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<?php /* php_value auto_prepend_file ~/wp-content/plugins/wordfence/waf/bootstrap.php */ if (!defined('WFWAF_RUN_COMPLETE')) { if (!defined('WFWAF_AUTO_PREPEND')) { define('WFWAF_AUTO_PREPEND', true); } if (!defined('WF_IS_WP_ENGINE')) { define('WF_IS_WP_ENGINE', isset($_SERVER['IS_WPE'])); } if (!defined('WF_IS_FLYWHEEL')) { define('WF_IS_FLYWHEEL', isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'], 'Flywheel/') === 0); } if (!defined('WF_IS_PRESSABLE')) { define('WF_IS_PRESSABLE', (defined('IS_ATOMIC') && IS_ATOMIC) || (defined('IS_PRESSABLE') && IS_PRESSABLE)); } require(dirname(__FILE__) . '/../lib/wfVersionSupport.php'); /** * @var string $wfPHPDeprecatingVersion * @var string $wfPHPMinimumVersion */ if (!defined('WF_PHP_UNSUPPORTED')) { define('WF_PHP_UNSUPPORTED', version_compare(PHP_VERSION, $wfPHPMinimumVersion, '<')); } if (WF_PHP_UNSUPPORTED) { return; } require_once(dirname(__FILE__) . '/wfWAFUserIPRange.php'); require_once(dirname(__FILE__) . '/wfWAFIPBlocksController.php'); require_once(dirname(__FILE__) . '/../vendor/wordfence/wf-waf/src/init.php'); class wfWAFWordPressRequest extends wfWAFRequest { /** * @param wfWAFRequest|null $request * @return wfWAFRequest */ public static function createFromGlobals($request = null) { if (version_compare(phpversion(), '5.3.0') >= 0) { $class = get_called_class(); $request = new $class(); } else { $request = new self(); } return parent::createFromGlobals($request); } public function getIP() { static $theIP = null; if (isset($theIP)) { return $theIP; } $ips = array(); $howGet = wfWAF::getInstance()->getStorageEngine()->getConfig('howGetIPs', null, 'synced'); if ($howGet) { if (is_string($howGet) && is_array($_SERVER) && array_key_exists($howGet, $_SERVER)) { $ips[] = array($_SERVER[$howGet], $howGet); } if ($howGet != 'REMOTE_ADDR') { $ips[] = array((is_array($_SERVER) && array_key_exists('REMOTE_ADDR', $_SERVER)) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1', 'REMOTE_ADDR'); } } else { $recommendedField = wfWAF::getInstance()->getStorageEngine()->getConfig('detectProxyRecommendation', null, 'synced'); if (!empty($recommendedField) && $recommendedField != 'UNKNOWN' && $recommendedField != 'DEFERRED') { if (isset($_SERVER[$recommendedField])) { $ips[] = array($_SERVER[$recommendedField], $recommendedField); } } $ips[] = array((is_array($_SERVER) && array_key_exists('REMOTE_ADDR', $_SERVER)) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1', 'REMOTE_ADDR'); if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ips[] = array($_SERVER['HTTP_X_FORWARDED_FOR'], 'HTTP_X_FORWARDED_FOR'); } if (isset($_SERVER['HTTP_X_REAL_IP'])) { $ips[] = array($_SERVER['HTTP_X_REAL_IP'], 'HTTP_X_REAL_IP'); } } $cleanedIP = $this->_getCleanIPAndServerVar($ips); if (is_array($cleanedIP)) { list($ip, $variable) = $cleanedIP; $theIP = $ip; return $ip; } $theIP = $cleanedIP; return $cleanedIP; } /** * Expects an array of items. The items are either IPs or IPs separated by comma, space or tab. Or an array of IP's. * We then examine all IP's looking for a public IP and storing private IP's in an array. If we find no public IPs we return the first private addr we found. * * @param array $arr * @return bool|mixed */ private function _getCleanIPAndServerVar($arr) { $privates = array(); //Store private addrs until end as last resort. foreach ($arr as $entry) { list($item, $var) = $entry; if (is_array($item)) { foreach ($item as $j) { // try verifying the IP is valid before stripping the port off if (!$this->_isValidIP($j)) { $j = preg_replace('/:\d+$/', '', $j); //Strip off port } if ($this->_isValidIP($j)) { if ($this->_isIPv6MappedIPv4($j)) { $j = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($j)); } if ($this->_isPrivateIP($j)) { $privates[] = array($j, $var); } else { return array($j, $var); } } } continue; //This was an array so we can skip to the next item } $skipToNext = false; $trustedProxyConfig = wfWAF::getInstance()->getStorageEngine()->getConfig('howGetIPs_trusted_proxies_unified', null, 'synced'); $trustedProxies = $trustedProxyConfig === null ? array() : explode("\n", $trustedProxyConfig); foreach (array(',', ' ', "\t") as $char) { if (strpos($item, $char) !== false) { $sp = explode($char, $item); $sp = array_reverse($sp); foreach ($sp as $index => $j) { $j = trim($j); if (!$this->_isValidIP($j)) { $j = preg_replace('/:\d+$/', '', $j); //Strip off port } if ($this->_isValidIP($j)) { if ($this->_isIPv6MappedIPv4($j)) { $j = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($j)); } foreach ($trustedProxies as $proxy) { if (!empty($proxy)) { if (wfWAFUtils::subnetContainsIP($proxy, $j) && $index < count($sp) - 1) { continue 2; } } } if ($this->_isPrivateIP($j)) { $privates[] = array($j, $var); } else { return array($j, $var); } } } $skipToNext = true; break; } } if ($skipToNext){ continue; } //Skip to next item because this one had a comma, space or tab so was delimited and we didn't find anything. if (!$this->_isValidIP($item)) { $item = preg_replace('/:\d+$/', '', $item); //Strip off port } if ($this->_isValidIP($item)) { if ($this->_isIPv6MappedIPv4($item)) { $item = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($item)); } if ($this->_isPrivateIP($item)) { $privates[] = array($item, $var); } else { return array($item, $var); } } } if (sizeof($privates) > 0) { return $privates[0]; //Return the first private we found so that we respect the order the IP's were passed to this function. } return false; } /** * @param string $ip * @return bool */ private function _isValidIP($ip) { return filter_var($ip, FILTER_VALIDATE_IP) !== false; } /** * @param string $ip * @return bool */ private function _isIPv6MappedIPv4($ip) { return preg_match('/^(?:\:(?:\:0{1,4}){0,4}\:|(?:0{1,4}\:){5})ffff\:\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/i', $ip) > 0; } /** * @param string $addr Should be in dot or colon notation (127.0.0.1 or ::1) * @return bool */ private function _isPrivateIP($ip) { // Run this through the preset list for IPv4 addresses. if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false) { $wordfenceLib = realpath(dirname(__FILE__) . '/../lib'); include($wordfenceLib . '/wfIPWhitelist.php'); // defines $wfIPWhitelist $private = $wfIPWhitelist['private']; foreach ($private as $a) { if (wfWAFUtils::subnetContainsIP($a, $ip)) { return true; } } } return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6) !== false && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) === false; } } class wfWAFWordPressObserver extends wfWAFBaseObserver { private $waf; public function __construct($waf){ $this->waf=$waf; } public function beforeRunRules() { // Whitelisted URLs (in WAF config) $whitelistedURLs = wfWAF::getInstance()->getStorageEngine()->getConfig('whitelistedURLs', null, 'livewaf'); if ($whitelistedURLs) { $whitelistPattern = ""; foreach ($whitelistedURLs as $whitelistedURL) { $whitelistPattern .= preg_replace('/\\\\\*/', '.*?', preg_quote($whitelistedURL, '/')) . '|'; } $whitelistPattern = '/^(?:' . wfWAFUtils::substr($whitelistPattern, 0, -1) . ')$/i'; wfWAFRule::create(wfWAF::getInstance(), 0x8000000, 'rule', 'whitelist', 0, 'User Supplied Allowlisted URL', 'allow', new wfWAFRuleComparisonGroup( new wfWAFRuleComparison(wfWAF::getInstance(), 'match', $whitelistPattern, array( 'request.uri', )) ) )->evaluate(); } // Whitelisted IPs (Wordfence config) $whitelistedIPs = wfWAF::getInstance()->getStorageEngine()->getConfig('whitelistedIPs', null, 'synced'); if ($whitelistedIPs) { if (!is_array($whitelistedIPs)) { $whitelistedIPs = explode(',', $whitelistedIPs); } foreach ($whitelistedIPs as $whitelistedIP) { $ipRange = new wfWAFUserIPRange($whitelistedIP); if ($ipRange->isIPInRange(wfWAF::getInstance()->getRequest()->getIP())) { throw new wfWAFAllowException('Wordfence allowlisted IP.'); } } } // Check plugin blocking if ($result = wfWAF::getInstance()->willPerformFinalAction(wfWAF::getInstance()->getRequest())) { if ($result === true) { $result = 'Not available'; } // Should not happen but can if the reason in the blocks table is empty wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('finalAction' => $result))); } } public function afterRunRules() { //Blacklist if (!wfWAF::getInstance()->getStorageEngine()->getConfig('disableWAFBlacklistBlocking')) { $blockedPrefixes = wfWAF::getInstance()->getStorageEngine()->getConfig('blockedPrefixes', null, 'transient'); if ($blockedPrefixes && wfWAF::getInstance()->getStorageEngine()->getConfig('isPaid', null, 'synced')) { $blockedPrefixes = base64_decode($blockedPrefixes); if ($this->_prefixListContainsIP($blockedPrefixes, wfWAF::getInstance()->getRequest()->getIP()) !== false) { $allowedCacheJSON = wfWAF::getInstance()->getStorageEngine()->getConfig('blacklistAllowedCache', '', 'transient'); $allowedCache = @json_decode($allowedCacheJSON, true); if (!is_array($allowedCache)) { $allowedCache = array(); } $cacheTest = base64_encode(wfWAFUtils::inet_pton(wfWAF::getInstance()->getRequest()->getIP())); if (!in_array($cacheTest, $allowedCache)) { $guessSiteURL = sprintf('%s://%s/', wfWAF::getInstance()->getRequest()->getProtocol(), wfWAF::getInstance()->getRequest()->getHost()); try { $request = new wfWAFHTTP(); $response = wfWAFHTTP::get(WFWAF_API_URL_SEC . "?" . http_build_query(array( 'action' => 'is_ip_blacklisted', 'ip' => wfWAF::getInstance()->getRequest()->getIP(), 'k' => wfWAF::getInstance()->getStorageEngine()->getConfig('apiKey', null, 'synced'), 's' => wfWAF::getInstance()->getStorageEngine()->getConfig('siteURL', null, 'synced') ? wfWAF::getInstance()->getStorageEngine()->getConfig('siteURL', null, 'synced') : $guessSiteURL, 'h' => wfWAF::getInstance()->getStorageEngine()->getConfig('homeURL', null, 'synced') ? wfWAF::getInstance()->getStorageEngine()->getConfig('homeURL', null, 'synced') : $guessSiteURL, 't' => microtime(true), 'lang' => wfWAF::getInstance()->getStorageEngine()->getConfig('WPLANG', null, 'synced'), ), '', '&'), $request); if ($response instanceof wfWAFHTTPResponse && $response->getBody()) { $jsonData = wfWAFUtils::json_decode($response->getBody(), true); if (is_array($jsonData) && array_key_exists('data', $jsonData)) { if (preg_match('/^block:(\d+)$/i', $jsonData['data'], $matches)) { wfWAF::getInstance()->getStorageEngine()->blockIP((int)$matches[1] + time(), wfWAF::getInstance()->getRequest()->getIP(), wfWAFStorageInterface::IP_BLOCKS_BLACKLIST); $e = new wfWAFBlockException(); $e->setFailedRules(array('blocked')); $e->setRequest(wfWAF::getInstance()->getRequest()); throw $e; } else { //Allowed, cache until the next prefix list refresh $allowedCache[] = $cacheTest; wfWAF::getInstance()->getStorageEngine()->setConfig('blacklistAllowedCache', json_encode($allowedCache), 'transient'); } } } } catch (wfWAFHTTPTransportException $e) { error_log($e->getMessage()); } } } } } $watchedIPs = wfWAF::getInstance()->getStorageEngine()->getConfig('watchedIPs', null, 'transient'); if ($watchedIPs) { if (!is_array($watchedIPs)) { $watchedIPs = explode(',', $watchedIPs); } foreach ($watchedIPs as $watchedIP) { $ipRange = new wfWAFUserIPRange($watchedIP); if ($ipRange->isIPInRange(wfWAF::getInstance()->getRequest()->getIP())) { $this->waf->recordLogEvent(new wfWAFLogEvent()); } } } if ($reason = wfWAF::getInstance()->getRequest()->getMetadata('finalAction')) { $e = new wfWAFBlockException($reason['action']); $e->setRequest(wfWAF::getInstance()->getRequest()); throw $e; } } private function _prefixListContainsIP($prefixList, $ip) { $size = ord(wfWAFUtils::substr($prefixList, 0, 1)); $sha256 = hash('sha256', wfWAFUtils::inet_pton($ip), true); $p = wfWAFUtils::substr($sha256, 0, $size); $count = ceil((wfWAFUtils::strlen($prefixList) - 1) / $size); $low = 0; $high = $count - 1; while ($low <= $high) { $mid = (int) (($high + $low) / 2); $val = wfWAFUtils::substr($prefixList, 1 + $mid * $size, $size); $cmp = strcmp($val, $p); if ($cmp < 0) { $low = $mid + 1; } else if ($cmp > 0) { $high = $mid - 1; } else { return $mid; } } return false; } } /** * */ class wfWAFWordPress extends wfWAF { /** @var wfWAFRunException */ private $learningModeAttackException; /** * @param wfWAFBlockException $e * @param int $httpCode */ public function blockAction($e, $httpCode = 403, $redirect = false, $template = null) { $failedRules = $e->getFailedRules(); if (!is_array($failedRules)) { $failedRules = array(); } if ($this->isInLearningMode() && !$e->getRequest()->getMetadata('finalAction') && !in_array('blocked', $failedRules)) { register_shutdown_function(array( $this, 'whitelistFailedRulesIfNot404', )); $this->getStorageEngine()->logAttack($e->getFailedRules(), $e->getParamKey(), $e->getParamValue(), $e->getRequest()); $this->setLearningModeAttackException($e); } else { if (empty($failedRules)) { $finalAction = $e->getRequest()->getMetadata('finalAction'); if (is_array($finalAction)) { $isLockedOut = isset($finalAction['lockout']) && $finalAction['lockout']; $finalAction = $finalAction['action']; if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_REDIR) { $redirect = wfWAFIPBlocksController::currentController()->countryRedirURL(); } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_BYPASS_REDIR) { $redirect = wfWAFIPBlocksController::currentController()->countryBypassRedirURL(); } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_UAREFIPRANGE) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => 'Advanced blocking in effect.', '503Time' => 3600))); $httpCode = 503; } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => 'Access from your area has been temporarily limited for security reasons.', '503Time' => 3600))); $httpCode = 503; } else if (is_string($finalAction) && strlen($finalAction) > 0) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => $finalAction, '503Time' => 3600))); $httpCode = 503; if ($isLockedOut) { parent::blockAction($e, $httpCode, $redirect, '503-lockout'); //exits } } } } else if (array_search('blocked', $failedRules) !== false) { parent::blockAction($e, $httpCode, $redirect, '403-blacklist'); //exits } parent::blockAction($e, $httpCode, $redirect, $template); } } /** * @param wfWAFBlockXSSException $e * @param int $httpCode */ public function blockXSSAction($e, $httpCode = 403, $redirect = false) { if ($this->isInLearningMode() && !$e->getRequest()->getMetadata('finalAction')) { register_shutdown_function(array( $this, 'whitelistFailedRulesIfNot404', )); $this->getStorageEngine()->logAttack($e->getFailedRules(), $e->getParamKey(), $e->getParamValue(), $e->getRequest()); $this->setLearningModeAttackException($e); } else { $failedRules = $e->getFailedRules(); if (empty($failedRules)) { $finalAction = $e->getRequest()->getMetadata('finalAction'); if (is_array($finalAction)) { $finalAction = $finalAction['action']; if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_REDIR) { $redirect = wfWAFIPBlocksController::currentController()->countryRedirURL(); } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_BYPASS_REDIR) { $redirect = wfWAFIPBlocksController::currentController()->countryBypassRedirURL(); } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_UAREFIPRANGE) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => 'Advanced blocking in effect.', '503Time' => 3600))); $httpCode = 503; } else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => 'Access from your area has been temporarily limited for security reasons.', '503Time' => 3600))); $httpCode = 503; } else if (is_string($finalAction) && strlen($finalAction) > 0) { wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => $finalAction, '503Time' => 3600))); $httpCode = 503; } } } parent::blockXSSAction($e, $httpCode, $redirect); } } private function isCli() { return (php_sapi_name()==='cli') || !array_key_exists('REQUEST_METHOD', $_SERVER); } /** * */ public function runCron() { if($this->isCli()){ return; } /** * Removed sending attack data. Attack data is sent in @see wordfence::veryFirstAction */ $storage = $this->getStorageEngine(); $cron = (array) $storage->getConfig('cron', null, 'livewaf'); $run = array(); $updated = false; if (is_array($cron)) { /** @var wfWAFCronEvent $event */ $cronDeduplication = array(); foreach ($cron as $index => $event) { if (is_object($event) && $event instanceof wfWAFCronEvent) { $event->setWaf($this); if ($event->isInPast()) { $run[$index] = $event; $newEvent = $event->reschedule(); $className = get_class($newEvent); if ($newEvent instanceof wfWAFCronEvent && $newEvent !== $event && !in_array($className, $cronDeduplication)) { $cron[$index] = $newEvent; $cronDeduplication[] = $className; $updated = true; } else { unset($cron[$index]); $updated = true; } } else { $className = get_class($event); if (in_array($className, $cronDeduplication)) { unset($cron[$index]); $updated = true; } else { $cronDeduplication[] = $className; } } } else { //Remove bad/corrupt records unset($cron[$index]); $updated = true; } } } $storage->setConfig('cron', $cron, 'livewaf'); if ($updated && method_exists($storage, 'saveConfig')) { $storage->saveConfig('livewaf'); } foreach ($run as $index => $event) { $event->fire(); } } /** * */ public function whitelistFailedRulesIfNot404() { /** @var WP_Query $wp_query */ global $wp_query; if (defined('ABSPATH') && isset($wp_query) && class_exists('WP_Query') && $wp_query instanceof WP_Query && method_exists($wp_query, 'is_404') && $wp_query->is_404() && function_exists('is_admin') && !is_admin()) { return; } $this->whitelistFailedRules(); } /** * @param $ip * @return mixed */ public function isIPBlocked($ip) { return parent::isIPBlocked($ip); } /** * @param wfWAFRequest $request * @return bool|string false if it should not be blocked, otherwise true or a reason for blocking */ public function willPerformFinalAction($request) { try { $disableWAFIPBlocking = $this->getStorageEngine()->getConfig('disableWAFIPBlocking', null, 'synced'); $advancedBlockingEnabled = $this->getStorageEngine()->getConfig('advancedBlockingEnabled', null, 'synced'); } catch (Exception $e) { return false; } if ($disableWAFIPBlocking || !$advancedBlockingEnabled) { return false; } return wfWAFIPBlocksController::currentController()->shouldBlockRequest($request); } public function uninstall() { parent::uninstall(); @unlink(rtrim(WFWAF_LOG_PATH, '/') . '/.htaccess'); @unlink(rtrim(WFWAF_LOG_PATH, '/') . '/template.php'); @unlink(rtrim(WFWAF_LOG_PATH, '/') . '/GeoLite2-Country.mmdb'); self::_recursivelyRemoveWflogs(''); //Removes any remaining files and the directory itself } /** * Removes a path within wflogs, recursing as necessary. * * @param string $file * @param array $processedDirs * @return array The list of removed files/folders. */ private static function _recursivelyRemoveWflogs($file, $processedDirs = array()) { if (preg_match('~(?:^|/|\\\\)\.\.(?:/|\\\\|$)~', $file)) { return array(); } if (stripos(WFWAF_LOG_PATH, 'wflogs') === false) { //Sanity check -- if not in a wflogs folder, user will have to do removal manually return array(); } $path = rtrim(WFWAF_LOG_PATH, '/') . '/' . $file; if (is_link($path)) { if (@unlink($path)) { return array($file); } return array(); } if (is_dir($path)) { $real = realpath($file); if (in_array($real, $processedDirs)) { return array(); } $processedDirs[] = $real; $count = 0; $dir = opendir($path); if ($dir) { $contents = array(); while ($sub = readdir($dir)) { if ($sub == '.' || $sub == '..') { continue; } $contents[] = $sub; } closedir($dir); $filesRemoved = array(); foreach ($contents as $f) { $removed = self::_recursivelyRemoveWflogs($file . '/' . $f, $processedDirs); $filesRemoved = array($filesRemoved, $removed); } } if (@rmdir($path)) { $filesRemoved[] = $file; } return $filesRemoved; } if (@unlink($path)) { return array($file); } return array(); } public function fileList() { $fileList = parent::fileList(); $fileList[] = rtrim(WFWAF_LOG_PATH, '/') . '/.htaccess'; $fileList[] = rtrim(WFWAF_LOG_PATH, '/') . '/template.php'; $fileList[] = rtrim(WFWAF_LOG_PATH, '/') . '/GeoLite2-Country.mmdb'; return $fileList; } /** * @return wfWAFRunException */ public function getLearningModeAttackException() { return $this->learningModeAttackException; } /** * @param wfWAFRunException $learningModeAttackException */ public function setLearningModeAttackException($learningModeAttackException) { $this->learningModeAttackException = $learningModeAttackException; } public static function permissions() { if (defined('WFWAF_LOG_FILE_MODE')) { return WFWAF_LOG_FILE_MODE; } if (class_exists('wfWAFStorageFile') && method_exists('wfWAFStorageFile', 'permissions')) { return wfWAFStorageFile::permissions(); } static $_cachedPermissions = null; if ($_cachedPermissions === null) { if (defined('WFWAF_LOG_PATH')) { $template = rtrim(WFWAF_LOG_PATH . '/') . '/template.php'; if (file_exists($template)) { $stat = @stat($template); if ($stat !== false) { $mode = $stat[2]; $updatedMode = 0600; if (($mode & 0020) == 0020) { $updatedMode = $updatedMode | 0060; } $_cachedPermissions = $updatedMode; return $updatedMode; } } } return 0660; } return $_cachedPermissions; } public static function writeHtaccess() { @file_put_contents(rtrim(WFWAF_LOG_PATH, '/') . '/.htaccess', <<<APACHE <IfModule mod_authz_core.c> Require all denied </IfModule> <IfModule !mod_authz_core.c> Order deny,allow Deny from all </IfModule> APACHE ); @chmod(rtrim(WFWAF_LOG_PATH, '/') . '/.htaccess', (wfWAFWordPress::permissions() | 0444)); } public function getGlobal($global) { if (wfWAFUtils::strpos($global, '.') === false) { return null; } list($prefix, $_global) = explode('.', $global); switch ($prefix) { case 'wordpress': if ($_global === 'core') { return $this->getStorageEngine()->getConfig('wordpressVersion', null, 'synced'); } else if ($_global === 'plugins') { return $this->getStorageEngine()->getConfig('wordpressPluginVersions', null, 'synced'); } else if ($_global === 'themes') { return $this->getStorageEngine()->getConfig('wordpressThemeVersions', null, 'synced'); } break; } return parent::getGlobal($global); } } class wfWAFWordPressStorageMySQL extends wfWAFStorageMySQL { public function getSerializedParams() { $params = parent::getSerializedParams(); $params[] = 'wordpressPluginVersions'; $params[] = 'wordpressThemeVersions'; return $params; } public function getAutoloadParams() { $params = parent::getAutoloadParams(); $params['synced'][] = 'wordpressVersion'; $params['synced'][] = 'wordpressPluginVersions'; $params['synced'][] = 'wordpressThemeVersions'; return $params; } } class wfWAFWordPressI18n implements wfWAFI18nEngine { protected $translations; /** @var wfWAFStorageInterface */ private $storageEngine; /** * @var wfMO */ private $mo; /** * @param wfWAFStorageInterface $storageEngine */ public function __construct($storageEngine) { $this->storageEngine = $storageEngine; $this->loadTranslations(); } /** * @param string $text * @return string */ public function __($text) { if (!$this->storageEngine->getConfig('wordfenceI18n', true, 'synced')) { return $text; } if ($this->mo) { $translated = $this->mo->translate($text); if ($translated) { return $translated; } } return $text; } protected function loadTranslations() { require_once dirname(__FILE__) . '/pomo/mo.php'; $currentLocale = $this->storageEngine->getConfig('WPLANG', '', 'synced'); // Find translation file for the current language. $mofile = dirname(__FILE__) . '/../languages/wordfence-' . $currentLocale . '.mo'; if (!file_exists($mofile)) { // No translation, use the default $mofile = dirname(__FILE__) . '/../languages/wordfence.mo'; } $this->mo = new wfMO(); return $this->mo->import_from_file( $mofile ); } } try { if (!defined('WFWAF_LOG_PATH')) { if (!defined('WP_CONTENT_DIR')) { //Loading before WordPress exit(); } define('WFWAF_LOG_PATH', WP_CONTENT_DIR . '/wflogs/'); } if (!is_dir(WFWAF_LOG_PATH)) { @mkdir(WFWAF_LOG_PATH, (wfWAFWordPress::permissions() | 0755)); @chmod(WFWAF_LOG_PATH, (wfWAFWordPress::permissions() | 0755)); wfWAFWordPress::writeHtaccess(); } try { if (!defined('WFWAF_STORAGE_ENGINE') && isset($_SERVER['WFWAF_STORAGE_ENGINE'])) { define('WFWAF_STORAGE_ENGINE', $_SERVER['WFWAF_STORAGE_ENGINE']); } else if (!defined('WFWAF_STORAGE_ENGINE') && (WF_IS_WP_ENGINE || WF_IS_FLYWHEEL)) { define('WFWAF_STORAGE_ENGINE', 'mysqli'); } $specifiedStorageEngine = defined('WFWAF_STORAGE_ENGINE'); $fallbackStorageEngine = false; if ($specifiedStorageEngine) { switch (WFWAF_STORAGE_ENGINE) { case 'mysqli': $wfWAFDBCredentials = array(); $sslOptions = array(); $overrideConstants = array( 'wfWAFDBCredentials' => array( 'WFWAF_DB_NAME' => 'database', 'WFWAF_DB_USER' => 'user', 'WFWAF_DB_PASSWORD' => 'pass', 'WFWAF_DB_HOST' => 'host', 'WFWAF_DB_CHARSET' => 'charset', 'WFWAF_DB_COLLATE' => 'collation', 'WFWAF_MYSQL_CLIENT_FLAGS' => 'flags', 'WFWAF_TABLE_PREFIX' => 'tablePrefix' ), 'sslOptions' => array( 'WFWAF_DB_SSL_KEY' => 'key', 'WFWAF_DB_SSL_CERTIFICATE' => 'certificate', 'WFWAF_DB_SSL_CA_CERTIFICATE' => 'ca_certificate', 'WFWAF_DB_SSL_CA_PATH' => 'ca_path', 'WFWAF_DB_SSL_CIPHER_ALGOS' => 'cipher_algos' ) ); foreach ($overrideConstants as $variable => $constants) { foreach ($constants as $constant => $key) { if (defined($constant)) { ${$variable}[$key] = constant($constant); } } } // Find the wp-config.php if (is_dir(dirname(WFWAF_LOG_PATH))) { if (file_exists(dirname(WFWAF_LOG_PATH) . '/../wp-config.php')) { wfWAFUtils::extractCredentialsWPConfig(dirname(WFWAF_LOG_PATH) . '/../wp-config.php', $wfWAFDBCredentials); } else if (file_exists(dirname(WFWAF_LOG_PATH) . '/../../wp-config.php')) { wfWAFUtils::extractCredentialsWPConfig(dirname(WFWAF_LOG_PATH) . '/../../wp-config.php', $wfWAFDBCredentials); } } else if (!empty($_SERVER['DOCUMENT_ROOT'])) { if (file_exists($_SERVER['DOCUMENT_ROOT'] . '/wp-config.php')) { wfWAFUtils::extractCredentialsWPConfig($_SERVER['DOCUMENT_ROOT'] . '/wp-config.php', $wfWAFDBCredentials); } else if (file_exists($_SERVER['DOCUMENT_ROOT'] . '/../wp-config.php')) { wfWAFUtils::extractCredentialsWPConfig($_SERVER['DOCUMENT_ROOT'] . '/../wp-config.php', $wfWAFDBCredentials); } } else { $wfWAFDBCredentials = false; } if (!empty($wfWAFDBCredentials)) { $wfWAFStorageEngine = new wfWAFWordPressStorageMySQL(new wfWAFStorageEngineMySQLi(), $wfWAFDBCredentials['tablePrefix'], wfShutdownRegistry::getDefaultInstance()); $wfWAFStorageEngine->getDb()->connect( $wfWAFDBCredentials['user'], $wfWAFDBCredentials['pass'], $wfWAFDBCredentials['database'], !empty($wfWAFDBCredentials['ipv6']) ? '[' . $wfWAFDBCredentials['host'] . ']' : $wfWAFDBCredentials['host'], !empty($wfWAFDBCredentials['port']) ? $wfWAFDBCredentials['port'] : null, !empty($wfWAFDBCredentials['socket']) ? $wfWAFDBCredentials['socket'] : null, array_key_exists('flags', $wfWAFDBCredentials) ? $wfWAFDBCredentials['flags'] : 0, $sslOptions ); if (array_key_exists('charset', $wfWAFDBCredentials)) { $wfWAFStorageEngine->getDb() ->setCharset($wfWAFDBCredentials['charset'], !empty($wfWAFDBCredentials['collation']) ? $wfWAFDBCredentials['collation'] : ''); } if (defined('ABSPATH')) { $tableExists = false; $optionName = 'wordfence_installed'; //Also exists in wfConfig.php if (is_multisite() && function_exists('get_network_option')) { $tableExists = get_network_option(null, $optionName, null); } else { $tableExists = get_option($optionName, null); } $wfWAFStorageEngine->installing = !$tableExists; $wfWAFStorageEngine->getDb()->installing = $wfWAFStorageEngine->installing; } } else { unset($wfWAFDBCredentials); } break; } } if (empty($wfWAFStorageEngine)) { $wfWAFStorageEngine = new wfWAFStorageFile( WFWAF_LOG_PATH . 'attack-data.php', WFWAF_LOG_PATH . 'ips.php', WFWAF_LOG_PATH . 'config.php', WFWAF_LOG_PATH . 'rules.php', WFWAF_LOG_PATH . 'wafRules.rules' ); if ($specifiedStorageEngine) $fallbackStorageEngine = true; } wfWAF::setSharedStorageEngine($wfWAFStorageEngine, $fallbackStorageEngine); wfWAF::setInstance(new wfWAFWordPress(wfWAFWordPressRequest::createFromGlobals(), wfWAF::getSharedStorageEngine())); wfWAF::getInstance()->getEventBus()->attach(new wfWAFWordPressObserver(wfWAF::getInstance())); if ($wfWAFStorageEngine instanceof wfWAFStorageFile) { $rulesFiles = array( WFWAF_LOG_PATH . 'rules.php', // WFWAF_PATH . 'rules.php', ); foreach ($rulesFiles as $rulesFile) { if (!file_exists($rulesFile) && !wfWAF::getInstance()->isReadOnly()) { @touch($rulesFile); } @chmod($rulesFile, (wfWAFWordPress::permissions() | 0444)); if (is_writable($rulesFile)) { wfWAF::getInstance()->setCompiledRulesFile($rulesFile); break; } } } else if ($wfWAFStorageEngine instanceof wfWAFStorageMySQL) { $wfWAFStorageEngine->runMigrations(); $wfWAFStorageEngine->setDefaults(); } if (!wfWAF::getInstance()->isReadOnly()) { if (wfWAF::getInstance()->getStorageEngine()->needsInitialRules()) { try { if (wfWAF::getInstance()->getStorageEngine()->getConfig('apiKey', null, 'synced') !== null && wfWAF::getInstance()->getStorageEngine()->getConfig('createInitialRulesDelay', null, 'transient') < time() ) { $event = new wfWAFCronFetchRulesEvent(time() - 60); $event->setWaf(wfWAF::getInstance()); $event->fire(); wfWAF::getInstance()->getStorageEngine()->setConfig('createInitialRulesDelay', time() + (5 * 60), 'transient'); } } catch (wfWAFBuildRulesException $e) { // Log this somewhere error_log($e->getMessage()); } catch (Exception $e) { // Suppress this error_log($e->getMessage()); } } } if (WFWAF_DEBUG && file_exists(wfWAF::getInstance()->getStorageEngine()->getRulesDSLCacheFile())) { try { wfWAF::getInstance()->updateRuleSet(file_get_contents(wfWAF::getInstance()->getStorageEngine()->getRulesDSLCacheFile()), false); } catch (wfWAFBuildRulesException $e) { $GLOBALS['wfWAFDebugBuildException'] = $e; } catch (Exception $e) { $GLOBALS['wfWAFDebugBuildException'] = $e; } } wfWAFI18n::setInstance(new wfWAFI18n(new wfWAFWordPressI18n($wfWAFStorageEngine))); try { wfWAF::getInstance()->run(); } catch (wfWAFBuildRulesException $e) { // Log this error_log($e->getMessage()); } } catch (wfWAFStorageFileConfigException $e) { // Let this request through for now error_log($e->getMessage()); } catch (wfWAFStorageEngineMySQLiException $e) { // Let this request through for now error_log($e->getMessage()); } catch (wfWAFStorageFileException $e) { // We need to choose another storage engine here. } } catch (Exception $e) { // In PHP 5, Throwable does not exist error_log("An unexpected exception occurred during WAF execution: {$e}"); $wf_waf_failure = array( 'throwable' => $e ); } catch (Throwable $t) { error_log("An unexpected exception occurred during WAF execution: {$t}"); if (class_exists('ParseError') && $t instanceof ParseError) { //Do nothing } else { $wf_waf_failure = array( 'throwable' => $t ); } } if (wfWAF::getInstance() === null) { require_once __DIR__ . '/dummy.php'; wfWAF::setInstance(new wfDummyWaf()); } define('WFWAF_RUN_COMPLETE', true); }
| ver. 1.4 |
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