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wordpress/php-fpm/wordpress_files/plugins/wp-cerber/admin/cerber-settings.php

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2020-05-22 03:40:23 +02:00
<?php
/*
Copyright (C) 2015-20 CERBER TECH INC., https://cerber.tech
Copyright (C) 2015-20 CERBER TECH INC., https://wpcerber.com
Licenced under the GNU GPL.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
*========================================================================*
| |
| ATTENTION! Do not change or edit this file! |
| |
*========================================================================*
*/
if ( ! defined( 'WPINC' ) || ! defined( 'CERBER_VER' ) ) {
exit;
}
// Cerber's settings form in the WP dashboard
// @since 8.5.9.1
define( 'CRB_SETTINGS_GROUP', 'cerber_settings_group' );
add_action( 'admin_init', 'cerber_admin_init' );
function cerber_admin_init() {
global $crb_assets_url, $crb_ajax_loader;
$crb_assets_url = cerber_plugin_dir_url() . 'assets/';
$crb_ajax_loader = $crb_assets_url . 'ajax-loader.gif';
if ( ! cerber_is_admin_page()
&& ! strpos( $_SERVER['REQUEST_URI'], '/options.php' )
&& ! nexus_is_valid_request() ) {
return;
}
cerber_wp_settings_setup( cerber_get_setting_id() );
if ( isset( $_POST[ CRB_SETTINGS_GROUP ] ) ) {
add_action( 'updated_option', function () {
crb_purge_settings_cache();
} );
}
if ( is_multisite() ) {
cerber_ms_update();
}
if ( cerber_is_http_post()
&& ! nexus_get_context() ) { // it's crucial
cerber_settings_update();
}
}
/**
* Configure WP Settings API stuff for a given admin page
*
* @since 7.9.7
*
* @param $screen_id string
* @param $sections array
*/
function cerber_wp_settings_setup( $screen_id, $sections = array() ) {
if ( ! $sections && ! $sections = cerber_settings_config( array( 'screen_id' => $screen_id ) ) ) {
return;
}
$option = 'cerber-' . $screen_id;
register_setting( 'cerberus-' . $screen_id, $option );
global $tmp;
foreach ( $sections as $section_id => $section_config ) {
//add_settings_section( $section, $section_config['name'], 'cerber_sapi_section', $option );
$desc = crb_array_get( $section_config, 'desc' );
if ( $link = crb_array_get( $section_config, 'doclink' ) ) {
$desc .= '.&nbsp; <a class="crb-no-wrap" target="_blank" href="' . $link . '">' . __( 'Know more', 'wp-cerber' ) . '</a>';
}
$tmp[ $section_id ] = '<span class="crb-section-desc">' . $desc . '</span>';
add_settings_section( $section_id, crb_array_get( $section_config, 'name', '' ), function ( $sec ) {
global $tmp;
if ( $tmp[ $sec['id'] ] ) {
echo $tmp[ $sec['id'] ];
}
}, $option );
foreach ( $section_config['fields'] as $field => $config ) {
if ( isset( $config['pro'] ) && ! lab_lab() ) {
continue;
}
$config['setting'] = $field;
$config['group'] = $screen_id;
if ( ! isset( $config['class'] ) ) {
$config['class'] = '';
}
if ( ! isset( $config['type'] ) ) {
$config['type'] = 'text';
}
if ( $config['type'] == 'hidden' ) {
$config['class'] .= ' crb-display-none';
}
// Enabling/disabling conditional inputs
$enabled = true;
if ( isset( $config['enabler'][0] ) ) {
$enab_val = crb_get_settings( $config['enabler'][0] );
if ( isset( $config['enabler'][1] ) ) {
if ( $enab_val != $config['enabler'][1] ) {
$enabled = false;
}
}
else {
if ( empty( $enab_val ) ) {
$enabled = false;
}
}
}
if ( ! $enabled ) {
$config['class'] .= ' crb-disable-this';
}
add_settings_field( $field, crb_array_get( $config, 'title', '' ), 'cerber_field_show', $option, $section_id, $config );
}
}
}
function cerber_get_setting_id( $tab = null ) {
$id = ( ! $tab ) ? cerber_get_get( 'tab', CRB_SANITIZE_ID ) : $tab;
if ( ! $id ) {
$id = cerber_get_wp_option_id();
}
if ( ! $id ) {
$id = crb_admin_get_page();
}
// Exceptions: some tab names (or page id) doesn't match WP setting names
// tab => settings id
$map = array(
'scan_settings' => 'scanner', // define('CERBER_OPT_S','cerber-scanner');
'scan_schedule' => 'schedule', // define('CERBER_OPT_E','cerber-schedule');
'scan_policy' => 'policies',
'ti_settings' => 'traffic',
'captcha' => 'recaptcha',
'cerber-recaptcha' => 'antispam',
'global_policies' => 'users',
'cerber-shield' => 'user_shield',
'cerber-nexus' => 'nexus-slave',
'nexus_slave' => 'nexus-slave',
);
crb_addon_settings_mapper( $map );
if ( isset( $map[ $id ] ) ) {
return $map[ $id ];
}
return $id;
}
/**
* Works when updating WP options
*
* @return bool|string
*/
function cerber_get_wp_option_id( $option_page = null ) {
if ( ! $option_page ) {
$option_page = crb_array_get( $_POST, 'option_page' );
}
if ( $option_page && ( 0 === strpos( $option_page, 'cerberus-' ) ) ) {
return substr( $option_page, 9 ); // 8 = length of 'cerberus-'
}
return false;
}
/*
* Display a settings form on an admin page
*
*/
function cerber_show_settings_form( $group = null ) {
$action = '';
if ( is_multisite() ) {
$action = ''; // Settings API doesn't work in multisite. Post data will be handled in the cerber_ms_update()
}
else {
if ( nexus_is_valid_request() ) {
//$action = cerber_admin_link();
}
else {
$action = 'options.php'; // Standard way
}
}
?>
<div class="crb-admin-form">
<form id="crb-form-<?php echo $group; ?>" class="crb-settings" method="post" action="<?php echo $action; ?>">
<?php
cerber_nonce_field( 'control', true );
settings_fields( 'cerberus-' . $group ); // option group name, the same as used in register_setting().
do_settings_sections( 'cerber-' . $group ); // the same as used in add_settings_section() $page
echo '<div style="padding-left: 220px">';
if ( $group == 'hardening' ) {
echo '<p><a href="' . cerber_admin_link( 'traffic', array( 'filter_wp_type' => 520 ) ) . '">View REST API requests</a> | <a href="' . cerber_admin_link( 'activity', array( 'filter_activity' => 70 ) ) . '">View denied REST API requests</a></p>';
}
//submit_button();
echo crb_admin_submit_button();
echo '</div>';
?>
<?php echo '<input type="hidden" name="' . CRB_SETTINGS_GROUP . '" value="' . $group . '">'; ?>
</form>
</div>
<?php
}
/**
* Generates HTML for a single input field on the settings page.
* Prepares values to display.
*
* @param $args
*/
function cerber_field_show( $args ) {
//$settings = get_site_option( 'cerber-' . $args['group'] );
$settings = crb_get_settings();
$pre = '';
$value = '';
$atts = '';
$label = crb_array_get( $args, 'label', '' );
if ( ! empty( $args['doclink'] ) ) {
$label .= '&nbsp; <a class="crb-no-wrap" target="_blank" href="' . $args['doclink'] . '">' . __( 'Know more', 'wp-cerber' ) . '</a>';
}
$placeholder = esc_attr( crb_array_get( $args, 'placeholder', '' ) );
if ( $placeholder ) {
$atts .= ' placeholder="' . $placeholder . '" ';
}
if ( isset( $args['disabled'] ) ) {
$atts .= ' disabled="disabled" ';
}
if ( isset( $args['required'] ) ) {
$atts .= ' required="required" ';
}
if ( isset( $args['value'] ) ) {
$value = $args['value'];
}
if ( isset( $args['setting'] ) ) {
if ( ! $value && isset( $settings[ $args['setting'] ] ) ) {
$value = $settings[ $args['setting'] ];
}
if ( ( $args['setting'] == 'loginnowp' || $args['setting'] == 'loginpath' ) && ! cerber_is_permalink_enabled() ) {
$atts .= ' disabled="disabled" ';
}
if ( $args['setting'] == 'loginpath' ) {
$pre = cerber_get_home_url() . '/';
$value = urldecode( $value );
}
}
$value = crb_attr_escape( $value );
if ( isset( $args['list'] ) ) {
$value = cerber_array2text( $value, $args['delimiter'] );
}
$name_prefix = 'cerber-' . $args['group'];
$name = $name_prefix . '[' . $args['setting'] . ']';
if ( isset( $args['id'] ) ) {
$id = $args['id'];
}
else {
$id = 'crb-input-' . $args['setting'];
}
$class = crb_array_get( $args, 'class', '' );
$data = '';
$ena = array();
if ( isset( $args['enabler'][0] ) ) {
$ena['enabler'] = 'crb-input-' . $args['enabler'][0];
//$data .= ' data-enabler="crb-input-' . $args['enabler'][0] . '" ';
}
if ( isset( $args['enabler'][1] ) ) {
$ena['enabler_value'] = $args['enabler'][1];
//$data .= ' data-enabler_value="' . $args['enabler'][1] . '" ';
}
if ( $ena ) {
foreach ( $ena as $att => $val ) {
$data .= ' data-' . $att . '="' . $val . '"';
}
}
switch ( $args['type'] ) {
case 'limitz':
$s1 = $args['group'] . '-period';
$s2 = $args['group'] . '-number';
$s3 = $args['group'] . '-within';
$html = sprintf( $label,
cerber_digi_field( $name_prefix . '[' . $s1 . ']', $settings[ $s1 ] ),
cerber_digi_field( $name_prefix . '[' . $s2 . ']', $settings[ $s2 ] ),
cerber_digi_field( $name_prefix . '[' . $s3 . ']', $settings[ $s3 ] ) );
break;
case 'attempts':
$html = sprintf( __( '%s retries are allowed within %s minutes', 'wp-cerber' ),
cerber_digi_field( $name_prefix . '[attempts]', $settings['attempts'] ),
cerber_digi_field( $name_prefix . '[period]', $settings['period'] ) );
break;
case 'reglimit':
$html = sprintf( __( '%s registrations are allowed within %s minutes from one IP address', 'wp-cerber' ),
cerber_digi_field( $name_prefix . '[reglimit_num]', $settings['reglimit_num'] ),
cerber_digi_field( $name_prefix . '[reglimit_min]', $settings['reglimit_min'], 4, 4 ) );
break;
case 'aggressive':
$html = sprintf( __( 'Increase lockout duration to %s hours after %s lockouts in the last %s hours', 'wp-cerber' ),
cerber_digi_field( $name_prefix . '[agperiod]', $settings['agperiod'] ),
cerber_digi_field( $name_prefix . '[aglocks]', $settings['aglocks'] ),
cerber_digi_field( $name_prefix . '[aglast]', $settings['aglast'] ) );
break;
case 'notify':
$html = '<label class="crb-switch"><input class="screen-reader-text" type="checkbox" id="' . $args['setting'] . '" name="cerber-' . $args['group'] . '[' . $args['setting'] . ']" value="1" ' . checked( 1, $value, false ) . $atts . ' /><span class="crb-slider round"></span></label>'
. __( 'Notify admin if the number of active lockouts above', 'wp-cerber' ) . ' ' .
cerber_digi_field( $name_prefix . '[above]', $settings['above'] ) .
' <span class="crb-no-wrap">[ <a href="' . cerber_admin_link_add( array(
'cerber_admin_do' => 'testnotify',
'type' => 'lockout',
) ) . '">' . __( 'Click to send test', 'wp-cerber' ) . '</a> ]</span>';
break;
case 'citadel':
$html = sprintf( __( 'Enable after %s failed login attempts in the last %s minutes', 'wp-cerber' ),
cerber_digi_field( $name_prefix . '[cilimit]', $settings['cilimit'] ),
cerber_digi_field( $name_prefix . '[ciperiod]', $settings['ciperiod'] ) . '<i ' . $data . '></i>' );
break;
case 'checkbox':
$html = '<div style="display: table-cell;"><label class="crb-switch"><input class="screen-reader-text" type="checkbox" id="' . $id . '" name="' . $name . '" value="1" ' . checked( 1, $value, false ) . $atts . ' /><span class="crb-slider round"></span></label></div>';
$html .= '<div style="display: table-cell;"><label for="' . $args['setting'] . '">' . $label . '</label></div><i ' . $data . '></i>';
break;
case 'textarea':
$html = '<textarea class="large-text code" id="' . $id . '" name="' . $name . '" ' . $atts . $data . '>' . $value . '</textarea>';
$html .= '<br/><label class="crb-below" for="' . $args['setting'] . '">' . $label . '</label>';
break;
case 'select':
$html = cerber_select( $name, $args['set'], $value, $class, $id, '', $placeholder, $ena );
//$html .= '<span class="">' . $label . '</span>';
$html .= '<br/><label class="crb-below">' . $label . '</label>';
break;
case 'role_select':
if ( $label ) {
$label = '<p class="crb-label-above"><label for="' . $name . '">' . $label . '</label></p>';
}
$html = $label . '<div class="crb-select2-multi">' . cerber_role_select( $name . '[]', $value, '', true, '' ) . '<i ' . $data . '></i></div>';
break;
case 'checkbox_set':
if ( $label ) {
$label = '<p class="crb-label-above"><label for="' . $name . '">' . $label . '</label></p>';
}
$html = '<div class="crb-checkbox_set" style="line-height: 2em;" ' . $data . '>' . $label;
foreach ( $args['set'] as $key => $item ) {
$v = ( ! empty( $value[ $key ] ) ) ? $value[ $key ] : 0;
$html .= '<input type="checkbox" value="1" name="' . $name . '[' . $key . ']" ' . checked( 1, $v, false ) . $atts . '/>' . $item . '<br />';
}
$html .= '</div>';
break;
case 'reptime':
$html = cerber_time_select( $args, $settings ) . '<i ' . $data . '></i>';
break;
case 'timepicker':
$html = '<input class="crb-tpicker" type="text" size="7" id="' . $args['setting'] . '" name="' . $name . '" value="' . $value . '"' . $atts . '/>';
$html .= ' <label for="' . $args['setting'] . '">' . $label . '</label>';
break;
case 'hidden':
$html = '<input type="hidden" id="' . $args['setting'] . '" class="crb-hidden-field" name="' . $name . '" value="' . $value . '" />';
break;
case 'text':
default:
$type = crb_array_get( $args, 'type', 'text' );
if ( in_array( $type, array( 'url', 'number', 'email' ) ) ) {
$input_type = $type;
}
else {
$input_type = 'text';
}
$size = '';
$class = '';
if ( $type == 'digits' ) {
$size = '3';
$class = 'crb-digits';
}
$size = crb_array_get( $args, 'size', $size );
$maxlength = crb_array_get( $args, 'maxlength', $size );
if ( $maxlength ) {
$maxlength = ' maxlength="' . $maxlength . '" ';
}
elseif ( $size ) {
$maxlength = ' maxlength="' . $size . '" ';
}
if ( $size ) {
$size = ' size="' . $size . '"';
}
else {
$class = 'crb-wide';
}
if ( isset( $args['pattern'] ) ) {
$atts .= ' pattern="' . $args['pattern'] . '"';
}
if ( isset( $args['attr'] ) ) {
foreach ( $args['attr'] as $at_name => $at_value ) {
$atts .= ' ' . $at_name . ' ="' . $at_value . '" ';
}
}
else {
if ( isset( $args['title'] ) ) {
$atts .= ' title="' . $args['title'] . '"';
}
}
$html = $pre . '<input type="' . $input_type . '" id="' . $args['setting'] . '" name="' . $name . '" value="' . $value . '"' . $atts . ' class="' . $class . '" ' . $size . $maxlength . $atts . $data . ' />';
if ( ! $size || crb_array_get( $args, 'label_pos' ) == 'below' ) {
$label = '<br/><label class="crb-below" for="' . $args['setting'] . '">' . $label . '</label>';
}
else {
$label = ' <label for="' . $args['setting'] . '">' . $label . '</label>';
}
$html .= $label;
break;
}
if ( ! empty( $args['enabled'] ) ) {
$name = 'cerber-' . $args['group'] . '[' . $args['setting'] . '-enabled]';
$value = 0;
if ( isset( $settings[ $args['setting'] . '-enabled' ] ) ) {
$value = $settings[ $args['setting'] . '-enabled' ];
}
$checkbox = '<label class="crb-switch"><input class="screen-reader-text" type="checkbox" id="' . $args['setting'] . '-enabled" name="' . $name . '" value="1" ' . checked( 1, $value, false ) . ' /><span class="crb-slider round"></span></label>' . $args['enabled'];
$html = $checkbox . ' ' . $html;
}
echo $html . "\n";
}
function cerber_role_select( $name = 'cerber-roles', $selected = array(), $class = '', $multiple = '', $placeholder = '', $width = '70%' ) {
if ( ! is_array( $selected ) ) {
$selected = array( $selected );
}
if ( ! $placeholder ) {
$placeholder = __( 'Select one or more roles', 'wp-cerber' );
}
$roles = wp_roles();
$options = array();
foreach ( $roles->get_names() as $key => $title ) {
$s = ( in_array( $key, $selected ) ) ? 'selected' : '';
$options[] = '<option value="' . $key . '" ' . $s . '>' . $title . '</option>';
}
$m = ( $multiple ) ? 'multiple="multiple"' : '';
// Setting width via class is not working
$style = '';
if ( $width ) {
$style = 'width: ' . $width.';';
}
return ' <select style="' . $style . '" name="' . $name . '" class="crb-select2 ' . $class . '" ' . $m . ' data-placeholder="' . $placeholder . '" data-allow-clear="true">' . implode( "\n", $options ) . '</select>';
}
function cerber_time_select($args, $settings){
// Week
$php_week = array(
__( 'Sunday' ),
__( 'Monday' ),
__( 'Tuesday' ),
__( 'Wednesday' ),
__( 'Thursday' ),
__( 'Friday' ),
__( 'Saturday' ),
);
$field = $args['setting'].'-day';
if (isset($settings[ $field ])) {
$selected = $settings[ $field ];
}
else {
$selected = '';
}
$ret = cerber_select( 'cerber-' . $args['group'] . '[' . $field . ']', $php_week, $selected );
$ret .= ' &nbsp; ' . _x( 'at', 'preposition of time like: at 11:00', 'wp-cerber' ) . ' &nbsp; ';
// Hours
$hours = array();
for ( $i = 0; $i <= 23; $i ++ ) {
$hours[] = str_pad( $i, 2, '0', STR_PAD_LEFT ) . ':00';
}
$field = $args['setting'] . '-time';
if ( isset( $settings[ $field ] ) ) {
$selected = $settings[ $field ];
}
else {
$selected = '';
}
$ret .= cerber_select( 'cerber-' . $args['group'] . '[' . $field . ']', $hours, $selected );
return $ret . ' &nbsp; <span class="crb-no-wrap">[ <a href="' . cerber_admin_link_add( array(
'cerber_admin_do' => 'testnotify',
'type' => 'report',
) ) . '">' . __( 'Click to send now', 'wp-cerber' ) . '</a> ]</span>';
}
function cerber_checkbox( $name, $value, $label = '', $id = '', $atts = '' ) {
if ( ! $id ) {
$id = 'crb-input-' . $name;
}
return '<div style="display: table-cell;"><label class="crb-switch"><input class="screen-reader-text" type="checkbox" id="' . $id . '" name="' . $name . '" value="1" ' . checked( 1, $value, false ) . $atts . ' /><span class="crb-slider round"></span></label></div>
<div style="display: table-cell;"><label for="' . $id . '">' . $label . '</label></div>';
}
function cerber_digi_field( $name, $value = '', $size = '3', $maxlength = '3', $id = '' ) {
return cerber_txt_field( $name, $value, $id, $size, $maxlength, '\d+', 'crb-digits' );
}
function cerber_txt_field( $name, $value = '', $id = '', $size = '', $maxlength = '', $pattern = '', $class = '' ) {
$atts = '';
if ( $id ) {
$atts .= ' id="' . $id . '" ';
}
if ( $class ) {
$atts .= ' class="' . $class . '" ';
}
if ( $size ) {
$atts .= ' size="' . $size . '" ';
}
if ( $maxlength ) {
$atts .= ' maxlength="' . $maxlength . '" ';
}
if ( $pattern ) {
$atts .= ' pattern="' . $pattern . '" ';
}
return '<input type="text" name="' . $name . '" value="' . $value . '" ' . $atts . ' />';
}
function cerber_nonce_field( $action = 'control', $echo = false ) {
$sf = '';
if ( nexus_is_valid_request() ) {
$sf = '<input type="hidden" name="cerber_nexus_seal" value="' . nexus_request_data()->seal . '">';
}
$nf = wp_nonce_field( $action, 'cerber_nonce', false, false );
if ( ! $echo ) {
return $nf . $sf;
}
echo $nf . $sf;
}
function crb_admin_submit_button( $text = '', $echo = false ) {
if ( ! $text ) {
$text = __( 'Save Changes' );
}
$d = '';
$hint = '';
if ( nexus_is_valid_request() && ! nexus_is_granted( 'submit' ) ) {
$d = 'disabled="disabled"';
$hint = ' not available in the read-only mode';
}
$html = '<p class="submit"><input ' . $d . ' type="submit" name="submit" id="submit" class="button button-primary" value="' . $text . '" /> ' . $hint . '</p>';
if ( $echo ) {
echo $echo;
}
return $html;
}
/*
Sanitizing users input for Main Settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT, function ($new, $old, $option) {
$ret = cerber_set_boot_mode( $new['boot-mode'], $old['boot-mode'] );
if ( is_wp_error( $ret ) ) {
cerber_admin_notice( __( 'ERROR:', 'wp-cerber' ) . ' ' . $ret->get_error_message() );
cerber_admin_notice( __( 'Plugin initialization mode has not been changed', 'wp-cerber' ) );
$new['boot-mode'] = $old['boot-mode'];
}
$new['attempts'] = absint( $new['attempts'] );
$new['period'] = absint( $new['period'] );
$new['lockout'] = absint( $new['lockout'] );
$new['agperiod'] = absint( $new['agperiod'] );
$new['aglocks'] = absint( $new['aglocks'] );
$new['aglast'] = absint( $new['aglast'] );
if ( cerber_is_permalink_enabled() ) {
$new['loginpath'] = urlencode( str_replace( '/', '', $new['loginpath'] ) );
$new['loginpath'] = sanitize_text_field( $new['loginpath'] );
if ( $new['loginpath'] ) {
if ( $new['loginpath'] == 'wp-admin'
|| preg_match( '/[#|\.\!\?\:\s]/', $new['loginpath'] ) ) {
cerber_admin_notice( __( 'ERROR:', 'wp-cerber' ) . ' You may not set this value for Custom login URL. Please specify another one.' );
$new['loginpath'] = $old['loginpath'];
}
elseif ( $new['loginpath'] != $old['loginpath'] ) {
$href = cerber_get_home_url() . '/' . $new['loginpath'] . '/';
$url = urldecode( $href );
$msg = array();
$msg_e = array();
$msg[] = __( 'Attention! You have changed the login URL! The new login URL is', 'wp-cerber' ) . ': <a href="' . $href . '">' . $url . '</a>';
$msg_e[] = __( 'Attention! You have changed the login URL! The new login URL is', 'wp-cerber' ) . ': ' . $url;
$msg[] = __( 'If you use a caching plugin, you have to add your new login URL to the list of pages not to cache.', 'wp-cerber' );
$msg_e[] = __( 'If you use a caching plugin, you have to add your new login URL to the list of pages not to cache.', 'wp-cerber' );
cerber_admin_notice( $msg );
cerber_send_email( 'newlurl', $msg_e );
}
}
}
else {
$new['loginpath'] = '';
$new['loginnowp'] = 0;
}
$new['ciduration'] = absint( $new['ciduration'] );
$new['cilimit'] = absint( $new['cilimit'] );
$new['cilimit'] = $new['cilimit'] == 0 ? '' : $new['cilimit'];
$new['ciperiod'] = absint( $new['ciperiod'] );
$new['ciperiod'] = $new['ciperiod'] == 0 ? '' : $new['ciperiod'];
if ( ! $new['cilimit'] ) {
$new['ciperiod'] = '';
}
if ( ! $new['ciperiod'] ) {
$new['cilimit'] = '';
}
$new['keeplog'] = absint( $new['keeplog'] );
if ( $new['keeplog'] == 0 ) {
$new['keeplog'] = 1;
}
if ( $new['cookiepref'] != $old['cookiepref'] ) {
crb_update_cookie_dependent();
}
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for User tab settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_U, function ($new, $old, $option) {
$new['prohibited'] = cerber_text2array($new['prohibited'], ',', 'strtolower');
$new['emlist'] = cerber_text2array($new['emlist'], ',', 'strtolower');
$new['authonlymsg'] = strip_tags( $new['authonlymsg'] );
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for anti-spam tab settings
*/
add_filter( 'pre_update_option_' . CERBER_OPT_A, function ( $new, $old, $option ) {
$new['botswhite'] = cerber_text2array( $new['botswhite'], "\n" );
if ( empty( $new['botsany'] ) && empty( $new['botscomm'] ) && empty( $new['botsreg'] ) ) {
update_site_option( 'cerber-antibot', '' );
}
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for reCAPTCHA tab settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_C, function ($new, $old, $option) {
global $wp_cerber;
// Check ability to make external HTTP requests
if ($wp_cerber && !empty($new['sitekey']) && !empty($new['secretkey'])) {
if (!$goo = $wp_cerber->reCaptchaRequest('1')) {
$labels = cerber_get_labels( 'activity' );
cerber_admin_notice( __( 'ERROR:', 'wp-cerber' ) . ' ' . $labels[42] );
cerber_log( 42 );
}
}
$new['recaptcha-period'] = absint( $new['recaptcha-period'] );
$new['recaptcha-number'] = absint( $new['recaptcha-number'] );
$new['recaptcha-within'] = absint( $new['recaptcha-within'] );
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for Notifications tab settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_N, function ($new, $old, $option) {
$emails = cerber_text2array( $new['email'], ',' );
$new['email'] = array();
foreach ( $emails as $item ) {
if ( is_email( $item ) ) {
$new['email'][] = $item;
}
else {
cerber_admin_notice( __( '<strong>ERROR</strong>: please enter a valid email address.' ) );
}
}
$emails = cerber_text2array( $new['email-report'], ',' );
$new['email-report'] = array();
foreach ( $emails as $item ) {
if ( is_email( $item ) ) {
$new['email-report'][] = $item;
}
else {
cerber_admin_notice( __( '<strong>ERROR</strong>: please enter a valid email address.' ) );
}
}
$new['emailrate'] = absint( $new['emailrate'] );
// set 'default' value for the device setting if a new token has been entered
if ( $new['pbtoken'] != $old['pbtoken'] ) {
$list = cerber_pb_get_devices($new['pbtoken']);
if (is_array($list) && !empty($list)) $new['pbdevice'] = 'all';
else $new['pbdevice'] = '';
}
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for Hardening tab settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_H, function ($new, $old, $option) {
$new['restwhite'] = cerber_text2array( $new['restwhite'], "\n", function ( $v ) {
$v = preg_replace( '/[^a-z_\-\d\/]/i', '', $v );
return trim( $v, '/' );
} );
/*if ( empty( $new['adminphp'] ) ) {
$new['adminphp'] = 0;
}
if ( ! isset( $old['adminphp'] ) ) {
$old['adminphp'] = '';
}*/
//if ( $new['adminphp'] != $old['adminphp'] ) {
$result = cerber_htaccess_sync( 'main', $new );
if ( is_wp_error( $result ) ) {
$new['adminphp'] = $old['adminphp'];
cerber_admin_notice( $result->get_error_message() );
}
//}
/*if ( ! isset( $old['phpnoupl'] ) ) {
$old['phpnoupl'] = '';
}*/
//if ( $new['phpnoupl'] != $old['phpnoupl'] ) {
$result = cerber_htaccess_sync( 'media', $new );
if ( is_wp_error( $result ) ) {
$new['phpnoupl'] = $old['phpnoupl'];
cerber_admin_notice( $result->get_error_message() );
}
//}
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for Traffic Inspector tab settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_T, function ($new, $old, $option) {
$new['tiwhite'] = cerber_text2array( $new['tiwhite'], "\n" );
foreach ( $new['tiwhite'] as $item ) {
if ( strrpos( $item, '?' ) ) {
cerber_admin_notice( 'You may not specify the query string with a question mark: ' . htmlspecialchars( $item ) );
}
if ( strrpos( $item, '://' ) ) {
cerber_admin_notice( 'You may not specify the full URL: ' . htmlspecialchars( $item ) );
}
}
$new['timask'] = cerber_text2array( $new['timask'], "," );
if ( $new['tithreshold'] ) {
$new['tithreshold'] = absint( $new['tithreshold'] );
}
$new['tikeeprec'] = absint( $new['tikeeprec'] );
if ( $new['tikeeprec'] == 0 ) {
$new['tikeeprec'] = 1;
cerber_admin_notice( 'You may not set <b>Keep records for</b> to 0 days. To completely disable logging set <b>Logging mode</b> to Logging disabled.' );
}
return $new;
}, 10, 3 );
add_filter( 'pre_update_option_' . CERBER_OPT_US, function ( $new, $old, $option ) {
if ( ! empty( $new['ds_4acc'] ) ) {
CRB_DS::enable_shadowing( 1 );
}
else {
CRB_DS::disable_shadowing( 1 );
}
if ( ! empty( $new['ds_4roles'] ) ) {
CRB_DS::enable_shadowing( 2 );
}
else {
CRB_DS::disable_shadowing( 2 );
}
return $new;
}, 10, 3 );
add_filter( 'pre_update_option_' . CERBER_OPT_OS, function ( $new, $old, $option ) {
if ( ! empty( $new['ds_4opts'] ) ) {
CRB_DS::enable_shadowing( 3 );
}
else {
CRB_DS::disable_shadowing( 3 );
}
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for Security Scanner settings
*/
add_filter( 'pre_update_option_' . CERBER_OPT_S, function ( $new, $old, $option ) {
$new['scan_exclude'] = cerber_normal_dirs( $new['scan_exclude'] );
$new['scan_cpt'] = cerber_text2array( $new['scan_cpt'], "\n" );
$new['scan_uext'] = cerber_text2array( $new['scan_uext'], ",", function ( $ext ) {
$ext = strtolower( trim( $ext, '. *' ) );
if ( $ext == 'php' || $ext == 'js' || $ext == 'css' || $ext == 'txt' ) {
$ext = '';
}
return $ext;
} );
return $new;
}, 10, 3 );
/*
Sanitizing/checking user input for Scanner Schedule settings
*/
add_filter( 'pre_update_option_' . CERBER_OPT_E, function ( $new, $old, $option ) {
$new['scan_aquick'] = absint( $new['scan_aquick'] );
$new['scan_afull-enabled'] = ( empty( $new['scan_afull-enabled'] ) ) ? 0 : 1;
$sec = cerber_sec_from_time( $new['scan_afull'] );
if ( ! $sec || ! ( $sec >= 0 && $sec <= 86400 ) ) {
$new['scan_afull'] = '01:00';
}
$emails = cerber_text2array( $new['email-scan'], ',' );
$new['email-scan'] = array();
foreach ( $emails as $item ) {
if ( is_email( $item ) ) {
$new['email-scan'][] = $item;
}
else {
cerber_admin_notice( __( '<strong>ERROR</strong>: please enter a valid email address.' ) );
}
}
if ( lab_lab() ) {
if ( cerber_cloud_sync( $new ) ) {
cerber_admin_message( __( 'The schedule has been updated', 'wp-cerber' ) );
}
else {
cerber_admin_message( __( 'Unable to update the schedule', 'wp-cerber' ) );
}
}
return $new;
}, 10, 3 );
add_filter( 'pre_update_option_' . CERBER_OPT_P, function ( $new, $old, $option ) {
$new['scan_delexdir'] = cerber_normal_dirs($new['scan_delexdir']);
$new['scan_delexext'] = cerber_text2array( $new['scan_delexext'], ",", function ( $ext ) {
$ext = strtolower( trim( $ext, '. *' ) );
return $ext;
} );
return $new;
}, 10, 3 );
/**
* Let's sanitize and normalize them all
* @since 4.1
*
*/
add_filter( 'pre_update_option', 'cerber_o_o_sanitizer', 10, 3 );
function cerber_o_o_sanitizer( $value, $option, $old_value ) {
if ( in_array( $option, cerber_get_setting_list() ) ) {
if ( is_array( $value ) ) {
array_walk_recursive( $value, function ( &$element, $key ) {
if ( ! is_array( $element ) ) {
$element = sanitize_text_field( (string) $element );
}
} );
}
else {
$value = sanitize_text_field( (string) $value );
}
$value = cerber_normalize( $value, $option );
}
return $value;
}
function cerber_normal_dirs( $list = array() ) {
if ( ! is_array( $list ) ) {
$list = cerber_text2array( $list, "\n" );
}
$ready = array();
foreach ( $list as $item ) {
$item = rtrim( cerber_normal_path( $item ), '/\\' ) . DIRECTORY_SEPARATOR;
if ( ! @is_dir( $item ) ) {
$dir = cerber_get_abspath() . ltrim( $item, DIRECTORY_SEPARATOR );
if ( ! @is_dir( $dir ) ) {
cerber_admin_notice( 'Directory does not exist: ' . htmlspecialchars( $item ) );
continue;
}
$item = $dir;
}
$ready[] = $item;
}
return $ready;
}
/*
* Save settings on the multisite WP.
* Process POST Form for settings screens.
* Because Settings API doesn't work in multisite mode!
*
*/
function cerber_ms_update() {
if ( ! cerber_is_http_post() || ! isset( $_POST['action'] ) || $_POST['action'] != 'update' ) {
return;
}
if ( ! $wp_id = cerber_get_wp_option_id() ) { // 7.9.7
return;
}
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
// See wp_nonce_field() in the settings_fields() function
check_admin_referer($_POST['option_page'].'-options');
$opt_name = 'cerber-' . $wp_id;
$old = (array) get_site_option( $opt_name );
$new = $_POST[ $opt_name ];
$new = apply_filters( 'pre_update_option_' . $opt_name, $new, $old, $opt_name );
$new = cerber_normalize( $new, $opt_name ); // @since 8.5.1
cerber_update_site_option( $opt_name, $new );
}
/**
* A an intermediate level for update_site_option() for Cerber's settings.
* Goal: have a more granular control over processing settings.
*
* @since 8.5.9.1
*
* @param string $option_name
* @param $value
*
* @return bool
*/
function cerber_update_site_option( $option_name, $value ) {
$result = update_site_option( $option_name, $value );
cerber_settings_update();
crb_purge_settings_cache();
return $result;
}
/**
* Updates Cerber's settings in a new way
*
* @since 8.6
*
*/
function cerber_settings_update() {
if ( ! cerber_is_http_post()
|| ! $group = crb_get_post_fields( CRB_SETTINGS_GROUP ) ) {
return;
}
// We do not process some specific cases - not a real settings form
if ( defined( 'CRB_NX_SLAVE' ) && $group == CRB_NX_SLAVE ) {
return;
}
if ( ! $remote = nexus_is_valid_request() ) {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
// See wp_nonce_field() in the settings_fields() function
check_admin_referer( $_POST['option_page'] . '-options' );
}
$sections = cerber_settings_config( array( 'screen_id' => $group ));
$fields = array();
foreach ( $sections as $sec ) {
if ( $fls = crb_array_get( $sec, 'fields' ) ) {
$fields = array_merge( $fields, array_keys( $fls ) );
}
}
$fields = array_fill_keys( $fields, '' );
$post_fields = crb_get_post_fields( 'cerber-' . $group, array() );
crb_trim_deep( $post_fields );
$post_fields = stripslashes_deep( $post_fields );
crb_sanitize_deep( $post_fields ); // removes all tags
$new_settings = array_merge( $fields, $post_fields );
if ( ( ! $old_settings = get_site_option( CERBER_CONFIG ) )
|| ! is_array( $old_settings ) ) {
$old_settings = array();
}
$settings = array_merge( $old_settings, $new_settings );
if ( serialize( $settings ) !== serialize( $old_settings ) ) {
$result = update_site_option( CERBER_CONFIG, $settings );
$equal = false;
}
else {
$result = false;
$equal = true;
}
crb_event_handler( 'update_settings', array(
'group' => $group,
'new_values' => $new_settings,
'equal' => $equal,
'result' => $result,
'remote' => $remote
) );
}
/**
* Escaping attributes (values) for forms
*
* @param array|string $value
*
* @return array|string
*/
function crb_attr_escape( $value ) {
if ( is_array( $value ) ) {
array_walk_recursive( $value, function ( &$element ) {
$element = crb_escape( $element );
} );
}
else {
$value = crb_escape( $value );
}
return $value;
}
/**
* Helper
*
* @param string $val
*
* @return string Escaped string
*/
function crb_escape( $val ) {
if ( ! $val
|| is_numeric( $val ) ) {
return $val;
}
// the same way as in esc_attr();
return _wp_specialchars( $val, ENT_QUOTES );
}
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