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[yaffs-website] / vendor / symfony / http-foundation / File / MimeType / FileinfoMimeTypeGuesser.php

diff --git a/vendor/symfony/http-foundation/File/MimeType/FileinfoMimeTypeGuesser.php b/vendor/symfony/http-foundation/File/MimeType/FileinfoMimeTypeGuesser.php
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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 $magicFile A magic file to use with the finfo instance
+     *
+     * @see http://www.php.net/manual/en/function.finfo-open.php
+     */
+    public function __construct($magicFile = null)
+    {
+        $this->magicFile = $magicFile;
+    }
+
+    /**
+     * Returns whether this guesser is supported on the current OS/PHP setup.
+     *
+     * @return bool
+     */
+    public static function isSupported()
+    {
+        return function_exists('finfo_open');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function guess($path)
+    {
+        if (!is_file($path)) {
+            throw new FileNotFoundException($path);
+        }
+
+        if (!is_readable($path)) {
+            throw new AccessDeniedException($path);
+        }
+
+        if (!self::isSupported()) {
+            return;
+        }
+
+        if (!$finfo = new \finfo(FILEINFO_MIME_TYPE, $this->magicFile)) {
+            return;
+        }
+
+        return $finfo->file($path);
+    }
+}