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Edit File : Context.php \| Size : 9.93 KB
<?php / **************************************** * LiteSpeed Web Server Cache Manager * * @author LiteSpeed Technologies, Inc. * @copyright 2018-2025 LiteSpeed Technologies, Inc. * ******************************************* / 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 void * * @throws LSCMException Thrown indirectly by Logger::debug() call. * @throws LSCMException Thrown indirectly by Logger::debug() call. * @throws LSCMException Thrown indirectly by Logger::notice() call. * @throws LSCMException Thrown indirectly by Logger::notice() call. * @throws LSCMException Thrown indirectly by Logger::debug() call. / 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'); Logger::notice('Remounted CageFS.'); } else { Logger::debug('Data dir already added to CageFS.'); } } /* * * @throws LSCMException Thrown when unable to create data dir. / 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 Thrown when unable to create local plugin dir. / 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 by self::me() call. / public static function getOption() { return self::me(true)->options; } /* * * @since 1.9.1 Added optional parameter $loggerObj. * * @param ContextOption $contextOption * @param object $loggerObj Object implementing all public * Logger class functions. * * @throws LSCMException Thrown when Context is already initialized. * @throws LSCMException Thrown indirectly by Logger::setInstance() call. * @throws LSCMException Thrown indirectly by * self::$instance->createDataDir() call. * @throws LSCMException Thrown indirectly by * self::$instance->createLocalPluginDir() call. * @throws LSCMException Thrown indirectly by * self::$instance->checkLocalPluginDirInCageFS() call. / 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 bool / protected function hasInsufficentPermissions() { $expectedPermissions = self::$instance->options->getExpectedPermissions(); return (self::$instance->isRoot < $expectedPermissions); } /* * * @param bool $checkPerms * * @return Context * * @throws LSCMException Thrown when Context is not initialized. * @throws LSCMException Thrown when required permissions not met. / 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 Thrown indirectly by self::me() call. / public static function getLSCMDataDir() { return self::me()->dataDir; } /* * Deprecated 06/19/19. Shift to using getLSCMDataFiles() instead. * * @deprecated * * @return string * * @throws LSCMException Thrown indirectly by self::getLSCMDataFiles() * call. / public static function getLSCMDataFile() { $dataFiles = self::getLSCMDataFiles(); return $dataFiles['dataFile']; } /* * * @return string[] * * @throws LSCMException Re-thrown when self::me() calls throw an * exception. * @throws LSCMException Thrown indirectly by Logger::debug() call. / 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 * * @throws LSCMException Thrown indirectly by self::me() call. / public static function isRoot() { return self::me()->isRoot; } /* * * @return bool * * @throws LSCMException Thrown indirectly by self::me() call. / public static function isPrivileged() { return (self::me()->isRoot > ContextOption::IS_NOT_ROOT); } /* * * @return int * * @throws LSCMException Thrown indirectly by self::me() call. / public static function getScanDepth() { return self::me()->options->getScanDepth(); } /* * * @return int * * @throws LSCMException Thrown indirectly by self::me() call. / 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 by self::me() call. */ 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; } } Back

Edit File : Context.php | Size : 9.93 KB

<?php

/** ******************************************
 * LiteSpeed Web Server Cache Manager
 *
 * @author    LiteSpeed Technologies, Inc.
 * @copyright 2018-2025 LiteSpeed Technologies, Inc.
 * ******************************************* */

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 void
     *
     * @throws LSCMException  Thrown indirectly by Logger::debug() call.
     * @throws LSCMException  Thrown indirectly by Logger::debug() call.
     * @throws LSCMException  Thrown indirectly by Logger::notice() call.
     * @throws LSCMException  Thrown indirectly by Logger::notice() call.
     * @throws LSCMException  Thrown indirectly by Logger::debug() call.
     */
    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');

Logger::notice('Remounted CageFS.');
        }
        else {
            Logger::debug('Data dir already added to CageFS.');
        }
    }

/**
     *
     * @throws LSCMException  Thrown when unable to create data dir.
     */
    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  Thrown when unable to create local plugin dir.
     */
    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 by self::me() call.
     */
    public static function getOption()
    {
        return self::me(true)->options;
    }

/**
     *
     * @since 1.9.1  Added optional parameter $loggerObj.
     *
     * @param ContextOption $contextOption
     * @param object        $loggerObj      Object implementing all public
     *     Logger class functions.
     *
     * @throws LSCMException  Thrown when Context is already initialized.
     * @throws LSCMException  Thrown indirectly by Logger::setInstance() call.
     * @throws LSCMException  Thrown indirectly by
     *     self::$instance->createDataDir() call.
     * @throws LSCMException  Thrown indirectly by
     *     self::$instance->createLocalPluginDir() call.
     * @throws LSCMException  Thrown indirectly by
     *     self::$instance->checkLocalPluginDirInCageFS() call.
     */
    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 bool
     */
    protected function hasInsufficentPermissions()
    {
        $expectedPermissions =
            self::$instance->options->getExpectedPermissions();

return (self::$instance->isRoot < $expectedPermissions);
    }

/**
     *
     * @param bool $checkPerms
     *
     * @return Context
     *
     * @throws LSCMException  Thrown when Context is not initialized.
     * @throws LSCMException  Thrown when required permissions not met.
     */
    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  Thrown indirectly by self::me() call.
     */
    public static function getLSCMDataDir()
    {
        return self::me()->dataDir;
    }

/**
     * Deprecated 06/19/19. Shift to using getLSCMDataFiles() instead.
     *
     * @deprecated
     *
     * @return string
     *
     * @throws LSCMException  Thrown indirectly by self::getLSCMDataFiles()
     *     call.
     */
    public static function getLSCMDataFile()
    {
        $dataFiles = self::getLSCMDataFiles();

return $dataFiles['dataFile'];
    }

/**
     *
     * @return string[]
     *
     * @throws LSCMException  Re-thrown when self::me() calls throw an
     *     exception.
     * @throws LSCMException  Thrown indirectly by Logger::debug() call.
     */
    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
     *
     * @throws LSCMException  Thrown indirectly by self::me() call.
     */
    public static function isRoot()
    {
        return self::me()->isRoot;
    }

/**
     *
     * @return bool
     *
     * @throws LSCMException  Thrown indirectly by self::me() call.
     */
    public static function isPrivileged()
    {
        return (self::me()->isRoot > ContextOption::IS_NOT_ROOT);
    }

/**
     *
     * @return int
     *
     * @throws LSCMException  Thrown indirectly by self::me() call.
     */
    public static function getScanDepth()
    {
        return self::me()->options->getScanDepth();
    }

/**
     *
     * @return int
     *
     * @throws LSCMException Thrown indirectly by self::me() call.
     */
    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 by self::me() call.
     */
    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;
    }

}

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