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<?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\FileNotFoundException; use Symfony\Component\HttpFoundation\File\Exception\AccessDeniedException; /** * Guesses the mime type using the PECL extension FileInfo. * * @author Bernhard Schussek <bschussek@gmail.com> */ class FileinfoMimeTypeGuesser implements MimeTypeGuesserInterface { private $magicFile; /** * Constructor. * * @param string $magicFile A magic file to use with the finfo instance * * @link http://www.php.net/manual/en/function.finfo-open.php */ public function __construct($magicFile = null) { $this->magicFile = $magicFile; } /** * Returns whether this guesser is supported on the current OS/PHP setup * * @return Boolean */ public static function isSupported() { return function_exists('finfo_open'); } /** * {@inheritdoc} */ public function guess($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; } return $finfo->file($path); } }