+<?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']) . '">',

+ '</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' => htmlspecialchars_decode($user_row['username']),

+ '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'));

+ }

+ }

+

+ if (!empty($errors))

+ {

+ $this->template->assign_block_vars_array('PASSWORD_RESET_ERRORS', array_map([$this->language, 'lang'], $errors));

+ }

+

+ $this->template->assign_vars([

+ 'S_IS_PASSWORD_RESET' => true,

+ 'U_RESET_PASSWORD_ACTION' => $this->helper->route('phpbb_ucp_reset_password_controller'),

+ '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'));

+ }

+}