/**
* Locks out given user or host
*
* @since 4.0
*
* @param string $type The type of lockout (for user reference)
* @param string $reason Reason for lockout, for notifications
* @param string $host Host to lock out
* @param int $user user id to lockout
* @param string $username username to lockout
*
* @return void
*/
private function lockout($type, $reason, $host = NULL, $user = NULL, $username = NULL)
{
global $wpdb, $itsec_logger, $itsec_globals, $itsec_files;
$host_expiration = NULL;
$user_expiration = NULL;
$username = sanitize_text_field(trim($username));
if ($itsec_files->get_file_lock('lockout_' . $host . $user . $username)) {
//Do we have a good host to lock out or not
if ($host != NULL && $this->is_ip_whitelisted(sanitize_text_field($host)) === false && ITSEC_Lib::validates_ip_address($host) === true) {
$good_host = sanitize_text_field($host);
} else {
$good_host = false;
}
//Do we have a valid user to lockout or not
if ($user !== NULL && ITSEC_Lib::user_id_exists(intval($user)) === true) {
$good_user = intval($user);
} else {
$good_user = false;
}
//Do we have a valid username to lockout or not
if ($username !== NULL && $username != '') {
$good_username = $username;
} else {
$good_username = false;
}
$blacklist_host = false;
//assume we're not permanently blcking the host
//Sanitize the data for later
$type = sanitize_text_field($type);
$reason = sanitize_text_field($reason);
//handle a permanent host ban (if needed)
if ($itsec_globals['settings']['blacklist'] === true && $good_host !== false) {
//permanent blacklist
$blacklist_period = isset($itsec_globals['settings']['blacklist_period']) ? $itsec_globals['settings']['blacklist_period'] * 24 * 60 * 60 : 604800;
$host_count = 1 + $wpdb->get_var($wpdb->prepare("SELECT COUNT(*) FROM `" . $wpdb->base_prefix . "itsec_lockouts` WHERE `lockout_expire_gmt` > '%s' AND `lockout_host`='%s';", date('Y-m-d H:i:s', $itsec_globals['current_time_gmt'] - $blacklist_period), $host));
if ($host_count >= $itsec_globals['settings']['blacklist_count'] && isset($itsec_globals['settings']['write_files']) && $itsec_globals['settings']['write_files'] === true) {
$host_expiration = false;
if (!class_exists('ITSEC_Ban_Users')) {
require trailingslashit($itsec_globals['plugin_dir']) . 'modules/free/ban-users/class-itsec-ban-users.php';
}
ITSEC_Ban_Users::insert_ip(sanitize_text_field($host));
//Send it to the Ban Users module for banning
$blacklist_host = true;
//flag it so we don't do a temp ban as well
}
}
//We have temp bans to perform
if ($good_host !== false || $good_user !== false || $good_username || $good_username !== false) {
if ($this->is_ip_whitelisted(sanitize_text_field($host))) {
$whitelisted = true;
$expiration = date('Y-m-d H:i:s', 1);
$expiration_gmt = date('Y-m-d H:i:s', 1);
} else {
$whitelisted = false;
$exp_seconds = intval($itsec_globals['settings']['lockout_period']) * 60;
$expiration = date('Y-m-d H:i:s', $itsec_globals['current_time'] + $exp_seconds);
$expiration_gmt = date('Y-m-d H:i:s', $itsec_globals['current_time_gmt'] + $exp_seconds);
}
if ($good_host !== false && $blacklist_host === false) {
//temp lockout host
$host_expiration = $expiration;
$wpdb->insert($wpdb->base_prefix . 'itsec_lockouts', array('lockout_type' => $type, 'lockout_start' => date('Y-m-d H:i:s', $itsec_globals['current_time']), 'lockout_start_gmt' => date('Y-m-d H:i:s', $itsec_globals['current_time_gmt']), 'lockout_expire' => $expiration, 'lockout_expire_gmt' => $expiration_gmt, 'lockout_host' => sanitize_text_field($host), 'lockout_user' => ''));
$itsec_logger->log_event(__('lockout', 'it-l10n-better-wp-security'), 10, array('expires' => $expiration, 'expires_gmt' => $expiration_gmt, 'type' => $type), sanitize_text_field($host));
}
if ($good_user !== false) {
//blacklist host and temp lockout user
$user_expiration = $expiration;
$wpdb->insert($wpdb->base_prefix . 'itsec_lockouts', array('lockout_type' => $type, 'lockout_start' => date('Y-m-d H:i:s', $itsec_globals['current_time']), 'lockout_start_gmt' => date('Y-m-d H:i:s', $itsec_globals['current_time_gmt']), 'lockout_expire' => $expiration, 'lockout_expire_gmt' => $expiration_gmt, 'lockout_host' => '', 'lockout_user' => intval($user)));
if ($whitelisted === false) {
$itsec_logger->log_event('lockout', 10, array('expires' => $expiration, 'expires_gmt' => $expiration_gmt, 'type' => $type), '', '', intval($user));
} else {
$itsec_logger->log_event('lockout', 10, array(__('White Listed', 'it-l10n-better-wp-security'), 'type' => $type), '', '', intval($user));
}
}
if ($good_username !== false) {
//blacklist host and temp lockout username
$user_expiration = $expiration;
$wpdb->insert($wpdb->base_prefix . 'itsec_lockouts', array('lockout_type' => $type, 'lockout_start' => date('Y-m-d H:i:s', $itsec_globals['current_time']), 'lockout_start_gmt' => date('Y-m-d H:i:s', $itsec_globals['current_time_gmt']), 'lockout_expire' => $expiration, 'lockout_expire_gmt' => $expiration_gmt, 'lockout_host' => '', 'lockout_username' => $username));
if ($whitelisted === false) {
$itsec_logger->log_event('lockout', 10, array('expires' => $expiration, 'expires_gmt' => $expiration_gmt, 'type' => $type), '', '', $username);
} else {
$itsec_logger->log_event('lockout', 10, array(__('White Listed', 'it-l10n-better-wp-security'), 'type' => $type), '', '', $username);
}
}
if ($whitelisted === false) {
if ($itsec_globals['settings']['email_notifications'] === true) {
//send email notifications
$this->send_lockout_email($good_host, $good_user, $good_username, $host_expiration, $user_expiration, $reason);
}
if ($good_host !== false) {
$itsec_files->release_file_lock('lockout_' . $host . $user . $username);
$this->execute_lock();
} else {
$itsec_files->release_file_lock('lockout_' . $host . $user . $username);
$this->execute_lock(true);
}
}
}
$itsec_files->release_file_lock('lockout_' . $host . $user . $username);
}
}
