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<?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\passwords\driver;
class md5_phpbb2 extends base
{
const PREFIX = '$md5_phpbb2$';
/** @var \phpbb\request\request phpBB request object */
protected $request;
/** @var \phpbb\passwords\driver\salted_md5 */
protected $salted_md5;
/** @var \phpbb\passwords\driver\helper */
protected $helper;
/** @var string phpBB root path */
protected $phpbb_root_path;
/** @var string php file extension */
protected $php_ext;
/**
* Constructor of passwords driver object
*
* @param \phpbb\request\request $request phpBB request object
* @param \phpbb\passwords\driver\salted_md5 $salted_md5 Salted md5 driver
* @param \phpbb\passwords\driver\helper $helper Driver helper
* @param string $phpbb_root_path phpBB root path
* @param string $php_ext PHP file extension
*/
public function __construct($request, salted_md5 $salted_md5, helper $helper, $phpbb_root_path, $php_ext)
{
$this->request = $request;
$this->salted_md5 = $salted_md5;
$this->helper = $helper;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
}
/**
* {@inheritdoc}
*/
public function get_prefix()
{
return self::PREFIX;
}
/**
* {@inheritdoc}
*/
public function is_legacy()
{
return true;
}
/**
* {@inheritdoc}
*/
public function hash($password, $user_row = '')
{
// Do not support hashing
return false;
}
/**
* {@inheritdoc}
*/
public function check($password, $hash, $user_row = array())
{
if (strlen($hash) != 32 && strlen($hash) != 34)
{
return false;
}
// enable super globals to get literal value
// this is needed to prevent unicode normalization
$super_globals_disabled = $this->request->super_globals_disabled();
if ($super_globals_disabled)
{
$this->request->enable_super_globals();
}
// in phpBB2 passwords were used exactly as they were sent, with addslashes applied
$password_old_format = isset($_REQUEST['password']) ? (string) $_REQUEST['password'] : '';
$password_old_format = addslashes($password_old_format);
$password_new_format = $this->request->variable('password', '', true);
if ($super_globals_disabled)
{
$this->request->disable_super_globals();
}
if ($password == $password_new_format)
{
if (!function_exists('utf8_to_cp1252'))
{
include($this->phpbb_root_path . 'includes/utf/data/recode_basic.' . $this->php_ext);
}
if ($this->helper->string_compare(md5($password_old_format), $hash) || $this->helper->string_compare(md5(\utf8_to_cp1252($password_old_format)), $hash)
|| $this->salted_md5->check(md5($password_old_format), $hash) === true
|| $this->salted_md5->check(md5(\utf8_to_cp1252($password_old_format)), $hash) === true)
{
return true;
}
}
return false;
}
}
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