Subversion Repositories php-qbpwcf

<?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;

use Symfony\Component\HttpFoundation\File\Exception\FileException;

use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;

use Symfony\Component\Mime\MimeTypes;

/**

 * A file in the file system.

 *

 * @author Bernhard Schussek <bschussek@gmail.com>

 */

class File extends \SplFileInfo

{

    /**

     * Constructs a new file from the given path.

     *

     * @param string $path      The path to the file

     * @param bool   $checkPath Whether to check the path or not

     *

     * @throws FileNotFoundException If the given path is not a file

     */

    public function __construct(string $path, bool $checkPath = true)

    {

        if ($checkPath && !is_file($path)) {

            throw new FileNotFoundException($path);

        }

        parent::__construct($path);

    }

    /**

     * Returns the extension based on the mime type.

     *

     * If the mime type is unknown, returns null.

     *

     * This method uses the mime type as guessed by getMimeType()

     * to guess the file extension.

     *

     * @return string|null The guessed extension or null if it cannot be guessed

     *

     * @see MimeTypes

     * @see getMimeType()

     */

    public function guessExtension()

    {

        if (!class_exists(MimeTypes::class)) {

            throw new \LogicException('You cannot guess the extension as the Mime component is not installed. Try running "composer require symfony/mime".');

        }

        return MimeTypes::getDefault()->getExtensions($this->getMimeType())[0] ?? null;

    }

    /**

     * Returns the mime type of the file.

     *

     * The mime type is guessed using a MimeTypeGuesserInterface instance,

     * which uses finfo_file() then the "file" system binary,

     * depending on which of those are available.

     *

     * @return string|null The guessed mime type (e.g. "application/pdf")

     *

     * @see MimeTypes

     */

    public function getMimeType()

    {

        if (!class_exists(MimeTypes::class)) {

            throw new \LogicException('You cannot guess the mime type as the Mime component is not installed. Try running "composer require symfony/mime".');

        }

        return MimeTypes::getDefault()->guessMimeType($this->getPathname());

    }

    /**

     * Moves the file to a new location.

     *

     * @return self A File object representing the new file

     *

     * @throws FileException if the target file could not be created

     */

    public function move(string $directory, string $name = null)

    {

        $target = $this->getTargetFile($directory, $name);

        set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; });

        $renamed = rename($this->getPathname(), $target);

        restore_error_handler();

        if (!$renamed) {

            throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s).', $this->getPathname(), $target, strip_tags($error)));

        }

        @chmod($target, 0666 & ~umask());

        return $target;

    }

    /**

     * @return self

     */

    protected function getTargetFile(string $directory, string $name = null)

    {

        if (!is_dir($directory)) {

            if (false === @mkdir($directory, 0777, true) && !is_dir($directory)) {

                throw new FileException(sprintf('Unable to create the "%s" directory.', $directory));

            }

        } elseif (!is_writable($directory)) {

            throw new FileException(sprintf('Unable to write in the "%s" directory.', $directory));

        }

        $target = rtrim($directory, '/\\').\DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));

        return new self($target, false);

    }

    /**

     * Returns locale independent base name of the given path.

     *

     * @return string

     */

    protected function getName(string $name)

    {

        $originalName = str_replace('\\', '/', $name);

        $pos = strrpos($originalName, '/');

        $originalName = false === $pos ? $originalName : substr($originalName, $pos + 1);

        return $originalName;

    }

}