Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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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\MimeTypeGuesser;
017 use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser;
018
019 /**
020 * A file in the file system.
021 *
022 * @author Bernhard Schussek <bschussek@gmail.com>
023 *
024 * @api
025 */
026 class File extends \SplFileInfo
027 {
028 /**
029 * Constructs a new file from the given path.
030 *
031 * @param string $path The path to the file
032 * @param bool $checkPath Whether to check the path or not
033 *
034 * @throws FileNotFoundException If the given path is not a file
035 *
036 * @api
037 */
038 public function __construct($path, $checkPath = true)
039 {
040 if ($checkPath && !is_file($path)) {
041 throw new FileNotFoundException($path);
042 }
043
044 parent::__construct($path);
045 }
046
047 /**
048 * Returns the extension based on the mime type.
049 *
050 * If the mime type is unknown, returns null.
051 *
052 * This method uses the mime type as guessed by getMimeType()
053 * to guess the file extension.
054 *
055 * @return string|null The guessed extension or null if it cannot be guessed
056 *
057 * @api
058 *
059 * @see ExtensionGuesser
060 * @see getMimeType()
061 */
062 public function guessExtension()
063 {
064 $type = $this->getMimeType();
065 $guesser = ExtensionGuesser::getInstance();
066
067 return $guesser->guess($type);
068 }
069
070 /**
071 * Returns the mime type of the file.
072 *
073 * The mime type is guessed using a MimeTypeGuesser instance, which uses finfo(),
074 * mime_content_type() and the system binary "file" (in this order), depending on
075 * which of those are available.
076 *
077 * @return string|null The guessed mime type (i.e. "application/pdf")
078 *
079 * @see MimeTypeGuesser
080 *
081 * @api
082 */
083 public function getMimeType()
084 {
085 $guesser = MimeTypeGuesser::getInstance();
086
087 return $guesser->guess($this->getPathname());
088 }
089
090 /**
091 * Returns the extension of the file.
092 *
093 * \SplFileInfo::getExtension() is not available before PHP 5.3.6
094 *
095 * @return string The extension
096 *
097 * @api
098 */
099 public function getExtension()
100 {
101 return pathinfo($this->getBasename(), PATHINFO_EXTENSION);
102 }
103
104 /**
105 * Moves the file to a new location.
106 *
107 * @param string $directory The destination folder
108 * @param string $name The new file name
109 *
110 * @return File A File object representing the new file
111 *
112 * @throws FileException if the target file could not be created
113 *
114 * @api
115 */
116 public function move($directory, $name = null)
117 {
118 $target = $this->getTargetFile($directory, $name);
119
120 if (!@rename($this->getPathname(), $target)) {
121 $error = error_get_last();
122 throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s)', $this->getPathname(), $target, strip_tags($error['message'])));
123 }
124
125 @chmod($target, 0666 & ~umask());
126
127 return $target;
128 }
129
130 protected function getTargetFile($directory, $name = null)
131 {
132 if (!is_dir($directory)) {
133 if (false === @mkdir($directory, 0777, true)) {
134 throw new FileException(sprintf('Unable to create the "%s" directory', $directory));
135 }
136 } elseif (!is_writable($directory)) {
137 throw new FileException(sprintf('Unable to write in the "%s" directory', $directory));
138 }
139
140 $target = rtrim($directory, '/\\').DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));
141
142 return new File($target, false);
143 }
144
145 /**
146 * Returns locale independent base name of the given path.
147 *
148 * @param string $name The new file name
149 *
150 * @return string containing
151 */
152 protected function getName($name)
153 {
154 $originalName = str_replace('\\', '/', $name);
155 $pos = strrpos($originalName, '/');
156 $originalName = false === $pos ? $originalName : substr($originalName, $pos + 1);
157
158 return $originalName;
159 }
160 }
161