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administrator/components/com_finder/controllers/indexer.json.php
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384
administrator/components/com_finder/controllers/indexer.json.php
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<?php
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/**
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* @package Joomla.Administrator
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* @subpackage com_finder
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('_JEXEC') or die;
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// Register dependent classes.
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JLoader::register('FinderIndexer', JPATH_COMPONENT_ADMINISTRATOR . '/helpers/indexer/indexer.php');
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/**
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* Indexer controller class for Finder.
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*
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* @package Joomla.Administrator
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* @subpackage com_finder
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* @since 2.5
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*/
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class FinderControllerIndexer extends JControllerLegacy
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{
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/**
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* Method to start the indexer.
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*
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* @return void
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*
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* @since 2.5
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*/
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public function start()
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{
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static $log;
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$params = JComponentHelper::getParams('com_finder');
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if ($params->get('enable_logging', '0'))
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{
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if ($log == null)
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{
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$options['format'] = '{DATE}\t{TIME}\t{LEVEL}\t{CODE}\t{MESSAGE}';
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$options['text_file'] = 'indexer.php';
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$log = JLog::addLogger($options);
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}
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}
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// Log the start
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JLog::add('Starting the indexer', JLog::INFO);
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// We don't want this form to be cached.
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header('Pragma: no-cache');
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header('Cache-Control: no-cache');
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header('Expires: -1');
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// Check for a valid token. If invalid, send a 403 with the error message.
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JSession::checkToken('request') or $this->sendResponse(new Exception(JText::_('JINVALID_TOKEN'), 403));
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// Put in a buffer to silence noise.
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ob_start();
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// Reset the indexer state.
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FinderIndexer::resetState();
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// Import the finder plugins.
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JPluginHelper::importPlugin('finder');
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// Add the indexer language to JS
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JText::script('COM_FINDER_AN_ERROR_HAS_OCCURRED');
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JText::script('COM_FINDER_NO_ERROR_RETURNED');
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// Start the indexer.
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try
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{
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// Trigger the onStartIndex event.
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JEventDispatcher::getInstance()->trigger('onStartIndex');
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// Get the indexer state.
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$state = FinderIndexer::getState();
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$state->start = 1;
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// Send the response.
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$this->sendResponse($state);
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}
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// Catch an exception and return the response.
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catch (Exception $e)
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{
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$this->sendResponse($e);
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}
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}
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/**
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* Method to run the next batch of content through the indexer.
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*
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* @return void
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*
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* @since 2.5
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*/
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public function batch()
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{
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static $log;
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$params = JComponentHelper::getParams('com_finder');
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if ($params->get('enable_logging', '0'))
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{
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if ($log == null)
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{
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$options['format'] = '{DATE}\t{TIME}\t{LEVEL}\t{CODE}\t{MESSAGE}';
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$options['text_file'] = 'indexer.php';
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$log = JLog::addLogger($options);
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}
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}
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// Log the start
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JLog::add('Starting the indexer batch process', JLog::INFO);
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// We don't want this form to be cached.
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header('Pragma: no-cache');
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header('Cache-Control: no-cache');
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header('Expires: -1');
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// Check for a valid token. If invalid, send a 403 with the error message.
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JSession::checkToken('request') or $this->sendResponse(new Exception(JText::_('JINVALID_TOKEN'), 403));
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// Put in a buffer to silence noise.
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ob_start();
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// Remove the script time limit.
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@set_time_limit(0);
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// Get the indexer state.
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$state = FinderIndexer::getState();
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// Reset the batch offset.
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$state->batchOffset = 0;
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// Update the indexer state.
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FinderIndexer::setState($state);
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// Import the finder plugins.
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JPluginHelper::importPlugin('finder');
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/*
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* We are going to swap out the raw document object with an HTML document
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* in order to work around some plugins that don't do proper environment
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* checks before trying to use HTML document functions.
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*/
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$raw = clone(JFactory::getDocument());
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$lang = JFactory::getLanguage();
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// Get the document properties.
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$attributes = array (
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'charset' => 'utf-8',
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'lineend' => 'unix',
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'tab' => ' ',
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'language' => $lang->getTag(),
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'direction' => $lang->isRTL() ? 'rtl' : 'ltr'
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);
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// Get the HTML document.
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$html = JDocument::getInstance('html', $attributes);
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$doc = JFactory::getDocument();
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// Swap the documents.
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$doc = $html;
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// Get the admin application.
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$admin = clone(JFactory::getApplication());
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// Get the site app.
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include_once JPATH_SITE . '/includes/application.php';
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$site = JApplication::getInstance('site');
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// Swap the app.
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$app = JFactory::getApplication();
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$app = $site;
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// Start the indexer.
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try
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{
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// Trigger the onBeforeIndex event.
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JEventDispatcher::getInstance()->trigger('onBeforeIndex');
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// Trigger the onBuildIndex event.
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JEventDispatcher::getInstance()->trigger('onBuildIndex');
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// Get the indexer state.
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$state = FinderIndexer::getState();
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$state->start = 0;
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$state->complete = 0;
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// Swap the documents back.
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$doc = $raw;
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// Swap the applications back.
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$app = $admin;
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// Send the response.
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$this->sendResponse($state);
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}
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// Catch an exception and return the response.
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catch (Exception $e)
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{
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// Swap the documents back.
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$doc = $raw;
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// Send the response.
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$this->sendResponse($e);
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}
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}
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/**
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* Method to optimize the index and perform any necessary cleanup.
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*
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* @return void
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*
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* @since 2.5
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*/
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public function optimize()
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{
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// We don't want this form to be cached.
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header('Pragma: no-cache');
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header('Cache-Control: no-cache');
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header('Expires: -1');
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// Check for a valid token. If invalid, send a 403 with the error message.
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JSession::checkToken('request') or $this->sendResponse(new Exception(JText::_('JINVALID_TOKEN'), 403));
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// Put in a buffer to silence noise.
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ob_start();
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// Import the finder plugins.
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JPluginHelper::importPlugin('finder');
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try
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{
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// Optimize the index
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FinderIndexer::getInstance()->optimize();
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// Get the indexer state.
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$state = FinderIndexer::getState();
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$state->start = 0;
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$state->complete = 1;
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// Send the response.
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$this->sendResponse($state);
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}
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// Catch an exception and return the response.
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catch (Exception $e)
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{
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$this->sendResponse($e);
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}
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}
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/**
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* Method to handle a send a JSON response. The body parameter
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* can be a Exception object for when an error has occurred or
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* a JObject for a good response.
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*
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* @param mixed $data JObject on success, Exception on error. [optional]
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*
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* @return void
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*
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* @since 2.5
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*/
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public static function sendResponse($data = null)
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{
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static $log;
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$params = JComponentHelper::getParams('com_finder');
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if ($params->get('enable_logging', '0'))
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{
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if ($log == null)
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{
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$options['format'] = '{DATE}\t{TIME}\t{LEVEL}\t{CODE}\t{MESSAGE}';
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$options['text_file'] = 'indexer.php';
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$log = JLog::addLogger($options);
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}
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}
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// Send the assigned error code if we are catching an exception.
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if ($data instanceof Exception)
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{
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JLog::add($data->getMessage(), JLog::ERROR);
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JResponse::setHeader('status', $data->getCode());
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JResponse::sendHeaders();
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}
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// Create the response object.
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$response = new FinderIndexerResponse($data);
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// Add the buffer.
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$response->buffer = JDEBUG ? ob_get_contents() : ob_end_clean();
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// Send the JSON response.
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echo json_encode($response);
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// Close the application.
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JFactory::getApplication()->close();
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}
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}
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/**
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* Finder Indexer JSON Response Class
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*
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* @package Joomla.Administrator
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* @subpackage com_finder
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* @since 2.5
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*/
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class FinderIndexerResponse
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{
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/**
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* Class Constructor
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*
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* @param mixed $state The processing state for the indexer
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*
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* @since 2.5
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*/
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public function __construct($state)
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{
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static $log;
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$params = JComponentHelper::getParams('com_finder');
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if ($params->get('enable_logging', '0'))
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{
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if ($log == null)
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{
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$options['format'] = '{DATE}\t{TIME}\t{LEVEL}\t{CODE}\t{MESSAGE}';
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$options['text_file'] = 'indexer.php';
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$log = JLog::addLogger($options);
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}
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}
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// The old token is invalid so send a new one.
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$this->token = JFactory::getSession()->getFormToken();
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// Check if we are dealing with an error.
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if ($state instanceof Exception)
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{
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// Log the error
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JLog::add($state->getMessage(), JLog::ERROR);
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// Prepare the error response.
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$this->error = true;
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$this->header = JText::_('COM_FINDER_INDEXER_HEADER_ERROR');
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$this->message = $state->getMessage();
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}
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else
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{
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// Prepare the response data.
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$this->batchSize = (int) $state->batchSize;
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$this->batchOffset = (int) $state->batchOffset;
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$this->totalItems = (int) $state->totalItems;
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$this->startTime = $state->startTime;
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$this->endTime = JFactory::getDate()->toSQL();
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$this->start = !empty($state->start) ? (int) $state->start : 0;
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$this->complete = !empty($state->complete) ? (int) $state->complete : 0;
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// Set the appropriate messages.
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if ($this->totalItems <= 0 && $this->complete)
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{
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$this->header = JText::_('COM_FINDER_INDEXER_HEADER_COMPLETE');
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$this->message = JText::_('COM_FINDER_INDEXER_MESSAGE_COMPLETE');
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}
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elseif ($this->totalItems <= 0)
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{
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$this->header = JText::_('COM_FINDER_INDEXER_HEADER_OPTIMIZE');
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$this->message = JText::_('COM_FINDER_INDEXER_MESSAGE_OPTIMIZE');
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}
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else
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{
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$this->header = JText::_('COM_FINDER_INDEXER_HEADER_RUNNING');
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$this->message = JText::_('COM_FINDER_INDEXER_MESSAGE_RUNNING');
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}
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}
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}
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}
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// Register the error handler.
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JError::setErrorHandling(E_ALL, 'callback', array('FinderControllerIndexer', 'sendResponse'));
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