<?php
/**
 * WebEngine CMS
 * https://webenginecms.org/
 * 
 * @version 1.2.0
 * @author Lautaro Angelico <http://lautaroangelico.com/>
 * @copyright (c) 2013-2019 Lautaro Angelico, All Rights Reserved
 * 
 * Licensed under the MIT license
 * http://opensource.org/licenses/MIT
 */

//session_name('WebEngine120'); # session name (change to your server name and uncomment)
//session_set_cookie_params(0, '/', 'muonline.com'); # same session with and without www protocol (edit with your domain and uncomment)
if(access != 'cron') {
	@ob_start();
	session_start();
}

# Version
define('__WEBENGINE_VERSION__', '1.2.0');

# Set Encoding
@ini_set('default_charset', 'utf-8');

# CloudFlare IP Workaround
if(isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
  $_SERVER['REMOTE_ADDR'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
}

# CloudFlare HTTPS Workaround
if(!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])){
	$_SERVER['HTTPS'] = $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https' ? 'on' : 'off';
}

# Global Paths
define('HTTP_HOST', isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'CLI');
define('SERVER_PROTOCOL', (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://');
define('__ROOT_DIR__', str_replace('\\','/',dirname(dirname(__FILE__))).'/'); // /home/user/public_html/
define('__RELATIVE_ROOT__', (!empty($_SERVER['SCRIPT_NAME'])) ? str_ireplace(rtrim(str_replace('\\','/', realpath(str_replace($_SERVER['SCRIPT_NAME'], '', $_SERVER['SCRIPT_FILENAME']))), '/'), '', __ROOT_DIR__) : '/');// /
define('__BASE_URL__', SERVER_PROTOCOL.HTTP_HOST.__RELATIVE_ROOT__); // http(s)://www.mysite.com/

# Private Paths
define('__PATH_INCLUDES__', __ROOT_DIR__.'includes/');
define('__PATH_TEMPLATES__', __ROOT_DIR__.'templates/');
define('__PATH_LANGUAGES__', __PATH_INCLUDES__ . 'languages/');
define('__PATH_CLASSES__', __PATH_INCLUDES__.'classes/');
define('__PATH_FUNCTIONS__', __PATH_INCLUDES__.'functions/');
define('__PATH_MODULES__', __ROOT_DIR__.'modules/');
define('__PATH_MODULES_USERCP__', __PATH_MODULES__.'usercp/');
define('__PATH_EMAILS__', __PATH_INCLUDES__.'emails/');
define('__PATH_CACHE__', __PATH_INCLUDES__.'cache/');
define('__PATH_ADMINCP__', __ROOT_DIR__.'admincp/');
define('__PATH_ADMINCP_INC__', __ROOT_DIR__.'admincp/inc/');
define('__PATH_ADMINCP_MODULES__', __ROOT_DIR__.'admincp/modules/');
define('__PATH_NEWS_CACHE__', __PATH_CACHE__.'news/');
define('__PATH_NEWS_TRANSLATIONS_CACHE__', __PATH_NEWS_CACHE__.'translations/');
define('__PATH_PLUGINS__', __PATH_INCLUDES__.'plugins/');
define('__PATH_CONFIGS__', __PATH_INCLUDES__.'config/');
define('__PATH_MODULE_CONFIGS__', __PATH_CONFIGS__.'modules/');
define('__PATH_CRON__', __PATH_INCLUDES__.'cron/');
define('__PATH_LOGS__', __PATH_INCLUDES__.'logs/');

# Public Paths
define('__PATH_MODULES_RANKINGS__', __BASE_URL__.'rankings/');
define('__PATH_ADMINCP_HOME__', __BASE_URL__.'admincp/');
define('__PATH_IMG__', __BASE_URL__.'img/');
define('__PATH_COUNTRY_FLAGS__', __PATH_IMG__.'flags/');
define('__PATH_API__', __BASE_URL__.'api/');
define('__PATH_ONLINE_STATUS__', __PATH_IMG__.'online.png');
define('__PATH_OFFLINE_STATUS__', __PATH_IMG__.'offline.png');

# Other Paths
define('WEBENGINE_DATABASE_ERRORLOG', __PATH_LOGS__.'database_errors.log');
define('WEBENGINE_WRITABLE_PATHS', __PATH_CONFIGS__.'writable.paths.json');

# WebEngine CMS Tables
if(!@include_once(__PATH_CONFIGS__ . 'webengine.tables.php')) throw new Exception('Could not load WebEngine CMS table definitions.');

# Timezone
if(!@include_once(__PATH_CONFIGS__ . 'timezone.php')) throw new Exception('Could not load timezone.');

# Load Libraries
if(!@include_once(__PATH_CLASSES__ . 'class.database.php')) throw new Exception('Could not load class (database).');
if(!@include_once(__PATH_CLASSES__ . 'class.common.php')) throw new Exception('Could not load class (common).');
if(!@include_once(__PATH_CLASSES__ . 'class.handler.php')) throw new Exception('Could not load class (handler).');
if(!@include_once(__PATH_CLASSES__ . 'class.validator.php')) throw new Exception('Could not load class (validator).');
if(!@include_once(__PATH_CLASSES__ . 'class.login.php')) throw new Exception('Could not load class (login).');
if(!@include_once(__PATH_CLASSES__ . 'class.vote.php')) throw new Exception('Could not load class (vote).');
if(!@include_once(__PATH_CLASSES__ . 'class.character.php')) throw new Exception('Could not load class (character).');
if(!@include_once(__PATH_CLASSES__ . 'phpmailer/autoload.php')) throw new Exception('Could not load class (phpmailer).');
if(!@include_once(__PATH_CLASSES__ . 'class.rankings.php')) throw new Exception('Could not load class (rankings).');
if(!@include_once(__PATH_CLASSES__ . 'class.news.php')) throw new Exception('Could not load class (news).');
if(!@include_once(__PATH_CLASSES__ . 'class.plugins.php')) throw new Exception('Could not load class (plugins).');
if(!@include_once(__PATH_CLASSES__ . 'class.profiles.php')) throw new Exception('Could not load class (profiles).');
if(!@include_once(__PATH_CLASSES__ . 'class.credits.php')) throw new Exception('Could not load class (credits).');
if(!@include_once(__PATH_CLASSES__ . 'class.email.php')) throw new Exception('Could not load class (email).');
if(!@include_once(__PATH_CLASSES__ . 'class.account.php')) throw new Exception('Could not load class (account).');
if(!@include_once(__PATH_CLASSES__ . 'class.connection.php')) throw new Exception('Could not load class (connection).');

# Load Functions
if(!@include_once(__PATH_INCLUDES__ . 'functions.php')) throw new Exception('Could not load functions.');

# WebEngine Configurations
$config = webengineConfigs();

# Installation Status
if($config['webengine_cms_installed'] == false) {
	header('Location: '.__BASE_URL__.'install/');
	die();
}

# Compatibility
if(!@include_once(__PATH_CONFIGS__ . 'compatibility.php')) throw new Exception('Could not load file compatibility.');
if(!array_key_exists(strtolower($config['server_files']), $webengine['file_compatibility'])) throw new Exception('The server files configuration is not valid.');

# Configurations Check
$checkConfigs = true;
if($checkConfigs) {
	
	# default template
	if(!file_exists(__PATH_TEMPLATES__ . $config['website_template'])) throw new Exception('The default template doesn\'t exist.');
	
	# required configs
	if(!check_value($config['SQL_DB_HOST'])) throw new Exception('The database host configuration is required to connect to your database.');
	if(!check_value($config['SQL_DB_NAME'])) throw new Exception('The database name configuration is required to connect to your database.');
	if(!check_value($config['SQL_DB_USER'])) throw new Exception('The database user configuration is required to connect to your database.');
	if(!check_value($config['SQL_DB_PASS'])) throw new Exception('The database password configuration is required to connect to your database.');
	if(!check_value($config['SQL_DB_PORT'])) throw new Exception('The database port configuration is required to connect to your database.');
	if($config['SQL_USE_2_DB']) if(!check_value($config['SQL_DB_2_NAME'])) throw new Exception('The additional database name configuration is required to connect to your database.');
	if(!check_value($config['SQL_PDO_DRIVER'])) throw new Exception('The PDO driver configuration is required to connect to your database.');
}

# Load Table Definitions
if(!@include_once(__PATH_CONFIGS__ . $webengine['file_compatibility'][strtolower($config['server_files'])]['file'])) throw new Exception('Could not load the table definitions.');

# CMS Status
if(!$config['system_active'] && access != 'cron') {
	if(!array_key_exists($_SESSION['username'], $config['admins'])) {
		header('Location: ' . $config['maintenance_page']);
		die();
	}
	
	# show website status to the admin
	echo '<div style="text-align:center;border-bottom:1px solid #aa0000;padding:15px;background:#000;color:#ff0000;font-size:12pt;">';
		echo 'OFFLINE MODE';
	echo '</div>';
}

# Error Reporting
if($config['error_reporting']) {
	ini_set('display_errors', true);
	error_reporting(E_ALL & ~E_NOTICE);
} else {
	ini_set('display_errors', false);
	error_reporting(0);
}

# IP Blocking System
if($config['ip_block_system_enable']) {
	if(checkBlockedIp()) throw new Exception('Your IP address has been blocked.');
}

# Load Plugins
if($config['plugins_system_enable']) {
	$pluginsCache = loadCache('plugins.cache');
	if(is_array($pluginsCache)) {
		foreach($pluginsCache as $pluginData) {
			if(!is_array($pluginData['files'])) continue;
			foreach($pluginData['files'] as $pluginFile) {
				if(!@include_once(__PATH_PLUGINS__.$pluginData['folder'].'/'.$pluginFile)) throw new Exception('Could not load plugin file ('.$pluginData['folder'].'/'.$pluginFile.').');
			}
		}
	}
}

# Template Paths
define('__PATH_TEMPLATE_ROOT__', __PATH_TEMPLATES__ . $config['website_template'] . '/');
define('__PATH_TEMPLATE__', __BASE_URL__ . 'templates/' . $config['website_template'] . '/');
define('__PATH_TEMPLATE_IMG__', __PATH_TEMPLATE__ . 'img/');
define('__PATH_TEMPLATE_CSS__', __PATH_TEMPLATE__ . 'css/');
define('__PATH_TEMPLATE_JS__', __PATH_TEMPLATE__ . 'js/');
define('__PATH_TEMPLATE_FONTS__', __PATH_TEMPLATE__ . 'fonts/');

# Handler Instance
$handler = new Handler();
$handler->loadPage();