+    }
+
+    public function is_file($path) {
+        return is_file($this->getSourcePath($path));
+    }
+
+    public function stat($path) {
+        $fullPath = $this->getSourcePath($path);
+        clearstatcache(true, $fullPath);
+        $statResult = @stat($fullPath);
+        if (PHP_INT_SIZE === 4 && $statResult && !$this->is_dir($path)) {
+            $filesize = $this->filesize($path);
+            $statResult['size'] = $filesize;
+            $statResult[7] = $filesize;
+        }
+        return $statResult;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getMetaData($path) {
+        $stat = $this->stat($path);
+        if (!$stat) {
+            return null;
+        }
+
+        $permissions = Constants::PERMISSION_SHARE;
+        $statPermissions = $stat['mode'];
+        $isDir = ($statPermissions & 0x4000) === 0x4000;
+        if ($statPermissions & 0x0100) {
+            $permissions += Constants::PERMISSION_READ;
+        }
+        if ($statPermissions & 0x0080) {
+            $permissions += Constants::PERMISSION_UPDATE;
+            if ($isDir) {
+                $permissions += Constants::PERMISSION_CREATE;
+            }
+        }
+
+        if (!($path === '' || $path === '/')) { // deletable depends on the parents unix permissions
+            $fullPath = $this->getSourcePath($path);
+            $parent = dirname($fullPath);
+            if (is_writable($parent)) {
+                $permissions += Constants::PERMISSION_DELETE;
+            }
+        }
+
+        $data = [];
+        $data['mimetype'] = $isDir ? 'httpd/unix-directory' : \OC::$server->getMimeTypeDetector()->detectPath($path);
+        $data['mtime'] = $stat['mtime'];
+        if ($data['mtime'] === false) {
+            $data['mtime'] = time();
+        }
+        if ($isDir) {
+            $data['size'] = -1; //unknown
+        } else {
+            $data['size'] = $stat['size'];
+        }
+        $data['etag'] = $this->calculateEtag($path, $stat);
+        $data['storage_mtime'] = $data['mtime'];
+        $data['permissions'] = $permissions;
+        $data['name'] = basename($path);
+
+        return $data;
+    }
+
+    public function filetype($path) {
+        $filetype = filetype($this->getSourcePath($path));
+        if ($filetype == 'link') {
+            $filetype = filetype(realpath($this->getSourcePath($path)));
+        }
+        return $filetype;
+    }
+
+    public function filesize($path) {
+        if ($this->is_dir($path)) {
+            return 0;
+        }
+        $fullPath = $this->getSourcePath($path);
+        if (PHP_INT_SIZE === 4) {
+            $helper = new \OC\LargeFileHelper;
+            return $helper->getFileSize($fullPath);
+        }
+        return filesize($fullPath);
+    }
+
+    public function isReadable($path) {
+        return is_readable($this->getSourcePath($path));
+    }
+
+    public function isUpdatable($path) {
+        return is_writable($this->getSourcePath($path));
+    }
+
+    public function file_exists($path) {
+        return file_exists($this->getSourcePath($path));
+    }
+
+    public function filemtime($path) {
+        $fullPath = $this->getSourcePath($path);
+        clearstatcache(true, $fullPath);
+        if (!$this->file_exists($path)) {
+            return false;
+        }
+        if (PHP_INT_SIZE === 4) {
+            $helper = new \OC\LargeFileHelper();
+            return $helper->getFileMtime($fullPath);
+        }
+        return filemtime($fullPath);
+    }
+
+    public function touch($path, $mtime = null) {
+        // sets the modification time of the file to the given value.
+        // If mtime is nil the current time is set.
+        // note that the access time of the file always changes to the current time.
+        if ($this->file_exists($path) and !$this->isUpdatable($path)) {
+            return false;
+        }
+        if (!is_null($mtime)) {
+            $result = @touch($this->getSourcePath($path), $mtime);
+        } else {
+            $result = @touch($this->getSourcePath($path));
+        }
+        if ($result) {
+            clearstatcache(true, $this->getSourcePath($path));
+        }
+
+        return $result;
+    }
+
+    public function file_get_contents($path) {
+        return file_get_contents($this->getSourcePath($path));
+    }
+
+    public function file_put_contents($path, $data) {
+        return file_put_contents($this->getSourcePath($path), $data);
+    }
+
+    public function unlink($path) {
+        if ($this->is_dir($path)) {
+            return $this->rmdir($path);
+        } elseif ($this->is_file($path)) {
+            return unlink($this->getSourcePath($path));
+        } else {
+            return false;
+        }
+    }
+
+    private function treeContainsBlacklistedFile(string $path): bool {
+        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path));
+        foreach ($iterator as $file) {
+            /** @var \SplFileInfo $file */
+            if (Filesystem::isFileBlacklisted($file->getBasename())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public function rename($path1, $path2) {
+        $srcParent = dirname($path1);
+        $dstParent = dirname($path2);
+
+        if (!$this->isUpdatable($srcParent)) {
+            \OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, ILogger::ERROR);
+            return false;
+        }
+
+        if (!$this->isUpdatable($dstParent)) {
+            \OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, ILogger::ERROR);
+            return false;
+        }
+
+        if (!$this->file_exists($path1)) {
+            \OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, ILogger::ERROR);
+            return false;
+        }
+
+        if ($this->is_dir($path2)) {
+            $this->rmdir($path2);
+        } elseif ($this->is_file($path2)) {
+            $this->unlink($path2);
+        }
+
+        if ($this->is_dir($path1)) {
+            // we can't move folders across devices, use copy instead
+            $stat1 = stat(dirname($this->getSourcePath($path1)));
+            $stat2 = stat(dirname($this->getSourcePath($path2)));
+            if ($stat1['dev'] !== $stat2['dev']) {
+                $result = $this->copy($path1, $path2);
+                if ($result) {
+                    $result &= $this->rmdir($path1);
+                }
+                return $result;
+            }
+
+            if ($this->treeContainsBlacklistedFile($this->getSourcePath($path1))) {
+                throw new ForbiddenException('Invalid path', false);
+            }
+        }
+
+        return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
+    }
+
+    public function copy($path1, $path2) {
+        if ($this->is_dir($path1)) {
+            return parent::copy($path1, $path2);
+        } else {
+            return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
+        }
+    }
+
+    public function fopen($path, $mode) {
+        return fopen($this->getSourcePath($path), $mode);
+    }
+
+    public function hash($type, $path, $raw = false) {
+        return hash_file($type, $this->getSourcePath($path), $raw);
+    }
+
+    public function free_space($path) {
+        $sourcePath = $this->getSourcePath($path);
+        // using !is_dir because $sourcePath might be a part file or
+        // non-existing file, so we'd still want to use the parent dir
+        // in such cases
+        if (!is_dir($sourcePath)) {
+            // disk_free_space doesn't work on files
+            $sourcePath = dirname($sourcePath);
+        }
+        $space = @disk_free_space($sourcePath);
+        if ($space === false || is_null($space)) {
+            return \OCP\Files\FileInfo::SPACE_UNKNOWN;
+        }
+        return $space;
+    }
+
+    public function search($query) {
+        return $this->searchInDir($query);
+    }
+
+    public function getLocalFile($path) {
+        return $this->getSourcePath($path);
+    }
+
+    public function getLocalFolder($path) {
+        return $this->getSourcePath($path);
+    }
+
+    /**
+     * @param string $query
+     * @param string $dir
+     * @return array
+     */
+    protected function searchInDir($query, $dir = '') {
+        $files = [];
+        $physicalDir = $this->getSourcePath($dir);
+        foreach (scandir($physicalDir) as $item) {
+            if (\OC\Files\Filesystem::isIgnoredDir($item)) {
+                continue;
+            }
+            $physicalItem = $physicalDir . '/' . $item;
+
+            if (strstr(strtolower($item), strtolower($query)) !== false) {
+                $files[] = $dir . '/' . $item;
+            }
+            if (is_dir($physicalItem)) {
+                $files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
+            }
+        }
+        return $files;
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     */
+    public function hasUpdated($path, $time) {
+        if ($this->file_exists($path)) {
+            return $this->filemtime($path) > $time;
+        } else {
+            return true;
+        }
+    }
+
+    /**
+     * Get the source path (on disk) of a given path
+     *
+     * @param string $path
+     * @return string
+     * @throws ForbiddenException
+     */
+    public function getSourcePath($path) {
+        if (Filesystem::isFileBlacklisted($path)) {
+            throw new ForbiddenException('Invalid path', false);
+        }
+
+        $fullPath = $this->datadir . $path;
+        $currentPath = $path;
+        if ($this->allowSymlinks || $currentPath === '') {
+            return $fullPath;
+        }
+        $pathToResolve = $fullPath;
+        $realPath = realpath($pathToResolve);
+        while ($realPath === false) { // for non existing files check the parent directory
+            $currentPath = dirname($currentPath);
+            if ($currentPath === '' || $currentPath === '.') {
+                return $fullPath;
+            }
+            $realPath = realpath($this->datadir . $currentPath);
+        }
+        if ($realPath) {
+            $realPath = $realPath . '/';
+        }
+        if (substr($realPath, 0, $this->dataDirLength) === $this->realDataDir) {
+            return $fullPath;
+        }
+
+        \OCP\Util::writeLog('core', "Following symlinks is not allowed ('$fullPath' -> '$realPath' not inside '{$this->realDataDir}')", ILogger::ERROR);
+        throw new ForbiddenException('Following symlinks is not allowed', false);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isLocal() {
+        return true;
+    }
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getETag($path) {
+        return $this->calculateEtag($path, $this->stat($path));
+    }
+
+    private function calculateEtag(string $path, array $stat): string {
+        if ($stat['mode'] & 0x4000) { // is_dir
+            return parent::getETag($path);
+        } else {
+            if ($stat === false) {
+                return md5('');
+            }
+
+            $toHash = '';
+            if (isset($stat['mtime'])) {
+                $toHash .= $stat['mtime'];
+            }
+            if (isset($stat['ino'])) {
+                $toHash .= $stat['ino'];
+            }
+            if (isset($stat['dev'])) {
+                $toHash .= $stat['dev'];
+            }
+            if (isset($stat['size'])) {
+                $toHash .= $stat['size'];
+            }
+
+            return md5($toHash);
+        }
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @param bool $preserveMtime
+     * @return bool
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
+        if ($sourceStorage->instanceOfStorage(Local::class)) {
+            if ($sourceStorage->instanceOfStorage(Jail::class)) {
+                /**
+                 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
+                 */
+                $sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
+            }
+            /**
+             * @var \OC\Files\Storage\Local $sourceStorage
+             */
+            $rootStorage = new Local(['datadir' => '/']);
+            return $rootStorage->copy($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
+        } else {
+            return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        }
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($sourceStorage->instanceOfStorage(Local::class)) {
+            if ($sourceStorage->instanceOfStorage(Jail::class)) {
+                /**
+                 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
+                 */
+                $sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
+            }
+            /**
+             * @var \OC\Files\Storage\Local $sourceStorage
+             */
+            $rootStorage = new Local(['datadir' => '/']);
+            return $rootStorage->rename($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
+        } else {
+            return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        }
+    }
+
+    public function writeStream(string $path, $stream, int $size = null): int {
+        $result = $this->file_put_contents($path, $stream);
+        if ($result === false) {
+            throw new GenericFileException("Failed write steam to $path");
+        } else {
+            return $result;
+        }
+    }
 }

lib/private/Files/Storage/Flysystem.php

Indentation +206 added lines, -206 removed lines

@@ -37,228 +37,228 @@
  * To use: subclass and call $this->buildFlysystem with the flysystem adapter of choice
  */
 abstract class Flysystem extends Common {
-	/**
-	 * @var Filesystem
-	 */
-	protected $flysystem;
+    /**
+     * @var Filesystem
+     */
+    protected $flysystem;
 
-	/**
-	 * @var string
-	 */
-	protected $root = '';
+    /**
+     * @var string
+     */
+    protected $root = '';
 
-	/**
-	 * Initialize the storage backend with a flyssytem adapter
-	 *
-	 * @param \League\Flysystem\AdapterInterface $adapter
-	 */
-	protected function buildFlySystem(AdapterInterface $adapter) {
-		$this->flysystem = new Filesystem($adapter);
-		$this->flysystem->addPlugin(new GetWithMetadata());
-	}
+    /**
+     * Initialize the storage backend with a flyssytem adapter
+     *
+     * @param \League\Flysystem\AdapterInterface $adapter
+     */
+    protected function buildFlySystem(AdapterInterface $adapter) {
+        $this->flysystem = new Filesystem($adapter);
+        $this->flysystem->addPlugin(new GetWithMetadata());
+    }
 
-	protected function buildPath($path) {
-		$fullPath = \OC\Files\Filesystem::normalizePath($this->root . '/' . $path);
-		return ltrim($fullPath, '/');
-	}
+    protected function buildPath($path) {
+        $fullPath = \OC\Files\Filesystem::normalizePath($this->root . '/' . $path);
+        return ltrim($fullPath, '/');
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function file_get_contents($path) {
-		return $this->flysystem->read($this->buildPath($path));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function file_get_contents($path) {
+        return $this->flysystem->read($this->buildPath($path));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function file_put_contents($path, $data) {
-		$result = $this->flysystem->put($this->buildPath($path), $data);
-		if ($result === true) {
-			return strlen($data);
-		}
-		return $result;
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function file_put_contents($path, $data) {
+        $result = $this->flysystem->put($this->buildPath($path), $data);
+        if ($result === true) {
+            return strlen($data);
+        }
+        return $result;
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function file_exists($path) {
-		return $this->flysystem->has($this->buildPath($path));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function file_exists($path) {
+        return $this->flysystem->has($this->buildPath($path));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function unlink($path) {
-		if ($this->is_dir($path)) {
-			return $this->rmdir($path);
-		}
-		try {
-			return $this->flysystem->delete($this->buildPath($path));
-		} catch (FileNotFoundException $e) {
-			return false;
-		}
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function unlink($path) {
+        if ($this->is_dir($path)) {
+            return $this->rmdir($path);
+        }
+        try {
+            return $this->flysystem->delete($this->buildPath($path));
+        } catch (FileNotFoundException $e) {
+            return false;
+        }
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function rename($source, $target) {
-		if ($this->file_exists($target)) {
-			$this->unlink($target);
-		}
-		return $this->flysystem->rename($this->buildPath($source), $this->buildPath($target));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function rename($source, $target) {
+        if ($this->file_exists($target)) {
+            $this->unlink($target);
+        }
+        return $this->flysystem->rename($this->buildPath($source), $this->buildPath($target));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function copy($source, $target) {
-		if ($this->file_exists($target)) {
-			$this->unlink($target);
-		}
-		return $this->flysystem->copy($this->buildPath($source), $this->buildPath($target));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function copy($source, $target) {
+        if ($this->file_exists($target)) {
+            $this->unlink($target);
+        }
+        return $this->flysystem->copy($this->buildPath($source), $this->buildPath($target));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function filesize($path) {
-		if ($this->is_dir($path)) {
-			return 0;
-		} else {
-			return $this->flysystem->getSize($this->buildPath($path));
-		}
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function filesize($path) {
+        if ($this->is_dir($path)) {
+            return 0;
+        } else {
+            return $this->flysystem->getSize($this->buildPath($path));
+        }
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function mkdir($path) {
-		if ($this->file_exists($path)) {
-			return false;
-		}
-		return $this->flysystem->createDir($this->buildPath($path));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function mkdir($path) {
+        if ($this->file_exists($path)) {
+            return false;
+        }
+        return $this->flysystem->createDir($this->buildPath($path));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function filemtime($path) {
-		return $this->flysystem->getTimestamp($this->buildPath($path));
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function filemtime($path) {
+        return $this->flysystem->getTimestamp($this->buildPath($path));
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function rmdir($path) {
-		try {
-			return @$this->flysystem->deleteDir($this->buildPath($path));
-		} catch (FileNotFoundException $e) {
-			return false;
-		}
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function rmdir($path) {
+        try {
+            return @$this->flysystem->deleteDir($this->buildPath($path));
+        } catch (FileNotFoundException $e) {
+            return false;
+        }
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function opendir($path) {
-		try {
-			$content = $this->flysystem->listContents($this->buildPath($path));
-		} catch (FileNotFoundException $e) {
-			return false;
-		}
-		$names = array_map(function ($object) {
-			return $object['basename'];
-		}, $content);
-		return IteratorDirectory::wrap($names);
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function opendir($path) {
+        try {
+            $content = $this->flysystem->listContents($this->buildPath($path));
+        } catch (FileNotFoundException $e) {
+            return false;
+        }
+        $names = array_map(function ($object) {
+            return $object['basename'];
+        }, $content);
+        return IteratorDirectory::wrap($names);
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function fopen($path, $mode) {
-		$fullPath = $this->buildPath($path);
-		$useExisting = true;
-		switch ($mode) {
-			case 'r':
-			case 'rb':
-				try {
-					return $this->flysystem->readStream($fullPath);
-				} catch (FileNotFoundException $e) {
-					return false;
-				}
-			case 'w':
-			case 'w+':
-			case 'wb':
-			case 'wb+':
-				$useExisting = false;
-				// no break
-			case 'a':
-			case 'ab':
-			case 'r+':
-			case 'a+':
-			case 'x':
-			case 'x+':
-			case 'c':
-			case 'c+':
-				//emulate these
-				if ($useExisting and $this->file_exists($path)) {
-					if (!$this->isUpdatable($path)) {
-						return false;
-					}
-					$tmpFile = $this->getCachedFile($path);
-				} else {
-					if (!$this->isCreatable(dirname($path))) {
-						return false;
-					}
-					$tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
-				}
-				$source = fopen($tmpFile, $mode);
-				return CallbackWrapper::wrap($source, null, null, function () use ($tmpFile, $fullPath) {
-					$this->flysystem->putStream($fullPath, fopen($tmpFile, 'r'));
-					unlink($tmpFile);
-				});
-		}
-		return false;
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function fopen($path, $mode) {
+        $fullPath = $this->buildPath($path);
+        $useExisting = true;
+        switch ($mode) {
+            case 'r':
+            case 'rb':
+                try {
+                    return $this->flysystem->readStream($fullPath);
+                } catch (FileNotFoundException $e) {
+                    return false;
+                }
+            case 'w':
+            case 'w+':
+            case 'wb':
+            case 'wb+':
+                $useExisting = false;
+                // no break
+            case 'a':
+            case 'ab':
+            case 'r+':
+            case 'a+':
+            case 'x':
+            case 'x+':
+            case 'c':
+            case 'c+':
+                //emulate these
+                if ($useExisting and $this->file_exists($path)) {
+                    if (!$this->isUpdatable($path)) {
+                        return false;
+                    }
+                    $tmpFile = $this->getCachedFile($path);
+                } else {
+                    if (!$this->isCreatable(dirname($path))) {
+                        return false;
+                    }
+                    $tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
+                }
+                $source = fopen($tmpFile, $mode);
+                return CallbackWrapper::wrap($source, null, null, function () use ($tmpFile, $fullPath) {
+                    $this->flysystem->putStream($fullPath, fopen($tmpFile, 'r'));
+                    unlink($tmpFile);
+                });
+        }
+        return false;
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function touch($path, $mtime = null) {
-		if ($this->file_exists($path)) {
-			return false;
-		} else {
-			$this->file_put_contents($path, '');
-			return true;
-		}
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function touch($path, $mtime = null) {
+        if ($this->file_exists($path)) {
+            return false;
+        } else {
+            $this->file_put_contents($path, '');
+            return true;
+        }
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function stat($path) {
-		$info = $this->flysystem->getWithMetadata($this->buildPath($path), ['timestamp', 'size']);
-		return [
-			'mtime' => $info['timestamp'],
-			'size' => $info['size']
-		];
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function stat($path) {
+        $info = $this->flysystem->getWithMetadata($this->buildPath($path), ['timestamp', 'size']);
+        return [
+            'mtime' => $info['timestamp'],
+            'size' => $info['size']
+        ];
+    }
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function filetype($path) {
-		if ($path === '' or $path === '/' or $path === '.') {
-			return 'dir';
-		}
-		try {
-			$info = $this->flysystem->getMetadata($this->buildPath($path));
-		} catch (FileNotFoundException $e) {
-			return false;
-		}
-		return $info['type'];
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function filetype($path) {
+        if ($path === '' or $path === '/' or $path === '.') {
+            return 'dir';
+        }
+        try {
+            $info = $this->flysystem->getMetadata($this->buildPath($path));
+        } catch (FileNotFoundException $e) {
+            return false;
+        }
+        return $info['type'];
+    }
 }

lib/private/Files/Storage/DAV.php

Indentation +809 added lines, -809 removed lines

@@ -64,813 +64,813 @@
  * @package OC\Files\Storage
  */
 class DAV extends Common {
-	/** @var string */
-	protected $password;
-	/** @var string */
-	protected $user;
-	/** @var string */
-	protected $authType;
-	/** @var string */
-	protected $host;
-	/** @var bool */
-	protected $secure;
-	/** @var string */
-	protected $root;
-	/** @var string */
-	protected $certPath;
-	/** @var bool */
-	protected $ready;
-	/** @var Client */
-	protected $client;
-	/** @var ArrayCache */
-	protected $statCache;
-	/** @var IClientService */
-	protected $httpClientService;
-	/** @var ICertificateManager */
-	protected $certManager;
-
-	/**
-	 * @param array $params
-	 * @throws \Exception
-	 */
-	public function __construct($params) {
-		$this->statCache = new ArrayCache();
-		$this->httpClientService = \OC::$server->getHTTPClientService();
-		if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
-			$host = $params['host'];
-			//remove leading http[s], will be generated in createBaseUri()
-			if (substr($host, 0, 8) == "https://") {
-				$host = substr($host, 8);
-			} elseif (substr($host, 0, 7) == "http://") {
-				$host = substr($host, 7);
-			}
-			$this->host = $host;
-			$this->user = $params['user'];
-			$this->password = $params['password'];
-			if (isset($params['authType'])) {
-				$this->authType = $params['authType'];
-			}
-			if (isset($params['secure'])) {
-				if (is_string($params['secure'])) {
-					$this->secure = ($params['secure'] === 'true');
-				} else {
-					$this->secure = (bool)$params['secure'];
-				}
-			} else {
-				$this->secure = false;
-			}
-			if ($this->secure === true) {
-				// inject mock for testing
-				$this->certManager = \OC::$server->getCertificateManager();
-			}
-			$this->root = $params['root'] ?? '/';
-			$this->root = '/' . ltrim($this->root, '/');
-			$this->root = rtrim($this->root, '/') . '/';
-		} else {
-			throw new \Exception('Invalid webdav storage configuration');
-		}
-	}
-
-	protected function init() {
-		if ($this->ready) {
-			return;
-		}
-		$this->ready = true;
-
-		$settings = [
-			'baseUri' => $this->createBaseUri(),
-			'userName' => $this->user,
-			'password' => $this->password,
-		];
-		if (isset($this->authType)) {
-			$settings['authType'] = $this->authType;
-		}
-
-		$proxy = \OC::$server->getConfig()->getSystemValue('proxy', '');
-		if ($proxy !== '') {
-			$settings['proxy'] = $proxy;
-		}
-
-		$this->client = new Client($settings);
-		$this->client->setThrowExceptions(true);
-
-		if ($this->secure === true) {
-			$certPath = $this->certManager->getAbsoluteBundlePath();
-			if (file_exists($certPath)) {
-				$this->certPath = $certPath;
-			}
-			if ($this->certPath) {
-				$this->client->addCurlSetting(CURLOPT_CAINFO, $this->certPath);
-			}
-		}
-	}
-
-	/**
-	 * Clear the stat cache
-	 */
-	public function clearStatCache() {
-		$this->statCache->clear();
-	}
-
-	/** {@inheritdoc} */
-	public function getId() {
-		return 'webdav::' . $this->user . '@' . $this->host . '/' . $this->root;
-	}
-
-	/** {@inheritdoc} */
-	public function createBaseUri() {
-		$baseUri = 'http';
-		if ($this->secure) {
-			$baseUri .= 's';
-		}
-		$baseUri .= '://' . $this->host . $this->root;
-		return $baseUri;
-	}
-
-	/** {@inheritdoc} */
-	public function mkdir($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		$result = $this->simpleResponse('MKCOL', $path, null, 201);
-		if ($result) {
-			$this->statCache->set($path, true);
-		}
-		return $result;
-	}
-
-	/** {@inheritdoc} */
-	public function rmdir($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		// FIXME: some WebDAV impl return 403 when trying to DELETE
-		// a non-empty folder
-		$result = $this->simpleResponse('DELETE', $path . '/', null, 204);
-		$this->statCache->clear($path . '/');
-		$this->statCache->remove($path);
-		return $result;
-	}
-
-	/** {@inheritdoc} */
-	public function opendir($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->propFind(
-				$this->encodePath($path),
-				['{DAV:}getetag'],
-				1
-			);
-			if ($response === false) {
-				return false;
-			}
-			$content = [];
-			$files = array_keys($response);
-			array_shift($files); //the first entry is the current directory
-
-			if (!$this->statCache->hasKey($path)) {
-				$this->statCache->set($path, true);
-			}
-			foreach ($files as $file) {
-				$file = urldecode($file);
-				// do not store the real entry, we might not have all properties
-				if (!$this->statCache->hasKey($path)) {
-					$this->statCache->set($file, true);
-				}
-				$file = basename($file);
-				$content[] = $file;
-			}
-			return IteratorDirectory::wrap($content);
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-		}
-		return false;
-	}
-
-	/**
-	 * Propfind call with cache handling.
-	 *
-	 * First checks if information is cached.
-	 * If not, request it from the server then store to cache.
-	 *
-	 * @param string $path path to propfind
-	 *
-	 * @return array|boolean propfind response or false if the entry was not found
-	 *
-	 * @throws ClientHttpException
-	 */
-	protected function propfind($path) {
-		$path = $this->cleanPath($path);
-		$cachedResponse = $this->statCache->get($path);
-		// we either don't know it, or we know it exists but need more details
-		if (is_null($cachedResponse) || $cachedResponse === true) {
-			$this->init();
-			try {
-				$response = $this->client->propFind(
-					$this->encodePath($path),
-					[
-						'{DAV:}getlastmodified',
-						'{DAV:}getcontentlength',
-						'{DAV:}getcontenttype',
-						'{http://owncloud.org/ns}permissions',
-						'{http://open-collaboration-services.org/ns}share-permissions',
-						'{DAV:}resourcetype',
-						'{DAV:}getetag',
-					]
-				);
-				$this->statCache->set($path, $response);
-			} catch (ClientHttpException $e) {
-				if ($e->getHttpStatus() === 404 || $e->getHttpStatus() === 405) {
-					$this->statCache->clear($path . '/');
-					$this->statCache->set($path, false);
-					return false;
-				}
-				$this->convertException($e, $path);
-			} catch (\Exception $e) {
-				$this->convertException($e, $path);
-			}
-		} else {
-			$response = $cachedResponse;
-		}
-		return $response;
-	}
-
-	/** {@inheritdoc} */
-	public function filetype($path) {
-		try {
-			$response = $this->propfind($path);
-			if ($response === false) {
-				return false;
-			}
-			$responseType = [];
-			if (isset($response["{DAV:}resourcetype"])) {
-				/** @var ResourceType[] $response */
-				$responseType = $response["{DAV:}resourcetype"]->getValue();
-			}
-			return (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-		}
-		return false;
-	}
-
-	/** {@inheritdoc} */
-	public function file_exists($path) {
-		try {
-			$path = $this->cleanPath($path);
-			$cachedState = $this->statCache->get($path);
-			if ($cachedState === false) {
-				// we know the file doesn't exist
-				return false;
-			} elseif (!is_null($cachedState)) {
-				return true;
-			}
-			// need to get from server
-			return ($this->propfind($path) !== false);
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-		}
-		return false;
-	}
-
-	/** {@inheritdoc} */
-	public function unlink($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		$result = $this->simpleResponse('DELETE', $path, null, 204);
-		$this->statCache->clear($path . '/');
-		$this->statCache->remove($path);
-		return $result;
-	}
-
-	/** {@inheritdoc} */
-	public function fopen($path, $mode) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		switch ($mode) {
-			case 'r':
-			case 'rb':
-				try {
-					$response = $this->httpClientService
-						->newClient()
-						->get($this->createBaseUri() . $this->encodePath($path), [
-							'auth' => [$this->user, $this->password],
-							'stream' => true
-						]);
-				} catch (\GuzzleHttp\Exception\ClientException $e) {
-					if ($e->getResponse() instanceof ResponseInterface
-						&& $e->getResponse()->getStatusCode() === 404) {
-						return false;
-					} else {
-						throw $e;
-					}
-				}
-
-				if ($response->getStatusCode() !== Http::STATUS_OK) {
-					if ($response->getStatusCode() === Http::STATUS_LOCKED) {
-						throw new \OCP\Lock\LockedException($path);
-					} else {
-						Util::writeLog("webdav client", 'Guzzle get returned status code ' . $response->getStatusCode(), ILogger::ERROR);
-					}
-				}
-
-				return $response->getBody();
-			case 'w':
-			case 'wb':
-			case 'a':
-			case 'ab':
-			case 'r+':
-			case 'w+':
-			case 'wb+':
-			case 'a+':
-			case 'x':
-			case 'x+':
-			case 'c':
-			case 'c+':
-				//emulate these
-				$tempManager = \OC::$server->getTempManager();
-				if (strrpos($path, '.') !== false) {
-					$ext = substr($path, strrpos($path, '.'));
-				} else {
-					$ext = '';
-				}
-				if ($this->file_exists($path)) {
-					if (!$this->isUpdatable($path)) {
-						return false;
-					}
-					if ($mode === 'w' or $mode === 'w+') {
-						$tmpFile = $tempManager->getTemporaryFile($ext);
-					} else {
-						$tmpFile = $this->getCachedFile($path);
-					}
-				} else {
-					if (!$this->isCreatable(dirname($path))) {
-						return false;
-					}
-					$tmpFile = $tempManager->getTemporaryFile($ext);
-				}
-				$handle = fopen($tmpFile, $mode);
-				return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
-					$this->writeBack($tmpFile, $path);
-				});
-		}
-	}
-
-	/**
-	 * @param string $tmpFile
-	 */
-	public function writeBack($tmpFile, $path) {
-		$this->uploadFile($tmpFile, $path);
-		unlink($tmpFile);
-	}
-
-	/** {@inheritdoc} */
-	public function free_space($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			// TODO: cacheable ?
-			$response = $this->client->propfind($this->encodePath($path), ['{DAV:}quota-available-bytes']);
-			if ($response === false) {
-				return FileInfo::SPACE_UNKNOWN;
-			}
-			if (isset($response['{DAV:}quota-available-bytes'])) {
-				return (int)$response['{DAV:}quota-available-bytes'];
-			} else {
-				return FileInfo::SPACE_UNKNOWN;
-			}
-		} catch (\Exception $e) {
-			return FileInfo::SPACE_UNKNOWN;
-		}
-	}
-
-	/** {@inheritdoc} */
-	public function touch($path, $mtime = null) {
-		$this->init();
-		if (is_null($mtime)) {
-			$mtime = time();
-		}
-		$path = $this->cleanPath($path);
-
-		// if file exists, update the mtime, else create a new empty file
-		if ($this->file_exists($path)) {
-			try {
-				$this->statCache->remove($path);
-				$this->client->proppatch($this->encodePath($path), ['{DAV:}lastmodified' => $mtime]);
-				// non-owncloud clients might not have accepted the property, need to recheck it
-				$response = $this->client->propfind($this->encodePath($path), ['{DAV:}getlastmodified'], 0);
-				if ($response === false) {
-					return false;
-				}
-				if (isset($response['{DAV:}getlastmodified'])) {
-					$remoteMtime = strtotime($response['{DAV:}getlastmodified']);
-					if ($remoteMtime !== $mtime) {
-						// server has not accepted the mtime
-						return false;
-					}
-				}
-			} catch (ClientHttpException $e) {
-				if ($e->getHttpStatus() === 501) {
-					return false;
-				}
-				$this->convertException($e, $path);
-				return false;
-			} catch (\Exception $e) {
-				$this->convertException($e, $path);
-				return false;
-			}
-		} else {
-			$this->file_put_contents($path, '');
-		}
-		return true;
-	}
-
-	/**
-	 * @param string $path
-	 * @param mixed $data
-	 * @return int|false
-	 */
-	public function file_put_contents($path, $data) {
-		$path = $this->cleanPath($path);
-		$result = parent::file_put_contents($path, $data);
-		$this->statCache->remove($path);
-		return $result;
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $target
-	 */
-	protected function uploadFile($path, $target) {
-		$this->init();
-
-		// invalidate
-		$target = $this->cleanPath($target);
-		$this->statCache->remove($target);
-		$source = fopen($path, 'r');
-
-		$this->httpClientService
-			->newClient()
-			->put($this->createBaseUri() . $this->encodePath($target), [
-				'body' => $source,
-				'auth' => [$this->user, $this->password]
-			]);
-
-		$this->removeCachedFile($target);
-	}
-
-	/** {@inheritdoc} */
-	public function rename($path1, $path2) {
-		$this->init();
-		$path1 = $this->cleanPath($path1);
-		$path2 = $this->cleanPath($path2);
-		try {
-			// overwrite directory ?
-			if ($this->is_dir($path2)) {
-				// needs trailing slash in destination
-				$path2 = rtrim($path2, '/') . '/';
-			}
-			$this->client->request(
-				'MOVE',
-				$this->encodePath($path1),
-				null,
-				[
-					'Destination' => $this->createBaseUri() . $this->encodePath($path2),
-				]
-			);
-			$this->statCache->clear($path1 . '/');
-			$this->statCache->clear($path2 . '/');
-			$this->statCache->set($path1, false);
-			$this->statCache->set($path2, true);
-			$this->removeCachedFile($path1);
-			$this->removeCachedFile($path2);
-			return true;
-		} catch (\Exception $e) {
-			$this->convertException($e);
-		}
-		return false;
-	}
-
-	/** {@inheritdoc} */
-	public function copy($path1, $path2) {
-		$this->init();
-		$path1 = $this->cleanPath($path1);
-		$path2 = $this->cleanPath($path2);
-		try {
-			// overwrite directory ?
-			if ($this->is_dir($path2)) {
-				// needs trailing slash in destination
-				$path2 = rtrim($path2, '/') . '/';
-			}
-			$this->client->request(
-				'COPY',
-				$this->encodePath($path1),
-				null,
-				[
-					'Destination' => $this->createBaseUri() . $this->encodePath($path2),
-				]
-			);
-			$this->statCache->clear($path2 . '/');
-			$this->statCache->set($path2, true);
-			$this->removeCachedFile($path2);
-			return true;
-		} catch (\Exception $e) {
-			$this->convertException($e);
-		}
-		return false;
-	}
-
-	/** {@inheritdoc} */
-	public function stat($path) {
-		try {
-			$response = $this->propfind($path);
-			if (!$response) {
-				return false;
-			}
-			return [
-				'mtime' => strtotime($response['{DAV:}getlastmodified']),
-				'size' => (int)isset($response['{DAV:}getcontentlength']) ? $response['{DAV:}getcontentlength'] : 0,
-			];
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-		}
-		return [];
-	}
-
-	/** {@inheritdoc} */
-	public function getMimeType($path) {
-		$remoteMimetype = $this->getMimeTypeFromRemote($path);
-		if ($remoteMimetype === 'application/octet-stream') {
-			return \OC::$server->getMimeTypeDetector()->detectPath($path);
-		} else {
-			return $remoteMimetype;
-		}
-	}
-
-	public function getMimeTypeFromRemote($path) {
-		try {
-			$response = $this->propfind($path);
-			if ($response === false) {
-				return false;
-			}
-			$responseType = [];
-			if (isset($response["{DAV:}resourcetype"])) {
-				/** @var ResourceType[] $response */
-				$responseType = $response["{DAV:}resourcetype"]->getValue();
-			}
-			$type = (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
-			if ($type == 'dir') {
-				return 'httpd/unix-directory';
-			} elseif (isset($response['{DAV:}getcontenttype'])) {
-				return $response['{DAV:}getcontenttype'];
-			} else {
-				return 'application/octet-stream';
-			}
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	public function cleanPath($path) {
-		if ($path === '') {
-			return $path;
-		}
-		$path = Filesystem::normalizePath($path);
-		// remove leading slash
-		return substr($path, 1);
-	}
-
-	/**
-	 * URL encodes the given path but keeps the slashes
-	 *
-	 * @param string $path to encode
-	 * @return string encoded path
-	 */
-	protected function encodePath($path) {
-		// slashes need to stay
-		return str_replace('%2F', '/', rawurlencode($path));
-	}
-
-	/**
-	 * @param string $method
-	 * @param string $path
-	 * @param string|resource|null $body
-	 * @param int $expected
-	 * @return bool
-	 * @throws StorageInvalidException
-	 * @throws StorageNotAvailableException
-	 */
-	protected function simpleResponse($method, $path, $body, $expected) {
-		$path = $this->cleanPath($path);
-		try {
-			$response = $this->client->request($method, $this->encodePath($path), $body);
-			return $response['statusCode'] == $expected;
-		} catch (ClientHttpException $e) {
-			if ($e->getHttpStatus() === 404 && $method === 'DELETE') {
-				$this->statCache->clear($path . '/');
-				$this->statCache->set($path, false);
-				return false;
-			}
-
-			$this->convertException($e, $path);
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-		}
-		return false;
-	}
-
-	/**
-	 * check if curl is installed
-	 */
-	public static function checkDependencies() {
-		return true;
-	}
-
-	/** {@inheritdoc} */
-	public function isUpdatable($path) {
-		return (bool)($this->getPermissions($path) & Constants::PERMISSION_UPDATE);
-	}
-
-	/** {@inheritdoc} */
-	public function isCreatable($path) {
-		return (bool)($this->getPermissions($path) & Constants::PERMISSION_CREATE);
-	}
-
-	/** {@inheritdoc} */
-	public function isSharable($path) {
-		return (bool)($this->getPermissions($path) & Constants::PERMISSION_SHARE);
-	}
-
-	/** {@inheritdoc} */
-	public function isDeletable($path) {
-		return (bool)($this->getPermissions($path) & Constants::PERMISSION_DELETE);
-	}
-
-	/** {@inheritdoc} */
-	public function getPermissions($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		$response = $this->propfind($path);
-		if ($response === false) {
-			return 0;
-		}
-		if (isset($response['{http://owncloud.org/ns}permissions'])) {
-			return $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
-		} elseif ($this->is_dir($path)) {
-			return Constants::PERMISSION_ALL;
-		} elseif ($this->file_exists($path)) {
-			return Constants::PERMISSION_ALL - Constants::PERMISSION_CREATE;
-		} else {
-			return 0;
-		}
-	}
-
-	/** {@inheritdoc} */
-	public function getETag($path) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		$response = $this->propfind($path);
-		if ($response === false) {
-			return null;
-		}
-		if (isset($response['{DAV:}getetag'])) {
-			$etag = trim($response['{DAV:}getetag'], '"');
-			if (strlen($etag) > 40) {
-				$etag = md5($etag);
-			}
-			return $etag;
-		}
-		return parent::getEtag($path);
-	}
-
-	/**
-	 * @param string $permissionsString
-	 * @return int
-	 */
-	protected function parsePermissions($permissionsString) {
-		$permissions = Constants::PERMISSION_READ;
-		if (strpos($permissionsString, 'R') !== false) {
-			$permissions |= Constants::PERMISSION_SHARE;
-		}
-		if (strpos($permissionsString, 'D') !== false) {
-			$permissions |= Constants::PERMISSION_DELETE;
-		}
-		if (strpos($permissionsString, 'W') !== false) {
-			$permissions |= Constants::PERMISSION_UPDATE;
-		}
-		if (strpos($permissionsString, 'CK') !== false) {
-			$permissions |= Constants::PERMISSION_CREATE;
-			$permissions |= Constants::PERMISSION_UPDATE;
-		}
-		return $permissions;
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @throws \OCP\Files\StorageNotAvailableException
-	 * @return bool
-	 */
-	public function hasUpdated($path, $time) {
-		$this->init();
-		$path = $this->cleanPath($path);
-		try {
-			// force refresh for $path
-			$this->statCache->remove($path);
-			$response = $this->propfind($path);
-			if ($response === false) {
-				if ($path === '') {
-					// if root is gone it means the storage is not available
-					throw new StorageNotAvailableException('root is gone');
-				}
-				return false;
-			}
-			if (isset($response['{DAV:}getetag'])) {
-				$cachedData = $this->getCache()->get($path);
-				$etag = null;
-				if (isset($response['{DAV:}getetag'])) {
-					$etag = trim($response['{DAV:}getetag'], '"');
-				}
-				if (!empty($etag) && $cachedData['etag'] !== $etag) {
-					return true;
-				} elseif (isset($response['{http://open-collaboration-services.org/ns}share-permissions'])) {
-					$sharePermissions = (int)$response['{http://open-collaboration-services.org/ns}share-permissions'];
-					return $sharePermissions !== $cachedData['permissions'];
-				} elseif (isset($response['{http://owncloud.org/ns}permissions'])) {
-					$permissions = $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
-					return $permissions !== $cachedData['permissions'];
-				} else {
-					return false;
-				}
-			} else {
-				$remoteMtime = strtotime($response['{DAV:}getlastmodified']);
-				return $remoteMtime > $time;
-			}
-		} catch (ClientHttpException $e) {
-			if ($e->getHttpStatus() === 405) {
-				if ($path === '') {
-					// if root is gone it means the storage is not available
-					throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
-				}
-				return false;
-			}
-			$this->convertException($e, $path);
-			return false;
-		} catch (\Exception $e) {
-			$this->convertException($e, $path);
-			return false;
-		}
-	}
-
-	/**
-	 * Interpret the given exception and decide whether it is due to an
-	 * unavailable storage, invalid storage or other.
-	 * This will either throw StorageInvalidException, StorageNotAvailableException
-	 * or do nothing.
-	 *
-	 * @param Exception $e sabre exception
-	 * @param string $path optional path from the operation
-	 *
-	 * @throws StorageInvalidException if the storage is invalid, for example
-	 * when the authentication expired or is invalid
-	 * @throws StorageNotAvailableException if the storage is not available,
-	 * which might be temporary
-	 * @throws ForbiddenException if the action is not allowed
-	 */
-	protected function convertException(Exception $e, $path = '') {
-		\OC::$server->getLogger()->logException($e, ['app' => 'files_external', 'level' => ILogger::DEBUG]);
-		if ($e instanceof ClientHttpException) {
-			if ($e->getHttpStatus() === Http::STATUS_LOCKED) {
-				throw new \OCP\Lock\LockedException($path);
-			}
-			if ($e->getHttpStatus() === Http::STATUS_UNAUTHORIZED) {
-				// either password was changed or was invalid all along
-				throw new StorageInvalidException(get_class($e) . ': ' . $e->getMessage());
-			} elseif ($e->getHttpStatus() === Http::STATUS_METHOD_NOT_ALLOWED) {
-				// ignore exception for MethodNotAllowed, false will be returned
-				return;
-			} elseif ($e->getHttpStatus() === Http::STATUS_FORBIDDEN) {
-				// The operation is forbidden. Fail somewhat gracefully
-				throw new ForbiddenException(get_class($e) . ':' . $e->getMessage(), false);
-			}
-			throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
-		} elseif ($e instanceof ClientException) {
-			// connection timeout or refused, server could be temporarily down
-			throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
-		} elseif ($e instanceof \InvalidArgumentException) {
-			// parse error because the server returned HTML instead of XML,
-			// possibly temporarily down
-			throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
-		} elseif (($e instanceof StorageNotAvailableException) || ($e instanceof StorageInvalidException)) {
-			// rethrow
-			throw $e;
-		}
-
-		// TODO: only log for now, but in the future need to wrap/rethrow exception
-	}
+    /** @var string */
+    protected $password;
+    /** @var string */
+    protected $user;
+    /** @var string */
+    protected $authType;
+    /** @var string */
+    protected $host;
+    /** @var bool */
+    protected $secure;
+    /** @var string */
+    protected $root;
+    /** @var string */
+    protected $certPath;
+    /** @var bool */
+    protected $ready;
+    /** @var Client */
+    protected $client;
+    /** @var ArrayCache */
+    protected $statCache;
+    /** @var IClientService */
+    protected $httpClientService;
+    /** @var ICertificateManager */
+    protected $certManager;
+
+    /**
+     * @param array $params
+     * @throws \Exception
+     */
+    public function __construct($params) {
+        $this->statCache = new ArrayCache();
+        $this->httpClientService = \OC::$server->getHTTPClientService();
+        if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
+            $host = $params['host'];
+            //remove leading http[s], will be generated in createBaseUri()
+            if (substr($host, 0, 8) == "https://") {
+                $host = substr($host, 8);
+            } elseif (substr($host, 0, 7) == "http://") {
+                $host = substr($host, 7);
+            }
+            $this->host = $host;
+            $this->user = $params['user'];
+            $this->password = $params['password'];
+            if (isset($params['authType'])) {
+                $this->authType = $params['authType'];
+            }
+            if (isset($params['secure'])) {
+                if (is_string($params['secure'])) {
+                    $this->secure = ($params['secure'] === 'true');
+                } else {
+                    $this->secure = (bool)$params['secure'];
+                }
+            } else {
+                $this->secure = false;
+            }
+            if ($this->secure === true) {
+                // inject mock for testing
+                $this->certManager = \OC::$server->getCertificateManager();
+            }
+            $this->root = $params['root'] ?? '/';
+            $this->root = '/' . ltrim($this->root, '/');
+            $this->root = rtrim($this->root, '/') . '/';
+        } else {
+            throw new \Exception('Invalid webdav storage configuration');
+        }
+    }
+
+    protected function init() {
+        if ($this->ready) {
+            return;
+        }
+        $this->ready = true;
+
+        $settings = [
+            'baseUri' => $this->createBaseUri(),
+            'userName' => $this->user,
+            'password' => $this->password,
+        ];
+        if (isset($this->authType)) {
+            $settings['authType'] = $this->authType;
+        }
+
+        $proxy = \OC::$server->getConfig()->getSystemValue('proxy', '');
+        if ($proxy !== '') {
+            $settings['proxy'] = $proxy;
+        }
+
+        $this->client = new Client($settings);
+        $this->client->setThrowExceptions(true);
+
+        if ($this->secure === true) {
+            $certPath = $this->certManager->getAbsoluteBundlePath();
+            if (file_exists($certPath)) {
+                $this->certPath = $certPath;
+            }
+            if ($this->certPath) {
+                $this->client->addCurlSetting(CURLOPT_CAINFO, $this->certPath);
+            }
+        }
+    }
+
+    /**
+     * Clear the stat cache
+     */
+    public function clearStatCache() {
+        $this->statCache->clear();
+    }
+
+    /** {@inheritdoc} */
+    public function getId() {
+        return 'webdav::' . $this->user . '@' . $this->host . '/' . $this->root;
+    }
+
+    /** {@inheritdoc} */
+    public function createBaseUri() {
+        $baseUri = 'http';
+        if ($this->secure) {
+            $baseUri .= 's';
+        }
+        $baseUri .= '://' . $this->host . $this->root;
+        return $baseUri;
+    }
+
+    /** {@inheritdoc} */
+    public function mkdir($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        $result = $this->simpleResponse('MKCOL', $path, null, 201);
+        if ($result) {
+            $this->statCache->set($path, true);
+        }
+        return $result;
+    }
+
+    /** {@inheritdoc} */
+    public function rmdir($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        // FIXME: some WebDAV impl return 403 when trying to DELETE
+        // a non-empty folder
+        $result = $this->simpleResponse('DELETE', $path . '/', null, 204);
+        $this->statCache->clear($path . '/');
+        $this->statCache->remove($path);
+        return $result;
+    }
+
+    /** {@inheritdoc} */
+    public function opendir($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        try {
+            $response = $this->client->propFind(
+                $this->encodePath($path),
+                ['{DAV:}getetag'],
+                1
+            );
+            if ($response === false) {
+                return false;
+            }
+            $content = [];
+            $files = array_keys($response);
+            array_shift($files); //the first entry is the current directory
+
+            if (!$this->statCache->hasKey($path)) {
+                $this->statCache->set($path, true);
+            }
+            foreach ($files as $file) {
+                $file = urldecode($file);
+                // do not store the real entry, we might not have all properties
+                if (!$this->statCache->hasKey($path)) {
+                    $this->statCache->set($file, true);
+                }
+                $file = basename($file);
+                $content[] = $file;
+            }
+            return IteratorDirectory::wrap($content);
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+        }
+        return false;
+    }
+
+    /**
+     * Propfind call with cache handling.
+     *
+     * First checks if information is cached.
+     * If not, request it from the server then store to cache.
+     *
+     * @param string $path path to propfind
+     *
+     * @return array|boolean propfind response or false if the entry was not found
+     *
+     * @throws ClientHttpException
+     */
+    protected function propfind($path) {
+        $path = $this->cleanPath($path);
+        $cachedResponse = $this->statCache->get($path);
+        // we either don't know it, or we know it exists but need more details
+        if (is_null($cachedResponse) || $cachedResponse === true) {
+            $this->init();
+            try {
+                $response = $this->client->propFind(
+                    $this->encodePath($path),
+                    [
+                        '{DAV:}getlastmodified',
+                        '{DAV:}getcontentlength',
+                        '{DAV:}getcontenttype',
+                        '{http://owncloud.org/ns}permissions',
+                        '{http://open-collaboration-services.org/ns}share-permissions',
+                        '{DAV:}resourcetype',
+                        '{DAV:}getetag',
+                    ]
+                );
+                $this->statCache->set($path, $response);
+            } catch (ClientHttpException $e) {
+                if ($e->getHttpStatus() === 404 || $e->getHttpStatus() === 405) {
+                    $this->statCache->clear($path . '/');
+                    $this->statCache->set($path, false);
+                    return false;
+                }
+                $this->convertException($e, $path);
+            } catch (\Exception $e) {
+                $this->convertException($e, $path);
+            }
+        } else {
+            $response = $cachedResponse;
+        }
+        return $response;
+    }
+
+    /** {@inheritdoc} */
+    public function filetype($path) {
+        try {
+            $response = $this->propfind($path);
+            if ($response === false) {
+                return false;
+            }
+            $responseType = [];
+            if (isset($response["{DAV:}resourcetype"])) {
+                /** @var ResourceType[] $response */
+                $responseType = $response["{DAV:}resourcetype"]->getValue();
+            }
+            return (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+        }
+        return false;
+    }
+
+    /** {@inheritdoc} */
+    public function file_exists($path) {
+        try {
+            $path = $this->cleanPath($path);
+            $cachedState = $this->statCache->get($path);
+            if ($cachedState === false) {
+                // we know the file doesn't exist
+                return false;
+            } elseif (!is_null($cachedState)) {
+                return true;
+            }
+            // need to get from server
+            return ($this->propfind($path) !== false);
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+        }
+        return false;
+    }
+
+    /** {@inheritdoc} */
+    public function unlink($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        $result = $this->simpleResponse('DELETE', $path, null, 204);
+        $this->statCache->clear($path . '/');
+        $this->statCache->remove($path);
+        return $result;
+    }
+
+    /** {@inheritdoc} */
+    public function fopen($path, $mode) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        switch ($mode) {
+            case 'r':
+            case 'rb':
+                try {
+                    $response = $this->httpClientService
+                        ->newClient()
+                        ->get($this->createBaseUri() . $this->encodePath($path), [
+                            'auth' => [$this->user, $this->password],
+                            'stream' => true
+                        ]);
+                } catch (\GuzzleHttp\Exception\ClientException $e) {
+                    if ($e->getResponse() instanceof ResponseInterface
+                        && $e->getResponse()->getStatusCode() === 404) {
+                        return false;
+                    } else {
+                        throw $e;
+                    }
+                }
+
+                if ($response->getStatusCode() !== Http::STATUS_OK) {
+                    if ($response->getStatusCode() === Http::STATUS_LOCKED) {
+                        throw new \OCP\Lock\LockedException($path);
+                    } else {
+                        Util::writeLog("webdav client", 'Guzzle get returned status code ' . $response->getStatusCode(), ILogger::ERROR);
+                    }
+                }
+
+                return $response->getBody();
+            case 'w':
+            case 'wb':
+            case 'a':
+            case 'ab':
+            case 'r+':
+            case 'w+':
+            case 'wb+':
+            case 'a+':
+            case 'x':
+            case 'x+':
+            case 'c':
+            case 'c+':
+                //emulate these
+                $tempManager = \OC::$server->getTempManager();
+                if (strrpos($path, '.') !== false) {
+                    $ext = substr($path, strrpos($path, '.'));
+                } else {
+                    $ext = '';
+                }
+                if ($this->file_exists($path)) {
+                    if (!$this->isUpdatable($path)) {
+                        return false;
+                    }
+                    if ($mode === 'w' or $mode === 'w+') {
+                        $tmpFile = $tempManager->getTemporaryFile($ext);
+                    } else {
+                        $tmpFile = $this->getCachedFile($path);
+                    }
+                } else {
+                    if (!$this->isCreatable(dirname($path))) {
+                        return false;
+                    }
+                    $tmpFile = $tempManager->getTemporaryFile($ext);
+                }
+                $handle = fopen($tmpFile, $mode);
+                return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
+                    $this->writeBack($tmpFile, $path);
+                });
+        }
+    }
+
+    /**
+     * @param string $tmpFile
+     */
+    public function writeBack($tmpFile, $path) {
+        $this->uploadFile($tmpFile, $path);
+        unlink($tmpFile);
+    }
+
+    /** {@inheritdoc} */
+    public function free_space($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        try {
+            // TODO: cacheable ?
+            $response = $this->client->propfind($this->encodePath($path), ['{DAV:}quota-available-bytes']);
+            if ($response === false) {
+                return FileInfo::SPACE_UNKNOWN;
+            }
+            if (isset($response['{DAV:}quota-available-bytes'])) {
+                return (int)$response['{DAV:}quota-available-bytes'];
+            } else {
+                return FileInfo::SPACE_UNKNOWN;
+            }
+        } catch (\Exception $e) {
+            return FileInfo::SPACE_UNKNOWN;
+        }
+    }
+
+    /** {@inheritdoc} */
+    public function touch($path, $mtime = null) {
+        $this->init();
+        if (is_null($mtime)) {
+            $mtime = time();
+        }
+        $path = $this->cleanPath($path);
+
+        // if file exists, update the mtime, else create a new empty file
+        if ($this->file_exists($path)) {
+            try {
+                $this->statCache->remove($path);
+                $this->client->proppatch($this->encodePath($path), ['{DAV:}lastmodified' => $mtime]);
+                // non-owncloud clients might not have accepted the property, need to recheck it
+                $response = $this->client->propfind($this->encodePath($path), ['{DAV:}getlastmodified'], 0);
+                if ($response === false) {
+                    return false;
+                }
+                if (isset($response['{DAV:}getlastmodified'])) {
+                    $remoteMtime = strtotime($response['{DAV:}getlastmodified']);
+                    if ($remoteMtime !== $mtime) {
+                        // server has not accepted the mtime
+                        return false;
+                    }
+                }
+            } catch (ClientHttpException $e) {
+                if ($e->getHttpStatus() === 501) {
+                    return false;
+                }
+                $this->convertException($e, $path);
+                return false;
+            } catch (\Exception $e) {
+                $this->convertException($e, $path);
+                return false;
+            }
+        } else {
+            $this->file_put_contents($path, '');
+        }
+        return true;
+    }
+
+    /**
+     * @param string $path
+     * @param mixed $data
+     * @return int|false
+     */
+    public function file_put_contents($path, $data) {
+        $path = $this->cleanPath($path);
+        $result = parent::file_put_contents($path, $data);
+        $this->statCache->remove($path);
+        return $result;
+    }
+
+    /**
+     * @param string $path
+     * @param string $target
+     */
+    protected function uploadFile($path, $target) {
+        $this->init();
+
+        // invalidate
+        $target = $this->cleanPath($target);
+        $this->statCache->remove($target);
+        $source = fopen($path, 'r');
+
+        $this->httpClientService
+            ->newClient()
+            ->put($this->createBaseUri() . $this->encodePath($target), [
+                'body' => $source,
+                'auth' => [$this->user, $this->password]
+            ]);
+
+        $this->removeCachedFile($target);
+    }
+
+    /** {@inheritdoc} */
+    public function rename($path1, $path2) {
+        $this->init();
+        $path1 = $this->cleanPath($path1);
+        $path2 = $this->cleanPath($path2);
+        try {
+            // overwrite directory ?
+            if ($this->is_dir($path2)) {
+                // needs trailing slash in destination
+                $path2 = rtrim($path2, '/') . '/';
+            }
+            $this->client->request(
+                'MOVE',
+                $this->encodePath($path1),
+                null,
+                [
+                    'Destination' => $this->createBaseUri() . $this->encodePath($path2),
+                ]
+            );
+            $this->statCache->clear($path1 . '/');
+            $this->statCache->clear($path2 . '/');
+            $this->statCache->set($path1, false);
+            $this->statCache->set($path2, true);
+            $this->removeCachedFile($path1);
+            $this->removeCachedFile($path2);
+            return true;
+        } catch (\Exception $e) {
+            $this->convertException($e);
+        }
+        return false;
+    }
+
+    /** {@inheritdoc} */
+    public function copy($path1, $path2) {
+        $this->init();
+        $path1 = $this->cleanPath($path1);
+        $path2 = $this->cleanPath($path2);
+        try {
+            // overwrite directory ?
+            if ($this->is_dir($path2)) {
+                // needs trailing slash in destination
+                $path2 = rtrim($path2, '/') . '/';
+            }
+            $this->client->request(
+                'COPY',
+                $this->encodePath($path1),
+                null,
+                [
+                    'Destination' => $this->createBaseUri() . $this->encodePath($path2),
+                ]
+            );
+            $this->statCache->clear($path2 . '/');
+            $this->statCache->set($path2, true);
+            $this->removeCachedFile($path2);
+            return true;
+        } catch (\Exception $e) {
+            $this->convertException($e);
+        }
+        return false;
+    }
+
+    /** {@inheritdoc} */
+    public function stat($path) {
+        try {
+            $response = $this->propfind($path);
+            if (!$response) {
+                return false;
+            }
+            return [
+                'mtime' => strtotime($response['{DAV:}getlastmodified']),
+                'size' => (int)isset($response['{DAV:}getcontentlength']) ? $response['{DAV:}getcontentlength'] : 0,
+            ];
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+        }
+        return [];
+    }
+
+    /** {@inheritdoc} */
+    public function getMimeType($path) {
+        $remoteMimetype = $this->getMimeTypeFromRemote($path);
+        if ($remoteMimetype === 'application/octet-stream') {
+            return \OC::$server->getMimeTypeDetector()->detectPath($path);
+        } else {
+            return $remoteMimetype;
+        }
+    }
+
+    public function getMimeTypeFromRemote($path) {
+        try {
+            $response = $this->propfind($path);
+            if ($response === false) {
+                return false;
+            }
+            $responseType = [];
+            if (isset($response["{DAV:}resourcetype"])) {
+                /** @var ResourceType[] $response */
+                $responseType = $response["{DAV:}resourcetype"]->getValue();
+            }
+            $type = (count($responseType) > 0 and $responseType[0] == "{DAV:}collection") ? 'dir' : 'file';
+            if ($type == 'dir') {
+                return 'httpd/unix-directory';
+            } elseif (isset($response['{DAV:}getcontenttype'])) {
+                return $response['{DAV:}getcontenttype'];
+            } else {
+                return 'application/octet-stream';
+            }
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    public function cleanPath($path) {
+        if ($path === '') {
+            return $path;
+        }
+        $path = Filesystem::normalizePath($path);
+        // remove leading slash
+        return substr($path, 1);
+    }
+
+    /**
+     * URL encodes the given path but keeps the slashes
+     *
+     * @param string $path to encode
+     * @return string encoded path
+     */
+    protected function encodePath($path) {
+        // slashes need to stay
+        return str_replace('%2F', '/', rawurlencode($path));
+    }
+
+    /**
+     * @param string $method
+     * @param string $path
+     * @param string|resource|null $body
+     * @param int $expected
+     * @return bool
+     * @throws StorageInvalidException
+     * @throws StorageNotAvailableException
+     */
+    protected function simpleResponse($method, $path, $body, $expected) {
+        $path = $this->cleanPath($path);
+        try {
+            $response = $this->client->request($method, $this->encodePath($path), $body);
+            return $response['statusCode'] == $expected;
+        } catch (ClientHttpException $e) {
+            if ($e->getHttpStatus() === 404 && $method === 'DELETE') {
+                $this->statCache->clear($path . '/');
+                $this->statCache->set($path, false);
+                return false;
+            }
+
+            $this->convertException($e, $path);
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+        }
+        return false;
+    }
+
+    /**
+     * check if curl is installed
+     */
+    public static function checkDependencies() {
+        return true;
+    }
+
+    /** {@inheritdoc} */
+    public function isUpdatable($path) {
+        return (bool)($this->getPermissions($path) & Constants::PERMISSION_UPDATE);
+    }
+
+    /** {@inheritdoc} */
+    public function isCreatable($path) {
+        return (bool)($this->getPermissions($path) & Constants::PERMISSION_CREATE);
+    }
+
+    /** {@inheritdoc} */
+    public function isSharable($path) {
+        return (bool)($this->getPermissions($path) & Constants::PERMISSION_SHARE);
+    }
+
+    /** {@inheritdoc} */
+    public function isDeletable($path) {
+        return (bool)($this->getPermissions($path) & Constants::PERMISSION_DELETE);
+    }
+
+    /** {@inheritdoc} */
+    public function getPermissions($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        $response = $this->propfind($path);
+        if ($response === false) {
+            return 0;
+        }
+        if (isset($response['{http://owncloud.org/ns}permissions'])) {
+            return $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
+        } elseif ($this->is_dir($path)) {
+            return Constants::PERMISSION_ALL;
+        } elseif ($this->file_exists($path)) {
+            return Constants::PERMISSION_ALL - Constants::PERMISSION_CREATE;
+        } else {
+            return 0;
+        }
+    }
+
+    /** {@inheritdoc} */
+    public function getETag($path) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        $response = $this->propfind($path);
+        if ($response === false) {
+            return null;
+        }
+        if (isset($response['{DAV:}getetag'])) {
+            $etag = trim($response['{DAV:}getetag'], '"');
+            if (strlen($etag) > 40) {
+                $etag = md5($etag);
+            }
+            return $etag;
+        }
+        return parent::getEtag($path);
+    }
+
+    /**
+     * @param string $permissionsString
+     * @return int
+     */
+    protected function parsePermissions($permissionsString) {
+        $permissions = Constants::PERMISSION_READ;
+        if (strpos($permissionsString, 'R') !== false) {
+            $permissions |= Constants::PERMISSION_SHARE;
+        }
+        if (strpos($permissionsString, 'D') !== false) {
+            $permissions |= Constants::PERMISSION_DELETE;
+        }
+        if (strpos($permissionsString, 'W') !== false) {
+            $permissions |= Constants::PERMISSION_UPDATE;
+        }
+        if (strpos($permissionsString, 'CK') !== false) {
+            $permissions |= Constants::PERMISSION_CREATE;
+            $permissions |= Constants::PERMISSION_UPDATE;
+        }
+        return $permissions;
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @throws \OCP\Files\StorageNotAvailableException
+     * @return bool
+     */
+    public function hasUpdated($path, $time) {
+        $this->init();
+        $path = $this->cleanPath($path);
+        try {
+            // force refresh for $path
+            $this->statCache->remove($path);
+            $response = $this->propfind($path);
+            if ($response === false) {
+                if ($path === '') {
+                    // if root is gone it means the storage is not available
+                    throw new StorageNotAvailableException('root is gone');
+                }
+                return false;
+            }
+            if (isset($response['{DAV:}getetag'])) {
+                $cachedData = $this->getCache()->get($path);
+                $etag = null;
+                if (isset($response['{DAV:}getetag'])) {
+                    $etag = trim($response['{DAV:}getetag'], '"');
+                }
+                if (!empty($etag) && $cachedData['etag'] !== $etag) {
+                    return true;
+                } elseif (isset($response['{http://open-collaboration-services.org/ns}share-permissions'])) {
+                    $sharePermissions = (int)$response['{http://open-collaboration-services.org/ns}share-permissions'];
+                    return $sharePermissions !== $cachedData['permissions'];
+                } elseif (isset($response['{http://owncloud.org/ns}permissions'])) {
+                    $permissions = $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
+                    return $permissions !== $cachedData['permissions'];
+                } else {
+                    return false;
+                }
+            } else {
+                $remoteMtime = strtotime($response['{DAV:}getlastmodified']);
+                return $remoteMtime > $time;
+            }
+        } catch (ClientHttpException $e) {
+            if ($e->getHttpStatus() === 405) {
+                if ($path === '') {
+                    // if root is gone it means the storage is not available
+                    throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
+                }
+                return false;
+            }
+            $this->convertException($e, $path);
+            return false;
+        } catch (\Exception $e) {
+            $this->convertException($e, $path);
+            return false;
+        }
+    }
+
+    /**
+     * Interpret the given exception and decide whether it is due to an
+     * unavailable storage, invalid storage or other.
+     * This will either throw StorageInvalidException, StorageNotAvailableException
+     * or do nothing.
+     *
+     * @param Exception $e sabre exception
+     * @param string $path optional path from the operation
+     *
+     * @throws StorageInvalidException if the storage is invalid, for example
+     * when the authentication expired or is invalid
+     * @throws StorageNotAvailableException if the storage is not available,
+     * which might be temporary
+     * @throws ForbiddenException if the action is not allowed
+     */
+    protected function convertException(Exception $e, $path = '') {
+        \OC::$server->getLogger()->logException($e, ['app' => 'files_external', 'level' => ILogger::DEBUG]);
+        if ($e instanceof ClientHttpException) {
+            if ($e->getHttpStatus() === Http::STATUS_LOCKED) {
+                throw new \OCP\Lock\LockedException($path);
+            }
+            if ($e->getHttpStatus() === Http::STATUS_UNAUTHORIZED) {
+                // either password was changed or was invalid all along
+                throw new StorageInvalidException(get_class($e) . ': ' . $e->getMessage());
+            } elseif ($e->getHttpStatus() === Http::STATUS_METHOD_NOT_ALLOWED) {
+                // ignore exception for MethodNotAllowed, false will be returned
+                return;
+            } elseif ($e->getHttpStatus() === Http::STATUS_FORBIDDEN) {
+                // The operation is forbidden. Fail somewhat gracefully
+                throw new ForbiddenException(get_class($e) . ':' . $e->getMessage(), false);
+            }
+            throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
+        } elseif ($e instanceof ClientException) {
+            // connection timeout or refused, server could be temporarily down
+            throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
+        } elseif ($e instanceof \InvalidArgumentException) {
+            // parse error because the server returned HTML instead of XML,
+            // possibly temporarily down
+            throw new StorageNotAvailableException(get_class($e) . ': ' . $e->getMessage());
+        } elseif (($e instanceof StorageNotAvailableException) || ($e instanceof StorageInvalidException)) {
+            // rethrow
+            throw $e;
+        }
+
+        // TODO: only log for now, but in the future need to wrap/rethrow exception
+    }
 }

lib/private/Files/Storage/Wrapper/Encoding.php

Indentation +502 added lines, -502 removed lines

@@ -37,506 +37,506 @@
  */
 class Encoding extends Wrapper {
 
-	/**
-	 * @var ICache
-	 */
-	private $namesCache;
-
-	/**
-	 * @param array $parameters
-	 */
-	public function __construct($parameters) {
-		$this->storage = $parameters['storage'];
-		$this->namesCache = new CappedMemoryCache();
-	}
-
-	/**
-	 * Returns whether the given string is only made of ASCII characters
-	 *
-	 * @param string $str string
-	 *
-	 * @return bool true if the string is all ASCII, false otherwise
-	 */
-	private function isAscii($str) {
-		return (bool) !preg_match('/[\\x80-\\xff]+/', $str);
-	}
-
-	/**
-	 * Checks whether the given path exists in NFC or NFD form after checking
-	 * each form for each path section and returns the correct form.
-	 * If no existing path found, returns the path as it was given.
-	 *
-	 * @param string $fullPath path to check
-	 *
-	 * @return string original or converted path
-	 */
-	private function findPathToUse($fullPath) {
-		$cachedPath = $this->namesCache[$fullPath];
-		if ($cachedPath !== null) {
-			return $cachedPath;
-		}
-
-		$sections = explode('/', $fullPath);
-		$path = '';
-		foreach ($sections as $section) {
-			$convertedPath = $this->findPathToUseLastSection($path, $section);
-			if ($convertedPath === null) {
-				// no point in continuing if the section was not found, use original path
-				return $fullPath;
-			}
-			$path = $convertedPath . '/';
-		}
-		$path = rtrim($path, '/');
-		return $path;
-	}
-
-	/**
-	 * Checks whether the last path section of the given path exists in NFC or NFD form
-	 * and returns the correct form. If no existing path found, returns null.
-	 *
-	 * @param string $basePath base path to check
-	 * @param string $lastSection last section of the path to check for NFD/NFC variations
-	 *
-	 * @return string|null original or converted path, or null if none of the forms was found
-	 */
-	private function findPathToUseLastSection($basePath, $lastSection) {
-		$fullPath = $basePath . $lastSection;
-		if ($lastSection === '' || $this->isAscii($lastSection) || $this->storage->file_exists($fullPath)) {
-			$this->namesCache[$fullPath] = $fullPath;
-			return $fullPath;
-		}
-
-		// swap encoding
-		if (\Normalizer::isNormalized($lastSection, \Normalizer::FORM_C)) {
-			$otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_D);
-		} else {
-			$otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_C);
-		}
-		$otherFullPath = $basePath . $otherFormPath;
-		if ($this->storage->file_exists($otherFullPath)) {
-			$this->namesCache[$fullPath] = $otherFullPath;
-			return $otherFullPath;
-		}
-
-		// return original path, file did not exist at all
-		$this->namesCache[$fullPath] = $fullPath;
-		return null;
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.mkdir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function mkdir($path) {
-		// note: no conversion here, method should not be called with non-NFC names!
-		$result = $this->storage->mkdir($path);
-		if ($result) {
-			$this->namesCache[$path] = $path;
-		}
-		return $result;
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.rmdir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function rmdir($path) {
-		$result = $this->storage->rmdir($this->findPathToUse($path));
-		if ($result) {
-			unset($this->namesCache[$path]);
-		}
-		return $result;
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.opendir.php
-	 *
-	 * @param string $path
-	 * @return resource
-	 */
-	public function opendir($path) {
-		return $this->storage->opendir($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.is_dir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function is_dir($path) {
-		return $this->storage->is_dir($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.is_file.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function is_file($path) {
-		return $this->storage->is_file($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.stat.php
-	 * only the following keys are required in the result: size and mtime
-	 *
-	 * @param string $path
-	 * @return array
-	 */
-	public function stat($path) {
-		return $this->storage->stat($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.filetype.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function filetype($path) {
-		return $this->storage->filetype($this->findPathToUse($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 $path
-	 * @return int
-	 */
-	public function filesize($path) {
-		return $this->storage->filesize($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file can be created in $path
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isCreatable($path) {
-		return $this->storage->isCreatable($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file can be read
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isReadable($path) {
-		return $this->storage->isReadable($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file can be written to
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isUpdatable($path) {
-		return $this->storage->isUpdatable($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file can be deleted
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isDeletable($path) {
-		return $this->storage->isDeletable($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file can be shared
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isSharable($path) {
-		return $this->storage->isSharable($this->findPathToUse($path));
-	}
-
-	/**
-	 * get the full permissions of a path.
-	 * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function getPermissions($path) {
-		return $this->storage->getPermissions($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_exists.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function file_exists($path) {
-		return $this->storage->file_exists($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.filemtime.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function filemtime($path) {
-		return $this->storage->filemtime($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_get_contents.php
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function file_get_contents($path) {
-		return $this->storage->file_get_contents($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_put_contents.php
-	 *
-	 * @param string $path
-	 * @param mixed $data
-	 * @return int|false
-	 */
-	public function file_put_contents($path, $data) {
-		return $this->storage->file_put_contents($this->findPathToUse($path), $data);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.unlink.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function unlink($path) {
-		$result = $this->storage->unlink($this->findPathToUse($path));
-		if ($result) {
-			unset($this->namesCache[$path]);
-		}
-		return $result;
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.rename.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 */
-	public function rename($path1, $path2) {
-		// second name always NFC
-		return $this->storage->rename($this->findPathToUse($path1), $this->findPathToUse($path2));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.copy.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 */
-	public function copy($path1, $path2) {
-		return $this->storage->copy($this->findPathToUse($path1), $this->findPathToUse($path2));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.fopen.php
-	 *
-	 * @param string $path
-	 * @param string $mode
-	 * @return resource
-	 */
-	public function fopen($path, $mode) {
-		$result = $this->storage->fopen($this->findPathToUse($path), $mode);
-		if ($result && $mode !== 'r' && $mode !== 'rb') {
-			unset($this->namesCache[$path]);
-		}
-		return $result;
-	}
-
-	/**
-	 * get the mimetype for a file or folder
-	 * The mimetype for a folder is required to be "httpd/unix-directory"
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getMimeType($path) {
-		return $this->storage->getMimeType($this->findPathToUse($path));
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.hash.php
-	 *
-	 * @param string $type
-	 * @param string $path
-	 * @param bool $raw
-	 * @return string
-	 */
-	public function hash($type, $path, $raw = false) {
-		return $this->storage->hash($type, $this->findPathToUse($path), $raw);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.free_space.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function free_space($path) {
-		return $this->storage->free_space($this->findPathToUse($path));
-	}
-
-	/**
-	 * search for occurrences of $query in file names
-	 *
-	 * @param string $query
-	 * @return array
-	 */
-	public function search($query) {
-		return $this->storage->search($query);
-	}
-
-	/**
-	 * 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 $mtime
-	 * @return bool
-	 */
-	public function touch($path, $mtime = null) {
-		return $this->storage->touch($this->findPathToUse($path), $mtime);
-	}
-
-	/**
-	 * 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 $path
-	 * @return string
-	 */
-	public function getLocalFile($path) {
-		return $this->storage->getLocalFile($this->findPathToUse($path));
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 *
-	 * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
-	 * returning true for other changes in the folder is optional
-	 */
-	public function hasUpdated($path, $time) {
-		return $this->storage->hasUpdated($this->findPathToUse($path), $time);
-	}
-
-	/**
-	 * get a cache instance for the storage
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
-	 * @return \OC\Files\Cache\Cache
-	 */
-	public function getCache($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->storage->getCache($this->findPathToUse($path), $storage);
-	}
-
-	/**
-	 * get a scanner instance for the storage
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
-	 * @return \OC\Files\Cache\Scanner
-	 */
-	public function getScanner($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->storage->getScanner($this->findPathToUse($path), $storage);
-	}
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getETag($path) {
-		return $this->storage->getETag($this->findPathToUse($path));
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($sourceStorage === $this) {
-			return $this->copy($sourceInternalPath, $this->findPathToUse($targetInternalPath));
-		}
-
-		$result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $this->findPathToUse($targetInternalPath));
-		if ($result) {
-			unset($this->namesCache[$targetInternalPath]);
-		}
-		return $result;
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($sourceStorage === $this) {
-			$result = $this->rename($sourceInternalPath, $this->findPathToUse($targetInternalPath));
-			if ($result) {
-				unset($this->namesCache[$sourceInternalPath]);
-				unset($this->namesCache[$targetInternalPath]);
-			}
-			return $result;
-		}
-
-		$result = $this->storage->moveFromStorage($sourceStorage, $sourceInternalPath, $this->findPathToUse($targetInternalPath));
-		if ($result) {
-			unset($this->namesCache[$sourceInternalPath]);
-			unset($this->namesCache[$targetInternalPath]);
-		}
-		return $result;
-	}
-
-	/**
-	 * @param string $path
-	 * @return array
-	 */
-	public function getMetaData($path) {
-		return $this->storage->getMetaData($this->findPathToUse($path));
-	}
-
-	public function getDirectoryContent($directory): \Traversable {
-		return $this->storage->getDirectoryContent($this->findPathToUse($directory));
-	}
+    /**
+     * @var ICache
+     */
+    private $namesCache;
+
+    /**
+     * @param array $parameters
+     */
+    public function __construct($parameters) {
+        $this->storage = $parameters['storage'];
+        $this->namesCache = new CappedMemoryCache();
+    }
+
+    /**
+     * Returns whether the given string is only made of ASCII characters
+     *
+     * @param string $str string
+     *
+     * @return bool true if the string is all ASCII, false otherwise
+     */
+    private function isAscii($str) {
+        return (bool) !preg_match('/[\\x80-\\xff]+/', $str);
+    }
+
+    /**
+     * Checks whether the given path exists in NFC or NFD form after checking
+     * each form for each path section and returns the correct form.
+     * If no existing path found, returns the path as it was given.
+     *
+     * @param string $fullPath path to check
+     *
+     * @return string original or converted path
+     */
+    private function findPathToUse($fullPath) {
+        $cachedPath = $this->namesCache[$fullPath];
+        if ($cachedPath !== null) {
+            return $cachedPath;
+        }
+
+        $sections = explode('/', $fullPath);
+        $path = '';
+        foreach ($sections as $section) {
+            $convertedPath = $this->findPathToUseLastSection($path, $section);
+            if ($convertedPath === null) {
+                // no point in continuing if the section was not found, use original path
+                return $fullPath;
+            }
+            $path = $convertedPath . '/';
+        }
+        $path = rtrim($path, '/');
+        return $path;
+    }
+
+    /**
+     * Checks whether the last path section of the given path exists in NFC or NFD form
+     * and returns the correct form. If no existing path found, returns null.
+     *
+     * @param string $basePath base path to check
+     * @param string $lastSection last section of the path to check for NFD/NFC variations
+     *
+     * @return string|null original or converted path, or null if none of the forms was found
+     */
+    private function findPathToUseLastSection($basePath, $lastSection) {
+        $fullPath = $basePath . $lastSection;
+        if ($lastSection === '' || $this->isAscii($lastSection) || $this->storage->file_exists($fullPath)) {
+            $this->namesCache[$fullPath] = $fullPath;
+            return $fullPath;
+        }
+
+        // swap encoding
+        if (\Normalizer::isNormalized($lastSection, \Normalizer::FORM_C)) {
+            $otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_D);
+        } else {
+            $otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_C);
+        }
+        $otherFullPath = $basePath . $otherFormPath;
+        if ($this->storage->file_exists($otherFullPath)) {
+            $this->namesCache[$fullPath] = $otherFullPath;
+            return $otherFullPath;
+        }
+
+        // return original path, file did not exist at all
+        $this->namesCache[$fullPath] = $fullPath;
+        return null;
+    }
+
+    /**
+     * see http://php.net/manual/en/function.mkdir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function mkdir($path) {
+        // note: no conversion here, method should not be called with non-NFC names!
+        $result = $this->storage->mkdir($path);
+        if ($result) {
+            $this->namesCache[$path] = $path;
+        }
+        return $result;
+    }
+
+    /**
+     * see http://php.net/manual/en/function.rmdir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function rmdir($path) {
+        $result = $this->storage->rmdir($this->findPathToUse($path));
+        if ($result) {
+            unset($this->namesCache[$path]);
+        }
+        return $result;
+    }
+
+    /**
+     * see http://php.net/manual/en/function.opendir.php
+     *
+     * @param string $path
+     * @return resource
+     */
+    public function opendir($path) {
+        return $this->storage->opendir($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.is_dir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function is_dir($path) {
+        return $this->storage->is_dir($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.is_file.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function is_file($path) {
+        return $this->storage->is_file($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.stat.php
+     * only the following keys are required in the result: size and mtime
+     *
+     * @param string $path
+     * @return array
+     */
+    public function stat($path) {
+        return $this->storage->stat($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.filetype.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function filetype($path) {
+        return $this->storage->filetype($this->findPathToUse($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 $path
+     * @return int
+     */
+    public function filesize($path) {
+        return $this->storage->filesize($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file can be created in $path
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isCreatable($path) {
+        return $this->storage->isCreatable($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file can be read
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isReadable($path) {
+        return $this->storage->isReadable($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file can be written to
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isUpdatable($path) {
+        return $this->storage->isUpdatable($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file can be deleted
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isDeletable($path) {
+        return $this->storage->isDeletable($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file can be shared
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isSharable($path) {
+        return $this->storage->isSharable($this->findPathToUse($path));
+    }
+
+    /**
+     * get the full permissions of a path.
+     * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function getPermissions($path) {
+        return $this->storage->getPermissions($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_exists.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function file_exists($path) {
+        return $this->storage->file_exists($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.filemtime.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function filemtime($path) {
+        return $this->storage->filemtime($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_get_contents.php
+     *
+     * @param string $path
+     * @return string
+     */
+    public function file_get_contents($path) {
+        return $this->storage->file_get_contents($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_put_contents.php
+     *
+     * @param string $path
+     * @param mixed $data
+     * @return int|false
+     */
+    public function file_put_contents($path, $data) {
+        return $this->storage->file_put_contents($this->findPathToUse($path), $data);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.unlink.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function unlink($path) {
+        $result = $this->storage->unlink($this->findPathToUse($path));
+        if ($result) {
+            unset($this->namesCache[$path]);
+        }
+        return $result;
+    }
+
+    /**
+     * see http://php.net/manual/en/function.rename.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     */
+    public function rename($path1, $path2) {
+        // second name always NFC
+        return $this->storage->rename($this->findPathToUse($path1), $this->findPathToUse($path2));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.copy.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     */
+    public function copy($path1, $path2) {
+        return $this->storage->copy($this->findPathToUse($path1), $this->findPathToUse($path2));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.fopen.php
+     *
+     * @param string $path
+     * @param string $mode
+     * @return resource
+     */
+    public function fopen($path, $mode) {
+        $result = $this->storage->fopen($this->findPathToUse($path), $mode);
+        if ($result && $mode !== 'r' && $mode !== 'rb') {
+            unset($this->namesCache[$path]);
+        }
+        return $result;
+    }
+
+    /**
+     * get the mimetype for a file or folder
+     * The mimetype for a folder is required to be "httpd/unix-directory"
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getMimeType($path) {
+        return $this->storage->getMimeType($this->findPathToUse($path));
+    }
+
+    /**
+     * see http://php.net/manual/en/function.hash.php
+     *
+     * @param string $type
+     * @param string $path
+     * @param bool $raw
+     * @return string
+     */
+    public function hash($type, $path, $raw = false) {
+        return $this->storage->hash($type, $this->findPathToUse($path), $raw);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.free_space.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function free_space($path) {
+        return $this->storage->free_space($this->findPathToUse($path));
+    }
+
+    /**
+     * search for occurrences of $query in file names
+     *
+     * @param string $query
+     * @return array
+     */
+    public function search($query) {
+        return $this->storage->search($query);
+    }
+
+    /**
+     * 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 $mtime
+     * @return bool
+     */
+    public function touch($path, $mtime = null) {
+        return $this->storage->touch($this->findPathToUse($path), $mtime);
+    }
+
+    /**
+     * 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 $path
+     * @return string
+     */
+    public function getLocalFile($path) {
+        return $this->storage->getLocalFile($this->findPathToUse($path));
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     *
+     * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
+     * returning true for other changes in the folder is optional
+     */
+    public function hasUpdated($path, $time) {
+        return $this->storage->hasUpdated($this->findPathToUse($path), $time);
+    }
+
+    /**
+     * get a cache instance for the storage
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
+     * @return \OC\Files\Cache\Cache
+     */
+    public function getCache($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->storage->getCache($this->findPathToUse($path), $storage);
+    }
+
+    /**
+     * get a scanner instance for the storage
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
+     * @return \OC\Files\Cache\Scanner
+     */
+    public function getScanner($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->storage->getScanner($this->findPathToUse($path), $storage);
+    }
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getETag($path) {
+        return $this->storage->getETag($this->findPathToUse($path));
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($sourceStorage === $this) {
+            return $this->copy($sourceInternalPath, $this->findPathToUse($targetInternalPath));
+        }
+
+        $result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $this->findPathToUse($targetInternalPath));
+        if ($result) {
+            unset($this->namesCache[$targetInternalPath]);
+        }
+        return $result;
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($sourceStorage === $this) {
+            $result = $this->rename($sourceInternalPath, $this->findPathToUse($targetInternalPath));
+            if ($result) {
+                unset($this->namesCache[$sourceInternalPath]);
+                unset($this->namesCache[$targetInternalPath]);
+            }
+            return $result;
+        }
+
+        $result = $this->storage->moveFromStorage($sourceStorage, $sourceInternalPath, $this->findPathToUse($targetInternalPath));
+        if ($result) {
+            unset($this->namesCache[$sourceInternalPath]);
+            unset($this->namesCache[$targetInternalPath]);
+        }
+        return $result;
+    }
+
+    /**
+     * @param string $path
+     * @return array
+     */
+    public function getMetaData($path) {
+        return $this->storage->getMetaData($this->findPathToUse($path));
+    }
+
+    public function getDirectoryContent($directory): \Traversable {
+        return $this->storage->getDirectoryContent($this->findPathToUse($directory));
+    }
 }

lib/private/Files/Storage/Wrapper/Quota.php

Indentation +204 added lines, -204 removed lines

@@ -36,208 +36,208 @@
 
 class Quota extends Wrapper {
 
-	/**
-	 * @var int $quota
-	 */
-	protected $quota;
-
-	/**
-	 * @var string $sizeRoot
-	 */
-	protected $sizeRoot;
-
-	private $config;
-
-	/**
-	 * @param array $parameters
-	 */
-	public function __construct($parameters) {
-		parent::__construct($parameters);
-		$this->quota = $parameters['quota'];
-		$this->sizeRoot = isset($parameters['root']) ? $parameters['root'] : '';
-		$this->config = \OC::$server->getSystemConfig();
-	}
-
-	/**
-	 * @return int quota value
-	 */
-	public function getQuota() {
-		return $this->quota;
-	}
-
-	/**
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage $storage
-	 */
-	protected function getSize($path, $storage = null) {
-		if ($this->config->getValue('quota_include_external_storage', false)) {
-			$rootInfo = Filesystem::getFileInfo('', 'ext');
-			if ($rootInfo) {
-				return $rootInfo->getSize(true);
-			}
-			return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
-		} else {
-			if (is_null($storage)) {
-				$cache = $this->getCache();
-			} else {
-				$cache = $storage->getCache();
-			}
-			$data = $cache->get($path);
-			if ($data instanceof ICacheEntry and isset($data['size'])) {
-				return $data['size'];
-			} else {
-				return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
-			}
-		}
-	}
-
-	/**
-	 * Get free space as limited by the quota
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function free_space($path) {
-		if ($this->quota < 0 || strpos($path, 'cache') === 0 || strpos($path, 'uploads') === 0) {
-			return $this->storage->free_space($path);
-		} else {
-			$used = $this->getSize($this->sizeRoot);
-			if ($used < 0) {
-				return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
-			} else {
-				$free = $this->storage->free_space($path);
-				$quotaFree = max($this->quota - $used, 0);
-				// if free space is known
-				if ($free >= 0) {
-					$free = min($free, $quotaFree);
-				} else {
-					$free = $quotaFree;
-				}
-				return $free;
-			}
-		}
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_put_contents.php
-	 *
-	 * @param string $path
-	 * @param mixed $data
-	 * @return int|false
-	 */
-	public function file_put_contents($path, $data) {
-		$free = $this->free_space($path);
-		if ($free < 0 or strlen($data) < $free) {
-			return $this->storage->file_put_contents($path, $data);
-		} else {
-			return false;
-		}
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.copy.php
-	 *
-	 * @param string $source
-	 * @param string $target
-	 * @return bool
-	 */
-	public function copy($source, $target) {
-		$free = $this->free_space($target);
-		if ($free < 0 or $this->getSize($source) < $free) {
-			return $this->storage->copy($source, $target);
-		} else {
-			return false;
-		}
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.fopen.php
-	 *
-	 * @param string $path
-	 * @param string $mode
-	 * @return resource
-	 */
-	public function fopen($path, $mode) {
-		$source = $this->storage->fopen($path, $mode);
-
-		// don't apply quota for part files
-		if (!$this->isPartFile($path)) {
-			$free = $this->free_space($path);
-			if ($source && $free >= 0 && $mode !== 'r' && $mode !== 'rb') {
-				// only apply quota for files, not metadata, trash or others
-				if ($this->shouldApplyQuota($path)) {
-					return \OC\Files\Stream\Quota::wrap($source, $free);
-				}
-			}
-		}
-		return $source;
-	}
-
-	/**
-	 * Checks whether the given path is a part file
-	 *
-	 * @param string $path Path that may identify a .part file
-	 * @return string File path without .part extension
-	 * @note this is needed for reusing keys
-	 */
-	private function isPartFile($path) {
-		$extension = pathinfo($path, PATHINFO_EXTENSION);
-
-		return ($extension === 'part');
-	}
-
-	/**
-	 * Only apply quota for files, not metadata, trash or others
-	 */
-	private function shouldApplyQuota(string $path): bool {
-		return strpos(ltrim($path, '/'), 'files/') === 0;
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		$free = $this->free_space($targetInternalPath);
-		if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
-			return $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		} else {
-			return false;
-		}
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		$free = $this->free_space($targetInternalPath);
-		if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
-			return $this->storage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		} else {
-			return false;
-		}
-	}
-
-	public function mkdir($path) {
-		$free = $this->free_space($path);
-		if ($this->shouldApplyQuota($path) && $free === 0.0) {
-			return false;
-		}
-
-		return parent::mkdir($path);
-	}
-
-	public function touch($path, $mtime = null) {
-		$free = $this->free_space($path);
-		if ($free === 0.0) {
-			return false;
-		}
-
-		return parent::touch($path, $mtime);
-	}
+    /**
+     * @var int $quota
+     */
+    protected $quota;
+
+    /**
+     * @var string $sizeRoot
+     */
+    protected $sizeRoot;
+
+    private $config;
+
+    /**
+     * @param array $parameters
+     */
+    public function __construct($parameters) {
+        parent::__construct($parameters);
+        $this->quota = $parameters['quota'];
+        $this->sizeRoot = isset($parameters['root']) ? $parameters['root'] : '';
+        $this->config = \OC::$server->getSystemConfig();
+    }
+
+    /**
+     * @return int quota value
+     */
+    public function getQuota() {
+        return $this->quota;
+    }
+
+    /**
+     * @param string $path
+     * @param \OC\Files\Storage\Storage $storage
+     */
+    protected function getSize($path, $storage = null) {
+        if ($this->config->getValue('quota_include_external_storage', false)) {
+            $rootInfo = Filesystem::getFileInfo('', 'ext');
+            if ($rootInfo) {
+                return $rootInfo->getSize(true);
+            }
+            return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
+        } else {
+            if (is_null($storage)) {
+                $cache = $this->getCache();
+            } else {
+                $cache = $storage->getCache();
+            }
+            $data = $cache->get($path);
+            if ($data instanceof ICacheEntry and isset($data['size'])) {
+                return $data['size'];
+            } else {
+                return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
+            }
+        }
+    }
+
+    /**
+     * Get free space as limited by the quota
+     *
+     * @param string $path
+     * @return int
+     */
+    public function free_space($path) {
+        if ($this->quota < 0 || strpos($path, 'cache') === 0 || strpos($path, 'uploads') === 0) {
+            return $this->storage->free_space($path);
+        } else {
+            $used = $this->getSize($this->sizeRoot);
+            if ($used < 0) {
+                return \OCP\Files\FileInfo::SPACE_NOT_COMPUTED;
+            } else {
+                $free = $this->storage->free_space($path);
+                $quotaFree = max($this->quota - $used, 0);
+                // if free space is known
+                if ($free >= 0) {
+                    $free = min($free, $quotaFree);
+                } else {
+                    $free = $quotaFree;
+                }
+                return $free;
+            }
+        }
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_put_contents.php
+     *
+     * @param string $path
+     * @param mixed $data
+     * @return int|false
+     */
+    public function file_put_contents($path, $data) {
+        $free = $this->free_space($path);
+        if ($free < 0 or strlen($data) < $free) {
+            return $this->storage->file_put_contents($path, $data);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * see http://php.net/manual/en/function.copy.php
+     *
+     * @param string $source
+     * @param string $target
+     * @return bool
+     */
+    public function copy($source, $target) {
+        $free = $this->free_space($target);
+        if ($free < 0 or $this->getSize($source) < $free) {
+            return $this->storage->copy($source, $target);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * see http://php.net/manual/en/function.fopen.php
+     *
+     * @param string $path
+     * @param string $mode
+     * @return resource
+     */
+    public function fopen($path, $mode) {
+        $source = $this->storage->fopen($path, $mode);
+
+        // don't apply quota for part files
+        if (!$this->isPartFile($path)) {
+            $free = $this->free_space($path);
+            if ($source && $free >= 0 && $mode !== 'r' && $mode !== 'rb') {
+                // only apply quota for files, not metadata, trash or others
+                if ($this->shouldApplyQuota($path)) {
+                    return \OC\Files\Stream\Quota::wrap($source, $free);
+                }
+            }
+        }
+        return $source;
+    }
+
+    /**
+     * Checks whether the given path is a part file
+     *
+     * @param string $path Path that may identify a .part file
+     * @return string File path without .part extension
+     * @note this is needed for reusing keys
+     */
+    private function isPartFile($path) {
+        $extension = pathinfo($path, PATHINFO_EXTENSION);
+
+        return ($extension === 'part');
+    }
+
+    /**
+     * Only apply quota for files, not metadata, trash or others
+     */
+    private function shouldApplyQuota(string $path): bool {
+        return strpos(ltrim($path, '/'), 'files/') === 0;
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        $free = $this->free_space($targetInternalPath);
+        if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
+            return $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        $free = $this->free_space($targetInternalPath);
+        if ($free < 0 or $this->getSize($sourceInternalPath, $sourceStorage) < $free) {
+            return $this->storage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        } else {
+            return false;
+        }
+    }
+
+    public function mkdir($path) {
+        $free = $this->free_space($path);
+        if ($this->shouldApplyQuota($path) && $free === 0.0) {
+            return false;
+        }
+
+        return parent::mkdir($path);
+    }
+
+    public function touch($path, $mtime = null) {
+        $free = $this->free_space($path);
+        if ($free === 0.0) {
+            return false;
+        }
+
+        return parent::touch($path, $mtime);
+    }
 }

lib/private/Files/Storage/Wrapper/Wrapper.php

Indentation +604 added lines, -604 removed lines

@@ -37,608 +37,608 @@
 use OCP\Lock\ILockingProvider;
 
 class Wrapper implements \OC\Files\Storage\Storage, ILockingStorage, IWriteStreamStorage {
-	/**
-	 * @var \OC\Files\Storage\Storage $storage
-	 */
-	protected $storage;
-
-	public $cache;
-	public $scanner;
-	public $watcher;
-	public $propagator;
-	public $updater;
-
-	/**
-	 * @param array $parameters
-	 */
-	public function __construct($parameters) {
-		$this->storage = $parameters['storage'];
-	}
-
-	/**
-	 * @return \OC\Files\Storage\Storage
-	 */
-	public function getWrapperStorage() {
-		return $this->storage;
-	}
-
-	/**
-	 * 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
-	 */
-	public function getId() {
-		return $this->getWrapperStorage()->getId();
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.mkdir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function mkdir($path) {
-		return $this->getWrapperStorage()->mkdir($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.rmdir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function rmdir($path) {
-		return $this->getWrapperStorage()->rmdir($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.opendir.php
-	 *
-	 * @param string $path
-	 * @return resource
-	 */
-	public function opendir($path) {
-		return $this->getWrapperStorage()->opendir($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.is_dir.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function is_dir($path) {
-		return $this->getWrapperStorage()->is_dir($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.is_file.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function is_file($path) {
-		return $this->getWrapperStorage()->is_file($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.stat.php
-	 * only the following keys are required in the result: size and mtime
-	 *
-	 * @param string $path
-	 * @return array
-	 */
-	public function stat($path) {
-		return $this->getWrapperStorage()->stat($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.filetype.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function filetype($path) {
-		return $this->getWrapperStorage()->filetype($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 $path
-	 * @return int
-	 */
-	public function filesize($path) {
-		return $this->getWrapperStorage()->filesize($path);
-	}
-
-	/**
-	 * check if a file can be created in $path
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isCreatable($path) {
-		return $this->getWrapperStorage()->isCreatable($path);
-	}
-
-	/**
-	 * check if a file can be read
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isReadable($path) {
-		return $this->getWrapperStorage()->isReadable($path);
-	}
-
-	/**
-	 * check if a file can be written to
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isUpdatable($path) {
-		return $this->getWrapperStorage()->isUpdatable($path);
-	}
-
-	/**
-	 * check if a file can be deleted
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isDeletable($path) {
-		return $this->getWrapperStorage()->isDeletable($path);
-	}
-
-	/**
-	 * check if a file can be shared
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function isSharable($path) {
-		return $this->getWrapperStorage()->isSharable($path);
-	}
-
-	/**
-	 * get the full permissions of a path.
-	 * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function getPermissions($path) {
-		return $this->getWrapperStorage()->getPermissions($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_exists.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function file_exists($path) {
-		return $this->getWrapperStorage()->file_exists($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.filemtime.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function filemtime($path) {
-		return $this->getWrapperStorage()->filemtime($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_get_contents.php
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function file_get_contents($path) {
-		return $this->getWrapperStorage()->file_get_contents($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.file_put_contents.php
-	 *
-	 * @param string $path
-	 * @param mixed $data
-	 * @return int|false
-	 */
-	public function file_put_contents($path, $data) {
-		return $this->getWrapperStorage()->file_put_contents($path, $data);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.unlink.php
-	 *
-	 * @param string $path
-	 * @return bool
-	 */
-	public function unlink($path) {
-		return $this->getWrapperStorage()->unlink($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.rename.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 */
-	public function rename($path1, $path2) {
-		return $this->getWrapperStorage()->rename($path1, $path2);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.copy.php
-	 *
-	 * @param string $path1
-	 * @param string $path2
-	 * @return bool
-	 */
-	public function copy($path1, $path2) {
-		return $this->getWrapperStorage()->copy($path1, $path2);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.fopen.php
-	 *
-	 * @param string $path
-	 * @param string $mode
-	 * @return resource
-	 */
-	public function fopen($path, $mode) {
-		return $this->getWrapperStorage()->fopen($path, $mode);
-	}
-
-	/**
-	 * get the mimetype for a file or folder
-	 * The mimetype for a folder is required to be "httpd/unix-directory"
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getMimeType($path) {
-		return $this->getWrapperStorage()->getMimeType($path);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.hash.php
-	 *
-	 * @param string $type
-	 * @param string $path
-	 * @param bool $raw
-	 * @return string
-	 */
-	public function hash($type, $path, $raw = false) {
-		return $this->getWrapperStorage()->hash($type, $path, $raw);
-	}
-
-	/**
-	 * see http://php.net/manual/en/function.free_space.php
-	 *
-	 * @param string $path
-	 * @return int
-	 */
-	public function free_space($path) {
-		return $this->getWrapperStorage()->free_space($path);
-	}
-
-	/**
-	 * search for occurrences of $query in file names
-	 *
-	 * @param string $query
-	 * @return array
-	 */
-	public function search($query) {
-		return $this->getWrapperStorage()->search($query);
-	}
-
-	/**
-	 * 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 $mtime
-	 * @return bool
-	 */
-	public function touch($path, $mtime = null) {
-		return $this->getWrapperStorage()->touch($path, $mtime);
-	}
-
-	/**
-	 * 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 $path
-	 * @return string
-	 */
-	public function getLocalFile($path) {
-		return $this->getWrapperStorage()->getLocalFile($path);
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @return bool
-	 *
-	 * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
-	 * returning true for other changes in the folder is optional
-	 */
-	public function hasUpdated($path, $time) {
-		return $this->getWrapperStorage()->hasUpdated($path, $time);
-	}
-
-	/**
-	 * get a cache instance for the storage
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
-	 * @return \OC\Files\Cache\Cache
-	 */
-	public function getCache($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->getWrapperStorage()->getCache($path, $storage);
-	}
-
-	/**
-	 * get a scanner instance for the storage
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
-	 * @return \OC\Files\Cache\Scanner
-	 */
-	public function getScanner($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->getWrapperStorage()->getScanner($path, $storage);
-	}
-
-
-	/**
-	 * get the user id of the owner of a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getOwner($path) {
-		return $this->getWrapperStorage()->getOwner($path);
-	}
-
-	/**
-	 * get a watcher instance for the cache
-	 *
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
-	 * @return \OC\Files\Cache\Watcher
-	 */
-	public function getWatcher($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->getWrapperStorage()->getWatcher($path, $storage);
-	}
-
-	public function getPropagator($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->getWrapperStorage()->getPropagator($storage);
-	}
-
-	public function getUpdater($storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		return $this->getWrapperStorage()->getUpdater($storage);
-	}
-
-	/**
-	 * @return \OC\Files\Cache\Storage
-	 */
-	public function getStorageCache() {
-		return $this->getWrapperStorage()->getStorageCache();
-	}
-
-	/**
-	 * get the ETag for a file or folder
-	 *
-	 * @param string $path
-	 * @return string
-	 */
-	public function getETag($path) {
-		return $this->getWrapperStorage()->getETag($path);
-	}
-
-	/**
-	 * Returns true
-	 *
-	 * @return true
-	 */
-	public function test() {
-		return $this->getWrapperStorage()->test();
-	}
-
-	/**
-	 * Returns the wrapped storage's value for isLocal()
-	 *
-	 * @return bool wrapped storage's isLocal() value
-	 */
-	public function isLocal() {
-		return $this->getWrapperStorage()->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 $class
-	 * @return bool
-	 */
-	public function instanceOfStorage($class) {
-		if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
-			// FIXME Temporary fix to keep existing checks working
-			$class = '\OCA\Files_Sharing\SharedStorage';
-		}
-		return is_a($this, $class) or $this->getWrapperStorage()->instanceOfStorage($class);
-	}
-
-	/**
-	 * Pass any methods custom to specific storage implementations to the wrapped storage
-	 *
-	 * @param string $method
-	 * @param array $args
-	 * @return mixed
-	 */
-	public function __call($method, $args) {
-		return call_user_func_array([$this->getWrapperStorage(), $method], $args);
-	}
-
-	/**
-	 * 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 $path
-	 * @return array
-	 */
-	public function getDirectDownload($path) {
-		return $this->getWrapperStorage()->getDirectDownload($path);
-	}
-
-	/**
-	 * Get availability of the storage
-	 *
-	 * @return array [ available, last_checked ]
-	 */
-	public function getAvailability() {
-		return $this->getWrapperStorage()->getAvailability();
-	}
-
-	/**
-	 * Set availability of the storage
-	 *
-	 * @param bool $isAvailable
-	 */
-	public function setAvailability($isAvailable) {
-		$this->getWrapperStorage()->setAvailability($isAvailable);
-	}
-
-	/**
-	 * @param string $path the path of the target folder
-	 * @param string $fileName the name of the file itself
-	 * @return void
-	 * @throws InvalidPathException
-	 */
-	public function verifyPath($path, $fileName) {
-		$this->getWrapperStorage()->verifyPath($path, $fileName);
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($sourceStorage === $this) {
-			return $this->copy($sourceInternalPath, $targetInternalPath);
-		}
-
-		return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-	}
-
-	/**
-	 * @param IStorage $sourceStorage
-	 * @param string $sourceInternalPath
-	 * @param string $targetInternalPath
-	 * @return bool
-	 */
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
-		if ($sourceStorage === $this) {
-			return $this->rename($sourceInternalPath, $targetInternalPath);
-		}
-
-		return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-	}
-
-	/**
-	 * @param string $path
-	 * @return array
-	 */
-	public function getMetaData($path) {
-		return $this->getWrapperStorage()->getMetaData($path);
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 * @throws \OCP\Lock\LockedException
-	 */
-	public function acquireLock($path, $type, ILockingProvider $provider) {
-		if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-			$this->getWrapperStorage()->acquireLock($path, $type, $provider);
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 */
-	public function releaseLock($path, $type, ILockingProvider $provider) {
-		if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-			$this->getWrapperStorage()->releaseLock($path, $type, $provider);
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
-	 * @param \OCP\Lock\ILockingProvider $provider
-	 */
-	public function changeLock($path, $type, ILockingProvider $provider) {
-		if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
-			$this->getWrapperStorage()->changeLock($path, $type, $provider);
-		}
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function needsPartFile() {
-		return $this->getWrapperStorage()->needsPartFile();
-	}
-
-	public function writeStream(string $path, $stream, int $size = null): int {
-		$storage = $this->getWrapperStorage();
-		if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
-			/** @var IWriteStreamStorage $storage */
-			return $storage->writeStream($path, $stream, $size);
-		} else {
-			$target = $this->fopen($path, 'w');
-			list($count, $result) = \OC_Helper::streamCopy($stream, $target);
-			fclose($stream);
-			fclose($target);
-			return $count;
-		}
-	}
-
-	public function getDirectoryContent($directory): \Traversable {
-		return $this->getWrapperStorage()->getDirectoryContent($directory);
-	}
+    /**
+     * @var \OC\Files\Storage\Storage $storage
+     */
+    protected $storage;
+
+    public $cache;
+    public $scanner;
+    public $watcher;
+    public $propagator;
+    public $updater;
+
+    /**
+     * @param array $parameters
+     */
+    public function __construct($parameters) {
+        $this->storage = $parameters['storage'];
+    }
+
+    /**
+     * @return \OC\Files\Storage\Storage
+     */
+    public function getWrapperStorage() {
+        return $this->storage;
+    }
+
+    /**
+     * 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
+     */
+    public function getId() {
+        return $this->getWrapperStorage()->getId();
+    }
+
+    /**
+     * see http://php.net/manual/en/function.mkdir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function mkdir($path) {
+        return $this->getWrapperStorage()->mkdir($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.rmdir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function rmdir($path) {
+        return $this->getWrapperStorage()->rmdir($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.opendir.php
+     *
+     * @param string $path
+     * @return resource
+     */
+    public function opendir($path) {
+        return $this->getWrapperStorage()->opendir($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.is_dir.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function is_dir($path) {
+        return $this->getWrapperStorage()->is_dir($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.is_file.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function is_file($path) {
+        return $this->getWrapperStorage()->is_file($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.stat.php
+     * only the following keys are required in the result: size and mtime
+     *
+     * @param string $path
+     * @return array
+     */
+    public function stat($path) {
+        return $this->getWrapperStorage()->stat($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.filetype.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function filetype($path) {
+        return $this->getWrapperStorage()->filetype($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 $path
+     * @return int
+     */
+    public function filesize($path) {
+        return $this->getWrapperStorage()->filesize($path);
+    }
+
+    /**
+     * check if a file can be created in $path
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isCreatable($path) {
+        return $this->getWrapperStorage()->isCreatable($path);
+    }
+
+    /**
+     * check if a file can be read
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isReadable($path) {
+        return $this->getWrapperStorage()->isReadable($path);
+    }
+
+    /**
+     * check if a file can be written to
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isUpdatable($path) {
+        return $this->getWrapperStorage()->isUpdatable($path);
+    }
+
+    /**
+     * check if a file can be deleted
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isDeletable($path) {
+        return $this->getWrapperStorage()->isDeletable($path);
+    }
+
+    /**
+     * check if a file can be shared
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function isSharable($path) {
+        return $this->getWrapperStorage()->isSharable($path);
+    }
+
+    /**
+     * get the full permissions of a path.
+     * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function getPermissions($path) {
+        return $this->getWrapperStorage()->getPermissions($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_exists.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function file_exists($path) {
+        return $this->getWrapperStorage()->file_exists($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.filemtime.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function filemtime($path) {
+        return $this->getWrapperStorage()->filemtime($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_get_contents.php
+     *
+     * @param string $path
+     * @return string
+     */
+    public function file_get_contents($path) {
+        return $this->getWrapperStorage()->file_get_contents($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.file_put_contents.php
+     *
+     * @param string $path
+     * @param mixed $data
+     * @return int|false
+     */
+    public function file_put_contents($path, $data) {
+        return $this->getWrapperStorage()->file_put_contents($path, $data);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.unlink.php
+     *
+     * @param string $path
+     * @return bool
+     */
+    public function unlink($path) {
+        return $this->getWrapperStorage()->unlink($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.rename.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     */
+    public function rename($path1, $path2) {
+        return $this->getWrapperStorage()->rename($path1, $path2);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.copy.php
+     *
+     * @param string $path1
+     * @param string $path2
+     * @return bool
+     */
+    public function copy($path1, $path2) {
+        return $this->getWrapperStorage()->copy($path1, $path2);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.fopen.php
+     *
+     * @param string $path
+     * @param string $mode
+     * @return resource
+     */
+    public function fopen($path, $mode) {
+        return $this->getWrapperStorage()->fopen($path, $mode);
+    }
+
+    /**
+     * get the mimetype for a file or folder
+     * The mimetype for a folder is required to be "httpd/unix-directory"
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getMimeType($path) {
+        return $this->getWrapperStorage()->getMimeType($path);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.hash.php
+     *
+     * @param string $type
+     * @param string $path
+     * @param bool $raw
+     * @return string
+     */
+    public function hash($type, $path, $raw = false) {
+        return $this->getWrapperStorage()->hash($type, $path, $raw);
+    }
+
+    /**
+     * see http://php.net/manual/en/function.free_space.php
+     *
+     * @param string $path
+     * @return int
+     */
+    public function free_space($path) {
+        return $this->getWrapperStorage()->free_space($path);
+    }
+
+    /**
+     * search for occurrences of $query in file names
+     *
+     * @param string $query
+     * @return array
+     */
+    public function search($query) {
+        return $this->getWrapperStorage()->search($query);
+    }
+
+    /**
+     * 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 $mtime
+     * @return bool
+     */
+    public function touch($path, $mtime = null) {
+        return $this->getWrapperStorage()->touch($path, $mtime);
+    }
+
+    /**
+     * 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 $path
+     * @return string
+     */
+    public function getLocalFile($path) {
+        return $this->getWrapperStorage()->getLocalFile($path);
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @return bool
+     *
+     * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
+     * returning true for other changes in the folder is optional
+     */
+    public function hasUpdated($path, $time) {
+        return $this->getWrapperStorage()->hasUpdated($path, $time);
+    }
+
+    /**
+     * get a cache instance for the storage
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
+     * @return \OC\Files\Cache\Cache
+     */
+    public function getCache($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->getWrapperStorage()->getCache($path, $storage);
+    }
+
+    /**
+     * get a scanner instance for the storage
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
+     * @return \OC\Files\Cache\Scanner
+     */
+    public function getScanner($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->getWrapperStorage()->getScanner($path, $storage);
+    }
+
+
+    /**
+     * get the user id of the owner of a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getOwner($path) {
+        return $this->getWrapperStorage()->getOwner($path);
+    }
+
+    /**
+     * get a watcher instance for the cache
+     *
+     * @param string $path
+     * @param \OC\Files\Storage\Storage (optional) the storage to pass to the watcher
+     * @return \OC\Files\Cache\Watcher
+     */
+    public function getWatcher($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->getWrapperStorage()->getWatcher($path, $storage);
+    }
+
+    public function getPropagator($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->getWrapperStorage()->getPropagator($storage);
+    }
+
+    public function getUpdater($storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        return $this->getWrapperStorage()->getUpdater($storage);
+    }
+
+    /**
+     * @return \OC\Files\Cache\Storage
+     */
+    public function getStorageCache() {
+        return $this->getWrapperStorage()->getStorageCache();
+    }
+
+    /**
+     * get the ETag for a file or folder
+     *
+     * @param string $path
+     * @return string
+     */
+    public function getETag($path) {
+        return $this->getWrapperStorage()->getETag($path);
+    }
+
+    /**
+     * Returns true
+     *
+     * @return true
+     */
+    public function test() {
+        return $this->getWrapperStorage()->test();
+    }
+
+    /**
+     * Returns the wrapped storage's value for isLocal()
+     *
+     * @return bool wrapped storage's isLocal() value
+     */
+    public function isLocal() {
+        return $this->getWrapperStorage()->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 $class
+     * @return bool
+     */
+    public function instanceOfStorage($class) {
+        if (ltrim($class, '\\') === 'OC\Files\Storage\Shared') {
+            // FIXME Temporary fix to keep existing checks working
+            $class = '\OCA\Files_Sharing\SharedStorage';
+        }
+        return is_a($this, $class) or $this->getWrapperStorage()->instanceOfStorage($class);
+    }
+
+    /**
+     * Pass any methods custom to specific storage implementations to the wrapped storage
+     *
+     * @param string $method
+     * @param array $args
+     * @return mixed
+     */
+    public function __call($method, $args) {
+        return call_user_func_array([$this->getWrapperStorage(), $method], $args);
+    }
+
+    /**
+     * 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 $path
+     * @return array
+     */
+    public function getDirectDownload($path) {
+        return $this->getWrapperStorage()->getDirectDownload($path);
+    }
+
+    /**
+     * Get availability of the storage
+     *
+     * @return array [ available, last_checked ]
+     */
+    public function getAvailability() {
+        return $this->getWrapperStorage()->getAvailability();
+    }
+
+    /**
+     * Set availability of the storage
+     *
+     * @param bool $isAvailable
+     */
+    public function setAvailability($isAvailable) {
+        $this->getWrapperStorage()->setAvailability($isAvailable);
+    }
+
+    /**
+     * @param string $path the path of the target folder
+     * @param string $fileName the name of the file itself
+     * @return void
+     * @throws InvalidPathException
+     */
+    public function verifyPath($path, $fileName) {
+        $this->getWrapperStorage()->verifyPath($path, $fileName);
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($sourceStorage === $this) {
+            return $this->copy($sourceInternalPath, $targetInternalPath);
+        }
+
+        return $this->getWrapperStorage()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+    }
+
+    /**
+     * @param IStorage $sourceStorage
+     * @param string $sourceInternalPath
+     * @param string $targetInternalPath
+     * @return bool
+     */
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+        if ($sourceStorage === $this) {
+            return $this->rename($sourceInternalPath, $targetInternalPath);
+        }
+
+        return $this->getWrapperStorage()->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+    }
+
+    /**
+     * @param string $path
+     * @return array
+     */
+    public function getMetaData($path) {
+        return $this->getWrapperStorage()->getMetaData($path);
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     * @throws \OCP\Lock\LockedException
+     */
+    public function acquireLock($path, $type, ILockingProvider $provider) {
+        if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+            $this->getWrapperStorage()->acquireLock($path, $type, $provider);
+        }
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     */
+    public function releaseLock($path, $type, ILockingProvider $provider) {
+        if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+            $this->getWrapperStorage()->releaseLock($path, $type, $provider);
+        }
+    }
+
+    /**
+     * @param string $path
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+     * @param \OCP\Lock\ILockingProvider $provider
+     */
+    public function changeLock($path, $type, ILockingProvider $provider) {
+        if ($this->getWrapperStorage()->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
+            $this->getWrapperStorage()->changeLock($path, $type, $provider);
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function needsPartFile() {
+        return $this->getWrapperStorage()->needsPartFile();
+    }
+
+    public function writeStream(string $path, $stream, int $size = null): int {
+        $storage = $this->getWrapperStorage();
+        if ($storage->instanceOfStorage(IWriteStreamStorage::class)) {
+            /** @var IWriteStreamStorage $storage */
+            return $storage->writeStream($path, $stream, $size);
+        } else {
+            $target = $this->fopen($path, 'w');
+            list($count, $result) = \OC_Helper::streamCopy($stream, $target);
+            fclose($stream);
+            fclose($target);
+            return $count;
+        }
+    }
+
+    public function getDirectoryContent($directory): \Traversable {
+        return $this->getWrapperStorage()->getDirectoryContent($directory);
+    }
 }