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- <?php
- namespace Symfony\Component\Filesystem;
- use Symfony\Component\Filesystem\Exception\IOException;
- use Symfony\Component\Filesystem\Exception\FileNotFoundException;
- class Filesystem
- {
-
- public function copy($originFile, $targetFile, $overwriteNewerFiles = false)
- {
- if (stream_is_local($originFile) && !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) {
-
- if (false === $source = @fopen($originFile, 'r')) {
- throw new IOException(sprintf('Failed to copy "%s" to "%s" because source file could not be opened for reading.', $originFile, $targetFile), 0, null, $originFile);
- }
-
- if (false === $target = @fopen($targetFile, 'w', null, stream_context_create(array('ftp' => array('overwrite' => true))))) {
- throw new IOException(sprintf('Failed to copy "%s" to "%s" because target file could not be opened for writing.', $originFile, $targetFile), 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, $originFile);
- }
-
- @chmod($targetFile, fileperms($targetFile) | (fileperms($originFile) & 0111));
- if (stream_is_local($originFile) && $bytesCopied !== ($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, $originFile);
- }
- }
- }
-
- public function mkdir($dirs, $mode = 0777)
- {
- foreach ($this->toIterator($dirs) as $dir) {
- if (is_dir($dir)) {
- continue;
- }
- if (true !== @mkdir($dir, $mode, true)) {
- $error = error_get_last();
- if (!is_dir($dir)) {
-
- if ($error) {
- throw new IOException(sprintf('Failed to create "%s": %s.', $dir, $error['message']), 0, null, $dir);
- }
- throw new IOException(sprintf('Failed to create "%s"', $dir), 0, null, $dir);
- }
- }
- }
- }
-
- public function exists($files)
- {
- foreach ($this->toIterator($files) as $file) {
- if ('\\' === DIRECTORY_SEPARATOR && strlen($file) > 258) {
- throw new IOException('Could not check if file exist because path length exceeds 258 characters.', 0, null, $file);
- }
- if (!file_exists($file)) {
- return false;
- }
- }
- return true;
- }
-
- public function touch($files, $time = null, $atime = null)
- {
- foreach ($this->toIterator($files) as $file) {
- $touch = $time ? @touch($file, $time, $atime) : @touch($file);
- if (true !== $touch) {
- throw new IOException(sprintf('Failed to touch "%s".', $file), 0, null, $file);
- }
- }
- }
-
- public function remove($files)
- {
- if ($files instanceof \Traversable) {
- $files = iterator_to_array($files, false);
- } elseif (!is_array($files)) {
- $files = array($files);
- }
- $files = array_reverse($files);
- foreach ($files as $file) {
- if (is_link($file)) {
-
- if (!@(unlink($file) || '\\' !== DIRECTORY_SEPARATOR || rmdir($file)) && file_exists($file)) {
- $error = error_get_last();
- throw new IOException(sprintf('Failed to remove symlink "%s": %s.', $file, $error['message']));
- }
- } elseif (is_dir($file)) {
- $this->remove(new \FilesystemIterator($file, \FilesystemIterator::CURRENT_AS_PATHNAME | \FilesystemIterator::SKIP_DOTS));
- if (!@rmdir($file) && file_exists($file)) {
- $error = error_get_last();
- throw new IOException(sprintf('Failed to remove directory "%s": %s.', $file, $error['message']));
- }
- } elseif (!@unlink($file) && file_exists($file)) {
- $error = error_get_last();
- throw new IOException(sprintf('Failed to remove file "%s": %s.', $file, $error['message']));
- }
- }
- }
-
- public function chmod($files, $mode, $umask = 0000, $recursive = false)
- {
- foreach ($this->toIterator($files) as $file) {
- if (true !== @chmod($file, $mode & ~$umask)) {
- throw new IOException(sprintf('Failed to chmod file "%s".', $file), 0, null, $file);
- }
- if ($recursive && is_dir($file) && !is_link($file)) {
- $this->chmod(new \FilesystemIterator($file), $mode, $umask, true);
- }
- }
- }
-
- public function chown($files, $user, $recursive = false)
- {
- foreach ($this->toIterator($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 (true !== @lchown($file, $user)) {
- throw new IOException(sprintf('Failed to chown file "%s".', $file), 0, null, $file);
- }
- } else {
- if (true !== @chown($file, $user)) {
- throw new IOException(sprintf('Failed to chown file "%s".', $file), 0, null, $file);
- }
- }
- }
- }
-
- public function chgrp($files, $group, $recursive = false)
- {
- foreach ($this->toIterator($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 (true !== @lchgrp($file, $group) || (defined('HHVM_VERSION') && !posix_getgrnam($group))) {
- throw new IOException(sprintf('Failed to chgrp file "%s".', $file), 0, null, $file);
- }
- } else {
- if (true !== @chgrp($file, $group)) {
- throw new IOException(sprintf('Failed to chgrp file "%s".', $file), 0, null, $file);
- }
- }
- }
- }
-
- public function rename($origin, $target, $overwrite = false)
- {
-
- if (!$overwrite && $this->isReadable($target)) {
- throw new IOException(sprintf('Cannot rename because the target "%s" already exists.', $target), 0, null, $target);
- }
- if (true !== @rename($origin, $target)) {
- throw new IOException(sprintf('Cannot rename "%s" to "%s".', $origin, $target), 0, null, $target);
- }
- }
-
- private function isReadable($filename)
- {
- if ('\\' === DIRECTORY_SEPARATOR && strlen($filename) > 258) {
- throw new IOException('Could not check if file is readable because path length exceeds 258 characters.', 0, null, $filename);
- }
- return is_readable($filename);
- }
-
- public function symlink($originDir, $targetDir, $copyOnWindows = false)
- {
- if ('\\' === DIRECTORY_SEPARATOR) {
- $originDir = strtr($originDir, '/', '\\');
- $targetDir = strtr($targetDir, '/', '\\');
- if ($copyOnWindows) {
- $this->mirror($originDir, $targetDir);
- return;
- }
- }
- $this->mkdir(dirname($targetDir));
- $ok = false;
- if (is_link($targetDir)) {
- if (readlink($targetDir) != $originDir) {
- $this->remove($targetDir);
- } else {
- $ok = true;
- }
- }
- if (!$ok && true !== @symlink($originDir, $targetDir)) {
- $report = error_get_last();
- if (is_array($report)) {
- if ('\\' === DIRECTORY_SEPARATOR && false !== strpos($report['message'], 'error code(1314)')) {
- throw new IOException('Unable to create symlink due to error code 1314: \'A required privilege is not held by the client\'. Do you have the required Administrator-rights?', 0, null, $targetDir);
- }
- }
- throw new IOException(sprintf('Failed to create symbolic link from "%s" to "%s".', $originDir, $targetDir), 0, null, $targetDir);
- }
- }
-
- public function makePathRelative($endPath, $startPath)
- {
-
- if ('\\' === DIRECTORY_SEPARATOR) {
- $endPath = str_replace('\\', '/', $endPath);
- $startPath = str_replace('\\', '/', $startPath);
- }
-
- $startPathArr = explode('/', trim($startPath, '/'));
- $endPathArr = explode('/', trim($endPath, '/'));
-
- $index = 0;
- while (isset($startPathArr[$index]) && isset($endPathArr[$index]) && $startPathArr[$index] === $endPathArr[$index]) {
- ++$index;
- }
-
- $depth = count($startPathArr) - $index;
-
- if ('/' === $startPath[0] && 0 === $index && 1 === $depth) {
- $traverser = '';
- } else {
-
- $traverser = str_repeat('../', $depth);
- }
- $endPathRemainder = implode('/', array_slice($endPathArr, $index));
-
- $relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.'/' : '');
- return '' === $relativePath ? './' : $relativePath;
- }
-
- public function mirror($originDir, $targetDir, \Traversable $iterator = null, $options = array())
- {
- $targetDir = rtrim($targetDir, '/\\');
- $originDir = rtrim($originDir, '/\\');
-
- if ($this->exists($targetDir) && isset($options['delete']) && $options['delete']) {
- $deleteIterator = $iterator;
- if (null === $deleteIterator) {
- $flags = \FilesystemIterator::SKIP_DOTS;
- $deleteIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($targetDir, $flags), \RecursiveIteratorIterator::CHILD_FIRST);
- }
- foreach ($deleteIterator as $file) {
- $origin = str_replace($targetDir, $originDir, $file->getPathname());
- if (!$this->exists($origin)) {
- $this->remove($file);
- }
- }
- }
- $copyOnWindows = false;
- if (isset($options['copy_on_windows'])) {
- $copyOnWindows = $options['copy_on_windows'];
- }
- if (null === $iterator) {
- $flags = $copyOnWindows ? \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS : \FilesystemIterator::SKIP_DOTS;
- $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($originDir, $flags), \RecursiveIteratorIterator::SELF_FIRST);
- }
- if ($this->exists($originDir)) {
- $this->mkdir($targetDir);
- }
- foreach ($iterator as $file) {
- $target = str_replace($originDir, $targetDir, $file->getPathname());
- if ($copyOnWindows) {
- if (is_file($file)) {
- $this->copy($file, $target, isset($options['override']) ? $options['override'] : false);
- } elseif (is_dir($file)) {
- $this->mkdir($target);
- } else {
- throw new IOException(sprintf('Unable to guess "%s" file type.', $file), 0, null, $file);
- }
- } else {
- if (is_link($file)) {
- $this->symlink($file->getLinkTarget(), $target);
- } elseif (is_dir($file)) {
- $this->mkdir($target);
- } elseif (is_file($file)) {
- $this->copy($file, $target, isset($options['override']) ? $options['override'] : false);
- } else {
- throw new IOException(sprintf('Unable to guess "%s" file type.', $file), 0, null, $file);
- }
- }
- }
- }
-
- public function isAbsolutePath($file)
- {
- return strspn($file, '/\\', 0, 1)
- || (strlen($file) > 3 && ctype_alpha($file[0])
- && substr($file, 1, 1) === ':'
- && strspn($file, '/\\', 2, 1)
- )
- || null !== parse_url($file, PHP_URL_SCHEME)
- ;
- }
-
- public function tempnam($dir, $prefix)
- {
- list($scheme, $hierarchy) = $this->getSchemeAndHierarchy($dir);
-
- if (null === $scheme || 'file' === $scheme || 'gs' === $scheme) {
- $tmpFile = @tempnam($hierarchy, $prefix);
-
- if (false !== $tmpFile) {
- if (null !== $scheme && 'gs' !== $scheme) {
- return $scheme.'://'.$tmpFile;
- }
- return $tmpFile;
- }
- throw new IOException('A temporary file could not be created.');
- }
-
- for ($i = 0; $i < 10; ++$i) {
-
- $tmpFile = $dir.'/'.$prefix.uniqid(mt_rand(), true);
-
-
- $handle = @fopen($tmpFile, 'x+');
-
- if (false === $handle) {
- continue;
- }
-
- @fclose($handle);
- return $tmpFile;
- }
- throw new IOException('A temporary file could not be created.');
- }
-
- public function dumpFile($filename, $content)
- {
- $dir = dirname($filename);
- if (!is_dir($dir)) {
- $this->mkdir($dir);
- } elseif (!is_writable($dir)) {
- throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
- }
-
-
- $tmpFile = $this->tempnam($dir, basename($filename));
- if (false === @file_put_contents($tmpFile, $content)) {
- throw new IOException(sprintf('Failed to write file "%s".', $filename), 0, null, $filename);
- }
-
- @chmod($tmpFile, 0666);
- $this->rename($tmpFile, $filename, true);
- }
-
- private function toIterator($files)
- {
- if (!$files instanceof \Traversable) {
- $files = new \ArrayObject(is_array($files) ? $files : array($files));
- }
- return $files;
- }
-
- private function getSchemeAndHierarchy($filename)
- {
- $components = explode('://', $filename, 2);
- return 2 === count($components) ? array($components[0], $components[1]) : array(null, $components[0]);
- }
- }
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