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<?php
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/**
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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/**
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 * initialize.php
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 *
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 * @category     Core
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 * @package      Core_Environment
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 * @author       Werner v.d.Decken <wkl@isteam.de>
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 * @copyright    Werner v.d.Decken <wkl@isteam.de>
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 * @license      http://www.gnu.org/licenses/gpl.html   GPL License
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 * @version      0.0.1
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 * @revision     $Revision: 1901 $
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 * @link         $HeadURL: svn://isteam.dynxs.de/wb-archiv/branches/2.8.x/wb/framework/initialize.php $
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 * @lastmodified $Date: 2013-04-19 11:43:44 +0200 (Fri, 19 Apr 2013) $
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 * @since        File replaced since 05.02.2013
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 * @description  set the basic environment to run WebsiteBaker
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 */
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/* *** define some helper functions *** */
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/**
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 * sanitize $_SERVER['HTTP_REFERER']
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 * @param string $sWbUrl qualified startup URL of current application
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 */
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	function SanitizeHttpReferer($sWbUrl = WB_URL) {
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		$sTmpReferer = '';
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		if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] != '') {
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			$aRefUrl = parse_url($_SERVER['HTTP_REFERER']);
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			if ($aRefUrl !== false) {
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				$aRefUrl['host'] = isset($aRefUrl['host']) ? $aRefUrl['host'] : '';
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				$aRefUrl['path'] = isset($aRefUrl['path']) ? $aRefUrl['path'] : '';
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				$aRefUrl['fragment'] = isset($aRefUrl['fragment']) ? '#'.$aRefUrl['fragment'] : '';
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				$aWbUrl = parse_url(WB_URL);
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				if ($aWbUrl !== false) {
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					$aWbUrl['host'] = isset($aWbUrl['host']) ? $aWbUrl['host'] : '';
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					$aWbUrl['path'] = isset($aWbUrl['path']) ? $aWbUrl['path'] : '';
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					if (strpos($aRefUrl['host'].$aRefUrl['path'],
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							   $aWbUrl['host'].$aWbUrl['path']) !== false) {
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						$aRefUrl['path'] = preg_replace('#^'.$aWbUrl['path'].'#i', '', $aRefUrl['path']);
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						$sTmpReferer = WB_URL.$aRefUrl['path'].$aRefUrl['fragment'];
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					}
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					unset($aWbUrl);
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				}
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				unset($aRefUrl);
60
			}
61
		}
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		$_SERVER['HTTP_REFERER'] = $sTmpReferer;
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	}
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/**
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 * Set constants for system/install values
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 * @throws RuntimeException
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 */
68
	function SetInstallPathConstants() {
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		if(!defined('DEBUG')){ define('DEBUG', false); } // normaly set in config file
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		if(!defined('ADMIN_DIRECTORY')){ define('ADMIN_DIRECTORY', 'admin'); }
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		if(!preg_match('/xx[a-z0-9_][a-z0-9_\-\.]+/i', 'xx'.ADMIN_DIRECTORY)) {
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			throw new RuntimeException('Invalid admin-directory: ' . ADMIN_DIRECTORY);
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		}
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		if(!defined('WB_PATH')){ define('WB_PATH', dirname(dirname(__FILE__))); }
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		if(!defined('ADMIN_URL')){ define('ADMIN_URL', WB_URL.'/'.ADMIN_DIRECTORY); }
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		if(!defined('ADMIN_PATH')){ define('ADMIN_PATH', WB_PATH.'/'.ADMIN_DIRECTORY); }
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		if(!defined('WB_REL')){
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			$x1 = parse_url(WB_URL);
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			define('WB_REL', (isset($x1['path']) ? $x1['path'] : ''));
80
		}
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		if(!defined('ADMIN_REL')){ define('ADMIN_REL', WB_REL.'/'.ADMIN_DIRECTORY); }
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		if(!defined('DOCUMENT_ROOT')) {
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			define('DOCUMENT_ROOT', preg_replace('/'.preg_quote(WB_REL, '/').'$/', '', WB_PATH));
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		}
86
		if(!defined('TMP_PATH')){ define('TMP_PATH', WB_PATH.'/temp'); }
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	}
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/**
89
 * Read DB settings from configuration file
90
 * @return string
91
 * @throws RuntimeException
92
 * 
93
 */
94
	function readConfiguration($sRetvalType = 'url') {
95
		// check for valid file request. Becomes more stronger in next version
96
		$x = debug_backtrace();
97
		$bValidRequest = false;
98
		if(sizeof($x) != 0) {
99
			foreach($x as $aStep) {
100
				// define the scripts which can read the configuration
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				if(preg_match('/(save.php|index.php|config.php|upgrade-script.php)$/si', $aStep['file'])) {
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					$bValidRequest = true;
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					break;
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				}
105
			}
106
		} else {
107
			$bValidRequest = true;
108
		}
109
		if(!$bValidRequest) {
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			throw new RuntimeException('illegal function request!'); 
111
		}
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		$aRetval = array();
113
		$sSetupFile = dirname(dirname(__FILE__)).'/setup.ini.php';
114
		if(is_readable($sSetupFile)) {
115
			$aCfg = parse_ini_file($sSetupFile, true);
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			foreach($aCfg['Constants'] as $key=>$value) {
117
				switch($key):
118
					case 'DEBUG':
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						$value = filter_var($value, FILTER_VALIDATE_BOOLEAN);
120
						if(!defined('DEBUG')) { define('DEBUG', $value); }
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						break;
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					case 'WB_URL':
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					case 'AppUrl':
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						$value = trim(str_replace('\\', '/', $value), '/'); 
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						if(!defined('WB_URL')) { define('WB_URL', $value); }
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						break;
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					case 'ADMIN_DIRECTORY':
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					case 'AcpDir':
129
						$value = trim(str_replace('\\', '/', $value), '/'); 
130
						if(!defined('ADMIN_DIRECTORY')) { define('ADMIN_DIRECTORY', $value); }
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						break;
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					default:
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						if(!defined($key)) { define($key, $value); }
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						break;
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				endswitch;
136
			}
137
			$db = $aCfg['DataBase'];
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			$db['type'] = isset($db['type']) ? $db['type'] : 'mysql';
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			$db['user'] = isset($db['user']) ? $db['user'] : 'foo';
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			$db['pass'] = isset($db['pass']) ? $db['pass'] : 'bar';
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			$db['host'] = isset($db['host']) ? $db['host'] : 'localhost';
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			$db['port'] = isset($db['port']) ? $db['port'] : '3306';
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			$db['port'] = ($db['port'] != '3306') ? $db['port'] : '';
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			$db['name'] = isset($db['name']) ? $db['name'] : 'dummy';
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			$db['charset'] = isset($db['charset']) ? trim($db['charset']) : '';
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			$db['table_prefix'] = (isset($db['table_prefix']) ? $db['table_prefix'] : '');
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			if(!defined('TABLE_PREFIX')) { define('TABLE_PREFIX', $db['table_prefix']); }
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			if($sRetvalType == 'dsn') {
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				$aRetval[0] = $db['type'].':dbname='.$db['name'].';host='.$db['host'].';'
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				            . ($db['port'] != '' ? 'port='.(int)$db['port'].';' : '');
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				$aRetval[1] = array('CHARSET' => $db['charset'], 'TABLE_PREFIX' => $db['table_prefix']);
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				$aRetval[2] = array( 'user' => $db['user'], 'pass' => $db['pass']);
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			}else { // $sRetvalType == 'url'
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				$aRetval[0] = $db['type'].'://'.$db['user'].':'.$db['pass'].'@'
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				            . $db['host'].($db['port'] != '' ? ':'.$db['port'] : '').'/'.$db['name']
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				            . '?Charset='.$db['charset'].'&TablePrefix='.$db['table_prefix'];
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			}
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			unset($db, $aCfg);
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			return $aRetval;
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		}
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		throw new RuntimeException('unable to read setup.ini.php');
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	}
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/* ***************************************************************************************
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 * Start initialization                                                                  *
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 ****************************************************************************************/
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// initialize debug evaluation values ---	
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	$sDbConnectType = 'url'; // depending from class WbDatabase it can be 'url' or 'dsn'
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	$starttime = array_sum(explode(" ",microtime()));
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	$iPhpDeclaredClasses = sizeof(get_declared_classes());
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// disable all kind of magic_quotes in PHP versions before 5.4 ---
171
	if(version_compare(PHP_VERSION, '5.4.0', '<')) {
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		if(get_magic_quotes_gpc() || get_magic_quotes_runtime()) {
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			@ini_set('magic_quotes_sybase', 0);
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			@ini_set('magic_quotes_gpc', 0);
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			@ini_set('magic_quotes_runtime', 0);
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		}
177
	}
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// load db configuration ---
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	if(defined('DB_TYPE')) {
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		$sTmp = ($sTmp=((defined('DB_PORT') && DB_PORT !='') ? DB_PORT : '')) ? ':'.$sTmp : '';
181
		$sTmp = DB_TYPE.'://'.DB_USERNAME.':'.DB_PASSWORD.'@'.DB_HOST.$sTmp.'/'.DB_NAME.'?Charset=';
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		$sTmp .= (defined('DB_CHARSET') ? DB_CHARSET : '').'&TablePrefix='.TABLE_PREFIX;
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		$aSqlData = array( 0 => $sTmp);
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	}else {
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		$aSqlData = readConfiguration($sDbConnectType);
186
	}
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// sanitize $_SERVER['HTTP_REFERER'] ---
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	SanitizeHttpReferer(WB_URL); 
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	SetInstallPathConstants();
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// define constant systemenvironment settings ---
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	date_default_timezone_set('UTC');
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	if(!defined('MAX_TIME')) { define('MAX_TIME', (pow(2, 31)-1)); } // 32-Bit Timestamp of 19 Jan 2038 03:14:07 GMT
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	$sTmp = (isset($_SERVER['HTTP_DNT']) && $_SERVER['HTTP_DNT'] != '') ? $_SERVER['HTTP_DNT'] : '0';
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	if(!defined('DO_NOT_TRACK')) { define('DO_NOT_TRACK', ($sTmp[0] == '1')); }
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// register WB basic autoloader ---
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	$sTmp = dirname(__FILE__).'/WbAutoloader.php';
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	if(!class_exists('WbAutoloader')){ 
198
		include($sTmp);
199
	}
200
	WbAutoloader::doRegister(array(ADMIN_DIRECTORY=>'a', 'modules'=>'m'));
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// register TWIG autoloader ---
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	$sTmp = dirname(dirname(__FILE__)).'/include/Sensio/Twig/lib/Twig/Autoloader.php';
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	if(!class_exists('Twig_Autoloader')) { 
204
		include($sTmp); 
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	}
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	Twig_Autoloader::register();
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// aktivate exceptionhandler ---
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	if(!function_exists('globalExceptionHandler')) {
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		include(dirname(__FILE__).'/globalExceptionHandler.php');
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	}
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// ---------------------------
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// Create global database instance ---
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	$database = WbDatabase::getInstance();
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	if($sDbConnectType == 'dsn') {
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		$bTmp = $database->doConnect($aSqlData[0], $aSqlData[1]['user'], $aSqlData[1]['pass'], $aSqlData[2]);
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	}else {
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		$bTmp = $database->doConnect($aSqlData[0]);
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	}
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	unset($aSqlData);
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// load global settings from database and define global consts from ---
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	$sql = 'SELECT `name`, `value` FROM `'.TABLE_PREFIX.'settings`';
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	if(($oSettings = $database->query($sql))) {
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		if(!$oSettings->numRows()) { throw new AppException('no settings found'); }
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		while($aSetting = $oSettings->fetchRow(MYSQL_ASSOC)) {
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			//sanitize true/false values
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			$aSetting['value'] = ($aSetting['value'] == 'true' 
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								  ? true 
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								  : ($aSetting['value'] == 'false' 
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									 ? false 
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									 : $aSetting['value'])
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								 );
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			$sSettingName = strtoupper($aSetting['name']);
233
			switch($sSettingName):
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				case 'STRING_FILE_MODE':
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					$iTmp = ((intval(octdec($aSetting['value'])) & ~0111)|0600);
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					if(!defined('OCTAL_FILE_MODE')) { define('OCTAL_FILE_MODE', $iTmp); }
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					if(!defined('STRING_FILE_MODE')) { define('STRING_FILE_MODE', sprintf('0%03o', $iTmp)); }
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					break;
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				case 'STRING_DIR_MODE':
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					$iTmp = (intval(octdec($aSetting['value'])) |0711);
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					if(!defined('OCTAL_DIR_MODE')) { define('OCTAL_DIR_MODE', $iTmp); }
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					if(!defined('STRING_DIR_MODE')) { define('STRING_DIR_MODE', sprintf('0%03o', $iTmp)); }
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					break;
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				case 'PAGES_DIRECTORY':
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					// sanitize pages_directory
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					$sTmp = trim($aSetting['value'], '/');
247
					$sTmp = ($sTmp == '' ? '' : '/'.$sTmp);
248
					if(!defined('PAGES_DIRECTORY')) { define('PAGES_DIRECTORY', $sTmp); }
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					break;
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				default: // make global const from setting
251
					if(!defined($sSettingName)) { define($sSettingName, $aSetting['value']); }
252
					break;
253
			endswitch;
254
		}
255
	}else { throw new AppException($database->get_error()); }
256
// set error-reporting from loaded settings ---
257
	if(intval(ER_LEVEL) > 0 ) {
258
		error_reporting(ER_LEVEL);
259
		if( intval(ini_get ( 'display_errors' )) == 0 ) {
260
			ini_set('display_errors', 1);
261
		}
262
	}
263
// Start a session ---
264
	if(!defined('SESSION_STARTED')) {
265
		session_name(APP_NAME.'_session_id');
266
		@session_start();
267
		define('SESSION_STARTED', true);
268
	}
269
// get/set users timezone ---
270
	if(!defined('TIMEZONE')) { define('TIMEZONE', (isset($_SESSION['TIMEZONE']) ? $_SESSION['TIMEZONE'] : DEFAULT_TIMEZONE)); }
271
	if(!defined('DATE_FORMAT')) { define('DATE_FORMAT', (isset($_SESSION['DATE_FORMAT']) ? $_SESSION['DATE_FORMAT'] : DEFAULT_DATE_FORMAT)); }
272
	if(!defined('TIME_FORMAT')) { define('TIME_FORMAT', (isset($_SESSION['TIME_FORMAT']) ? $_SESSION['TIME_FORMAT'] : DEFAULT_TIME_FORMAT)); }
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// set Theme directory --- 
274
	if(!defined('THEMA_URL')) { define('THEME_URL',  WB_URL.'/templates/'.DEFAULT_THEME); }
275
	if(!defined('THEME_PATH')) { define('THEME_PATH', WB_PATH.'/templates/'.DEFAULT_THEME); }
276
	if(!defined('THEME_REL')) { define('THEME_REL',  WB_REL.'/templates/'.DEFAULT_THEME); }
277
// extended wb editor settings
278
	if(!defined('EDIT_ONE_SECTION')) { define('EDIT_ONE_SECTION', false); }
279
	if(!defined('EDITOR_WIDTH')) { define('EDITOR_WIDTH', 0); }
280
// define form security class and preload it ---
281
	$sSecMod = (defined('SECURE_FORM_MODULE') && SECURE_FORM_MODULE != '') ? '.'.SECURE_FORM_MODULE : '';
282
	$sSecMod = WB_PATH.'/framework/SecureForm'.$sSecMod.'.php';
283
	require_once($sSecMod);
284
// *** begin deprecated part *************************************************************
285
// load settings for use in Captch and ASP module
286
	if (!defined('WB_INSTALL_PROCESS') && !defined('ENABLED_CAPTCHA')) {
287
		$sql = 'SELECT * FROM `'.TABLE_PREFIX.'mod_captcha_control`';
288
		// request settings from database
289
		if(($oSettings = $database->query($sql))) {
290
			if(($aSetting = $oSettings->fetchRow(MYSQL_ASSOC))) {
291
				define('ENABLED_CAPTCHA', ($aSetting['enabled_captcha'] == '1'));
292
				define('ENABLED_ASP', ($aSetting['enabled_asp'] == '1'));
293
				define('CAPTCHA_TYPE', $aSetting['captcha_type']);
294
				define('ASP_SESSION_MIN_AGE', (int)$aSetting['asp_session_min_age']);
295
				define('ASP_VIEW_MIN_AGE', (int)$aSetting['asp_view_min_age']);
296
				define('ASP_INPUT_MIN_AGE', (int)$aSetting['asp_input_min_age']);
297
			}
298
		}
299
	}
300
	if(defined('ENABLED_ASP') && ENABLED_ASP && !isset($_SESSION['session_started'])) {
301
		$_SESSION['session_started'] = time();
302
	}
303
// *** end of deprecated part ************************************************************
304
// get user language ---
305
	$sRequestMethod = '_'.strtoupper($_SERVER['REQUEST_METHOD']);
306
	// check if get/post value is available
307
	$sTempLanguage = (isset(${$sRequestMethod}['lang']) ? ${$sRequestMethod}['lang'] : '');
308
	// validate language code
309
	if(preg_match('/^[a-z]{2}$/si', $sTempLanguage)) {
310
	// if there's valid get/post
311
		define('LANGUAGE', strtoupper($sTempLanguage));
312
		$_SESSION['LANGUAGE']=LANGUAGE;
313
	}else {
314
		if(isset($_SESSION['LANGUAGE']) && $_SESSION['LANGUAGE']) {
315
		// if there's valid session value
316
			define('LANGUAGE', $_SESSION['LANGUAGE']);
317
		}else {
318
		// otherwise set to default
319
			define('LANGUAGE', DEFAULT_LANGUAGE);
320
		}
321
	}
322
// activate translations / load language definitions
323
/** begin of deprecated part || will be replaced by class Translate **/	
324
// Load Language file
325
	if(!file_exists(WB_PATH.'/languages/'.LANGUAGE.'.php')) {
326
		$sMsg = 'Error loading language file '.LANGUAGE.', please check configuration';
327
		throw new AppException($sMsg);
328
	} else {
329
	// include language file
330
		require_once(WB_PATH.'/languages/'.LANGUAGE.'.php');
331
	}
332
/** end of deprecated part **/
333
// instantiate and initialize adaptor for temporary registry replacement ---
334
	if(class_exists('WbAdaptor')) {
335
		WbAdaptor::getInstance()->getWbConstants();
336
	}
337
// load and activate new global translation table
338
	Translate::getInstance()->initialize('en',
339
										 (defined('DEFAULT_LANGUAGE') ? DEFAULT_LANGUAGE : ''), 
340
										 (defined('LANGUAGE') ? LANGUAGE : ''),
341
										 'WbOldStyle',
342
										 (DEBUG ? Translate::CACHE_DISABLED|Translate::KEEP_MISSING : 0)
343
										);
344
// *** END OF FILE ***********************************************************************
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