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📄 Address.php(3.63 KB)
📄 BodyRendererInterface.php(418 B)
📄 CHANGELOG.md(935 B)
📄 CharacterStream.php(9.15 KB)
📁 Crypto
📁 DependencyInjection
📄 DraftEmail.php(1.1 KB)
📄 Email.php(15.33 KB)
📁 Encoder
📁 Exception
📄 FileBinaryMimeTypeGuesser.php(2.4 KB)
📄 FileinfoMimeTypeGuesser.php(1.78 KB)
📁 Header
📁 HtmlToTextConverter
📄 LICENSE(1.04 KB)
📄 Message.php(4.59 KB)
📄 MessageConverter.php(5.03 KB)
📄 MimeTypeGuesserInterface.php(826 B)
📄 MimeTypes.php(183.32 KB)
📄 MimeTypesInterface.php(777 B)
📁 Part
📄 README.md(459 B)
📄 RawMessage.php(2.63 KB)
📁 Resources
📁 Test
📄 composer.json(1.49 KB)

Editing: FileBinaryMimeTypeGuesser.php

<?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\Mime;

use Symfony\Component\Mime\Exception\InvalidArgumentException;
use Symfony\Component\Mime\Exception\LogicException;

/**
 * Guesses the MIME type with the binary "file" (only available on *nix).
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class FileBinaryMimeTypeGuesser implements MimeTypeGuesserInterface
{
    private string $cmd;

/**
     * The $cmd pattern must contain a "%s" string that will be replaced
     * with the file name to guess.
     *
     * The command output must start with the MIME type of the file.
     *
     * @param string $cmd The command to run to get the MIME type of a file
     */
    public function __construct(string $cmd = 'file -b --mime -- %s 2>/dev/null')
    {
        $this->cmd = $cmd;
    }

public function isGuesserSupported(): bool
    {
        static $supported = null;

if (null !== $supported) {
            return $supported;
        }

if ('\\' === \DIRECTORY_SEPARATOR || !\function_exists('passthru') || !\function_exists('escapeshellarg')) {
            return $supported = false;
        }

ob_start();
        passthru('command -v file', $exitStatus);
        $binPath = trim(ob_get_clean());

return $supported = 0 === $exitStatus && '' !== $binPath;
    }

public function guessMimeType(string $path): ?string
    {
        if (!is_file($path) || !is_readable($path)) {
            throw new InvalidArgumentException(sprintf('The "%s" file does not exist or is not readable.', $path));
        }

if (!$this->isGuesserSupported()) {
            throw new LogicException(sprintf('The "%s" guesser is not supported.', __CLASS__));
        }

ob_start();

// need to use --mime instead of -i. see #6641
        passthru(sprintf($this->cmd, escapeshellarg((str_starts_with($path, '-') ? './' : '').$path)), $return);
        if ($return > 0) {
            ob_end_clean();

return null;
        }

$type = trim(ob_get_clean());

if (!preg_match('#^([a-z0-9\-]+/[a-z0-9\-\+\.]+)#i', $type, $match)) {
            // it's not a type, but an error message
            return null;
        }

return $match[1];
    }
}

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Editing: FileBinaryMimeTypeGuesser.php

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