Subversion Repositories vnag

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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 2021-06-26

 */

declare(ticks=1);

class OwnCloudVersionCheck extends VNag {

        protected $argSystemDir = null;

        public function __construct() {

                parent::__construct();

                $this->registerExpectedStandardArguments('Vvht');

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

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

                $this->getHelpManager()->setShortDescription('This plugin checks if a local ownCloud 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, 'ownCloudPath', 'The local directory where your ownCloud installation is located.'));

        }

        protected function get_owncloud_version($local_path) {

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

                if (!file_exists($local_path . '/version.php')) {

                        throw new Exception('This is not a valid ownCloud installation in "'.$local_path.'".');

                }

                // TODO: this is a security vulnerability if an non-root user can control the input of version.php !

                $vendor = 'unknown';

                $OC_Version = array(0,0,0,0);

                $OC_VersionString = 'unknown';

                $OC_Edition = 'unknown';

                $OC_Channel = 'unknown';

                $OC_Build = 'unknown';

                include $local_path . '/version.php';

                if ($vendor != 'owncloud') {

                        throw new Exception('This is not a valid ownCloud installation in "'.$local_path.'". It is "$vendor".');

                }

                // Owncloud\Updater\Utils\Fetcher::DEFAULT_BASE_URL

                $baseUrl = 'https://updates.owncloud.com/server/';

                $update_url = $baseUrl . '?version='.

                              implode('x', $OC_Version).'x'.

                              'installedatx'.

                              'lastupdatedatx'.

                              $OC_Channel.'x'.

                              $OC_Edition.'x'.

                              urlencode($OC_Build);

                $cont = file_get_contents($update_url);

                if ($cont === false) {

                        throw new Exception('Could not determinate current ownCloud version in "'.$local_path.'".');

                }

                if ($cont === '') {

                        return array($OC_VersionString, $OC_VersionString, $OC_Channel);

                } else {

                        $xml = simplexml_load_string($cont);

                        $new_ver = (string)$xml->version;

                        return array($OC_VersionString, $new_ver, $OC_Channel);

                }

        }

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

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

                if (empty($system_dir)) {

                        throw new Exception("Please specify the directory of the ownCloud 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.');

                }

                list($cur_ver, $new_ver, $channel) = $this->get_owncloud_version($system_dir);

                if ($cur_ver === $new_ver) {

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

                        $this->setHeadline("ownCloud version $cur_ver [$channel] is the latest available version for your ownCloud installation at $system_dir", true);

                } else {

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

                        $this->setHeadline("ownCloud version $cur_ver [$channel] is outdated. Newer version is $new_ver [$channel] for installation at $system_dir", true);

                }

        }

}