WebSVN – vnag – Blame – /trunk/plugins/nextcloud_version/NextCloudVersionCheck.class.php

Rev	Author	Line No.	Line
32	daniel-mar	1	<?php /* <ViaThinkSoftSignature>
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32	daniel-mar	23	w==
		24	</ViaThinkSoftSignature> */ ?>
		25	<?php
		26
		27	/*
		28	* VNag - Nagios Framework for PHP
		29	* Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com>
		30	* Licensed under the terms of the Apache 2.0 license
		31	*
		32	* Revision 2021-06-26
		33	*/
		34
		35	declare(ticks=1);
		36
		37	class NextCloudVersionCheck extends VNag {
		38	protected $argSystemDir = null;
		39
		40	public function __construct() {
		41	parent::__construct();
		42
		43	$this->registerExpectedStandardArguments('Vvht');
		44
		45	$this->getHelpManager()->setPluginName('check_nextcloud_version');
		46	$this->getHelpManager()->setVersion('1.0');
		47	$this->getHelpManager()->setShortDescription('This plugin checks if a local Nextcloud system has the latest version installed.');
		48	$this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.');
		49	$this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-d <directory>]');
		50	$this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com');
		51
		52	// Individual (non-standard) arguments:
		53	$this->addExpectedArgument($this->argSystemDir = new VNagArgument('d', 'directory', VNagArgument::VALUE_REQUIRED, 'nextCloudPath', 'The local directory where your Nextcloud installation is located.'));
		54	}
		55
		56	protected function get_nextcloud_version($local_path) {
		57	$local_path = realpath($local_path) === false ? $local_path : realpath($local_path);
		58
		59	if (!file_exists($local_path . '/version.php')) {
		60	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'".');
		61	}
		62
33	daniel-mar	63	// We don't include version.php because it would be a security vulnerability
		64	// code injection if somebody controls version.php
		65	$cont = file_get_contents($local_path . '/version.php');
		66	if (preg_match('@\\$(OC_Version)\\s=\\sarray\$\\s(.+)\\s,\\s(.+)\\s,\\s(.+)\\s,\\s(.+)\\s\$\\s*;@ismU', $cont, $m)) {
		67	$OC_Version = array($m[2],$m[3],$m[4],$m[5]);
		68	} else {
		69	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Version".');
32	daniel-mar	70	}
33	daniel-mar	71	if (preg_match('@\\$(OC_VersionString)\\s=\\s([\'"])(.)\\2\\s;@ismU', $cont, $m)) {
		72	$OC_VersionString = $m[3];
		73	} else {
		74	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_VersionString".');
		75	}
		76	if (preg_match('@\\$(OC_Edition)\\s=\\s([\'"])(.)\\2\\s;@ismU', $cont, $m)) {
		77	$OC_Edition = $m[3];
		78	} else {
		79	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Edition".');
		80	}
		81	if (preg_match('@\\$(OC_Channel)\\s=\\s([\'"])(.)\\2\\s;@ismU', $cont, $m)) {
		82	$OC_Channel = $m[3];
		83	} else {
		84	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Channel".');
		85	}
		86	if (preg_match('@\\$(OC_Build)\\s=\\s([\'"])(.)\\2\\s;@ismU', $cont, $m)) {
		87	$OC_Build = $m[3];
		88	} else {
		89	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "OC_Build".');
		90	}
		91	if (preg_match('@\\$(vendor)\\s=\\s([\'"])(.)\\2\\s;@ismU', $cont, $m)) {
		92	$vendor = $m[3];
		93	if ($vendor != 'nextcloud') {
		94	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". It is "'.$vendor.'".');
		95	}
		96	} else {
		97	throw new Exception('This is not a valid Nextcloud installation in "'.$local_path.'". Missing "vendor".');
		98	}
32	daniel-mar	99
		100	$baseUrl = 'https://updates.nextcloud.org/updater_server/';
		101
		102	// More information about the paramters, see https://github.com/nextcloud/updater_server/blob/master/src/Request.php
		103	$php_version = explode('.', PHP_VERSION);
		104	$update_url = $baseUrl . '?version='.
		105	implode('x', $OC_Version).'x'.
		106	'x'. // installationMtime
		107	'x'. // lastCheck
		108	$OC_Channel.'x'.
		109	$OC_Edition.'x'.
		110	urlencode($OC_Build).'x'.
		111	$php_version[0].'x'.
		112	$php_version[1].'x'.
		113	intval($php_version[2]); // Last part could be something like "28-2+0~20210604.85+debian9~1.gbp219f11"
		114
		115	$cont = file_get_contents($update_url);
		116	if ($cont === false) {
		117	throw new Exception('Could not determinate current Nextcloud version in "'.$local_path.'".');
		118	}
		119
		120	if ($cont === '') {
		121	return array($OC_VersionString, $OC_VersionString, $OC_Channel);
		122	} else {
		123	$xml = simplexml_load_string($cont);
		124	$new_ver = (string)$xml->version;
		125	return array($OC_VersionString, $new_ver, $OC_Channel);
		126	}
		127	}
		128
		129	protected function cbRun($optional_args=array()) {
		130	$system_dir = $this->argSystemDir->getValue();
		131	if (empty($system_dir)) {
		132	throw new Exception("Please specify the directory of the Nextcloud installation.");
		133	}
		134	$system_dir = realpath($system_dir) === false ? $system_dir : realpath($system_dir);
		135
		136	if (!is_dir($system_dir)) {
		137	throw new Exception('Directory "'.$system_dir.'" not found.');
		138	}
		139
		140	list($cur_ver, $new_ver, $channel) = $this->get_nextcloud_version($system_dir);
		141
		142	if ($cur_ver === $new_ver) {
		143	$this->setStatus(VNag::STATUS_OK);
		144	$this->setHeadline("Nextcloud version $cur_ver [$channel] is the latest available version for your Nextcloud installation at $system_dir", true);
		145	} else {
		146	$this->setStatus(VNag::STATUS_WARNING);
		147	$this->setHeadline("Nextcloud version $cur_ver [$channel] is outdated. Newer version is $new_ver [$channel] for installation at $system_dir", true);
		148	}
		149	}
		150	}

Subversion Repositories vnag

vnag/trunk/plugins/nextcloud_version/NextCloudVersionCheck.class.php – Rev 33