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PKPApplication.inc.php

<?php

/**
 * @file classes/core/PKPApplication.inc.php
 *
 * Copyright (c) 2013-2015 Simon Fraser University Library
 * Copyright (c) 2000-2015 John Willinsky
 * Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
 *
 * @class PKPApplication
 * @ingroup core
 *
 * @brief Class describing this application.
 *
 */

define_exposed('REALLY_BIG_NUMBER', 10000);

define('ROUTE_COMPONENT', 'component');
define('ROUTE_PAGE', 'page');

define('CONTEXT_SITE', 0);
define('CONTEXT_ID_NONE', 0);
define('REVIEW_ROUND_NONE', 0);

define('ASSOC_TYPE_USER', 0x00001000); // This value used because of bug #6068
define('ASSOC_TYPE_USER_GROUP', 0x0100002);

define('ASSOC_TYPE_CITATION', 0x0100003);

define('ASSOC_TYPE_AUTHOR', 0x0100004);
define('ASSOC_TYPE_EDITOR', 0x0100005);

define('ASSOC_TYPE_SIGNOFF', 0x0100006);
define('ASSOC_TYPE_USER_ROLES', 0x0100007);
define('ASSOC_TYPE_ACCESSIBLE_WORKFLOW_STAGES', 0x0100008);
define('ASSOC_TYPE_PLUGIN', 0x0000211);

class PKPApplication {
	var $enabledProducts;
	var $allProducts;

function PKPApplication() {
		// Configure error reporting
		// FIXME: Error logging needs to be suppressed for strict
		// and deprecation errors in PHP5 as long as we support PHP 4.
		// This is primarily for static method warnings and warnings
		// about use of ... =& new ... Static class members cannot be
		// declared in PHP4 and ... =& new ... is deprecated since PHP 5.
		$errorReportingLevel = E_ALL;
		if (defined('E_STRICT')) $errorReportingLevel &= ~E_STRICT;
		if (defined('E_DEPRECATED')) $errorReportingLevel &= ~E_DEPRECATED;
		@error_reporting($errorReportingLevel);

// Instantiate the profiler
		import('lib.pkp.classes.core.PKPProfiler');
		$pkpProfiler = new PKPProfiler();

// Begin debug logging
		Console::logMemory('', 'PKPApplication::construct');
		Console::logSpeed('PKPApplication::construct');

// Seed random number generator
		mt_srand(((double) microtime()) * 1000000);

import('lib.pkp.classes.core.Core');
		import('lib.pkp.classes.core.String');
		import('lib.pkp.classes.core.Registry');

import('lib.pkp.classes.config.Config');

if (Config::getVar('debug', 'display_errors')) {
			// Try to switch off normal error display when error display
			// is being managed by us.
			@ini_set('display_errors', false);
		}

Registry::set('application', $this);

import('lib.pkp.classes.db.DAORegistry');
		import('lib.pkp.classes.db.XMLDAO');

import('lib.pkp.classes.cache.CacheManager');

import('classes.security.Validation');
		import('lib.pkp.classes.session.SessionManager');
		import('classes.template.TemplateManager');
		import('classes.notification.NotificationManager');

import('lib.pkp.classes.plugins.PluginRegistry');
		import('lib.pkp.classes.plugins.HookRegistry');

import('classes.i18n.AppLocale');

String::init();
		set_error_handler(array($this, 'errorHandler'));

$microTime = Core::microtime();
		Registry::set('system.debug.startTime', $microTime);

$notes = array();
		Registry::set('system.debug.notes', $notes);

Registry::set('system.debug.profiler', $pkpProfiler);

if (Config::getVar('general', 'installed')) {
			// Initialize database connection
			$conn =& DBConnection::getInstance();

if (!$conn->isConnected()) {
				if (Config::getVar('database', 'debug')) {
					$dbconn =& $conn->getDBConn();
					fatalError('Database connection failed: ' . $dbconn->errorMsg());
				} else {
					fatalError('Database connection failed!');
				}
			}
		}
	}

/**
	 * Get the current application object
	 * @return Application
	 */
	function &getApplication() {
		$application =& Registry::get('application');
		return $application;
	}

/**
	 * Get the request implementation singleton
	 * @return Request
	 */
	function &getRequest() {
		$request =& Registry::get('request', true, null);

if (is_null($request)) {
			import('classes.core.Request');

// Implicitly set request by ref in the registry
			$request = new Request();
		}

return $request;
	}

/**
	 * Get the dispatcher implementation singleton
	 * @return Dispatcher
	 */
	function &getDispatcher() {
		$dispatcher =& Registry::get('dispatcher', true, null);

if (is_null($dispatcher)) {
			import('lib.pkp.classes.core.Dispatcher');

// Implicitly set dispatcher by ref in the registry
			$dispatcher = new Dispatcher();

// Inject dependency
			$dispatcher->setApplication(PKPApplication::getApplication());

// Inject router configuration
			$dispatcher->addRouterName('lib.pkp.classes.core.PKPComponentRouter', ROUTE_COMPONENT);
			$dispatcher->addRouterName('classes.core.PageRouter', ROUTE_PAGE);
		}

return $dispatcher;
	}

/**
	 * This executes the application by delegating the
	 * request to the dispatcher.
	 */
	function execute() {
		// Dispatch the request to the correct handler
		$dispatcher =& $this->getDispatcher();
		$dispatcher->dispatch($this->getRequest());
	}

/**
	 * Get the symbolic name of this application
	 * @return string
	 */
	function getName() {
		return 'pkp-lib';
	}

/**
	 * Get the locale key for the name of this application.
	 * @return string
	 */
	function getNameKey() {
		// must be implemented by sub-classes
		assert(false);
	}

/**
	 * Get the "context depth" of this application, i.e. the number of
	 * parts of the URL after index.php that represent the context of
	 * the current request (e.g. Journal [1], or Conference and
	 * Scheduled Conference [2]).
	 * @return int
	 */
	function getContextDepth() {
		// must be implemented by sub-classes
		assert(false);
	}

/**
	 * Get the list of the contexts available for this application
	 * i.e. the various parameters that are needed to represent the
	 * (e.g. array('journal') or array('conference', 'schedConf'))
	 * @return Array
	 */
	function getContextList() {
		// must be implemented by sub-classes
		assert(false);
	}

/**
	 * Get the URL to the XML descriptor for the current version of this
	 * application.
	 * @return string
	 */
	function getVersionDescriptorUrl() {
		// must be implemented by sub-classes
		assert(false);
	}

/**
	 * This function retrieves all enabled product versions once
	 * from the database and caches the result for further
	 * access.
	 *
	 * @param $category string
	 * @param $mainContextId integer Optional ID of the top-level context
	 * (e.g. Journal, Conference, Press) to query for enabled products
	 * @return array
	 */
	function &getEnabledProducts($category = null, $mainContextId = null) {
		if (is_null($this->enabledProducts) || !is_null($mainContextId)) {
			$contextDepth = $this->getContextDepth();

$settingContext = array();
			if ($contextDepth > 0) {
				$request =& $this->getRequest();
				$router =& $request->getRouter();

if (is_null($mainContextId)) {
					// Try to identify the main context (e.g. journal, conference, press),
					// will be null if none found.
					$mainContext =& $router->getContext($request, 1);
					if ($mainContext) $mainContextId = $mainContext->getId();
				}

// Create the context for the setting if found
				if (!is_null($mainContextId)) $settingContext[] = $mainContextId;
				$settingContext = array_pad($settingContext, $contextDepth, 0);
				$settingContext = array_combine($this->getContextList(), $settingContext);
			}

$versionDao =& DAORegistry::getDAO('VersionDAO'); /* @var $versionDao VersionDAO */
			$this->enabledProducts =& $versionDao->getCurrentProducts($settingContext);
		}

if (is_null($category)) {
			return $this->enabledProducts;
		} elseif (isset($this->enabledProducts[$category])) {
			return $this->enabledProducts[$category];
		} else {
			$returner = array();
			return $returner;
		}
	}

/**
	 * Get the list of plugin categories for this application.
	 */
	function getPluginCategories() {
		// To be implemented by sub-classes
		assert(false);
	}

/**
	 * Return the current version of the application.
	 * @return Version
	 */
	function &getCurrentVersion() {
		$currentVersion =& $this->getEnabledProducts('core');
		assert(count($currentVersion)) == 1;
		return $currentVersion[$this->getName()];
	}

/**
	 * Get the map of DAOName => full.class.Path for this application.
	 * @return array
	 */
	function getDAOMap() {
		return array(
			'AccessKeyDAO' => 'lib.pkp.classes.security.AccessKeyDAO',
			'AuthSourceDAO' => 'lib.pkp.classes.security.AuthSourceDAO',
			'CaptchaDAO' => 'lib.pkp.classes.captcha.CaptchaDAO',
			'CitationDAO' => 'lib.pkp.classes.citation.CitationDAO',
			'ControlledVocabDAO' => 'lib.pkp.classes.controlledVocab.ControlledVocabDAO',
			'ControlledVocabEntryDAO' => 'lib.pkp.classes.controlledVocab.ControlledVocabEntryDAO',
			'CountryDAO' => 'lib.pkp.classes.i18n.CountryDAO',
			'CurrencyDAO' => 'lib.pkp.classes.currency.CurrencyDAO',
			'DataObjectTombstoneDAO' => 'lib.pkp.classes.tombstone.DataObjectTombstoneDAO',
			'DataObjectTombstoneSettingsDAO' => 'lib.pkp.classes.tombstone.DataObjectTombstoneSettingsDAO',
			'FilterDAO' => 'lib.pkp.classes.filter.FilterDAO',
			'FilterGroupDAO' => 'lib.pkp.classes.filter.FilterGroupDAO',
			'GroupDAO' => 'lib.pkp.classes.group.GroupDAO',
			'GroupMembershipDAO' => 'lib.pkp.classes.group.GroupMembershipDAO',
			'HelpTocDAO' => 'lib.pkp.classes.help.HelpTocDAO',
			'HelpTopicDAO' => 'lib.pkp.classes.help.HelpTopicDAO',
			'InterestDAO' => 'lib.pkp.classes.user.InterestDAO',
			'InterestEntryDAO' => 'lib.pkp.classes.user.InterestEntryDAO',
			'LanguageDAO' => 'lib.pkp.classes.language.LanguageDAO',
			'MetadataDescriptionDAO' => 'lib.pkp.classes.metadata.MetadataDescriptionDAO',
			'NotificationDAO' => 'lib.pkp.classes.notification.NotificationDAO',
			'NotificationMailListDAO' => 'lib.pkp.classes.notification.NotificationMailListDAO',
			'NotificationSettingsDAO' => 'lib.pkp.classes.notification.NotificationSettingsDAO',
			'NotificationSubscriptionSettingsDAO' => 'lib.pkp.classes.notification.NotificationSubscriptionSettingsDAO',
			'ONIXCodelistItemDAO' => 'lib.pkp.classes.codelist.ONIXCodelistItemDAO',
			'ProcessDAO' => 'lib.pkp.classes.process.ProcessDAO',
			'QualifierDAO' => 'lib.pkp.classes.codelist.QualifierDAO',
			'ScheduledTaskDAO' => 'lib.pkp.classes.scheduledTask.ScheduledTaskDAO',
			'SessionDAO' => 'lib.pkp.classes.session.SessionDAO',
			'SiteDAO' => 'lib.pkp.classes.site.SiteDAO',
			'SiteSettingsDAO' => 'lib.pkp.classes.site.SiteSettingsDAO',
			'SubjectDAO' => 'lib.pkp.classes.codelist.SubjectDAO',
			'TimeZoneDAO' => 'lib.pkp.classes.i18n.TimeZoneDAO',
			'TemporaryFileDAO' => 'lib.pkp.classes.file.TemporaryFileDAO',
			'VersionDAO' => 'lib.pkp.classes.site.VersionDAO',
			'XMLDAO' => 'lib.pkp.classes.db.XMLDAO'
		);
	}

/**
	 * Return the fully-qualified (e.g. page.name.ClassNameDAO) name of the
	 * given DAO.
	 * @param $name string
	 * @return string
	 */
	function getQualifiedDAOName($name) {
		$map =& Registry::get('daoMap', true, $this->getDAOMap());
		if (isset($map[$name])) return $map[$name];
		return null;
	}

/**
	 * Instantiate the help object for this application.
	 * @return object
	 */
	function &instantiateHelp() {
		// must be implemented by sub-classes
		assert(false);
	}

/**
	 * Custom error handler
	 *
	 * NB: Custom error handlers are called for all error levels
	 * independent of the error_reporting parameter.
	 * @param $errorno string
	 * @param $errstr string
	 * @param $errfile string
	 * @param $errline string
	 */
	function errorHandler($errorno, $errstr, $errfile, $errline) {
		// We only report/log errors if their corresponding
		// error level bit is set in error_reporting.
		// We have to check error_reporting() each time as
		// some application parts change the setting (e.g.
		// smarty, adodb, certain plugins).
		if(error_reporting() & $errorno) {
			if ($errorno == E_ERROR) {
				echo 'An error has occurred.  Please check your PHP log file.';
			} elseif (Config::getVar('debug', 'display_errors')) {
				echo $this->buildErrorMessage($errorno, $errstr, $errfile, $errline) . "<br/>\n";
			}

error_log($this->buildErrorMessage($errorno, $errstr, $errfile, $errline), 0);
		}
	}

/**
	 * Auxiliary function to errorHandler that returns a formatted error message.
	 * Error type formatting code adapted from ash, http://ca3.php.net/manual/en/function.set-error-handler.php
	 * @param $errorno string
	 * @param $errstr string
	 * @param $errfile string
	 * @param $errline string
	 * @return $message string
	 */
	function buildErrorMessage($errorno, $errstr, $errfile, $errline) {
		$message = array();
		$errorType = array (
			E_ERROR			=> 'ERROR',
			E_WARNING		=> 'WARNING',
			E_PARSE			=> 'PARSING ERROR',
			E_NOTICE		=> 'NOTICE',
			E_CORE_ERROR		=> 'CORE ERROR',
			E_CORE_WARNING		=> 'CORE WARNING',
			E_COMPILE_ERROR		=> 'COMPILE ERROR',
			E_COMPILE_WARNING	=> 'COMPILE WARNING',
			E_USER_ERROR		=> 'USER ERROR',
			E_USER_WARNING		=> 'USER WARNING',
			E_USER_NOTICE		=> 'USER NOTICE',
		);

if (array_key_exists($errorno, $errorType)) {
			$type = $errorType[$errorno];
		} else {
			$type = 'CAUGHT EXCEPTION';
		}

// Return abridged message if strict error or notice (since they are more common)
		// This also avoids infinite loops when E_STRICT (=deprecation level) error
		// reporting is switched on.
		$shortErrors = E_NOTICE;
		if (defined('E_STRICT')) $shortErrors |= E_STRICT;
		if (defined('E_DEPRECATED')) $shortErrors |= E_DEPRECATED;
		if ($errorno & $shortErrors) {
			return $type . ': ' . $errstr . ' (' . $errfile . ':' . $errline . ')';
		}

$message[] = $this->getName() . ' has produced an error';
		$message[] = '  Message: ' . $type . ': ' . $errstr;
		$message[] = '  In file: ' . $errfile;
		$message[] = '  At line: ' . $errline;
		$message[] = '  Stacktrace: ';

if(Config::getVar('debug', 'show_stacktrace')) {
			$trace = debug_backtrace();
			// Remove the call to fatalError from the call trace.
			array_shift($trace);

// Back-trace pretty-printer adapted from the following URL:
			// http://ca3.php.net/manual/en/function.debug-backtrace.php
			// Thanks to diz at ysagoon dot com

foreach ($trace as $bt) {
				$args = '';
				if (isset($bt['args'])) foreach ($bt['args'] as $a) {
					if (!empty($args)) {
						$args .= ', ';
					}
					switch (gettype($a)) {
						case 'integer':
						case 'double':
							$args .= $a;
							break;
						case 'string':
							$a = htmlspecialchars($a);
							$args .= "\"$a\"";
							break;
						case 'array':
							$args .= 'Array('.count($a).')';
							break;
						case 'object':
							$args .= 'Object('.get_class($a).')';
							break;
						case 'resource':
							$args .= 'Resource()';
							break;
						case 'boolean':
							$args .= $a ? 'True' : 'False';
							break;
						case 'NULL':
							$args .= 'Null';
							break;
						default:
							$args .= 'Unknown';
					}
				}
				$class = isset($bt['class'])?$bt['class']:'';
				$type = isset($bt['type'])?$bt['type']:'';
				$function = isset($bt['function'])?$bt['function']:'';
				$file = isset($bt['file'])?$bt['file']:'(unknown)';
				$line = isset($bt['line'])?$bt['line']:'(unknown)';

$message[] = "   File: {$file} line {$line}";
				$message[] = "     Function: {$class}{$type}{$function}($args)";
			}
		}

static $dbServerInfo;
		if (!isset($dbServerInfo) && Config::getVar('general', 'installed')) {
			$dbconn =& DBConnection::getConn();
			$dbServerInfo = $dbconn->ServerInfo();
		}

$message[] = "  Server info:";
		$message[] = "   OS: " . Core::serverPHPOS();
		$message[] = "   PHP Version: " . Core::serverPHPVersion();
		$message[] = "   Apache Version: " . (function_exists('apache_get_version') ? apache_get_version() : 'N/A');
		$message[] = "   DB Driver: " . Config::getVar('database', 'driver');
		if (isset($dbServerInfo)) $message[] = "   DB server version: " . (empty($dbServerInfo['description']) ? $dbServerInfo['version'] : $dbServerInfo['description']);

return implode("\n", $message);
	}

/**
	 * Define a constant so that it can be exposed to the JS front-end.
	 * @param $name string
	 * @param $value mixed
	 */
	function defineExposedConstant($name, $value) {
		define($name, $value);
		assert(preg_match('/^[a-zA-Z_]+$/', $name));
		$constants =& PKPApplication::getExposedConstants();
		$constants[$name] = $value;
	}

/**
	 * Get an associative array of defined constants that should be exposed
	 * to the JS front-end.
	 * @return array
	 */
	function &getExposedConstants() {
		static $exposedConstants = array();
		return $exposedConstants;
	}

/**
	 * Get an array of locale keys that define strings that should be made available to
	 * JavaScript classes in the JS front-end.
	 * @return array
	 */
	function getJSLocaleKeys() {
		$keys = array('form.dataHasChanged');
		return $keys;
	}
}

/**
 * @see PKPApplication::defineExposed
 */
function define_exposed($name, $value) {
	$errorReportingLevel = E_ALL;
	if (defined('E_STRICT')) $errorReportingLevel &= ~E_STRICT;
	@error_reporting($errorReportingLevel);
	PKPApplication::defineExposedConstant($name, $value);
	@error_reporting(E_ALL);
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	drwxrwxr-x	2023-09-12 07:22:13
..	dir	-	root/root	drwxrwxr-x	2023-09-12 07:22:13
ArrayItemIterator.inc.php	text/x-php	4.67 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
Core.inc.php	text/x-php	15.22 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
DataObject.inc.php	text/x-php	13.61 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
Dispatcher.inc.php	text/x-php	7.36 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
ItemIterator.inc.php	text/x-php	1.74 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
JSONManager.inc.php	text/x-php	1.4 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
JSONMessage.inc.php	text/x-php	4.2 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPApplication.inc.php	text/x-php	16.63 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPComponentRouter.inc.php	text/x-php	16.09 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPPageRouter.inc.php	text/x-php	12.42 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPProfiler.inc.php	text/x-php	1.35 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPRequest.inc.php	text/x-php	21.84 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
PKPRouter.inc.php	text/x-php	18.65 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
Registry.inc.php	text/x-php	1.74 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
RuntimeEnvironment.inc.php	text/x-php	2.33 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
String.inc.php	text/x-php	40.98 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
Transcoder.inc.php	text/x-php	3.21 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27
VirtualArrayIterator.inc.php	text/x-php	4.71 KB	root/root	-rw-rw-r--	2015-03-18 05:32:27