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