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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 (function_exists('get_option')) {
$wfWAFStorageEngine->installing = !get_option('wordfenceActivated');
$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);
}