<?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\ucp\controller;
use phpbb\auth\auth;
use phpbb\config\config;
use phpbb\controller\helper;
use phpbb\db\driver\driver_interface;
use phpbb\event\dispatcher;
use phpbb\exception\http_exception;
use phpbb\language\language;
use phpbb\log\log_interface;
use phpbb\passwords\manager;
use phpbb\request\request_interface;
use phpbb\template\template;
use phpbb\user;
use Symfony\Component\HttpFoundation\Response;
/**
* Handling forgotten passwords via reset password functionality
*/
class reset_password
{
/** @var config */
protected $config;
/** @var driver_interface */
protected $db;
/** @var dispatcher */
protected $dispatcher;
/** @var helper */
protected $helper;
/** @var language */
protected $language;
/** @var log_interface */
protected $log;
/** @var manager */
protected $passwords_manager;
/** @var request_interface */
protected $request;
/** @var template */
protected $template;
/** @var user */
protected $user;
/** @var array phpBB DB table names */
protected $users_table;
/** @var string phpBB root path */
protected $root_path;
/** @var string PHP extension */
protected $php_ext;
/**
* Reset password controller constructor.
*
* @param config $config
* @param driver_interface $db
* @param dispatcher $dispatcher
* @param helper $helper
* @param language $language
* @param log_interface $log
* @param manager $passwords_manager
* @param request_interface $request
* @param template $template
* @param user $user
* @param string $users_table
* @param string $root_path
* @param string $php_ext
*/
public function __construct(config $config, driver_interface $db, dispatcher $dispatcher, helper $helper,
language $language, log_interface $log, manager $passwords_manager,
request_interface $request, template $template, user $user, string $users_table,
string $root_path, string $php_ext)
{
$this->config = $config;
$this->db = $db;
$this->dispatcher = $dispatcher;
$this->helper = $helper;
$this->language = $language;
$this->log = $log;
$this->passwords_manager = $passwords_manager;
$this->request = $request;
$this->template = $template;
$this->user = $user;
$this->users_table = $users_table;
$this->root_path = $root_path;
$this->php_ext = $php_ext;
}
/**
* Init controller
*/
protected function init_controller()
{
$this->language->add_lang('ucp');
if (!$this->config['allow_password_reset'])
{
throw new http_exception(Response::HTTP_OK, 'UCP_PASSWORD_RESET_DISABLED', [
'<a href="mailto:' . htmlspecialchars($this->config['board_contact'], ENT_COMPAT) . '">',
'</a>'
]);
}
}
/**
* Remove reset token for specified user
*
* @param int $user_id User ID
*/
protected function remove_reset_token(int $user_id)
{
$sql_ary = [
'reset_token' => '',
'reset_token_expiration' => 0,
];
$sql = 'UPDATE ' . $this->users_table . '
SET ' . $this->db->sql_build_array('UPDATE', $sql_ary) . '
WHERE user_id = ' . $user_id;
$this->db->sql_query($sql);
}
/**
* Handle password reset request
*
* @return Response
*/
public function request()
{
$this->init_controller();
$submit = $this->request->is_set_post('submit');
$username = $this->request->variable('username', '', true);
$email = strtolower($this->request->variable('email', ''));
add_form_key('ucp_reset_password');
if ($submit)
{
if (!check_form_key('ucp_reset_password'))
{
throw new http_exception(Response::HTTP_UNAUTHORIZED, 'FORM_INVALID');
}
if (empty($email))
{
return $this->helper->message('NO_EMAIL_USER');
}
$sql_array = [
'SELECT' => 'user_id, username, user_permissions, user_email, user_jabber, user_notify_type, user_type,'
. ' user_lang, user_inactive_reason, reset_token, reset_token_expiration',
'FROM' => [$this->users_table => 'u'],
'WHERE' => "user_email = '" . $this->db->sql_escape($email) . "'" .
(!empty($username) ? " AND username_clean = '" . $this->db->sql_escape(utf8_clean_string($username)) . "'" : ''),
];
/**
* Change SQL query for fetching user data
*
* @event core.ucp_remind_modify_select_sql
* @var string email User's email from the form
* @var string username User's username from the form
* @var array sql_array Fully assembled SQL query with keys SELECT, FROM, WHERE
* @since 3.1.11-RC1
* @changed 3.3.0-b1 Moved to reset password controller
*/
$vars = [
'email',
'username',
'sql_array',
];
extract($this->dispatcher->trigger_event('core.ucp_remind_modify_select_sql', compact($vars)));
$sql = $this->db->sql_build_query('SELECT', $sql_array);
$result = $this->db->sql_query_limit($sql, 2); // don't waste resources on more rows than we need
$rowset = $this->db->sql_fetchrowset($result);
$this->db->sql_freeresult($result);
if (count($rowset) > 1)
{
$this->template->assign_vars([
'USERNAME_REQUIRED' => true,
'EMAIL' => $email,
]);
}
else
{
$message = $this->language->lang('PASSWORD_RESET_LINK_SENT') . '<br /><br />' . $this->language->lang('RETURN_INDEX', '<a href="' . append_sid("{$this->root_path}index.{$this->php_ext}") . '">', '</a>');
if (empty($rowset))
{
return $this->helper->message($message);
}
$user_row = $rowset[0];
if ($user_row['user_type'] == USER_IGNORE || $user_row['user_type'] == USER_INACTIVE)
{
return $this->helper->message($message);
}
// Do not create multiple valid reset tokens
if (!empty($user_row['reset_token']) && (int) $user_row['reset_token_expiration'] >= time())
{
return $this->helper->message($message);
}
// Check users permissions
$auth = new auth();
$auth->acl($user_row);
if (!$auth->acl_get('u_chgpasswd'))
{
return $this->helper->message($message);
}
// Generate reset token
$reset_token = strtolower(gen_rand_string(32));
$sql_ary = [
'reset_token' => $reset_token,
'reset_token_expiration' => strtotime('+1 day'),
];
$sql = 'UPDATE ' . $this->users_table . '
SET ' . $this->db->sql_build_array('UPDATE', $sql_ary) . '
WHERE user_id = ' . $user_row['user_id'];
$this->db->sql_query($sql);
if (!class_exists('messenger'))
{
include($this->root_path . 'includes/functions_messenger.' . $this->php_ext);
}
/** @var \messenger $messenger */
$messenger = new \messenger(false);
$messenger->template('user_forgot_password', $user_row['user_lang']);
$messenger->set_addresses($user_row);
$messenger->anti_abuse_headers($this->config, $this->user);
$messenger->assign_vars([
'USERNAME' => html_entity_decode($user_row['username'], ENT_COMPAT),
'U_RESET_PASSWORD' => generate_board_url(true) . $this->helper->route('phpbb_ucp_reset_password_controller', [
'u' => $user_row['user_id'],
'token' => $reset_token,
], false)
]);
$messenger->send($user_row['user_notify_type']);
return $this->helper->message($message);
}
}
$this->template->assign_vars([
'USERNAME' => $username,
'EMAIL' => $email,
'U_RESET_PASSWORD_ACTION' => $this->helper->route('phpbb_ucp_forgot_password_controller'),
]);
return $this->helper->render('ucp_reset_password.html', $this->language->lang('RESET_PASSWORD'));
}
/**
* Handle controller requests
*
* @return Response
*/
public function reset()
{
$this->init_controller();
$submit = $this->request->is_set_post('submit');
$reset_token = $this->request->variable('token', '');
$user_id = $this->request->variable('u', 0);
if (empty($reset_token))
{
return $this->helper->message('NO_RESET_TOKEN');
}
if (!$user_id)
{
return $this->helper->message('NO_USER');
}
add_form_key('ucp_reset_password');
$sql_array = [
'SELECT' => 'user_id, username, user_permissions, user_email, user_jabber, user_notify_type, user_type,'
. ' user_lang, user_inactive_reason, reset_token, reset_token_expiration',
'FROM' => [$this->users_table => 'u'],
'WHERE' => 'user_id = ' . $user_id,
];
/**
* Change SQL query for fetching user data
*
* @event core.ucp_reset_password_modify_select_sql
* @var int user_id User ID from the form
* @var string reset_token Reset token
* @var array sql_array Fully assembled SQL query with keys SELECT, FROM, WHERE
* @since 3.3.0-b1
*/
$vars = [
'user_id',
'reset_token',
'sql_array',
];
extract($this->dispatcher->trigger_event('core.ucp_reset_password_modify_select_sql', compact($vars)));
$sql = $this->db->sql_build_query('SELECT', $sql_array);
$result = $this->db->sql_query_limit($sql, 1);
$user_row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
$message = $this->language->lang('RESET_TOKEN_EXPIRED_OR_INVALID') . '<br /><br />' . $this->language->lang('RETURN_INDEX', '<a href="' . append_sid("{$this->root_path}index.{$this->php_ext}") . '">', '</a>');
if (empty($user_row))
{
return $this->helper->message($message);
}
if (!hash_equals($reset_token, $user_row['reset_token']))
{
return $this->helper->message($message);
}
if ($user_row['reset_token_expiration'] < time())
{
$this->remove_reset_token($user_id);
return $this->helper->message($message);
}
$errors = [];
if ($submit)
{
if (!check_form_key('ucp_reset_password'))
{
return $this->helper->message('FORM_INVALID');
}
if ($user_row['user_type'] == USER_IGNORE || $user_row['user_type'] == USER_INACTIVE)
{
return $this->helper->message($message);
}
// Check users permissions
$auth = new auth();
$auth->acl($user_row);
if (!$auth->acl_get('u_chgpasswd'))
{
return $this->helper->message($message);
}
if (!function_exists('validate_data'))
{
include($this->root_path . 'includes/functions_user.' . $this->php_ext);
}
$data = [
'new_password' => $this->request->untrimmed_variable('new_password', '', true),
'password_confirm' => $this->request->untrimmed_variable('new_password_confirm', '', true),
];
$check_data = [
'new_password' => [
['string', false, $this->config['min_pass_chars'], 0],
['password'],
],
'password_confirm' => ['string', true, $this->config['min_pass_chars'], 0],
];
$errors = array_merge($errors, validate_data($data, $check_data));
if (strcmp($data['new_password'], $data['password_confirm']) !== 0)
{
$errors[] = $data['password_confirm'] ? 'NEW_PASSWORD_ERROR' : 'NEW_PASSWORD_CONFIRM_EMPTY';
}
if (empty($errors))
{
$sql_ary = [
'user_password' => $this->passwords_manager->hash($data['new_password']),
'user_login_attempts' => 0,
'reset_token' => '',
'reset_token_expiration' => 0,
];
$sql = 'UPDATE ' . $this->users_table . '
SET ' . $this->db->sql_build_array('UPDATE', $sql_ary) . '
WHERE user_id = ' . (int) $user_row['user_id'];
$this->db->sql_query($sql);
$this->log->add('user', $user_row['user_id'], $this->user->ip, 'LOG_USER_NEW_PASSWORD', false, [
'reportee_id' => $user_row['user_id'],
$user_row['username']
]);
meta_refresh(3, append_sid("{$this->root_path}index.{$this->php_ext}"));
return $this->helper->message($this->language->lang('PASSWORD_RESET'));
}
}
$this->template->assign_vars([
'PASSWORD_RESET_ERRORS' => !empty($errors) ? array_map([$this->language, 'lang'], $errors) : '',
'S_IS_PASSWORD_RESET' => true,
'U_RESET_PASSWORD_ACTION' => $this->helper->route('phpbb_ucp_reset_password_controller'),
'L_CHANGE_PASSWORD_EXPLAIN' => $this->language->lang($this->config['pass_complex'] . '_EXPLAIN', $this->language->lang('CHARACTERS', (int) $this->config['min_pass_chars'])),
'S_HIDDEN_FIELDS' => build_hidden_fields([
'u' => $user_id,
'token' => $reset_token,
]),
]);
return $this->helper->render('ucp_reset_password.html', $this->language->lang('RESET_PASSWORD'));
}
}