-* Responsible for holding all file relevant information, as well as doing file-specific operations.

-* The {@link fileupload fileupload class} can be used to upload several files, each of them being this object to operate further on.

-*/

-class filespec

-{

- var $filename = '';

- var $realname = '';

- var $uploadname = '';

- var $mimetype = '';

- var $extension = '';

- var $filesize = 0;

- var $width = 0;

- var $height = 0;

- var $image_info = array();

-

- var $destination_file = '';

- var $destination_path = '';

-

- var $file_moved = false;

- var $init_error = false;

- var $local = false;

-

- var $error = array();

-

- var $upload = '';

-

- /**

- * @var \phpbb\filesystem\filesystem_interface

- */

- protected $filesystem;

-

- /**

- * The plupload object

- * @var \phpbb\plupload\plupload

- */

- protected $plupload;

-

- /**

- * phpBB Mimetype guesser

- * @var \phpbb\mimetype\guesser

- */

- protected $mimetype_guesser;

-

- /**

- * File Class

- * @access private

- */

- function filespec($upload_ary, $upload_namespace, \phpbb\filesystem\filesystem_interface $phpbb_filesystem, \phpbb\mimetype\guesser $mimetype_guesser = null, \phpbb\plupload\plupload $plupload = null)

- {

- if (!isset($upload_ary))

- {

- $this->init_error = true;

- return;

- }

-

- $this->filename = $upload_ary['tmp_name'];

- $this->filesize = $upload_ary['size'];

- $name = (STRIP) ? stripslashes($upload_ary['name']) : $upload_ary['name'];

- $name = trim(utf8_basename($name));

- $this->realname = $this->uploadname = $name;

- $this->mimetype = $upload_ary['type'];

-

- // Opera adds the name to the mime type

- $this->mimetype = (strpos($this->mimetype, '; name') !== false) ? str_replace(strstr($this->mimetype, '; name'), '', $this->mimetype) : $this->mimetype;

-

- if (!$this->mimetype)

- {

- $this->mimetype = 'application/octet-stream';

- }

-

- $this->extension = strtolower(self::get_extension($this->realname));

-

- // Try to get real filesize from temporary folder (not always working) ;)

- $this->filesize = (@filesize($this->filename)) ? @filesize($this->filename) : $this->filesize;

-

- $this->width = $this->height = 0;

- $this->file_moved = false;

-

- $this->local = (isset($upload_ary['local_mode'])) ? true : false;

- $this->upload = $upload_namespace;

- $this->plupload = $plupload;

- $this->mimetype_guesser = $mimetype_guesser;

- $this->filesystem = $phpbb_filesystem;

- }

-

- /**

- * Cleans destination filename

- *

- * @param real|unique|unique_ext $mode real creates a realname, filtering some characters, lowering every character. Unique creates an unique filename

- * @param string $prefix Prefix applied to filename

- * @param string $user_id The user_id is only needed for when cleaning a user's avatar

- * @access public

- */

- function clean_filename($mode = 'unique', $prefix = '', $user_id = '')

- {

- if ($this->init_error)

- {

- return;

- }

-

- switch ($mode)

- {

- case 'real':

- // Remove every extension from filename (to not let the mime bug being exposed)

- if (strpos($this->realname, '.') !== false)

- {

- $this->realname = substr($this->realname, 0, strpos($this->realname, '.'));

- }

-

- // Replace any chars which may cause us problems with _

- $bad_chars = array("'", "\\", ' ', '/', ':', '*', '?', '"', '<', '>', '|');

-

- $this->realname = rawurlencode(str_replace($bad_chars, '_', strtolower($this->realname)));

- $this->realname = preg_replace("/%(\w{2})/", '_', $this->realname);

-

- $this->realname = $prefix . $this->realname . '.' . $this->extension;

- break;

-

- case 'unique':

- $this->realname = $prefix . md5(unique_id());

- break;

-

- case 'avatar':

- $this->extension = strtolower($this->extension);

- $this->realname = $prefix . $user_id . '.' . $this->extension;

-

- break;

-

- case 'unique_ext':

- default:

- $this->realname = $prefix . md5(unique_id()) . '.' . $this->extension;

- break;

- }

- }

-

- /**

- * Get property from file object

- */

- function get($property)

- {

- if ($this->init_error || !isset($this->$property))

- {

- return false;

- }

-

- return $this->$property;

- }

-

- /**

- * Check if file is an image (mimetype)

- *

- * @return true if it is an image, false if not

- */

- function is_image()

- {

- return (strpos($this->mimetype, 'image/') === 0);

- }

-

- /**

- * Check if the file got correctly uploaded

- *

- * @return true if it is a valid upload, false if not

- */

- function is_uploaded()

- {

- $is_plupload = $this->plupload && $this->plupload->is_active();

-

- if (!$this->local && !$is_plupload && !is_uploaded_file($this->filename))

- {

- return false;

- }

-

- if (($this->local || $is_plupload) && !file_exists($this->filename))

- {

- return false;

- }

-

- return true;

- }

-

- /**

- * Remove file

- */

- function remove()

- {

- if ($this->file_moved)

- {

- @unlink($this->destination_file);

- }

- }

-

- /**

- * Get file extension

- *

- * @param string Filename that needs to be checked

- * @return string Extension of the supplied filename

- */

- static public function get_extension($filename)

- {

- $filename = utf8_basename($filename);

-

- if (strpos($filename, '.') === false)

- {

- return '';

- }

-

- $filename = explode('.', $filename);

- return array_pop($filename);

- }

-

- /**

- * Get mimetype

- *

- * @param string $filename Filename that needs to be checked

- * @return string Mimetype of supplied filename

- */

- function get_mimetype($filename)

- {

- if ($this->mimetype_guesser !== null)

- {

- $mimetype = $this->mimetype_guesser->guess($filename, $this->uploadname);

-

- if ($mimetype !== 'application/octet-stream')

- {

- $this->mimetype = $mimetype;

- }

- }

-

- return $this->mimetype;

- }

-

- /**

- * Get filesize

- */

- function get_filesize($filename)

- {

- return @filesize($filename);

- }

-

-

- /**

- * Check the first 256 bytes for forbidden content

- */

- function check_content($disallowed_content)

- {

- if (empty($disallowed_content))

- {

- return true;

- }

-

- $fp = @fopen($this->filename, 'rb');

-

- if ($fp !== false)

- {

- $ie_mime_relevant = fread($fp, 256);

- fclose($fp);

- foreach ($disallowed_content as $forbidden)

- {

- if (stripos($ie_mime_relevant, '<' . $forbidden) !== false)

- {

- return false;

- }

- }

- }

- return true;

- }

-

- /**

- * Move file to destination folder

- * The phpbb_root_path variable will be applied to the destination path

- *

- * @param string $destination Destination path, for example $config['avatar_path']

- * @param bool $overwrite If set to true, an already existing file will be overwritten

- * @param bool $skip_image_check If set to true, the check for the file to be a valid image is skipped

- * @param string $chmod Permission mask for chmodding the file after a successful move. The mode entered here reflects the mode defined by {@link phpbb_chmod()}

- *

- * @access public

- */

- function move_file($destination, $overwrite = false, $skip_image_check = false, $chmod = false)

- {

- global $user, $phpbb_root_path;

-

- if (sizeof($this->error))

- {

- return false;

- }

-

- $chmod = ($chmod === false) ? CHMOD_READ | CHMOD_WRITE : $chmod;

-

- // We need to trust the admin in specifying valid upload directories and an attacker not being able to overwrite it...

- $this->destination_path = $phpbb_root_path . $destination;

-

- // Check if the destination path exist...

- if (!file_exists($this->destination_path))

- {

- @unlink($this->filename);

- return false;

- }

-

- $upload_mode = (@ini_get('open_basedir') || @ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'on') ? 'move' : 'copy';

- $upload_mode = ($this->local) ? 'local' : $upload_mode;

- $this->destination_file = $this->destination_path . '/' . utf8_basename($this->realname);

-

- // Check if the file already exist, else there is something wrong...

- if (file_exists($this->destination_file) && !$overwrite)

- {

- @unlink($this->filename);

- $this->error[] = $user->lang($this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR', $this->destination_file);

- $this->file_moved = false;

- return false;

- }

- else

- {

- if (file_exists($this->destination_file))

- {

- @unlink($this->destination_file);

- }

-

- switch ($upload_mode)

- {

- case 'copy':

-

- if (!@copy($this->filename, $this->destination_file))

- {

- if (!@move_uploaded_file($this->filename, $this->destination_file))

- {

- $this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);

- }

- }

-

- break;

-

- case 'move':

-

- if (!@move_uploaded_file($this->filename, $this->destination_file))

- {

- if (!@copy($this->filename, $this->destination_file))

- {

- $this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);

- }

- }

-

- break;

-

- case 'local':

-

- if (!@copy($this->filename, $this->destination_file))

- {

- $this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'GENERAL_UPLOAD_ERROR'], $this->destination_file);

- }

-

- break;

- }

-

- // Remove temporary filename

- @unlink($this->filename);

-

- if (sizeof($this->error))

- {

- return false;

- }

-

- try

- {

- $this->filesystem->phpbb_chmod($this->destination_file, $chmod);

- }

- catch (\phpbb\filesystem\exception\filesystem_exception $e)

- {

- // Do nothing

- }

- }

-

- // Try to get real filesize from destination folder

- $this->filesize = (@filesize($this->destination_file)) ? @filesize($this->destination_file) : $this->filesize;

-

- // Get mimetype of supplied file

- $this->mimetype = $this->get_mimetype($this->destination_file);

-

- if ($this->is_image() && !$skip_image_check)

- {

- $this->width = $this->height = 0;

-

- // Get imagesize class

- $imagesize = new \FastImageSize\FastImageSize();

-

- $this->image_info = $imagesize->getImageSize($this->destination_file, $this->mimetype);

-

- if ($this->image_info !== false)

- {

- $this->width = $this->image_info['width'];

- $this->height = $this->image_info['height'];

-

- // Check image type

- $types = fileupload::image_types();

-

- if (!isset($types[$this->image_info['type']]) || !in_array($this->extension, $types[$this->image_info['type']]))

- {

- if (!isset($types[$this->image_info['type']]))

- {

- $this->error[] = $user->lang('IMAGE_FILETYPE_INVALID', $this->image_info['type'], $this->mimetype);

- }

- else

- {

- $this->error[] = $user->lang('IMAGE_FILETYPE_MISMATCH', $types[$this->image_info['type']][0], $this->extension);

- }

- }

-

- // Make sure the dimensions match a valid image

- if (empty($this->width) || empty($this->height))

- {

- $this->error[] = $user->lang['ATTACHED_IMAGE_NOT_IMAGE'];

- }

- }

- else

- {

- $this->error[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];

- }

- }

-

- $this->file_moved = true;

- $this->additional_checks();

- unset($this->upload);

-

- return true;

- }

-

- /**

- * Performing additional checks

- */

- function additional_checks()

- {

- global $user;

-

- if (!$this->file_moved)

- {

- return false;

- }

-

- // Filesize is too big or it's 0 if it was larger than the maxsize in the upload form

- if ($this->upload->max_filesize && ($this->get('filesize') > $this->upload->max_filesize || $this->filesize == 0))

- {

- $max_filesize = get_formatted_filesize($this->upload->max_filesize, false);

-

- $this->error[] = sprintf($user->lang[$this->upload->error_prefix . 'WRONG_FILESIZE'], $max_filesize['value'], $max_filesize['unit']);

-

- return false;

- }

-

- if (!$this->upload->valid_dimensions($this))

- {

- $this->error[] = $user->lang($this->upload->error_prefix . 'WRONG_SIZE',

- $user->lang('PIXELS', (int) $this->upload->min_width),

- $user->lang('PIXELS', (int) $this->upload->min_height),

- $user->lang('PIXELS', (int) $this->upload->max_width),

- $user->lang('PIXELS', (int) $this->upload->max_height),

- $user->lang('PIXELS', (int) $this->width),

- $user->lang('PIXELS', (int) $this->height));

-

- return false;

- }

-

- return true;

- }

-}

-

-/**

-class fileerror extends filespec