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756 lines
29 KiB
756 lines
29 KiB
<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\Filesystem; |
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use Symfony\Component\Filesystem\Exception\FileNotFoundException; |
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use Symfony\Component\Filesystem\Exception\InvalidArgumentException; |
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use Symfony\Component\Filesystem\Exception\IOException; |
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/** |
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* Provides basic utility to manipulate the file system. |
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* |
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* @author Fabien Potencier <fabien@symfony.com> |
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*/ |
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class Filesystem |
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{ |
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private static $lastError; |
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/** |
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* Copies a file. |
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* |
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* If the target file is older than the origin file, it's always overwritten. |
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* If the target file is newer, it is overwritten only when the |
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* $overwriteNewerFiles option is set to true. |
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* |
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* @throws FileNotFoundException When originFile doesn't exist |
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* @throws IOException When copy fails |
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*/ |
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public function copy(string $originFile, string $targetFile, bool $overwriteNewerFiles = false) |
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{ |
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$originIsLocal = stream_is_local($originFile) || 0 === stripos($originFile, 'file://'); |
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if ($originIsLocal && !is_file($originFile)) { |
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throw new FileNotFoundException(sprintf('Failed to copy "%s" because file does not exist.', $originFile), 0, null, $originFile); |
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} |
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$this->mkdir(\dirname($targetFile)); |
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$doCopy = true; |
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if (!$overwriteNewerFiles && null === parse_url($originFile, \PHP_URL_HOST) && is_file($targetFile)) { |
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$doCopy = filemtime($originFile) > filemtime($targetFile); |
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} |
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if ($doCopy) { |
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// https://bugs.php.net/64634 |
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if (!$source = self::box('fopen', $originFile, 'r')) { |
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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, $originFile); |
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} |
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// Stream context created to allow files overwrite when using FTP stream wrapper - disabled by default |
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if (!$target = self::box('fopen', $targetFile, 'w', false, stream_context_create(['ftp' => ['overwrite' => true]]))) { |
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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, $originFile); |
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} |
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$bytesCopied = stream_copy_to_stream($source, $target); |
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fclose($source); |
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fclose($target); |
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unset($source, $target); |
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if (!is_file($targetFile)) { |
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throw new IOException(sprintf('Failed to copy "%s" to "%s".', $originFile, $targetFile), 0, null, $originFile); |
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} |
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if ($originIsLocal) { |
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// Like `cp`, preserve executable permission bits |
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self::box('chmod', $targetFile, fileperms($targetFile) | (fileperms($originFile) & 0111)); |
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if ($bytesCopied !== $bytesOrigin = filesize($originFile)) { |
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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); |
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} |
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} |
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} |
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} |
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/** |
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* Creates a directory recursively. |
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* |
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* @param string|iterable $dirs The directory path |
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* |
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* @throws IOException On any directory creation failure |
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*/ |
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public function mkdir($dirs, int $mode = 0777) |
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{ |
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foreach ($this->toIterable($dirs) as $dir) { |
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if (is_dir($dir)) { |
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continue; |
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} |
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if (!self::box('mkdir', $dir, $mode, true) && !is_dir($dir)) { |
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throw new IOException(sprintf('Failed to create "%s": ', $dir).self::$lastError, 0, null, $dir); |
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} |
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} |
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} |
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/** |
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* Checks the existence of files or directories. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to check |
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* |
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* @return bool |
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*/ |
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public function exists($files) |
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{ |
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$maxPathLength = \PHP_MAXPATHLEN - 2; |
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foreach ($this->toIterable($files) as $file) { |
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if (\strlen($file) > $maxPathLength) { |
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throw new IOException(sprintf('Could not check if file exist because path length exceeds %d characters.', $maxPathLength), 0, null, $file); |
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} |
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if (!file_exists($file)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Sets access and modification time of file. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to create |
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* @param int|null $time The touch time as a Unix timestamp, if not supplied the current system time is used |
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* @param int|null $atime The access time as a Unix timestamp, if not supplied the current system time is used |
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* |
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* @throws IOException When touch fails |
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*/ |
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public function touch($files, int $time = null, int $atime = null) |
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{ |
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foreach ($this->toIterable($files) as $file) { |
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if (!($time ? self::box('touch', $file, $time, $atime) : self::box('touch', $file))) { |
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throw new IOException(sprintf('Failed to touch "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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} |
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} |
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/** |
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* Removes files or directories. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to remove |
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* |
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* @throws IOException When removal fails |
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*/ |
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public function remove($files) |
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{ |
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if ($files instanceof \Traversable) { |
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$files = iterator_to_array($files, false); |
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} elseif (!\is_array($files)) { |
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$files = [$files]; |
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} |
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self::doRemove($files, false); |
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} |
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private static function doRemove(array $files, bool $isRecursive): void |
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{ |
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$files = array_reverse($files); |
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foreach ($files as $file) { |
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if (is_link($file)) { |
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// See https://bugs.php.net/52176 |
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if (!(self::box('unlink', $file) || '\\' !== \DIRECTORY_SEPARATOR || self::box('rmdir', $file)) && file_exists($file)) { |
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throw new IOException(sprintf('Failed to remove symlink "%s": ', $file).self::$lastError); |
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} |
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} elseif (is_dir($file)) { |
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if (!$isRecursive) { |
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$tmpName = \dirname(realpath($file)).'/.'.strrev(strtr(base64_encode(random_bytes(2)), '/=', '-.')); |
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if (file_exists($tmpName)) { |
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try { |
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self::doRemove([$tmpName], true); |
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} catch (IOException $e) { |
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} |
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} |
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if (!file_exists($tmpName) && self::box('rename', $file, $tmpName)) { |
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$origFile = $file; |
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$file = $tmpName; |
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} else { |
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$origFile = null; |
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} |
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} |
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$files = new \FilesystemIterator($file, \FilesystemIterator::CURRENT_AS_PATHNAME | \FilesystemIterator::SKIP_DOTS); |
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self::doRemove(iterator_to_array($files, true), true); |
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if (!self::box('rmdir', $file) && file_exists($file) && !$isRecursive) { |
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$lastError = self::$lastError; |
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if (null !== $origFile && self::box('rename', $file, $origFile)) { |
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$file = $origFile; |
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} |
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throw new IOException(sprintf('Failed to remove directory "%s": ', $file).$lastError); |
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} |
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} elseif (!self::box('unlink', $file) && (str_contains(self::$lastError, 'Permission denied') || file_exists($file))) { |
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throw new IOException(sprintf('Failed to remove file "%s": ', $file).self::$lastError); |
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} |
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} |
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} |
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/** |
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* Change mode for an array of files or directories. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to change mode |
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* @param int $mode The new mode (octal) |
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* @param int $umask The mode mask (octal) |
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* @param bool $recursive Whether change the mod recursively or not |
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* |
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* @throws IOException When the change fails |
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*/ |
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public function chmod($files, int $mode, int $umask = 0000, bool $recursive = false) |
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{ |
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foreach ($this->toIterable($files) as $file) { |
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if ((\PHP_VERSION_ID < 80000 || \is_int($mode)) && !self::box('chmod', $file, $mode & ~$umask)) { |
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throw new IOException(sprintf('Failed to chmod file "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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if ($recursive && is_dir($file) && !is_link($file)) { |
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$this->chmod(new \FilesystemIterator($file), $mode, $umask, true); |
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} |
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} |
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} |
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/** |
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* Change the owner of an array of files or directories. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to change owner |
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* @param string|int $user A user name or number |
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* @param bool $recursive Whether change the owner recursively or not |
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* |
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* @throws IOException When the change fails |
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*/ |
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public function chown($files, $user, bool $recursive = false) |
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{ |
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foreach ($this->toIterable($files) as $file) { |
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if ($recursive && is_dir($file) && !is_link($file)) { |
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$this->chown(new \FilesystemIterator($file), $user, true); |
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} |
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if (is_link($file) && \function_exists('lchown')) { |
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if (!self::box('lchown', $file, $user)) { |
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throw new IOException(sprintf('Failed to chown file "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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} else { |
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if (!self::box('chown', $file, $user)) { |
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throw new IOException(sprintf('Failed to chown file "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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} |
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} |
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} |
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/** |
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* Change the group of an array of files or directories. |
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* |
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* @param string|iterable $files A filename, an array of files, or a \Traversable instance to change group |
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* @param string|int $group A group name or number |
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* @param bool $recursive Whether change the group recursively or not |
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* |
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* @throws IOException When the change fails |
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*/ |
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public function chgrp($files, $group, bool $recursive = false) |
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{ |
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foreach ($this->toIterable($files) as $file) { |
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if ($recursive && is_dir($file) && !is_link($file)) { |
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$this->chgrp(new \FilesystemIterator($file), $group, true); |
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} |
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if (is_link($file) && \function_exists('lchgrp')) { |
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if (!self::box('lchgrp', $file, $group)) { |
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throw new IOException(sprintf('Failed to chgrp file "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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} else { |
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if (!self::box('chgrp', $file, $group)) { |
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throw new IOException(sprintf('Failed to chgrp file "%s": ', $file).self::$lastError, 0, null, $file); |
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} |
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} |
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} |
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} |
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/** |
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* Renames a file or a directory. |
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* |
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* @throws IOException When target file or directory already exists |
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* @throws IOException When origin cannot be renamed |
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*/ |
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public function rename(string $origin, string $target, bool $overwrite = false) |
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{ |
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// we check that target does not exist |
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if (!$overwrite && $this->isReadable($target)) { |
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throw new IOException(sprintf('Cannot rename because the target "%s" already exists.', $target), 0, null, $target); |
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} |
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if (!self::box('rename', $origin, $target)) { |
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if (is_dir($origin)) { |
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// See https://bugs.php.net/54097 & https://php.net/rename#113943 |
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$this->mirror($origin, $target, null, ['override' => $overwrite, 'delete' => $overwrite]); |
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$this->remove($origin); |
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return; |
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} |
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throw new IOException(sprintf('Cannot rename "%s" to "%s": ', $origin, $target).self::$lastError, 0, null, $target); |
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} |
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} |
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/** |
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* Tells whether a file exists and is readable. |
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* |
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* @throws IOException When windows path is longer than 258 characters |
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*/ |
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private function isReadable(string $filename): bool |
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{ |
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$maxPathLength = \PHP_MAXPATHLEN - 2; |
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if (\strlen($filename) > $maxPathLength) { |
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throw new IOException(sprintf('Could not check if file is readable because path length exceeds %d characters.', $maxPathLength), 0, null, $filename); |
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} |
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return is_readable($filename); |
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} |
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/** |
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* Creates a symbolic link or copy a directory. |
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* |
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* @throws IOException When symlink fails |
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*/ |
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public function symlink(string $originDir, string $targetDir, bool $copyOnWindows = false) |
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{ |
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if ('\\' === \DIRECTORY_SEPARATOR) { |
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$originDir = strtr($originDir, '/', '\\'); |
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$targetDir = strtr($targetDir, '/', '\\'); |
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if ($copyOnWindows) { |
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$this->mirror($originDir, $targetDir); |
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return; |
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} |
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} |
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$this->mkdir(\dirname($targetDir)); |
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if (is_link($targetDir)) { |
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if (readlink($targetDir) === $originDir) { |
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return; |
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} |
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$this->remove($targetDir); |
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} |
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if (!self::box('symlink', $originDir, $targetDir)) { |
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$this->linkException($originDir, $targetDir, 'symbolic'); |
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} |
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} |
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/** |
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* Creates a hard link, or several hard links to a file. |
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* |
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* @param string|string[] $targetFiles The target file(s) |
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* |
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* @throws FileNotFoundException When original file is missing or not a file |
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* @throws IOException When link fails, including if link already exists |
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*/ |
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public function hardlink(string $originFile, $targetFiles) |
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{ |
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if (!$this->exists($originFile)) { |
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throw new FileNotFoundException(null, 0, null, $originFile); |
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} |
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if (!is_file($originFile)) { |
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throw new FileNotFoundException(sprintf('Origin file "%s" is not a file.', $originFile)); |
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} |
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foreach ($this->toIterable($targetFiles) as $targetFile) { |
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if (is_file($targetFile)) { |
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if (fileinode($originFile) === fileinode($targetFile)) { |
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continue; |
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} |
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$this->remove($targetFile); |
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} |
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if (!self::box('link', $originFile, $targetFile)) { |
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$this->linkException($originFile, $targetFile, 'hard'); |
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} |
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} |
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} |
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/** |
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* @param string $linkType Name of the link type, typically 'symbolic' or 'hard' |
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*/ |
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private function linkException(string $origin, string $target, string $linkType) |
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{ |
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if (self::$lastError) { |
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if ('\\' === \DIRECTORY_SEPARATOR && str_contains(self::$lastError, 'error code(1314)')) { |
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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); |
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} |
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} |
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throw new IOException(sprintf('Failed to create "%s" link from "%s" to "%s": ', $linkType, $origin, $target).self::$lastError, 0, null, $target); |
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} |
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/** |
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* Resolves links in paths. |
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* |
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* With $canonicalize = false (default) |
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* - if $path does not exist or is not a link, returns null |
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* - if $path is a link, returns the next direct target of the link without considering the existence of the target |
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* |
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* With $canonicalize = true |
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* - if $path does not exist, returns null |
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* - if $path exists, returns its absolute fully resolved final version |
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* |
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* @return string|null |
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*/ |
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public function readlink(string $path, bool $canonicalize = false) |
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{ |
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if (!$canonicalize && !is_link($path)) { |
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return null; |
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} |
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if ($canonicalize) { |
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if (!$this->exists($path)) { |
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return null; |
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} |
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if ('\\' === \DIRECTORY_SEPARATOR && \PHP_VERSION_ID < 70410) { |
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$path = readlink($path); |
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} |
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return realpath($path); |
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} |
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if ('\\' === \DIRECTORY_SEPARATOR && \PHP_VERSION_ID < 70400) { |
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return realpath($path); |
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} |
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return readlink($path); |
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} |
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/** |
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* Given an existing path, convert it to a path relative to a given starting path. |
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* |
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* @return string |
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*/ |
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public function makePathRelative(string $endPath, string $startPath) |
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{ |
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if (!$this->isAbsolutePath($startPath)) { |
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throw new InvalidArgumentException(sprintf('The start path "%s" is not absolute.', $startPath)); |
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} |
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if (!$this->isAbsolutePath($endPath)) { |
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throw new InvalidArgumentException(sprintf('The end path "%s" is not absolute.', $endPath)); |
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} |
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// Normalize separators on Windows |
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if ('\\' === \DIRECTORY_SEPARATOR) { |
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$endPath = str_replace('\\', '/', $endPath); |
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$startPath = str_replace('\\', '/', $startPath); |
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} |
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$splitDriveLetter = function ($path) { |
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return (\strlen($path) > 2 && ':' === $path[1] && '/' === $path[2] && ctype_alpha($path[0])) |
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? [substr($path, 2), strtoupper($path[0])] |
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: [$path, null]; |
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}; |
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$splitPath = function ($path) { |
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$result = []; |
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foreach (explode('/', trim($path, '/')) as $segment) { |
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if ('..' === $segment) { |
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array_pop($result); |
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} elseif ('.' !== $segment && '' !== $segment) { |
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$result[] = $segment; |
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} |
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} |
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return $result; |
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}; |
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[$endPath, $endDriveLetter] = $splitDriveLetter($endPath); |
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[$startPath, $startDriveLetter] = $splitDriveLetter($startPath); |
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$startPathArr = $splitPath($startPath); |
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$endPathArr = $splitPath($endPath); |
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if ($endDriveLetter && $startDriveLetter && $endDriveLetter != $startDriveLetter) { |
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// End path is on another drive, so no relative path exists |
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return $endDriveLetter.':/'.($endPathArr ? implode('/', $endPathArr).'/' : ''); |
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} |
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// Find for which directory the common path stops |
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$index = 0; |
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while (isset($startPathArr[$index]) && isset($endPathArr[$index]) && $startPathArr[$index] === $endPathArr[$index]) { |
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++$index; |
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} |
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// Determine how deep the start path is relative to the common path (ie, "web/bundles" = 2 levels) |
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if (1 === \count($startPathArr) && '' === $startPathArr[0]) { |
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$depth = 0; |
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} else { |
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$depth = \count($startPathArr) - $index; |
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} |
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// Repeated "../" for each level need to reach the common path |
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$traverser = str_repeat('../', $depth); |
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$endPathRemainder = implode('/', \array_slice($endPathArr, $index)); |
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// Construct $endPath from traversing to the common path, then to the remaining $endPath |
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$relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.'/' : ''); |
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return '' === $relativePath ? './' : $relativePath; |
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} |
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/** |
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* Mirrors a directory to another. |
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* |
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* Copies files and directories from the origin directory into the target directory. By default: |
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* |
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* - existing files in the target directory will be overwritten, except if they are newer (see the `override` option) |
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* - files in the target directory that do not exist in the source directory will not be deleted (see the `delete` option) |
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* |
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* @param \Traversable|null $iterator Iterator that filters which files and directories to copy, if null a recursive iterator is created |
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* @param array $options An array of boolean options |
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* Valid options are: |
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* - $options['override'] If true, target files newer than origin files are overwritten (see copy(), defaults to false) |
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* - $options['copy_on_windows'] Whether to copy files instead of links on Windows (see symlink(), defaults to false) |
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* - $options['delete'] Whether to delete files that are not in the source directory (defaults to false) |
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* |
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* @throws IOException When file type is unknown |
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*/ |
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public function mirror(string $originDir, string $targetDir, \Traversable $iterator = null, array $options = []) |
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{ |
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$targetDir = rtrim($targetDir, '/\\'); |
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$originDir = rtrim($originDir, '/\\'); |
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$originDirLen = \strlen($originDir); |
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|
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if (!$this->exists($originDir)) { |
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throw new IOException(sprintf('The origin directory specified "%s" was not found.', $originDir), 0, null, $originDir); |
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} |
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|
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// Iterate in destination folder to remove obsolete entries |
|
if ($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. |
|
* |
|
* @return bool |
|
*/ |
|
public function isAbsolutePath(string $file) |
|
{ |
|
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 = ''*/) |
|
{ |
|
$suffix = \func_num_args() > 2 ? func_get_arg(2) : ''; |
|
[$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, $filename); |
|
} |
|
} |
|
|
|
private function toIterable($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, $components[0]]; |
|
} |
|
|
|
/** |
|
* @param mixed ...$args |
|
* |
|
* @return mixed |
|
*/ |
|
private static function box(callable $func, ...$args) |
|
{ |
|
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; |
|
} |
|
}
|
|
|