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  1. <?php
  2. namespace wcf\system;
  3. use wcf\data\application\Application;
  4. use wcf\data\option\OptionEditor;
  5. use wcf\data\package\Package;
  6. use wcf\data\package\PackageCache;
  7. use wcf\data\package\PackageEditor;
  8. use wcf\system\application\ApplicationHandler;
  9. use wcf\system\cache\builder\CoreObjectCacheBuilder;
  10. use wcf\system\cache\builder\PackageUpdateCacheBuilder;
  11. use wcf\system\cronjob\CronjobScheduler;
  12. use wcf\system\event\EventHandler;
  13. use wcf\system\exception\AJAXException;
  14. use wcf\system\exception\IPrintableException;
  15. use wcf\system\exception\NamedUserException;
  16. use wcf\system\exception\PermissionDeniedException;
  17. use wcf\system\exception\SystemException;
  18. use wcf\system\language\LanguageFactory;
  19. use wcf\system\package\PackageInstallationDispatcher;
  20. use wcf\system\request\RouteHandler;
  21. use wcf\system\session\SessionFactory;
  22. use wcf\system\session\SessionHandler;
  23. use wcf\system\style\StyleHandler;
  24. use wcf\system\template\TemplateEngine;
  25. use wcf\system\user\storage\UserStorageHandler;
  26. use wcf\util\ArrayUtil;
  27. use wcf\util\ClassUtil;
  28. use wcf\util\FileUtil;
  29. use wcf\util\StringUtil;
  30. use wcf\util\UserUtil;
  31.  
  32. // try to set a time-limit to infinite
  33. @set_time_limit(0);
  34.  
  35. // fix timezone warning issue
  36. if (!@ini_get('date.timezone')) {
  37. @date_default_timezone_set('Europe/London');
  38. }
  39.  
  40. // define current wcf version
  41. define('WCF_VERSION', '2.1.12 (Typhoon)');
  42.  
  43. // define current unix timestamp
  44. define('TIME_NOW', time());
  45.  
  46. // wcf imports
  47. if (!defined('NO_IMPORTS')) {
  48. require_once(WCF_DIR.'lib/core.functions.php');
  49. }
  50.  
  51. /**
  52. * WCF is the central class for the community framework.
  53. * It holds the database connection, access to template and language engine.
  54. *
  55. * @author Marcel Werk
  56. * @copyright 2001-2016 WoltLab GmbH
  57. * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  58. * @package com.woltlab.wcf
  59. * @subpackage system
  60. * @category Community Framework
  61. */
  62. class WCF {
  63. /**
  64. * list of currently loaded applications
  65. * @var array<\wcf\data\application\Application>
  66. */
  67. protected static $applications = array();
  68.  
  69. /**
  70. * list of currently loaded application objects
  71. * @var array<\wcf\system\application\IApplication>
  72. */
  73. protected static $applicationObjects = array();
  74.  
  75. /**
  76. * list of autoload directories
  77. * @var array
  78. */
  79. protected static $autoloadDirectories = array();
  80.  
  81. /**
  82. * list of unique instances of each core object
  83. * @var array<\wcf\system\SingletonFactory>
  84. */
  85. protected static $coreObject = array();
  86.  
  87. /**
  88. * list of cached core objects
  89. * @var array<array>
  90. */
  91. protected static $coreObjectCache = array();
  92.  
  93. /**
  94. * database object
  95. * @var \wcf\system\database\Database
  96. */
  97. protected static $dbObj = null;
  98.  
  99. /**
  100. * language object
  101. * @var \wcf\data\language\Language
  102. */
  103. protected static $languageObj = null;
  104.  
  105. /**
  106. * overrides disabled debug mode
  107. * @var boolean
  108. */
  109. protected static $overrideDebugMode = false;
  110.  
  111. /**
  112. * session object
  113. * @var \wcf\system\session\SessionHandler
  114. */
  115. protected static $sessionObj = null;
  116.  
  117. /**
  118. * template object
  119. * @var \wcf\system\template\TemplateEngine
  120. */
  121. protected static $tplObj = null;
  122.  
  123. /**
  124. * true if Zend Opcache is loaded and enabled
  125. * @var boolean
  126. */
  127. protected static $zendOpcacheEnabled = null;
  128.  
  129. /**
  130. * Calls all init functions of the WCF class.
  131. */
  132. public function __construct() {
  133. // add autoload directory
  134. self::$autoloadDirectories['wcf'] = WCF_DIR . 'lib/';
  135.  
  136. // define tmp directory
  137. if (!defined('TMP_DIR')) define('TMP_DIR', FileUtil::getTempFolder());
  138.  
  139. // start initialization
  140. $this->initMagicQuotes();
  141. $this->initDB();
  142. $this->loadOptions();
  143. $this->initSession();
  144. $this->initLanguage();
  145. $this->initTPL();
  146. $this->initCronjobs();
  147. $this->initCoreObjects();
  148. $this->initApplications();
  149. $this->initBlacklist();
  150.  
  151. EventHandler::getInstance()->fireAction($this, 'initialized');
  152. }
  153.  
  154. /**
  155. * Replacement of the "__destruct()" method.
  156. * Seems that under specific conditions (windows) the destructor is not called automatically.
  157. * So we use the php register_shutdown_function to register an own destructor method.
  158. * Flushs the output, closes caches and updates the session.
  159. */
  160. public static function destruct() {
  161. try {
  162. // database has to be initialized
  163. if (!is_object(self::$dbObj)) return;
  164.  
  165. // flush output
  166. if (ob_get_level() && ini_get('output_handler')) {
  167. ob_flush();
  168. }
  169. else {
  170. flush();
  171. }
  172.  
  173. // update session
  174. if (is_object(self::getSession())) {
  175. self::getSession()->update();
  176. }
  177.  
  178. // execute shutdown actions of user storage handler
  179. UserStorageHandler::getInstance()->shutdown();
  180. }
  181. catch (\Exception $exception) {
  182. die("<pre>WCF::destruct() Unhandled exception: ".$exception->getMessage()."\n\n".$exception->getTraceAsString());
  183. }
  184. }
  185.  
  186. /**
  187. * Removes slashes in superglobal gpc data arrays if 'magic quotes gpc' is enabled.
  188. */
  189. protected function initMagicQuotes() {
  190. if (function_exists('get_magic_quotes_gpc')) {
  191. if (@get_magic_quotes_gpc()) {
  192. if (!empty($_REQUEST)) {
  193. $_REQUEST = ArrayUtil::stripslashes($_REQUEST);
  194. }
  195. if (!empty($_POST)) {
  196. $_POST = ArrayUtil::stripslashes($_POST);
  197. }
  198. if (!empty($_GET)) {
  199. $_GET = ArrayUtil::stripslashes($_GET);
  200. }
  201. if (!empty($_COOKIE)) {
  202. $_COOKIE = ArrayUtil::stripslashes($_COOKIE);
  203. }
  204. if (!empty($_FILES)) {
  205. foreach ($_FILES as $name => $attributes) {
  206. foreach ($attributes as $key => $value) {
  207. if ($key != 'tmp_name') {
  208. $_FILES[$name][$key] = ArrayUtil::stripslashes($value);
  209. }
  210. }
  211. }
  212. }
  213. }
  214. }
  215.  
  216. if (function_exists('set_magic_quotes_runtime')) {
  217. @set_magic_quotes_runtime(0);
  218. }
  219. }
  220.  
  221. /**
  222. * Returns the database object.
  223. *
  224. * @return \wcf\system\database\Database
  225. */
  226. public static final function getDB() {
  227. return self::$dbObj;
  228. }
  229.  
  230. /**
  231. * Returns the session object.
  232. *
  233. * @return \wcf\system\session\SessionHandler
  234. */
  235. public static final function getSession() {
  236. return self::$sessionObj;
  237. }
  238.  
  239. /**
  240. * Returns the user object.
  241. *
  242. * @return \wcf\data\user\User
  243. */
  244. public static final function getUser() {
  245. return self::getSession()->getUser();
  246. }
  247.  
  248. /**
  249. * Returns the language object.
  250. *
  251. * @return \wcf\data\language\Language
  252. */
  253. public static final function getLanguage() {
  254. return self::$languageObj;
  255. }
  256.  
  257. /**
  258. * Returns the template object.
  259. *
  260. * @return \wcf\system\template\TemplateEngine
  261. */
  262. public static final function getTPL() {
  263. return self::$tplObj;
  264. }
  265.  
  266. /**
  267. * Calls the show method on the given exception.
  268. *
  269. * @param \Exception $e
  270. */
  271. public static final function handleException($e) {
  272. try {
  273. if (!($e instanceof \Exception)) throw $e;
  274.  
  275. if ($e instanceof IPrintableException) {
  276. $e->show();
  277. exit;
  278. }
  279.  
  280. // repack Exception
  281. self::handleException(new SystemException($e->getMessage(), $e->getCode(), '', $e));
  282. }
  283. catch (\Throwable $exception) {
  284. die("<pre>WCF::handleException() Unhandled exception: ".$exception->getMessage()."\n\n".preg_replace('/Database->__construct\(.*\)/', 'Database->__construct(...)', $exception->getTraceAsString()));
  285. }
  286. catch (\Exception $exception) {
  287. die("<pre>WCF::handleException() Unhandled exception: ".$exception->getMessage()."\n\n".preg_replace('/Database->__construct\(.*\)/', 'Database->__construct(...)', $exception->getTraceAsString()));
  288. }
  289. }
  290.  
  291. /**
  292. * Catches php errors and throws instead a system exception.
  293. *
  294. * @param integer $errorNo
  295. * @param string $message
  296. * @param string $filename
  297. * @param integer $lineNo
  298. */
  299. public static final function handleError($errorNo, $message, $filename, $lineNo) {
  300. if (error_reporting() != 0) {
  301. $type = 'error';
  302. switch ($errorNo) {
  303. case 2: $type = 'warning';
  304. break;
  305. case 8: $type = 'notice';
  306. break;
  307. }
  308.  
  309. throw new SystemException('PHP '.$type.' in file '.$filename.' ('.$lineNo.'): '.$message, 0);
  310. }
  311. }
  312.  
  313. /**
  314. * Loads the database configuration and creates a new connection to the database.
  315. */
  316. protected function initDB() {
  317. // get configuration
  318. $dbHost = $dbUser = $dbPassword = $dbName = '';
  319. $dbPort = 0;
  320. $dbClass = 'wcf\system\database\MySQLDatabase';
  321. require(WCF_DIR.'config.inc.php');
  322.  
  323. // create database connection
  324. self::$dbObj = new $dbClass($dbHost, $dbUser, $dbPassword, $dbName, $dbPort);
  325. }
  326.  
  327. /**
  328. * Loads the options file, automatically created if not exists.
  329. */
  330. protected function loadOptions() {
  331. $filename = WCF_DIR.'options.inc.php';
  332.  
  333. // create options file if doesn't exist
  334. if (!file_exists($filename) || filemtime($filename) <= 1) {
  335. OptionEditor::rebuild();
  336. }
  337. require_once($filename);
  338. }
  339.  
  340. /**
  341. * Starts the session system.
  342. */
  343. protected function initSession() {
  344. $factory = new SessionFactory();
  345. $factory->load();
  346.  
  347. self::$sessionObj = SessionHandler::getInstance();
  348. }
  349.  
  350. /**
  351. * Initialises the language engine.
  352. */
  353. protected function initLanguage() {
  354. if (isset($_GET['l']) && !self::getUser()->userID) {
  355. self::getSession()->setLanguageID(intval($_GET['l']));
  356. }
  357.  
  358. // set mb settings
  359. mb_internal_encoding('UTF-8');
  360. if (function_exists('mb_regex_encoding')) mb_regex_encoding('UTF-8');
  361. mb_language('uni');
  362.  
  363. // get language
  364. self::$languageObj = LanguageFactory::getInstance()->getUserLanguage(self::getSession()->getLanguageID());
  365. }
  366.  
  367. /**
  368. * Initialises the template engine.
  369. */
  370. protected function initTPL() {
  371. self::$tplObj = TemplateEngine::getInstance();
  372. self::getTPL()->setLanguageID(self::getLanguage()->languageID);
  373. $this->assignDefaultTemplateVariables();
  374.  
  375. $this->initStyle();
  376. }
  377.  
  378. /**
  379. * Initializes the user's style.
  380. */
  381. protected function initStyle() {
  382. if (isset($_REQUEST['styleID'])) {
  383. self::getSession()->setStyleID(intval($_REQUEST['styleID']));
  384. }
  385.  
  386. StyleHandler::getInstance()->changeStyle(self::getSession()->getStyleID());
  387. }
  388.  
  389. /**
  390. * Executes the blacklist.
  391. */
  392. protected function initBlacklist() {
  393. $isAjax = isset($_SERVER['HTTP_X_REQUESTED_WITH']) && ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest');
  394.  
  395. if (defined('BLACKLIST_IP_ADDRESSES') && BLACKLIST_IP_ADDRESSES != '') {
  396. if (!StringUtil::executeWordFilter(UserUtil::convertIPv6To4(self::getSession()->ipAddress), BLACKLIST_IP_ADDRESSES)) {
  397. if ($isAjax) {
  398. throw new AJAXException(self::getLanguage()->get('wcf.ajax.error.permissionDenied'), AJAXException::INSUFFICIENT_PERMISSIONS);
  399. }
  400. else {
  401. throw new PermissionDeniedException();
  402. }
  403. }
  404. else if (!StringUtil::executeWordFilter(self::getSession()->ipAddress, BLACKLIST_IP_ADDRESSES)) {
  405. if ($isAjax) {
  406. throw new AJAXException(self::getLanguage()->get('wcf.ajax.error.permissionDenied'), AJAXException::INSUFFICIENT_PERMISSIONS);
  407. }
  408. else {
  409. throw new PermissionDeniedException();
  410. }
  411. }
  412. }
  413. if (defined('BLACKLIST_USER_AGENTS') && BLACKLIST_USER_AGENTS != '') {
  414. if (!StringUtil::executeWordFilter(self::getSession()->userAgent, BLACKLIST_USER_AGENTS)) {
  415. if ($isAjax) {
  416. throw new AJAXException(self::getLanguage()->get('wcf.ajax.error.permissionDenied'), AJAXException::INSUFFICIENT_PERMISSIONS);
  417. }
  418. else {
  419. throw new PermissionDeniedException();
  420. }
  421. }
  422. }
  423. if (defined('BLACKLIST_HOSTNAMES') && BLACKLIST_HOSTNAMES != '') {
  424. if (!StringUtil::executeWordFilter(@gethostbyaddr(self::getSession()->ipAddress), BLACKLIST_HOSTNAMES)) {
  425. if ($isAjax) {
  426. throw new AJAXException(self::getLanguage()->get('wcf.ajax.error.permissionDenied'), AJAXException::INSUFFICIENT_PERMISSIONS);
  427. }
  428. else {
  429. throw new PermissionDeniedException();
  430. }
  431. }
  432. }
  433.  
  434. // handle banned users
  435. if (self::getUser()->userID && self::getUser()->banned) {
  436. if ($isAjax) {
  437. throw new AJAXException(self::getLanguage()->getDynamicVariable('wcf.user.error.isBanned'), AJAXException::INSUFFICIENT_PERMISSIONS);
  438. }
  439. else {
  440. throw new NamedUserException(self::getLanguage()->getDynamicVariable('wcf.user.error.isBanned'));
  441. }
  442. }
  443. }
  444.  
  445. /**
  446. * Initializes applications.
  447. */
  448. protected function initApplications() {
  449. // step 1) load all applications
  450. $loadedApplications = array();
  451.  
  452. // register WCF as application
  453. self::$applications['wcf'] = ApplicationHandler::getInstance()->getWCF();
  454.  
  455. if (PACKAGE_ID == 1) {
  456. return;
  457. }
  458.  
  459. // start main application
  460. $application = ApplicationHandler::getInstance()->getActiveApplication();
  461. $loadedApplications[] = $this->loadApplication($application);
  462.  
  463. // register primary application
  464. $abbreviation = ApplicationHandler::getInstance()->getAbbreviation($application->packageID);
  465. self::$applications[$abbreviation] = $application;
  466.  
  467. // start dependent applications
  468. $applications = ApplicationHandler::getInstance()->getDependentApplications();
  469. foreach ($applications as $application) {
  470. $loadedApplications[] = $this->loadApplication($application, true);
  471. }
  472.  
  473. // step 2) run each application
  474. if (!class_exists('wcf\system\WCFACP', false)) {
  475. foreach ($loadedApplications as $application) {
  476. $application->__run();
  477. }
  478.  
  479. // refresh the session 1 minute before it expires
  480. self::getTPL()->assign('__sessionKeepAlive', (SESSION_TIMEOUT - 60));
  481. }
  482. }
  483.  
  484. /**
  485. * Loads an application.
  486. *
  487. * @param \wcf\data\application\Application $application
  488. * @param boolean $isDependentApplication
  489. * @return \wcf\system\application\IApplication
  490. */
  491. protected function loadApplication(Application $application, $isDependentApplication = false) {
  492. $applicationObject = null;
  493. $package = PackageCache::getInstance()->getPackage($application->packageID);
  494. // package cache might be outdated
  495. if ($package === null) {
  496. $package = new Package($application->packageID);
  497.  
  498. // package cache is outdated, discard cache
  499. if ($package->packageID) {
  500. PackageEditor::resetCache();
  501. }
  502. else {
  503. // package id is invalid
  504. throw new SystemException("application identified by package id '".$application->packageID."' is unknown");
  505. }
  506. }
  507.  
  508. $abbreviation = ApplicationHandler::getInstance()->getAbbreviation($application->packageID);
  509. $packageDir = FileUtil::getRealPath(WCF_DIR.$package->packageDir);
  510. self::$autoloadDirectories[$abbreviation] = $packageDir . 'lib/';
  511.  
  512. $className = $abbreviation.'\system\\'.strtoupper($abbreviation).'Core';
  513. if (class_exists($className) && ClassUtil::isInstanceOf($className, 'wcf\system\application\IApplication')) {
  514. // include config file
  515. $configPath = $packageDir . PackageInstallationDispatcher::CONFIG_FILE;
  516. if (file_exists($configPath)) {
  517. require_once($configPath);
  518. }
  519. else {
  520. throw new SystemException('Unable to load configuration for '.$package->package);
  521. }
  522.  
  523. // register template path if not within ACP
  524. if (!class_exists('wcf\system\WCFACP', false)) {
  525. // add template path and abbreviation
  526. $this->getTPL()->addApplication($abbreviation, $packageDir . 'templates/');
  527. }
  528.  
  529. // init application and assign it as template variable
  530. self::$applicationObjects[$application->packageID] = call_user_func(array($className, 'getInstance'));
  531. $this->getTPL()->assign('__'.$abbreviation, self::$applicationObjects[$application->packageID]);
  532. }
  533. else {
  534. unset(self::$autoloadDirectories[$abbreviation]);
  535. throw new SystemException("Unable to run '".$package->package."', '".$className."' is missing or does not implement 'wcf\system\application\IApplication'.");
  536. }
  537.  
  538. // register template path in ACP
  539. if (class_exists('wcf\system\WCFACP', false)) {
  540. $this->getTPL()->addApplication($abbreviation, $packageDir . 'acp/templates/');
  541. }
  542. else if (!$isDependentApplication) {
  543. // assign base tag
  544. $this->getTPL()->assign('baseHref', $application->getPageURL());
  545. }
  546.  
  547. // register application
  548. self::$applications[$abbreviation] = $application;
  549.  
  550. return self::$applicationObjects[$application->packageID];
  551. }
  552.  
  553. /**
  554. * Returns the corresponding application object. Does not support the 'wcf' pseudo application.
  555. *
  556. * @param \wcf\data\application\Application $application
  557. * @return \wcf\system\application\IApplication
  558. */
  559. public static function getApplicationObject(Application $application) {
  560. if (isset(self::$applicationObjects[$application->packageID])) {
  561. return self::$applicationObjects[$application->packageID];
  562. }
  563.  
  564. return null;
  565. }
  566.  
  567. /**
  568. * Loads an application on runtime, do not use this outside the package installation.
  569. *
  570. * @param integer $packageID
  571. */
  572. public static function loadRuntimeApplication($packageID) {
  573. $package = new Package($packageID);
  574. $application = new Application($packageID);
  575.  
  576. $abbreviation = Package::getAbbreviation($package->package);
  577. $packageDir = FileUtil::getRealPath(WCF_DIR.$package->packageDir);
  578. self::$autoloadDirectories[$abbreviation] = $packageDir . 'lib/';
  579. self::$applications[$abbreviation] = $application;
  580. self::getTPL()->addApplication($abbreviation, $packageDir . 'acp/templates/');
  581. }
  582.  
  583. /**
  584. * Initializes core object cache.
  585. */
  586. protected function initCoreObjects() {
  587. // ignore core objects if installing WCF
  588. if (PACKAGE_ID == 0) {
  589. return;
  590. }
  591.  
  592. self::$coreObjectCache = CoreObjectCacheBuilder::getInstance()->getData();
  593. }
  594.  
  595. /**
  596. * Assigns some default variables to the template engine.
  597. */
  598. protected function assignDefaultTemplateVariables() {
  599. self::getTPL()->registerPrefilter(array('event', 'hascontent', 'lang'));
  600. self::getTPL()->assign(array(
  601. '__wcf' => $this,
  602. '__wcfVersion' => LAST_UPDATE_TIME // @deprecated since 2.1, use LAST_UPDATE_TIME directly
  603. ));
  604. }
  605.  
  606. /**
  607. * Wrapper for the getter methods of this class.
  608. *
  609. * @param string $name
  610. * @return mixed value
  611. */
  612. public function __get($name) {
  613. $method = 'get'.ucfirst($name);
  614. if (method_exists($this, $method)) {
  615. return $this->$method();
  616. }
  617.  
  618. throw new SystemException("method '".$method."' does not exist in class WCF");
  619. }
  620.  
  621. /**
  622. * Changes the active language.
  623. *
  624. * @param integer $languageID
  625. */
  626. public static final function setLanguage($languageID) {
  627. self::$languageObj = LanguageFactory::getInstance()->getLanguage($languageID);
  628. self::getTPL()->setLanguageID(self::getLanguage()->languageID);
  629. }
  630.  
  631. /**
  632. * Includes the required util or exception classes automatically.
  633. *
  634. * @param string $className
  635. * @see spl_autoload_register()
  636. */
  637. public static final function autoload($className) {
  638. $namespaces = explode('\\', $className);
  639. if (count($namespaces) > 1) {
  640. $applicationPrefix = array_shift($namespaces);
  641. if ($applicationPrefix === '') {
  642. $applicationPrefix = array_shift($namespaces);
  643. }
  644. if (isset(self::$autoloadDirectories[$applicationPrefix])) {
  645. $classPath = self::$autoloadDirectories[$applicationPrefix] . implode('/', $namespaces) . '.class.php';
  646. if (file_exists($classPath)) {
  647. require_once($classPath);
  648. }
  649. }
  650. }
  651. }
  652.  
  653. /**
  654. * @see \wcf\system\WCF::__callStatic()
  655. */
  656. public final function __call($name, array $arguments) {
  657. // bug fix to avoid php crash, see http://bugs.php.net/bug.php?id=55020
  658. if (!method_exists($this, $name)) {
  659. return self::__callStatic($name, $arguments);
  660. }
  661.  
  662. return $this->$name($arguments);
  663. }
  664.  
  665. /**
  666. * Returns dynamically loaded core objects.
  667. *
  668. * @param string $name
  669. * @param array $arguments
  670. */
  671. public static final function __callStatic($name, array $arguments) {
  672. $className = preg_replace('~^get~', '', $name);
  673.  
  674. if (isset(self::$coreObject[$className])) {
  675. return self::$coreObject[$className];
  676. }
  677.  
  678. $objectName = self::getCoreObject($className);
  679. if ($objectName === null) {
  680. throw new SystemException("Core object '".$className."' is unknown.");
  681. }
  682.  
  683. if (class_exists($objectName)) {
  684. if (!(ClassUtil::isInstanceOf($objectName, 'wcf\system\SingletonFactory'))) {
  685. throw new SystemException("class '".$objectName."' does not implement the interface 'SingletonFactory'");
  686. }
  687.  
  688. self::$coreObject[$className] = call_user_func(array($objectName, 'getInstance'));
  689. return self::$coreObject[$className];
  690. }
  691. }
  692.  
  693. /**
  694. * Searches for cached core object definition.
  695. *
  696. * @param string $className
  697. * @return string
  698. */
  699. protected static final function getCoreObject($className) {
  700. if (isset(self::$coreObjectCache[$className])) {
  701. return self::$coreObjectCache[$className];
  702. }
  703.  
  704. return null;
  705. }
  706.  
  707. /**
  708. * Returns true if the debug mode is enabled, otherwise false.
  709. *
  710. * @param boolean $ignoreACP
  711. * @return boolean
  712. */
  713. public static function debugModeIsEnabled($ignoreACP = false) {
  714. // ACP override
  715. if (!$ignoreACP && self::$overrideDebugMode) {
  716. return true;
  717. }
  718. else if (defined('ENABLE_DEBUG_MODE') && ENABLE_DEBUG_MODE) {
  719. return true;
  720. }
  721.  
  722. return false;
  723. }
  724.  
  725. /**
  726. * Returns true if benchmarking is enabled, otherwise false.
  727. *
  728. * @return boolean
  729. */
  730. public static function benchmarkIsEnabled() {
  731. // benchmarking is enabled by default
  732. if (!defined('ENABLE_BENCHMARK') || ENABLE_BENCHMARK) return true;
  733. return false;
  734. }
  735.  
  736. /**
  737. * Returns domain path for given application.
  738. *
  739. * @param string $abbreviation
  740. * @return string
  741. */
  742. public static function getPath($abbreviation = 'wcf') {
  743. // workaround during WCFSetup
  744. if (!PACKAGE_ID) {
  745. return '../';
  746. }
  747.  
  748. if (!isset(self::$applications[$abbreviation])) {
  749. $abbreviation = 'wcf';
  750. }
  751.  
  752. return self::$applications[$abbreviation]->getPageURL();
  753. }
  754.  
  755. /**
  756. * Returns a fully qualified anchor for current page.
  757. *
  758. * @param string $fragment
  759. * @return string
  760. */
  761. public function getAnchor($fragment) {
  762. return self::getRequestURI() . '#' . $fragment;
  763. }
  764.  
  765. /**
  766. * Returns the URI of the current page.
  767. *
  768. * @return string
  769. */
  770. public static function getRequestURI() {
  771. if (URL_LEGACY_MODE) {
  772. // resolve path and query components
  773. $scriptName = $_SERVER['SCRIPT_NAME'];
  774. $pathInfo = RouteHandler::getPathInfo();
  775. if (empty($pathInfo)) {
  776. // bug fix if URL omits script name and path
  777. $scriptName = substr($scriptName, 0, strrpos($scriptName, '/'));
  778. }
  779.  
  780. $path = str_replace('/index.php', '', str_replace($scriptName, '', $_SERVER['REQUEST_URI']));
  781. if (!StringUtil::isUTF8($path)) {
  782. $path = StringUtil::convertEncoding('ISO-8859-1', 'UTF-8', $path);
  783. }
  784. $path = FileUtil::removeLeadingSlash($path);
  785. $baseHref = self::getTPL()->get('baseHref');
  786.  
  787. if (!empty($path) && mb_strpos($path, '?') !== 0) {
  788. $baseHref .= 'index.php/';
  789. }
  790.  
  791. return $baseHref . $path;
  792. }
  793. else {
  794. $url = preg_replace('~^(https?://[^/]+)(?:/.*)?$~', '$1', self::getTPL()->get('baseHref'));
  795. $url .= $_SERVER['REQUEST_URI'];
  796.  
  797. return $url;
  798. }
  799. }
  800.  
  801. /**
  802. * Resets Zend Opcache cache if installed and enabled.
  803. *
  804. * @param string $script
  805. */
  806. public static function resetZendOpcache($script = '') {
  807. if (self::$zendOpcacheEnabled === null) {
  808. self::$zendOpcacheEnabled = false;
  809.  
  810. if (extension_loaded('Zend Opcache') && @ini_get('opcache.enable')) {
  811. self::$zendOpcacheEnabled = true;
  812. }
  813.  
  814. }
  815.  
  816. if (self::$zendOpcacheEnabled) {
  817. if (empty($script)) {
  818. opcache_reset();
  819. }
  820. else {
  821. opcache_invalidate($script, true);
  822. }
  823. }
  824. }
  825.  
  826. /**
  827. * Returns style handler.
  828. *
  829. * @return \wcf\system\style\StyleHandler
  830. */
  831. public function getStyleHandler() {
  832. return StyleHandler::getInstance();
  833. }
  834.  
  835. /**
  836. * Returns number of available updates.
  837. *
  838. * @return integer
  839. */
  840. public function getAvailableUpdates() {
  841. $data = PackageUpdateCacheBuilder::getInstance()->getData();
  842. return $data['updates'];
  843. }
  844.  
  845. /**
  846. * Returns a 8 character prefix for editor autosave.
  847. *
  848. * @return string
  849. */
  850. public function getAutosavePrefix() {
  851. return substr(sha1(preg_replace('~^https~', 'http', self::getPath())), 0, 8);
  852. }
  853.  
  854. /**
  855. * Returns the favicon URL or a base64 encoded image.
  856. *
  857. * @return string
  858. */
  859. public function getFavicon() {
  860. $activeApplication = ApplicationHandler::getInstance()->getActiveApplication();
  861. $primaryApplication = ApplicationHandler::getInstance()->getPrimaryApplication();
  862.  
  863. if ($activeApplication->domainName != $primaryApplication->domainName) {
  864. if (file_exists(WCF_DIR.'images/favicon.ico')) {
  865. $favicon = file_get_contents(WCF_DIR.'images/favicon.ico');
  866.  
  867. return 'data:image/x-icon;base64,' . base64_encode($favicon);
  868. }
  869. }
  870.  
  871. return self::getPath() . 'images/favicon.ico';
  872. }
  873.  
  874. /**
  875. * Initialises the cronjobs.
  876. */
  877. protected function initCronjobs() {
  878. if (PACKAGE_ID) {
  879. self::getTPL()->assign('executeCronjobs', (CronjobScheduler::getInstance()->getNextExec() < TIME_NOW && defined('OFFLINE') && !OFFLINE));
  880. }
  881. }
  882. }
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