/usr/share/php/Nette/Utils/FileSystem.php is in php-nette 2.4-20160731-1.
This file is owned by root:root, with mode 0o644.
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/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
namespace Nette\Utils;
use Nette;
/**
* File system tool.
*/
class FileSystem
{
use Nette\StaticClass;
/**
* Creates a directory.
* @return void
* @throws Nette\IOException
*/
public static function createDir($dir, $mode = 0777)
{
if (!is_dir($dir) && !@mkdir($dir, $mode, TRUE)) { // intentionally @; not atomic
throw new Nette\IOException("Unable to create directory '$dir'.");
}
}
/**
* Copies a file or directory.
* @return void
* @throws Nette\IOException
*/
public static function copy($source, $dest, $overwrite = TRUE)
{
if (stream_is_local($source) && !file_exists($source)) {
throw new Nette\IOException("File or directory '$source' not found.");
} elseif (!$overwrite && file_exists($dest)) {
throw new Nette\InvalidStateException("File or directory '$dest' already exists.");
} elseif (is_dir($source)) {
static::createDir($dest);
foreach (new \FilesystemIterator($dest) as $item) {
static::delete($item->getPathname());
}
foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($source, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
if ($item->isDir()) {
static::createDir($dest . '/' . $iterator->getSubPathName());
} else {
static::copy($item->getPathname(), $dest . '/' . $iterator->getSubPathName());
}
}
} else {
static::createDir(dirname($dest));
if (@stream_copy_to_stream(fopen($source, 'r'), fopen($dest, 'w')) === FALSE) { // @ is escalated to exception
throw new Nette\IOException("Unable to copy file '$source' to '$dest'.");
}
}
}
/**
* Deletes a file or directory.
* @return void
* @throws Nette\IOException
*/
public static function delete($path)
{
if (is_file($path) || is_link($path)) {
$func = DIRECTORY_SEPARATOR === '\\' && is_dir($path) ? 'rmdir' : 'unlink';
if (!@$func($path)) { // @ is escalated to exception
throw new Nette\IOException("Unable to delete '$path'.");
}
} elseif (is_dir($path)) {
foreach (new \FilesystemIterator($path) as $item) {
static::delete($item->getPathname());
}
if (!@rmdir($path)) { // @ is escalated to exception
throw new Nette\IOException("Unable to delete directory '$path'.");
}
}
}
/**
* Renames a file or directory.
* @return void
* @throws Nette\IOException
* @throws Nette\InvalidStateException if the target file or directory already exist
*/
public static function rename($name, $newName, $overwrite = TRUE)
{
if (!$overwrite && file_exists($newName)) {
throw new Nette\InvalidStateException("File or directory '$newName' already exists.");
} elseif (!file_exists($name)) {
throw new Nette\IOException("File or directory '$name' not found.");
} else {
static::createDir(dirname($newName));
static::delete($newName);
if (!@rename($name, $newName)) { // @ is escalated to exception
throw new Nette\IOException("Unable to rename file or directory '$name' to '$newName'.");
}
}
}
/**
* Reads file content.
* @return string
* @throws Nette\IOException
*/
public static function read($file)
{
$content = @file_get_contents($file); // @ is escalated to exception
if ($content === FALSE) {
throw new Nette\IOException("Unable to read file '$file'.");
}
return $content;
}
/**
* Writes a string to a file.
* @return void
* @throws Nette\IOException
*/
public static function write($file, $content, $mode = 0666)
{
static::createDir(dirname($file));
if (@file_put_contents($file, $content) === FALSE) { // @ is escalated to exception
throw new Nette\IOException("Unable to write file '$file'.");
}
if ($mode !== NULL && !@chmod($file, $mode)) { // @ is escalated to exception
throw new Nette\IOException("Unable to chmod file '$file'.");
}
}
/**
* Is path absolute?
* @return bool
*/
public static function isAbsolute($path)
{
return (bool) preg_match('#([a-z]:)?[/\\\\]|[a-z][a-z0-9+.-]*://#Ai', $path);
}
}
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