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<?php
2
/**
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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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19
/**
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 * initialize.php
21
 *
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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: 2029 $
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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: 2013-12-14 19:50:36 +0100 (Sat, 14 Dec 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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 */
34

    
35
/* *** define some helper functions *** */
36
/**
37
 * sanitize $_SERVER['HTTP_REFERER']
38
 * @param string $sWbUrl qualified startup URL of current application
39
 */
40
	function initSanitizeHttpReferer($sWbUrl) {
41
		$sTmpReferer = '';
42
		if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] != '') {
43
			$sTmpReferer = $_SERVER['HTTP_REFERER'];
44
			$aRefUrl = parse_url($_SERVER['HTTP_REFERER']);
45
			if ($aRefUrl !== false) {
46
				$aRefUrl['host'] = isset($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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				$aWbUrl = parse_url($sWbUrl);
50
				if ($aWbUrl !== false) {
51
					$aWbUrl['host'] = isset($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'],
54
							   $aWbUrl['host'].$aWbUrl['path']) !== false) {
55
						$aRefUrl['path'] = preg_replace('#^'.$aWbUrl['path'].'#i', '', $aRefUrl['path']);
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						$sTmpReferer = $sWbUrl.$aRefUrl['path'].$aRefUrl['fragment'];
57
					}
58
					unset($aWbUrl);
59
				}
60
				unset($aRefUrl);
61
			}
62
		}
63
		$_SERVER['HTTP_REFERER'] = $sTmpReferer;
64
	}
65
/**
66
 * Set constants for system/install values
67
 * @throws RuntimeException
68
 */
69
	function initSetInstallPathConstants() {
70
		if(!defined('DEBUG')){ define('DEBUG', false); } // normaly set in config file
71
		if(!defined('ADMIN_DIRECTORY')){ define('ADMIN_DIRECTORY', 'admin'); }
72
		if(!preg_match('/xx[a-z0-9_][a-z0-9_\-\.]+/i', 'xx'.ADMIN_DIRECTORY)) {
73
			throw new RuntimeException('Invalid admin-directory: ' . ADMIN_DIRECTORY);
74
		}
75
		if(!defined('WB_PATH')){ define('WB_PATH', dirname(dirname(__FILE__))); }
76
		if(!defined('ADMIN_URL')){ define('ADMIN_URL', rtrim(WB_URL, '/\\').'/'.ADMIN_DIRECTORY); }
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		if(!defined('ADMIN_PATH')){ define('ADMIN_PATH', WB_PATH.'/'.ADMIN_DIRECTORY); }
78
		if(!defined('WB_REL')){
79
			$x1 = parse_url(WB_URL);
80
			define('WB_REL', (isset($x1['path']) ? $x1['path'] : ''));
81
		}
82
		if(!defined('ADMIN_REL')){ define('ADMIN_REL', WB_REL.'/'.ADMIN_DIRECTORY); }
83
		if(!defined('DOCUMENT_ROOT')) {
84
			define('DOCUMENT_ROOT', preg_replace('/'.preg_quote(str_replace('\\', '/', WB_REL), '/').'$/', '', str_replace('\\', '/', WB_PATH)));
85
			$_SERVER['DOCUMENT_ROOT'] = DOCUMENT_ROOT;
86
		}
87
		if(!defined('TMP_PATH')){ define('TMP_PATH', WB_PATH.'/temp'); }
88
	}
89
/**
90
 * checkValidCaller
91
 * @param array $aCaller list of allowed scripts
92
 * @return true || Exception
93
 * @throws RuntimeException
94
 * @description test if acctual file is called from one of the given list
95
 */
96
	function initCheckValidCaller(array $aCaller)
97
	{
98
		$x = debug_backtrace();
99
		if(sizeof($x) == 0) {
100
			return true;
101
		}
102
		$sPattern = '/('.str_replace('#', '|', preg_quote(implode('#', $aCaller), '/')).')$/si';
103
		foreach($x as $aStep) {
104
			// define the scripts which can read the configuration
105
			if(preg_match($sPattern, $aStep['file'])) {
106
				return true;
107
			}
108
		}
109
		throw new RuntimeException('illegal file request!');
110
	}
111
/**
112
 * Read DB settings from configuration file
113
 * @return array
114
 * @throws RuntimeException
115
 * 
116
 */
117
	function initReadSetupFile()
118
	{
119
	// check for valid file request. Becomes more stronger in next version
120
		initCheckValidCaller(array('save.php','index.php','config.php','upgrade-script.php'));
121
		$aCfg = array();
122

    
123
		$sSetupFile = dirname(dirname(__FILE__)).'/setup.ini.php';
124
		if(is_readable($sSetupFile)) {
125
			$aCfg = parse_ini_file($sSetupFile, true);
126
			foreach($aCfg['Constants'] as $key=>$value) {
127
				switch($key):
128
					case 'DEBUG':
129
						$value = filter_var($value, FILTER_VALIDATE_BOOLEAN);
130
						if(!defined('DEBUG')) { define('DEBUG', $value); }
131
						break;
132
					case 'WB_URL': // << case is set deprecated
133
					case 'AppUrl':
134
						$value = trim(str_replace('\\', '/', $value), '/'); 
135
						if(!defined('WB_URL')) { define('WB_URL', $value); }
136
						break;
137
					case 'ADMIN_DIRECTORY': // << case is set deprecated
138
					case 'AcpDir':
139
						$value = trim(str_replace('\\', '/', $value), '/'); 
140
						if(!defined('ADMIN_DIRECTORY')) { define('ADMIN_DIRECTORY', $value); }
141
						break;
142
					default:
143
						if(!defined($key)) { define($key, $value); }
144
						break;
145
				endswitch;
146
			}
147
		}
148
		return $aCfg;
149
//		throw new RuntimeException('unable to read setup.ini.php');
150
	}
151
 /**
152
 * GetDbConnectData
153
 * @param array $aCfg
154
 * @param string $sDbConnectType  can be 'url' or 'dsn'
155
 * @return array
156
 *
157
 */
158
	function initGetDbConnectData(array $aCfg, $sDbConnectType = 'url')
159
	{
160
		if(defined('DB_TYPE'))
161
		{
162
		// import constants for compatibility reasons
163
			$db = array();
164
			if(defined('DB_TYPE'))      { $db['type']         = DB_TYPE; }
165
			if(defined('DB_USERNAME'))  { $db['user']         = DB_USERNAME; }
166
			if(defined('DB_PASSWORD'))  { $db['pass']         = DB_PASSWORD; }
167
			if(defined('DB_HOST'))      { $db['host']         = DB_HOST; }
168
			if(defined('DB_PORT'))      { $db['port']         = DB_PORT; }
169
			if(defined('DB_NAME'))      { $db['name']         = DB_NAME; }
170
			if(defined('DB_CHARSET'))   { $db['charset']      = DB_CHARSET; }
171
			if(defined('TABLE_PREFIX')) { $db['table_prefix'] = TABLE_PREFIX; }
172
			$aCfg['DataBase'] = $db;
173
		}
174
		// sanitize values
175
		$db = $aCfg['DataBase'];
176
		$db['type'] = isset($db['type']) ? $db['type'] : 'mysql';
177
		$db['user'] = isset($db['user']) ? $db['user'] : 'foo';
178
		$db['pass'] = isset($db['pass']) ? $db['pass'] : 'bar';
179
		$db['host'] = isset($db['host']) ? $db['host'] : 'localhost';
180
		$db['port'] = isset($db['port']) ? $db['port'] : '3306';
181
		$db['port'] = ($db['port'] != '3306') ? $db['port'] : '';
182
		$db['name'] = isset($db['name']) ? $db['name'] : 'dummy';
183
		$db['charset'] = isset($db['charset']) ? trim($db['charset']) : 'utf8';
184
		$db['table_prefix'] = (isset($db['table_prefix']) ? $db['table_prefix'] : '');
185
		if(!defined('TABLE_PREFIX')) { define('TABLE_PREFIX', $db['table_prefix']); }
186
		if($sDbConnectType == 'dsn') {
187
		// build dsn to connect
188
			$aRetval[0] = $db['type'].':dbname='.$db['name'].';host='.$db['host'].';'
189
						. ($db['port'] != '' ? 'port='.(int)$db['port'].';' : '');
190
			$aRetval[1] = array('CHARSET' => $db['charset'], 'TABLE_PREFIX' => $db['table_prefix']);
191
			$aRetval[2] = array( 'user' => $db['user'], 'pass' => $db['pass']);
192
		}else { 
193
		// build url to connect
194
			$aRetval[0] = $db['type'].'://'.$db['user'].':'.$db['pass'].'@'
195
						. $db['host'].($db['port'] != '' ? ':'.$db['port'] : '').'/'.$db['name']
196
						. '?Charset='.$db['charset'].'&TablePrefix='.$db['table_prefix'];
197
		}
198
		return $aRetval;
199
	}
200

    
201
/* ***************************************************************************************
202
 * Start initialization                                                                  *
203
 ****************************************************************************************/
204
// initialize debug evaluation values ---	
205
	$starttime = array_sum(explode(" ",microtime()));
206
	$iPhpDeclaredClasses = sizeof(get_declared_classes());
207
	$sDbConnectType = 'url'; // depending from class WbDatabase it can be 'url' or 'dsn'
208
// PHP less then 5.3.2 is prohibited ---
209
	if (version_compare(PHP_VERSION, '5.3.2', '<')) {
210
		$sMsg = '<p style="color: #ff0000;">WebsiteBaker is not able to run with PHP-Version less then 5.3.2!!<br />'
211
		      . 'Please change your PHP-Version to any kind from 5.3.2 and up!<br />'
212
		      . 'If you have problems to solve that, ask your hosting provider for it.<br  />'
213
		      . 'The very best solution is the use of PHP-5.4 and up</p>';
214
		die($sMsg);
215
	}
216
// disable all kind of magic_quotes in PHP versions before 5.4 ---
217
	if (function_exists('get_magic_quotes_gpc') && filter_var(get_magic_quotes_gpc(), FILTER_VALIDATE_BOOLEAN)) {
218
		$sMsg = '<p style="color: #ff0000;">WebsiteBaker is not able to run with magic_quotes=on!!<br />'
219
		      . 'Please change your PHP-ini or add a _htaccess file to switch this setting to off!<br />'
220
		      . 'If you have problems to solve that, ask your hosting provider for it.<br  />'
221
		      . 'The very best solution is the use of PHP-5.4 and up</p>';
222
		die($sMsg);
223
	}
224
// load configuration ---
225
	$aCfg = initReadSetupFile();
226
// sanitize $_SERVER['HTTP_REFERER'] ---
227
	initSetInstallPathConstants();
228
	initSanitizeHttpReferer(WB_URL);
229
// register WB basic autoloader ---
230
	$sTmp = dirname(__FILE__).'/WbAutoloader.php';
231
	if(!class_exists('WbAutoloader')){ 
232
		include($sTmp);
233
	}
234
	WbAutoloader::doRegister(array(ADMIN_DIRECTORY=>'a', 'modules'=>'m', 'templates'=>'t', 'include'=>'i'));
235
// instantiate and initialize adaptor for temporary registry replacement ---
236
	WbAdaptor::getInstance()->getWbConstants();
237
// register TWIG autoloader ---
238
	$sTmp = dirname(dirname(__FILE__)).'/include/Sensio/Twig/lib/Twig/Autoloader.php';
239
	if(!class_exists('Twig_Autoloader')) { 
240
		include($sTmp); 
241
	}
242
	Twig_Autoloader::register();
243
// aktivate exceptionhandler ---
244
	if(!function_exists('globalExceptionHandler')) {
245
		include(dirname(__FILE__).'/globalExceptionHandler.php');
246
	}
247
// ---------------------------
248
// get Database connection data from configuration
249
	$aSqlData = initGetDbConnectData($aCfg, $sDbConnectType);
250
// Create global database instance ---
251
	$oDb = $database = WbDatabase::getInstance();
252
	if($sDbConnectType == 'dsn') {
253
		$bTmp = $oDb->doConnect($aSqlData[0], $aSqlData[1]['user'], $aSqlData[1]['pass'], $aSqlData[2]);
254
	}else {
255
		$bTmp = $oDb->doConnect($aSqlData[0]);
256
	}
257
// remove critical data from memory
258
	unset($aSqlData, $aCfg);
259

    
260
	if(!defined('TABLE_PREFIX')) { define('TABLE_PREFIX', $oDb->TablePrefix); }
261

    
262
// load global settings from database and define global consts from ---
263
	$sql = 'SELECT `name`, `value` FROM `'.TABLE_PREFIX.'settings`';
264
	if(($oSettings = $database->query($sql))) {
265
		if(!$oSettings->numRows()) { throw new AppException('no settings found'); }
266
		while($aSetting = $oSettings->fetchRow(MYSQL_ASSOC)) {
267
			//sanitize true/false values
268
			$aSetting['value'] = ($aSetting['value'] == 'true' 
269
								  ? true 
270
								  : ($aSetting['value'] == 'false' 
271
									 ? false 
272
									 : $aSetting['value'])
273
								 );
274
			$sSettingName = strtoupper($aSetting['name']);
275
			switch($sSettingName):
276
				case 'STRING_FILE_MODE':
277
					$iTmp = ((intval(octdec($aSetting['value'])) & ~0111)|0600);
278
					if(!defined('OCTAL_FILE_MODE')) { define('OCTAL_FILE_MODE', $iTmp); }
279
					if(!defined('STRING_FILE_MODE')) { define('STRING_FILE_MODE', sprintf('0%03o', $iTmp)); }
280
					break;
281
				case 'STRING_DIR_MODE':
282
					$iTmp = (intval(octdec($aSetting['value'])) |0711);
283
					if(!defined('OCTAL_DIR_MODE')) { define('OCTAL_DIR_MODE', $iTmp); }
284
					if(!defined('STRING_DIR_MODE')) { define('STRING_DIR_MODE', sprintf('0%03o', $iTmp)); }
285
					break;
286
				case 'PAGES_DIRECTORY':
287
					// sanitize pages_directory
288
					$sTmp = trim($aSetting['value'], '/');
289
					$sTmp = ($sTmp == '' ? '' : '/'.$sTmp);
290
					if(!defined('PAGES_DIRECTORY')) { define('PAGES_DIRECTORY', $sTmp); }
291
					break;
292
				default: // make global const from setting
293
					if(!defined($sSettingName)) { define($sSettingName, $aSetting['value']); }
294
					break;
295
			endswitch;
296
		}
297
	}else { throw new AppException($database->get_error()); }
298
// set error-reporting from loaded settings ---
299
	if(intval(ER_LEVEL) > 0 ) {
300
		error_reporting(ER_LEVEL);
301
		if( intval(ini_get ( 'display_errors' )) == 0 ) {
302
			ini_set('display_errors', 1);
303
		}
304
	}
305
// Start a session ---
306
	if(!defined('SESSION_STARTED')) {
307
		session_name(APP_NAME.'_session_id');
308
		@session_start();
309
		define('SESSION_STARTED', true);
310
	}
311
// get/set server timezone ---
312
	if(!defined('SERVER_TIMEZONE')) { define('SERVER_TIMEZONE', "UTC"); }
313
	date_default_timezone_set( SERVER_TIMEZONE );
314
	if(!defined('MAX_TIME')) { define('MAX_TIME', (pow(2, 31)-1)); } // 32-Bit Timestamp of 19 Jan 2038 03:14:07 GMT
315
	$sTmp = (isset($_SERVER['HTTP_DNT']) && $_SERVER['HTTP_DNT'] != '') ? $_SERVER['HTTP_DNT'] : '0';
316
	if(!defined('DO_NOT_TRACK')) { define('DO_NOT_TRACK', ($sTmp[0] == '1')); }
317
// get/set users timezone ---
318
	if(!defined('TIMEZONE')) { define('TIMEZONE', (isset($_SESSION['TIMEZONE']) ? $_SESSION['TIMEZONE'] : DEFAULT_TIMEZONE)); }
319
	if(!defined('DATE_FORMAT')) { define('DATE_FORMAT', (isset($_SESSION['DATE_FORMAT']) ? $_SESSION['DATE_FORMAT'] : DEFAULT_DATE_FORMAT)); }
320
	if(!defined('TIME_FORMAT')) { define('TIME_FORMAT', (isset($_SESSION['TIME_FORMAT']) ? $_SESSION['TIME_FORMAT'] : DEFAULT_TIME_FORMAT)); }
321
// set Theme directory --- 
322
	if(!defined('THEMA_URL')) { define('THEME_URL',  WB_URL.'/templates/'.DEFAULT_THEME); }
323
	if(!defined('THEME_PATH')) { define('THEME_PATH', WB_PATH.'/templates/'.DEFAULT_THEME); }
324
	if(!defined('THEME_REL')) { define('THEME_REL',  WB_REL.'/templates/'.DEFAULT_THEME); }
325
// extended wb editor settings
326
	if(!defined('EDIT_ONE_SECTION')) { define('EDIT_ONE_SECTION', false); }
327
	if(!defined('EDITOR_WIDTH')) { define('EDITOR_WIDTH', 0); }
328
// define form security class and preload it ---
329
	$sSecMod = (defined('SECURE_FORM_MODULE') && SECURE_FORM_MODULE != '') ? '.'.SECURE_FORM_MODULE : '';
330
	$sSecMod = WB_PATH.'/framework/SecureForm'.$sSecMod.'.php';
331
	require_once($sSecMod);
332
// *** begin deprecated part *************************************************************
333
// load settings for use in Captch and ASP module
334
	if (!defined('WB_INSTALL_PROCESS') && !defined('ENABLED_CAPTCHA')) {
335
		$sql = 'SELECT * FROM `'.TABLE_PREFIX.'mod_captcha_control`';
336
		// request settings from database
337
		if(($oSettings = $database->query($sql))) {
338
			if(($aSetting = $oSettings->fetchRow(MYSQL_ASSOC))) {
339
				define('ENABLED_CAPTCHA', ($aSetting['enabled_captcha'] == '1'));
340
				define('ENABLED_ASP', ($aSetting['enabled_asp'] == '1'));
341
				define('CAPTCHA_TYPE', $aSetting['captcha_type']);
342
				define('ASP_SESSION_MIN_AGE', (int)$aSetting['asp_session_min_age']);
343
				define('ASP_VIEW_MIN_AGE', (int)$aSetting['asp_view_min_age']);
344
				define('ASP_INPUT_MIN_AGE', (int)$aSetting['asp_input_min_age']);
345
			}
346
		}
347
	}
348
	if(defined('ENABLED_ASP') && ENABLED_ASP && !isset($_SESSION['session_started'])) {
349
		$_SESSION['session_started'] = time();
350
	}
351
// *** end of deprecated part ************************************************************
352
// get user language ---
353
	$sRequestMethod = '_'.strtoupper($_SERVER['REQUEST_METHOD']);
354
	// check if get/post value is available
355
	$sTempLanguage = (isset(${$sRequestMethod}['lang']) ? ${$sRequestMethod}['lang'] : '');
356
	// validate language code
357
	if(preg_match('/^[a-z]{2}$/si', $sTempLanguage)) {
358
	// if there's valid get/post
359
		define('LANGUAGE', strtoupper($sTempLanguage));
360
		$_SESSION['LANGUAGE']=LANGUAGE;
361
	}else {
362
		if(isset($_SESSION['LANGUAGE']) && $_SESSION['LANGUAGE']) {
363
		// if there's valid session value
364
			define('LANGUAGE', $_SESSION['LANGUAGE']);
365
		}else {
366
		// otherwise set to default
367
			define('LANGUAGE', DEFAULT_LANGUAGE);
368
		}
369
	}
370
// activate translations / load language definitions
371
/** begin of deprecated part || will be replaced by class Translate **/	
372
// Load Language file
373
	if(!file_exists(WB_PATH.'/languages/'.LANGUAGE.'.php')) {
374
		$sMsg = 'Error loading language file '.LANGUAGE.', please check configuration';
375
		throw new AppException($sMsg);
376
	} else {
377
	// include language file
378
		require_once(WB_PATH.'/languages/'.LANGUAGE.'.php');
379
	}
380
/** end of deprecated part **/
381
// instantiate and initialize adaptor for temporary registry replacement ---
382
	WbAdaptor::getInstance()->getWbConstants();
383
// load and activate new global translation table
384
	Translate::getInstance()->initialize('en',
385
										 (defined('DEFAULT_LANGUAGE') ? DEFAULT_LANGUAGE : ''), 
386
										 (defined('LANGUAGE') ? LANGUAGE : ''),
387
										 'WbOldStyle',
388
										 (Translate::CACHE_DISABLED|Translate::KEEP_MISSING)
389
//										 (DEBUG ? Translate::CACHE_DISABLED|Translate::KEEP_MISSING : 0)
390
										);
391
	if(!class_exists('PasswordHash', false)) { include(WB_PATH.'/include/phpass/PasswordHash.php'); }
392
	$oPass = Password::getInstance(new PasswordHash(Password::CRYPT_LOOPS_DEFAULT, Password::HASH_TYPE_AUTO));
393
	if(defined('PASSWORD_CRYPT_LOOPS')) { $oPass->setIteration(PASSWORD_CRYPT_LOOPS); }
394
	if(defined('PASSWORD_HASH_TYPES'))  { $oPass->setHashType(PASSWORD_HASH_TYPES); }
395
// *** END OF FILE ***********************************************************************
396
 
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