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Rev | Author | Line No. | Line |
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32 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * VNag - Nagios Framework for PHP |
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5 | * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com> |
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6 | * Licensed under the terms of the Apache 2.0 license |
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7 | * |
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76 | daniel-mar | 8 | * Revision 2023-10-13 |
32 | daniel-mar | 9 | */ |
10 | |||
11 | declare(ticks=1); |
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12 | |||
13 | class NextCloudVersionCheck extends VNag { |
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14 | protected $argSystemDir = null; |
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15 | |||
16 | public function __construct() { |
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17 | parent::__construct(); |
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18 | |||
19 | $this->registerExpectedStandardArguments('Vvht'); |
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20 | |||
21 | $this->getHelpManager()->setPluginName('check_nextcloud_version'); |
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79 | daniel-mar | 22 | $this->getHelpManager()->setVersion('2023-10-13'); |
32 | daniel-mar | 23 | $this->getHelpManager()->setShortDescription('This plugin checks if a local Nextcloud system has the latest version installed.'); |
24 | $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.'); |
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25 | $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]'); |
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26 | $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com'); |
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27 | |||
28 | // Individual (non-standard) arguments: |
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29 | $this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'nextCloudPath', 'The local directory where your Nextcloud installation is located.')); |
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30 | } |
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31 | |||
76 | daniel-mar | 32 | protected function get_versions($local_path) { |
32 | daniel-mar | 33 | $local_path = realpath($local_path) === false ? $local_path : realpath($local_path); |
34 | |||
35 | if (!file_exists($local_path . '/version.php')) { |
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77 | daniel-mar | 36 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'".'); |
32 | daniel-mar | 37 | } |
38 | |||
33 | daniel-mar | 39 | // We don't include version.php because it would be a security vulnerability |
40 | // code injection if somebody controls version.php |
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77 | daniel-mar | 41 | $cont = @file_get_contents($local_path . '/version.php'); |
42 | if ($cont === false) { |
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43 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing file version.php.'); |
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44 | } |
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33 | daniel-mar | 45 | if (preg_match('@\\$(OC_Version)\\s*=\\s*array\\(\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*,\\s*(.+)\\s*\\)\\s*;@ismU', $cont, $m)) { |
46 | $OC_Version = array($m[2],$m[3],$m[4],$m[5]); |
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47 | } else { |
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77 | daniel-mar | 48 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Version".'); |
32 | daniel-mar | 49 | } |
33 | daniel-mar | 50 | if (preg_match('@\\$(OC_VersionString)\\s*=\\s*([\'"])(.*)\\2\\s*;@ismU', $cont, $m)) { |
51 | $OC_VersionString = $m[3]; |
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52 | } else { |
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77 | daniel-mar | 53 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_VersionString".'); |
33 | daniel-mar | 54 | } |
55 | if (preg_match('@\\$(OC_Edition)\\s*=\\s*([\'"])(.*)\\2\\s*;@ismU', $cont, $m)) { |
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56 | $OC_Edition = $m[3]; |
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57 | } else { |
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77 | daniel-mar | 58 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Edition".'); |
33 | daniel-mar | 59 | } |
60 | if (preg_match('@\\$(OC_Channel)\\s*=\\s*([\'"])(.*)\\2\\s*;@ismU', $cont, $m)) { |
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61 | $OC_Channel = $m[3]; |
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62 | } else { |
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77 | daniel-mar | 63 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Channel".'); |
33 | daniel-mar | 64 | } |
65 | if (preg_match('@\\$(OC_Build)\\s*=\\s*([\'"])(.*)\\2\\s*;@ismU', $cont, $m)) { |
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66 | $OC_Build = $m[3]; |
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67 | } else { |
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77 | daniel-mar | 68 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Build".'); |
33 | daniel-mar | 69 | } |
70 | if (preg_match('@\\$(vendor)\\s*=\\s*([\'"])(.*)\\2\\s*;@ismU', $cont, $m)) { |
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71 | $vendor = $m[3]; |
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72 | if ($vendor != 'nextcloud') { |
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77 | daniel-mar | 73 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". It is "'.$vendor.'".'); |
33 | daniel-mar | 74 | } |
75 | } else { |
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77 | daniel-mar | 76 | throw new VNagException('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "vendor".'); |
33 | daniel-mar | 77 | } |
32 | daniel-mar | 78 | |
79 | $baseUrl = 'https://updates.nextcloud.org/updater_server/'; |
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80 | |||
81 | // More information about the paramters, see https://github.com/nextcloud/updater_server/blob/master/src/Request.php |
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82 | $php_version = explode('.', PHP_VERSION); |
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83 | $update_url = $baseUrl . '?version='. |
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84 | implode('x', $OC_Version).'x'. |
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85 | 'x'. // installationMtime |
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86 | 'x'. // lastCheck |
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87 | $OC_Channel.'x'. |
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88 | $OC_Edition.'x'. |
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89 | urlencode($OC_Build).'x'. |
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90 | $php_version[0].'x'. |
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91 | $php_version[1].'x'. |
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92 | intval($php_version[2]); // Last part could be something like "28-2+0~20210604.85+debian9~1.gbp219f11" |
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93 | |||
76 | daniel-mar | 94 | $cont = $this->url_get_contents($update_url); |
32 | daniel-mar | 95 | if ($cont === false) { |
77 | daniel-mar | 96 | throw new VNagException('Could not determinate current Nextcloud version in "'.$local_path.'". (Cannot access '.$update_url.')'); |
32 | daniel-mar | 97 | } |
98 | |||
99 | if ($cont === '') { |
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100 | return array($OC_VersionString, $OC_VersionString, $OC_Channel); |
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101 | } else { |
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102 | $xml = simplexml_load_string($cont); |
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76 | daniel-mar | 103 | if ($xml === false) { |
77 | daniel-mar | 104 | throw new VNagException('Could not determinate current Nextcloud version in "'.$local_path.'". (Invalid XML downloaded from update server)'); |
76 | daniel-mar | 105 | } |
32 | daniel-mar | 106 | $new_ver = (string)$xml->version; |
107 | return array($OC_VersionString, $new_ver, $OC_Channel); |
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108 | } |
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109 | } |
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110 | |||
111 | protected function cbRun($optional_args=array()) { |
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112 | $system_dir = $this->argSystemDir->getValue(); |
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113 | if (empty($system_dir)) { |
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77 | daniel-mar | 114 | throw new VNagException("Please specify the directory of the Nextcloud installation."); |
32 | daniel-mar | 115 | } |
116 | $system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir); |
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117 | |||
118 | if (!is_dir($system_dir)) { |
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77 | daniel-mar | 119 | throw new VNagException('Directory "'.$system_dir.'" not found.'); |
32 | daniel-mar | 120 | } |
121 | |||
76 | daniel-mar | 122 | list($cur_ver, $new_ver, $channel) = $this->get_versions($system_dir); |
32 | daniel-mar | 123 | |
57 | daniel-mar | 124 | if (version_compare($cur_ver,$new_ver) >= 0) { |
32 | daniel-mar | 125 | $this->setStatus(VNag::STATUS_OK); |
126 | $this->setHeadline("Nextcloud version $cur_ver [$channel] is the latest available version for your Nextcloud installation at $system_dir", true); |
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127 | } else { |
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128 | $this->setStatus(VNag::STATUS_WARNING); |
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129 | $this->setHeadline("Nextcloud version $cur_ver [$channel] is outdated. Newer version is $new_ver [$channel] for installation at $system_dir", true); |
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130 | } |
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131 | } |
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132 | } |