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| 40 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature> |
| 57 | daniel-mar | 2 | YU84r4UF1RQYMGABCCGu0MB2mvfy3E9RC4oCgHx+trADi3ukDqRO/pQV+NqbQUgWm |
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| 23 | g== |
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| 40 | 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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| 61 | daniel-mar | 32 | * Revision 2023-05-02 |
| 40 | daniel-mar | 33 | */ |
| 34 | |||
| 35 | declare(ticks=1); |
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| 36 | |||
| 37 | class MinecraftJavaVersionCheck 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_minecraft_java_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 Minecraft for Java server 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, 'serverPath', 'The local directory where your Minecraft for Java server.jar is located.')); |
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| 54 | } |
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| 55 | |||
| 56 | protected function get_latest_minecraft_version() { |
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| 57 | $headers = array( |
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| 58 | // These headers are important! Otherwise the request will be blocked by AkamaiGhost |
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| 59 | "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36", |
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| 60 | "Accept-Language: de-DE,de;q=0.9,en-DE;q=0.8,en;q=0.7,en-US;q=0.6", |
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| 61 | "Accept-Encoding: none" |
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| 62 | ); |
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| 61 | daniel-mar | 63 | |
| 64 | // TODO: Version is currently not shown anymore: https://bugs.mojang.com/browse/WEB-6497 |
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| 65 | /* |
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| 40 | daniel-mar | 66 | $ch = curl_init(); |
| 67 | curl_setopt($ch, CURLOPT_URL,"https://www.minecraft.net/en-us/download/server"); // TODO: make locale configurable? |
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| 68 | curl_setopt($ch, CURLOPT_POST, 0); |
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| 69 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
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| 70 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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| 71 | $cont = curl_exec($ch); |
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| 72 | curl_close($ch); |
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| 47 | daniel-mar | 73 | if (!$cont) throw new Exception("Cannot detect latest available Minecraft version (HTTPS request failed)"); |
| 40 | daniel-mar | 74 | preg_match_all('@minecraft_server\\.(.+)\\.jar@U', $cont, $m); |
| 47 | daniel-mar | 75 | if (!isset($m[1][0])) throw new Exception("Cannot detect latest available Minecraft version (regex pattern mismatch)"); |
| 61 | daniel-mar | 76 | return $m[1][0]; |
| 77 | */ |
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| 47 | daniel-mar | 78 | |
| 61 | daniel-mar | 79 | for ($page=1; $page<=2; $page++) { |
| 80 | $url = 'https://feedback.minecraft.net/hc/en-us/sections/360001186971-Release-Changelogs'; |
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| 81 | if ($page > 1) $url .= '?page='.$page; |
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| 82 | $url = 'https://webcache.googleusercontent.com/search?q=cache:'.urlencode($url); // Bypass CloudFlare... |
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| 83 | |||
| 84 | $ch = curl_init(); |
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| 85 | curl_setopt($ch, CURLOPT_URL, $url); |
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| 86 | curl_setopt($ch, CURLOPT_POST, 0); |
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| 87 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
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| 88 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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| 89 | $cont = curl_exec($ch); |
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| 90 | curl_close($ch); |
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| 91 | if (!$cont) throw new Exception("Cannot detect latest available Minecraft version (HTTPS request failed)"); |
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| 92 | preg_match_all('@>Minecraft: Java Edition \\- (.+)</@U', $cont, $m); |
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| 93 | if (isset($m[1][0])) return $m[1][0]; |
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| 94 | } |
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| 95 | throw new Exception("Cannot detect latest available Minecraft version (regex pattern mismatch)"); |
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| 40 | daniel-mar | 96 | } |
| 97 | |||
| 98 | protected function get_installed_minecraft_version($local_path) { |
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| 99 | if (substr($local_path,-4) == '.jar') { |
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| 100 | $files = glob($local_path); |
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| 101 | } else { |
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| 102 | $files = glob($local_path.'/server.jar'); |
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| 103 | } |
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| 104 | |||
| 105 | if (count($files) == 0) throw new Exception("No server.jar found at $local_path"); |
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| 106 | if (count($files) > 1) throw new Exception("More than one server.jar found at $local_path"); |
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| 107 | $server_jar = $files[0]; |
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| 108 | |||
| 109 | $cmd = "unzip -p ".escapeshellarg($server_jar)." version.json"; |
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| 110 | |||
| 111 | $out = array(); |
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| 112 | $ec = -1; |
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| 113 | exec($cmd, $out, $ec); |
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| 114 | if ($ec != 0) throw new Exception("Cannot unzip version.json"); |
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| 115 | |||
| 116 | $json = implode("\n",$out); |
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| 117 | |||
| 118 | return (string)json_decode($json,true)['name']; |
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| 119 | } |
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| 120 | |||
| 121 | protected function cbRun($optional_args=array()) { |
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| 122 | $system_dir = $this->argSystemDir->getValue(); // note: can contain wildcards |
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| 123 | $cur_ver = $this->get_installed_minecraft_version($system_dir); |
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| 124 | |||
| 125 | $new_ver = $this->get_latest_minecraft_version(); |
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| 126 | |||
| 57 | daniel-mar | 127 | if (version_compare($cur_ver,$new_ver) >= 0) { |
| 40 | daniel-mar | 128 | $this->setStatus(VNag::STATUS_OK); |
| 129 | $this->setHeadline("Minecraft version $cur_ver is the latest available version for your Minecraft for Java server installation at $system_dir", true); |
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| 130 | } else { |
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| 131 | $this->setStatus(VNag::STATUS_WARNING); |
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| 132 | $this->setHeadline("Minecraft version $cur_ver is outdated. Newer version is $new_ver for installation at $system_dir", true); |
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| 133 | } |
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| 134 | } |
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| 135 | } |