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- <?php
- namespace OC\Files\Storage\Wrapper;
- use OC\Encryption\Exceptions\ModuleDoesNotExistsException;
- use OC\Encryption\Update;
- use OC\Encryption\Util;
- use OC\Files\Cache\CacheEntry;
- use OC\Files\Filesystem;
- use OC\Files\Mount\Manager;
- use OC\Files\ObjectStore\ObjectStoreStorage;
- use OC\Files\Storage\LocalTempFileTrait;
- use OC\Memcache\ArrayCache;
- use OCP\Cache\CappedMemoryCache;
- use OCP\Encryption\Exceptions\GenericEncryptionException;
- use OCP\Encryption\IFile;
- use OCP\Encryption\IManager;
- use OCP\Encryption\Keys\IStorage;
- use OCP\Files\Cache\ICacheEntry;
- use OCP\Files\Mount\IMountPoint;
- use OCP\Files\Storage;
- use Psr\Log\LoggerInterface;
- class Encryption extends Wrapper {
- use LocalTempFileTrait;
-
- private $mountPoint;
-
- private $util;
-
- private $encryptionManager;
- private LoggerInterface $logger;
-
- private $uid;
-
- protected $unencryptedSize;
-
- private $fileHelper;
-
- private $mount;
-
- private $keyStorage;
-
- private $update;
-
- private $mountManager;
-
- private $fixUnencryptedSizeOf = [];
-
- private $arrayCache;
-
- private CappedMemoryCache $encryptedPaths;
- private $enabled = true;
-
- public function __construct(
- $parameters,
- ?IManager $encryptionManager = null,
- ?Util $util = null,
- ?LoggerInterface $logger = null,
- ?IFile $fileHelper = null,
- $uid = null,
- ?IStorage $keyStorage = null,
- ?Update $update = null,
- ?Manager $mountManager = null,
- ?ArrayCache $arrayCache = null
- ) {
- $this->mountPoint = $parameters['mountPoint'];
- $this->mount = $parameters['mount'];
- $this->encryptionManager = $encryptionManager;
- $this->util = $util;
- $this->logger = $logger;
- $this->uid = $uid;
- $this->fileHelper = $fileHelper;
- $this->keyStorage = $keyStorage;
- $this->unencryptedSize = [];
- $this->update = $update;
- $this->mountManager = $mountManager;
- $this->arrayCache = $arrayCache;
- $this->encryptedPaths = new CappedMemoryCache();
- parent::__construct($parameters);
- }
-
- public function filesize($path): false|int|float {
- $fullPath = $this->getFullPath($path);
- $info = $this->getCache()->get($path);
- if ($info === false) {
- return false;
- }
- if (isset($this->unencryptedSize[$fullPath])) {
- $size = $this->unencryptedSize[$fullPath];
-
-
- if (isset($info['fileid'])) {
- if ($info instanceof ICacheEntry) {
- $info['encrypted'] = $info['encryptedVersion'];
- } else {
-
- if (!is_array($info)) {
- $info = [];
- }
- $info['encrypted'] = true;
- $info = new CacheEntry($info);
- }
- if ($size !== $info->getUnencryptedSize()) {
- $this->getCache()->update($info->getId(), [
- 'unencrypted_size' => $size
- ]);
- }
- }
- return $size;
- }
- if (isset($info['fileid']) && $info['encrypted']) {
- return $this->verifyUnencryptedSize($path, $info->getUnencryptedSize());
- }
- return $this->storage->filesize($path);
- }
-
- private function modifyMetaData(string $path, array $data): array {
- $fullPath = $this->getFullPath($path);
- $info = $this->getCache()->get($path);
- if (isset($this->unencryptedSize[$fullPath])) {
- $data['encrypted'] = true;
- $data['size'] = $this->unencryptedSize[$fullPath];
- $data['unencrypted_size'] = $data['size'];
- } else {
- if (isset($info['fileid']) && $info['encrypted']) {
- $data['size'] = $this->verifyUnencryptedSize($path, $info->getUnencryptedSize());
- $data['encrypted'] = true;
- $data['unencrypted_size'] = $data['size'];
- }
- }
- if (isset($info['encryptedVersion']) && $info['encryptedVersion'] > 1) {
- $data['encryptedVersion'] = $info['encryptedVersion'];
- }
- return $data;
- }
- public function getMetaData($path) {
- $data = $this->storage->getMetaData($path);
- if (is_null($data)) {
- return null;
- }
- return $this->modifyMetaData($path, $data);
- }
- public function getDirectoryContent($directory): \Traversable {
- $parent = rtrim($directory, '/');
- foreach ($this->getWrapperStorage()->getDirectoryContent($directory) as $data) {
- yield $this->modifyMetaData($parent . '/' . $data['name'], $data);
- }
- }
-
- public function file_get_contents($path) {
- $encryptionModule = $this->getEncryptionModule($path);
- if ($encryptionModule) {
- $handle = $this->fopen($path, "r");
- if (!$handle) {
- return false;
- }
- $data = stream_get_contents($handle);
- fclose($handle);
- return $data;
- }
- return $this->storage->file_get_contents($path);
- }
-
- public function file_put_contents($path, $data) {
-
- $handle = $this->fopen($path, 'w');
- if (is_resource($handle)) {
- $written = fwrite($handle, $data);
- fclose($handle);
- return $written;
- }
- return false;
- }
-
- public function unlink($path) {
- $fullPath = $this->getFullPath($path);
- if ($this->util->isExcluded($fullPath)) {
- return $this->storage->unlink($path);
- }
- $encryptionModule = $this->getEncryptionModule($path);
- if ($encryptionModule) {
- $this->keyStorage->deleteAllFileKeys($fullPath);
- }
- return $this->storage->unlink($path);
- }
-
- public function rename($source, $target) {
- $result = $this->storage->rename($source, $target);
- if ($result &&
-
-
- $this->isVersion($target) === false &&
- $this->encryptionManager->isEnabled()) {
- $sourcePath = $this->getFullPath($source);
- if (!$this->util->isExcluded($sourcePath)) {
- $targetPath = $this->getFullPath($target);
- if (isset($this->unencryptedSize[$sourcePath])) {
- $this->unencryptedSize[$targetPath] = $this->unencryptedSize[$sourcePath];
- }
- $this->keyStorage->renameKeys($sourcePath, $targetPath);
- $module = $this->getEncryptionModule($target);
- if ($module) {
- $module->update($targetPath, $this->uid, []);
- }
- }
- }
- return $result;
- }
-
- public function rmdir($path) {
- $result = $this->storage->rmdir($path);
- $fullPath = $this->getFullPath($path);
- if ($result &&
- $this->util->isExcluded($fullPath) === false &&
- $this->encryptionManager->isEnabled()
- ) {
- $this->keyStorage->deleteAllFileKeys($fullPath);
- }
- return $result;
- }
-
- public function isReadable($path) {
- $isReadable = true;
- $metaData = $this->getMetaData($path);
- if (
- !$this->is_dir($path) &&
- isset($metaData['encrypted']) &&
- $metaData['encrypted'] === true
- ) {
- $fullPath = $this->getFullPath($path);
- $module = $this->getEncryptionModule($path);
- $isReadable = $module->isReadable($fullPath, $this->uid);
- }
- return $this->storage->isReadable($path) && $isReadable;
- }
-
- public function copy($source, $target): bool {
- $sourcePath = $this->getFullPath($source);
- if ($this->util->isExcluded($sourcePath)) {
- return $this->storage->copy($source, $target);
- }
-
-
- $this->unlink($target);
- return $this->copyFromStorage($this, $source, $target);
- }
-
- public function fopen($path, $mode) {
-
-
-
- if ($this->arrayCache->hasKey('encryption_copy_version_' . $path)) {
- $this->arrayCache->remove('encryption_copy_version_' . $path);
- return $this->storage->fopen($path, $mode);
- }
- if (!$this->enabled) {
- return $this->storage->fopen($path, $mode);
- }
- $encryptionEnabled = $this->encryptionManager->isEnabled();
- $shouldEncrypt = false;
- $encryptionModule = null;
- $header = $this->getHeader($path);
- $signed = isset($header['signed']) && $header['signed'] === 'true';
- $fullPath = $this->getFullPath($path);
- $encryptionModuleId = $this->util->getEncryptionModuleId($header);
- if ($this->util->isExcluded($fullPath) === false) {
- $size = $unencryptedSize = 0;
- $realFile = $this->util->stripPartialFileExtension($path);
- $targetExists = $this->is_file($realFile) || $this->file_exists($path);
- $targetIsEncrypted = false;
- if ($targetExists) {
-
-
-
- if (!empty($encryptionModuleId)) {
- $targetIsEncrypted = true;
- $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
- }
- if ($this->file_exists($path)) {
- $size = $this->storage->filesize($path);
- $unencryptedSize = $this->filesize($path);
- } else {
- $size = $unencryptedSize = 0;
- }
- }
- try {
- if (
- $mode === 'w'
- || $mode === 'w+'
- || $mode === 'wb'
- || $mode === 'wb+'
- ) {
-
- if ($targetIsEncrypted && $encryptionEnabled === false) {
- $cache = $this->storage->getCache();
- if ($cache) {
- $entry = $cache->get($path);
- $cache->update($entry->getId(), ['encrypted' => 0]);
- }
- }
- if ($encryptionEnabled) {
-
- $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
- $shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
- $signed = true;
- }
- } else {
- $info = $this->getCache()->get($path);
-
-
- if (!empty($encryptionModuleId)) {
- $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
- $shouldEncrypt = true;
- } elseif (empty($encryptionModuleId) && $info['encrypted'] === true) {
-
-
-
- $encryptionModule = $this->encryptionManager->getEncryptionModule('OC_DEFAULT_MODULE');
- $shouldEncrypt = true;
- $targetIsEncrypted = true;
- }
- }
- } catch (ModuleDoesNotExistsException $e) {
- $this->logger->warning('Encryption module "' . $encryptionModuleId . '" not found, file will be stored unencrypted', [
- 'exception' => $e,
- 'app' => 'core',
- ]);
- }
-
- if (!$encryptionEnabled || !$this->shouldEncrypt($path)) {
- if (!$targetExists || !$targetIsEncrypted) {
- $shouldEncrypt = false;
- }
- }
- if ($shouldEncrypt === true && $encryptionModule !== null) {
- $this->encryptedPaths->set($this->util->stripPartialFileExtension($path), true);
- $headerSize = $this->getHeaderSize($path);
- $source = $this->storage->fopen($path, $mode);
- if (!is_resource($source)) {
- return false;
- }
- $handle = \OC\Files\Stream\Encryption::wrap($source, $path, $fullPath, $header,
- $this->uid, $encryptionModule, $this->storage, $this, $this->util, $this->fileHelper, $mode,
- $size, $unencryptedSize, $headerSize, $signed);
- return $handle;
- }
- }
- return $this->storage->fopen($path, $mode);
- }
-
- protected function verifyUnencryptedSize(string $path, int $unencryptedSize): int {
- $size = $this->storage->filesize($path);
- $result = $unencryptedSize;
- if ($unencryptedSize < 0 ||
- ($size > 0 && $unencryptedSize === $size) ||
- $unencryptedSize > $size
- ) {
-
-
- if (isset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]) === false) {
- $this->fixUnencryptedSizeOf[$this->getFullPath($path)] = true;
- try {
- $result = $this->fixUnencryptedSize($path, $size, $unencryptedSize);
- } catch (\Exception $e) {
- $this->logger->error('Couldn\'t re-calculate unencrypted size for ' . $path, ['exception' => $e]);
- }
- unset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]);
- }
- }
- return $result;
- }
-
- protected function fixUnencryptedSize(string $path, int $size, int $unencryptedSize): int {
- $headerSize = $this->getHeaderSize($path);
- $header = $this->getHeader($path);
- $encryptionModule = $this->getEncryptionModule($path);
- $stream = $this->storage->fopen($path, 'r');
-
- if (!is_resource($stream)) {
- $this->logger->error('Could not open ' . $path . '. Recalculation of unencrypted size aborted.');
- return $unencryptedSize;
- }
- $newUnencryptedSize = 0;
- $size -= $headerSize;
- $blockSize = $this->util->getBlockSize();
-
- if ($headerSize > 0) {
- $this->fread_block($stream, $headerSize);
- }
-
- if ($size === 0) {
- return 0;
- }
- $signed = isset($header['signed']) && $header['signed'] === 'true';
- $unencryptedBlockSize = $encryptionModule->getUnencryptedBlockSize($signed);
-
-
-
- $lastChunkNr = ceil($size / $blockSize) - 1;
-
- $lastChunkPos = ($lastChunkNr * $blockSize);
-
- if (@fseek($stream, $lastChunkPos, SEEK_CUR) === 0) {
- $newUnencryptedSize += $lastChunkNr * $unencryptedBlockSize;
- }
- $lastChunkContentEncrypted = '';
- $count = $blockSize;
- while ($count > 0) {
- $data = $this->fread_block($stream, $blockSize);
- $count = strlen($data);
- $lastChunkContentEncrypted .= $data;
- if (strlen($lastChunkContentEncrypted) > $blockSize) {
- $newUnencryptedSize += $unencryptedBlockSize;
- $lastChunkContentEncrypted = substr($lastChunkContentEncrypted, $blockSize);
- }
- }
- fclose($stream);
-
- $encryptionModule->begin($this->getFullPath($path), $this->uid, 'r', $header, []);
- $decryptedLastChunk = $encryptionModule->decrypt($lastChunkContentEncrypted, $lastChunkNr . 'end');
- $decryptedLastChunk .= $encryptionModule->end($this->getFullPath($path), $lastChunkNr . 'end');
-
- $newUnencryptedSize += strlen($decryptedLastChunk);
- $this->updateUnencryptedSize($this->getFullPath($path), $newUnencryptedSize);
-
- $cache = $this->storage->getCache();
- if ($cache) {
- $entry = $cache->get($path);
- $cache->update($entry['fileid'], [
- 'unencrypted_size' => $newUnencryptedSize
- ]);
- }
- return $newUnencryptedSize;
- }
-
- private function fread_block($handle, int $blockSize): string {
- $remaining = $blockSize;
- $data = '';
- do {
- $chunk = fread($handle, $remaining);
- $chunk_len = strlen($chunk);
- $data .= $chunk;
- $remaining -= $chunk_len;
- } while (($remaining > 0) && ($chunk_len > 0));
- return $data;
- }
-
- public function moveFromStorage(
- Storage\IStorage $sourceStorage,
- $sourceInternalPath,
- $targetInternalPath,
- $preserveMtime = true
- ) {
- if ($sourceStorage === $this) {
- return $this->rename($sourceInternalPath, $targetInternalPath);
- }
-
-
-
-
-
- if (!$sourceStorage->isDeletable($sourceInternalPath)) {
- return false;
- }
- $result = $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, true);
- if ($result) {
- if ($sourceStorage->is_dir($sourceInternalPath)) {
- $result &= $sourceStorage->rmdir($sourceInternalPath);
- } else {
- $result &= $sourceStorage->unlink($sourceInternalPath);
- }
- }
- return $result;
- }
-
- public function copyFromStorage(
- Storage\IStorage $sourceStorage,
- $sourceInternalPath,
- $targetInternalPath,
- $preserveMtime = false,
- $isRename = false
- ) {
-
-
-
-
-
- return $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename);
- }
-
- private function updateEncryptedVersion(
- Storage\IStorage $sourceStorage,
- $sourceInternalPath,
- $targetInternalPath,
- $isRename,
- $keepEncryptionVersion
- ) {
- $isEncrypted = $this->encryptionManager->isEnabled() && $this->shouldEncrypt($targetInternalPath);
- $cacheInformation = [
- 'encrypted' => $isEncrypted,
- ];
- if ($isEncrypted) {
- $sourceCacheEntry = $sourceStorage->getCache()->get($sourceInternalPath);
- $targetCacheEntry = $this->getCache()->get($targetInternalPath);
-
- if ($sourceCacheEntry === false && $targetCacheEntry !== false) {
- $encryptedVersion = $targetCacheEntry['encryptedVersion'];
- $isRename = false;
- } else {
- $encryptedVersion = $sourceCacheEntry['encryptedVersion'];
- }
-
-
-
-
-
- if ($encryptedVersion === 0 || !$keepEncryptionVersion) {
- $encryptedVersion = 1;
- }
- $cacheInformation['encryptedVersion'] = $encryptedVersion;
- }
-
-
- if ($isRename) {
- $sourceStorage->getCache()->put($sourceInternalPath, $cacheInformation);
- } else {
- $this->getCache()->put($targetInternalPath, $cacheInformation);
- }
- }
-
- private function copyBetweenStorage(
- Storage\IStorage $sourceStorage,
- $sourceInternalPath,
- $targetInternalPath,
- $preserveMtime,
- $isRename
- ) {
-
-
- if ($this->isVersion($targetInternalPath) ||
- $this->isVersion($sourceInternalPath)) {
-
-
-
- $this->arrayCache->set('encryption_copy_version_' . $sourceInternalPath, true);
- $result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
- $this->arrayCache->remove('encryption_copy_version_' . $sourceInternalPath);
- if ($result) {
- $info = $this->getCache('', $sourceStorage)->get($sourceInternalPath);
-
- if (isset($info['encrypted']) && $info['encrypted'] === true) {
- $this->updateUnencryptedSize(
- $this->getFullPath($targetInternalPath),
- $info->getUnencryptedSize()
- );
- }
- $this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, true);
- }
- return $result;
- }
-
-
- $mount = $this->mountManager->findByStorageId($sourceStorage->getId());
- if (count($mount) === 1) {
- $mountPoint = $mount[0]->getMountPoint();
- $source = $mountPoint . '/' . $sourceInternalPath;
- $target = $this->getFullPath($targetInternalPath);
- $this->copyKeys($source, $target);
- } else {
- $this->logger->error('Could not find mount point, can\'t keep encryption keys');
- }
- if ($sourceStorage->is_dir($sourceInternalPath)) {
- $dh = $sourceStorage->opendir($sourceInternalPath);
- if (!$this->is_dir($targetInternalPath)) {
- $result = $this->mkdir($targetInternalPath);
- } else {
- $result = true;
- }
- if (is_resource($dh)) {
- while ($result and ($file = readdir($dh)) !== false) {
- if (!Filesystem::isIgnoredDir($file)) {
- $result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file, false, $isRename);
- }
- }
- }
- } else {
- try {
- $source = $sourceStorage->fopen($sourceInternalPath, 'r');
- $target = $this->fopen($targetInternalPath, 'w');
- [, $result] = \OC_Helper::streamCopy($source, $target);
- } finally {
- if (is_resource($source)) {
- fclose($source);
- }
- if (is_resource($target)) {
- fclose($target);
- }
- }
- if ($result) {
- if ($preserveMtime) {
- $this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
- }
- $this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, false);
- } else {
-
- $this->unlink($targetInternalPath);
-
- $this->getCache()->remove($targetInternalPath);
- }
- }
- return (bool)$result;
- }
- public function getLocalFile($path) {
- if ($this->encryptionManager->isEnabled()) {
- $cachedFile = $this->getCachedFile($path);
- if (is_string($cachedFile)) {
- return $cachedFile;
- }
- }
- return $this->storage->getLocalFile($path);
- }
- public function isLocal() {
- if ($this->encryptionManager->isEnabled()) {
- return false;
- }
- return $this->storage->isLocal();
- }
- public function stat($path) {
- $stat = $this->storage->stat($path);
- if (!$stat) {
- return false;
- }
- $fileSize = $this->filesize($path);
- $stat['size'] = $fileSize;
- $stat[7] = $fileSize;
- $stat['hasHeader'] = $this->getHeaderSize($path) > 0;
- return $stat;
- }
- public function hash($type, $path, $raw = false) {
- $fh = $this->fopen($path, 'rb');
- $ctx = hash_init($type);
- hash_update_stream($ctx, $fh);
- fclose($fh);
- return hash_final($ctx, $raw);
- }
-
- protected function getFullPath($path) {
- return Filesystem::normalizePath($this->mountPoint . '/' . $path);
- }
-
- protected function readFirstBlock($path) {
- $firstBlock = '';
- if ($this->storage->is_file($path)) {
- $handle = $this->storage->fopen($path, 'r');
- $firstBlock = fread($handle, $this->util->getHeaderSize());
- fclose($handle);
- }
- return $firstBlock;
- }
-
- protected function getHeaderSize($path) {
- $headerSize = 0;
- $realFile = $this->util->stripPartialFileExtension($path);
- if ($this->storage->is_file($realFile)) {
- $path = $realFile;
- }
- $firstBlock = $this->readFirstBlock($path);
- if (str_starts_with($firstBlock, Util::HEADER_START)) {
- $headerSize = $this->util->getHeaderSize();
- }
- return $headerSize;
- }
-
- protected function getHeader($path) {
- $realFile = $this->util->stripPartialFileExtension($path);
- $exists = $this->storage->is_file($realFile);
- if ($exists) {
- $path = $realFile;
- }
- $result = [];
- $isEncrypted = $this->encryptedPaths->get($realFile);
- if (is_null($isEncrypted)) {
- $info = $this->getCache()->get($path);
- $isEncrypted = isset($info['encrypted']) && $info['encrypted'] === true;
- }
- if ($isEncrypted) {
- $firstBlock = $this->readFirstBlock($path);
- $result = $this->util->parseRawHeader($firstBlock);
-
-
- if (!isset($result[Util::HEADER_ENCRYPTION_MODULE_KEY]) && (!empty($result) || $exists)) {
- $result[Util::HEADER_ENCRYPTION_MODULE_KEY] = 'OC_DEFAULT_MODULE';
- }
- }
- return $result;
- }
-
- protected function getEncryptionModule($path) {
- $encryptionModule = null;
- $header = $this->getHeader($path);
- $encryptionModuleId = $this->util->getEncryptionModuleId($header);
- if (!empty($encryptionModuleId)) {
- try {
- $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
- } catch (ModuleDoesNotExistsException $e) {
- $this->logger->critical('Encryption module defined in "' . $path . '" not loaded!');
- throw $e;
- }
- }
- return $encryptionModule;
- }
-
- public function updateUnencryptedSize($path, $unencryptedSize) {
- $this->unencryptedSize[$path] = $unencryptedSize;
- }
-
- protected function copyKeys($source, $target) {
- if (!$this->util->isExcluded($source)) {
- return $this->keyStorage->copyKeys($source, $target);
- }
- return false;
- }
-
- protected function isVersion($path) {
- $normalized = Filesystem::normalizePath($path);
- return substr($normalized, 0, strlen('/files_versions/')) === '/files_versions/';
- }
-
- protected function shouldEncrypt($path) {
- $fullPath = $this->getFullPath($path);
- $mountPointConfig = $this->mount->getOption('encrypt', true);
- if ($mountPointConfig === false) {
- return false;
- }
- try {
- $encryptionModule = $this->getEncryptionModule($fullPath);
- } catch (ModuleDoesNotExistsException $e) {
- return false;
- }
- if ($encryptionModule === null) {
- $encryptionModule = $this->encryptionManager->getEncryptionModule();
- }
- return $encryptionModule->shouldEncrypt($fullPath);
- }
- public function writeStream(string $path, $stream, ?int $size = null): int {
-
- $target = $this->fopen($path, 'w');
- [$count, $result] = \OC_Helper::streamCopy($stream, $target);
- fclose($stream);
- fclose($target);
-
-
- if ($result && $this->getWrapperStorage()->instanceOfStorage(ObjectStoreStorage::class) && $this->shouldEncrypt($path)) {
- $this->getCache()->put($path, ['unencrypted_size' => $count]);
- }
- return $count;
- }
- public function clearIsEncryptedCache(): void {
- $this->encryptedPaths->clear();
- }
-
- public function setEnabled(bool $enabled): void {
- $this->enabled = $enabled;
- }
- }
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