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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web284/html/wp-content/plugins/wordfence/lib/ |
| Current File : //var/www/web284/html/wp-content/plugins/wordfence/lib/wfActivityReport.php |
<?php
class wfActivityReport {
/**
* @var int
*/
private $limit = 10;
/**
* @var wpdb
*/
private $db;
/**
* @param int $limit
*/
public function __construct($limit = 10) {
global $wpdb;
$this->db = $wpdb;
$this->limit = $limit;
}
/**
* Schedule the activity report cron job.
*/
public static function scheduleCronJob() {
self::clearCronJobs();
if (!wfConfig::get('email_summary_enabled', 1)) {
return;
}
if (is_main_site()) {
list(, $end_time) = wfActivityReport::getReportDateRange();
wp_schedule_single_event($end_time, 'wordfence_email_activity_report');
}
}
/**
* Remove the activity report cron job.
*/
public static function disableCronJob() {
self::clearCronJobs();
}
public static function clearCronJobs() {
wp_clear_scheduled_hook('wordfence_email_activity_report');
}
/**
* Send out the report and reschedule the next report's cron job.
*/
public static function executeCronJob() {
$report = new self();
$report->sendReportViaEmail(wfConfig::getAlertEmails());
self::scheduleCronJob();
}
/**
* Output a compact version of the email for the WP dashboard.
*/
public static function outputDashboardWidget() {
$report = new self(5);
echo $report->toWidgetView();
}
/**
* @return array
*/
public static function getReportDateRange() {
$interval = wfConfig::get('email_summary_interval', 'weekly');
$offset = get_option('gmt_offset');
return self::_getReportDateRange($interval, $offset);
}
/**
* Testable code.
*
* @param string $interval
* @param int $offset
* @param null $time
* @return array
*/
public static function _getReportDateRange($interval = 'weekly', $offset = 0, $time = null) {
if ($time === null) {
$time = time();
}
$day = (int) gmdate('w', $time);
$month = (int) gmdate("n", $time);
$day_of_month = (int) gmdate("j", $time);
$year = (int) gmdate("Y", $time);
$start_time = 0;
$end_time = 0;
switch ($interval) {
// Send a report 4pm every Monday
case 'weekly':
$start_time = gmmktime(16, 0, 0, $month, $day_of_month - $day + 1, $year) + (-$offset * 60 * 60);
$end_time = $start_time + (86400 * 7);
break;
// Send a report 4pm every other Monday
case 'biweekly':
$start_time = gmmktime(16, 0, 0, $month, $day_of_month - $day + 1, $year) + (-$offset * 60 * 60);
$end_time = $start_time + (86400 * 14);
break;
// Send a report at 4pm the first of every month
case 'monthly':
$start_time = gmmktime(16, 0, 0, $month, 1, $year) + (-$offset * 60 * 60);
$end_time = gmmktime(16, 0, 0, $month + 1, 1, $year) + (-$offset * 60 * 60);
break;
}
return array($start_time, $end_time);
}
/**
* @return int
*/
public static function getReportDateFrom() {
$interval = wfConfig::get('email_summary_interval', 'weekly');
return self::_getReportDateFrom($interval);
}
/**
* @param string $interval
* @param null $time
* @return int
*/
public static function _getReportDateFrom($interval = 'weekly', $time = null) {
if ($time === null) {
$time = time();
}
// weekly
$from = $time - (86400 * 7);
switch ($interval) {
case 'biweekly':
$from = $time - (86400 * 14);
break;
// Send a report at 4pm the first of every month
case 'monthly':
$from = strtotime('-1 month', $time);
break;
}
return $from;
}
/**
* @return array
*/
public function getFullReport() {
$start_time = microtime(true);
return array(
'top_ips_blocked' => $this->getTopIPsBlocked($this->limit),
'top_countries_blocked' => $this->getTopCountriesBlocked($this->limit),
'top_failed_logins' => $this->getTopFailedLogins($this->limit),
'recently_modified_files' => $this->getRecentFilesModified($this->limit),
'updates_needed' => $this->getUpdatesNeeded(),
'microseconds' => microtime(true) - $start_time,
);
}
/**
* @return array
*/
public function getWidgetReport() {
$start_time = microtime(true);
return array(
'top_ips_blocked' => $this->getTopIPsBlocked($this->limit),
'top_countries_blocked' => $this->getTopCountriesBlocked($this->limit),
'top_failed_logins' => $this->getTopFailedLogins($this->limit),
'updates_needed' => $this->getUpdatesNeeded(),
'microseconds' => microtime(true) - $start_time,
);
}
/**
* @param int $limit
* @return mixed
*/
public function getTopIPsBlocked($limit = 10) {
$where = $this->getBlockedIPWhitelistWhereClause();
if ($where) {
$where = 'WHERE NOT (' . $where . ')';
}
$results = $this->db->get_results($this->db->prepare(<<<SQL
SELECT *,
SUM(blockCount) as blockCount
FROM {$this->db->prefix}wfBlockedIPLog
$where
GROUP BY IP
ORDER BY blockCount DESC
LIMIT %d
SQL
, $limit));
if ($results) {
foreach ($results as &$row) {
$row->countryName = $this->getCountryNameByCode($row->countryCode);
}
}
return $results;
}
/**
* @param int $limit
* @return array
*/
public function getTopCountriesBlocked($limit = 10) {
$where = $this->getBlockedIPWhitelistWhereClause();
if ($where) {
$where = 'WHERE NOT (' . $where . ')';
}
$results = $this->db->get_results($this->db->prepare(<<<SQL
SELECT *, COUNT(IP) as totalIPs, SUM(blockCount) as totalBlockCount
FROM {$this->db->base_prefix}wfBlockedIPLog
$where
GROUP BY countryCode
ORDER BY totalBlockCount DESC
LIMIT %d
SQL
, $limit));
if ($results) {
foreach ($results as &$row) {
$row->countryName = $this->getCountryNameByCode($row->countryCode);
}
}
return $results;
}
/**
* @param int $limit
* @return mixed
*/
public function getTopFailedLogins($limit = 10) {
$interval = 'UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 7 day))';
switch (wfConfig::get('email_summary_interval', 'weekly')) {
case 'biweekly':
$interval = 'UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 14 day))';
break;
case 'monthly':
$interval = 'UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 1 month))';
break;
}
$results = $this->db->get_results($this->db->prepare(<<<SQL
SELECT *,
sum(fail) as fail_count,
max(userID) as is_valid_user
FROM {$this->db->base_prefix}wfLogins
WHERE fail = 1
AND ctime > $interval
GROUP BY username
ORDER BY fail_count DESC
LIMIT %d
SQL
, $limit));
return $results;
}
/**
* Generate SQL from the whitelist. Uses the return format from wfLog::getWhitelistedIPs
*
* @see wfLog::getWhitelistedIPs
* @param array $whitelisted_ips
* @return string
*/
public function getBlockedIPWhitelistWhereClause($whitelisted_ips = null) {
if ($whitelisted_ips === null) {
$whitelisted_ips = wordfence::getLog()->getWhitelistedIPs();
}
if (!is_array($whitelisted_ips)) {
return false;
}
$where = '';
/** @var array|wfUserIPRange|string $ip_range */
foreach ($whitelisted_ips as $ip_range) {
if (is_array($ip_range) && count($ip_range) == 2) {
$where .= $this->db->prepare('IP BETWEEN %s AND %s', $ip_range[0], $ip_range[1]) . ' OR ';
} elseif (is_a($ip_range, 'wfUserIPRange')) {
$where .= $ip_range->toSQL('IP') . ' OR ';
} elseif (is_string($ip_range) || is_numeric($ip_range)) {
$where .= $this->db->prepare('IP = %s', $ip_range) . ' OR ';
}
}
if ($where) {
// remove the extra ' OR '
$where = substr($where, 0, -4);
}
return $where;
}
/**
* Returns any updates needs or false if everything is up to date.
*
* @return array|bool
*/
public function getUpdatesNeeded() {
$update_check = new wfUpdateCheck();
$needs_update = $update_check->checkAllUpdates()
->needsAnyUpdates();
if ($needs_update) {
return array(
'core' => $update_check->getCoreUpdateVersion(),
'plugins' => $update_check->getPluginUpdates(),
'themes' => $update_check->getThemeUpdates(),
);
}
return false;
}
/**
* Returns list of files modified within given timeframe.
*
* @todo Add option to configure the regex used to filter files allowed in this list.
* @todo Add option to exclude directories (such as cache directories).
*
* @param string $directory Search for files within this directory
* @param int $time_range One week
* @param int $limit Max files to return in results
* @param int $directory_limit Hard limit for number of files to search within a directory.
* @return array
*/
public function getRecentFilesModified($limit = 300, $directory = ABSPATH, $time_range = 604800, $directory_limit = 20000) {
$recently_modified = new wfRecentlyModifiedFiles($directory);
$recently_modified->run();
return $recently_modified->mostRecentFiles($limit);
}
/**
* Remove entries older than a week in the IP log.
*/
public function rotateIPLog() {
// default to weekly
$interval = 'FLOOR(UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 7 day)) / 86400)';
switch (wfConfig::get('email_summary_interval', 'weekly')) {
case 'biweekly':
$interval = 'FLOOR(UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 14 day)) / 86400)';
break;
case 'monthly':
$interval = 'FLOOR(UNIX_TIMESTAMP(DATE_SUB(NOW(), interval 1 month)) / 86400)';
break;
}
$this->db->query(<<<SQL
DELETE FROM {$this->db->base_prefix}wfBlockedIPLog
WHERE unixday < $interval
SQL
);
}
/**
* @param mixed $ip_address
* @param int|null $unixday
*/
public static function logBlockedIP($ip_address, $unixday = null) {
/** @var wpdb $wpdb */
global $wpdb;
if (wfUtils::isValidIP($ip_address)) {
$ip_bin = wfUtils::inet_pton($ip_address);
} else {
$ip_bin = $ip_address;
$ip_address = wfUtils::inet_ntop($ip_bin);
}
$blocked_table = "{$wpdb->base_prefix}wfBlockedIPLog";
$unixday_insert = 'FLOOR(UNIX_TIMESTAMP() / 86400)';
if (is_int($unixday)) {
$unixday_insert = absint($unixday);
}
$country = wfUtils::IP2Country($ip_address);
$wpdb->query($wpdb->prepare(<<<SQL
INSERT INTO $blocked_table (IP, countryCode, blockCount, unixday)
VALUES (%s, %s, 1, $unixday_insert)
ON DUPLICATE KEY UPDATE blockCount = blockCount + 1
SQL
, $ip_bin, $country));
}
/**
* @param $code
* @return string
*/
public function getCountryNameByCode($code) {
static $wfBulkCountries;
if (!isset($wfBulkCountries)) {
include 'wfBulkCountries.php';
}
return array_key_exists($code, $wfBulkCountries) ? $wfBulkCountries[$code] : "";
}
/**
* @return wfActivityReportView
*/
public function toView() {
return new wfActivityReportView('reports/activity-report', $this->getFullReport() + array(
'limit' => $this->getLimit(),
));
}
/**
* @return wfActivityReportView
*/
public function toWidgetView() {
return new wfActivityReportView('reports/activity-report', $this->getWidgetReport() + array(
'limit' => $this->getLimit(),
));
}
/**
* @return wfActivityReportView
*/
public function toEmailView() {
return new wfActivityReportView('reports/activity-report-email-inline', $this->getFullReport());
}
/**
* @param $email_addresses string|array
* @return bool
*/
public function sendReportViaEmail($email_addresses) {
$shortSiteURL = preg_replace('/^https?:\/\//i', '', site_url());
return wp_mail($email_addresses, 'Wordfence activity for ' . date_i18n(get_option('date_format')) . ' on ' . $shortSiteURL, $this->toEmailView()->__toString(), 'Content-Type: text/html');
}
/**
* @return string
* @throws wfViewNotFoundException
*/
public function render() {
return $this->toView()
->render();
}
/**
* @return string
*/
public function __toString() {
return $this->toView()
->__toString();
}
/**
* @return int
*/
public function getLimit() {
return $this->limit;
}
/**
* @param int $limit
*/
public function setLimit($limit) {
$this->limit = $limit;
}
}
class wfRecentlyModifiedFiles extends wfDirectoryIterator {
/**
* @var int
*/
private $time_range = 604800;
/**
* @var array
*/
private $files = array();
private $excluded_directories;
/**
* @param string $directory
* @param int $max_files_per_directory
* @param int $max_iterations
* @param int $time_range
*/
public function __construct($directory = ABSPATH, $max_files_per_directory = 20000, $max_iterations = 250000, $time_range = 604800) {
parent::__construct($directory, $max_files_per_directory, $max_iterations);
$this->time_range = $time_range;
$excluded_directories = explode(',', (string) wfConfig::get('email_summary_excluded_directories'));
$this->excluded_directories = array();
foreach ($excluded_directories as $index => $path) {
if (($dir = realpath(ABSPATH . $path)) !== false) {
$this->excluded_directories[$dir] = 1;
}
}
}
/**
* @param $dir
* @return bool
*/
protected function scan($dir) {
if (!array_key_exists(realpath($dir), $this->excluded_directories)) {
return parent::scan($dir);
}
return true;
}
/**
* @param string $file
*/
public function file($file) {
$mtime = filemtime($file);
if (time() - $mtime < $this->time_range) {
$this->files[] = array($file, $mtime);
}
}
/**
* @param int $limit
* @return array
*/
public function mostRecentFiles($limit = 300) {
usort($this->files, array(
$this,
'_sortMostRecentFiles',
));
return array_slice($this->files, 0, $limit);
}
/**
* Sort in descending order.
*
* @param $a
* @param $b
* @return int
*/
private function _sortMostRecentFiles($a, $b) {
if ($a[1] > $b[1]) {
return -1;
}
if ($a[1] < $b[1]) {
return 1;
}
return 0;
}
/**
* @return mixed
*/
public function getFiles() {
return $this->files;
}
}
class wfActivityReportView extends wfView {
/**
* @param $file
* @return string
*/
public function displayFile($file) {
if (stripos($file, ABSPATH) === 0) {
return substr($file, strlen(ABSPATH));
}
return $file;
}
/**
* @param null $unix_time
* @return string
*/
public function modTime($unix_time = null) {
if ($unix_time === null) {
$unix_time = time();
}
return date_i18n('F j, Y g:ia', $unix_time);
}
}
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