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| 1 | <?php |
| 2 | /** |
| 3 | * This class extends Flysystem's Filesystem class to add some additional functionality, particularly around |
| 4 | * symlinks which are not supported by Flysystem. |
| 5 | * |
| 6 | * @see https://github.com/thephpleague/flysystem/issues/599 |
| 7 | */ |
| 8 | |
| 9 | namespace BrianHenryIE\Strauss\Helpers\Flysystem; |
| 10 | |
| 11 | use Composer\Util\Platform; |
| 12 | use BrianHenryIE\FlysystemReadOnly\FlysystemReaderBackCompatTrait; |
| 13 | use BrianHenryIE\FlysystemReadOnly\ReadOnlyFileSystemAdapter; |
| 14 | use Elazar\Flystream\StripProtocolPathNormalizer; |
| 15 | use Exception; |
| 16 | use League\Flysystem\Config; |
| 17 | use League\Flysystem\FileAttributes; |
| 18 | use League\Flysystem\FilesystemAdapter; |
| 19 | use League\Flysystem\FilesystemException; |
| 20 | use League\Flysystem\Filesystem as LeagueFilesystem; |
| 21 | use League\Flysystem\FilesystemReader; |
| 22 | use League\Flysystem\Local\LocalFilesystemAdapter; |
| 23 | use League\Flysystem\PathNormalizer; |
| 24 | use League\Flysystem\PathPrefixer; |
| 25 | use League\Flysystem\StorageAttributes; |
| 26 | |
| 27 | class FileSystem extends LeagueFilesystem implements PathNormalizer, PathPrefixerInterface, FlysystemReaderBackCompatTraitInterface |
| 28 | { |
| 29 | use FlysystemReaderBackCompatTrait; |
| 30 | // use FlysystemReaderBackCompatTrait { |
| 31 | // FlysystemReaderBackCompatTrait::directoryExists as traitDirectoryExists; |
| 32 | // } |
| 33 | |
| 34 | /** |
| 35 | * @see LeagueFilesystem::$pathNormalizer |
| 36 | */ |
| 37 | protected PathNormalizer $pathNormalizer; |
| 38 | |
| 39 | /** |
| 40 | * League does not have a PathPrefixer interface. |
| 41 | * |
| 42 | * @var \League\Flysystem\PathPrefixer|PathPrefixerInterface |
| 43 | */ |
| 44 | protected $pathPrefixer; |
| 45 | |
| 46 | /** |
| 47 | * For calculating absolute paths outside the flysystem. |
| 48 | * |
| 49 | * No trailing slash, except for root directories (e.g., '/' or 'C:/' or 'mem://'). |
| 50 | */ |
| 51 | protected string $localFsLocation; |
| 52 | |
| 53 | /** |
| 54 | * For printing relative paths. |
| 55 | */ |
| 56 | protected string $workingDir; |
| 57 | |
| 58 | /** |
| 59 | * Private in parent class. |
| 60 | */ |
| 61 | protected Config $config; |
| 62 | |
| 63 | /** |
| 64 | * TODO: maybe restrict the constructor to only accept a LocalFilesystemAdapter. |
| 65 | * |
| 66 | * TODO: Check are any of these methods unused |
| 67 | * |
| 68 | * @param ReadOnlyFileSystemAdapter|SymlinkProtectFilesystemAdapter|LocalFilesystemAdapter|InMemoryFilesystemAdapter $adapter |
| 69 | * @param array{visibility?:string} $config |
| 70 | * @param \League\Flysystem\PathPrefixer|PathPrefixerInterface $pathPrefixer |
| 71 | * @param PathNormalizer|null $pathNormalizer |
| 72 | */ |
| 73 | public function __construct( |
| 74 | FilesystemAdapter $adapter, |
| 75 | array $config = [], |
| 76 | ?PathNormalizer $pathNormalizer = null, |
| 77 | $pathPrefixer = null, |
| 78 | ?string $localFsLocation = null, |
| 79 | ?string $workingDir = null |
| 80 | ) { |
| 81 | $localFsLocation = $localFsLocation ?? self::getFsRoot(Platform::getcwd()); |
| 82 | $pathNormalizer = $pathNormalizer ?? self::makePathNormalizer($localFsLocation); |
| 83 | $pathPrefixer = $pathPrefixer ?? new PathPrefixer( |
| 84 | $localFsLocation, |
| 85 | DIRECTORY_SEPARATOR |
| 86 | ); |
| 87 | |
| 88 | parent::__construct($adapter, $config, $pathNormalizer); |
| 89 | |
| 90 | $this->config = new Config($config); |
| 91 | |
| 92 | // Parent is private. |
| 93 | $this->pathNormalizer = $pathNormalizer; |
| 94 | $this->pathPrefixer = $pathPrefixer; |
| 95 | $this->localFsLocation = $localFsLocation; |
| 96 | $this->workingDir = $pathNormalizer->normalizePath($workingDir ?? $localFsLocation); |
| 97 | } |
| 98 | |
| 99 | public static function getFsRoot(string $path): string |
| 100 | { |
| 101 | if (1 === preg_match('#^([a-zA-Z]+:[\\/]|\/)#', $path, $output_array)) { |
| 102 | // if (1 === preg_match('/^([a-zA-Z]+:[\\\\\/]|\/)/', $path ?: getcwd(), $output_array)) { |
| 103 | return strtoupper($output_array[1]); |
| 104 | } |
| 105 | // Relative path. |
| 106 | return ''; |
| 107 | } |
| 108 | |
| 109 | public static function makePathNormalizer(string $workingDir): PathNormalizer |
| 110 | { |
| 111 | return new StripProtocolPathNormalizer( |
| 112 | [ |
| 113 | 'mem', |
| 114 | ], |
| 115 | new StripFsRootPathNormalizer( |
| 116 | [ |
| 117 | str_replace('\\', '/', FileSystem::getFsRoot($workingDir)), |
| 118 | str_replace('/', '\\', FileSystem::getFsRoot($workingDir)), |
| 119 | FileSystem::getFsRoot(Platform::getcwd()), |
| 120 | FileSystem::normalizeDirSeparator(FileSystem::getFsRoot(Platform::getcwd())), |
| 121 | // FileSystem::getFsRoot($workingDir), |
| 122 | // FileSystem::getFsRoot(), |
| 123 | // FileSystem::normalizeDirSeparator(FileSystem::getFsRoot()), |
| 124 | 'c:\\', |
| 125 | 'c:/', |
| 126 | 'd:\\', |
| 127 | 'd:/', |
| 128 | ] |
| 129 | ) |
| 130 | ); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * @see \League\Flysystem\Filesystem::$adapter |
| 135 | */ |
| 136 | public function getAdapter(): FilesystemAdapter |
| 137 | { |
| 138 | $parentAdapterProperty = new \ReflectionProperty(\League\Flysystem\Filesystem::class, 'adapter'); |
| 139 | PHP_VERSION_ID < 80100 && $parentAdapterProperty->setAccessible(true); |
| 140 | /** @var FilesystemAdapter */ |
| 141 | return $parentAdapterProperty->getValue($this); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * @see \League\Flysystem\Filesystem::$adapter |
| 146 | */ |
| 147 | public function setAdapter(FilesystemAdapter $flysystemAdapter): void |
| 148 | { |
| 149 | $parentAdapterProperty = new \ReflectionProperty(\League\Flysystem\Filesystem::class, 'adapter'); |
| 150 | PHP_VERSION_ID < 80100 && $parentAdapterProperty->setAccessible(true); |
| 151 | $parentAdapterProperty->setValue($this, $flysystemAdapter); |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Normalize directory separators to forward slashes. |
| 156 | * |
| 157 | * PHP native functions (realpath, getcwd, dirname) return backslashes on Windows, |
| 158 | * but Flysystem always uses forward slashes. This method ensures consistency. |
| 159 | */ |
| 160 | public static function normalizeDirSeparator(string $path, string $slashTo = '/'): string |
| 161 | { |
| 162 | $slashFrom = $slashTo === '/' ? '\\' : '/'; |
| 163 | |
| 164 | return str_replace($slashFrom, $slashTo, $path ?: ''); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @param string[] $fileAndDirPaths |
| 169 | * |
| 170 | * @return string[] |
| 171 | * @throws FilesystemException |
| 172 | */ |
| 173 | public function findAllFilesAbsolutePaths( |
| 174 | array $fileAndDirPaths, |
| 175 | bool $excludeDirectories = false, |
| 176 | bool $deep = FilesystemReader::LIST_DEEP |
| 177 | ): array { |
| 178 | $files = []; |
| 179 | |
| 180 | foreach ($fileAndDirPaths as $path) { |
| 181 | if (!$this->directoryExists($path)) { |
| 182 | $files[] = $path; |
| 183 | continue; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * @see \League\Flysystem\Filesystem::listContents() |
| 188 | */ |
| 189 | $directoryListing = $this->listContents( |
| 190 | $path, |
| 191 | $deep |
| 192 | ); |
| 193 | |
| 194 | /** @var FileAttributes[] $fileAttributesArray */ |
| 195 | $fileAttributesArray = $directoryListing->toArray(); |
| 196 | |
| 197 | $paths = array_map( |
| 198 | fn(StorageAttributes $attributes): string => $this->makeAbsolute($attributes->path()), |
| 199 | $fileAttributesArray |
| 200 | ); |
| 201 | |
| 202 | if ($excludeDirectories) { |
| 203 | $paths = array_filter($paths, fn($path) => !$this->directoryExists($path)); |
| 204 | } |
| 205 | |
| 206 | $files = array_merge($files, $paths); |
| 207 | } |
| 208 | |
| 209 | return $files; |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * @throws FilesystemException |
| 214 | */ |
| 215 | public function getAttributes(string $absolutePath): ?StorageAttributes |
| 216 | { |
| 217 | // TODO: check if `realpath()` is a bad idea here. |
| 218 | $fileDirectory = realpath(dirname($absolutePath)) ?: dirname($absolutePath); |
| 219 | |
| 220 | $absolutePath = $this->normalizePath($absolutePath); |
| 221 | |
| 222 | /** |
| 223 | * Unsupported symbolic link encountered at location //home |
| 224 | * \League\Flysystem\SymbolicLinkEncountered |
| 225 | * @see \League\Flysystem\Filesystem::listContents() |
| 226 | */ |
| 227 | $dirList = $this->listContents($fileDirectory)->toArray(); |
| 228 | foreach ($dirList as $file) { // TODO: use the generator. |
| 229 | if ($file->path() === $absolutePath) { |
| 230 | return $file; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | return null; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * TODO: rename to ::has() |
| 239 | * TODO: extract symlink handling to adapter. |
| 240 | * @throws FilesystemException |
| 241 | */ |
| 242 | public function exists(string $location): bool |
| 243 | { |
| 244 | return $this->fileExists($location) |
| 245 | || $this->directoryExists($location) |
| 246 | || false !== realpath($this->prefixPath($this->normalizePath($location))); |
| 247 | } |
| 248 | |
| 249 | |
| 250 | /** |
| 251 | * |
| 252 | * /path/to/this/dir, /path/to/file.php => ../../file.php |
| 253 | * /path/to/here, /path/to/here/dir/file.php => dir/file.php |
| 254 | * |
| 255 | * @param string $fromAbsoluteDirectory |
| 256 | * @param string $toAbsolutePath |
| 257 | * @return string |
| 258 | */ |
| 259 | public function getRelativePath(string $fromAbsoluteDirectory, string $toAbsolutePath): string |
| 260 | { |
| 261 | $fromAbsoluteDirectory = $this->normalizePath($fromAbsoluteDirectory); |
| 262 | $toAbsolutePath = $this->normalizePath($toAbsolutePath); |
| 263 | |
| 264 | $fromDirectoryParts = array_filter(explode('/', $fromAbsoluteDirectory)); |
| 265 | $toPathParts = array_filter(explode('/', $toAbsolutePath)); |
| 266 | foreach ($fromDirectoryParts as $key => $part) { |
| 267 | if (isset($toPathParts[$key]) && $part === $toPathParts[$key]) { |
| 268 | unset($toPathParts[$key]); |
| 269 | unset($fromDirectoryParts[$key]); |
| 270 | } else { |
| 271 | break; |
| 272 | } |
| 273 | if (count($fromDirectoryParts) === 0 || count($toPathParts) === 0) { |
| 274 | break; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | $relativePath = |
| 279 | str_repeat('../', count($fromDirectoryParts)) |
| 280 | . implode('/', $toPathParts); |
| 281 | |
| 282 | return rtrim($relativePath, '\\/'); |
| 283 | } |
| 284 | |
| 285 | public function getProjectRelativePath(string $absolutePath): string |
| 286 | { |
| 287 | |
| 288 | // What will happen with strings that are not paths?! |
| 289 | |
| 290 | return $this->getRelativePath( |
| 291 | $this->workingDir, |
| 292 | $absolutePath |
| 293 | ); |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Check does the filepath point to a file outside the working directory. |
| 298 | * Check is a file under a symlinked path. |
| 299 | * |
| 300 | * @throws FilesystemException |
| 301 | * @throws Exception |
| 302 | */ |
| 303 | public function isSymlinked(string $path): bool |
| 304 | { |
| 305 | $normalizedPath = $this->normalizePath($path); |
| 306 | |
| 307 | if (!$this->exists($normalizedPath)) { |
| 308 | throw new Exception('Path "' . $path . '" "' . $normalizedPath . '" does not exist.'); |
| 309 | } |
| 310 | |
| 311 | $osPath = $this->prefixPath($normalizedPath); |
| 312 | |
| 313 | if (is_link($osPath)) { |
| 314 | return true; |
| 315 | } |
| 316 | |
| 317 | if (realpath($osPath) !== $osPath) { |
| 318 | return true; |
| 319 | } |
| 320 | |
| 321 | $workingDir = $this->normalizePath($this->localFsLocation); |
| 322 | |
| 323 | return ! str_starts_with($normalizedPath, $workingDir); |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * Does the subDir path start with the dir path? |
| 328 | */ |
| 329 | public function isSubDirOf(string $dir, string $subDir): bool |
| 330 | { |
| 331 | return str_starts_with( |
| 332 | $this->normalizePath($subDir), |
| 333 | $this->normalizePath($dir) |
| 334 | ); |
| 335 | } |
| 336 | |
| 337 | public function normalizePath(string $path): string |
| 338 | { |
| 339 | return $this->pathNormalizer->normalizePath($path); |
| 340 | } |
| 341 | |
| 342 | public function prefixPath(string $path): string |
| 343 | { |
| 344 | /** |
| 345 | * @phpstan-ignore method.notFound |
| 346 | */ |
| 347 | return $this->pathPrefixer->prefixPath($path); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Normalize a path and ensure it's absolute. |
| 352 | * |
| 353 | * Flysystem's normalizer strips leading slashes because paths are relative to the adapter root. |
| 354 | * When we need paths for external use (Composer, realpath, etc.), they must be absolute. |
| 355 | * |
| 356 | * - On Unix: prepends '/' if not present |
| 357 | * - On Windows: paths already have drive letters (e.g., 'C:/...') so no prefix needed |
| 358 | */ |
| 359 | public function makeAbsolute(string $path): string |
| 360 | { |
| 361 | // Strip scheme: |
| 362 | $schemlessPath = preg_replace('/^[a-zA-Z]+:\/\//', '$1', $path); |
| 363 | |
| 364 | if (0 === stripos($schemlessPath, self::normalizeDirSeparator($this->localFsLocation))) { |
| 365 | return $schemlessPath; |
| 366 | } |
| 367 | |
| 368 | $normalSchemlessPath = $this->normalizePath($schemlessPath); |
| 369 | |
| 370 | $prefixedNormalSchemlessPath = $this->prefixPath($normalSchemlessPath); |
| 371 | |
| 372 | return $prefixedNormalSchemlessPath; |
| 373 | |
| 374 | $fsRoot = self::getFsRoot($this->localFsLocation); |
| 375 | |
| 376 | // If this is already prefixed with the drive(fs) root. |
| 377 | if (stripos($path, $fsRoot) === 0 || stripos($path, self::normalizeDirSeparator($fsRoot)) === 0) { |
| 378 | return $path; |
| 379 | } |
| 380 | |
| 381 | $normalizedPath = $this->normalizePath($path); |
| 382 | |
| 383 | if (strtolower(self::getFsRoot($this->localFsLocation)) === strtolower(self::getFsRoot($normalizedPath))) { |
| 384 | return $path; |
| 385 | } |
| 386 | |
| 387 | $normalizedRoot = self::normalizeDirSeparator(self::getFsRoot($this->localFsLocation)); |
| 388 | |
| 389 | if (str_starts_with(strtoupper($normalizedPath), $normalizedRoot)) { |
| 390 | return self::normalizeDirSeparator($path, DIRECTORY_SEPARATOR); |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * TODO: Replace with `\Composer\Util\Filesystem::isStreamWrapperPath()` when Composer PR merged. |
| 395 | * |
| 396 | * @see https://github.com/composer/composer/pull/12396 |
| 397 | */ |
| 398 | if (1 === preg_match('/^[a-zA-Z]+:\/\//', $this->localFsLocation) && ! str_starts_with($this->localFsLocation, 'file://')) { |
| 399 | return $this->localFsLocation . $path; |
| 400 | } |
| 401 | |
| 402 | $prefixed = $this->prefixPath($this->normalizePath($path)); |
| 403 | |
| 404 | // if ($this->getAdapter() instanceof InMemoryFilesystemAdapter || $this->getAdapter() instanceof ReadOnlyFileSystem) { |
| 405 | // if ($this->flysystemAdapter instanceof ReadOnlyFileSystem) { |
| 406 | // return str_replace(':/', '://', $prefixed); |
| 407 | // } |
| 408 | |
| 409 | return self::normalizeDirSeparator($prefixed, DIRECTORY_SEPARATOR); |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * @throws FilesystemException |
| 414 | * @throws Exception |
| 415 | */ |
| 416 | public function isDirectoryEmpty(string $dirPath): bool |
| 417 | { |
| 418 | if (!empty($this->listContents($dirPath)->toArray())) { |
| 419 | return false; |
| 420 | } |
| 421 | |
| 422 | $fsPath = $this->prefixPath($this->normalizePath($dirPath) . DIRECTORY_SEPARATOR . '*'); |
| 423 | $fsList = glob($fsPath); |
| 424 | |
| 425 | if (false === $fsList) { |
| 426 | throw new Exception('glob() failed on ' . $fsPath); |
| 427 | } |
| 428 | |
| 429 | return empty($fsList); |
| 430 | } |
| 431 | |
| 432 | public function setLocalFsLocation(string $string): void |
| 433 | { |
| 434 | $this->localFsLocation = $string; |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Flysystem is ignoring symlinks. |
| 439 | * A better implementation of this fix is done in another branch which will be merged in #278. |
| 440 | * |
| 441 | * This `is_dir()` approach is bound to break the {@see ReadOnlyFileSystemAdapter} / `--dry-run` sometimes. |
| 442 | * The change in #278 changes LocalFileSystemAdapter to follow symlinks. |
| 443 | */ |
| 444 | // public function directoryExists(string $path): bool |
| 445 | // { |
| 446 | // return $this->traitDirectoryExists($path) || is_dir("/$path"); |
| 447 | // } |
| 448 | } |