PATH:
var
/
www
/
clients
/
client1
/
web1
/
web
/
wp-content
/
plugins
/
wordfence
/
lib
<?php class wfCache { private static $cacheStats = array(); private static $cacheClearedThisRequest = false; private static $lastRecursiveDeleteError = false; public static function removeCaching() { $cacheType = wfConfig::get('cacheType', false); if ($cacheType === 'disabled') { return; } if ($cacheType == 'falcon') { self::addHtaccessCode('remove'); self::updateBlockedIPs('remove'); } wfConfig::set('cacheType', 'disabled'); $cacheDir = WP_CONTENT_DIR . '/wfcache/'; if (file_exists($cacheDir . '.htaccess')) { unlink($cacheDir . '.htaccess'); } self::clearPageCacheSafe(); } public static function clearPageCacheSafe(){ if(self::$cacheClearedThisRequest){ return; } self::$cacheClearedThisRequest = true; self::clearPageCache(); } public static function clearPageCache(){ //If a clear is in progress this does nothing. self::$cacheStats = array( 'dirsDeleted' => 0, 'filesDeleted' => 0, 'totalData' => 0, 'totalErrors' => 0, 'error' => '', ); $cacheDir = WP_CONTENT_DIR . '/wfcache/'; if (!file_exists($cacheDir)) { return self::$cacheStats; } $cacheClearLock = WP_CONTENT_DIR . '/wfcache/clear.lock'; if(! is_file($cacheClearLock)){ if(! touch($cacheClearLock)){ self::$cacheStats['error'] = "Could not create a lock file $cacheClearLock to clear the cache."; self::$cacheStats['totalErrors']++; return self::$cacheStats; } } $fp = fopen($cacheClearLock, 'w'); if(! $fp){ self::$cacheStats['error'] = "Could not open the lock file $cacheClearLock to clear the cache. Please make sure the directory is writable by your web server."; self::$cacheStats['totalErrors']++; return self::$cacheStats; } if(flock($fp, LOCK_EX | LOCK_NB)){ //non blocking exclusive flock attempt. If we get a lock then it continues and returns true. If we don't lock, then return false, don't block and don't clear the cache. // This logic means that if a cache clear is currently in progress we don't try to clear the cache. // This prevents web server children from being queued up waiting to be able to also clear the cache. self::$lastRecursiveDeleteError = false; self::recursiveDelete(WP_CONTENT_DIR . '/wfcache/'); if(self::$lastRecursiveDeleteError){ self::$cacheStats['error'] = self::$lastRecursiveDeleteError; self::$cacheStats['totalErrors']++; } flock($fp, LOCK_UN); @unlink($cacheClearLock); @rmdir($cacheDir); } fclose($fp); return self::$cacheStats; } private static function recursiveDelete($dir) { $files = array_diff(scandir($dir), array('.','..')); foreach ($files as $file) { if(is_dir($dir . '/' . $file)){ if(! self::recursiveDelete($dir . '/' . $file)){ return false; } } else { if($file == 'clear.lock'){ continue; } //Don't delete our lock file $size = filesize($dir . '/' . $file); if($size){ self::$cacheStats['totalData'] += round($size / 1024); } if(strpos($dir, 'wfcache/') === false){ self::$lastRecursiveDeleteError = "Not deleting file in directory $dir because it appears to be in the wrong path."; self::$cacheStats['totalErrors']++; return false; //Safety check that we're in a subdir of the cache } if(@unlink($dir . '/' . $file)){ self::$cacheStats['filesDeleted']++; } else { self::$lastRecursiveDeleteError = "Could not delete file " . $dir . "/" . $file . " : " . wfUtils::getLastError(); self::$cacheStats['totalErrors']++; return false; } } } if($dir != WP_CONTENT_DIR . '/wfcache/'){ if(strpos($dir, 'wfcache/') === false){ self::$lastRecursiveDeleteError = "Not deleting directory $dir because it appears to be in the wrong path."; self::$cacheStats['totalErrors']++; return false; //Safety check that we're in a subdir of the cache } if(@rmdir($dir)){ self::$cacheStats['dirsDeleted']++; } else { self::$lastRecursiveDeleteError = "Could not delete directory $dir : " . wfUtils::getLastError(); self::$cacheStats['totalErrors']++; return false; } return true; } else { return true; } } public static function addHtaccessCode($action){ if($action != 'remove'){ die("Error: addHtaccessCode must be called with 'remove' as param"); } $htaccessPath = self::getHtaccessPath(); if(! $htaccessPath){ return "Wordfence could not find your .htaccess file."; } $fh = @fopen($htaccessPath, 'r+'); if(! $fh){ $err = error_get_last(); return $err['message']; } flock($fh, LOCK_EX); fseek($fh, 0, SEEK_SET); //start of file clearstatcache(); $contents = fread($fh, filesize($htaccessPath)); if(! $contents){ fclose($fh); return "Could not read from $htaccessPath"; } $contents = preg_replace('/#WFCACHECODE.*WFCACHECODE[\r\s\n\t]*/s', '', $contents); ftruncate($fh, 0); fflush($fh); fseek($fh, 0, SEEK_SET); fwrite($fh, $contents); flock($fh, LOCK_UN); fclose($fh); return false; } /** * @param $action * @return bool|string|void */ public static function updateBlockedIPs($action){ //'add' or 'remove' $htaccessPath = self::getHtaccessPath(); if(! $htaccessPath){ return "Wordfence could not find your .htaccess file."; } if($action == 'remove'){ $fh = @fopen($htaccessPath, 'r+'); if(! $fh){ $err = error_get_last(); return $err['message']; } flock($fh, LOCK_EX); fseek($fh, 0, SEEK_SET); //start of file clearstatcache(); $contents = @fread($fh, filesize($htaccessPath)); if(! $contents){ fclose($fh); return "Could not read from $htaccessPath"; } $contents = preg_replace('/#WFIPBLOCKS.*WFIPBLOCKS[\r\s\n\t]*/s', '', $contents); ftruncate($fh, 0); fflush($fh); fseek($fh, 0, SEEK_SET); @fwrite($fh, $contents); flock($fh, LOCK_UN); fclose($fh); return false; } return false; } public static function getHtaccessPath(){ $homePath = wfUtils::getHomePath(); $htaccessFile = $homePath.'.htaccess'; return $htaccessFile; } public static function doNotCache(){ if(! defined('WFDONOTCACHE')){ define('WFDONOTCACHE', true); } } }
[-] menu_support.php
[edit]
[-] wfBinaryList.php
[edit]
[-] sysinfo.php
[edit]
[-] menu_scanner.php
[edit]
[-] wfViewResult.php
[edit]
[-] wfScanMonitor.php
[edit]
[-] wfScanEngine.php
[edit]
[-] WFLSPHP52Compatability.php
[edit]
[-] .htaccess
[edit]
[-] wfSupportController.php
[edit]
[-] wfConfig.php
[edit]
[-] menu_firewall_waf.php
[edit]
[-] menu_dashboard_options.php
[edit]
[-] wfScan.php
[edit]
[-] wfUtils.php
[edit]
[-] wfDashboard.php
[edit]
[-] wordfenceScanner.php
[edit]
[+]
Diff
[-] menu_tools_whois.php
[edit]
[-] wfIpLocator.php
[edit]
[-] wfUnlockMsg.php
[edit]
[-] menu_wordfence_central.php
[edit]
[-] wfDirectoryIterator.php
[edit]
[-] wfHelperString.php
[edit]
[-] wfDB.php
[edit]
[-] live_activity.php
[edit]
[-] wfCrawl.php
[edit]
[-] email_genericAlert.php
[edit]
[-] IPTrafList.php
[edit]
[-] wfBrowscap.php
[edit]
[-] geoip.mmdb
[edit]
[-] wfAlerts.php
[edit]
[-] wfWebsite.php
[edit]
[-] noc1.key
[edit]
[-] wfCurlInterceptor.php
[edit]
[-] wordfenceHash.php
[edit]
[-] wfDateLocalization.php
[edit]
[-] menu_tools_importExport.php
[edit]
[-] wfScanEntrypoint.php
[edit]
[-] wfView.php
[edit]
[-] menu_tools.php
[edit]
[-] wfJWT.php
[edit]
[-] wfCache.php
[edit]
[-] menu_tools_livetraffic.php
[edit]
[-] wfCrypt.php
[edit]
[-] wfScanFile.php
[edit]
[-] wfAdminNoticeQueue.php
[edit]
[-] wfInaccessibleDirectoryException.php
[edit]
[-] wfVersionCheckController.php
[edit]
[-] wfRESTAPI.php
[edit]
[-] wfDeactivationOption.php
[edit]
[-] menu_tools_diagnostic.php
[edit]
[-] flags.php
[edit]
[-] email_newIssues.php
[edit]
[-] wfBrowscapCache.php
[edit]
[-] wfModuleController.php
[edit]
[-] wfLicense.php
[edit]
[-] wfIpLocation.php
[edit]
[-] wfCredentialsController.php
[edit]
[+]
rest-api
[-] wordfenceClass.php
[edit]
[-] wf503.php
[edit]
[+]
audit-log
[-] wfNotification.php
[edit]
[-] wfLog.php
[edit]
[-] wfActivityReport.php
[edit]
[-] wfScanFileProperties.php
[edit]
[-] wfHelperBin.php
[edit]
[-] wfAPI.php
[edit]
[-] viewFullActivityLog.php
[edit]
[-] wfLockedOut.php
[edit]
[-] wfScanPath.php
[edit]
[-] sodium_compat_fast.php
[edit]
[-] wfIssues.php
[edit]
[-] wordfenceConstants.php
[edit]
[-] menu_firewall_waf_options.php
[edit]
[-] wfI18n.php
[edit]
[-] menu_scanner_options.php
[edit]
[-] IPTraf.php
[edit]
[-] wfAuditLog.php
[edit]
[-] wfCommonPasswords.php
[edit]
[-] wfOnboardingController.php
[edit]
[-] wfInvalidPathException.php
[edit]
[-] email_unsubscribeRequest.php
[edit]
[-] wordfenceURLHoover.php
[edit]
[-] diffResult.php
[edit]
[-] menu_firewall_blocking_options.php
[edit]
[-] menu_scanner_credentials.php
[edit]
[-] wfFileUtils.php
[edit]
[-] wfPersistenceController.php
[edit]
[-] wfVersionSupport.php
[edit]
[-] Diff.php
[edit]
[+]
..
[-] wfMD5BloomFilter.php
[edit]
[-] wfUpdateCheck.php
[edit]
[-] wfDiagnostic.php
[edit]
[-] menu_install.php
[edit]
[-] wfCentralAPI.php
[edit]
[-] menu_options.php
[edit]
[-] wfSchema.php
[edit]
[-] menu_dashboard.php
[edit]
[-] compat.php
[edit]
[-] menu_firewall_blocking.php
[edit]
[-] wfIPWhitelist.php
[edit]
[-] wfBulkCountries.php
[edit]
[-] menu_tools_auditlog.php
[edit]
[-] email_unlockRequest.php
[edit]
[-] menu_firewall.php
[edit]
[-] wfScanFileListItem.php
[edit]
[-] wfImportExportController.php
[edit]
[-] menu_tools_twoFactor.php
[edit]
[+]
dashboard
[-] wfScanFileLink.php
[edit]
[-] wfStyle.php
[edit]