Classes List

Symfony\Component\HttpFoundation\File\UploadedFile

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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> */
class UploadedFile extends File
{
    private $test = false;
    private $originalName;
    private $mimeType;
    private $size;
    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 of the uploaded file * @param string|null $mimeType The type of the file as provided by PHP; null defaults to application/octet-stream * @param int|null $size The file size provided by the uploader * @param int|null $error The error constant of the upload (one of PHP's UPLOAD_ERR_XXX constants); null defaults to UPLOAD_ERR_OK * @param bool $test Whether the test mode is active * Local files are used in test mode hence the code should not enforce HTTP uploads * * @throws FileException If file_uploads is disabled * @throws FileNotFoundException If the file does not exist */
    public function __construct($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 = (bool) $test;

        parent::__construct($pathUPLOAD_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 */
    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->originalNamePATHINFO_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() */
    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 int|null The file size */
    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 int The upload error */
    public function getError()
    {
        return $this->error;
    }

    /** * Returns whether the file was uploaded successfully. * * @return bool True if the file has been uploaded with HTTP and no error occurred */
    public function isValid()
    {
        $isOk = UPLOAD_ERR_OK === $this->error;

        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 $name The new file name * * @return File A File object representing the new file * * @throws FileException if, for any reason, the file could not have been moved */
    public function move($directory$name = null)
    {
        if ($this->isValid()) {
            if ($this->test) {
                return parent::move($directory$name);
            }

            $target = $this->getTargetFile($directory$name);

            set_error_handler(function ($type$msguse (&$error) { $error = $msg; });
            $moved = move_uploaded_file($this->getPathname(), $target);
            restore_error_handler();
            if (!$moved) {
                throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s)'$this->getPathname(), $targetstrip_tags($error)));
            }

            @chmod($target0666 & ~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')) {
            $max = intval($max16);
        } elseif (0 === strpos($max'0')) {
            $max = intval($max8);
        } else {
            $max = (int) $max;
        }

        switch (substr($iniMax, -1)) {
            case 't'$max *= 1024;
            // no break
            case 'g'$max *= 1024;
            // no break
            case 'm'$max *= 1024;
            // no break
            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 KiB).',
            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 = UPLOAD_ERR_INI_SIZE === $errorCode ? 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);
    }
}