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152 lines
4.5 KiB
152 lines
4.5 KiB
<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\HttpFoundation\File; |
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use Symfony\Component\HttpFoundation\File\Exception\FileException; |
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use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException; |
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use Symfony\Component\Mime\MimeTypes; |
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/** |
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* A file in the file system. |
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* |
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* @author Bernhard Schussek <bschussek@gmail.com> |
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*/ |
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class File extends \SplFileInfo |
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{ |
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/** |
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* Constructs a new file from the given path. |
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* |
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* @param string $path The path to the file |
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* @param bool $checkPath Whether to check the path or not |
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* |
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* @throws FileNotFoundException If the given path is not a file |
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*/ |
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public function __construct(string $path, bool $checkPath = true) |
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{ |
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if ($checkPath && !is_file($path)) { |
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throw new FileNotFoundException($path); |
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} |
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parent::__construct($path); |
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} |
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/** |
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* Returns the extension based on the mime type. |
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* |
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* If the mime type is unknown, returns null. |
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* |
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* This method uses the mime type as guessed by getMimeType() |
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* to guess the file extension. |
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* |
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* @return string|null |
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* |
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* @see MimeTypes |
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* @see getMimeType() |
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*/ |
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public function guessExtension() |
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{ |
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if (!class_exists(MimeTypes::class)) { |
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throw new \LogicException('You cannot guess the extension as the Mime component is not installed. Try running "composer require symfony/mime".'); |
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} |
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return MimeTypes::getDefault()->getExtensions($this->getMimeType())[0] ?? null; |
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} |
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/** |
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* Returns the mime type of the file. |
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* |
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* The mime type is guessed using a MimeTypeGuesserInterface instance, |
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* which uses finfo_file() then the "file" system binary, |
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* depending on which of those are available. |
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* |
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* @return string|null |
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* |
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* @see MimeTypes |
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*/ |
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public function getMimeType() |
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{ |
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if (!class_exists(MimeTypes::class)) { |
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throw new \LogicException('You cannot guess the mime type as the Mime component is not installed. Try running "composer require symfony/mime".'); |
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} |
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return MimeTypes::getDefault()->guessMimeType($this->getPathname()); |
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} |
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/** |
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* Moves the file to a new location. |
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* |
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* @return self |
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* |
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* @throws FileException if the target file could not be created |
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*/ |
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public function move(string $directory, string $name = null) |
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{ |
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$target = $this->getTargetFile($directory, $name); |
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set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; }); |
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try { |
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$renamed = rename($this->getPathname(), $target); |
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} finally { |
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restore_error_handler(); |
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} |
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if (!$renamed) { |
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throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s).', $this->getPathname(), $target, strip_tags($error))); |
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} |
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@chmod($target, 0666 & ~umask()); |
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return $target; |
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} |
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public function getContent(): string |
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{ |
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$content = file_get_contents($this->getPathname()); |
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if (false === $content) { |
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throw new FileException(sprintf('Could not get the content of the file "%s".', $this->getPathname())); |
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} |
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return $content; |
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} |
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/** |
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* @return self |
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*/ |
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protected function getTargetFile(string $directory, string $name = null) |
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{ |
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if (!is_dir($directory)) { |
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if (false === @mkdir($directory, 0777, true) && !is_dir($directory)) { |
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throw new FileException(sprintf('Unable to create the "%s" directory.', $directory)); |
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} |
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} elseif (!is_writable($directory)) { |
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throw new FileException(sprintf('Unable to write in the "%s" directory.', $directory)); |
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} |
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$target = rtrim($directory, '/\\').\DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name)); |
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return new self($target, false); |
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} |
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/** |
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* Returns locale independent base name of the given path. |
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* |
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* @return string |
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*/ |
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protected function getName(string $name) |
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{ |
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$originalName = str_replace('\\', '/', $name); |
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$pos = strrpos($originalName, '/'); |
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$originalName = false === $pos ? $originalName : substr($originalName, $pos + 1); |
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return $originalName; |
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} |
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}
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