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<?php |
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/** |
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* Joomla! Statistics Server |
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* |
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* @copyright Copyright (C) 2013 - 2017 Open Source Matters, Inc. All rights reserved. |
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* @license http://www.gnu.org/licenses/gpl-2.0.txt GNU General Public License Version 2 or Later |
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*/ |
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namespace Joomla\StatsServer\Controllers; |
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use Joomla\Controller\AbstractController; |
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use Joomla\Cache\Item\Item; |
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use Joomla\StatsServer\Views\Stats\StatsJsonView; |
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use Psr\Cache\CacheItemPoolInterface; |
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/** |
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* Controller for displaying submitted statistics data. |
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* |
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* @method \Joomla\StatsServer\WebApplication getApplication() Get the application object. |
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* @property-read \Joomla\StatsServer\WebApplication $app Application object |
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*/ |
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class DisplayControllerGet extends AbstractController |
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{ |
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/** |
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* The cache item pool. |
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* |
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* @var CacheItemPoolInterface |
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*/ |
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private $cache; |
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/** |
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* JSON view for displaying the statistics. |
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* |
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* @var StatsJsonView |
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*/ |
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private $view; |
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/** |
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* Constructor. |
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* |
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* @param StatsJsonView $view JSON view for displaying the statistics. |
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* @param CacheItemPoolInterface $cache The cache item pool. |
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*/ |
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public function __construct(StatsJsonView $view, CacheItemPoolInterface $cache) |
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{ |
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$this->cache = $cache; |
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$this->view = $view; |
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} |
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/** |
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* Execute the controller. |
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* |
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* @return boolean |
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*/ |
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public function execute() |
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{ |
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// Check if we are allowed to receive the raw data |
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$authorizedRaw = $this->getInput()->server->getString('HTTP_JOOMLA_RAW', 'fail') === $this->getApplication()->get('stats.rawdata', false); |
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// Check if a single data source is requested |
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$source = $this->getInput()->getString('source', ''); |
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$this->view->isAuthorizedRaw($authorizedRaw); |
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$this->view->setSource($source); |
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// Serve cached data if the cache layer is enabled and the raw data source is not requested |
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if ($this->getApplication()->get('cache.enabled', false) && !$authorizedRaw) |
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{ |
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$key = md5(get_class($this->view) . __METHOD__ . $source); |
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if ($this->cache->hasItem($key)) |
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{ |
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$item = $this->cache->getItem($key); |
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// Make sure we got a hit on the item, otherwise we'll have to re-cache |
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if ($item->isHit()) |
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{ |
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$body = $item->get(); |
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} |
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else |
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{ |
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$body = $this->view->render(); |
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$this->cacheData($key, $body); |
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} |
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} |
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else |
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{ |
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$body = $this->view->render(); |
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$this->cacheData($key, $body); |
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} |
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} |
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else |
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{ |
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$body = $this->view->render(); |
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} |
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$this->getApplication()->setBody($body); |
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return true; |
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} |
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/** |
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* Store the given data to the cache pool. |
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* |
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* @param string $key The key for the cache item. |
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* @param mixed $data The data to be stored to cache. |
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* |
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* @return void |
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*/ |
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private function cacheData(string $key, $data) |
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{ |
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$item = (new Item($key, $this->getApplication()->get('cache.lifetime', 900))) |
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->set($data); |
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$this->cache->save($item); |
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} |
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} |
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joomla /
statistics-server
