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| 34 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature> |
| 76 | daniel-mar | 2 | xIodU7lBP0sOx3e6CFtClkfp/bVAPoqGDfH9rytWnT4tezmk0METjFW5UfkfEhftq |
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| 22 | XMs33vPVTK5t1obSksMDCf/9dJmjRQ+XtS0+D2AsWdkD2MUJhoHLJE6spl+h5dQ+7 |
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| 23 | Q== |
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| 34 | daniel-mar | 24 | </ViaThinkSoftSignature> */ ?> |
| 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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| 76 | daniel-mar | 32 | * Revision 2023-10-13 |
| 34 | daniel-mar | 33 | */ |
| 34 | |||
| 35 | declare(ticks=1); |
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| 36 | |||
| 37 | class GitLabVersionCheck 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('Vvht'); |
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| 44 | |||
| 45 | $this->getHelpManager()->setPluginName('check_gitlab_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 GitLab 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, 'gitLabPath', 'The local directory where your GitLab installation (version-manifest.txt) is located.')); |
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| 54 | } |
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| 55 | |||
| 56 | protected function getInstalledVersion($dir) { |
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| 57 | $version_manifest = $dir.'/version-manifest.json'; |
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| 58 | |||
| 59 | if (!file_exists($version_manifest)) { |
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| 60 | throw new Exception('This is not a valid GitLab installation in "'.$dir.'" (version-manifest.json is missing).'); |
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| 61 | } |
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| 62 | |||
| 63 | $json = json_decode(file_get_contents($version_manifest),true); |
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| 64 | return $json['build_version']; |
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| 65 | } |
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| 66 | |||
| 67 | protected function getServerResponse($version) { |
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| 68 | $opts = array( |
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| 69 | 'http'=>array( |
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| 70 | 'method'=>"GET", |
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| 76 | daniel-mar | 71 | 'header'=>"Referer: http://example.org/\r\n" // Important!!! |
| 34 | daniel-mar | 72 | ) |
| 73 | ); |
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| 74 | $context = stream_context_create($opts); |
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| 75 | $url = "https://version.gitlab.com/check.svg?gitlab_info=". |
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| 76 | urlencode(base64_encode('{"version":"'.$version.'"}')); |
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| 76 | daniel-mar | 77 | $cont = $this->url_get_contents($url, 1*60*60, $context); |
| 34 | daniel-mar | 78 | |
| 76 | daniel-mar | 79 | if ($cont === false) { |
| 34 | daniel-mar | 80 | throw new Exception('Cannot query version.gitlab.com for version check (Version '.$version.')'); |
| 81 | } |
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| 82 | |||
| 76 | daniel-mar | 83 | if (!preg_match('@>([^<]+)</text>@ismU', $cont, $m)) { |
| 34 | daniel-mar | 84 | throw new Exception('Server version.gitlab.com sent an unexpected reply (Version '.$version.')'); |
| 85 | } |
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| 86 | |||
| 87 | return $m[1]; |
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| 88 | } |
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| 89 | |||
| 90 | protected function cbRun($optional_args=array()) { |
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| 91 | $system_dir = $this->argSystemDir->getValue(); |
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| 92 | if (empty($system_dir)) { |
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| 93 | throw new Exception("Please specify the directory of the GitLab installation."); |
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| 94 | } |
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| 95 | $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir); |
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| 96 | |||
| 97 | if (!is_dir($system_dir)) { |
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| 98 | throw new Exception('Directory "'.$system_dir.'" not found.'); |
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| 99 | } |
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| 100 | |||
| 101 | $cur_ver = $this->getInstalledVersion($system_dir); |
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| 102 | $status = $this->getServerResponse($cur_ver); |
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| 103 | |||
| 104 | if ($status == 'up-to-date') { |
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| 105 | $this->setStatus(VNag::STATUS_OK); |
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| 106 | } else if ($status == 'update available') { |
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| 107 | $this->setStatus(VNag::STATUS_WARNING); |
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| 35 | daniel-mar | 108 | } else if ($status == 'update asap') { |
| 109 | $this->setStatus(VNag::STATUS_CRITICAL); |
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| 34 | daniel-mar | 110 | } else { |
| 111 | $this->setStatus(VNag::STATUS_UNKNOWN); |
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| 112 | } |
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| 35 | daniel-mar | 113 | $this->setHeadline("GitLab currently installed version $cur_ver [$status] at $system_dir", true); |
| 34 | daniel-mar | 114 | } |
| 115 | } |