|
| 1 | +<?php |
| 2 | + |
| 3 | +/** |
| 4 | + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors |
| 5 | + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. |
| 6 | + * SPDX-License-Identifier: AGPL-3.0-only |
| 7 | + */ |
| 8 | + |
| 9 | +namespace OC\Files\Storage; |
| 10 | + |
| 11 | +use OC\Files\Cache\Cache; |
| 12 | +use OC\Files\Cache\CacheDependencies; |
| 13 | +use OC\Files\Cache\Propagator; |
| 14 | +use OC\Files\Cache\Scanner; |
| 15 | +use OC\Files\Cache\Updater; |
| 16 | +use OC\Files\Cache\Watcher; |
| 17 | +use OC\Files\FilenameValidator; |
| 18 | +use OC\Files\Filesystem; |
| 19 | +use OC\Files\ObjectStore\ObjectStoreStorage; |
| 20 | +use OC\Files\Storage\Wrapper\Encryption; |
| 21 | +use OC\Files\Storage\Wrapper\Jail; |
| 22 | +use OC\Files\Storage\Wrapper\Wrapper; |
| 23 | +use OCP\Constants; |
| 24 | +use OCP\Files\Cache\ICache; |
| 25 | +use OCP\Files\Cache\IPropagator; |
| 26 | +use OCP\Files\Cache\IScanner; |
| 27 | +use OCP\Files\Cache\IUpdater; |
| 28 | +use OCP\Files\Cache\IWatcher; |
| 29 | +use OCP\Files\FileInfo; |
| 30 | +use OCP\Files\ForbiddenException; |
| 31 | +use OCP\Files\GenericFileException; |
| 32 | +use OCP\Files\IFilenameValidator; |
| 33 | +use OCP\Files\IMimeTypeDetector; |
| 34 | +use OCP\Files\InvalidPathException; |
| 35 | +use OCP\Files\NotPermittedException; |
| 36 | +use OCP\Files\Storage\IConstructableStorage; |
| 37 | +use OCP\Files\Storage\ILockingStorage; |
| 38 | +use OCP\Files\Storage\IStorage; |
| 39 | +use OCP\Files\Storage\IWriteStreamStorage; |
| 40 | +use OCP\Files\StorageNotAvailableException; |
| 41 | +use OCP\IConfig; |
| 42 | +use OCP\IDBConnection; |
| 43 | +use OCP\Lock\ILockingProvider; |
| 44 | +use OCP\Lock\LockedException; |
| 45 | +use OCP\Server; |
| 46 | +use OCP\Util; |
| 47 | +use Override; |
| 48 | +use Psr\Log\LoggerInterface; |
| 49 | + |
| 50 | +/** |
| 51 | + * Storage backend class for providing common filesystem operation methods |
| 52 | + * which are not storage-backend specific. |
| 53 | + * |
| 54 | + * \OC\Files\Storage\Common is never used directly; it is extended by all other |
| 55 | + * storage backends, where its methods may be overridden, and additional |
| 56 | + * (backend-specific) methods are defined. |
| 57 | + * |
| 58 | + * Some \OC\Files\Storage\Common methods call functions which are first defined |
| 59 | + * in classes which extend it, e.g. $this->stat() . |
| 60 | + */ |
| 61 | +abstract class Common implements Storage, ILockingStorage, IWriteStreamStorage, IConstructableStorage { |
| 62 | + use LocalTempFileTrait; |
| 63 | + |
| 64 | + protected ?Cache $cache = null; |
| 65 | + protected ?Scanner $scanner = null; |
| 66 | + protected ?Watcher $watcher = null; |
| 67 | + protected ?Propagator $propagator = null; |
| 68 | + protected $storageCache; |
| 69 | + protected ?Updater $updater = null; |
| 70 | + |
| 71 | + protected array $mountOptions = []; |
| 72 | + protected $owner = null; |
| 73 | + |
| 74 | + public function __construct(array $parameters) { |
| 75 | + } |
| 76 | + |
| 77 | + protected function remove(string $path): bool |
| 78 | + { |
| 79 | + } |
| 80 | + |
| 81 | + #[\Override] |
| 82 | + public function is_dir(string $path): bool |
| 83 | + { |
| 84 | + } |
| 85 | + |
| 86 | + #[\Override] |
| 87 | + public function is_file(string $path): bool |
| 88 | + { |
| 89 | + } |
| 90 | + |
| 91 | + #[\Override] |
| 92 | + public function filesize(string $path): int|float|false |
| 93 | + { |
| 94 | + } |
| 95 | + |
| 96 | + #[\Override] |
| 97 | + public function isReadable(string $path): bool |
| 98 | + { |
| 99 | + } |
| 100 | + |
| 101 | + #[\Override] |
| 102 | + public function isUpdatable(string $path): bool |
| 103 | + { |
| 104 | + } |
| 105 | + |
| 106 | + #[\Override] |
| 107 | + public function isCreatable(string $path): bool |
| 108 | + { |
| 109 | + } |
| 110 | + |
| 111 | + #[\Override] |
| 112 | + public function isDeletable(string $path): bool |
| 113 | + { |
| 114 | + } |
| 115 | + |
| 116 | + #[\Override] |
| 117 | + public function isSharable(string $path): bool |
| 118 | + { |
| 119 | + } |
| 120 | + |
| 121 | + #[\Override] |
| 122 | + public function getPermissions(string $path): int |
| 123 | + { |
| 124 | + } |
| 125 | + |
| 126 | + #[\Override] |
| 127 | + public function filemtime(string $path): int|false |
| 128 | + { |
| 129 | + } |
| 130 | + |
| 131 | + #[\Override] |
| 132 | + public function file_get_contents(string $path): string|false |
| 133 | + { |
| 134 | + } |
| 135 | + |
| 136 | + #[\Override] |
| 137 | + public function file_put_contents(string $path, mixed $data): int|float|false |
| 138 | + { |
| 139 | + } |
| 140 | + |
| 141 | + #[\Override] |
| 142 | + public function rename(string $source, string $target): bool |
| 143 | + { |
| 144 | + } |
| 145 | + |
| 146 | + #[\Override] |
| 147 | + public function copy(string $source, string $target): bool |
| 148 | + { |
| 149 | + } |
| 150 | + |
| 151 | + #[\Override] |
| 152 | + public function getMimeType(string $path): string|false |
| 153 | + { |
| 154 | + } |
| 155 | + |
| 156 | + #[\Override] |
| 157 | + public function hash(string $type, string $path, bool $raw = false): string|false |
| 158 | + { |
| 159 | + } |
| 160 | + |
| 161 | + #[\Override] |
| 162 | + public function getLocalFile(string $path): string|false |
| 163 | + { |
| 164 | + } |
| 165 | + |
| 166 | + protected function searchInDir(string $query, string $dir = ''): array |
| 167 | + { |
| 168 | + } |
| 169 | + |
| 170 | + /** |
| 171 | + * @inheritDoc |
| 172 | + * Check if a file or folder has been updated since $time |
| 173 | + * |
| 174 | + * The method is only used to check if the cache needs to be updated. Storage backends that don't support checking |
| 175 | + * the mtime should always return false here. As a result storage implementations that always return false expect |
| 176 | + * exclusive access to the backend and will not pick up files that have been added in a way that circumvents |
| 177 | + * Nextcloud filesystem. |
| 178 | + */ |
| 179 | + #[\Override] |
| 180 | + public function hasUpdated(string $path, int $time): bool |
| 181 | + { |
| 182 | + } |
| 183 | + |
| 184 | + protected function getCacheDependencies(): CacheDependencies |
| 185 | + { |
| 186 | + } |
| 187 | + |
| 188 | + #[\Override] |
| 189 | + public function getCache(string $path = '', ?IStorage $storage = null): ICache |
| 190 | + { |
| 191 | + } |
| 192 | + |
| 193 | + #[\Override] |
| 194 | + public function getScanner(string $path = '', ?IStorage $storage = null): IScanner |
| 195 | + { |
| 196 | + } |
| 197 | + |
| 198 | + #[\Override] |
| 199 | + public function getWatcher(string $path = '', ?IStorage $storage = null): IWatcher |
| 200 | + { |
| 201 | + } |
| 202 | + |
| 203 | + #[\Override] |
| 204 | + public function getPropagator(?IStorage $storage = null): IPropagator |
| 205 | + { |
| 206 | + } |
| 207 | + |
| 208 | + #[\Override] |
| 209 | + public function getUpdater(?IStorage $storage = null): IUpdater |
| 210 | + { |
| 211 | + } |
| 212 | + |
| 213 | + #[\Override] |
| 214 | + public function getStorageCache(?IStorage $storage = null): \OC\Files\Cache\Storage |
| 215 | + { |
| 216 | + } |
| 217 | + |
| 218 | + #[\Override] |
| 219 | + public function getOwner(string $path): string|false |
| 220 | + { |
| 221 | + } |
| 222 | + |
| 223 | + #[\Override] |
| 224 | + public function getETag(string $path): string|false |
| 225 | + { |
| 226 | + } |
| 227 | + |
| 228 | + /** |
| 229 | + * clean a path, i.e. remove all redundant '.' and '..' |
| 230 | + * making sure that it can't point to higher than '/' |
| 231 | + * |
| 232 | + * @param string $path The path to clean |
| 233 | + * @return string cleaned path |
| 234 | + */ |
| 235 | + public function cleanPath(string $path): string |
| 236 | + { |
| 237 | + } |
| 238 | + |
| 239 | + /** |
| 240 | + * Test a storage for availability |
| 241 | + */ |
| 242 | + #[\Override] |
| 243 | + public function test(): bool |
| 244 | + { |
| 245 | + } |
| 246 | + |
| 247 | + #[\Override] |
| 248 | + public function free_space(string $path): int|float|false |
| 249 | + { |
| 250 | + } |
| 251 | + |
| 252 | + #[\Override] |
| 253 | + public function isLocal(): bool |
| 254 | + { |
| 255 | + } |
| 256 | + |
| 257 | + /** |
| 258 | + * Check if the storage is an instance of $class or is a wrapper for a storage that is an instance of $class |
| 259 | + */ |
| 260 | + #[\Override] |
| 261 | + public function instanceOfStorage(string $class): bool |
| 262 | + { |
| 263 | + } |
| 264 | + |
| 265 | + #[Override] |
| 266 | + public function getDirectDownload(string $path): array|false |
| 267 | + { |
| 268 | + } |
| 269 | + |
| 270 | + #[Override] |
| 271 | + public function getDirectDownloadById(string $fileId): array|false |
| 272 | + { |
| 273 | + } |
| 274 | + |
| 275 | + #[\Override] |
| 276 | + public function verifyPath(string $path, string $fileName): void |
| 277 | + { |
| 278 | + } |
| 279 | + |
| 280 | + /** |
| 281 | + * Get the filename validator |
| 282 | + * (cached for performance) |
| 283 | + */ |
| 284 | + protected function getFilenameValidator(): IFilenameValidator |
| 285 | + { |
| 286 | + } |
| 287 | + |
| 288 | + public function setMountOptions(array $options): void |
| 289 | + { |
| 290 | + } |
| 291 | + |
| 292 | + public function getMountOption(string $name, mixed $default = null): mixed |
| 293 | + { |
| 294 | + } |
| 295 | + |
| 296 | + #[\Override] |
| 297 | + public function copyFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath, bool $preserveMtime = false): bool |
| 298 | + { |
| 299 | + } |
| 300 | + |
| 301 | + #[\Override] |
| 302 | + public function moveFromStorage(IStorage $sourceStorage, string $sourceInternalPath, string $targetInternalPath): bool |
| 303 | + { |
| 304 | + } |
| 305 | + |
| 306 | + #[\Override] |
| 307 | + public function getMetaData(string $path): ?array |
| 308 | + { |
| 309 | + } |
| 310 | + |
| 311 | + #[\Override] |
| 312 | + public function acquireLock(string $path, int $type, ILockingProvider $provider): void |
| 313 | + { |
| 314 | + } |
| 315 | + |
| 316 | + #[\Override] |
| 317 | + public function releaseLock(string $path, int $type, ILockingProvider $provider): void |
| 318 | + { |
| 319 | + } |
| 320 | + |
| 321 | + #[\Override] |
| 322 | + public function changeLock(string $path, int $type, ILockingProvider $provider): void |
| 323 | + { |
| 324 | + } |
| 325 | + |
| 326 | + /** |
| 327 | + * @return array{available: bool, last_checked: int} |
| 328 | + */ |
| 329 | + #[\Override] |
| 330 | + public function getAvailability(): array |
| 331 | + { |
| 332 | + } |
| 333 | + |
| 334 | + #[\Override] |
| 335 | + public function setAvailability(bool $isAvailable): void |
| 336 | + { |
| 337 | + } |
| 338 | + |
| 339 | + #[\Override] |
| 340 | + public function setOwner(?string $user): void |
| 341 | + { |
| 342 | + } |
| 343 | + |
| 344 | + #[\Override] |
| 345 | + public function needsPartFile(): bool |
| 346 | + { |
| 347 | + } |
| 348 | + |
| 349 | + #[\Override] |
| 350 | + public function writeStream(string $path, $stream, ?int $size = null): int |
| 351 | + { |
| 352 | + } |
| 353 | + |
| 354 | + #[\Override] |
| 355 | + public function getDirectoryContent(string $directory): \Traversable |
| 356 | + { |
| 357 | + } |
| 358 | +} |
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