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cms-core/Classes/Resource/Driver/DriverInterface.php
T

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PHP

<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Resource\Driver;
use TYPO3\CMS\Core\Resource\Capabilities;
/**
* An interface Drivers have to implement to fulfil the needs
* of the FAL API.
*/
interface DriverInterface
{
/**
* Processes the configuration for this driver.
*/
public function processConfiguration(): void;
/**
* Sets the storage uid the driver belongs to
*/
public function setStorageUid(int $storageUid): void;
/**
* Initializes this object. This is called by the storage after the driver
* has been attached.
*/
public function initialize(): void;
/**
* Returns the capabilities of this driver.
*/
public function getCapabilities(): Capabilities;
/**
* Merges the capabilities merged by the user at the storage
* configuration into the actual capabilities of the driver
* and returns the result.
*/
public function mergeConfigurationCapabilities(Capabilities $capabilities): Capabilities;
/**
* Returns TRUE if this driver has the given capability.
*
* @param Capabilities::CAPABILITY_* $capability
*/
public function hasCapability(int $capability): bool;
/**
* Returns TRUE if this driver uses case-sensitive identifiers. NOTE: This
* is a configurable setting, but the setting does not change the way the
* underlying file system treats the identifiers; the setting should
* therefore always reflect the file system and not try to change its
* behaviour
*/
public function isCaseSensitiveFileSystem(): bool;
/**
* Cleans a fileName from not allowed characters
*
* @param non-empty-string $fileName
* @return non-empty-string the sanitized filename
*/
public function sanitizeFileName(string $fileName): string;
/**
* Hashes a file identifier, taking the case sensitivity of the file system
* into account. This helps mitigating problems with case-insensitive
* databases.
*
* @param non-empty-string $identifier
* @return non-empty-string
*/
public function hashIdentifier(string $identifier): string;
/**
* Returns the identifier of the root level folder of the storage.
*
* @return non-empty-string
*/
public function getRootLevelFolder(): string;
/**
* Returns the identifier of the default folder new files should be put into.
*
* @return non-empty-string
*/
public function getDefaultFolder(): string;
/**
* Returns the identifier of the folder the file resides in
*
* @param non-empty-string $fileIdentifier
* @return non-empty-string
*/
public function getParentFolderIdentifierOfIdentifier(string $fileIdentifier): string;
/**
* Returns the public URL to a file.
* Either fully qualified URL or relative to public web path (rawurlencoded).
*
* @param non-empty-string $identifier
* @return non-empty-string|null NULL if file is missing or deleted, the generated url otherwise
*/
public function getPublicUrl(string $identifier): ?string;
/**
* Creates a folder, within a parent folder.
* If no parent folder is given, a root level folder will be created
*
* @param non-empty-string $newFolderName
* @return non-empty-string the Identifier of the new folder
*/
public function createFolder(string $newFolderName, string $parentFolderIdentifier = '', bool $recursive = false): string;
/**
* Renames a folder in this storage.
*
* @param non-empty-string $folderIdentifier
* @param non-empty-string $newName
* @return array<string, string> A map of old to new file identifiers of all affected resources
*/
public function renameFolder(string $folderIdentifier, string $newName): array;
/**
* Removes a folder in filesystem.
*
* @param non-empty-string $folderIdentifier
*/
public function deleteFolder(string $folderIdentifier, bool $deleteRecursively = false): bool;
/**
* Checks if a file exists.
*
* @param non-empty-string $fileIdentifier
*/
public function fileExists(string $fileIdentifier): bool;
/**
* Checks if a folder exists.
*
* @param non-empty-string $folderIdentifier
*/
public function folderExists(string $folderIdentifier): bool;
/**
* Checks if a folder contains files and (if supported) other folders.
*
* @param non-empty-string $folderIdentifier
* @return bool TRUE if there are no files and folders within $folder
*/
public function isFolderEmpty(string $folderIdentifier): bool;
/**
* Adds a file from the local server hard disk to a given path in TYPO3s
* virtual file system. This assumes that the local file exists, so no
* further check is done here! After a successful operation the original
* file must not exist anymore.
*
* @param non-empty-string $localFilePath within public web path
* @param non-empty-string $targetFolderIdentifier
* @param string $newFileName optional, if not given original name is used
* @param bool $removeOriginal if set the original file will be removed
* after successful operation
* @return non-empty-string the identifier of the new file
*/
public function addFile(string $localFilePath, string $targetFolderIdentifier, string $newFileName = '', bool $removeOriginal = true): string;
/**
* Creates a new (empty) file and returns the identifier.
*
* @param non-empty-string $fileName
* @param non-empty-string $parentFolderIdentifier
* @return non-empty-string
*/
public function createFile(string $fileName, string $parentFolderIdentifier): string;
/**
* Copies a file *within* the current storage.
* Note that this is only about an inner storage copy action,
* where a file is just copied to another folder in the same storage.
*
* @param non-empty-string $fileIdentifier
* @param non-empty-string $targetFolderIdentifier
* @param non-empty-string $fileName
* @return non-empty-string the Identifier of the new file
*/
public function copyFileWithinStorage(string $fileIdentifier, string $targetFolderIdentifier, string $fileName): string;
/**
* Renames a file in this storage.
*
* @param non-empty-string $fileIdentifier
* @param non-empty-string $newName The target path (including the file name!)
* @return non-empty-string The identifier of the file after renaming
*/
public function renameFile(string $fileIdentifier, string $newName): string;
/**
* Replaces a file with file in local file system.
*
* @param non-empty-string $fileIdentifier
* @param non-empty-string $localFilePath
*/
public function replaceFile(string $fileIdentifier, string $localFilePath): bool;
/**
* Removes a file from the filesystem. This does not check if the file is
* still used or if it is a bad idea to delete it for some other reason
* this has to be taken care of in the upper layers (e.g. the Storage)!
*
* @param non-empty-string $fileIdentifier
*/
public function deleteFile(string $fileIdentifier): bool;
/**
* Creates a hash for a file.
*
* @param non-empty-string $fileIdentifier
* @param non-empty-string $hashAlgorithm The hash algorithm to use
*/
public function hash(string $fileIdentifier, string $hashAlgorithm): string;
/**
* Moves a file *within* the current storage.
* Note that this is only about an inner-storage move action,
* where a file is just moved to another folder in the same storage.
*
* @param non-empty-string $fileIdentifier
* @param non-empty-string $targetFolderIdentifier
* @param non-empty-string $newFileName
* @return non-empty-string
*/
public function moveFileWithinStorage(string $fileIdentifier, string $targetFolderIdentifier, string $newFileName): string;
/**
* Folder equivalent to moveFileWithinStorage().
*
* @param non-empty-string $sourceFolderIdentifier
* @param non-empty-string $targetFolderIdentifier
* @param non-empty-string $newFolderName
* @return array<non-empty-string, non-empty-string> All files which are affected, map of old => new file identifiers
*/
public function moveFolderWithinStorage(string $sourceFolderIdentifier, string $targetFolderIdentifier, string $newFolderName): array;
/**
* Folder equivalent to copyFileWithinStorage().
*
* @param non-empty-string $sourceFolderIdentifier
* @param non-empty-string $targetFolderIdentifier
* @param non-empty-string $newFolderName
*/
public function copyFolderWithinStorage(string $sourceFolderIdentifier, string $targetFolderIdentifier, string $newFolderName): bool;
/**
* Returns the contents of a file. Beware that this requires to load the
* complete file into memory and also may require fetching the file from an
* external location. So this might be an expensive operation (both in terms
* of processing resources and money) for large files.
*
* @param non-empty-string $fileIdentifier
*/
public function getFileContents(string $fileIdentifier): string;
/**
* Sets the contents of a file to the specified value.
*
* @param non-empty-string $fileIdentifier
* @return int<0, max> The number of bytes written to the file
*/
public function setFileContents(string $fileIdentifier, string $contents): int;
/**
* Checks if a file inside a folder exists
*
* @param non-empty-string $fileName
* @param non-empty-string $folderIdentifier
*/
public function fileExistsInFolder(string $fileName, string $folderIdentifier): bool;
/**
* Checks if a folder inside a folder exists.
*
* @param non-empty-string $folderName
* @param non-empty-string $folderIdentifier
*/
public function folderExistsInFolder(string $folderName, string $folderIdentifier): bool;
/**
* Returns a path to a local copy of a file for processing it. When changing the
* file, you have to take care of replacing the current version yourself!
*
* @param non-empty-string $fileIdentifier
* @param bool $writable Set this to FALSE if you only need the file for read
* operations. This might speed up things, e.g. by using
* a cached local version. Never modify the file if you
* have set this flag!
* @return non-empty-string The path to the file on the local disk
*/
public function getFileForLocalProcessing(string $fileIdentifier, bool $writable = true): string;
/**
* Returns the permissions of a file/folder as an array
* (keys r, w) of boolean flags
*
* @param non-empty-string $identifier
* @return array{r: bool, w: bool}
*/
public function getPermissions(string $identifier): array;
/**
* Directly output the contents of the file to the output
* buffer. Should not take care of header files or flushing
* buffer before. Will be taken care of by the Storage.
*
* @param non-empty-string $identifier
*/
public function dumpFileContents(string $identifier): void;
/**
* Checks if a given identifier is within a container, e.g. if
* a file or folder is within another folder.
* This can e.g. be used to check for web-mounts.
*
* Hint: this also needs to return TRUE if the given identifier
* matches the container identifier to allow access to the root
* folder of a file mount.
*
* @param non-empty-string $folderIdentifier
* @param non-empty-string $identifier identifier to be checked against $folderIdentifier
* @return bool TRUE if $content is within or matches $folderIdentifier
*/
public function isWithin(string $folderIdentifier, string $identifier): bool;
/**
* Returns information about a file.
*
* @param non-empty-string $fileIdentifier
* @param list<string> $propertiesToExtract Array of properties which are be extracted
* If empty all will be extracted
* @return array<string, mixed>
*/
public function getFileInfoByIdentifier(string $fileIdentifier, array $propertiesToExtract = []): array;
/**
* Returns information about a folder.
*
* @param non-empty-string $folderIdentifier
* @return array{
* identifier: non-empty-string,
* name: string,
* mtime: int,
* ctime: int,
* storage: int,
* }
*/
public function getFolderInfoByIdentifier(string $folderIdentifier): array;
/**
* Returns the identifier of a file inside the folder
*
* @param non-empty-string $fileName
* @param non-empty-string $folderIdentifier
* @return non-empty-string file identifier
*/
public function getFileInFolder(string $fileName, string $folderIdentifier): string;
/**
* Returns a list of files inside the specified path
*
* @param non-empty-string $folderIdentifier
* @param int<0, max> $start
* @param int<0, max> $numberOfItems
* @param list<callable> $filenameFilterCallbacks callbacks for filtering the items
* @param string $sort Property name used to sort the items.
* Among them may be: '' (empty, no sorting), name,
* fileext, size, tstamp and rw.
* If a driver does not support the given property, it
* should fall back to "name".
* @param bool $sortRev TRUE to indicate reverse sorting (last to first)
* @return list<string> of FileIdentifiers
*/
public function getFilesInFolder(
string $folderIdentifier,
int $start = 0,
int $numberOfItems = 0,
bool $recursive = false,
array $filenameFilterCallbacks = [],
string $sort = '',
bool $sortRev = false
): array;
/**
* Returns the identifier of a folder inside the folder
*
* @param non-empty-string $folderName The name of the target folder
* @param non-empty-string $folderIdentifier
* @return non-empty-string folder identifier
*/
public function getFolderInFolder(string $folderName, string $folderIdentifier): string;
/**
* Returns a list of folders inside the specified path
*
* @param non-empty-string $folderIdentifier
* @param int<0, max> $start
* @param int<0, max> $numberOfItems
* @param list<callable> $folderNameFilterCallbacks callbacks for filtering the items
* @param string $sort Property name used to sort the items.
* Among them may be: '' (empty, no sorting), name,
* fileext, size, tstamp and rw.
* If a driver does not support the given property, it
* should fall back to "name".
* @param bool $sortRev TRUE to indicate reverse sorting (last to first)
* @return array<string|int, string> folder identifiers (where key and value are identical, but int-like identifiers
* will get converted to int array keys)
*/
public function getFoldersInFolder(
string $folderIdentifier,
int $start = 0,
int $numberOfItems = 0,
bool $recursive = false,
array $folderNameFilterCallbacks = [],
string $sort = '',
bool $sortRev = false
): array;
/**
* Returns the number of files inside the specified path
*
* @param non-empty-string $folderIdentifier
* @param list<callable> $filenameFilterCallbacks callbacks for filtering the items
* @return int<0, max> Number of files in folder
*/
public function countFilesInFolder(string $folderIdentifier, bool $recursive = false, array $filenameFilterCallbacks = []): int;
/**
* Returns the number of folders inside the specified path
*
* @param non-empty-string $folderIdentifier
* @param list<callable> $folderNameFilterCallbacks callbacks for filtering the items
* @return int<0, max> Number of folders in folder
*/
public function countFoldersInFolder(string $folderIdentifier, bool $recursive = false, array $folderNameFilterCallbacks = []): int;
}