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<?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;
}
}
// 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));
}
}
// 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);
}
}
}