public function display($id = null, $name = null, $page = null, $pid = null)
 {
     global $lang_common, $lang_post, $lang_topic, $lang_bbeditor, $pd;
     if ($this->user->g_read_board == '0') {
         message($lang_common['No view'], '403');
     }
     // Load the viewtopic.php language file
     require FEATHER_ROOT . 'lang/' . $this->user->language . '/topic.php';
     // Load the post.php language file
     require FEATHER_ROOT . 'lang/' . $this->user->language . '/post.php';
     // Antispam feature
     require FEATHER_ROOT . 'lang/' . $this->user->language . '/antispam.php';
     $index_questions = rand(0, count($lang_antispam_questions) - 1);
     // BBcode toolbar feature
     require FEATHER_ROOT . 'lang/' . $this->user['language'] . '/bbeditor.php';
     // Load the viewtopic.php model file
     require_once FEATHER_ROOT . 'model/viewtopic.php';
     // Fetch some informations about the topic TODO
     $cur_topic = $this->model->get_info_topic($id);
     // Sort out who the moderators are and if we are currently a moderator (or an admin)
     $mods_array = $cur_topic['moderators'] != '' ? unserialize($cur_topic['moderators']) : array();
     $is_admmod = $this->user->g_id == FEATHER_ADMIN || $this->user->g_moderator == '1' && array_key_exists($this->user->username, $mods_array) ? true : false;
     if ($is_admmod) {
         $admin_ids = get_admin_ids();
     }
     // Can we or can we not post replies?
     $post_link = $this->model->get_post_link($id, $cur_topic['closed'], $cur_topic['post_replies'], $is_admmod);
     // Add/update this topic in our list of tracked topics
     if (!$this->user->is_guest) {
         $tracked_topics = get_tracked_topics();
         $tracked_topics['topics'][$id] = time();
         set_tracked_topics($tracked_topics);
     }
     // Determine the post offset (based on $_GET['p'])
     $num_pages = ceil(($cur_topic['num_replies'] + 1) / $this->user->disp_posts);
     $p = !isset($page) || $page <= 1 || $page > $num_pages ? 1 : intval($page);
     $start_from = $this->user->disp_posts * ($p - 1);
     $url_topic = url_friendly($cur_topic['subject']);
     $url_forum = url_friendly($cur_topic['forum_name']);
     // Generate paging links
     $paging_links = '<span class="pages-label">' . $lang_common['Pages'] . ' </span>' . paginate($num_pages, $p, 'topic/' . $id . '/' . $url_topic . '/#');
     if ($this->config['o_censoring'] == '1') {
         $cur_topic['subject'] = censor_words($cur_topic['subject']);
     }
     $quickpost = $this->model->is_quickpost($cur_topic['post_replies'], $cur_topic['closed'], $is_admmod);
     $subscraction = $this->model->get_subscraction($cur_topic['is_subscribed'], $id);
     // Add relationship meta tags
     $page_head = $this->model->get_page_head($id, $num_pages, $p, $url_topic);
     $page_title = array(feather_escape($this->config['o_board_title']), feather_escape($cur_topic['forum_name']), feather_escape($cur_topic['subject']));
     define('FEATHER_ALLOW_INDEX', 1);
     define('FEATHER_ACTIVE_PAGE', 'viewtopic');
     $this->header->setTitle($page_title)->setPage($p)->setPagingLinks($paging_links)->setPageHead($page_head)->display();
     $forum_id = $cur_topic['forum_id'];
     require FEATHER_ROOT . 'include/parser.php';
     $this->feather->render('viewtopic.php', array('id' => $id, 'p' => $p, 'post_data' => $this->model->print_posts($id, $start_from, $cur_topic, $is_admmod), 'lang_common' => $lang_common, 'lang_topic' => $lang_topic, 'lang_post' => $lang_post, 'lang_bbeditor' => $lang_bbeditor, 'cur_topic' => $cur_topic, 'subscraction' => $subscraction, 'is_admmod' => $is_admmod, 'feather_config' => $this->config, 'paging_links' => $paging_links, 'post_link' => $post_link, 'start_from' => $start_from, 'lang_antispam' => $lang_antispam, 'pid' => $pid, 'quickpost' => $quickpost, 'index_questions' => $index_questions, 'lang_antispam_questions' => $lang_antispam_questions, 'url_forum' => $url_forum, 'url_topic' => $url_topic, 'feather' => $this->feather));
     // Increment "num_views" for topic
     $this->model->increment_views($id);
     $this->footer->display('viewtopic', $id, $p, $pid, $cur_topic['forum_id'], $num_pages);
 }

 public function markforumread($id)
 {
     global $lang_common;
     if ($this->user->is_guest) {
         message($lang_common['No permission'], '403');
     }
     // Load the misc.php language file
     require FEATHER_ROOT . 'lang/' . $this->user->language . '/misc.php';
     $tracked_topics = get_tracked_topics();
     $tracked_topics['forums'][$id] = time();
     set_tracked_topics($tracked_topics);
     redirect(get_link('forum/' . $id . '/'), $lang_misc['Mark forum read redirect']);
 }

 public function login()
 {
     global $db_type, $lang_login;
     $form_username = feather_trim($this->request->post('req_username'));
     $form_password = feather_trim($this->request->post('req_password'));
     $save_pass = $this->request->post('save_pass');
     $user = DB::for_table('users')->where('username', $form_username)->find_one();
     $authorized = false;
     if (!empty($user->password)) {
         $form_password_hash = feather_hash($form_password);
         // Will result in a SHA-1 hash
         // If the length isn't 40 then the password isn't using sha1, so it must be md5 from 1.2
         // Maybe this should be removed
         if (strlen($user->password) != 40) {
             if (md5($form_password) == $user->password) {
                 $authorized = true;
                 DB::for_table('users')->where('id', $user->id)->find_one()->set('password', $form_password_hash)->save();
             }
         } else {
             $authorized = $user->password == $form_password_hash;
         }
     }
     if (!$authorized) {
         message($lang_login['Wrong user/pass'] . ' <a href="' . get_link('login/action/forget/') . '">' . $lang_login['Forgotten pass'] . '</a>');
     }
     // Update the status if this is the first time the user logged in
     if ($user->group_id == FEATHER_UNVERIFIED) {
         DB::for_table('users')->where('id', $user->id)->find_one()->set('group_id', $this->config['o_default_user_group'])->save();
         // Regenerate the users info cache
         if (!defined('FORUM_CACHE_FUNCTIONS_LOADED')) {
             require FEATHER_ROOT . 'include/cache.php';
         }
         generate_users_info_cache();
     }
     // Remove this user's guest entry from the online list
     DB::for_table('online')->where('ident', get_remote_address())->delete_many();
     $expire = $save_pass == '1' ? time() + 1209600 : time() + $this->config['o_timeout_visit'];
     feather_setcookie($user->id, $form_password_hash, $expire);
     // Reset tracked topics
     set_tracked_topics(null);
     // Try to determine if the data in redirect_url is valid (if not, we redirect to index.php after login)
     $redirect_url = validate_redirect($this->request->post('redirect_url'), get_base_url());
     redirect(feather_escape($redirect_url), $lang_login['Login redirect']);
 }

     }
     ($hook = get_hook('li_logout_selected')) ? eval($hook) : null;
     // Remove user from "users online" list.
     $query = array('DELETE' => 'online', 'WHERE' => 'user_id=' . $forum_user['id']);
     ($hook = get_hook('li_logout_qr_delete_online_user')) ? eval($hook) : null;
     $forum_db->query_build($query) or error(__FILE__, __LINE__);
     // Update last_visit (make sure there's something to update it with)
     if (isset($forum_user['logged'])) {
         $query = array('UPDATE' => 'users', 'SET' => 'last_visit=' . $forum_user['logged'], 'WHERE' => 'id=' . $forum_user['id']);
         ($hook = get_hook('li_logout_qr_update_last_visit')) ? eval($hook) : null;
         $forum_db->query_build($query) or error(__FILE__, __LINE__);
     }
     $expire = time() + 1209600;
     forum_setcookie($cookie_name, base64_encode('1|' . random_key(8, false, true) . '|' . $expire . '|' . random_key(8, false, true)), $expire);
     // Reset tracked topics
     set_tracked_topics(null);
     ($hook = get_hook('li_logout_pre_redirect')) ? eval($hook) : null;
     redirect(forum_link($forum_url['index']), $lang_login['Logout redirect']);
 } else {
     if (0) {
         if (!$forum_user['is_guest']) {
             header('Location: ' . forum_link($forum_url['index']));
         }
         ($hook = get_hook('li_forgot_pass_selected')) ? eval($hook) : null;
         if (isset($_POST['form_sent'])) {
             // User pressed the cancel button
             if (isset($_POST['cancel'])) {
                 redirect(forum_link($forum_url['index']), $lang_login['New password cancel redirect']);
             }
             if (!defined('FORUM_EMAIL_FUNCTIONS_LOADED')) {
                 require FORUM_ROOT . 'include/email.php';

    check_forum_login_cookie($cur_topic['forum_id'], $cur_topic['password']);
}
if ($cur_topic['protected'] == '1' && $panther_user['username'] != $cur_topic['poster'] && !$is_admmod) {
    message($lang_common['No permission']);
}
if ($panther_config['o_archiving'] == '1' && $cur_topic['archived'] == '0') {
    if ($cur_topic['archived'] !== '2') {
        $archive_rules = unserialize($panther_config['o_archive_rules']);
        $cur_topic['archived'] = check_archive_rules($archive_rules, $id);
    }
}
// Add/update this topic in our list of tracked topics
if (!$panther_user['is_guest']) {
    $tracked_topics = get_tracked_topics();
    $tracked_topics['topics'][$id] = time();
    set_tracked_topics($tracked_topics);
}
// Preg replace is slow!
$url_subject = url_friendly($cur_topic['subject']);
$url_forum = url_friendly($cur_topic['forum_name']);
// Determine the post offset (based on $_GET['p'])
$num_pages = ceil(($cur_topic['num_replies'] + 1) / $panther_user['disp_posts']);
$p = !isset($_GET['p']) || $_GET['p'] <= 1 || $_GET['p'] > $num_pages ? 1 : intval($_GET['p']);
$start_from = $panther_user['disp_posts'] * ($p - 1);
if ($panther_config['o_censoring'] == '1') {
    $cur_topic['subject'] = censor_words($cur_topic['subject']);
}
$quickpost = false;
if ($panther_config['o_quickpost'] == '1' && $cur_topic['archived'] != '1' && ($cur_topic['post_replies'] == '1' || $cur_topic['post_replies'] == '' && $panther_user['g_post_replies'] == '1') && ($cur_topic['closed'] == '0' || $is_admmod)) {
    // Load the post.php language file
    require PANTHER_ROOT . 'lang/' . $panther_user['language'] . '/post.php';

function add_post($post_info, &$new_pid)
{
    global $forum_db, $db_type, $forum_config, $lang_common;
    $return = ($hook = get_hook('fn_add_post_start')) ? eval($hook) : null;
    if ($return != null) {
        return;
    }
    // Add the post
    $query = array('INSERT' => 'poster, poster_id, poster_ip, message, hide_smilies, posted, topic_id', 'INTO' => 'posts', 'VALUES' => '\'' . $forum_db->escape($post_info['poster']) . '\', ' . $post_info['poster_id'] . ', \'' . $forum_db->escape(get_remote_address()) . '\', \'' . $forum_db->escape($post_info['message']) . '\', ' . $post_info['hide_smilies'] . ', ' . $post_info['posted'] . ', ' . $post_info['topic_id']);
    // If it's a guest post, there might be an e-mail address we need to include
    if ($post_info['is_guest'] && $post_info['poster_email'] != null) {
        $query['INSERT'] .= ', poster_email';
        $query['VALUES'] .= ', \'' . $forum_db->escape($post_info['poster_email']) . '\'';
    }
    ($hook = get_hook('fn_add_post_qr_add_post')) ? eval($hook) : null;
    $forum_db->query_build($query) or error(__FILE__, __LINE__);
    $new_pid = $forum_db->insert_id();
    if (!$post_info['is_guest']) {
        // Subscribe or unsubscribe?
        if ($post_info['subscr_action'] == 1) {
            $query = array('INSERT' => 'user_id, topic_id', 'INTO' => 'subscriptions', 'VALUES' => $post_info['poster_id'] . ' ,' . $post_info['topic_id']);
            ($hook = get_hook('fn_add_post_qr_add_subscription')) ? eval($hook) : null;
            $forum_db->query_build($query) or error(__FILE__, __LINE__);
        } else {
            if ($post_info['subscr_action'] == 2) {
                $query = array('DELETE' => 'subscriptions', 'WHERE' => 'topic_id=' . $post_info['topic_id'] . ' AND user_id=' . $post_info['poster_id']);
                ($hook = get_hook('fn_add_post_qr_delete_subscription')) ? eval($hook) : null;
                $forum_db->query_build($query) or error(__FILE__, __LINE__);
            }
        }
    }
    // Count number of replies in the topic
    $query = array('SELECT' => 'COUNT(p.id)', 'FROM' => 'posts AS p', 'WHERE' => 'p.topic_id=' . $post_info['topic_id']);
    ($hook = get_hook('fn_add_post_qr_get_topic_reply_count')) ? eval($hook) : null;
    $result = $forum_db->query_build($query) or error(__FILE__, __LINE__);
    $num_replies = $forum_db->result($result, 0) - 1;
    // Update topic
    $query = array('UPDATE' => 'topics', 'SET' => 'num_replies=' . $num_replies . ', last_post=' . $post_info['posted'] . ', last_post_id=' . $new_pid . ', last_poster=\'' . $forum_db->escape($post_info['poster']) . '\'', 'WHERE' => 'id=' . $post_info['topic_id']);
    ($hook = get_hook('fn_add_post_qr_update_topic')) ? eval($hook) : null;
    $forum_db->query_build($query) or error(__FILE__, __LINE__);
    sync_forum($post_info['forum_id']);
    if (!defined('FORUM_SEARCH_IDX_FUNCTIONS_LOADED')) {
        require FORUM_ROOT . 'include/search_idx.php';
    }
    update_search_index('post', $new_pid, $post_info['message']);
    send_subscriptions($post_info, $new_pid);
    // Increment user's post count & last post time
    if (isset($post_info['update_user'])) {
        if ($post_info['is_guest']) {
            $query = array('UPDATE' => 'online', 'SET' => 'last_post=' . $post_info['posted'], 'WHERE' => 'ident=\'' . $forum_db->escape(get_remote_address()) . '\'');
        } else {
            $query = array('UPDATE' => 'users', 'SET' => 'num_posts=num_posts+1, last_post=' . $post_info['posted'], 'WHERE' => 'id=' . $post_info['poster_id']);
        }
        ($hook = get_hook('fn_add_post_qr_update_last_post')) ? eval($hook) : null;
        $forum_db->query_build($query) or error(__FILE__, __LINE__);
    }
    // If the posting user is logged in update his/her unread indicator
    if (!$post_info['is_guest'] && isset($post_info['update_unread']) && $post_info['update_unread']) {
        $tracked_topics = get_tracked_topics();
        $tracked_topics['topics'][$post_info['topic_id']] = time();
        set_tracked_topics($tracked_topics);
    }
    ($hook = get_hook('fn_add_post_end')) ? eval($hook) : null;
}

function check_cookie(&$pun_user)
{
    global $db, $db_type, $pun_config, $cookie_name, $cookie_seed;
    $now = time();
    // If the cookie is set and it matches the correct pattern, then read the values from it
    if (isset($_COOKIE[$cookie_name]) && preg_match('%^(\\d+)\\|([0-9a-fA-F]+)\\|(\\d+)\\|([0-9a-fA-F]+)$%', $_COOKIE[$cookie_name], $matches)) {
        $cookie = array('user_id' => intval($matches[1]), 'password_hash' => $matches[2], 'expiration_time' => intval($matches[3]), 'cookie_hash' => $matches[4]);
    }
    // If it has a non-guest user, and hasn't expired
    if (isset($cookie) && $cookie['user_id'] > 1 && $cookie['expiration_time'] > $now) {
        // If the cookie has been tampered with
        $is_authorized = pun_hash_equals(forum_hmac($cookie['user_id'] . '|' . $cookie['expiration_time'], $cookie_seed . '_cookie_hash'), $cookie['cookie_hash']);
        if (!$is_authorized) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        // Check if there's a user with the user ID and password hash from the cookie
        $result = $db->query('SELECT u.*, g.*, o.logged, o.idle FROM ' . $db->prefix . 'users AS u INNER JOIN ' . $db->prefix . 'groups AS g ON u.group_id=g.g_id LEFT JOIN ' . $db->prefix . 'online AS o ON o.user_id=u.id WHERE u.id=' . intval($cookie['user_id'])) or error('Unable to fetch user information', __FILE__, __LINE__, $db->error());
        $pun_user = $db->fetch_assoc($result);
        // If user authorisation failed
        $is_authorized = pun_hash_equals(forum_hmac($pun_user['password'], $cookie_seed . '_password_hash'), $cookie['password_hash']);
        if (!isset($pun_user['id']) || !$is_authorized) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        // Send a new, updated cookie with a new expiration timestamp
        $expire = $cookie['expiration_time'] > $now + $pun_config['o_timeout_visit'] ? $now + 1209600 : $now + $pun_config['o_timeout_visit'];
        pun_setcookie($pun_user['id'], $pun_user['password'], $expire);
        // Set a default language if the user selected language no longer exists
        if (!file_exists(PUN_ROOT . 'lang/' . $pun_user['language'])) {
            $pun_user['language'] = $pun_config['o_default_lang'];
        }
        // Set a default style if the user selected style no longer exists
        if (!file_exists(PUN_ROOT . 'style/' . $pun_user['style'] . '.css')) {
            $pun_user['style'] = $pun_config['o_default_style'];
        }
        if (!$pun_user['disp_topics']) {
            $pun_user['disp_topics'] = $pun_config['o_disp_topics_default'];
        }
        if (!$pun_user['disp_posts']) {
            $pun_user['disp_posts'] = $pun_config['o_disp_posts_default'];
        }
        // Define this if you want this visit to affect the online list and the users last visit data
        if (!defined('PUN_QUIET_VISIT')) {
            // Update the online list
            if (!$pun_user['logged']) {
                $pun_user['logged'] = $now;
                // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table
                switch ($db_type) {
                    case 'mysql':
                    case 'mysqli':
                    case 'mysql_innodb':
                    case 'mysqli_innodb':
                    case 'sqlite':
                        $db->query('REPLACE INTO ' . $db->prefix . 'online (user_id, ident, logged) VALUES(' . $pun_user['id'] . ', \'' . $db->escape($pun_user['username']) . '\', ' . $pun_user['logged'] . ')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error());
                        break;
                    default:
                        $db->query('INSERT INTO ' . $db->prefix . 'online (user_id, ident, logged) SELECT ' . $pun_user['id'] . ', \'' . $db->escape($pun_user['username']) . '\', ' . $pun_user['logged'] . ' WHERE NOT EXISTS (SELECT 1 FROM ' . $db->prefix . 'online WHERE user_id=' . $pun_user['id'] . ')') or error('Unable to insert into online list', __FILE__, __LINE__, $db->error());
                        break;
                }
                // Reset tracked topics
                set_tracked_topics(null);
            } else {
                // Special case: We've timed out, but no other user has browsed the forums since we timed out
                if ($pun_user['logged'] < $now - $pun_config['o_timeout_visit']) {
                    $db->query('UPDATE ' . $db->prefix . 'users SET last_visit=' . $pun_user['logged'] . ' WHERE id=' . $pun_user['id']) or error('Unable to update user visit data', __FILE__, __LINE__, $db->error());
                    $pun_user['last_visit'] = $pun_user['logged'];
                }
                $idle_sql = $pun_user['idle'] == '1' ? ', idle=0' : '';
                $db->query('UPDATE ' . $db->prefix . 'online SET logged=' . $now . $idle_sql . ' WHERE user_id=' . $pun_user['id']) or error('Unable to update online list', __FILE__, __LINE__, $db->error());
                // Update tracked topics with the current expire time
                if (isset($_COOKIE[$cookie_name . '_track'])) {
                    forum_setcookie($cookie_name . '_track', $_COOKIE[$cookie_name . '_track'], $now + $pun_config['o_timeout_visit']);
                }
            }
        } else {
            if (!$pun_user['logged']) {
                $pun_user['logged'] = $pun_user['last_visit'];
            }
        }
        $pun_user['is_guest'] = false;
        $pun_user['is_admmod'] = $pun_user['g_id'] == PUN_ADMIN || $pun_user['g_moderator'] == '1';
    } else {
        set_default_user();
    }
}

function set_preferences()
{
    global $db_type, $cookie_name;
    // Get Slim current session
    $feather = \Slim\Slim::getInstance();
    $now = time();
    // Set a default language if the user selected language no longer exists
    if (!file_exists(FEATHER_ROOT . 'lang/' . $feather->user->language)) {
        $feather->user->language = $feather->config['o_default_lang'];
    }
    // Set a default style if the user selected style no longer exists
    if (!file_exists(FEATHER_ROOT . 'style/' . $feather->user->style . '.css')) {
        $feather->user->style = $feather->config['o_default_style'];
    }
    if (!$feather->user->disp_topics) {
        $feather->user->disp_topics = $feather->config['o_disp_topics_default'];
    }
    if (!$feather->user->disp_posts) {
        $feather->user->disp_posts = $feather->config['o_disp_posts_default'];
    }
    // Define this if you want this visit to affect the online list and the users last visit data
    if (!defined('FEATHER_QUIET_VISIT')) {
        // Update the online list
        if (!$feather->user->logged) {
            $feather->user->logged = $now;
            // With MySQL/MySQLi/SQLite, REPLACE INTO avoids a user having two rows in the online table
            switch ($db_type) {
                case 'mysql':
                case 'mysqli':
                case 'mysql_innodb':
                case 'mysqli_innodb':
                case 'sqlite':
                case 'sqlite3':
                    \DB::for_table('online')->raw_execute('REPLACE INTO ' . $feather->prefix . 'online (user_id, ident, logged) VALUES(:user_id, :ident, :logged)', array(':user_id' => $feather->user->id, ':ident' => $feather->user->username, ':logged' => $feather->user->logged));
                    break;
                default:
                    \DB::for_table('online')->raw_execute('INSERT INTO ' . $feather->prefix . 'online (user_id, ident, logged) SELECT :user_id, :ident, :logged WHERE NOT EXISTS (SELECT 1 FROM ' . $feather->prefix . 'online WHERE user_id=:user_id)', array(':user_id' => $feather->user->id, ':ident' => $feather->user->username, ':logged' => $feather->user->logged));
                    break;
            }
            // Reset tracked topics
            set_tracked_topics(null);
        } else {
            // Special case: We've timed out, but no other user has browsed the forums since we timed out
            if ($feather->user->logged < $now - $feather->config['o_timeout_visit']) {
                \DB::for_table('users')->where('id', $feather->user->id)->find_one()->set('last_visit', $feather->user->logged)->save();
                $feather->user->last_visit = $feather->user->logged;
            }
            $idle_sql = $feather->user->idle == '1' ? ', idle=0' : '';
            \DB::for_table('online')->raw_execute('UPDATE ' . $feather->prefix . 'online SET logged=' . $now . $idle_sql . ' WHERE user_id=:user_id', array(':user_id' => $feather->user->id));
            // Update tracked topics with the current expire time
            $cookie_tracked_topics = $feather->getCookie($cookie_name . '_track');
            if (isset($cookie_tracked_topics)) {
                set_tracked_topics(json_decode($cookie_tracked_topics, true));
            }
        }
    } else {
        if (!$feather->user->logged) {
            $feather->user->logged = $feather->user->last_visit;
        }
    }
}

 public function increment_post_count($post, $new_tid)
 {
     if (!$this->user->is_guest) {
         DB::for_table('users')->where('id', $this->user->id)->find_one()->set('last_post', $post['time'])->set_expr('num_posts', 'num_posts+1')->save();
         // Promote this user to a new group if enabled
         if ($this->user->g_promote_next_group != 0 && $this->user->num_posts + 1 >= $this->user->g_promote_min_posts) {
             $new_group_id = $this->user->g_promote_next_group;
             DB::for_table('users')->where('id', $this->user->id)->find_one()->set('group_id', $new_group_id)->save();
         }
         // Topic tracking stuff...
         $tracked_topics = get_tracked_topics();
         $tracked_topics['topics'][$new_tid] = time();
         set_tracked_topics($tracked_topics);
     } else {
         // Update the last_post field for guests
         DB::for_table('online')->where('ident', get_remote_address())->find_one()->set('last_post', $post['time'])->save();
     }
 }

function check_cookie(&$pun_user)
{
    global $db, $db_type, $pun_config, $flux_config;
    $now = time();
    // If the cookie is set and it matches the correct pattern, then read the values from it
    if (isset($_COOKIE[$flux_config['cookie']['name']]) && preg_match('%^(\\d+)\\|([0-9a-fA-F]+)\\|(\\d+)\\|([0-9a-fA-F]+)$%', $_COOKIE[$flux_config['cookie']['name']], $matches)) {
        $cookie = array('user_id' => intval($matches[1]), 'password_hash' => $matches[2], 'expiration_time' => intval($matches[3]), 'cookie_hash' => $matches[4]);
    }
    // If it has a non-guest user, and hasn't expired
    if (isset($cookie) && $cookie['user_id'] > 1 && $cookie['expiration_time'] > $now) {
        // If the cookie has been tampered with
        if (forum_hmac($cookie['user_id'] . '|' . $cookie['expiration_time'], $flux_config['cookie']['seed'] . '_cookie_hash') != $cookie['cookie_hash']) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        // Check if there's a user with the user ID and password hash from the cookie
        $query = $db->select(array('user' => 'u.*', 'group' => 'g.*', 'logged' => 'o.logged', 'idle' => 'o.idle'), 'users AS u');
        $query->innerJoin('g', 'groups AS g', 'u.group_id = g.g_id');
        $query->leftJoin('o', 'online AS o', 'o.user_id = u.id');
        $query->where = 'u.id = :user_id';
        $params = array(':user_id' => $cookie['user_id']);
        $result = $query->run($params);
        unset($query, $params);
        // If the password is invalid
        if (empty($result) || forum_hmac($result[0]['password'], $flux_config['cookie']['seed'] . '_password_hash') !== $cookie['password_hash']) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            pun_setcookie(1, pun_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        $pun_user = $result[0];
        unset($result);
        // Send a new, updated cookie with a new expiration timestamp
        $expire = $cookie['expiration_time'] > $now + $pun_config['o_timeout_visit'] ? $now + 1209600 : $now + $pun_config['o_timeout_visit'];
        pun_setcookie($pun_user['id'], $pun_user['password'], $expire);
        // Set a default language if the user selected language no longer exists
        if (!file_exists(PUN_ROOT . 'lang/' . $pun_user['language'])) {
            $pun_user['language'] = $pun_config['o_default_lang'];
        }
        // Set a default style if the user selected style no longer exists
        if (!file_exists(PUN_ROOT . 'style/' . $pun_user['style'] . '.css')) {
            $pun_user['style'] = $pun_config['o_default_style'];
        }
        if (!$pun_user['disp_topics']) {
            $pun_user['disp_topics'] = $pun_config['o_disp_topics_default'];
        }
        if (!$pun_user['disp_posts']) {
            $pun_user['disp_posts'] = $pun_config['o_disp_posts_default'];
        }
        // Define this if you want this visit to affect the online list and the users last visit data
        if (!defined('PUN_QUIET_VISIT')) {
            // Update the online list
            if (!$pun_user['logged']) {
                $pun_user['logged'] = $now;
                // REPLACE INTO avoids a user having two rows in the online table
                $query = $db->replace(array('user_id' => ':user_id', 'logged' => ':logged'), 'online', array('ident' => ':ident'));
                $params = array(':user_id' => $pun_user['id'], ':ident' => $pun_user['username'], ':logged' => $pun_user['logged']);
                $query->run($params);
                unset($query, $params);
                // Reset tracked topics
                set_tracked_topics(null);
            } else {
                // Special case: We've timed out, but no other user has browsed the forums since we timed out
                if ($pun_user['logged'] < $now - $pun_config['o_timeout_visit']) {
                    $query = $db->update(array('last_visit' => ':logged'), 'users');
                    $query->where = 'id = :user_id';
                    $params = array(':logged' => $pun_user['logged'], ':user_id' => $pun_user['id']);
                    $query->run($params);
                    unset($query, $params);
                    $pun_user['last_visit'] = $pun_user['logged'];
                }
                $query = $db->update(array('logged' => ':now', 'idle' => '0'), 'online');
                $query->where = 'user_id = :user_id';
                $params = array(':now' => $now, ':user_id' => $pun_user['id']);
                $query->run($params);
                unset($query, $params);
                // Update tracked topics with the current expire time
                if (isset($_COOKIE[$flux_config['cookie']['name'] . '_track'])) {
                    forum_setcookie($flux_config['cookie']['name'] . '_track', $_COOKIE[$flux_config['cookie']['name'] . '_track'], $now + $pun_config['o_timeout_visit']);
                }
            }
        } else {
            if (!$pun_user['logged']) {
                $pun_user['logged'] = $pun_user['last_visit'];
            }
        }
        $pun_user['is_guest'] = false;
        $pun_user['is_admmod'] = $pun_user['g_id'] == PUN_ADMIN || $pun_user['g_moderator'] == '1';
    } else {
        set_default_user();
    }
}

function check_cookie(&$panther_user)
{
    global $db, $panther_config;
    $now = time();
    // If the cookie is set and it matches the correct pattern, then read the values from it
    if (isset($_COOKIE[$panther_config['o_cookie_name']]) && preg_match('%^(\\d+)\\|([0-9a-fA-F]+)\\|(\\d+)\\|([0-9a-fA-F]+)$%', $_COOKIE[$panther_config['o_cookie_name']], $matches)) {
        $cookie = array('user_id' => intval($matches[1]), 'password_hash' => $matches[2], 'expiration_time' => intval($matches[3]), 'cookie_hash' => $matches[4]);
    }
    // If it has a non-guest user, and hasn't expired
    if (isset($cookie) && $cookie['user_id'] > 1 && $cookie['expiration_time'] > $now) {
        // If the cookie has been tampered with
        if (!panther_hash_equals(hash_hmac('sha512', $cookie['user_id'] . '|' . $cookie['expiration_time'], $panther_config['o_cookie_seed'] . '_cookie_hash'), $cookie['cookie_hash'])) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            panther_setcookie(1, panther_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        $data = array(':id' => $cookie['user_id']);
        // Check if there's a user with the user ID and password hash from the cookie
        $ps = $db->run('SELECT u.*, g.*, o.logged, o.idle FROM ' . $db->prefix . 'users AS u INNER JOIN ' . $db->prefix . 'groups AS g ON u.group_id=g.g_id LEFT JOIN ' . $db->prefix . 'online AS o ON o.user_id=u.id WHERE u.id=:id', $data);
        $panther_user = $ps->fetch();
        // If user authorisation failed
        if (!isset($panther_user['id']) || !panther_hash_equals(hash_hmac('sha512', $panther_user['login_key'], $panther_config['o_cookie_seed'] . '_password_hash'), $cookie['password_hash'])) {
            $expire = $now + 31536000;
            // The cookie expires after a year
            panther_setcookie(1, panther_hash(uniqid(rand(), true)), $expire);
            set_default_user();
            return;
        }
        // Send a new, updated cookie with a new expiration timestamp
        $expire = $cookie['expiration_time'] > $now + $panther_config['o_timeout_visit'] ? $now + 1209600 : $now + $panther_config['o_timeout_visit'];
        panther_setcookie($panther_user['id'], $panther_user['login_key'], $expire);
        // Set a default language if the user selected language no longer exists
        if (!file_exists(PANTHER_ROOT . 'lang/' . $panther_user['language'])) {
            $panther_user['language'] = $panther_config['o_default_lang'];
        }
        $style_root = ($panther_config['o_style_path'] != 'style' ? $panther_config['o_style_path'] : PANTHER_ROOT . $panther_config['o_style_path']) . '/';
        // Set a default style if the user selected style no longer exists
        if (!file_exists($style_root . $panther_user['style'] . '.css')) {
            $panther_user['style'] = $panther_config['o_default_style'];
        }
        if (!$panther_user['disp_topics']) {
            $panther_user['disp_topics'] = $panther_config['o_disp_topics_default'];
        }
        if (!$panther_user['disp_posts']) {
            $panther_user['disp_posts'] = $panther_config['o_disp_posts_default'];
        }
        // Define this if you want this visit to affect the online list and the users last visit data
        if (!defined('PANTHER_QUIET_VISIT')) {
            // Update the online list
            if (!$panther_user['logged']) {
                $panther_user['logged'] = $now;
                $data = array(':id' => $panther_user['id'], ':ident' => $panther_user['username'], ':logged' => $panther_user['logged']);
                // REPLACE INTO avoids a user having two rows in the online table
                $db->run('REPLACE INTO ' . $db->prefix . 'online (user_id, ident, logged) VALUES (:id, :ident, :logged)', $data);
                // Reset tracked topics
                set_tracked_topics(null);
            } else {
                $data = array(':id' => $panther_user['id']);
                // Special case: We've timed out, but no other user has browsed the forums since we timed out
                if ($panther_user['logged'] < $now - $panther_config['o_timeout_visit']) {
                    $update = array('last_visit' => $panther_user['logged']);
                    $db->update('users', $update, 'id=:id', $data);
                    $panther_user['last_visit'] = $panther_user['logged'];
                }
                $update = array('logged' => $now);
                if ($panther_user['idle'] == '1') {
                    $update['idle'] = 0;
                }
                $db->update('online', $update, 'user_id=:id', $data);
                // Update tracked topics with the current expire time
                if (isset($_COOKIE[$panther_config['o_cookie_name'] . '_track'])) {
                    forum_setcookie($panther_config['o_cookie_name'] . '_track', $_COOKIE[$panther_config['o_cookie_name'] . '_track'], $now + $panther_config['o_timeout_visit']);
                }
            }
        } else {
            if (!$panther_user['logged']) {
                $panther_user['logged'] = $panther_user['last_visit'];
            }
        }
        $panther_user['is_guest'] = false;
        $panther_user['is_admmod'] = $panther_user['g_id'] == PANTHER_ADMIN || $panther_user['g_moderator'] == '1';
        $panther_user['is_admin'] = $panther_user['g_id'] == PANTHER_ADMIN || $panther_user['g_moderator'] == '1' && $panther_user['g_admin'] == '1';
        $panther_user['is_bot'] = false;
    } else {
        set_default_user();
    }
}