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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.
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
    exit;
}
class acp_main
{
    var $u_action;
    private $php_ini;
    function main($id, $mode)
    {
        global $config, $db, $cache, $user, $auth, $template, $request, $phpbb_log;
        global $phpbb_root_path, $phpbb_admin_path, $phpEx, $phpbb_container, $phpbb_dispatcher, $phpbb_filesystem;
        // Show restore permissions notice
        if ($user->data['user_perm_from'] && $auth->acl_get('a_switchperm'))
        {
            $this->tpl_name = 'acp_main';
            $this->page_title = 'ACP_MAIN';
            $sql = 'SELECT user_id, username, user_colour
                FROM ' . USERS_TABLE . '
                WHERE user_id = ' . $user->data['user_perm_from'];
            $result = $db->sql_query($sql);
            $user_row = $db->sql_fetchrow($result);
            $db->sql_freeresult($result);
            $perm_from = get_username_string('full', $user_row['user_id'], $user_row['username'], $user_row['user_colour']);
            $template->assign_vars(array(
                'S_RESTORE_PERMISSIONS'        => true,
                'U_RESTORE_PERMISSIONS'        => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=restore_perm'),
                'PERM_FROM'                    => $perm_from,
                'L_PERMISSIONS_TRANSFERRED_EXPLAIN'    => sprintf($user->lang['PERMISSIONS_TRANSFERRED_EXPLAIN'], $perm_from, append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=restore_perm')),
            ));
            return;
        }
        $action = $request->variable('action', '');
        if ($action)
        {
            if ($action === 'admlogout')
            {
                $user->unset_admin();
                redirect(append_sid("{$phpbb_root_path}index.$phpEx"));
            }
            if (!confirm_box(true))
            {
                switch ($action)
                {
                    case 'online':
                        $confirm = true;
                        $confirm_lang = 'RESET_ONLINE_CONFIRM';
                    break;
                    case 'stats':
                        $confirm = true;
                        $confirm_lang = 'RESYNC_STATS_CONFIRM';
                    break;
                    case 'user':
                        $confirm = true;
                        $confirm_lang = 'RESYNC_POSTCOUNTS_CONFIRM';
                    break;
                    case 'date':
                        $confirm = true;
                        $confirm_lang = 'RESET_DATE_CONFIRM';
                    break;
                    case 'db_track':
                        $confirm = true;
                        $confirm_lang = 'RESYNC_POST_MARKING_CONFIRM';
                    break;
                    case 'purge_cache':
                        $confirm = true;
                        $confirm_lang = 'PURGE_CACHE_CONFIRM';
                    break;
                    case 'purge_sessions':
                        $confirm = true;
                        $confirm_lang = 'PURGE_SESSIONS_CONFIRM';
                    break;
                    default:
                        $confirm = true;
                        $confirm_lang = 'CONFIRM_OPERATION';
                }
                if ($confirm)
                {
                    confirm_box(false, $user->lang[$confirm_lang], build_hidden_fields(array(
                        'i'            => $id,
                        'mode'        => $mode,
                        'action'    => $action,
                    )));
                }
            }
            else
            {
                switch ($action)
                {
                    case 'online':
                        if (!$auth->acl_get('a_board'))
                        {
                            send_status_line(403, 'Forbidden');
                            trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
                        }
                        $config->set('record_online_users', 1, false);
                        $config->set('record_online_date', time(), false);
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESET_ONLINE');
                        if ($request->is_ajax())
                        {
                            trigger_error('RESET_ONLINE_SUCCESS');
                        }
                    break;
                    case 'stats':
                        if (!$auth->acl_get('a_board'))
                        {
                            send_status_line(403, 'Forbidden');
                            trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
                        }
                        $sql = 'SELECT COUNT(post_id) AS stat
                            FROM ' . POSTS_TABLE . '
                            WHERE post_visibility = ' . ITEM_APPROVED;
                        $result = $db->sql_query($sql);
                        $config->set('num_posts', (int) $db->sql_fetchfield('stat'), false);
                        $db->sql_freeresult($result);
                        $sql = 'SELECT COUNT(topic_id) AS stat
                            FROM ' . TOPICS_TABLE . '
                            WHERE topic_visibility = ' . ITEM_APPROVED;
                        $result = $db->sql_query($sql);
                        $config->set('num_topics', (int) $db->sql_fetchfield('stat'), false);
                        $db->sql_freeresult($result);
                        $sql = 'SELECT COUNT(user_id) AS stat
                            FROM ' . USERS_TABLE . '
                            WHERE user_type IN (' . USER_NORMAL . ',' . USER_FOUNDER . ')';
                        $result = $db->sql_query($sql);
                        $config->set('num_users', (int) $db->sql_fetchfield('stat'), false);
                        $db->sql_freeresult($result);
                        $sql = 'SELECT COUNT(attach_id) as stat
                            FROM ' . ATTACHMENTS_TABLE . '
                            WHERE is_orphan = 0';
                        $result = $db->sql_query($sql);
                        $config->set('num_files', (int) $db->sql_fetchfield('stat'), false);
                        $db->sql_freeresult($result);
                        $sql = 'SELECT SUM(filesize) as stat
                            FROM ' . ATTACHMENTS_TABLE . '
                            WHERE is_orphan = 0';
                        $result = $db->sql_query($sql);
                        $config->set('upload_dir_size', (float) $db->sql_fetchfield('stat'), false);
                        $db->sql_freeresult($result);
                        if (!function_exists('update_last_username'))
                        {
                            include($phpbb_root_path . "includes/functions_user.$phpEx");
                        }
                        update_last_username();
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESYNC_STATS');
                        if ($request->is_ajax())
                        {
                            trigger_error('RESYNC_STATS_SUCCESS');
                        }
                    break;
                    case 'user':
                        if (!$auth->acl_get('a_board'))
                        {
                            send_status_line(403, 'Forbidden');
                            trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
                        }
                        // Resync post counts
                        $start = $max_post_id = 0;
                        // Find the maximum post ID, we can only stop the cycle when we've reached it
                        $sql = 'SELECT MAX(forum_last_post_id) as max_post_id
                            FROM ' . FORUMS_TABLE;
                        $result = $db->sql_query($sql);
                        $max_post_id = (int) $db->sql_fetchfield('max_post_id');
                        $db->sql_freeresult($result);
                        // No maximum post id? :o
                        if (!$max_post_id)
                        {
                            $sql = 'SELECT MAX(post_id) as max_post_id
                                FROM ' . POSTS_TABLE;
                            $result = $db->sql_query($sql);
                            $max_post_id = (int) $db->sql_fetchfield('max_post_id');
                            $db->sql_freeresult($result);
                        }
                        // Still no maximum post id? Then we are finished
                        if (!$max_post_id)
                        {
                            $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESYNC_POSTCOUNTS');
                            break;
                        }
                        $step = ($config['num_posts']) ? (max((int) ($config['num_posts'] / 5), 20000)) : 20000;
                        $db->sql_query('UPDATE ' . USERS_TABLE . ' SET user_posts = 0');
                        while ($start < $max_post_id)
                        {
                            $sql = 'SELECT COUNT(post_id) AS num_posts, poster_id
                                FROM ' . POSTS_TABLE . '
                                WHERE post_id BETWEEN ' . ($start + 1) . ' AND ' . ($start + $step) . '
                                    AND post_postcount = 1 AND post_visibility = ' . ITEM_APPROVED . '
                                GROUP BY poster_id';
                            $result = $db->sql_query($sql);
                            if ($row = $db->sql_fetchrow($result))
                            {
                                do
                                {
                                    $sql = 'UPDATE ' . USERS_TABLE . " SET user_posts = user_posts + {$row['num_posts']} WHERE user_id = {$row['poster_id']}";
                                    $db->sql_query($sql);
                                }
                                while ($row = $db->sql_fetchrow($result));
                            }
                            $db->sql_freeresult($result);
                            $start += $step;
                        }
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESYNC_POSTCOUNTS');
                        if ($request->is_ajax())
                        {
                            trigger_error('RESYNC_POSTCOUNTS_SUCCESS');
                        }
                    break;
                    case 'date':
                        if (!$auth->acl_get('a_board'))
                        {
                            send_status_line(403, 'Forbidden');
                            trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
                        }
                        $config->set('board_startdate', time() - 1);
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESET_DATE');
                        if ($request->is_ajax())
                        {
                            trigger_error('RESET_DATE_SUCCESS');
                        }
                    break;
                    case 'db_track':
                        switch ($db->get_sql_layer())
                        {
                            case 'sqlite3':
                                $db->sql_query('DELETE FROM ' . TOPICS_POSTED_TABLE);
                            break;
                            default:
                                $db->sql_query('TRUNCATE TABLE ' . TOPICS_POSTED_TABLE);
                            break;
                        }
                        // This can get really nasty... therefore we only do the last six months
                        $get_from_time = time() - (6 * 4 * 7 * 24 * 60 * 60);
                        // Select forum ids, do not include categories
                        $sql = 'SELECT forum_id
                            FROM ' . FORUMS_TABLE . '
                            WHERE forum_type <> ' . FORUM_CAT;
                        $result = $db->sql_query($sql);
                        $forum_ids = array();
                        while ($row = $db->sql_fetchrow($result))
                        {
                            $forum_ids[] = $row['forum_id'];
                        }
                        $db->sql_freeresult($result);
                        // Any global announcements? ;)
                        $forum_ids[] = 0;
                        // Now go through the forums and get us some topics...
                        foreach ($forum_ids as $forum_id)
                        {
                            $sql = 'SELECT p.poster_id, p.topic_id
                                FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t
                                WHERE t.forum_id = ' . $forum_id . '
                                    AND t.topic_moved_id = 0
                                    AND t.topic_last_post_time > ' . $get_from_time . '
                                    AND t.topic_id = p.topic_id
                                    AND p.poster_id <> ' . ANONYMOUS . '
                                GROUP BY p.poster_id, p.topic_id';
                            $result = $db->sql_query($sql);
                            $posted = array();
                            while ($row = $db->sql_fetchrow($result))
                            {
                                $posted[$row['poster_id']][] = $row['topic_id'];
                            }
                            $db->sql_freeresult($result);
                            $sql_ary = array();
                            foreach ($posted as $user_id => $topic_row)
                            {
                                foreach ($topic_row as $topic_id)
                                {
                                    $sql_ary[] = array(
                                        'user_id'        => (int) $user_id,
                                        'topic_id'        => (int) $topic_id,
                                        'topic_posted'    => 1,
                                    );
                                }
                            }
                            unset($posted);
                            if (count($sql_ary))
                            {
                                $db->sql_multi_insert(TOPICS_POSTED_TABLE, $sql_ary);
                            }
                        }
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_RESYNC_POST_MARKING');
                        if ($request->is_ajax())
                        {
                            trigger_error('RESYNC_POST_MARKING_SUCCESS');
                        }
                    break;
                    case 'purge_cache':
                        $config->increment('assets_version', 1);
                        $cache->purge();
                        // Remove old renderers from the text_formatter service. Since this
                        // operation is performed after the cache is purged, there is not "current"
                        // renderer and in effect all renderers will be purged
                        $phpbb_container->get('text_formatter.cache')->tidy();
                        // Clear permissions
                        $auth->acl_clear_prefetch();
                        phpbb_cache_moderators($db, $cache, $auth);
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_PURGE_CACHE');
                        if ($request->is_ajax())
                        {
                            trigger_error('PURGE_CACHE_SUCCESS');
                        }
                    break;
                    case 'purge_sessions':
                        if ((int) $user->data['user_type'] !== USER_FOUNDER)
                        {
                            send_status_line(403, 'Forbidden');
                            trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
                        }
                        $tables = array(CONFIRM_TABLE, SESSIONS_TABLE);
                        foreach ($tables as $table)
                        {
                            switch ($db->get_sql_layer())
                            {
                                case 'sqlite3':
                                    $db->sql_query("DELETE FROM $table");
                                break;
                                default:
                                    $db->sql_query("TRUNCATE TABLE $table");
                                break;
                            }
                        }
                        // let's restore the admin session
                        $reinsert_ary = array(
                                'session_id'            => (string) $user->session_id,
                                'session_page'            => (string) substr($user->page['page'], 0, 199),
                                'session_forum_id'        => $user->page['forum'],
                                'session_user_id'        => (int) $user->data['user_id'],
                                'session_start'            => (int) $user->data['session_start'],
                                'session_last_visit'    => (int) $user->data['session_last_visit'],
                                'session_time'            => (int) $user->time_now,
                                'session_browser'        => (string) trim(substr($user->browser, 0, 149)),
                                'session_forwarded_for'    => (string) $user->forwarded_for,
                                'session_ip'            => (string) $user->ip,
                                'session_autologin'        => (int) $user->data['session_autologin'],
                                'session_admin'            => 1,
                                'session_viewonline'    => (int) $user->data['session_viewonline'],
                        );
                        $sql = 'INSERT INTO ' . SESSIONS_TABLE . ' ' . $db->sql_build_array('INSERT', $reinsert_ary);
                        $db->sql_query($sql);
                        $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_PURGE_SESSIONS');
                        if ($request->is_ajax())
                        {
                            trigger_error('PURGE_SESSIONS_SUCCESS');
                        }
                    break;
                }
            }
        }
        // Version check
        $user->add_lang('install');
        if ($auth->acl_get('a_server') && version_compare(PHP_VERSION, '7.2.0', '<'))
        {
            $template->assign_vars(array(
                'S_PHP_VERSION_OLD'    => true,
                'L_PHP_VERSION_OLD'    => sprintf($user->lang['PHP_VERSION_OLD'], PHP_VERSION, '7.2.0', '<a href="https://www.phpbb.com/support/docs/en/3.3/ug/quickstart/requirements">', '</a>'),
            ));
        }
        if ($auth->acl_get('a_board'))
        {
            $version_helper = $phpbb_container->get('version_helper');
            try
            {
                $recheck = $request->variable('versioncheck_force', false);
                $updates_available = $version_helper->get_update_on_branch($recheck);
                $upgrades_available = $version_helper->get_suggested_updates();
                if (!empty($upgrades_available))
                {
                    $upgrades_available = array_pop($upgrades_available);
                }
                $template->assign_vars(array(
                    'S_VERSION_UP_TO_DATE'        => empty($updates_available),
                    'S_VERSION_UPGRADEABLE'        => !empty($upgrades_available),
                    'S_VERSIONCHECK_FORCE'        => (bool) $recheck,
                    'UPGRADE_INSTRUCTIONS'        => !empty($upgrades_available) ? $user->lang('UPGRADE_INSTRUCTIONS', $upgrades_available['current'], $upgrades_available['announcement']) : false,
                ));
            }
            catch (\RuntimeException $e)
            {
                $message = call_user_func_array(array($user, 'lang'), array_merge(array($e->getMessage()), $e->get_parameters()));
                $template->assign_vars(array(
                    'S_VERSIONCHECK_FAIL'        => true,
                    'VERSIONCHECK_FAIL_REASON'    => ($e->getMessage() !== 'VERSIONCHECK_FAIL') ? $message : '',
                ));
            }
        }
        else
        {
            // We set this template var to true, to not display an outdated version notice.
            $template->assign_var('S_VERSION_UP_TO_DATE', true);
        }
        // Incomplete update?
        if (phpbb_version_compare($config['version'], PHPBB_VERSION, '<'))
        {
            $template->assign_var('S_UPDATE_INCOMPLETE', true);
        }
        /**
        * Notice admin
        *
        * @event core.acp_main_notice
        * @since 3.1.0-RC3
        */
        $phpbb_dispatcher->dispatch('core.acp_main_notice');
        // Get forum statistics
        $total_posts = $config['num_posts'];
        $total_topics = $config['num_topics'];
        $total_users = $config['num_users'];
        $total_files = $config['num_files'];
        $start_date = $user->format_date($config['board_startdate']);
        $boarddays = (time() - (int) $config['board_startdate']) / 86400;
        $posts_per_day = sprintf('%.2f', $total_posts / $boarddays);
        $topics_per_day = sprintf('%.2f', $total_topics / $boarddays);
        $users_per_day = sprintf('%.2f', $total_users / $boarddays);
        $files_per_day = sprintf('%.2f', $total_files / $boarddays);
        $upload_dir_size = get_formatted_filesize($config['upload_dir_size']);
        $avatar_dir_size = 0;
        if ($avatar_dir = @opendir($phpbb_root_path . $config['avatar_path']))
        {
            while (($file = readdir($avatar_dir)) !== false)
            {
                if ($file[0] != '.' && $file != 'CVS' && strpos($file, 'index.') === false)
                {
                    $avatar_dir_size += filesize($phpbb_root_path . $config['avatar_path'] . '/' . $file);
                }
            }
            closedir($avatar_dir);
            $avatar_dir_size = get_formatted_filesize($avatar_dir_size);
        }
        else
        {
            // Couldn't open Avatar dir.
            $avatar_dir_size = $user->lang['NOT_AVAILABLE'];
        }
        if ($posts_per_day > $total_posts)
        {
            $posts_per_day = $total_posts;
        }
        if ($topics_per_day > $total_topics)
        {
            $topics_per_day = $total_topics;
        }
        if ($users_per_day > $total_users)
        {
            $users_per_day = $total_users;
        }
        if ($files_per_day > $total_files)
        {
            $files_per_day = $total_files;
        }
        $sql = 'SELECT COUNT(attach_id) AS total_orphan
            FROM ' . ATTACHMENTS_TABLE . '
            WHERE is_orphan = 1
                AND filetime < ' . (time() - 3*60*60);
        $result = $db->sql_query($sql);
        $total_orphan = (int) $db->sql_fetchfield('total_orphan');
        $db->sql_freeresult($result);
        $dbsize = get_database_size();
        $template->assign_vars(array(
            'TOTAL_POSTS'        => $total_posts,
            'POSTS_PER_DAY'        => $posts_per_day,
            'TOTAL_TOPICS'        => $total_topics,
            'TOPICS_PER_DAY'    => $topics_per_day,
            'TOTAL_USERS'        => $total_users,
            'USERS_PER_DAY'        => $users_per_day,
            'TOTAL_FILES'        => $total_files,
            'FILES_PER_DAY'        => $files_per_day,
            'START_DATE'        => $start_date,
            'AVATAR_DIR_SIZE'    => $avatar_dir_size,
            'DBSIZE'            => $dbsize,
            'UPLOAD_DIR_SIZE'    => $upload_dir_size,
            'TOTAL_ORPHAN'        => $total_orphan,
            'GZIP_COMPRESSION'    => ($config['gzip_compress'] && @extension_loaded('zlib')) ? $user->lang['ON'] : $user->lang['OFF'],
            'DATABASE_INFO'        => $db->sql_server_info(),
            'PHP_VERSION_INFO'    => PHP_VERSION,
            'BOARD_VERSION'        => $config['version'],
            'U_ACTION'            => $this->u_action,
            'U_ADMIN_LOG'        => append_sid("{$phpbb_admin_path}index.$phpEx", 'i=logs&amp;mode=admin'),
            'U_INACTIVE_USERS'    => append_sid("{$phpbb_admin_path}index.$phpEx", 'i=inactive&amp;mode=list'),
            'U_VERSIONCHECK'    => append_sid("{$phpbb_admin_path}index.$phpEx", 'i=update&amp;mode=version_check'),
            'U_VERSIONCHECK_FORCE'    => append_sid("{$phpbb_admin_path}index.$phpEx", 'versioncheck_force=1'),
            'U_ATTACH_ORPHAN'    => append_sid("{$phpbb_admin_path}index.$phpEx", 'i=acp_attachments&mode=orphan'),
            'S_VERSIONCHECK'    => ($auth->acl_get('a_board')) ? true : false,
            'S_ACTION_OPTIONS'    => ($auth->acl_get('a_board')) ? true : false,
            'S_FOUNDER'            => ($user->data['user_type'] == USER_FOUNDER) ? true : false,
            )
        );
        $log_data = array();
        $log_count = false;
        if ($auth->acl_get('a_viewlogs'))
        {
            view_log('admin', $log_data, $log_count, 5);
            foreach ($log_data as $row)
            {
                $template->assign_block_vars('log', array(
                    'USERNAME'    => $row['username_full'],
                    'IP'        => $row['ip'],
                    'DATE'        => $user->format_date($row['time']),
                    'ACTION'    => $row['action'])
                );
            }
        }
        if ($auth->acl_get('a_user'))
        {
            $user->add_lang('memberlist');
            $inactive = array();
            $inactive_count = 0;
            view_inactive_users($inactive, $inactive_count, 10);
            foreach ($inactive as $row)
            {
                $template->assign_block_vars('inactive', array(
                    'INACTIVE_DATE'    => $user->format_date($row['user_inactive_time']),
                    'REMINDED_DATE'    => $user->format_date($row['user_reminded_time']),
                    'JOINED'        => $user->format_date($row['user_regdate']),
                    'LAST_VISIT'    => (!$row['user_lastvisit']) ? ' - ' : $user->format_date($row['user_lastvisit']),
                    'REASON'        => $row['inactive_reason'],
                    'USER_ID'        => $row['user_id'],
                    'POSTS'            => ($row['user_posts']) ? $row['user_posts'] : 0,
                    'REMINDED'        => $row['user_reminded'],
                    'REMINDED_EXPLAIN'    => $user->lang('USER_LAST_REMINDED', (int) $row['user_reminded'], $user->format_date($row['user_reminded_time'])),
                    'USERNAME_FULL'        => get_username_string('full', $row['user_id'], $row['username'], $row['user_colour'], false, append_sid("{$phpbb_admin_path}index.$phpEx", 'i=users&amp;mode=overview')),
                    'USERNAME'            => get_username_string('username', $row['user_id'], $row['username'], $row['user_colour']),
                    'USER_COLOR'        => get_username_string('colour', $row['user_id'], $row['username'], $row['user_colour']),
                    'U_USER_ADMIN'    => append_sid("{$phpbb_admin_path}index.$phpEx", "i=users&amp;mode=overview&amp;u={$row['user_id']}"),
                    'U_SEARCH_USER'    => ($auth->acl_get('u_search')) ? append_sid("{$phpbb_root_path}search.$phpEx", "author_id={$row['user_id']}&amp;sr=posts") : '',
                ));
            }
            $option_ary = array('activate' => 'ACTIVATE', 'delete' => 'DELETE');
            if ($config['email_enable'])
            {
                $option_ary += array('remind' => 'REMIND');
            }
            $template->assign_vars(array(
                'S_INACTIVE_USERS'        => true,
                'S_INACTIVE_OPTIONS'    => build_select($option_ary))
            );
        }
        // Warn if install is still present
        if (!defined('IN_INSTALL') && !$phpbb_container->getParameter('allow_install_dir') && file_exists($phpbb_root_path . 'install') && !is_file($phpbb_root_path . 'install'))
        {
            $template->assign_var('S_REMOVE_INSTALL', true);
        }
        // Warn if no search index is created
        if ($config['num_posts'] && class_exists($config['search_type']))
        {
            $error = false;
            $search_type = $config['search_type'];
            $search = new $search_type($error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user, $phpbb_dispatcher);
            if (!$search->index_created())
            {
                $template->assign_vars(array(
                    'S_SEARCH_INDEX_MISSING'    => true,
                    'L_NO_SEARCH_INDEX'            => $user->lang('NO_SEARCH_INDEX', $search->get_name(), '<a href="' . append_sid("{$phpbb_admin_path}index.$phpEx", 'i=acp_search&amp;mode=index') . '">', '</a>'),
                ));
            }
        }
        if (!defined('PHPBB_DISABLE_CONFIG_CHECK'))
        {
            // World-Writable? (000x)
            $template->assign_var('S_WRITABLE_CONFIG', (bool) (@fileperms($phpbb_root_path . 'config.' . $phpEx) & 0x0002));
        }
        $this->php_ini            = $phpbb_container->get('php_ini');
        $func_overload            = $this->php_ini->getNumeric('mbstring.func_overload');
        $encoding_translation    = $this->php_ini->getString('mbstring.encoding_translation');
        $http_input                = $this->php_ini->getString('mbstring.http_input');
        $http_output            = $this->php_ini->getString('mbstring.http_output');
        $default_charset        = $this->php_ini->getString('default_charset');
        if (extension_loaded('mbstring'))
        {
            /**
             * “mbstring.http_input” and “mbstring.http_output” are deprecated as of PHP 5.6.0
             * @link https://www.php.net/manual/mbstring.configuration.php#ini.mbstring.http-input
             */
            $template->assign_vars([
                'S_MBSTRING_LOADED'                        => true,
                'S_MBSTRING_FUNC_OVERLOAD_FAIL'            => $func_overload && ($func_overload & (MB_OVERLOAD_MAIL | MB_OVERLOAD_STRING)),
                'S_MBSTRING_ENCODING_TRANSLATION_FAIL'    => $encoding_translation && ($encoding_translation != 0),
                'S_MBSTRING_HTTP_INPUT_FAIL'            => !empty($http_input),
                'S_MBSTRING_HTTP_OUTPUT_FAIL'            => !empty($http_output),
                'S_DEFAULT_CHARSET_FAIL'                => $default_charset !== null && strtolower($default_charset) !== 'utf-8',
            ]);
        }
        // Fill dbms version if not yet filled
        if (empty($config['dbms_version']))
        {
            $config->set('dbms_version', $db->sql_server_info(true));
        }
        $this->tpl_name = 'acp_main';
        $this->page_title = 'ACP_MAIN';
    }
}