<?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\HttpFoundation\File\MimeType;
use Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException;
use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
use Symfony\Component\Mime\FileinfoMimeTypeGuesser as NewFileinfoMimeTypeGuesser;
@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.3, use "%s" instead.', FileinfoMimeTypeGuesser::class, NewFileinfoMimeTypeGuesser::class), \E_USER_DEPRECATED);
/**
* Guesses the mime type using the PECL extension FileInfo.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @deprecated since Symfony 4.3, use {@link NewFileinfoMimeTypeGuesser} instead
*/
class FileinfoMimeTypeGuesser implements MimeTypeGuesserInterface
{
private $magicFile;
/**
* @param string $magicFile A magic file to use with the finfo instance
*
* @see https://php.net/finfo-open
*/
public function __construct(string $magicFile = null)
{
$this->magicFile = $magicFile;
}
/**
* Returns whether this guesser is supported on the current OS/PHP setup.
*
* @return bool
*/
public static function isSupported()
{
return \function_exists('finfo_open');
}
/**
* {@inheritdoc}
*/
public function guess($path)
{
if (!is_file($path)) {
throw new FileNotFoundException($path);
}
if (!is_readable($path)) {
throw new AccessDeniedException($path);
}
if (!self::isSupported()) {
return null;
}
if (!$finfo = new \finfo(\FILEINFO_MIME_TYPE, $this->magicFile)) {
return null;
}
$mimeType = $finfo->file($path);
if ($mimeType && 0 === (\strlen($mimeType) % 2)) {
$mimeStart = substr($mimeType, 0, \strlen($mimeType) >> 1);
$mimeType = $mimeStart.$mimeStart === $mimeType ? $mimeStart : $mimeType;
}
return $mimeType;
}
}