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| 59 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature> |
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| 22 | 0kiVuMKY38aSkTfEAcG6utYsDY2LY/AkOvOItfXBMuTxiddC4VffmissJHHP+Y3jl |
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| 23 | w== |
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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 2022-12-18 |
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| 33 | */ |
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| 34 | |||
| 35 | declare(ticks=1); |
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| 36 | |||
| 37 | class ViewVCVersionCheck 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_viewvc_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 ViewVC 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, 'viewvcPath', 'The local directory where your ViewVC installation is located.')); |
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| 54 | } |
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| 55 | |||
| 56 | protected function get_local_version($path) { |
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| 57 | $path = realpath($path) === false ? $path : realpath($path); |
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| 58 | |||
| 59 | if (!file_exists("$path/lib/viewvc.py")) { |
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| 60 | throw new Exception("Cannot find ViewVC settings file at $path"); |
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| 61 | } |
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| 62 | |||
| 63 | $cont = @file_get_contents("$path/lib/viewvc.py"); |
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| 64 | |||
| 65 | if (!preg_match('@__version__\\s*=\\s*([\'"])(.+)\\1@ismU', $cont, $m)) { |
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| 66 | throw new Exception("Cannot determine version for system $path"); |
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| 67 | } |
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| 68 | |||
| 69 | return $m[2]; // e.g. "1.3.0-dev" |
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| 70 | } |
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| 71 | |||
| 72 | protected function get_latest_version() { |
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| 73 | $url = 'https://api.github.com/repos/viewvc/viewvc/releases/latest'; |
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| 74 | $max_cache_time = 24 * 60 * 60; |
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| 75 | $cache_file = $this->get_cache_dir().'/'.sha1($url); |
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| 76 | if (file_exists($cache_file) && (time()-filemtime($cache_file) < $max_cache_time)) { |
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| 77 | $cont = @file_get_contents($cache_file); |
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| 78 | if (!$cont) throw new Exception("Failed to get contents from $cache_file"); |
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| 79 | } else { |
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| 80 | $options = array( |
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| 81 | 'http'=>array( |
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| 82 | 'method'=>"GET", |
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| 83 | 'header'=>"Accept-language: en\r\n" . |
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| 84 | "User-Agent: Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.102011-10-16 20:23:10\r\n" |
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| 85 | ) |
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| 86 | ); |
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| 87 | $context = stream_context_create($options); |
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| 88 | $cont = @file_get_contents($url, false, $context); |
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| 89 | if (!$cont) throw new Exception("Failed to get contents from $url"); |
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| 90 | file_put_contents($cache_file, $cont); |
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| 91 | } |
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| 92 | |||
| 93 | $data = @json_decode($cont, true); |
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| 94 | if (!$data) { |
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| 95 | throw new Exception('Cannot parse version from GitHub API. The plugin probably needs to be updated. B'); |
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| 96 | } |
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| 97 | |||
| 98 | return $data['tag_name']; // e.g. "1.2.1" |
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| 99 | } |
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| 100 | |||
| 101 | protected function cbRun($optional_args=array()) { |
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| 102 | $system_dir = $this->argSystemDir->getValue(); |
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| 103 | if (empty($system_dir)) { |
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| 104 | throw new Exception("Please specify the directory of the ViewVC installation."); |
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| 105 | } |
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| 106 | $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir); |
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| 107 | |||
| 108 | if (!is_dir($system_dir)) { |
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| 109 | throw new Exception('Directory "'.$system_dir.'" not found.'); |
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| 110 | } |
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| 111 | |||
| 112 | $local_version = $this->get_local_version($system_dir); |
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| 113 | |||
| 114 | $latest_stable = $this->get_latest_version(); |
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| 115 | |||
| 116 | // Note: version_compare() correctly assumes that 1.3.0-dev is higher than 1.3.0 |
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| 117 | if (version_compare($local_version,$latest_stable,'>')) { |
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| 118 | $this->setStatus(VNag::STATUS_OK); |
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| 119 | $this->setHeadline("Version $local_version (Latest stable version $latest_stable) at $system_dir", true); |
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| 120 | } else if (version_compare($local_version,$latest_stable,'=')) { |
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| 121 | $this->setStatus(VNag::STATUS_OK); |
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| 122 | $this->setHeadline("Version $local_version (Latest stable version) at $system_dir", true); |
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| 123 | } else { |
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| 124 | $this->setStatus(VNag::STATUS_WARNING); |
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| 125 | $this->setHeadline("Version $local_version is outdated (Latest version is $latest_stable) at $system_dir", true); |
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| 126 | } |
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| 127 | } |
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| 128 | } |