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| 18 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature> |
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| 23 | Q== |
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| 24 | </ViaThinkSoftSignature> */ ?> |
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| 25 | <?php |
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| 26 | |||
| 27 | /* |
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| 28 | * VNag - Nagios Framework for PHP |
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| 29 | * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com> |
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| 30 | * Licensed under the terms of the Apache 2.0 license |
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| 31 | * |
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| 32 | * Revision 2020-03-12 |
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| 33 | */ |
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| 34 | |||
| 35 | declare(ticks=1); |
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| 36 | |||
| 37 | class PmWikiVersionCheck extends VNag { |
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| 38 | protected $argSystemDir = null; |
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| 39 | |||
| 40 | public function __construct() { |
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| 41 | parent::__construct(); |
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| 42 | |||
| 43 | $this->registerExpectedStandardArguments('Vht'); |
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| 44 | |||
| 45 | $this->getHelpManager()->setPluginName('check_pmwiki_version'); |
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| 46 | $this->getHelpManager()->setVersion('1.0'); |
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| 47 | $this->getHelpManager()->setShortDescription('This plugin checks if a local PmWiki system has the latest version installed.'); |
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| 48 | $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.'); |
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| 49 | $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]'); |
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| 50 | $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com'); |
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| 51 | |||
| 52 | // Individual (non-standard) arguments: |
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| 53 | $this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'pmWikiPath', 'The local directory where PmWiki installation is located.')); |
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| 54 | } |
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| 55 | |||
| 56 | protected function get_pmwiki_version($path) { |
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| 57 | $path = realpath($path) === false ? $path : realpath($path); |
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| 58 | |||
| 59 | $c = @file_get_contents("$path/scripts/version.php"); |
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| 60 | |||
| 61 | if (!preg_match('@\\$Version="pmwiki-(.+)";@is', $c, $m)) { |
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| 62 | throw new Exception("Cannot find version information at $path"); |
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| 63 | } |
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| 64 | |||
| 65 | return $m[1]; |
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| 66 | } |
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| 67 | |||
| 68 | protected function get_latest_version() { |
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| 69 | $cont = @file_get_contents('https://www.pmwiki.org/wiki/PmWiki/Download'); |
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| 70 | if (!$cont) { |
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| 71 | throw new Exception("Cannot access website with latest version"); |
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| 72 | } |
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| 73 | |||
| 74 | if (!preg_match('@Latest <em>stable</em> release \(pmwiki-(.+)<@ismU', $cont, $m)) { |
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| 75 | throw new Exception("Cannot find version information on the website"); |
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| 76 | } |
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| 77 | |||
| 78 | return $m[1]; |
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| 79 | } |
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| 80 | |||
| 81 | protected function cbRun($optional_args=array()) { |
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| 82 | $system_dir = $this->argSystemDir->getValue(); |
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| 83 | if (empty($system_dir)) { |
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| 84 | throw new Exception("Please specify the directory of the PmWiki installation."); |
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| 85 | } |
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| 86 | $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir); |
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| 87 | |||
| 88 | if (!is_dir($system_dir)) { |
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| 89 | throw new Exception('Directory "'.$system_dir.'" not found.', false); |
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| 90 | } |
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| 91 | |||
| 92 | $version = $this->get_pmwiki_version($system_dir); |
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| 93 | |||
| 94 | $latest_version = $this->get_latest_version(); |
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| 95 | |||
| 96 | // TODO: We should probably use version_compare() instead of string comparison |
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| 97 | if ($version == $latest_version) { |
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| 98 | $this->setStatus(VNag::STATUS_OK); |
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| 99 | $this->setHeadline("Version $version at $system_dir", true); |
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| 100 | } else { |
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| 101 | $this->setStatus(VNag::STATUS_WARNING); |
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| 102 | $this->setHeadline("Version $version is outdated (Latest version is $latest_version) at $system_dir", true); |
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| 103 | } |
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| 104 | } |
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| 105 | } |