/**
* Inserts an IP address into the htaccess ban list.
*
* @since 4.0
*
* @param $ip
* @param null $ban_list
* @param null $white_list
*
* @return void
*/
public static function insert_ip($ip, $ban_list = null, $white_list = null)
{
$settings = get_site_option('itsec_ban_users');
$host = sanitize_text_field($ip);
if ($ban_list === null) {
$ban_list = isset($settings['host_list']) ? $settings['host_list'] : array();
}
if ($white_list === null) {
$global_settings = get_site_option('itsec_global');
$white_list = isset($global_settings['lockout_white_list']) ? $global_settings['lockout_white_list'] : array();
}
if (!in_array($host, $ban_list) && !ITSEC_Ban_Users::is_ip_whitelisted($host, $white_list)) {
$ban_list[] = $host;
$settings['host_list'] = $ban_list;
ITSEC_Files::quick_ban($host);
update_site_option('itsec_ban_users', $settings);
add_site_option('itsec_rewrites_changed', true);
}
}
/**
* Sanitize and validate input
*
* @param Array $input array of input fields
*
* @return Array Sanitized array
*/
public function sanitize_module_input($input)
{
global $itsec_globals;
$has_errors = false;
//Sanitize checkbox features
$input['enabled'] = isset($input['enabled']) && intval($input['enabled'] == 1) ? true : false;
$input['default'] = isset($input['default']) && intval($input['default'] == 1) ? true : false;
if (isset($input['agent_list']) && is_string($input['agent_list'])) {
$agents = preg_split('/(?<!\\r)\\n|\\r(?!\\n)|(?<!\\r)\\r\\n|\\r\\r\\n/', trim($input['agent_list']));
} else {
if (isset($input['agent_list']) && is_array($input['agent_list'])) {
$agents = $input['agent_list'];
} else {
$agents = array();
}
}
$good_agents = array();
foreach ($agents as $agent) {
$agent = trim(sanitize_text_field($agent));
if (!empty($agent)) {
$good_agents[] = $agent;
}
}
$input['agent_list'] = array_unique($good_agents);
if (isset($input['host_list']) && is_string($input['host_list'])) {
$addresses = preg_split('/(?<!\\r)\\n|\\r(?!\\n)|(?<!\\r)\\r\\n|\\r\\r\\n/', trim($input['host_list']));
} else {
if (isset($input['host_list']) && is_array($input['host_list'])) {
$addresses = $input['host_list'];
} else {
$addresses = array();
}
}
if (!class_exists('ITSEC_Ban_Users')) {
require dirname(__FILE__) . '/class-itsec-ban-users.php';
}
$bad_ips = array();
$white_ips = array();
$raw_ips = array();
foreach ($addresses as $index => $address) {
$address = trim($address);
if (empty($address)) {
continue;
}
if (!ITSEC_Lib::validates_ip_address($address)) {
$bad_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
}
if (ITSEC_Ban_Users::is_ip_whitelisted($address, null, true)) {
$white_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
}
$raw_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
}
$raw_ips = array_unique($raw_ips);
if (!empty($bad_ips)) {
$input['enabled'] = false;
//disable ban users list
$type = 'error';
if (!$has_errors) {
$message = sprintf('%s<br /><br />', __('Note that the ban users feature has been disabled until the following errors are corrected:', 'better-wp-security'));
}
foreach ($bad_ips as $bad_ip) {
$message .= sprintf('%s %s<br />', $bad_ip, __('is not a valid address in the ban users box.', 'better-wp-security'));
}
add_settings_error('itsec', esc_attr('settings_updated'), $message, $type);
$has_errors = true;
}
if (sizeof($white_ips) > 0) {
$input['enabled'] = false;
//disable ban users list
$type = 'error';
if (!$has_errors) {
$message = sprintf('%s<br /><br />', __('Note that the ban users feature has been disabled until the following errors are corrected:', 'better-wp-security'));
}
foreach ($white_ips as $white_ip) {
$message .= sprintf('%s %s<br />', $white_ip, __('is not a valid address as it has been white listed.', 'better-wp-security'));
}
add_settings_error('itsec', esc_attr('settings_updated'), $message, $type);
$has_errors = true;
}
$input['host_list'] = $raw_ips;
if (!$has_errors) {
if (!isset($type) && ($input['host_list'] !== $this->settings['host_list'] || $input['enabled'] !== $this->settings['enabled'] || $input['default'] !== $this->settings['default'] || $input['agent_list'] !== $this->settings['agent_list']) || isset($itsec_globals['settings']['write_files']) && true === $itsec_globals['settings']['write_files']) {
add_site_option('itsec_rewrites_changed', true);
}
}
if (is_multisite()) {
if (isset($type)) {
$error_handler = new WP_Error();
$error_handler->add($type, $message);
$this->core->show_network_admin_notice($error_handler);
} else {
$this->core->show_network_admin_notice(false);
}
$this->settings = $input;
}
return $input;
}
/**
* Sanitize and validate input
*
* @param Array $input array of input fields
*
* @return Array Sanitized array
*/
public function sanitize_module_input($input)
{
global $itsec_globals;
$no_errors = false;
//start out assuming they entered a bad IP somewhere
//Sanitize checkbox features
$input['enabled'] = isset($input['enabled']) && intval($input['enabled'] == 1) ? true : false;
$input['default'] = isset($input['default']) && intval($input['default'] == 1) ? true : false;
//process agent list
if (isset($input['agent_list']) && !is_array($input['agent_list'])) {
$agents = explode(PHP_EOL, $input['agent_list']);
} elseif (isset($input['agent_list'])) {
$agents = $input['agent_list'];
} else {
$agents = array();
}
$good_agents = array();
foreach ($agents as $agent) {
$good_agents[] = trim(sanitize_text_field($agent));
}
$input['agent_list'] = $good_agents;
//Process hosts list
if (isset($input['host_list']) && !is_array($input['host_list'])) {
$addresses = explode(PHP_EOL, $input['host_list']);
} elseif (isset($input['host_list'])) {
$addresses = $input['host_list'];
} else {
$addresses = array();
}
$bad_ips = array();
$white_ips = array();
$raw_ips = array();
foreach ($addresses as $index => $address) {
if (strlen(trim($address)) > 0) {
if (ITSEC_Lib::validates_ip_address($address) === false) {
$bad_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
}
if (!class_exists('ITSEC_Ban_Users')) {
require dirname(__FILE__) . '/class-itsec-ban-users.php';
}
if (ITSEC_Ban_Users::is_ip_whitelisted($address, NULL, true)) {
$white_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
}
$raw_ips[] = trim(filter_var($address, FILTER_SANITIZE_STRING));
} else {
unset($addresses[$index]);
}
}
$raw_ips = array_unique($raw_ips);
if (sizeof($bad_ips) > 0) {
$input['enabled'] = false;
//disable ban users list
$type = 'error';
if ($no_errors === true) {
$message = sprintf('%s<br /><br />', __('Note that the ban users feature has been disabled until the following errors are corrected:', 'it-l10n-better-wp-security'));
}
foreach ($bad_ips as $bad_ip) {
$message .= sprintf('%s %s<br />', $bad_ip, __('is not a valid address in the ban users box.', 'it-l10n-better-wp-security'));
}
add_settings_error('itsec', esc_attr('settings_updated'), $message, $type);
} else {
$no_errors = true;
}
if (sizeof($white_ips) > 0) {
$input['enabled'] = false;
//disable ban users list
$type = 'error';
if ($no_errors === true) {
$message = sprintf('%s<br /><br />', __('Note that the ban users feature has been disabled until the following errors are corrected:', 'it-l10n-better-wp-security'));
}
foreach ($white_ips as $white_ip) {
$message .= sprintf('%s %s<br />', $white_ip, __('is not a valid address as it has been white listed.', 'it-l10n-better-wp-security'));
}
add_settings_error('itsec', esc_attr('settings_updated'), $message, $type);
} else {
$no_errors = true;
}
$input['host_list'] = $raw_ips;
if ($no_errors === true) {
if (!isset($type) && ($input['host_list'] !== $this->settings['host_list'] || $input['enabled'] !== $this->settings['enabled'] || $input['default'] !== $this->settings['default'] || $input['agent_list'] !== $this->settings['agent_list']) || isset($itsec_globals['settings']['write_files']) && $itsec_globals['settings']['write_files'] === true) {
add_site_option('itsec_rewrites_changed', true);
}
}
if (is_multisite()) {
if (isset($type)) {
$error_handler = new WP_Error();
$error_handler->add($type, $message);
$this->core->show_network_admin_notice($error_handler);
} else {
$this->core->show_network_admin_notice(false);
}
$this->settings = $input;
}
return $input;
}
