/usr/share/php/Symfony/Component/Config/FileLocator.php is in php-symfony-config 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* 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\Config;
/**
* FileLocator uses an array of pre-defined paths to find files.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class FileLocator implements FileLocatorInterface
{
protected $paths;
/**
* Constructor.
*
* @param string|array $paths A path or an array of paths where to look for resources
*/
public function __construct($paths = array())
{
$this->paths = (array) $paths;
}
/**
* {@inheritdoc}
*/
public function locate($name, $currentPath = null, $first = true)
{
if ('' == $name) {
throw new \InvalidArgumentException('An empty file name is not valid to be located.');
}
if ($this->isAbsolutePath($name)) {
if (!file_exists($name)) {
throw new \InvalidArgumentException(sprintf('The file "%s" does not exist.', $name));
}
return $name;
}
$paths = $this->paths;
if (null !== $currentPath) {
array_unshift($paths, $currentPath);
}
$paths = array_unique($paths);
$filepaths = array();
foreach ($paths as $path) {
if (file_exists($file = $path.DIRECTORY_SEPARATOR.$name)) {
if (true === $first) {
return $file;
}
$filepaths[] = $file;
}
}
if (!$filepaths) {
throw new \InvalidArgumentException(sprintf('The file "%s" does not exist (in: %s).', $name, implode(', ', $paths)));
}
return $filepaths;
}
/**
* Returns whether the file path is an absolute path.
*
* @param string $file A file path
*
* @return bool
*/
private function isAbsolutePath($file)
{
if ($file[0] === '/' || $file[0] === '\\'
|| (strlen($file) > 3 && ctype_alpha($file[0])
&& $file[1] === ':'
&& ($file[2] === '\\' || $file[2] === '/')
)
|| null !== parse_url($file, PHP_URL_SCHEME)
) {
return true;
}
return false;
}
}
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