Exception
4 years ago
MimeType
4 years ago
File.php
4 years ago
Stream.php
4 years ago
UploadedFile.php
4 years ago
File.php
139 lines
| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of the Symfony package. |
| 5 | * |
| 6 | * (c) Fabien Potencier <fabien@symfony.com> |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Symfony\Component\HttpFoundation\File; |
| 13 | |
| 14 | use Symfony\Component\HttpFoundation\File\Exception\FileException; |
| 15 | use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException; |
| 16 | use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser; |
| 17 | use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser; |
| 18 | |
| 19 | /** |
| 20 | * A file in the file system. |
| 21 | * |
| 22 | * @author Bernhard Schussek <bschussek@gmail.com> |
| 23 | */ |
| 24 | class File extends \SplFileInfo |
| 25 | { |
| 26 | /** |
| 27 | * Constructs a new file from the given path. |
| 28 | * |
| 29 | * @param string $path The path to the file |
| 30 | * @param bool $checkPath Whether to check the path or not |
| 31 | * |
| 32 | * @throws FileNotFoundException If the given path is not a file |
| 33 | */ |
| 34 | public function __construct($path, $checkPath = true) |
| 35 | { |
| 36 | if ($checkPath && !is_file($path)) { |
| 37 | throw new FileNotFoundException($path); |
| 38 | } |
| 39 | |
| 40 | parent::__construct($path); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Returns the extension based on the mime type. |
| 45 | * |
| 46 | * If the mime type is unknown, returns null. |
| 47 | * |
| 48 | * This method uses the mime type as guessed by getMimeType() |
| 49 | * to guess the file extension. |
| 50 | * |
| 51 | * @return string|null The guessed extension or null if it cannot be guessed |
| 52 | * |
| 53 | * @see ExtensionGuesser |
| 54 | * @see getMimeType() |
| 55 | */ |
| 56 | public function guessExtension() |
| 57 | { |
| 58 | $type = $this->getMimeType(); |
| 59 | $guesser = ExtensionGuesser::getInstance(); |
| 60 | |
| 61 | return $guesser->guess($type); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns the mime type of the file. |
| 66 | * |
| 67 | * The mime type is guessed using a MimeTypeGuesser instance, which uses finfo(), |
| 68 | * mime_content_type() and the system binary "file" (in this order), depending on |
| 69 | * which of those are available. |
| 70 | * |
| 71 | * @return string|null The guessed mime type (e.g. "application/pdf") |
| 72 | * |
| 73 | * @see MimeTypeGuesser |
| 74 | */ |
| 75 | public function getMimeType() |
| 76 | { |
| 77 | $guesser = MimeTypeGuesser::getInstance(); |
| 78 | |
| 79 | return $guesser->guess($this->getPathname()); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Moves the file to a new location. |
| 84 | * |
| 85 | * @param string $directory The destination folder |
| 86 | * @param string $name The new file name |
| 87 | * |
| 88 | * @return self A File object representing the new file |
| 89 | * |
| 90 | * @throws FileException if the target file could not be created |
| 91 | */ |
| 92 | public function move($directory, $name = null) |
| 93 | { |
| 94 | $target = $this->getTargetFile($directory, $name); |
| 95 | |
| 96 | set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; }); |
| 97 | $renamed = rename($this->getPathname(), $target); |
| 98 | restore_error_handler(); |
| 99 | if (!$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 |