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  1. <?php /* <ViaThinkSoftSignature>
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  23. A==
  24. </ViaThinkSoftSignature> */ ?>
  25. <?php
  26.  
  27. /*
  28.  * VNag - Nagios Framework for PHP
  29.  * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
  30.  * Licensed under the terms of the Apache 2.0 license
  31.  *
  32.  * Revision 2022-09-12
  33.  */
  34.  
  35. declare(ticks=1);
  36.  
  37. class MediaWikiVersionCheck extends VNag {
  38.         protected $argSystemDir = null;
  39.  
  40.         public function __construct() {
  41.                 parent::__construct();
  42.  
  43.                 $this->registerExpectedStandardArguments('Vht');
  44.  
  45.                 $this->getHelpManager()->setPluginName('check_mediawiki_version');
  46.                 $this->getHelpManager()->setVersion('1.0');
  47.                 $this->getHelpManager()->setShortDescription('This plugin checks if a local MediaWiki system has the latest version installed.');
  48.                 $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
  49.                 $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]');
  50.                 $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
  51.  
  52.                 // Individual (non-standard) arguments:
  53.                 $this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'mediawikiPath', 'The local directory where MediaWiki installation is located.'));
  54.         }
  55.  
  56.         protected function get_mediawiki_version($path) {
  57.                 $path = realpath($path) === false ? $path : realpath($path);
  58.  
  59.                 $c = @file_get_contents("$path/includes/Defines.php");
  60.                 if (!preg_match('@define\\( \'MW_VERSION\', \'([0-9\\.]+)\' \\);@is', $c, $m)) {
  61.                         $c = @file_get_contents("$path/includes/DefaultSettings.php");
  62.                         if (!preg_match('@\\$wgVersion = \'([0-9\\.]+)\';@is', $c, $m)) {
  63.                                 throw new Exception("Cannot find version information at $path");
  64.                         }
  65.                 }
  66.  
  67.                 return $m[1];
  68.         }
  69.  
  70.         protected function get_latest_version() {
  71.                 $cont = @file_get_contents('https://www.mediawiki.org/wiki/Download/en');
  72.                 if (!$cont) {
  73.  
  74.                         // The server replies to some older versions of PHP: 426 Upgrade Required
  75.                         $ch = curl_init();
  76.                         curl_setopt($ch, CURLOPT_URL, "https://www.mediawiki.org/wiki/Download/en");
  77.                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );
  78.                         $cont = @curl_exec( $ch );
  79.                         curl_close($ch);
  80.  
  81.                         if (!$cont) {
  82.                                 throw new Exception("Cannot access website with latest version");
  83.                         }
  84.                 }
  85.  
  86.                 if (!preg_match('@//releases\.wikimedia\.org/mediawiki/([^"]+)/mediawiki\-([^"]+)\.tar\.gz"@ismU', $cont, $m)) {
  87.                         throw new Exception("Cannot find version information on the website");
  88.                 }
  89.  
  90.                 return $m[2];
  91.         }
  92.  
  93.         protected function cbRun($optional_args=array()) {
  94.                 $system_dir = $this->argSystemDir->getValue();
  95.                 if (empty($system_dir)) {
  96.                         throw new Exception("Please specify the directory of the MediaWiki installation.");
  97.                 }
  98.                 $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir);
  99.  
  100.                 if (!is_dir($system_dir)) {
  101.                         throw new Exception('Directory "'.$system_dir.'" not found.');
  102.                 }
  103.  
  104.                 $version = $this->get_mediawiki_version($system_dir);
  105.  
  106.                 $latest_version = $this->get_latest_version();
  107.  
  108.                 if (version_compare($version,$latest_version) >= 0) {
  109.                         $this->setStatus(VNag::STATUS_OK);
  110.                         $this->setHeadline("Version $version at $system_dir", true);
  111.                 } else {
  112.                         $this->setStatus(VNag::STATUS_WARNING);
  113.                         $this->setHeadline("Version $version is outdated (Latest version is $latest_version) at $system_dir", true);
  114.                 }
  115.         }
  116. }
  117.