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4 daniel-mar 1 
<?php /* <ViaThinkSoftSignature>
57 daniel-mar 2 
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A==
4 daniel-mar 24 
</ViaThinkSoftSignature> */ ?>
2 daniel-mar 25 
<?php
26 
 
27 
/*
28 
 * VNag - Nagios Framework for PHP
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 * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
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 * Licensed under the terms of the Apache 2.0 license
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 *
57 daniel-mar 32 
 * Revision 2022-09-12
2 daniel-mar 33 
 */
34 
 
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declare(ticks=1);
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class MediaWikiVersionCheck extends VNag {
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        protected $argSystemDir = null;
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        public function __construct() {
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                parent::__construct();
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                $this->registerExpectedStandardArguments('Vht');
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                $this->getHelpManager()->setPluginName('check_mediawiki_version');
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                $this->getHelpManager()->setVersion('1.0');
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                $this->getHelpManager()->setShortDescription('This plugin checks if a local MediaWiki system has the latest version installed.');
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                $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
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                $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]');
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                $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
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                // Individual (non-standard) arguments:
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                $this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'mediawikiPath', 'The local directory where MediaWiki installation is located.'));
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        }
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        protected function get_mediawiki_version($path) {
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                $path = realpath($path) === false ? $path : realpath($path);
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41 daniel-mar 59 
                $c = @file_get_contents("$path/includes/Defines.php");
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                if (!preg_match('@define\\( \'MW_VERSION\', \'([0-9\\.]+)\' \\);@is', $c, $m)) {
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                        $c = @file_get_contents("$path/includes/DefaultSettings.php");
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                        if (!preg_match('@\\$wgVersion = \'([0-9\\.]+)\';@is', $c, $m)) {
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                                throw new Exception("Cannot find version information at $path");
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                        }
2 daniel-mar 65 
                }
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                return $m[1];
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        }
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        protected function get_latest_version() {
6 daniel-mar 71 
                $cont = @file_get_contents('https://www.mediawiki.org/wiki/Download/en');
2 daniel-mar 72 
                if (!$cont) {
46 daniel-mar 73 
 
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                        // The server replies to some older versions of PHP: 426 Upgrade Required
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                        $ch = curl_init();
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                        curl_setopt($ch, CURLOPT_URL, "https://www.mediawiki.org/wiki/Download/en");
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                        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );
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                        $cont = @curl_exec( $ch );
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                        curl_close($ch);
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                        if (!$cont) {
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                                throw new Exception("Cannot access website with latest version");
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                        }
2 daniel-mar 84 
                }
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26 daniel-mar 86 
                if (!preg_match('@//releases\.wikimedia\.org/mediawiki/([^"]+)/mediawiki\-([^"]+)\.tar\.gz"@ismU', $cont, $m)) {
2 daniel-mar 87 
                        throw new Exception("Cannot find version information on the website");
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                }
89 
 
26 daniel-mar 90 
                return $m[2];
2 daniel-mar 91 
        }
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        protected function cbRun($optional_args=array()) {
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                $system_dir = $this->argSystemDir->getValue();
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                if (empty($system_dir)) {
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                        throw new Exception("Please specify the directory of the MediaWiki installation.");
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                }
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                $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir);
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100 
                if (!is_dir($system_dir)) {
29 daniel-mar 101 
                        throw new Exception('Directory "'.$system_dir.'" not found.');
2 daniel-mar 102 
                }
103 
 
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                $version = $this->get_mediawiki_version($system_dir);
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                $latest_version = $this->get_latest_version();
107 
 
57 daniel-mar 108 
                if (version_compare($version,$latest_version) >= 0) {
2 daniel-mar 109 
                        $this->setStatus(VNag::STATUS_OK);
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                        $this->setHeadline("Version $version at $system_dir", true);
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                } else {
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                        $this->setStatus(VNag::STATUS_WARNING);
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                        $this->setHeadline("Version $version is outdated (Latest version is $latest_version) at $system_dir", true);
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                }
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        }
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}