Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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File.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation\File;
013
014 use Symfony\Component\HttpFoundation\File\Exception\FileException;
015 use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
016 use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser;
017 use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser;
018
019 /**
020 * A file in the file system.
021 *
022 * @author Bernhard Schussek <bschussek@gmail.com>
023 */
024 class File extends \SplFileInfo
025 {
026 /**
027 * Constructs a new file from the given path.
028 *
029 * @param string $path The path to the file
030 * @param bool $checkPath Whether to check the path or not
031 *
032 * @throws FileNotFoundException If the given path is not a file
033 */
034 public function __construct($path, $checkPath = true)
035 {
036 if ($checkPath && !is_file($path)) {
037 throw new FileNotFoundException($path);
038 }
039
040 parent::__construct($path);
041 }
042
043 /**
044 * Returns the extension based on the mime type.
045 *
046 * If the mime type is unknown, returns null.
047 *
048 * This method uses the mime type as guessed by getMimeType()
049 * to guess the file extension.
050 *
051 * @return string|null The guessed extension or null if it cannot be guessed
052 *
053 * @see ExtensionGuesser
054 * @see getMimeType()
055 */
056 public function guessExtension()
057 {
058 $type = $this->getMimeType();
059 $guesser = ExtensionGuesser::getInstance();
060
061 return $guesser->guess($type);
062 }
063
064 /**
065 * Returns the mime type of the file.
066 *
067 * The mime type is guessed using a MimeTypeGuesser instance, which uses finfo(),
068 * mime_content_type() and the system binary "file" (in this order), depending on
069 * which of those are available.
070 *
071 * @return string|null The guessed mime type (e.g. "application/pdf")
072 *
073 * @see MimeTypeGuesser
074 */
075 public function getMimeType()
076 {
077 $guesser = MimeTypeGuesser::getInstance();
078
079 return $guesser->guess($this->getPathname());
080 }
081
082 /**
083 * Moves the file to a new location.
084 *
085 * @param string $directory The destination folder
086 * @param string $name The new file name
087 *
088 * @return self A File object representing the new file
089 *
090 * @throws FileException if the target file could not be created
091 */
092 public function move($directory, $name = null)
093 {
094 $target = $this->getTargetFile($directory, $name);
095
096 set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; });
097 $renamed = rename($this->getPathname(), $target);
098 restore_error_handler();
099 if (!$renamed) {
100 throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s).', $this->getPathname(), $target, strip_tags($error)));
101 }
102
103 @chmod($target, 0666 & ~umask());
104
105 return $target;
106 }
107
108 protected function getTargetFile($directory, $name = null)
109 {
110 if (!is_dir($directory)) {
111 if (false === @mkdir($directory, 0777, true) && !is_dir($directory)) {
112 throw new FileException(sprintf('Unable to create the "%s" directory.', $directory));
113 }
114 } elseif (!is_writable($directory)) {
115 throw new FileException(sprintf('Unable to write in the "%s" directory.', $directory));
116 }
117
118 $target = rtrim($directory, '/\\').\DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));
119
120 return new self($target, false);
121 }
122
123 /**
124 * Returns locale independent base name of the given path.
125 *
126 * @param string $name The new file name
127 *
128 * @return string containing
129 */
130 protected function getName($name)
131 {
132 $originalName = str_replace('\\', '/', $name);
133 $pos = strrpos($originalName, '/');
134 $originalName = false === $pos ? $originalName : substr($originalName, $pos + 1);
135
136 return $originalName;
137 }
138 }
139