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4 daniel-mar 1 
<?php /* <ViaThinkSoftSignature>
29 daniel-mar 2 
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w==
4 daniel-mar 24 
</ViaThinkSoftSignature> */ ?>
2 daniel-mar 25 
<?php
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/*
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 * 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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 *
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 * Revision 2018-07-15
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 */
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declare(ticks=1);
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class WordPressVersionCheck 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_wordpress_version');
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                $this->getHelpManager()->setVersion('1.0');
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                $this->getHelpManager()->setShortDescription('This plugin checks if a local WordPress Webmail 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, 'wordpressPath', 'The local directory where WordPress installation is located.'));
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        }
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        protected function get_wordpress_version($path) {
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                $path = realpath($path) === false ? $path : realpath($path);
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                $cont = @file_get_contents("$path/wp-includes/version.php");
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                if (!preg_match('@\$wp_version = \'(.+)\';@ismU', $cont, $m)) {
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                        throw new Exception("Cannot find version information at $path");
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                }
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                return $m[1];
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        }
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        protected function get_latest_version() {
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                $cont = @file_get_contents('https://wordpress.org/download/');
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                if (!$cont) {
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                        throw new Exception("Cannot access website with latest version");
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                }
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                if (!preg_match('@Download WordPress ([0-9\.]+)@ism', $cont, $m)) {
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                        throw new Exception("Cannot find version information on the website");
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                }
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                return trim($m[1]);
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        }
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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 WordPress installation.");
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                }
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                $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir);
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                if (!is_dir($system_dir)) {
29 daniel-mar 89 
                        throw new Exception('Directory "'.$system_dir.'" not found.');
2 daniel-mar 90 
                }
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                $version = $this->get_wordpress_version($system_dir);
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                $latest_version = $this->get_latest_version();
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                if ($version == $latest_version) {
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                        $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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}