Subversion Repositories vnag

<?php /* <ViaThinkSoftSignature>

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</ViaThinkSoftSignature> */ ?>

<?php

/*

 * VNag - Nagios Framework for PHP

 * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>

 * Licensed under the terms of the Apache 2.0 license

 *

 * Revision 2022-02-02

 */

declare(ticks=1);

class MediaWikiVersionCheck extends VNag {

        protected $argSystemDir = null;

        public function __construct() {

                parent::__construct();

                $this->registerExpectedStandardArguments('Vht');

                $this->getHelpManager()->setPluginName('check_mediawiki_version');

                $this->getHelpManager()->setVersion('1.0');

                $this->getHelpManager()->setShortDescription('This plugin checks if a local MediaWiki system has the latest version installed.');

                $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');

                $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]');

                $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');

                // Individual (non-standard) arguments:

                $this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'mediawikiPath', 'The local directory where MediaWiki installation is located.'));

        }

        protected function get_mediawiki_version($path) {

                $path = realpath($path) === false ? $path : realpath($path);

                $c = @file_get_contents("$path/includes/Defines.php");

                if (!preg_match('@define\\( \'MW_VERSION\', \'([0-9\\.]+)\' \\);@is', $c, $m)) {

                        $c = @file_get_contents("$path/includes/DefaultSettings.php");

                        if (!preg_match('@\\$wgVersion = \'([0-9\\.]+)\';@is', $c, $m)) {

                                throw new Exception("Cannot find version information at $path");

                        }

                }

                return $m[1];

        }

        protected function get_latest_version() {

                $cont = @file_get_contents('https://www.mediawiki.org/wiki/Download/en');

                if (!$cont) {

                        // The server replies to some older versions of PHP: 426 Upgrade Required

                        $ch = curl_init();

                        curl_setopt($ch, CURLOPT_URL, "https://www.mediawiki.org/wiki/Download/en");

                        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );

                        $cont = @curl_exec( $ch );

                        curl_close($ch);

                        if (!$cont) {

                                throw new Exception("Cannot access website with latest version");

                        }

                }

                if (!preg_match('@//releases\.wikimedia\.org/mediawiki/([^"]+)/mediawiki\-([^"]+)\.tar\.gz"@ismU', $cont, $m)) {

                        throw new Exception("Cannot find version information on the website");

                }

                return $m[2];

        }

        protected function cbRun($optional_args=array()) {

                $system_dir = $this->argSystemDir->getValue();

                if (empty($system_dir)) {

                        throw new Exception("Please specify the directory of the MediaWiki installation.");

                }

                $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir);

                if (!is_dir($system_dir)) {

                        throw new Exception('Directory "'.$system_dir.'" not found.');

                }

                $version = $this->get_mediawiki_version($system_dir);

                $latest_version = $this->get_latest_version();

                if ($version == $latest_version) {

                        $this->setStatus(VNag::STATUS_OK);

                        $this->setHeadline("Version $version at $system_dir", true);

                } else {

                        $this->setStatus(VNag::STATUS_WARNING);

                        $this->setHeadline("Version $version is outdated (Latest version is $latest_version) at $system_dir", true);

                }

        }

}