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编辑当前文件:/home2/sdektunc/testcors.sdektun.com/libraries/src/Application/SiteApplication.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Application;

\defined('JPATH_PLATFORM') or die;

use Joomla\Application\Web\WebClient;
use Joomla\CMS\Cache\CacheControllerFactoryInterface;
use Joomla\CMS\Cache\Controller\OutputController;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Input\Input;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Pathway\Pathway;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
use Joomla\DI\Container;
use Joomla\Registry\Registry;

/**
 * Joomla! Site Application class
 *
 * @since  3.2
 */
final class SiteApplication extends CMSApplication
{
	/**
	 * Option to filter by language
	 *
	 * @var    boolean
	 * @since  4.0.0
	 */
	protected $language_filter = false;

/**
	 * Option to detect language by the browser
	 *
	 * @var    boolean
	 * @since  4.0.0
	 */
	protected $detect_browser = false;

/**
	 * Class constructor.
	 *
	 * @param   Input      $input      An optional argument to provide dependency injection for the application's input
	 *                                 object.  If the argument is a JInput object that object will become the
	 *                                 application's input object, otherwise a default input object is created.
	 * @param   Registry   $config     An optional argument to provide dependency injection for the application's config
	 *                                 object.  If the argument is a Registry object that object will become the
	 *                                 application's config object, otherwise a default config object is created.
	 * @param   WebClient  $client     An optional argument to provide dependency injection for the application's client
	 *                                 object.  If the argument is a WebClient object that object will become the
	 *                                 application's client object, otherwise a default client object is created.
	 * @param   Container  $container  Dependency injection container.
	 *
	 * @since   3.2
	 */
	public function __construct(Input $input = null, Registry $config = null, WebClient $client = null, Container $container = null)
	{
		// Register the application name
		$this->name = 'site';

// Register the client ID
		$this->clientId = 0;

// Execute the parent constructor
		parent::__construct($input, $config, $client, $container);
	}

/**
	 * Check if the user can access the application
	 *
	 * @param   integer  $itemid  The item ID to check authorisation for
	 *
	 * @return  void
	 *
	 * @since   3.2
	 *
	 * @throws  \Exception When you are not authorised to view the home page menu item
	 */
	protected function authorise($itemid)
	{
		$menus = $this->getMenu();
		$user = Factory::getUser();

if (!$menus->authorise($itemid))
		{
			if ($user->get('id') == 0)
			{
				// Set the data
				$this->setUserState('users.login.form.data', array('return' => Uri::getInstance()->toString()));

$url = Route::_('index.php?option=com_users&view=login', false);

$this->enqueueMessage(Text::_('JGLOBAL_YOU_MUST_LOGIN_FIRST'), 'error');
				$this->redirect($url);
			}
			else
			{
				// Get the home page menu item
				$home_item = $menus->getDefault($this->getLanguage()->getTag());

// If we are already in the homepage raise an exception
				if ($menus->getActive()->id == $home_item->id)
				{
					throw new \Exception(Text::_('JERROR_ALERTNOAUTHOR'), 403);
				}

// Otherwise redirect to the homepage and show an error
				$this->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
				$this->redirect(Route::_('index.php?Itemid=' . $home_item->id, false));
			}
		}
	}

/**
	 * Dispatch the application
	 *
	 * @param   string  $component  The component which is being rendered.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	public function dispatch($component = null)
	{
		// Get the component if not set.
		if (!$component)
		{
			$component = $this->input->getCmd('option', null);
		}

// Load the document to the API
		$this->loadDocument();

// Set up the params
		$document = $this->getDocument();
		$router   = static::getRouter();
		$params   = $this->getParams();

// Register the document object with Factory
		Factory::$document = $document;

switch ($document->getType())
		{
			case 'html':
				// Get language
				$lang_code = $this->getLanguage()->getTag();
				$languages = LanguageHelper::getLanguages('lang_code');

// Set metadata
				$document->setMetaData('rights', $this->get('MetaRights'));

// Get the template
				$template = $this->getTemplate(true);

// Store the template and its params to the config
				$this->set('theme', $template->template);
				$this->set('themeParams', $template->params);

// Add Asset registry files
				$wr = $document->getWebAssetManager()->getRegistry();

if ($component)
				{
					$wr->addExtensionRegistryFile($component);
				}

if ($template->parent)
				{
					$wr->addTemplateRegistryFile($template->parent, $this->getClientId());
				}

$wr->addTemplateRegistryFile($template->template, $this->getClientId());

break;

case 'feed':
				$document->setBase(htmlspecialchars(Uri::current()));
				break;
		}

$document->setTitle($params->get('page_title'));
		$document->setDescription($params->get('page_description'));

// Add version number or not based on global configuration
		if ($this->get('MetaVersion', 0))
		{
			$document->setGenerator('Joomla! - Open Source Content Management - Version ' . JVERSION);
		}
		else
		{
			$document->setGenerator('Joomla! - Open Source Content Management');
		}

$contents = ComponentHelper::renderComponent($component);
		$document->setBuffer($contents, 'component');

// Trigger the onAfterDispatch event.
		PluginHelper::importPlugin('system');
		$this->triggerEvent('onAfterDispatch');
	}

/**
	 * Method to run the Web application routines.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function doExecute()
	{
		// Initialise the application
		$this->initialiseApp();

// Mark afterInitialise in the profiler.
		JDEBUG ? $this->profiler->mark('afterInitialise') : null;

// Route the application
		$this->route();

// Mark afterRoute in the profiler.
		JDEBUG ? $this->profiler->mark('afterRoute') : null;

/*
		 * Check if the user is required to reset their password
		 *
		 * Before $this->route(); "option" and "view" can't be safely read using:
		 * $this->input->getCmd('option'); or $this->input->getCmd('view');
		 * ex: due of the sef urls
		 */
		$this->checkUserRequireReset('com_users', 'profile', 'edit', 'com_users/profile.save,com_users/profile.apply,com_users/user.logout');

// Dispatch the application
		$this->dispatch();

// Mark afterDispatch in the profiler.
		JDEBUG ? $this->profiler->mark('afterDispatch') : null;
	}

/**
	 * Return the current state of the detect browser option.
	 *
	 * @return	boolean
	 *
	 * @since	3.2
	 */
	public function getDetectBrowser()
	{
		return $this->detect_browser;
	}

/**
	 * Return the current state of the language filter.
	 *
	 * @return	boolean
	 *
	 * @since	3.2
	 */
	public function getLanguageFilter()
	{
		return $this->language_filter;
	}

/**
	 * Get the application parameters
	 *
	 * @param   string  $option  The component option
	 *
	 * @return  Registry  The parameters object
	 *
	 * @since   3.2
	 */
	public function getParams($option = null)
	{
		static $params = array();

$hash = '__default';

if (!empty($option))
		{
			$hash = $option;
		}

if (!isset($params[$hash]))
		{
			// Get component parameters
			if (!$option)
			{
				$option = $this->input->getCmd('option', null);
			}

// Get new instance of component global parameters
			$params[$hash] = clone ComponentHelper::getParams($option);

// Get menu parameters
			$menus = $this->getMenu();
			$menu  = $menus->getActive();

// Get language
			$lang_code = $this->getLanguage()->getTag();
			$languages = LanguageHelper::getLanguages('lang_code');

$title = $this->get('sitename');

if (isset($languages[$lang_code]) && $languages[$lang_code]->metadesc)
			{
				$description = $languages[$lang_code]->metadesc;
			}
			else
			{
				$description = $this->get('MetaDesc');
			}

$rights = $this->get('MetaRights');
			$robots = $this->get('robots');

// Retrieve com_menu global settings
			$temp = clone ComponentHelper::getParams('com_menus');

// Lets cascade the parameters if we have menu item parameters
			if (\is_object($menu))
			{
				// Get show_page_heading from com_menu global settings
				$params[$hash]->def('show_page_heading', $temp->get('show_page_heading'));

$params[$hash]->merge($menu->getParams());
				$title = $menu->title;
			}
			else
			{
				// Merge com_menu global settings
				$params[$hash]->merge($temp);

// If supplied, use page title
				$title = $temp->get('page_title', $title);
			}

$params[$hash]->def('page_title', $title);
			$params[$hash]->def('page_description', $description);
			$params[$hash]->def('page_rights', $rights);
			$params[$hash]->def('robots', $robots);
		}

return $params[$hash];
	}

/**
	 * Return a reference to the Pathway object.
	 *
	 * @param   string  $name     The name of the application.
	 * @param   array   $options  An optional associative array of configuration settings.
	 *
	 * @return  Pathway  A Pathway object
	 *
	 * @since   3.2
	 */
	public function getPathway($name = 'site', $options = array())
	{
		return parent::getPathway($name, $options);
	}

/**
	 * Return a reference to the Router object.
	 *
	 * @param   string  $name     The name of the application.
	 * @param   array   $options  An optional associative array of configuration settings.
	 *
	 * @return	\Joomla\CMS\Router\Router
	 *
	 * @since	3.2
	 */
	public static function getRouter($name = 'site', array $options = array())
	{
		return parent::getRouter($name, $options);
	}

/**
	 * Gets the name of the current template.
	 *
	 * @param   boolean  $params  True to return the template parameters
	 *
	 * @return  string  The name of the template.
	 *
	 * @since   3.2
	 * @throws  \InvalidArgumentException
	 */
	public function getTemplate($params = false)
	{
		if (\is_object($this->template))
		{
			if ($this->template->parent)
			{
				if (!is_file(JPATH_THEMES . '/' . $this->template->template . '/index.php'))
				{
					if (!is_file(JPATH_THEMES . '/' . $this->template->parent . '/index.php'))
					{
						throw new \InvalidArgumentException(Text::sprintf('JERROR_COULD_NOT_FIND_TEMPLATE', $this->template->template));
					}
				}
			}
			elseif (!is_file(JPATH_THEMES . '/' . $this->template->template . '/index.php'))
			{
				throw new \InvalidArgumentException(Text::sprintf('JERROR_COULD_NOT_FIND_TEMPLATE', $this->template->template));
			}

if ($params)
			{
				return $this->template;
			}

return $this->template->template;
		}

// Get the id of the active menu item
		$menu = $this->getMenu();
		$item = $menu->getActive();

if (!$item)
		{
			$item = $menu->getItem($this->input->getInt('Itemid', null));
		}

$id = 0;

if (\is_object($item))
		{
			// Valid item retrieved
			$id = $item->template_style_id;
		}

$tid = $this->input->getUint('templateStyle', 0);

if (is_numeric($tid) && (int) $tid > 0)
		{
			$id = (int) $tid;
		}

/** @var OutputController $cache */
		$cache = Factory::getContainer()->get(CacheControllerFactoryInterface::class)->createCacheController('output', ['defaultgroup' => 'com_templates']);

if ($this->getLanguageFilter())
		{
			$tag = $this->getLanguage()->getTag();
		}
		else
		{
			$tag = '';
		}

$cacheId = 'templates0' . $tag;

if ($cache->contains($cacheId))
		{
			$templates = $cache->get($cacheId);
		}
		else
		{
			// Load styles
			$db = Factory::getDbo();

$query = $db->getQuery(true)
				->select($db->quoteName(['id', 'home', 'template', 's.params', 'inheritable', 'parent']))
				->from($db->quoteName('#__template_styles', 's'))
				->where(
					[
						$db->quoteName('s.client_id') . ' = 0',
						$db->quoteName('e.enabled') . ' = 1',
					]
				)
				->join(
					'LEFT',
					$db->quoteName('#__extensions', 'e'),
					$db->quoteName('e.element') . ' = ' . $db->quoteName('s.template')
						. ' AND ' . $db->quoteName('e.type') . ' = ' . $db->quote('template')
						. ' AND ' . $db->quoteName('e.client_id') . ' = ' . $db->quoteName('s.client_id')
				);

$db->setQuery($query);
			$templates = $db->loadObjectList('id');

foreach ($templates as &$template)
			{
				// Create home element
				if ($template->home == 1 && !isset($template_home) || $this->getLanguageFilter() && $template->home == $tag)
				{
					$template_home = clone $template;
				}

$template->params = new Registry($template->params);
			}

// Unset the $template reference to the last $templates[n] item cycled in the foreach above to avoid editing it later
			unset($template);

// Add home element, after loop to avoid double execution
			if (isset($template_home))
			{
				$template_home->params = new Registry($template_home->params);
				$templates[0] = $template_home;
			}

$cache->store($templates, $cacheId);
		}

if (isset($templates[$id]))
		{
			$template = $templates[$id];
		}
		else
		{
			$template = $templates[0];
		}

// Allows for overriding the active template from the request
		$template_override = $this->input->getCmd('template', '');

// Only set template override if it is a valid template (= it exists and is enabled)
		if (!empty($template_override))
		{
			if (is_file(JPATH_THEMES . '/' . $template_override . '/index.php'))
			{
				foreach ($templates as $tmpl)
				{
					if ($tmpl->template === $template_override)
					{
						$template = $tmpl;
						break;
					}
				}
			}
		}

// Need to filter the default value as well
		$template->template = InputFilter::getInstance()->clean($template->template, 'cmd');

// Fallback template
		if (!empty($template->parent))
		{
			if (!is_file(JPATH_THEMES . '/' . $template->template . '/index.php'))
			{
				if (!is_file(JPATH_THEMES . '/' . $template->parent . '/index.php'))
				{
					$this->enqueueMessage(Text::_('JERROR_ALERTNOTEMPLATE'), 'error');

// Try to find data for 'cassiopeia' template
					$original_tmpl = $template->template;

foreach ($templates as $tmpl)
					{
						if ($tmpl->template === 'cassiopeia')
						{
							$template = $tmpl;
							break;
						}
					}

// Check, the data were found and if template really exists
					if (!is_file(JPATH_THEMES . '/' . $template->template . '/index.php'))
					{
						throw new \InvalidArgumentException(Text::sprintf('JERROR_COULD_NOT_FIND_TEMPLATE', $original_tmpl));
					}
				}
			}
		}
		elseif (!is_file(JPATH_THEMES . '/' . $template->template . '/index.php'))
		{
			$this->enqueueMessage(Text::_('JERROR_ALERTNOTEMPLATE'), 'error');

// Try to find data for 'cassiopeia' template
			$original_tmpl = $template->template;

foreach ($templates as $tmpl)
			{
				if ($tmpl->template === 'cassiopeia')
				{
					$template = $tmpl;
					break;
				}
			}

// Cache the result
		$this->template = $template;

if ($params)
		{
			return $template;
		}

return $template->template;
	}

/**
	 * Initialise the application.
	 *
	 * @param   array  $options  An optional associative array of configuration settings.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function initialiseApp($options = array())
	{
		$user = Factory::getUser();

// If the user is a guest we populate it with the guest user group.
		if ($user->guest)
		{
			$guestUsergroup = ComponentHelper::getParams('com_users')->get('guest_usergroup', 1);
			$user->groups = array($guestUsergroup);
		}

if ($plugin = PluginHelper::getPlugin('system', 'languagefilter'))
		{
			$pluginParams = new Registry($plugin->params);
			$this->setLanguageFilter(true);
			$this->setDetectBrowser($pluginParams->get('detect_browser', 1) == 1);
		}

if (empty($options['language']))
		{
			// Detect the specified language
			$lang = $this->input->getString('language', null);

// Make sure that the user's language exists
			if ($lang && LanguageHelper::exists($lang))
			{
				$options['language'] = $lang;
			}
		}

if (empty($options['language']) && $this->getLanguageFilter())
		{
			// Detect cookie language
			$lang = $this->input->cookie->get(md5($this->get('secret') . 'language'), null, 'string');

// Make sure that the user's language exists
			if ($lang && LanguageHelper::exists($lang))
			{
				$options['language'] = $lang;
			}
		}

if (empty($options['language']))
		{
			// Detect user language
			$lang = $user->getParam('language');

// Make sure that the user's language exists
			if ($lang && LanguageHelper::exists($lang))
			{
				$options['language'] = $lang;
			}
		}

if (empty($options['language']) && $this->getDetectBrowser())
		{
			// Detect browser language
			$lang = LanguageHelper::detectLanguage();

// Make sure that the user's language exists
			if ($lang && LanguageHelper::exists($lang))
			{
				$options['language'] = $lang;
			}
		}

if (empty($options['language']))
		{
			// Detect default language
			$params = ComponentHelper::getParams('com_languages');
			$options['language'] = $params->get('site', $this->get('language', 'en-GB'));
		}

// One last check to make sure we have something
		if (!LanguageHelper::exists($options['language']))
		{
			$lang = $this->config->get('language', 'en-GB');

if (LanguageHelper::exists($lang))
			{
				$options['language'] = $lang;
			}
			else
			{
				// As a last ditch fail to english
				$options['language'] = 'en-GB';
			}
		}

// Finish initialisation
		parent::initialiseApp($options);
	}

/**
	 * Load the library language files for the application
	 *
	 * @return  void
	 *
	 * @since   3.6.3
	 */
	protected function loadLibraryLanguage()
	{
		/*
		 * Try the lib_joomla file in the current language (without allowing the loading of the file in the default language)
		 * Fallback to the default language if necessary
		 */
		$this->getLanguage()->load('lib_joomla', JPATH_SITE)
			|| $this->getLanguage()->load('lib_joomla', JPATH_ADMINISTRATOR);
	}

/**
	 * Login authentication function
	 *
	 * @param   array  $credentials  Array('username' => string, 'password' => string)
	 * @param   array  $options      Array('remember' => boolean)
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.2
	 */
	public function login($credentials, $options = array())
	{
		// Set the application login entry point
		if (!\array_key_exists('entry_url', $options))
		{
			$options['entry_url'] = Uri::base() . 'index.php?option=com_users&task=user.login';
		}

// Set the access control action to check.
		$options['action'] = 'core.login.site';

return parent::login($credentials, $options);
	}

/**
	 * Rendering is the process of pushing the document buffers into the template
	 * placeholders, retrieving data from the document and pushing it into
	 * the application response buffer.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function render()
	{
		switch ($this->document->getType())
		{
			case 'feed':
				// No special processing for feeds
				break;

case 'html':
			default:
				$template = $this->getTemplate(true);
				$file     = $this->input->get('tmpl', 'index');

if ($file === 'offline' && !$this->get('offline'))
				{
					$this->set('themeFile', 'index.php');
				}

if ($this->get('offline') && !Factory::getUser()->authorise('core.login.offline'))
				{
					$this->setUserState('users.login.form.data', array('return' => Uri::getInstance()->toString()));
					$this->set('themeFile', 'offline.php');
					$this->setHeader('Status', '503 Service Temporarily Unavailable', 'true');
				}

if (!is_dir(JPATH_THEMES . '/' . $template->template) && !$this->get('offline'))
				{
					$this->set('themeFile', 'component.php');
				}

// Ensure themeFile is set by now
				if ($this->get('themeFile') == '')
				{
					$this->set('themeFile', $file . '.php');
				}

// Pass the parent template to the state
				$this->set('themeInherits', $template->parent);

break;
		}

parent::render();
	}

/**
	 * Route the application.
	 *
	 * Routing is the process of examining the request environment to determine which
	 * component should receive the request. The component optional parameters
	 * are then set in the request object to be processed when the application is being
	 * dispatched.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function route()
	{
		// Execute the parent method
		parent::route();

$Itemid = $this->input->getInt('Itemid', null);
		$this->authorise($Itemid);
	}

/**
	 * Set the current state of the detect browser option.
	 *
	 * @param   boolean  $state  The new state of the detect browser option
	 *
	 * @return	boolean	 The previous state
	 *
	 * @since	3.2
	 */
	public function setDetectBrowser($state = false)
	{
		$old = $this->getDetectBrowser();
		$this->detect_browser = $state;

return $old;
	}

/**
	 * Set the current state of the language filter.
	 *
	 * @param   boolean  $state  The new state of the language filter
	 *
	 * @return	boolean	 The previous state
	 *
	 * @since	3.2
	 */
	public function setLanguageFilter($state = false)
	{
		$old = $this->getLanguageFilter();
		$this->language_filter = $state;

return $old;
	}

/**
	 * Overrides the default template that would be used
	 *
	 * @param   \stdClass|string $template    The template name or definition
	 * @param   mixed            $styleParams The template style parameters
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	public function setTemplate($template, $styleParams = null)
	{
		if (is_object($template))
		{
			$templateName        = empty($template->template)
				? ''
				: $template->template;
			$templateInheritable = empty($template->inheritable)
				? 0
				: $template->inheritable;
			$templateParent      = empty($template->parent)
				? ''
				: $template->parent;
			$templateParams      = empty($template->params)
				? $styleParams
				: $template->params;
		}
		else
		{
			$templateName        = $template;
			$templateInheritable = 0;
			$templateParent      = '';
			$templateParams      = $styleParams;
		}

if (is_dir(JPATH_THEMES . '/' . $templateName))
		{
			$this->template = new \stdClass;
			$this->template->template = $templateName;

if ($templateParams instanceof Registry)
			{
				$this->template->params = $templateParams;
			}
			else
			{
				$this->template->params = new Registry($templateParams);
			}

$this->template->inheritable = $templateInheritable;
			$this->template->parent      = $templateParent;

// Store the template and its params to the config
			$this->set('theme', $this->template->template);
			$this->set('themeParams', $this->template->params);
		}
	}
}