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<?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\HttpFoundation\File\MimeType\ExtensionGuesser;
/**
* A file uploaded through a form.
*
* @author Bernhard Schussek <bschussek@gmail.com>
* @author Florian Eckerstorfer <florian@eckerstorfer.org>
* @author Fabien Potencier <fabien@symfony.com>
*
* @api
*/
class UploadedFile extends File
{
/**
* Whether the test mode is activated.
*
* Local files are used in test mode hence the code should not enforce HTTP uploads.
*
* @var Boolean
*/
private $test = false;
/**
* The original name of the uploaded file.
*
* @var string
*/
private $originalName;
/**
* The mime type provided by the uploader.
*
* @var string
*/
private $mimeType;
/**
* The file size provided by the uploader.
*
* @var string
*/
private $size;
/**
* The UPLOAD_ERR_XXX constant provided by the uploader.
*
* @var integer
*/
private $error;
/**
* Accepts the information of the uploaded file as provided by the PHP global $_FILES.
*
* The file object is only created when the uploaded file is valid (i.e. when the
* isValid() method returns true). Otherwise the only methods that could be called
* on an UploadedFile instance are:
*
* * getClientOriginalName,
* * getClientMimeType,
* * isValid,
* * getError.
*
* Calling any other method on an non-valid instance will cause an unpredictable result.
*
* @param string $path The full temporary path to the file
* @param string $originalName The original file name
* @param string $mimeType The type of the file as provided by PHP
* @param integer $size The file size
* @param integer $error The error constant of the upload (one of PHP's UPLOAD_ERR_XXX constants)
* @param Boolean $test Whether the test mode is active
*
* @throws FileException If file_uploads is disabled
* @throws FileNotFoundException If the file does not exist
*
* @api
*/
public function __construct($path, $originalName, $mimeType = null, $size = null, $error = null, $test = false)
{
$this->originalName = $this->getName($originalName);
$this->mimeType = $mimeType ?: 'application/octet-stream';
$this->size = $size;
$this->error = $error ?: UPLOAD_ERR_OK;
$this->test = (Boolean) $test;
parent::__construct($path, UPLOAD_ERR_OK === $this->error);
}
/**
* Returns the original file name.
*
* It is extracted from the request from which the file has been uploaded.
* Then it should not be considered as a safe value.
*
* @return string|null The original name
*
* @api
*/
public function getClientOriginalName()
{
return $this->originalName;
}
/**
* Returns the original file extension
*
* It is extracted from the original file name that was uploaded.
* Then it should not be considered as a safe value.
*
* @return string The extension
*/
public function getClientOriginalExtension()
{
return pathinfo($this->originalName, PATHINFO_EXTENSION);
}
/**
* Returns the file mime type.
*
* The client mime type is extracted from the request from which the file
* was uploaded, so it should not be considered as a safe value.
*
* For a trusted mime type, use getMimeType() instead (which guesses the mime
* type based on the file content).
*
* @return string|null The mime type
*
* @see getMimeType
*
* @api
*/
public function getClientMimeType()
{
return $this->mimeType;
}
/**
* Returns the extension based on the client mime type.
*
* If the mime type is unknown, returns null.
*
* This method uses the mime type as guessed by getClientMimeType()
* to guess the file extension. As such, the extension returned
* by this method cannot be trusted.
*
* For a trusted extension, use guessExtension() instead (which guesses
* the extension based on the guessed mime type for the file).
*
* @return string|null The guessed extension or null if it cannot be guessed
*
* @see guessExtension()
* @see getClientMimeType()
*/
public function guessClientExtension()
{
$type = $this->getClientMimeType();
$guesser = ExtensionGuesser::getInstance();
return $guesser->guess($type);
}
/**
* Returns the file size.
*
* It is extracted from the request from which the file has been uploaded.
* Then it should not be considered as a safe value.
*
* @return integer|null The file size
*
* @api
*/
public function getClientSize()
{
return $this->size;
}
/**
* Returns the upload error.
*
* If the upload was successful, the constant UPLOAD_ERR_OK is returned.
* Otherwise one of the other UPLOAD_ERR_XXX constants is returned.
*
* @return integer The upload error
*
* @api
*/
public function getError()
{
return $this->error;
}
/**
* Returns whether the file was uploaded successfully.
*
* @return Boolean True if the file has been uploaded with HTTP and no error occurred.
*
* @api
*/
public function isValid()
{
$isOk = $this->error === UPLOAD_ERR_OK;
return $this->test ? $isOk : $isOk && is_uploaded_file($this->getPathname());
}
/**
* Moves the file to a new location.
*
* @param string $directory The destination folder
* @param string $name The new file name
*
* @return File A File object representing the new file
*
* @throws FileException if, for any reason, the file could not have been moved
*
* @api
*/
public function move($directory, $name = null)
{
if ($this->isValid()) {
if ($this->test) {
return parent::move($directory, $name);
}
$target = $this->getTargetFile($directory, $name);
if (!@move_uploaded_file($this->getPathname(), $target)) {
$error = error_get_last();
throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s)', $this->getPathname(), $target, strip_tags($error['message'])));
}
@chmod($target, 0666 & ~umask());
return $target;
}
throw new FileException($this->getErrorMessage());
}
/**
* Returns the maximum size of an uploaded file as configured in php.ini
*
* @return int The maximum size of an uploaded file in bytes
*/
public static function getMaxFilesize()
{
$iniMax = strtolower(ini_get('upload_max_filesize'));
if ('' === $iniMax) {
return PHP_INT_MAX;
}
$max = ltrim($iniMax, '+');
if (0 === strpos($max, '0x')) {
$max = intval($max, 16);
} elseif (0 === strpos($max, '0')) {
$max = intval($max, 8);
} else {
$max = intval($max);
}
switch (substr($iniMax, -1)) {
case 't': $max *= 1024;
case 'g': $max *= 1024;
case 'm': $max *= 1024;
case 'k': $max *= 1024;
}
return $max;
}
/**
* Returns an informative upload error message.
*
* @return string The error message regarding the specified error code
*/
public function getErrorMessage()
{
static $errors = array(
UPLOAD_ERR_INI_SIZE => 'The file "%s" exceeds your upload_max_filesize ini directive (limit is %d kb).',
UPLOAD_ERR_FORM_SIZE => 'The file "%s" exceeds the upload limit defined in your form.',
UPLOAD_ERR_PARTIAL => 'The file "%s" was only partially uploaded.',
UPLOAD_ERR_NO_FILE => 'No file was uploaded.',
UPLOAD_ERR_CANT_WRITE => 'The file "%s" could not be written on disk.',
UPLOAD_ERR_NO_TMP_DIR => 'File could not be uploaded: missing temporary directory.',
UPLOAD_ERR_EXTENSION => 'File upload was stopped by a PHP extension.',
);
$errorCode = $this->error;
$maxFilesize = $errorCode === UPLOAD_ERR_INI_SIZE ? self::getMaxFilesize() / 1024 : 0;
$message = isset($errors[$errorCode]) ? $errors[$errorCode] : 'The file "%s" was not uploaded due to an unknown error.';
return sprintf($message, $this->getClientOriginalName(), $maxFilesize);
}
}