738 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			738 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
| <?php
 | |
| 
 | |
| /*
 | |
|  * This file is part of the Symfony package.
 | |
|  *
 | |
|  * (c) Fabien Potencier <fabien@symfony.com>
 | |
|  *
 | |
|  * For the full copyright and license information, please view the LICENSE
 | |
|  * file that was distributed with this source code.
 | |
|  */
 | |
| 
 | |
| namespace Symfony\Component\Filesystem;
 | |
| 
 | |
| use Symfony\Component\Filesystem\Exception\FileNotFoundException;
 | |
| use Symfony\Component\Filesystem\Exception\InvalidArgumentException;
 | |
| use Symfony\Component\Filesystem\Exception\IOException;
 | |
| 
 | |
| /**
 | |
|  * Provides basic utility to manipulate the file system.
 | |
|  *
 | |
|  * @author Fabien Potencier <fabien@symfony.com>
 | |
|  */
 | |
| class Filesystem
 | |
| {
 | |
|     private static $lastError;
 | |
| 
 | |
|     /**
 | |
|      * Copies a file.
 | |
|      *
 | |
|      * If the target file is older than the origin file, it's always overwritten.
 | |
|      * If the target file is newer, it is overwritten only when the
 | |
|      * $overwriteNewerFiles option is set to true.
 | |
|      *
 | |
|      * @throws FileNotFoundException When originFile doesn't exist
 | |
|      * @throws IOException           When copy fails
 | |
|      */
 | |
|     public function copy(string $originFile, string $targetFile, bool $overwriteNewerFiles = false)
 | |
|     {
 | |
|         $originIsLocal = stream_is_local($originFile) || 0 === stripos($originFile, 'file://');
 | |
|         if ($originIsLocal && !is_file($originFile)) {
 | |
|             throw new FileNotFoundException(sprintf('Failed to copy "%s" because file does not exist.', $originFile), 0, null, $originFile);
 | |
|         }
 | |
| 
 | |
|         $this->mkdir(\dirname($targetFile));
 | |
| 
 | |
|         $doCopy = true;
 | |
|         if (!$overwriteNewerFiles && null === parse_url($originFile, \PHP_URL_HOST) && is_file($targetFile)) {
 | |
|             $doCopy = filemtime($originFile) > filemtime($targetFile);
 | |
|         }
 | |
| 
 | |
|         if ($doCopy) {
 | |
|             // https://bugs.php.net/64634
 | |
|             if (!$source = self::box('fopen', $originFile, 'r')) {
 | |
|                 throw new IOException(sprintf('Failed to copy "%s" to "%s" because source file could not be opened for reading: ', $originFile, $targetFile).self::$lastError, 0, null, $originFile);
 | |
|             }
 | |
| 
 | |
|             // Stream context created to allow files overwrite when using FTP stream wrapper - disabled by default
 | |
|             if (!$target = self::box('fopen', $targetFile, 'w', false, stream_context_create(['ftp' => ['overwrite' => true]]))) {
 | |
|                 throw new IOException(sprintf('Failed to copy "%s" to "%s" because target file could not be opened for writing: ', $originFile, $targetFile).self::$lastError, 0, null, $originFile);
 | |
|             }
 | |
| 
 | |
|             $bytesCopied = stream_copy_to_stream($source, $target);
 | |
|             fclose($source);
 | |
|             fclose($target);
 | |
|             unset($source, $target);
 | |
| 
 | |
|             if (!is_file($targetFile)) {
 | |
|                 throw new IOException(sprintf('Failed to copy "%s" to "%s".', $originFile, $targetFile), 0, null, $originFile);
 | |
|             }
 | |
| 
 | |
|             if ($originIsLocal) {
 | |
|                 // Like `cp`, preserve executable permission bits
 | |
|                 self::box('chmod', $targetFile, fileperms($targetFile) | (fileperms($originFile) & 0111));
 | |
| 
 | |
|                 if ($bytesCopied !== $bytesOrigin = filesize($originFile)) {
 | |
|                     throw new IOException(sprintf('Failed to copy the whole content of "%s" to "%s" (%g of %g bytes copied).', $originFile, $targetFile, $bytesCopied, $bytesOrigin), 0, null, $originFile);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Creates a directory recursively.
 | |
|      *
 | |
|      * @throws IOException On any directory creation failure
 | |
|      */
 | |
|     public function mkdir(string|iterable $dirs, int $mode = 0777)
 | |
|     {
 | |
|         foreach ($this->toIterable($dirs) as $dir) {
 | |
|             if (is_dir($dir)) {
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             if (!self::box('mkdir', $dir, $mode, true) && !is_dir($dir)) {
 | |
|                 throw new IOException(sprintf('Failed to create "%s": ', $dir).self::$lastError, 0, null, $dir);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Checks the existence of files or directories.
 | |
|      */
 | |
|     public function exists(string|iterable $files): bool
 | |
|     {
 | |
|         $maxPathLength = \PHP_MAXPATHLEN - 2;
 | |
| 
 | |
|         foreach ($this->toIterable($files) as $file) {
 | |
|             if (\strlen($file) > $maxPathLength) {
 | |
|                 throw new IOException(sprintf('Could not check if file exist because path length exceeds %d characters.', $maxPathLength), 0, null, $file);
 | |
|             }
 | |
| 
 | |
|             if (!file_exists($file)) {
 | |
|                 return false;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return true;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Sets access and modification time of file.
 | |
|      *
 | |
|      * @param int|null $time  The touch time as a Unix timestamp, if not supplied the current system time is used
 | |
|      * @param int|null $atime The access time as a Unix timestamp, if not supplied the current system time is used
 | |
|      *
 | |
|      * @throws IOException When touch fails
 | |
|      */
 | |
|     public function touch(string|iterable $files, int $time = null, int $atime = null)
 | |
|     {
 | |
|         foreach ($this->toIterable($files) as $file) {
 | |
|             if (!($time ? self::box('touch', $file, $time, $atime) : self::box('touch', $file))) {
 | |
|                 throw new IOException(sprintf('Failed to touch "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Removes files or directories.
 | |
|      *
 | |
|      * @throws IOException When removal fails
 | |
|      */
 | |
|     public function remove(string|iterable $files)
 | |
|     {
 | |
|         if ($files instanceof \Traversable) {
 | |
|             $files = iterator_to_array($files, false);
 | |
|         } elseif (!\is_array($files)) {
 | |
|             $files = [$files];
 | |
|         }
 | |
| 
 | |
|         self::doRemove($files, false);
 | |
|     }
 | |
| 
 | |
|     private static function doRemove(array $files, bool $isRecursive): void
 | |
|     {
 | |
|         $files = array_reverse($files);
 | |
|         foreach ($files as $file) {
 | |
|             if (is_link($file)) {
 | |
|                 // See https://bugs.php.net/52176
 | |
|                 if (!(self::box('unlink', $file) || '\\' !== \DIRECTORY_SEPARATOR || self::box('rmdir', $file)) && file_exists($file)) {
 | |
|                     throw new IOException(sprintf('Failed to remove symlink "%s": ', $file).self::$lastError);
 | |
|                 }
 | |
|             } elseif (is_dir($file)) {
 | |
|                 if (!$isRecursive) {
 | |
|                     $tmpName = \dirname(realpath($file)).'/.'.strrev(strtr(base64_encode(random_bytes(2)), '/=', '-_'));
 | |
| 
 | |
|                     if (file_exists($tmpName)) {
 | |
|                         try {
 | |
|                             self::doRemove([$tmpName], true);
 | |
|                         } catch (IOException) {
 | |
|                         }
 | |
|                     }
 | |
| 
 | |
|                     if (!file_exists($tmpName) && self::box('rename', $file, $tmpName)) {
 | |
|                         $origFile = $file;
 | |
|                         $file = $tmpName;
 | |
|                     } else {
 | |
|                         $origFile = null;
 | |
|                     }
 | |
|                 }
 | |
| 
 | |
|                 $filesystemIterator = new \FilesystemIterator($file, \FilesystemIterator::CURRENT_AS_PATHNAME | \FilesystemIterator::SKIP_DOTS);
 | |
|                 self::doRemove(iterator_to_array($filesystemIterator, true), true);
 | |
| 
 | |
|                 if (!self::box('rmdir', $file) && file_exists($file) && !$isRecursive) {
 | |
|                     $lastError = self::$lastError;
 | |
| 
 | |
|                     if (null !== $origFile && self::box('rename', $file, $origFile)) {
 | |
|                         $file = $origFile;
 | |
|                     }
 | |
| 
 | |
|                     throw new IOException(sprintf('Failed to remove directory "%s": ', $file).$lastError);
 | |
|                 }
 | |
|             } elseif (!self::box('unlink', $file) && (str_contains(self::$lastError, 'Permission denied') || file_exists($file))) {
 | |
|                 throw new IOException(sprintf('Failed to remove file "%s": ', $file).self::$lastError);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Change mode for an array of files or directories.
 | |
|      *
 | |
|      * @param int  $mode      The new mode (octal)
 | |
|      * @param int  $umask     The mode mask (octal)
 | |
|      * @param bool $recursive Whether change the mod recursively or not
 | |
|      *
 | |
|      * @throws IOException When the change fails
 | |
|      */
 | |
|     public function chmod(string|iterable $files, int $mode, int $umask = 0000, bool $recursive = false)
 | |
|     {
 | |
|         foreach ($this->toIterable($files) as $file) {
 | |
|             if (\is_int($mode) && !self::box('chmod', $file, $mode & ~$umask)) {
 | |
|                 throw new IOException(sprintf('Failed to chmod file "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|             }
 | |
|             if ($recursive && is_dir($file) && !is_link($file)) {
 | |
|                 $this->chmod(new \FilesystemIterator($file), $mode, $umask, true);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Change the owner of an array of files or directories.
 | |
|      *
 | |
|      * @param string|int $user      A user name or number
 | |
|      * @param bool       $recursive Whether change the owner recursively or not
 | |
|      *
 | |
|      * @throws IOException When the change fails
 | |
|      */
 | |
|     public function chown(string|iterable $files, string|int $user, bool $recursive = false)
 | |
|     {
 | |
|         foreach ($this->toIterable($files) as $file) {
 | |
|             if ($recursive && is_dir($file) && !is_link($file)) {
 | |
|                 $this->chown(new \FilesystemIterator($file), $user, true);
 | |
|             }
 | |
|             if (is_link($file) && \function_exists('lchown')) {
 | |
|                 if (!self::box('lchown', $file, $user)) {
 | |
|                     throw new IOException(sprintf('Failed to chown file "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|                 }
 | |
|             } else {
 | |
|                 if (!self::box('chown', $file, $user)) {
 | |
|                     throw new IOException(sprintf('Failed to chown file "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Change the group of an array of files or directories.
 | |
|      *
 | |
|      * @param string|int $group     A group name or number
 | |
|      * @param bool       $recursive Whether change the group recursively or not
 | |
|      *
 | |
|      * @throws IOException When the change fails
 | |
|      */
 | |
|     public function chgrp(string|iterable $files, string|int $group, bool $recursive = false)
 | |
|     {
 | |
|         foreach ($this->toIterable($files) as $file) {
 | |
|             if ($recursive && is_dir($file) && !is_link($file)) {
 | |
|                 $this->chgrp(new \FilesystemIterator($file), $group, true);
 | |
|             }
 | |
|             if (is_link($file) && \function_exists('lchgrp')) {
 | |
|                 if (!self::box('lchgrp', $file, $group)) {
 | |
|                     throw new IOException(sprintf('Failed to chgrp file "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|                 }
 | |
|             } else {
 | |
|                 if (!self::box('chgrp', $file, $group)) {
 | |
|                     throw new IOException(sprintf('Failed to chgrp file "%s": ', $file).self::$lastError, 0, null, $file);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Renames a file or a directory.
 | |
|      *
 | |
|      * @throws IOException When target file or directory already exists
 | |
|      * @throws IOException When origin cannot be renamed
 | |
|      */
 | |
|     public function rename(string $origin, string $target, bool $overwrite = false)
 | |
|     {
 | |
|         // we check that target does not exist
 | |
|         if (!$overwrite && $this->isReadable($target)) {
 | |
|             throw new IOException(sprintf('Cannot rename because the target "%s" already exists.', $target), 0, null, $target);
 | |
|         }
 | |
| 
 | |
|         if (!self::box('rename', $origin, $target)) {
 | |
|             if (is_dir($origin)) {
 | |
|                 // See https://bugs.php.net/54097 & https://php.net/rename#113943
 | |
|                 $this->mirror($origin, $target, null, ['override' => $overwrite, 'delete' => $overwrite]);
 | |
|                 $this->remove($origin);
 | |
| 
 | |
|                 return;
 | |
|             }
 | |
|             throw new IOException(sprintf('Cannot rename "%s" to "%s": ', $origin, $target).self::$lastError, 0, null, $target);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Tells whether a file exists and is readable.
 | |
|      *
 | |
|      * @throws IOException When windows path is longer than 258 characters
 | |
|      */
 | |
|     private function isReadable(string $filename): bool
 | |
|     {
 | |
|         $maxPathLength = \PHP_MAXPATHLEN - 2;
 | |
| 
 | |
|         if (\strlen($filename) > $maxPathLength) {
 | |
|             throw new IOException(sprintf('Could not check if file is readable because path length exceeds %d characters.', $maxPathLength), 0, null, $filename);
 | |
|         }
 | |
| 
 | |
|         return is_readable($filename);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Creates a symbolic link or copy a directory.
 | |
|      *
 | |
|      * @throws IOException When symlink fails
 | |
|      */
 | |
|     public function symlink(string $originDir, string $targetDir, bool $copyOnWindows = false)
 | |
|     {
 | |
|         self::assertFunctionExists('symlink');
 | |
| 
 | |
|         if ('\\' === \DIRECTORY_SEPARATOR) {
 | |
|             $originDir = strtr($originDir, '/', '\\');
 | |
|             $targetDir = strtr($targetDir, '/', '\\');
 | |
| 
 | |
|             if ($copyOnWindows) {
 | |
|                 $this->mirror($originDir, $targetDir);
 | |
| 
 | |
|                 return;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $this->mkdir(\dirname($targetDir));
 | |
| 
 | |
|         if (is_link($targetDir)) {
 | |
|             if (readlink($targetDir) === $originDir) {
 | |
|                 return;
 | |
|             }
 | |
|             $this->remove($targetDir);
 | |
|         }
 | |
| 
 | |
|         if (!self::box('symlink', $originDir, $targetDir)) {
 | |
|             $this->linkException($originDir, $targetDir, 'symbolic');
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Creates a hard link, or several hard links to a file.
 | |
|      *
 | |
|      * @param string|string[] $targetFiles The target file(s)
 | |
|      *
 | |
|      * @throws FileNotFoundException When original file is missing or not a file
 | |
|      * @throws IOException           When link fails, including if link already exists
 | |
|      */
 | |
|     public function hardlink(string $originFile, string|iterable $targetFiles)
 | |
|     {
 | |
|         self::assertFunctionExists('link');
 | |
| 
 | |
|         if (!$this->exists($originFile)) {
 | |
|             throw new FileNotFoundException(null, 0, null, $originFile);
 | |
|         }
 | |
| 
 | |
|         if (!is_file($originFile)) {
 | |
|             throw new FileNotFoundException(sprintf('Origin file "%s" is not a file.', $originFile));
 | |
|         }
 | |
| 
 | |
|         foreach ($this->toIterable($targetFiles) as $targetFile) {
 | |
|             if (is_file($targetFile)) {
 | |
|                 if (fileinode($originFile) === fileinode($targetFile)) {
 | |
|                     continue;
 | |
|                 }
 | |
|                 $this->remove($targetFile);
 | |
|             }
 | |
| 
 | |
|             if (!self::box('link', $originFile, $targetFile)) {
 | |
|                 $this->linkException($originFile, $targetFile, 'hard');
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param string $linkType Name of the link type, typically 'symbolic' or 'hard'
 | |
|      */
 | |
|     private function linkException(string $origin, string $target, string $linkType)
 | |
|     {
 | |
|         if (self::$lastError) {
 | |
|             if ('\\' === \DIRECTORY_SEPARATOR && str_contains(self::$lastError, 'error code(1314)')) {
 | |
|                 throw new IOException(sprintf('Unable to create "%s" link due to error code 1314: \'A required privilege is not held by the client\'. Do you have the required Administrator-rights?', $linkType), 0, null, $target);
 | |
|             }
 | |
|         }
 | |
|         throw new IOException(sprintf('Failed to create "%s" link from "%s" to "%s": ', $linkType, $origin, $target).self::$lastError, 0, null, $target);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Resolves links in paths.
 | |
|      *
 | |
|      * With $canonicalize = false (default)
 | |
|      *      - if $path does not exist or is not a link, returns null
 | |
|      *      - if $path is a link, returns the next direct target of the link without considering the existence of the target
 | |
|      *
 | |
|      * With $canonicalize = true
 | |
|      *      - if $path does not exist, returns null
 | |
|      *      - if $path exists, returns its absolute fully resolved final version
 | |
|      */
 | |
|     public function readlink(string $path, bool $canonicalize = false): ?string
 | |
|     {
 | |
|         if (!$canonicalize && !is_link($path)) {
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         if ($canonicalize) {
 | |
|             if (!$this->exists($path)) {
 | |
|                 return null;
 | |
|             }
 | |
| 
 | |
|             return realpath($path);
 | |
|         }
 | |
| 
 | |
|         return readlink($path);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Given an existing path, convert it to a path relative to a given starting path.
 | |
|      */
 | |
|     public function makePathRelative(string $endPath, string $startPath): string
 | |
|     {
 | |
|         if (!$this->isAbsolutePath($startPath)) {
 | |
|             throw new InvalidArgumentException(sprintf('The start path "%s" is not absolute.', $startPath));
 | |
|         }
 | |
| 
 | |
|         if (!$this->isAbsolutePath($endPath)) {
 | |
|             throw new InvalidArgumentException(sprintf('The end path "%s" is not absolute.', $endPath));
 | |
|         }
 | |
| 
 | |
|         // Normalize separators on Windows
 | |
|         if ('\\' === \DIRECTORY_SEPARATOR) {
 | |
|             $endPath = str_replace('\\', '/', $endPath);
 | |
|             $startPath = str_replace('\\', '/', $startPath);
 | |
|         }
 | |
| 
 | |
|         $splitDriveLetter = function ($path) {
 | |
|             return (\strlen($path) > 2 && ':' === $path[1] && '/' === $path[2] && ctype_alpha($path[0]))
 | |
|                 ? [substr($path, 2), strtoupper($path[0])]
 | |
|                 : [$path, null];
 | |
|         };
 | |
| 
 | |
|         $splitPath = function ($path) {
 | |
|             $result = [];
 | |
| 
 | |
|             foreach (explode('/', trim($path, '/')) as $segment) {
 | |
|                 if ('..' === $segment) {
 | |
|                     array_pop($result);
 | |
|                 } elseif ('.' !== $segment && '' !== $segment) {
 | |
|                     $result[] = $segment;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return $result;
 | |
|         };
 | |
| 
 | |
|         [$endPath, $endDriveLetter] = $splitDriveLetter($endPath);
 | |
|         [$startPath, $startDriveLetter] = $splitDriveLetter($startPath);
 | |
| 
 | |
|         $startPathArr = $splitPath($startPath);
 | |
|         $endPathArr = $splitPath($endPath);
 | |
| 
 | |
|         if ($endDriveLetter && $startDriveLetter && $endDriveLetter != $startDriveLetter) {
 | |
|             // End path is on another drive, so no relative path exists
 | |
|             return $endDriveLetter.':/'.($endPathArr ? implode('/', $endPathArr).'/' : '');
 | |
|         }
 | |
| 
 | |
|         // Find for which directory the common path stops
 | |
|         $index = 0;
 | |
|         while (isset($startPathArr[$index]) && isset($endPathArr[$index]) && $startPathArr[$index] === $endPathArr[$index]) {
 | |
|             ++$index;
 | |
|         }
 | |
| 
 | |
|         // Determine how deep the start path is relative to the common path (ie, "web/bundles" = 2 levels)
 | |
|         if (1 === \count($startPathArr) && '' === $startPathArr[0]) {
 | |
|             $depth = 0;
 | |
|         } else {
 | |
|             $depth = \count($startPathArr) - $index;
 | |
|         }
 | |
| 
 | |
|         // Repeated "../" for each level need to reach the common path
 | |
|         $traverser = str_repeat('../', $depth);
 | |
| 
 | |
|         $endPathRemainder = implode('/', \array_slice($endPathArr, $index));
 | |
| 
 | |
|         // Construct $endPath from traversing to the common path, then to the remaining $endPath
 | |
|         $relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.'/' : '');
 | |
| 
 | |
|         return '' === $relativePath ? './' : $relativePath;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Mirrors a directory to another.
 | |
|      *
 | |
|      * Copies files and directories from the origin directory into the target directory. By default:
 | |
|      *
 | |
|      *  - existing files in the target directory will be overwritten, except if they are newer (see the `override` option)
 | |
|      *  - files in the target directory that do not exist in the source directory will not be deleted (see the `delete` option)
 | |
|      *
 | |
|      * @param \Traversable|null $iterator Iterator that filters which files and directories to copy, if null a recursive iterator is created
 | |
|      * @param array             $options  An array of boolean options
 | |
|      *                                    Valid options are:
 | |
|      *                                    - $options['override'] If true, target files newer than origin files are overwritten (see copy(), defaults to false)
 | |
|      *                                    - $options['copy_on_windows'] Whether to copy files instead of links on Windows (see symlink(), defaults to false)
 | |
|      *                                    - $options['delete'] Whether to delete files that are not in the source directory (defaults to false)
 | |
|      *
 | |
|      * @throws IOException When file type is unknown
 | |
|      */
 | |
|     public function mirror(string $originDir, string $targetDir, \Traversable $iterator = null, array $options = [])
 | |
|     {
 | |
|         $targetDir = rtrim($targetDir, '/\\');
 | |
|         $originDir = rtrim($originDir, '/\\');
 | |
|         $originDirLen = \strlen($originDir);
 | |
| 
 | |
|         if (!$this->exists($originDir)) {
 | |
|             throw new IOException(sprintf('The origin directory specified "%s" was not found.', $originDir), 0, null, $originDir);
 | |
|         }
 | |
| 
 | |
|         // Iterate in destination folder to remove obsolete entries
 | |
|         if ($this->exists($targetDir) && isset($options['delete']) && $options['delete']) {
 | |
|             $deleteIterator = $iterator;
 | |
|             if (null === $deleteIterator) {
 | |
|                 $flags = \FilesystemIterator::SKIP_DOTS;
 | |
|                 $deleteIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($targetDir, $flags), \RecursiveIteratorIterator::CHILD_FIRST);
 | |
|             }
 | |
|             $targetDirLen = \strlen($targetDir);
 | |
|             foreach ($deleteIterator as $file) {
 | |
|                 $origin = $originDir.substr($file->getPathname(), $targetDirLen);
 | |
|                 if (!$this->exists($origin)) {
 | |
|                     $this->remove($file);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $copyOnWindows = $options['copy_on_windows'] ?? false;
 | |
| 
 | |
|         if (null === $iterator) {
 | |
|             $flags = $copyOnWindows ? \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS : \FilesystemIterator::SKIP_DOTS;
 | |
|             $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($originDir, $flags), \RecursiveIteratorIterator::SELF_FIRST);
 | |
|         }
 | |
| 
 | |
|         $this->mkdir($targetDir);
 | |
|         $filesCreatedWhileMirroring = [];
 | |
| 
 | |
|         foreach ($iterator as $file) {
 | |
|             if ($file->getPathname() === $targetDir || $file->getRealPath() === $targetDir || isset($filesCreatedWhileMirroring[$file->getRealPath()])) {
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $target = $targetDir.substr($file->getPathname(), $originDirLen);
 | |
|             $filesCreatedWhileMirroring[$target] = true;
 | |
| 
 | |
|             if (!$copyOnWindows && is_link($file)) {
 | |
|                 $this->symlink($file->getLinkTarget(), $target);
 | |
|             } elseif (is_dir($file)) {
 | |
|                 $this->mkdir($target);
 | |
|             } elseif (is_file($file)) {
 | |
|                 $this->copy($file, $target, $options['override'] ?? false);
 | |
|             } else {
 | |
|                 throw new IOException(sprintf('Unable to guess "%s" file type.', $file), 0, null, $file);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns whether the file path is an absolute path.
 | |
|      */
 | |
|     public function isAbsolutePath(string $file): bool
 | |
|     {
 | |
|         return '' !== $file && (strspn($file, '/\\', 0, 1)
 | |
|             || (\strlen($file) > 3 && ctype_alpha($file[0])
 | |
|                 && ':' === $file[1]
 | |
|                 && strspn($file, '/\\', 2, 1)
 | |
|             )
 | |
|             || null !== parse_url($file, \PHP_URL_SCHEME)
 | |
|         );
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Creates a temporary file with support for custom stream wrappers.
 | |
|      *
 | |
|      * @param string $prefix The prefix of the generated temporary filename
 | |
|      *                       Note: Windows uses only the first three characters of prefix
 | |
|      * @param string $suffix The suffix of the generated temporary filename
 | |
|      *
 | |
|      * @return string The new temporary filename (with path), or throw an exception on failure
 | |
|      */
 | |
|     public function tempnam(string $dir, string $prefix, string $suffix = ''): string
 | |
|     {
 | |
|         [$scheme, $hierarchy] = $this->getSchemeAndHierarchy($dir);
 | |
| 
 | |
|         // If no scheme or scheme is "file" or "gs" (Google Cloud) create temp file in local filesystem
 | |
|         if ((null === $scheme || 'file' === $scheme || 'gs' === $scheme) && '' === $suffix) {
 | |
|             // If tempnam failed or no scheme return the filename otherwise prepend the scheme
 | |
|             if ($tmpFile = self::box('tempnam', $hierarchy, $prefix)) {
 | |
|                 if (null !== $scheme && 'gs' !== $scheme) {
 | |
|                     return $scheme.'://'.$tmpFile;
 | |
|                 }
 | |
| 
 | |
|                 return $tmpFile;
 | |
|             }
 | |
| 
 | |
|             throw new IOException('A temporary file could not be created: '.self::$lastError);
 | |
|         }
 | |
| 
 | |
|         // Loop until we create a valid temp file or have reached 10 attempts
 | |
|         for ($i = 0; $i < 10; ++$i) {
 | |
|             // Create a unique filename
 | |
|             $tmpFile = $dir.'/'.$prefix.uniqid(mt_rand(), true).$suffix;
 | |
| 
 | |
|             // Use fopen instead of file_exists as some streams do not support stat
 | |
|             // Use mode 'x+' to atomically check existence and create to avoid a TOCTOU vulnerability
 | |
|             if (!$handle = self::box('fopen', $tmpFile, 'x+')) {
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             // Close the file if it was successfully opened
 | |
|             self::box('fclose', $handle);
 | |
| 
 | |
|             return $tmpFile;
 | |
|         }
 | |
| 
 | |
|         throw new IOException('A temporary file could not be created: '.self::$lastError);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Atomically dumps content into a file.
 | |
|      *
 | |
|      * @param string|resource $content The data to write into the file
 | |
|      *
 | |
|      * @throws IOException if the file cannot be written to
 | |
|      */
 | |
|     public function dumpFile(string $filename, $content)
 | |
|     {
 | |
|         if (\is_array($content)) {
 | |
|             throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be string or resource, array given.', __METHOD__));
 | |
|         }
 | |
| 
 | |
|         $dir = \dirname($filename);
 | |
| 
 | |
|         if (!is_dir($dir)) {
 | |
|             $this->mkdir($dir);
 | |
|         }
 | |
| 
 | |
|         // Will create a temp file with 0600 access rights
 | |
|         // when the filesystem supports chmod.
 | |
|         $tmpFile = $this->tempnam($dir, basename($filename));
 | |
| 
 | |
|         try {
 | |
|             if (false === self::box('file_put_contents', $tmpFile, $content)) {
 | |
|                 throw new IOException(sprintf('Failed to write file "%s": ', $filename).self::$lastError, 0, null, $filename);
 | |
|             }
 | |
| 
 | |
|             self::box('chmod', $tmpFile, file_exists($filename) ? fileperms($filename) : 0666 & ~umask());
 | |
| 
 | |
|             $this->rename($tmpFile, $filename, true);
 | |
|         } finally {
 | |
|             if (file_exists($tmpFile)) {
 | |
|                 self::box('unlink', $tmpFile);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Appends content to an existing file.
 | |
|      *
 | |
|      * @param string|resource $content The content to append
 | |
|      * @param bool            $lock    Whether the file should be locked when writing to it
 | |
|      *
 | |
|      * @throws IOException If the file is not writable
 | |
|      */
 | |
|     public function appendToFile(string $filename, $content/* , bool $lock = false */)
 | |
|     {
 | |
|         if (\is_array($content)) {
 | |
|             throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be string or resource, array given.', __METHOD__));
 | |
|         }
 | |
| 
 | |
|         $dir = \dirname($filename);
 | |
| 
 | |
|         if (!is_dir($dir)) {
 | |
|             $this->mkdir($dir);
 | |
|         }
 | |
| 
 | |
|         $lock = \func_num_args() > 2 && func_get_arg(2);
 | |
| 
 | |
|         if (false === self::box('file_put_contents', $filename, $content, \FILE_APPEND | ($lock ? \LOCK_EX : 0))) {
 | |
|             throw new IOException(sprintf('Failed to write file "%s": ', $filename).self::$lastError, 0, null, $filename);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     private function toIterable(string|iterable $files): iterable
 | |
|     {
 | |
|         return is_iterable($files) ? $files : [$files];
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Gets a 2-tuple of scheme (may be null) and hierarchical part of a filename (e.g. file:///tmp -> [file, tmp]).
 | |
|      */
 | |
|     private function getSchemeAndHierarchy(string $filename): array
 | |
|     {
 | |
|         $components = explode('://', $filename, 2);
 | |
| 
 | |
|         return 2 === \count($components) ? [$components[0], $components[1]] : [null, $components[0]];
 | |
|     }
 | |
| 
 | |
|     private static function assertFunctionExists(string $func): void
 | |
|     {
 | |
|         if (!\function_exists($func)) {
 | |
|             throw new IOException(sprintf('Unable to perform filesystem operation because the "%s()" function has been disabled.', $func));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     private static function box(string $func, mixed ...$args): mixed
 | |
|     {
 | |
|         self::assertFunctionExists($func);
 | |
| 
 | |
|         self::$lastError = null;
 | |
|         set_error_handler(__CLASS__.'::handleError');
 | |
|         try {
 | |
|             return $func(...$args);
 | |
|         } finally {
 | |
|             restore_error_handler();
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @internal
 | |
|      */
 | |
|     public static function handleError(int $type, string $msg)
 | |
|     {
 | |
|         self::$lastError = $msg;
 | |
|     }
 | |
| }
 |