<?php

/**
 * @Project NUKEVIET 4.x
 * @Author Dương Minh (bmduong_k6@yahoo.com)
 * @Copyright (C) 2020 OPTIMUS TECHNOLOGY SOLUTIONS CO,. LTD. All rights reserved
 * @License GNU/GPL version 2 or any later version
 * @Createdate 01-7-2020 08:00
*/

define('NV_SYSTEM', true);

// Xac dinh thu muc goc cua site
define('NV_ROOTDIR', pathinfo(str_replace(DIRECTORY_SEPARATOR, '/', __file__), PATHINFO_DIRNAME));

require NV_ROOTDIR . '/includes/mainfile.php';

require NV_ROOTDIR . '/includes/core/user_functions.php';

// Check user
if (defined('NV_IS_USER')) {
    trigger_error('Hacking attempt', 256);
}
require NV_ROOTDIR . '/includes/core/is_user.php';

// Cap nhat trang thai online
if ($global_config['online_upd'] AND !defined('NV_IS_AJAX') AND !defined('NV_IS_MY_USER_AGENT')) {
    require NV_ROOTDIR . '/includes/core/online.php';
}

// Thong ke
if ($global_config['statistic'] AND !defined('NV_IS_AJAX') AND !defined('NV_IS_MY_USER_AGENT')) {
    if (!$nv_Request->isset_request('statistic_' . NV_LANG_DATA, 'cookie')) {
        require NV_ROOTDIR . '/includes/core/stat.php';
    }
}

// Referer + Gqueries
if ($client_info['is_myreferer'] === 0 AND !defined('NV_IS_MY_USER_AGENT')) {
    require NV_ROOTDIR . '/includes/core/referer.php';
}

// Google Sitemap
if ($nv_Request->isset_request(NV_NAME_VARIABLE, 'get') AND $nv_Request->get_string(NV_NAME_VARIABLE, 'get') == 'SitemapIndex') {
    if (file_exists(NV_ROOTDIR . '/sitemap.xml')) {
        $content = file_get_contents(NV_ROOTDIR . '/sitemap.xml');
        nv_xmlOutput($content, NV_CURRENTTIME);
        exit();
    }
    
    nv_xmlSitemapIndex_generate();
    die();
}

if ($nv_Request->isset_request(NV_NAME_VARIABLE, 'get') OR $nv_Request->isset_request(NV_NAME_VARIABLE, 'post')) {
    $module_name = $nv_Request->get_string(NV_NAME_VARIABLE, 'post,get');

    if (empty($module_name)) {
        $module_name = $global_config['rewrite_op_mod'];
    }
} else {
    $module_name = $global_config['site_home_module'];
}

$home = ($module_name == $global_config['site_home_module']) ? 1 : 0;

if (preg_match($global_config['check_module'], $module_name)) {
    $site_mods = nv_site_mods();
    // IMG thong ke truy cap + online
    if ($global_config['statistic'] AND isset($sys_mods['statistics']) AND $nv_Request->get_string('second', 'get') == 'statimg') {
        include_once NV_ROOTDIR . '/includes/core/statimg.php';
    }
    // ====

    $op = $nv_Request->get_string(NV_OP_VARIABLE, 'post,get', '');
    if (empty($op)) {
        $op = 'main';
    }

    if ($home AND $op != 'main') {
        $home = 0;
    }

    if (!empty($global_config['rewrite_op_mod']) AND !isset($sys_mods[$module_name])) {
        $op = ($op == 'main') ? $module_name : $module_name . '/' . $op;
        $module_name = $global_config['rewrite_op_mod'];
    }

    // Kiểm tra module có trong hệ thống hay không
    if (isset($site_mods[$module_name])) {
        // SSL
        if ($global_config['ssl_https'] === 3 AND !empty($global_config['ssl_https_modules']) AND in_array($module_name, $global_config['ssl_https_modules']) AND (!isset($_SERVER['HTTPS']) OR $_SERVER['HTTPS'] == 'off')) {
            header("HTTP/1.1 301 Moved Permanently");
            header("Location: https://" . $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"]);
            exit();
        }

        // Global variable for module
        $module_info = $site_mods[$module_name];
        $module_file = $module_info['module_file'];
        $module_data = $module_info['module_data'];
        $module_upload = $module_info['module_upload'];
        $include_file = NV_ROOTDIR . '/modules/' . $module_file . '/funcs/main.php';
        
        if (file_exists($include_file)) {
          if (empty($global_config['switch_mobi_des'])) {
          	$global_config['array_theme_type'] = array_diff($global_config['array_theme_type'], array('m'));
          }
            // Tuy chon kieu giao dien
            if ($nv_Request->isset_request('nv' . NV_LANG_DATA . 'themever', 'get')) {
                $theme_type = $nv_Request->get_title('nv' . NV_LANG_DATA . 'themever', 'get', '', 1);
                if (in_array($theme_type, $global_config['array_theme_type'])) {
                    $nv_Request->set_Cookie('nv' . NV_LANG_DATA . 'themever', $theme_type, NV_LIVE_COOKIE_TIME);
                }

                $nv_redirect = nv_get_redirect('get', true);
                if (empty($nv_redirect)) {
                    $nv_redirect = NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA;
                }
                Header('Location: ' . nv_url_rewrite($nv_redirect));
                die();
            }

            // Xac dinh cac $op, $array_op
            $array_op = array();

            if (!preg_match('/^[a-z0-9\-\_\/\+]+$/i', $op)) {
                Header('Location: ' . nv_url_rewrite(NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA . '&' . NV_NAME_VARIABLE . '=' . $module_name, true));
                die();
            }

            if ($op != 'main' AND !isset($module_info['funcs'][$op])) {
                $array_op = explode('/', $op);
                $op = (isset($module_info['funcs'][$array_op[0]])) ? $array_op[0] : 'main';
            }

            // Xac dinh quyen dieu hanh module
            if ($module_info['is_modadmin']) {
                define('NV_IS_MODADMIN', true);
            }

            if (defined('NV_IS_MODADMIN')) {
                $drag_block = $nv_Request->get_int('drag_block', 'session', 0);
                if ($nv_Request->isset_request('drag_block', 'get')) {
                    $drag_block = $nv_Request->get_int('drag_block', 'get', 0);
                    $nv_Request->set_Session('drag_block', $drag_block);

                    $nv_redirect = nv_get_redirect('get', true);

                    if (empty($nv_redirect)) {
                        $nv_redirect = NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA . '&' . NV_NAME_VARIABLE . '=' . $module_name;
                    }
                    Header('Location: ' . nv_url_rewrite($nv_redirect, true));
                    die();
                }
                if ($drag_block) {
                    define('NV_IS_DRAG_BLOCK', true);
                    $adm_int_lang = $nv_Request->get_string('int_lang', 'cookie');
                    if ($adm_int_lang != NV_LANG_DATA) {
                        $nv_Request->set_Cookie('int_lang', NV_LANG_DATA, NV_LIVE_COOKIE_TIME);
                    }
                }
            }

            // Ket noi ngon ngu cua module
            if (file_exists(NV_ROOTDIR . '/modules/' . $module_file . '/language/' . NV_LANG_INTERFACE . '.php')) {
                require NV_ROOTDIR . '/modules/' . $module_file . '/language/' . NV_LANG_INTERFACE . '.php';
            } elseif (file_exists(NV_ROOTDIR . '/modules/' . $module_file . '/language/' . $global_config['site_lang'] . '.php')) {
                require NV_ROOTDIR . '/modules/' . $module_file . '/language/' . $global_config['site_lang'] . '.php';
            }

            // Xac dinh kieu giao dien mac dinh
            $global_config['current_theme_type'] = $nv_Request->get_string('nv' . NV_LANG_DATA . 'themever', 'cookie', '');
            if(!in_array($global_config['current_theme_type'],$global_config['array_theme_type'])) {
            	$global_config['current_theme_type'] = '';
            	$nv_Request->set_Cookie('nv' . NV_LANG_DATA . 'themever', '', NV_LIVE_COOKIE_TIME);
            }

            // Xac dinh giao dien chung
            $is_mobile = false;
            $theme_type = '';
            $_theme_mobile = empty($module_info['mobile']) ? $global_config['mobile_theme'] : (($module_info['mobile'] == ':pcsite') ? $global_config['site_theme'] : (($module_info['mobile'] == ':pcmod') ? $module_info['theme'] : $module_info['mobile']));
            if ((($client_info['is_mobile'] AND (empty($global_config['current_theme_type']) OR empty($global_config['switch_mobi_des']))) OR ($global_config['current_theme_type'] == 'm' AND !empty($global_config['switch_mobi_des']))) AND !empty($_theme_mobile) AND file_exists(NV_ROOTDIR . '/themes/' . $_theme_mobile . '/theme.php')) {
                $global_config['module_theme'] = $_theme_mobile;
                $is_mobile = true;
                $theme_type = 'm';
            } else {
                if (empty($global_config['current_theme_type']) AND ($client_info['is_mobile'] OR empty($_theme_mobile))) {
                    $global_config['current_theme_type'] = 'r';
                }

                $_theme = (!empty($module_info['theme'])) ? $module_info['theme'] : $global_config['site_theme'];
                if (!empty($_theme) AND file_exists(NV_ROOTDIR . '/themes/' . $_theme . '/theme.php')) {
                    $global_config['module_theme'] = $_theme;
                    $theme_type = $global_config['current_theme_type'];
                } elseif (file_exists(NV_ROOTDIR . '/themes/default/theme.php')) {
                    $global_config['module_theme'] = 'default';
                    $theme_type = $global_config['current_theme_type'];
                } else {
                    trigger_error('Error! Does not exist themes default', 256);
                }
            }

            // Xac lap lai giao kieu giao dien hien tai
            if ($theme_type != $global_config['current_theme_type']) {
                $global_config['current_theme_type'] = $theme_type;
                $nv_Request->set_Cookie('nv' . NV_LANG_DATA . 'themever', $theme_type, NV_LIVE_COOKIE_TIME);
            }
            unset($theme_type);

            // Xac dinh layout funcs cua module
            $cache_file = NV_LANG_DATA . '_' . md5($module_name . '_' . $global_config['module_theme']) . '_' . NV_CACHE_PREFIX . '.cache';
            if (($cache = $nv_Cache->getItem('modules', $cache_file)) != false) {
                $module_info['layout_funcs'] = unserialize($cache);
            } else {
                $module_info['layout_funcs'] = array();
                $sth = $db->prepare('SELECT f.alias, t.layout FROM ' . NV_MODFUNCS_TABLE . ' f
					INNER JOIN ' . NV_PREFIXLANG . '_modthemes t ON f.func_id=t.func_id
					WHERE f.in_module = :module AND t.theme= :theme');
                $sth->bindParam(':module', $module_name, PDO::PARAM_STR);
                $sth->bindParam(':theme', $global_config['module_theme'], PDO::PARAM_STR);
                $sth->execute();
                while ($row = $sth->fetch()) {
                    $module_info['layout_funcs'][$row['alias']] = $row['layout'];
                }
                $sth->closeCursor();

                $cache = serialize($module_info['layout_funcs']);
                $nv_Cache->setItem('modules', $cache_file, $cache);
            }

            // Doc file cau hinh giao dien
            $themeConfig = nv_object2array(simplexml_load_file(NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/config.ini'));
            require NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/theme.php';

            // Ket noi ngon ngu theo theme
            if (file_exists(NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/language/' . NV_LANG_INTERFACE . '.php')) {
                require NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/language/' . NV_LANG_INTERFACE . '.php';
            } elseif (file_exists(NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/language/en.php')) {
                require NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/language/en.php';
            }

            // Xac dinh template module
            $module_info['template'] = $global_config['module_theme'];
            if (!file_exists(NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/modules/' . $module_info['module_theme'])) {
                if (file_exists(NV_ROOTDIR . '/themes/default/modules/' . $module_info['module_theme'])) {
                    $module_info['template'] = 'default';
                }
            }

            // Ket noi voi file functions.php của module
            if (file_exists(NV_ROOTDIR . '/modules/' . $module_file . '/functions.php')) {
                require NV_ROOTDIR . '/modules/' . $module_file . '/functions.php';
            }

            // thay đổi title theo module
            $meta_property['og:title'] = $global_config['site_name'];

            // Xac dinh op file
            $op_file = 'main';
            if (isset($module_info['funcs'][$op])) {
                $op_file = $module_info['funcs'][$op]['func_file'];
            } else {
                foreach ($module_data['funcs'] as $_func) {
                    if ($_func['func_name'] == $op) {
                        $op_file = $_func['func_file'];
                    }
                }
            }

            if (file_exists(NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/modules/' . $module_info['module_theme'] . '/theme.php')) {
                require NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/modules/' . $module_info['module_theme'] . '/theme.php';
            } elseif (file_exists(NV_ROOTDIR . '/modules/' . $module_file . '/theme.php')) {
                require NV_ROOTDIR . '/modules/' . $module_file . '/theme.php';
            }

            // Ket noi voi cac op cua module de thuc hien
            if ($is_mobile AND file_exists(NV_ROOTDIR . '/modules/' . $module_file . '/mobile/' . $op_file . '.php')) {
                require NV_ROOTDIR . '/modules/' . $module_file . '/mobile/' . $op_file . '.php';
            } else {
                require NV_ROOTDIR . '/modules/' . $module_file . '/funcs/' . $op_file . '.php';
            }

            exit();
        } elseif (isset($module_info['funcs']['main'])) {
            $sth = $db->prepare('UPDATE ' . NV_MODULES_TABLE . ' SET act=2 WHERE title= :title');
            $sth->bindParam(':title', $module_name, PDO::PARAM_STR);
            $sth->execute();

            nv_insert_notification('modules', 'auto_deactive_module', array(
                'custom_title' => $site_mods[$module_name]['custom_title']
            ));
            $nv_Cache->delMod('modules');
        }
    } elseif (isset($sys_mods[$module_name])) {
        $groups_view = (string) $sys_mods[$module_name]['groups_view'];
        if (!defined('NV_IS_USER') AND $groups_view == '4') {
            Header('Location: ' . nv_url_rewrite(NV_BASE_SITEURL . 'index.php?' . NV_LANG_VARIABLE . '=' . NV_LANG_DATA . '&' . NV_NAME_VARIABLE . '=users&' . NV_OP_VARIABLE . '=login&nv_redirect=' . nv_redirect_encrypt($client_info['selfurl']), true));
            die();
        } elseif (!defined('NV_IS_ADMIN') AND ($groups_view == '2' OR $groups_view == '1')) {
            // Exit
            nv_info_die($lang_global['error_404_title'], $lang_global['site_info'], $lang_global['module_for_admin'], 404);
        } elseif (defined('NV_IS_USER') AND !nv_user_in_groups($groups_view)) {
            nv_info_die($lang_global['error_404_title'], $lang_global['error_404_title'], $lang_global['error_404_content'], 404);
        }
    }
}

nv_info_die($lang_global['error_404_title'], $lang_global['error_404_title'], $lang_global['error_404_content'], 404);