ok
Direktori : /usr/local/lsws/add-ons/webcachemgr/src/Context/ |
Current File : //usr/local/lsws/add-ons/webcachemgr/src/Context/Context.php |
<?php /** ****************************************** * LiteSpeed Web Server Cache Manager * * @author LiteSpeed Technologies, Inc. (https://www.litespeedtech.com) * @copyright (c) 2018-2020 * ******************************************* */ namespace Lsc\Wp\Context; use \Lsc\Wp\LSCMException; use \Lsc\Wp\Logger; /** * Context is a singleton */ class Context { const LOCAL_PLUGIN_DIR = '/usr/src/litespeed-wp-plugin'; /** * @var int */ protected $isRoot; /** * @var ContextOption */ protected $options; /** * @var string */ protected $dataDir; /** * @var string */ protected $dataFile; /** * @var string */ protected $customDataFile; /** * @var null|string */ protected $flagContent; /** * * @var null|Context */ protected static $instance; /** * * @param ContextOption $contextOption */ protected function __construct( ContextOption $contextOption ) { $this->options = $contextOption; $this->init(); } protected function init() { $this->dataDir = realpath(__DIR__ . '/../../../..') . '/admin/lscdata'; $this->dataFile = $this->dataDir . '/lscm.data'; $this->customDataFile = $this->dataDir . '/lscm.data.cust'; $this->isRoot = $this->options->isRoot(); } /** * * @since 1.9 * * @return null */ protected function checkLocalPluginDirInCageFS() { $mpFile = '/etc/cagefs/cagefs.mp'; $mountFile = '/proc/mounts'; if ( !file_exists($mpFile) ) { return; } Logger::debug('Detected cagefs.mp file.'); $localPluginDir = self::LOCAL_PLUGIN_DIR; $pattern = "=^((?!deleted).)*{$localPluginDir}((?!deleted).)*$=m"; $result = preg_grep($pattern, file($mountFile)); $procMountSet = ! empty($result); if ( ! $procMountSet ) { Logger::debug("Data dir not set in {$mountFile}."); $pattern="=^.*{$localPluginDir}.*$=m"; $result = preg_grep($pattern, file($mpFile)); $setInMpFile = ! empty($result); if ( ! $setInMpFile ) { file_put_contents( $mpFile, "\n{$localPluginDir}", FILE_APPEND ); Logger::notice('Added data dir to cagefs.mp.'); } exec('/usr/sbin/cagefsctl --remount-all', $output, $return_var); Logger::notice('Remounted CageFS.'); } else { Logger::debug('Data dir already added to CageFS.'); } } /** * * @throws LSCMException */ protected function createDataDir() { if ( !file_exists($this->dataDir) && !mkdir($this->dataDir, 0755) ) { throw new LSCMException( "Fail to create data directory {$this->dataDir}.", LSCMException::E_PERMISSION ); } } /** * * @since 1.9 * * @throws LSCMException */ protected function createLocalPluginDir() { if ( !file_exists(Context::LOCAL_PLUGIN_DIR) && !mkdir(Context::LOCAL_PLUGIN_DIR, 0755) ) { throw new LSCMException( "Fail to create local plugin directory " . Context::LOCAL_PLUGIN_DIR . '.', LSCMException::E_PERMISSION ); } } /** * * @return ContextOption * @throws LSCMException Thrown indirectly. */ public static function getOption() { return self::me(true)->options; } /** * * @since 1.9.1 Added optional parameter $loggerObj. * * @param ContextOption $contextOption * @param object $loggerObj Object implementing all public * Logger class functions. * @throws LSCMException */ public static function initialize( ContextOption $contextOption, $loggerObj = null ) { if ( self::$instance != null ) { /** * Do not allow, must initialize first. */ throw new LSCMException( 'Context cannot be initialized twice.', LSCMException::E_PROGRAM ); } self::$instance = new self($contextOption); if ( $loggerObj != null ) { Logger::setInstance($loggerObj); } else { $loggerClass = $contextOption->getLoggerClass(); $loggerClass::Initialize($contextOption); } if ( self::$instance->isRoot == ContextOption::IS_ROOT ) { self::$instance->createDataDir(); self::$instance->createLocalPluginDir(); self::$instance->checkLocalPluginDirInCageFS(); } } /** * Checks if the current instance is lacking the expected level of * permissions. * * @return boolean */ protected function hasInsufficentPermissions() { $expectedPermissions = self::$instance->options->getExpectedPermissions(); return (self::$instance->isRoot < $expectedPermissions); } /** * * @param boolean $checkPerms * @return Context * @throws LSCMException */ protected static function me( $checkPerms = false ) { if ( self::$instance == null ) { /** * Do not allow, must initialize first. */ throw new LSCMException( 'Uninitialized context.', LSCMException::E_NON_FATAL ); } if ( $checkPerms && self::$instance->hasInsufficentPermissions() ) { throw new LSCMException( 'Access denied: Insufficient permissions.', LSCMException::E_NON_FATAL ); } return self::$instance; } /** * * @return string * @throws LSCMException */ public static function getLSCMDataDir() { return self::me()->dataDir; } /** * Deprecated 06/19/19. Shift to using getLSCMDataFiles() instead. * * @deprecated * @return string */ public static function getLSCMDataFile() { $dataFiles = self::getLSCMDataFiles(); return $dataFiles['dataFile']; } /** * * @return string[] * @throws LSCMException Thrown indirectly. */ public static function getLSCMDataFiles() { try { $dataFile = self::me(true)->dataFile; $custDataFile = self::me(true)->customDataFile; } catch ( LSCMException $e ) { $msg = $e->getMessage() . ' Could not get data file paths.'; Logger::debug($msg); throw new LSCMException($msg); } return array( 'dataFile' => $dataFile, 'custDataFile' => $custDataFile ); } /** * * @return int */ public static function isRoot() { return self::me()->isRoot; } /** * * @return boolean * @throws LSCMException Thrown indirectly. */ public static function isPrivileged() { return (self::me()->isRoot > ContextOption::IS_NOT_ROOT); } /** * * @return int * @throws LSCMException Thrown indirectly. */ public static function getScanDepth() { return self::me()->options->getScanDepth(); } /** * * @return int * @throws LSCMException Thrown indirectly. */ public static function getActionTimeout() { $timeout = self::me()->options->getBatchTimeout(); if ( $timeout > 1 ) { return time() + $timeout; } /** * No timeout. */ return 0; } /** * * @return string * @throws LSCMException Thrown indirectly. */ public static function getFlagFileContent() { $m = self::me(); if ( $m->flagContent == null ) { $m->flagContent = <<<CONTENT This file was created by LiteSpeed Web Cache Manager When this file exists, your LiteSpeed Cache plugin for WordPress will NOT be affected by Mass Enable/Disable operations performed through LiteSpeed Web Cache Manager. Please DO NOT ATTEMPT to remove this file unless you understand the above. CONTENT; } return $m->flagContent; } }