<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\avatar\driver;
/**
* Handles avatars uploaded to the board
*/
class upload extends \phpbb\avatar\driver\driver
{
/**
* @var \phpbb\filesystem\filesystem_interface
*/
protected $filesystem;
/**
* @var \phpbb\event\dispatcher_interface
*/
protected $dispatcher;
/**
* @var \phpbb\files\factory
*/
protected $files_factory;
/**
* Construct a driver object
*
* @param \phpbb\config\config $config phpBB configuration
* @param string $phpbb_root_path Path to the phpBB root
* @param string $php_ext PHP file extension
* @param \phpbb\filesystem\filesystem_interface $filesystem phpBB filesystem helper
* @param \phpbb\path_helper $path_helper phpBB path helper
* @param \phpbb\event\dispatcher_interface $dispatcher phpBB Event dispatcher object
* @param \phpbb\files\factory $files_factory File classes factory
* @param \phpbb\cache\driver\driver_interface $cache Cache driver
*/
public function __construct(\phpbb\config\config $config, $phpbb_root_path, $php_ext, \phpbb\filesystem\filesystem_interface $filesystem, \phpbb\path_helper $path_helper, \phpbb\event\dispatcher_interface $dispatcher, \phpbb\files\factory $files_factory, \phpbb\cache\driver\driver_interface $cache = null)
{
$this->config = $config;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->filesystem = $filesystem;
$this->path_helper = $path_helper;
$this->dispatcher = $dispatcher;
$this->files_factory = $files_factory;
$this->cache = $cache;
}
/**
* {@inheritdoc}
*/
public function get_data($row)
{
$root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $this->path_helper->get_web_root_path();
return array(
'src' => $root_path . 'download/file.' . $this->php_ext . '?avatar=' . $row['avatar'],
'width' => $row['avatar_width'],
'height' => $row['avatar_height'],
);
}
/**
* {@inheritdoc}
*/
public function prepare_form($request, $template, $user, $row, &$error)
{
if (!$this->can_upload())
{
return false;
}
$template->assign_vars(array(
'S_UPLOAD_AVATAR_URL' => ($this->config['allow_avatar_remote_upload']) ? true : false,
'AVATAR_UPLOAD_SIZE' => $this->config['avatar_filesize'],
'AVATAR_ALLOWED_EXTENSIONS' => implode(',', preg_replace('/^/', '.', $this->allowed_extensions)),
));
return true;
}
/**
* {@inheritdoc}
*/
public function process_form($request, $template, $user, $row, &$error)
{
if (!$this->can_upload())
{
return false;
}
/** @var \phpbb\files\upload $upload */
$upload = $this->files_factory->get('upload')
->set_error_prefix('AVATAR_')
->set_allowed_extensions($this->allowed_extensions)
->set_max_filesize($this->config['avatar_filesize'])
->set_allowed_dimensions(
$this->config['avatar_min_width'],
$this->config['avatar_min_height'],
$this->config['avatar_max_width'],
$this->config['avatar_max_height'])
->set_disallowed_content((isset($this->config['mime_triggers']) ? explode('|', $this->config['mime_triggers']) : false));
$url = $request->variable('avatar_upload_url', '');
$upload_file = $request->file('avatar_upload_file');
if (!empty($upload_file['name']))
{
$file = $upload->handle_upload('files.types.form', 'avatar_upload_file');
}
else if (!empty($this->config['allow_avatar_remote_upload']) && !empty($url))
{
if (!preg_match('#^(http|https|ftp)://#i', $url))
{
$url = 'http://' . $url;
}
if (!function_exists('validate_data'))
{
require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
}
$validate_array = validate_data(
array(
'url' => $url,
),
array(
'url' => array('string', true, 5, 255),
)
);
$error = array_merge($error, $validate_array);
if (!empty($error))
{
return false;
}
// Do not allow specifying the port (see RFC 3986) or IP addresses
// remote_upload() will do its own check for allowed filetypes
if (!preg_match('#^(http|https|ftp)://(?:(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}|(?:\d{1,3}\.){3,5}\d{1,3}):?([0-9]*?).*?\.('. implode('|', $this->allowed_extensions) . ')$#i', $url) ||
preg_match('@^(http|https|ftp)://[^/:?#]+:[0-9]+[/:?#]@i', $url) ||
preg_match('#^(http|https|ftp)://(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])#i', $url) ||
preg_match('#^(http|https|ftp)://(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){0,5}(?:[\dA-F]{1,4}(?::[\dA-F]{1,4})?|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:)|(?:::))#i', $url))
{
$error[] = 'AVATAR_URL_INVALID';
return false;
}
$file = $upload->handle_upload('files.types.remote', $url);
}
else
{
return false;
}
$prefix = $this->config['avatar_salt'] . '_';
$file->clean_filename('avatar', $prefix, $row['id']);
// If there was an error during upload, then abort operation
if (count($file->error))
{
$file->remove();
$error = $file->error;
return false;
}
// Calculate new destination
$destination = $this->config['avatar_path'];
// Adjust destination path (no trailing slash)
if (substr($destination, -1, 1) == '/' || substr($destination, -1, 1) == '\\')
{
$destination = substr($destination, 0, -1);
}
$destination = str_replace(array('../', '..\\', './', '.\\'), '', $destination);
if ($destination && ($destination[0] == '/' || $destination[0] == "\\"))
{
$destination = '';
}
$filedata = array(
'filename' => $file->get('filename'),
'filesize' => $file->get('filesize'),
'mimetype' => $file->get('mimetype'),
'extension' => $file->get('extension'),
'physical_filename' => $file->get('realname'),
'real_filename' => $file->get('uploadname'),
);
/**
* Before moving new file in place (and eventually overwriting the existing avatar with the newly uploaded avatar)
*
* @event core.avatar_driver_upload_move_file_before
* @var array filedata Array containing uploaded file data
* @var \phpbb\files\filespec file Instance of filespec class
* @var string destination Destination directory where the file is going to be moved
* @var string prefix Prefix for the avatar filename
* @var array row Array with avatar row data
* @var array error Array of errors, if filled in by this event file will not be moved
* @since 3.1.6-RC1
* @changed 3.1.9-RC1 Added filedata
* @changed 3.2.3-RC1 Added file
*/
$vars = array(
'filedata',
'file',
'destination',
'prefix',
'row',
'error',
);
extract($this->dispatcher->trigger_event('core.avatar_driver_upload_move_file_before', compact($vars)));
unset($filedata);
if (!count($error))
{
// Move file and overwrite any existing image
$file->move_file($destination, true);
}
// If there was an error during move, then clean up leftovers
$error = array_merge($error, $file->error);
if (count($error))
{
$file->remove();
return false;
}
// Delete current avatar if not overwritten
$ext = substr(strrchr($row['avatar'], '.'), 1);
if ($ext && $ext !== $file->get('extension'))
{
$this->delete($row);
}
return array(
'avatar' => $row['id'] . '_' . time() . '.' . $file->get('extension'),
'avatar_width' => $file->get('width'),
'avatar_height' => $file->get('height'),
);
}
/**
* {@inheritdoc}
*/
public function prepare_form_acp($user)
{
return array(
'allow_avatar_remote_upload'=> array('lang' => 'ALLOW_REMOTE_UPLOAD', 'validate' => 'bool', 'type' => 'radio:yes_no', 'explain' => true),
'avatar_filesize' => array('lang' => 'MAX_FILESIZE', 'validate' => 'int:0', 'type' => 'number:0', 'explain' => true, 'append' => ' ' . $user->lang['BYTES']),
'avatar_path' => array('lang' => 'AVATAR_STORAGE_PATH', 'validate' => 'rpath', 'type' => 'text:20:255', 'explain' => true),
);
}
/**
* {@inheritdoc}
*/
public function delete($row)
{
$error = array();
$destination = $this->config['avatar_path'];
$prefix = $this->config['avatar_salt'] . '_';
$ext = substr(strrchr($row['avatar'], '.'), 1);
$filename = $this->phpbb_root_path . $destination . '/' . $prefix . $row['id'] . '.' . $ext;
/**
* Before deleting an existing avatar
*
* @event core.avatar_driver_upload_delete_before
* @var string destination Destination directory where the file is going to be deleted
* @var string prefix Prefix for the avatar filename
* @var array row Array with avatar row data
* @var array error Array of errors, if filled in by this event file will not be deleted
* @since 3.1.6-RC1
*/
$vars = array(
'destination',
'prefix',
'row',
'error',
);
extract($this->dispatcher->trigger_event('core.avatar_driver_upload_delete_before', compact($vars)));
if (!count($error) && $this->filesystem->exists($filename))
{
try
{
$this->filesystem->remove($filename);
return true;
}
catch (\phpbb\filesystem\exception\filesystem_exception $e)
{
// Fail is covered by return statement below
}
}
return false;
}
/**
* {@inheritdoc}
*/
public function get_template_name()
{
return 'ucp_avatar_options_upload.html';
}
/**
* Check if user is able to upload an avatar
*
* @return bool True if user can upload, false if not
*/
protected function can_upload()
{
return ($this->filesystem->exists($this->phpbb_root_path . $this->config['avatar_path']) && $this->filesystem->is_writable($this->phpbb_root_path . $this->config['avatar_path']) && (@ini_get('file_uploads') || strtolower(@ini_get('file_uploads')) == 'on'));
}
}