WB 2.08.x

<?php

/**

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

/**

 * initialize.php

 *

 * @category     Core

 * @package      Core_Environment

 * @author       Werner v.d.Decken <wkl@isteam.de>

 * @copyright    Werner v.d.Decken <wkl@isteam.de>

 * @license      http://www.gnu.org/licenses/gpl.html   GPL License

 * @version      0.0.1

 * @revision     $Revision: 2038 $

 * @link         $HeadURL: svn://isteam.dynxs.de/wb-archiv/branches/2.8.x/wb/framework/initialize.php $

 * @lastmodified $Date: 2013-12-17 00:06:44 +0100 (Tue, 17 Dec 2013) $

 * @since        File replaced since 05.02.2013

 * @description  set the basic environment to run WebsiteBaker

 */

/* *** define some helper functions *** */

/**

 * sanitize $_SERVER['HTTP_REFERER']

 * @param string $sWbUrl qualified startup URL of current application

 */

	function initSanitizeHttpReferer($sWbUrl) {

		$sTmpReferer = '';

		if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] != '') {

			$sTmpReferer = $_SERVER['HTTP_REFERER'];

			$aRefUrl = parse_url($_SERVER['HTTP_REFERER']);

			if ($aRefUrl !== false) {

				$aRefUrl['host'] = isset($aRefUrl['host']) ? $aRefUrl['host'] : '';

				$aRefUrl['path'] = isset($aRefUrl['path']) ? $aRefUrl['path'] : '';

				$aRefUrl['fragment'] = isset($aRefUrl['fragment']) ? '#'.$aRefUrl['fragment'] : '';

				$aWbUrl = parse_url($sWbUrl);

				if ($aWbUrl !== false) {

					$aWbUrl['host'] = isset($aWbUrl['host']) ? $aWbUrl['host'] : '';

					$aWbUrl['path'] = isset($aWbUrl['path']) ? $aWbUrl['path'] : '';

					if (strpos($aRefUrl['host'].$aRefUrl['path'],

							   $aWbUrl['host'].$aWbUrl['path']) !== false) {

						$aRefUrl['path'] = preg_replace('#^'.$aWbUrl['path'].'#i', '', $aRefUrl['path']);

						$sTmpReferer = $sWbUrl.$aRefUrl['path'].$aRefUrl['fragment'];

					}

					unset($aWbUrl);

				}

				unset($aRefUrl);

			}

		}

		$_SERVER['HTTP_REFERER'] = $sTmpReferer;

	}

/**

 * Set constants for system/install values

 * @throws RuntimeException

 */

	function initSetInstallPathConstants() {

		if(!defined('DEBUG')){ define('DEBUG', false); } // normaly set in config file

		if(!defined('ADMIN_DIRECTORY')){ define('ADMIN_DIRECTORY', 'admin'); }

		if(!preg_match('/xx[a-z0-9_][a-z0-9_\-\.]+/i', 'xx'.ADMIN_DIRECTORY)) {

			throw new RuntimeException('Invalid admin-directory: ' . ADMIN_DIRECTORY);

		}

		if(!defined('WB_PATH')){ define('WB_PATH', dirname(dirname(__FILE__))); }

		if(!defined('ADMIN_URL')){ define('ADMIN_URL', rtrim(WB_URL, '/\\').'/'.ADMIN_DIRECTORY); }

		if(!defined('ADMIN_PATH')){ define('ADMIN_PATH', WB_PATH.'/'.ADMIN_DIRECTORY); }

		if(!defined('WB_REL')){

			$x1 = parse_url(WB_URL);

			define('WB_REL', (isset($x1['path']) ? $x1['path'] : ''));

		}

		if(!defined('ADMIN_REL')){ define('ADMIN_REL', WB_REL.'/'.ADMIN_DIRECTORY); }

		if(!defined('DOCUMENT_ROOT')) {

			define('DOCUMENT_ROOT', preg_replace('/'.preg_quote(str_replace('\\', '/', WB_REL), '/').'$/', '', str_replace('\\', '/', WB_PATH)));

			$_SERVER['DOCUMENT_ROOT'] = DOCUMENT_ROOT;

		}

		if(!defined('TMP_PATH')){ define('TMP_PATH', WB_PATH.'/temp'); }

	}

/**

 * checkValidCaller

 * @param array $aCaller list of allowed scripts

 * @return true || Exception

 * @throws RuntimeException

 * @description test if acctual file is called from one of the given list

 */

	function initCheckValidCaller(array $aCaller)

	{

		$x = debug_backtrace();

		if(sizeof($x) == 0) {

			return true;

		}

		$sPattern = '/('.str_replace('#', '|', preg_quote(implode('#', $aCaller), '/')).')$/si';

		foreach($x as $aStep) {

			// define the scripts which can read the configuration

			if(preg_match($sPattern, $aStep['file'])) {

				return true;

			}

		}

		throw new RuntimeException('illegal file request!');

	}

/**

 * Read DB settings from configuration file

 * @return array

 * @throws RuntimeException

 * 

 */

	function initReadSetupFile()

	{

	// check for valid file request. Becomes more stronger in next version

		initCheckValidCaller(array('save.php','index.php','config.php','upgrade-script.php'));

		$aCfg = array();

		$sSetupFile = dirname(dirname(__FILE__)).'/setup.ini.php';

		if(is_readable($sSetupFile)) {

			$aCfg = parse_ini_file($sSetupFile, true);

			foreach($aCfg['Constants'] as $key=>$value) {

				switch($key):

					case 'DEBUG':

						$value = filter_var($value, FILTER_VALIDATE_BOOLEAN);

						if(!defined('DEBUG')) { define('DEBUG', $value); }

						break;

					case 'WB_URL': // << case is set deprecated

					case 'AppUrl':

						$value = trim(str_replace('\\', '/', $value), '/'); 

						if(!defined('WB_URL')) { define('WB_URL', $value); }

						break;

					case 'ADMIN_DIRECTORY': // << case is set deprecated

					case 'AcpDir':

						$value = trim(str_replace('\\', '/', $value), '/'); 

						if(!defined('ADMIN_DIRECTORY')) { define('ADMIN_DIRECTORY', $value); }

						break;

					default:

						if(!defined($key)) { define($key, $value); }

						break;

				endswitch;

			}

		}

		return $aCfg;

//		throw new RuntimeException('unable to read setup.ini.php');

	}

 /**

 * GetDbConnectData

 * @param array $aCfg

 * @param string $sDbConnectType  can be 'url' or 'dsn'

 * @return array

 *

 */

	function initGetDbConnectData(array $aCfg, $sDbConnectType = 'url')

	{

		if(defined('DB_TYPE'))

		{

		// import constants for compatibility reasons

			$db = array();

			if(defined('DB_TYPE'))      { $db['type']         = DB_TYPE; }

			if(defined('DB_USERNAME'))  { $db['user']         = DB_USERNAME; }

			if(defined('DB_PASSWORD'))  { $db['pass']         = DB_PASSWORD; }

			if(defined('DB_HOST'))      { $db['host']         = DB_HOST; }

			if(defined('DB_PORT'))      { $db['port']         = DB_PORT; }

			if(defined('DB_NAME'))      { $db['name']         = DB_NAME; }

			if(defined('DB_CHARSET'))   { $db['charset']      = DB_CHARSET; }

			if(defined('TABLE_PREFIX')) { $db['table_prefix'] = TABLE_PREFIX; }

			$aCfg['DataBase'] = $db;

		}

		// sanitize values

		$db = $aCfg['DataBase'];

		$db['type'] = isset($db['type']) ? $db['type'] : 'mysql';

		$db['user'] = isset($db['user']) ? $db['user'] : 'foo';

		$db['pass'] = isset($db['pass']) ? $db['pass'] : 'bar';

		$db['host'] = isset($db['host']) ? $db['host'] : 'localhost';

		$db['port'] = isset($db['port']) ? $db['port'] : '3306';

		$db['port'] = ($db['port'] != '3306') ? $db['port'] : '';

		$db['name'] = isset($db['name']) ? $db['name'] : 'dummy';

		$db['charset'] = isset($db['charset']) ? trim($db['charset']) : 'utf8';

		$db['table_prefix'] = (isset($db['table_prefix']) ? $db['table_prefix'] : '');

		if(!defined('TABLE_PREFIX')) { define('TABLE_PREFIX', $db['table_prefix']); }

		if($sDbConnectType == 'dsn') {

		// build dsn to connect

			$aRetval[0] = $db['type'].':dbname='.$db['name'].';host='.$db['host'].';'

						. ($db['port'] != '' ? 'port='.(int)$db['port'].';' : '');

			$aRetval[1] = array('CHARSET' => $db['charset'], 'TABLE_PREFIX' => $db['table_prefix']);

			$aRetval[2] = array( 'user' => $db['user'], 'pass' => $db['pass']);

		}else { 

		// build url to connect

			$aRetval[0] = $db['type'].'://'.$db['user'].':'.$db['pass'].'@'

						. $db['host'].($db['port'] != '' ? ':'.$db['port'] : '').'/'.$db['name']

						. '?Charset='.$db['charset'].'&TablePrefix='.$db['table_prefix'];

		}

		return $aRetval;

	}

/* ***************************************************************************************

 * Start initialization                                                                  *

 ****************************************************************************************/

// initialize debug evaluation values ---	

	$starttime = array_sum(explode(" ",microtime()));

	$iPhpDeclaredClasses = sizeof(get_declared_classes());

	$sDbConnectType = 'url'; // depending from class WbDatabase it can be 'url' or 'dsn'

// PHP less then 5.3.2 is prohibited ---

	if (version_compare(PHP_VERSION, '5.3.2', '<')) {

		$sMsg = '<p style="color: #ff0000;">WebsiteBaker is not able to run with PHP-Version less then 5.3.2!!<br />'

		      . 'Please change your PHP-Version to any kind from 5.3.2 and up!<br />'

		      . 'If you have problems to solve that, ask your hosting provider for it.<br  />'

		      . 'The very best solution is the use of PHP-5.4 and up</p>';

		die($sMsg);

	}

// disable all kind of magic_quotes in PHP versions before 5.4 ---

	if (function_exists('get_magic_quotes_gpc') && filter_var(get_magic_quotes_gpc(), FILTER_VALIDATE_BOOLEAN)) {

		$sMsg = '<p style="color: #ff0000;">WebsiteBaker is not able to run with magic_quotes=on!!<br />'

		      . 'Please change your PHP-ini or add a _htaccess file to switch this setting to off!<br />'

		      . 'If you have problems to solve that, ask your hosting provider for it.<br  />'

		      . 'The very best solution is the use of PHP-5.4 and up</p>';

		die($sMsg);

	}

// load configuration ---

	$aCfg = initReadSetupFile();

// sanitize $_SERVER['HTTP_REFERER'] ---

	initSetInstallPathConstants();

	initSanitizeHttpReferer(WB_URL);

// register WB basic autoloader ---

	$sTmp = dirname(__FILE__).'/WbAutoloader.php';

	if(!class_exists('WbAutoloader')){ 

		include($sTmp);

	}

	WbAutoloader::doRegister(array(ADMIN_DIRECTORY=>'a', 'modules'=>'m', 'templates'=>'t', 'include'=>'i'));

// instantiate and initialize adaptor for temporary registry replacement ---

	WbAdaptor::getInstance()->getWbConstants();

// register TWIG autoloader ---

	$sTmp = dirname(dirname(__FILE__)).'/include/Sensio/Twig/lib/Twig/Autoloader.php';

	if(!class_exists('Twig_Autoloader')) { 

		include($sTmp); 

	}

	Twig_Autoloader::register();

// aktivate exceptionhandler ---

	if(!function_exists('globalExceptionHandler')) {

		include(dirname(__FILE__).'/globalExceptionHandler.php');

	}

// ---------------------------

// get Database connection data from configuration

	$aSqlData = initGetDbConnectData($aCfg, $sDbConnectType);

// Create global database instance ---

	$oDb = $database = WbDatabase::getInstance();

	if($sDbConnectType == 'dsn') {

		$bTmp = $oDb->doConnect($aSqlData[0], $aSqlData[1]['user'], $aSqlData[1]['pass'], $aSqlData[2]);

	}else {

		$bTmp = $oDb->doConnect($aSqlData[0]);

	}

// remove critical data from memory

	unset($aSqlData, $aCfg);

	if(!defined('TABLE_PREFIX')) { define('TABLE_PREFIX', $oDb->TablePrefix); }

// load global settings from database and define global consts from ---

	$sql = 'SELECT `name`, `value` FROM `'.TABLE_PREFIX.'settings`';

	if(($oSettings = $database->query($sql))) {

		if(!$oSettings->numRows()) { throw new AppException('no settings found'); }

		while($aSetting = $oSettings->fetchRow(MYSQL_ASSOC)) {

			//sanitize true/false values

			$aSetting['value'] = ($aSetting['value'] == 'true' 

								  ? true 

								  : ($aSetting['value'] == 'false' 

									 ? false 

									 : $aSetting['value'])

								 );

			$sSettingName = strtoupper($aSetting['name']);

			switch($sSettingName):

				case 'STRING_FILE_MODE':

					$iTmp = ((intval(octdec($aSetting['value'])) & ~0111)|0600);

					if(!defined('OCTAL_FILE_MODE')) { define('OCTAL_FILE_MODE', $iTmp); }

					if(!defined('STRING_FILE_MODE')) { define('STRING_FILE_MODE', sprintf('0%03o', $iTmp)); }

					break;

				case 'STRING_DIR_MODE':

					$iTmp = (intval(octdec($aSetting['value'])) |0711);

					if(!defined('OCTAL_DIR_MODE')) { define('OCTAL_DIR_MODE', $iTmp); }

					if(!defined('STRING_DIR_MODE')) { define('STRING_DIR_MODE', sprintf('0%03o', $iTmp)); }

					break;

				case 'PAGES_DIRECTORY':

					// sanitize pages_directory

					$sTmp = trim($aSetting['value'], '/');

					$sTmp = ($sTmp == '' ? '' : '/'.$sTmp);

					if(!defined('PAGES_DIRECTORY')) { define('PAGES_DIRECTORY', $sTmp); }

					break;

				default: // make global const from setting

					if(!defined($sSettingName)) { define($sSettingName, $aSetting['value']); }

					break;

			endswitch;

		}

	}else { throw new AppException($database->get_error()); }

// set error-reporting from loaded settings ---

	if(intval(ER_LEVEL) > 0 ) {

		error_reporting(ER_LEVEL);

		if( intval(ini_get ( 'display_errors' )) == 0 ) {

			ini_set('display_errors', 1);

		}

	}

// Start a session ---

	if(!defined('SESSION_STARTED')) {

		session_name(APP_NAME.'_session_id');

		@session_start();

		define('SESSION_STARTED', true);

	}

// get/set server timezone ---

	if(!defined('SERVER_TIMEZONE')) { define('SERVER_TIMEZONE', "UTC"); }

	date_default_timezone_set( SERVER_TIMEZONE );

	if(!defined('MAX_TIME')) { define('MAX_TIME', (pow(2, 31)-1)); } // 32-Bit Timestamp of 19 Jan 2038 03:14:07 GMT

	$sTmp = (isset($_SERVER['HTTP_DNT']) && $_SERVER['HTTP_DNT'] != '') ? $_SERVER['HTTP_DNT'] : '0';

	if(!defined('DO_NOT_TRACK')) { define('DO_NOT_TRACK', ($sTmp[0] == '1')); }

// get/set users timezone ---

	if(!defined('TIMEZONE')) { define('TIMEZONE', (isset($_SESSION['TIMEZONE']) ? $_SESSION['TIMEZONE'] : DEFAULT_TIMEZONE)); }

	if(!defined('DATE_FORMAT')) { define('DATE_FORMAT', (isset($_SESSION['DATE_FORMAT']) ? $_SESSION['DATE_FORMAT'] : DEFAULT_DATE_FORMAT)); }

	if(!defined('TIME_FORMAT')) { define('TIME_FORMAT', (isset($_SESSION['TIME_FORMAT']) ? $_SESSION['TIME_FORMAT'] : DEFAULT_TIME_FORMAT)); }

// set Theme directory --- 

	if(!defined('THEME_URL')) { define('THEME_URL',  WB_URL.'/templates/'.DEFAULT_THEME); }

	if(!defined('THEME_PATH')) { define('THEME_PATH', WB_PATH.'/templates/'.DEFAULT_THEME); }

	if(!defined('THEME_REL')) { define('THEME_REL',  WB_REL.'/templates/'.DEFAULT_THEME); }

// extended wb editor settings

	if(!defined('EDIT_ONE_SECTION')) { define('EDIT_ONE_SECTION', false); }

	if(!defined('EDITOR_WIDTH')) { define('EDITOR_WIDTH', 0); }

// define form security class and preload it ---

	$sSecMod = (defined('SECURE_FORM_MODULE') && SECURE_FORM_MODULE != '') ? '.'.SECURE_FORM_MODULE : '';

	$sSecMod = WB_PATH.'/framework/SecureForm'.$sSecMod.'.php';

	require_once($sSecMod);

// *** begin deprecated part *************************************************************

// load settings for use in Captch and ASP module

	if (!defined('WB_INSTALL_PROCESS') && !defined('ENABLED_CAPTCHA')) {

		$sql = 'SELECT * FROM `'.TABLE_PREFIX.'mod_captcha_control`';

		// request settings from database

		if(($oSettings = $database->query($sql))) {

			if(($aSetting = $oSettings->fetchRow(MYSQL_ASSOC))) {

				define('ENABLED_CAPTCHA', ($aSetting['enabled_captcha'] == '1'));

				define('ENABLED_ASP', ($aSetting['enabled_asp'] == '1'));

				define('CAPTCHA_TYPE', $aSetting['captcha_type']);

				define('ASP_SESSION_MIN_AGE', (int)$aSetting['asp_session_min_age']);

				define('ASP_VIEW_MIN_AGE', (int)$aSetting['asp_view_min_age']);

				define('ASP_INPUT_MIN_AGE', (int)$aSetting['asp_input_min_age']);

			}

		}

	}

	if(defined('ENABLED_ASP') && ENABLED_ASP && !isset($_SESSION['session_started'])) {

		$_SESSION['session_started'] = time();

	}

// *** end of deprecated part ************************************************************

// get user language ---

	$sRequestMethod = '_'.strtoupper($_SERVER['REQUEST_METHOD']);

	// check if get/post value is available

	$sTempLanguage = (isset(${$sRequestMethod}['lang']) ? ${$sRequestMethod}['lang'] : '');

	// validate language code

	if(preg_match('/^[a-z]{2}$/si', $sTempLanguage)) {

	// if there's valid get/post

		define('LANGUAGE', strtoupper($sTempLanguage));

		$_SESSION['LANGUAGE']=LANGUAGE;

	}else {

		if(isset($_SESSION['LANGUAGE']) && $_SESSION['LANGUAGE']) {

		// if there's valid session value

			define('LANGUAGE', $_SESSION['LANGUAGE']);

		}else {

		// otherwise set to default

			define('LANGUAGE', DEFAULT_LANGUAGE);

		}

	}

// activate translations / load language definitions

/** begin of deprecated part || will be replaced by class Translate **/	

// Load Language file

	if(!file_exists(WB_PATH.'/languages/'.LANGUAGE.'.php')) {

		$sMsg = 'Error loading language file '.LANGUAGE.', please check configuration';

		throw new AppException($sMsg);

	} else {

	// include language file

		require_once(WB_PATH.'/languages/'.LANGUAGE.'.php');

	}

/** end of deprecated part **/

// instantiate and initialize adaptor for temporary registry replacement ---

	WbAdaptor::getInstance()->getWbConstants();

// load and activate new global translation table

	Translate::getInstance()->initialize('en',

										 (defined('DEFAULT_LANGUAGE') ? DEFAULT_LANGUAGE : ''), 

										 (defined('LANGUAGE') ? LANGUAGE : ''),

										 'WbOldStyle',

										 (Translate::CACHE_DISABLED|Translate::KEEP_MISSING)

//										 (DEBUG ? Translate::CACHE_DISABLED|Translate::KEEP_MISSING : 0)

										);

	if(!class_exists('PasswordHash', false)) { include(WB_PATH.'/include/phpass/PasswordHash.php'); }

	$oPass = Password::getInstance(new PasswordHash(Password::CRYPT_LOOPS_DEFAULT, Password::HASH_TYPE_AUTO));

	if(defined('PASSWORD_CRYPT_LOOPS')) { $oPass->setIteration(PASSWORD_CRYPT_LOOPS); }

	if(defined('PASSWORD_HASH_TYPES'))  { $oPass->setHashType(PASSWORD_HASH_TYPES); }

// *** END OF FILE ***********************************************************************