1035 lines
No EOL
34 KiB
PHP
1035 lines
No EOL
34 KiB
PHP
<?php
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/*
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php_value auto_prepend_file ~/wp-content/plugins/wordfence/waf/bootstrap.php
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*/
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if (!defined('WFWAF_RUN_COMPLETE')) {
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if (!defined('WFWAF_AUTO_PREPEND')) {
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define('WFWAF_AUTO_PREPEND', true);
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}
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if (!defined('WF_IS_WP_ENGINE')) {
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define('WF_IS_WP_ENGINE', isset($_SERVER['IS_WPE']));
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}
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if (!defined('WF_IS_FLYWHEEL')) {
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define('WF_IS_FLYWHEEL', isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'], 'Flywheel/') === 0);
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}
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if (!defined('WF_IS_PRESSABLE')) {
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define('WF_IS_PRESSABLE', (defined('IS_ATOMIC') && IS_ATOMIC) || (defined('IS_PRESSABLE') && IS_PRESSABLE));
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}
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require(dirname(__FILE__) . '/../lib/wfVersionSupport.php');
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/**
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* @var string $wfPHPDeprecatingVersion
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* @var string $wfPHPMinimumVersion
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*/
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if (!defined('WF_PHP_UNSUPPORTED')) {
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define('WF_PHP_UNSUPPORTED', version_compare(PHP_VERSION, $wfPHPMinimumVersion, '<'));
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}
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if (WF_PHP_UNSUPPORTED) {
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return;
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}
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require_once(dirname(__FILE__) . '/wfWAFUserIPRange.php');
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require_once(dirname(__FILE__) . '/wfWAFIPBlocksController.php');
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require_once(dirname(__FILE__) . '/../vendor/wordfence/wf-waf/src/init.php');
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class wfWAFWordPressRequest extends wfWAFRequest {
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/**
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* @param wfWAFRequest|null $request
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* @return wfWAFRequest
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*/
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public static function createFromGlobals($request = null) {
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if (version_compare(phpversion(), '5.3.0') >= 0) {
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$class = get_called_class();
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$request = new $class();
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} else {
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$request = new self();
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}
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return parent::createFromGlobals($request);
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}
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public function getIP() {
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static $theIP = null;
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if (isset($theIP)) {
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return $theIP;
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}
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$ips = array();
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$howGet = wfWAF::getInstance()->getStorageEngine()->getConfig('howGetIPs', null, 'synced');
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if ($howGet) {
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if (is_string($howGet) && is_array($_SERVER) && array_key_exists($howGet, $_SERVER)) {
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$ips[] = array($_SERVER[$howGet], $howGet);
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}
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if ($howGet != 'REMOTE_ADDR') {
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$ips[] = array((is_array($_SERVER) && array_key_exists('REMOTE_ADDR', $_SERVER)) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1', 'REMOTE_ADDR');
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}
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}
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else {
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$recommendedField = wfWAF::getInstance()->getStorageEngine()->getConfig('detectProxyRecommendation', null, 'synced');
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if (!empty($recommendedField) && $recommendedField != 'UNKNOWN' && $recommendedField != 'DEFERRED') {
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if (isset($_SERVER[$recommendedField])) {
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$ips[] = array($_SERVER[$recommendedField], $recommendedField);
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}
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}
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$ips[] = array((is_array($_SERVER) && array_key_exists('REMOTE_ADDR', $_SERVER)) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1', 'REMOTE_ADDR');
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$ips[] = array($_SERVER['HTTP_X_FORWARDED_FOR'], 'HTTP_X_FORWARDED_FOR');
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}
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if (isset($_SERVER['HTTP_X_REAL_IP'])) {
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$ips[] = array($_SERVER['HTTP_X_REAL_IP'], 'HTTP_X_REAL_IP');
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}
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}
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$cleanedIP = $this->_getCleanIPAndServerVar($ips);
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if (is_array($cleanedIP)) {
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list($ip, $variable) = $cleanedIP;
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$theIP = $ip;
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return $ip;
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}
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$theIP = $cleanedIP;
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return $cleanedIP;
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}
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/**
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* Expects an array of items. The items are either IPs or IPs separated by comma, space or tab. Or an array of IP's.
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* 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.
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*
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* @param array $arr
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* @return bool|mixed
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*/
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private function _getCleanIPAndServerVar($arr) {
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$privates = array(); //Store private addrs until end as last resort.
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foreach ($arr as $entry) {
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list($item, $var) = $entry;
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if (is_array($item)) {
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foreach ($item as $j) {
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// try verifying the IP is valid before stripping the port off
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if (!$this->_isValidIP($j)) {
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$j = preg_replace('/:\d+$/', '', $j); //Strip off port
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}
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if ($this->_isValidIP($j)) {
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if ($this->_isIPv6MappedIPv4($j)) {
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$j = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($j));
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}
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if ($this->_isPrivateIP($j)) {
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$privates[] = array($j, $var);
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}
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else {
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return array($j, $var);
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}
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}
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}
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continue; //This was an array so we can skip to the next item
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}
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$skipToNext = false;
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$trustedProxyConfig = wfWAF::getInstance()->getStorageEngine()->getConfig('howGetIPs_trusted_proxies_unified', null, 'synced');
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$trustedProxies = $trustedProxyConfig === null ? array() : explode("\n", $trustedProxyConfig);
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foreach (array(',', ' ', "\t") as $char) {
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if (strpos($item, $char) !== false) {
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$sp = explode($char, $item);
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$sp = array_reverse($sp);
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foreach ($sp as $index => $j) {
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$j = trim($j);
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if (!$this->_isValidIP($j)) {
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$j = preg_replace('/:\d+$/', '', $j); //Strip off port
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}
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if ($this->_isValidIP($j)) {
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if ($this->_isIPv6MappedIPv4($j)) {
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$j = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($j));
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}
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foreach ($trustedProxies as $proxy) {
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if (!empty($proxy)) {
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if (wfWAFUtils::subnetContainsIP($proxy, $j) && $index < count($sp) - 1) {
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continue 2;
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}
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}
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}
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if ($this->_isPrivateIP($j)) {
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$privates[] = array($j, $var);
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}
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else {
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return array($j, $var);
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}
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}
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}
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$skipToNext = true;
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break;
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}
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}
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if ($skipToNext){ continue; } //Skip to next item because this one had a comma, space or tab so was delimited and we didn't find anything.
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if (!$this->_isValidIP($item)) {
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$item = preg_replace('/:\d+$/', '', $item); //Strip off port
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}
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if ($this->_isValidIP($item)) {
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if ($this->_isIPv6MappedIPv4($item)) {
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$item = wfWAFUtils::inet_ntop(wfWAFUtils::inet_pton($item));
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}
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if ($this->_isPrivateIP($item)) {
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$privates[] = array($item, $var);
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}
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else {
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return array($item, $var);
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}
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}
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}
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if (sizeof($privates) > 0) {
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return $privates[0]; //Return the first private we found so that we respect the order the IP's were passed to this function.
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}
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return false;
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}
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/**
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* @param string $ip
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* @return bool
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*/
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private function _isValidIP($ip) {
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return filter_var($ip, FILTER_VALIDATE_IP) !== false;
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}
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/**
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* @param string $ip
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* @return bool
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*/
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private function _isIPv6MappedIPv4($ip) {
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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;
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}
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/**
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* @param string $addr Should be in dot or colon notation (127.0.0.1 or ::1)
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* @return bool
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*/
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private function _isPrivateIP($ip) {
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// Run this through the preset list for IPv4 addresses.
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false) {
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$wordfenceLib = realpath(dirname(__FILE__) . '/../lib');
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include($wordfenceLib . '/wfIPWhitelist.php'); // defines $wfIPWhitelist
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$private = $wfIPWhitelist['private'];
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foreach ($private as $a) {
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if (wfWAFUtils::subnetContainsIP($a, $ip)) {
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return true;
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}
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}
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}
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return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6) !== false
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&& filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) === false;
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}
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}
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class wfWAFWordPressObserver extends wfWAFBaseObserver {
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private $waf;
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public function __construct($waf){
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$this->waf=$waf;
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}
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public function beforeRunRules() {
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// Whitelisted URLs (in WAF config)
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$whitelistedURLs = wfWAF::getInstance()->getStorageEngine()->getConfig('whitelistedURLs', null, 'livewaf');
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if ($whitelistedURLs) {
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$whitelistPattern = "";
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foreach ($whitelistedURLs as $whitelistedURL) {
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$whitelistPattern .= preg_replace('/\\\\\*/', '.*?', preg_quote($whitelistedURL, '/')) . '|';
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}
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$whitelistPattern = '/^(?:' . wfWAFUtils::substr($whitelistPattern, 0, -1) . ')$/i';
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wfWAFRule::create(wfWAF::getInstance(), 0x8000000, 'rule', 'whitelist', 0, 'User Supplied Allowlisted URL', 'allow',
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new wfWAFRuleComparisonGroup(
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new wfWAFRuleComparison(wfWAF::getInstance(), 'match', $whitelistPattern, array(
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'request.uri',
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))
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)
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)->evaluate();
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}
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// Whitelisted IPs (Wordfence config)
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$whitelistedIPs = wfWAF::getInstance()->getStorageEngine()->getConfig('whitelistedIPs', null, 'synced');
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if ($whitelistedIPs) {
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if (!is_array($whitelistedIPs)) {
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$whitelistedIPs = explode(',', $whitelistedIPs);
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}
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foreach ($whitelistedIPs as $whitelistedIP) {
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$ipRange = new wfWAFUserIPRange($whitelistedIP);
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if ($ipRange->isIPInRange(wfWAF::getInstance()->getRequest()->getIP())) {
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throw new wfWAFAllowException('Wordfence allowlisted IP.');
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}
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}
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}
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// Check plugin blocking
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if ($result = wfWAF::getInstance()->willPerformFinalAction(wfWAF::getInstance()->getRequest())) {
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if ($result === true) { $result = 'Not available'; } // Should not happen but can if the reason in the blocks table is empty
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wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('finalAction' => $result)));
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}
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}
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public function afterRunRules()
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{
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//Blacklist
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if (!wfWAF::getInstance()->getStorageEngine()->getConfig('disableWAFBlacklistBlocking')) {
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$blockedPrefixes = wfWAF::getInstance()->getStorageEngine()->getConfig('blockedPrefixes', null, 'transient');
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if ($blockedPrefixes && wfWAF::getInstance()->getStorageEngine()->getConfig('isPaid', null, 'synced')) {
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$blockedPrefixes = base64_decode($blockedPrefixes);
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if ($this->_prefixListContainsIP($blockedPrefixes, wfWAF::getInstance()->getRequest()->getIP()) !== false) {
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$allowedCacheJSON = wfWAF::getInstance()->getStorageEngine()->getConfig('blacklistAllowedCache', '', 'transient');
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$allowedCache = @json_decode($allowedCacheJSON, true);
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if (!is_array($allowedCache)) {
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$allowedCache = array();
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}
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$cacheTest = base64_encode(wfWAFUtils::inet_pton(wfWAF::getInstance()->getRequest()->getIP()));
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if (!in_array($cacheTest, $allowedCache)) {
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$guessSiteURL = sprintf('%s://%s/', wfWAF::getInstance()->getRequest()->getProtocol(), wfWAF::getInstance()->getRequest()->getHost());
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try {
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$request = new wfWAFHTTP();
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$response = wfWAFHTTP::get(WFWAF_API_URL_SEC . "?" . http_build_query(array(
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'action' => 'is_ip_blacklisted',
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'ip' => wfWAF::getInstance()->getRequest()->getIP(),
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'k' => wfWAF::getInstance()->getStorageEngine()->getConfig('apiKey', null, 'synced'),
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's' => wfWAF::getInstance()->getStorageEngine()->getConfig('siteURL', null, 'synced') ? wfWAF::getInstance()->getStorageEngine()->getConfig('siteURL', null, 'synced') : $guessSiteURL,
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'h' => wfWAF::getInstance()->getStorageEngine()->getConfig('homeURL', null, 'synced') ? wfWAF::getInstance()->getStorageEngine()->getConfig('homeURL', null, 'synced') : $guessSiteURL,
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't' => microtime(true),
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'lang' => wfWAF::getInstance()->getStorageEngine()->getConfig('WPLANG', null, 'synced'),
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), '', '&'), $request);
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if ($response instanceof wfWAFHTTPResponse && $response->getBody()) {
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$jsonData = wfWAFUtils::json_decode($response->getBody(), true);
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if (is_array($jsonData) && array_key_exists('data', $jsonData)) {
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if (preg_match('/^block:(\d+)$/i', $jsonData['data'], $matches)) {
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wfWAF::getInstance()->getStorageEngine()->blockIP((int)$matches[1] + time(), wfWAF::getInstance()->getRequest()->getIP(), wfWAFStorageInterface::IP_BLOCKS_BLACKLIST);
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$e = new wfWAFBlockException();
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$e->setFailedRules(array('blocked'));
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$e->setRequest(wfWAF::getInstance()->getRequest());
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throw $e;
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}
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else { //Allowed, cache until the next prefix list refresh
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$allowedCache[] = $cacheTest;
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wfWAF::getInstance()->getStorageEngine()->setConfig('blacklistAllowedCache', json_encode($allowedCache), 'transient');
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}
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}
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}
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} catch (wfWAFHTTPTransportException $e) {
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error_log($e->getMessage());
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}
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}
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}
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}
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}
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if ($reason = wfWAF::getInstance()->getRequest()->getMetadata('finalAction')) {
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$e = new wfWAFBlockException($reason['action']);
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$e->setRequest(wfWAF::getInstance()->getRequest());
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throw $e;
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}
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}
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private function _prefixListContainsIP($prefixList, $ip) {
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$size = ord(wfWAFUtils::substr($prefixList, 0, 1));
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$sha256 = hash('sha256', wfWAFUtils::inet_pton($ip), true);
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$p = wfWAFUtils::substr($sha256, 0, $size);
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$count = ceil((wfWAFUtils::strlen($prefixList) - 1) / $size);
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$low = 0;
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$high = $count - 1;
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while ($low <= $high) {
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$mid = (int) (($high + $low) / 2);
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$val = wfWAFUtils::substr($prefixList, 1 + $mid * $size, $size);
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$cmp = strcmp($val, $p);
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if ($cmp < 0) {
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$low = $mid + 1;
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}
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else if ($cmp > 0) {
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$high = $mid - 1;
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}
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else {
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return $mid;
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}
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}
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return false;
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}
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}
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/**
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*
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*/
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class wfWAFWordPress extends wfWAF {
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/** @var wfWAFRunException */
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private $learningModeAttackException;
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/**
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* @param wfWAFBlockException $e
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* @param int $httpCode
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*/
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public function blockAction($e, $httpCode = 403, $redirect = false, $template = null) {
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$failedRules = $e->getFailedRules();
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if (!is_array($failedRules)) {
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$failedRules = array();
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}
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if ($this->isInLearningMode() && !$e->getRequest()->getMetadata('finalAction') && !in_array('blocked', $failedRules)) {
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register_shutdown_function(array(
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$this, 'whitelistFailedRulesIfNot404',
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));
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$this->getStorageEngine()->logAttack($e->getFailedRules(), $e->getParamKey(), $e->getParamValue(), $e->getRequest());
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$this->setLearningModeAttackException($e);
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} else {
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if (empty($failedRules)) {
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$finalAction = $e->getRequest()->getMetadata('finalAction');
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if (is_array($finalAction)) {
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$isLockedOut = isset($finalAction['lockout']) && $finalAction['lockout'];
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$finalAction = $finalAction['action'];
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if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_REDIR) {
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$redirect = wfWAFIPBlocksController::currentController()->countryRedirURL();
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}
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else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY_BYPASS_REDIR) {
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$redirect = wfWAFIPBlocksController::currentController()->countryBypassRedirURL();
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}
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else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_UAREFIPRANGE) {
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wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => 'Advanced blocking in effect.', '503Time' => 3600)));
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$httpCode = 503;
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}
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else if ($finalAction == wfWAFIPBlocksController::WFWAF_BLOCK_COUNTRY) {
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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)));
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$httpCode = 503;
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}
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else if (is_string($finalAction) && strlen($finalAction) > 0) {
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wfWAF::getInstance()->getRequest()->setMetadata(array_merge(wfWAF::getInstance()->getRequest()->getMetadata(), array('503Reason' => $finalAction, '503Time' => 3600)));
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$httpCode = 503;
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if ($isLockedOut) {
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parent::blockAction($e, $httpCode, $redirect, '503-lockout'); //exits
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}
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}
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}
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}
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else if (array_search('blocked', $failedRules) !== false) {
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parent::blockAction($e, $httpCode, $redirect, '403-blacklist'); //exits
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}
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parent::blockAction($e, $httpCode, $redirect, $template);
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}
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}
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/**
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* @param wfWAFBlockXSSException $e
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* @param int $httpCode
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*/
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public function blockXSSAction($e, $httpCode = 403, $redirect = false) {
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if ($this->isInLearningMode() && !$e->getRequest()->getMetadata('finalAction')) {
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register_shutdown_function(array(
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$this, 'whitelistFailedRulesIfNot404',
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));
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$this->getStorageEngine()->logAttack($e->getFailedRules(), $e->getParamKey(), $e->getParamValue(), $e->getRequest());
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$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();
|
|
$className = is_object($newEvent) ? get_class($newEvent) : null;
|
|
if ($newEvent && $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);
|
|
} |