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O:39:"phpDocumentor\Descriptor\FileDescriptor":23:{s:8:" * fqsen";N;s:7:" * name";s:16:"SystemStatus.php";s:12:" * namespace";s:0:"";s:10:" * package";s:4:"AJAX";s:10:" * summary";s:25:""Keep Alive" AJAX handler";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:676:"PHP version 8

Copyright (C) Villanova University 2023.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2,
as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:17:" * fileDescriptor";N;s:7:" * line";i:0;s:7:" * tags";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:5:{s:8:"category";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:1:{i:0;O:38:"phpDocumentor\Descriptor\TagDescriptor":3:{s:7:" * name";s:8:"category";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:6:"VuFind";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}}}}s:7:"package";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:1:{i:0;O:38:"phpDocumentor\Descriptor\TagDescriptor":3:{s:7:" * name";s:7:"package";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:4:"AJAX";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}}}}s:6:"author";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:1:{i:0;O:45:"phpDocumentor\Descriptor\Tag\AuthorDescriptor":3:{s:7:" * name";s:6:"author";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:39:"Demian Katz <demian.katz@villanova.edu>";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}}}}s:7:"license";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:1:{i:0;O:38:"phpDocumentor\Descriptor\TagDescriptor":3:{s:7:" * name";s:7:"license";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:69:"http://opensource.org/licenses/gpl-2.0.php GNU General Public License";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}}}}s:4:"link";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:1:{i:0;O:43:"phpDocumentor\Descriptor\Tag\LinkDescriptor":4:{s:7:" * name";s:4:"link";s:14:" * description";O:55:"phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor":2:{s:68:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor description";O:45:"phpDocumentor\Reflection\DocBlock\Description":2:{s:59:" phpDocumentor\Reflection\DocBlock\Description bodyTemplate";s:4:"Wiki";s:51:" phpDocumentor\Reflection\DocBlock\Description tags";a:0:{}}s:67:" phpDocumentor\Descriptor\DocBlock\DescriptionDescriptor inlineTags";a:0:{}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}s:7:" * link";s:35:"https://vufind.org/wiki/development";}}}}}s:9:" * errors";O:35:"phpDocumentor\Descriptor\Collection":1:{s:8:" * items";a:0:{}}s:19:" * inheritedElement";N;s:7:" * hash";s:32:"7c2a78e786dd443e645d0d577c8c791f";s:7:" * path";s:46:"VuFind/src/VuFind/AjaxHandler/SystemStatus.php";s:9:" * source";s:4072:"<?php

/**
 * "Keep Alive" AJAX handler
 *
 * PHP version 8
 *
 * Copyright (C) Villanova University 2023.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category VuFind
 * @package  AJAX
 * @author   Demian Katz <demian.katz@villanova.edu>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     https://vufind.org/wiki/development Wiki
 */

namespace VuFind\AjaxHandler;

use Laminas\Config\Config;
use Laminas\Mvc\Controller\Plugin\Params;
use Laminas\Session\SessionManager;
use VuFind\Db\Service\SessionServiceInterface;
use VuFind\Search\Results\PluginManager as ResultsManager;

/**
 * "Keep Alive" AJAX handler
 *
 * This is responsible for keeping the session alive whenever called
 * (via JavaScript)
 *
 * @category VuFind
 * @package  AJAX
 * @author   Demian Katz <demian.katz@villanova.edu>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     https://vufind.org/wiki/development Wiki
 */
class SystemStatus extends AbstractBase implements \Laminas\Log\LoggerAwareInterface
{
    use \VuFind\Log\LoggerAwareTrait;

    /**
     * Constructor
     *
     * @param SessionManager          $sessionManager Session manager
     * @param ResultsManager          $resultsManager Results manager
     * @param Config                  $config         Top-level VuFind configuration (config.ini)
     * @param SessionServiceInterface $sessionService Session database service
     */
    public function __construct(
        protected SessionManager $sessionManager,
        protected ResultsManager $resultsManager,
        protected Config $config,
        protected SessionServiceInterface $sessionService
    ) {
    }

    /**
     * Handle a request.
     *
     * @param Params $params Parameter helper from controller
     *
     * @return array [response data, HTTP status code]
     *
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function handleRequest(Params $params)
    {
        // Check system status
        if (
            !empty($this->config->System->healthCheckFile)
            && file_exists($this->config->System->healthCheckFile)
        ) {
            return $this->formatResponse(
                'Health check file exists',
                self::STATUS_HTTP_UNAVAILABLE
            );
        }

        // Test logging (note that the message doesn't need to get written for the log writers to initialize):
        $this->log('info', 'SystemStatus log check', [], true);

        // Test search index
        try {
            $results = $this->resultsManager->get('Solr');
            $paramsObj = $results->getParams();
            $paramsObj->setQueryIDs(['healthcheck']);
            $results->performAndProcessSearch();
        } catch (\Exception $e) {
            return $this->formatResponse(
                'Search index error: ' . $e->getMessage(),
                self::STATUS_HTTP_ERROR
            );
        }

        // Test database connection
        try {
            $this->sessionService->getSessionById('healthcheck', false);
        } catch (\Exception $e) {
            return $this->formatResponse(
                'Database error: ' . $e->getMessage(),
                self::STATUS_HTTP_ERROR
            );
        }

        // This may be called frequently, don't leave sessions dangling
        $this->sessionManager->destroy();

        return $this->formatResponse('');
    }
}
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