function ukko_install($settings)
 {
     if (!file_exists($settings['uri'])) {
         @mkdir($settings['uri'], 0777) or error("Couldn't create " . $settings['uri'] . ". Check permissions.", true);
     }
     file_write($settings['uri'] . '/ukko.js', Element('themes/ukko/ukko.js', array()));
 }

function ukko_build($action, $settings)
{
    $ukko = new ukko();
    $ukko->settings = $settings;
    file_write($settings['uri'] . '/index.html', $ukko->build());
    file_write($settings['uri'] . '/ukko.js', Element('themes/ukko/ukko.js', array()));
}

 function rrdtool_install($settings)
 {
     global $config;
     if (!is_numeric($settings['interval']) || $settings['interval'] < 1 || $settings['interval'] > 86400) {
         return array(false, 'Invalid interval: <strong>' . $settings['interval'] . '</strong>. Must be an integer greater than 1 and less than 86400.');
     }
     if (!is_numeric($settings['width']) || $settings['width'] < 1) {
         return array(false, 'Invalid width: <strong>' . $settings['width'] . '</strong>!');
     }
     if (!is_numeric($settings['height']) || $settings['height'] < 1) {
         return array(false, 'Invalid height: <strong>' . $settings['height'] . '</strong>!');
     }
     if (!in_array($settings['rate'], array('second', 'minute', 'day', 'hour', 'week', 'month', 'year'))) {
         return array(false, 'Invalid rate: <strong>' . $settings['rate'] . '</strong>!');
     }
     $job = '*/' . $settings['interval'] . ' * * * * php -q ' . str_replace('\\', '/', dirname(__FILE__)) . '/cron.php' . PHP_EOL;
     if (function_exists('system')) {
         $crontab = tempnam($config['tmp'], 'tinyboard-rrdtool');
         file_write($crontab, $job);
         @system('crontab ' . escapeshellarg($crontab), $ret);
         unlink($crontab);
         if ($ret === 0) {
             return '';
         }
         // it seems to install okay?
     }
     return array(true, '<h2>I couldn\'t install the crontab!</h2>' . 'In order to use this plugin, you must add the following crontab entry (`crontab -e`):' . '<pre>' . $job . '</pre>');
 }

function sitemap_build($action, $settings, $board)
{
    global $config;
    // Possible values for $action:
    //	- all (rebuild everything, initialization)
    //	- news (news has been updated)
    //	- boards (board list changed)
    //	- post (a post has been made)
    //	- thread (a thread has been made)
    if ($action != 'post-thread' && $action != 'post-delete') {
        return;
    }
    if ($settings['regen_time'] > 0) {
        if ($last_gen = @filemtime($settings['path'])) {
            if (time() - $last_gen < (int) $settings['regen_time']) {
                return;
            }
            // Too soon
        }
    }
    $boards = explode(' ', $settings['boards']);
    $threads = array();
    foreach ($boards as $board) {
        $query = query(sprintf("SELECT `id` AS `thread_id`, (SELECT `time` FROM ``posts_%s`` WHERE `thread` = `thread_id` OR `id` = `thread_id` ORDER BY `time` DESC LIMIT 1) AS `lastmod` FROM ``posts_%s`` WHERE `thread` IS NULL", $board, $board)) or error(db_error());
        $threads[$board] = $query->fetchAll(PDO::FETCH_ASSOC);
    }
    file_write($settings['path'], Element('themes/sitemap/sitemap.xml', array('settings' => $settings, 'config' => $config, 'threads' => $threads, 'boards' => $boards)));
}

function rand_build($action, $settings)
{
    $rand = new rand();
    $rand->settings = $settings;
    file_write($settings['uri'] . '/index.html', $rand->build());
    file_write($settings['uri'] . '/rand.js', Element('themes/rand/rand.js', array()));
}

 /**
  * 导出
  */
 public function siteExport($filename = '')
 {
     if (IS_POST) {
         $setting_db = M('setting');
         $data = array('type' => 'setting');
         $data['data'] = $setting_db->select();
         $data['verify'] = md5(var_export($data['data'], true) . $data['type']);
         //数据进行多次加密，防止数据泄露
         $data = base64_encode(gzdeflate(json_encode($data)));
         $uniqid = uniqid();
         $filename = UPLOAD_PATH . 'export/' . $uniqid . '.data';
         if (file_write($filename, $data)) {
             $this->success('导出成功', U('Setting/siteExport', array('filename' => $uniqid)));
         }
         $this->error('导出失败，请重试！');
     } else {
         //过滤特殊字符，防止非法下载文件
         $filename = str_replace(array('.', '/', '\\'), '', $filename);
         $filename = UPLOAD_PATH . 'export/' . $filename . '.data';
         if (!file_exist($filename)) {
             $this->error('非法访问');
         }
         header('Content-type: application/octet-stream');
         header('Content-Disposition: attachment; filename="站点设置.data"');
         echo file_read($filename);
         file_delete($filename);
     }
 }

 public static function build($action, $settings)
 {
     global $config;
     if ($action == 'all') {
         file_write($config['dir']['home'] . $settings['file'], zine::install($settings));
     }
 }

 public static function build($action, $settings)
 {
     global $config;
     if ($action == 'all' || $action == 'news') {
         file_write($config['dir']['home'] . $settings['file'], Basic::homepage($settings));
     }
 }

 public static function createroot($path, $root, $module)
 {
     // create directory $path if not exists
     if (is_dir($path)) {
         return false;
     }
     if (!mkdir($path, PHP_AS_NOBODY ? 0777 : 0755)) {
         return false;
     }
     if (!mkdir($path . '/CVS', PHP_AS_NOBODY ? 0777 : 0755)) {
         return false;
     }
     // write $path/CVS files
     if (!file_write($path . '/CVS/Root', $root)) {
         return false;
     }
     if (!file_write($path . '/CVS/Repository', $module)) {
         return false;
     }
     $entries = '';
     if (!file_write($path . '/CVS/Entries', $entries)) {
         return false;
     }
     return true;
 }

 public function build($settings, $board_name)
 {
     global $config, $board;
     openBoard($board_name);
     $recent_images = array();
     $recent_posts = array();
     $stats = array();
     $query = query(sprintf("SELECT *, `id` AS `thread_id`,\n\t\t\t\t(SELECT COUNT(`id`) FROM ``posts_%s`` WHERE `thread` = `thread_id`) AS `reply_count`,\n\t\t\t\t(SELECT SUM(`num_files`) FROM ``posts_%s`` WHERE `thread` = `thread_id` AND `num_files` IS NOT NULL) AS `image_count`,\n\t\t\t\t'%s' AS `board` FROM ``posts_%s`` WHERE `thread`  IS NULL ORDER BY `bump` DESC", $board_name, $board_name, $board_name, $board_name, $board_name)) or error(db_error());
     while ($post = $query->fetch(PDO::FETCH_ASSOC)) {
         $post['link'] = $config['root'] . $board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['thread'] ? $post['thread'] : $post['id']);
         $post['board_name'] = $board['name'];
         if ($post['embed'] && preg_match('/^https?:\\/\\/(\\w+\\.)?(?:youtube\\.com\\/watch\\?v=|youtu\\.be\\/)([a-zA-Z0-9\\-_]{10,11})(&.+)?$/i', $post['embed'], $matches)) {
             $post['youtube'] = $matches[2];
         }
         if (isset($post['files'])) {
             $files = json_decode($post['files']);
             if ($files[0]->file == 'deleted') {
                 continue;
             }
             $post['file'] = $config['uri_thumb'] . $files[0]->thumb;
         }
         $recent_posts[] = $post;
     }
     $required_scripts = array('js/jquery.min.js', 'js/jquery.mixitup.min.js', 'js/catalog.js');
     foreach ($required_scripts as $i => $s) {
         if (!in_array($s, $config['additional_javascript'])) {
             $config['additional_javascript'][] = $s;
         }
     }
     file_write($config['dir']['home'] . $board_name . '/catalog.html', Element('themes/catalog/catalog.html', array('settings' => $settings, 'config' => $config, 'boardlist' => createBoardlist(), 'recent_images' => $recent_images, 'recent_posts' => $recent_posts, 'stats' => $stats, 'board' => $board_name, 'link' => $config['root'] . $board['dir'])));
 }

function page_write($page, $postdata, $notimestamp = FALSE)
{
    global $trackback;
    if (PKWK_READONLY) {
        return;
    }
    // Do nothing
    $postdata = make_str_rules($postdata);
    // Create and write diff
    $oldpostdata = is_page($page) ? join('', get_source($page)) : '';
    $diffdata = do_diff($oldpostdata, $postdata);
    file_write(DIFF_DIR, $page, $diffdata);
    // Create backup
    make_backup($page, $postdata == '');
    // Is $postdata null?
    // Create wiki text
    file_write(DATA_DIR, $page, $postdata, $notimestamp);
    if ($trackback) {
        // TrackBack Ping
        $_diff = explode("\n", $diffdata);
        $plus = join("\n", preg_replace('/^\\+/', '', preg_grep('/^\\+/', $_diff)));
        $minus = join("\n", preg_replace('/^-/', '', preg_grep('/^-/', $_diff)));
        tb_send($page, $plus, $minus);
    }
    links_update($page);
}

function cache_set($file, $data, $dir = '')
{
    if (!is_string($data)) {
        $data = "<?php \r\ndefined('CURRENT_VERSION') or exit('Access Denied');\r\nreturn " . var_export($data, true) . ';';
    }
    $file = $dir ? "{$GLOBALS['config']['cache']['dir']}/{$dir}/{$file}" : "{$GLOBALS['config']['cache']['dir']}/{$file}";
    return file_write($file, $data);
}

 public static function build($action, $settings)
 {
     global $config;
     if ($action == 'all' || $action == 'bans.html') {
         file_write($config['dir']['home'] . $settings['file_bans'], PBanlist::homepage($settings));
     }
     if ($action == 'all' || $action == 'bans') {
         file_write($config['dir']['home'] . $settings['file_json'], PBanlist::gen_json($settings));
     }
 }

function cron_track_running($mode)
{
    @define('CRON_STARTMARK', TRIGGERS_DIR . 'cron_started_at_' . date('Y-m-d_H-i-s') . '_by_pid_' . getmypid());
    if ($mode == 'start') {
        cron_touch_lock_file(CRON_RUNNING);
        file_write('', CRON_STARTMARK);
    } elseif ($mode == 'end') {
        @unlink(CRON_STARTMARK);
    }
}

function plugin_unfreeze_action()
{
    global $script, $vars, $function_freeze;
    global $_title_isunfreezed, $_title_unfreezed, $_title_unfreeze;
    global $_msg_invalidpass, $_msg_unfreezing, $_btn_unfreeze;
    $page = isset($vars['page']) ? $vars['page'] : '';
    if (!$function_freeze || !is_page($page)) {
        return array('msg' => '', 'body' => '');
    }
    $pass = isset($vars['pass']) ? $vars['pass'] : NULL;
    $msg = $body = '';
    if (!is_freeze($page)) {
        // Unfreezed already
        $msg =& $_title_isunfreezed;
        $body = str_replace('$1', htmlspecialchars(strip_bracket($page)), '<p>' . $_title_isunfreezed . '</p>');
    } else {
        if ($pass !== NULL && pkwk_login($pass)) {
            // Unfreeze
            $postdata = get_source($page);
            array_shift($postdata);
            $postdata = join('', $postdata);
            file_write(DATA_DIR, $page, $postdata, TRUE);
            // Update
            is_freeze($page, TRUE);
            if (PLUGIN_UNFREEZE_EDIT) {
                $vars['cmd'] = 'read';
                // To show 'Freeze' link
                $msg =& $_title_unfreezed;
                $body = edit_form($page, $postdata);
            } else {
                $vars['cmd'] = 'read';
                $msg =& $_title_unfreezed;
                $body = '';
            }
        } else {
            // Show unfreeze form
            // kazuwaya
            $msg =& $_title_unfreeze;
            $s_page = htmlspecialchars($page);
            $body = $pass === NULL ? '' : "<p><strong>{$_msg_invalidpass}</strong></p>\n";
            $body .= <<<EOD
<p>{$_msg_unfreezing}</p>
<form action="{$script}" method="post">
 <p>
  <input type="hidden"   name="cmd"  value="unfreeze" />
  <input type="hidden"   name="page" value="{$s_page}" />
  <input type="password" name="pass" size="12" />
  <input type="submit"   name="ok"   value="{$_btn_unfreeze}" />
 </p>
</form>
EOD;
        }
    }
    return array('msg' => $msg, 'body' => $body);
}

 public function build($action, $settings)
 {
     global $config, $_theme;
     /*if ($action == 'all') {
     			copy('templates/themes/recent/' . $settings['basecss'], $config['dir']['home'] . $settings['css']);
     		}*/
     $this->excluded = explode(' ', $settings['exclude']);
     if ($action == 'all' || $action == 'post' || $action == 'post-thread' || $action == 'post-delete') {
         file_write($config['dir']['home'] . $settings['xml'], $this->homepage($settings));
     }
 }

 private function post()
 {
     global $_W, $engine;
     if (!in_array($this->message['msgtype'], array('text', 'image'))) {
         return false;
     }
     $member = $this->getMember();
     $wall = pdo_fetch("SELECT * FROM " . tablename('wxwall_reply') . " WHERE rid = :rid LIMIT 1", array(':rid' => $member['rid']));
     if (!empty($wall['timeout']) && $wall['timeout'] > 0 && TIMESTAMP - $member['lastupdate'] >= $wall['timeout']) {
         $this->endContext();
         return $this->respText('由于您长时间未操作，请重新进入微信墙！');
     }
     $this->refreshContext();
     if (empty($wall['quit_command']) && $this->message['content'] == '退出' || !empty($wall['quit_command']) && $this->message['content'] == $wall['quit_command']) {
         $this->endContext();
         return $this->respText($wall['quit_tips']);
     }
     if (empty($member['nickname']) || empty($member['avatar'])) {
         return $this->respText('发表话题前请完善您的基本信息，<a target="_blank" href="' . $this->createMobileUrl('register') . '">点击完善</a>。');
     }
     $data = array('rid' => $member['rid'], 'from_user' => $_W['member']['uid'], 'type' => $this->message['type'], 'createtime' => TIMESTAMP);
     if (empty($wall['isshow']) && empty($member['isblacklist'])) {
         $data['isshow'] = 1;
     } else {
         $data['isshow'] = 0;
     }
     if ($this->message['type'] == 'text') {
         $data['content'] = $this->message['content'];
     }
     if ($this->message['type'] == 'image') {
         load()->func('communication');
         $image = ihttp_request($this->message['picurl']);
         $partPath = IA_ROOT . '/' . $_W['config']['upload']['attachdir'] . '/';
         do {
             $filename = "images/{$_W['uniacid']}/" . date('Y/m/') . random(30) . '.jpg';
         } while (file_exists($partPath . $filename));
         file_write($filename, $image['content']);
         $data['content'] = $filename;
     }
     if ($this->message['type'] == 'link') {
         $data['content'] = iserializer(array('title' => $this->message['title'], 'description' => $this->message['description'], 'link' => $this->message['link']));
     }
     pdo_insert('wxwall_message', $data);
     if (!empty($member['isblacklist'])) {
         $content .= '你已被列入黑名单，发送的消息需要管理员审核！';
     } elseif (!empty($wall['isshow'])) {
         $content = '发送消息成功，请等待管理员审核';
     } elseif (!empty($wall['send_tips'])) {
         $content = $wall['send_tips'];
     } else {
         $content = '发送消息成功。';
     }
     return $this->respText($content);
 }

 private function setbg($bg, $fan)
 {
     global $_W;
     load()->func('communication');
     load()->func('file');
     $bg = tomedia($bg);
     $file = ihttp_get($bg);
     $file = $file['content'];
     $img = '/images/' . $_W['uniacid'] . '/hx_qr/img/' . $fan['id'] . '.jpg';
     file_write($img, $file);
     return $img;
 }

function ukko_build($action, $settings)
{
    global $config;
    $ukko = new ukko();
    $ukko->settings = $settings;
    if (!($action == 'all' || $action == 'post' || $action == 'post-thread' || $action == 'post-delete')) {
        return;
    }
    if ($config['smart_build']) {
        file_unlink($settings['uri'] . '/index.html');
    } else {
        file_write($settings['uri'] . '/index.html', $ukko->build());
    }
}

function plugin_freeze_action()
{
    global $script, $vars, $function_freeze;
    $_title_isfreezed = _(' $1 has already been frozen');
    $_title_freezed = _(' $1 has been frozen.');
    $_title_freeze = _('Freeze  $1');
    $_msg_invalidpass = _('Invalid password.');
    $_msg_freezing = _('Please input the password for freezing.');
    $_btn_freeze = _('Freeze');
    $page = isset($vars['page']) ? $vars['page'] : '';
    if (!$function_freeze || is_cantedit($page) || !is_page($page)) {
        return array('msg' => '', 'body' => '');
    }
    $pass = isset($vars['pass']) ? $vars['pass'] : NULL;
    $msg = $body = '';
    if (is_freeze($page)) {
        // Freezed already
        $msg =& $_title_isfreezed;
        $body = str_replace('$1', htmlspecialchars(strip_bracket($page)), $_title_isfreezed);
    } else {
        if (!auth::check_role('role_adm_contents') || $pass !== NULL && pkwk_login($pass)) {
            // Freeze
            $postdata = get_source($page);
            array_unshift($postdata, "#freeze\n");
            file_write(DATA_DIR, $page, join('', $postdata), TRUE);
            // Update
            is_freeze($page, TRUE);
            $vars['cmd'] = 'read';
            $msg =& $_title_freezed;
            $body = '';
        } else {
            // Show a freeze form
            $msg =& $_title_freeze;
            $s_page = htmlspecialchars($page);
            $body = $pass === NULL ? '' : "<p><strong>{$_msg_invalidpass}</strong></p>\n";
            $body .= <<<EOD
<p>{$_msg_freezing}</p>
<form action="{$script}" method="post">
 <div>
  <input type="hidden"   name="cmd"  value="freeze" />
  <input type="hidden"   name="page" value="{$s_page}" />
  <input type="password" name="pass" size="12" />
  <input type="submit"   name="ok"   value="{$_btn_freeze}" />
 </div>
</form>
EOD;
        }
    }
    return array('msg' => $msg, 'body' => $body);
}