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elementor-forms-blacklist.php
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elementor-forms-blacklist.php
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<?php
/*
Plugin Name: elementor forms blacklist
Plugin URI: https://witty-code.com
Description: Elementor form protection based on wordpress comments blacklist
Version: 1.0.0
Author: witty-code.com
Author URI: https://witty-code.com
Text Domain: efb
* Elementor tested up to: 3.7.4
* Elementor Pro tested up to: 3.7.5
*/
if( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
final class elementor_forms_blacklist_plugin {
const VERSION = '1.0.0';
const MINIMUM_ELEMENTOR_VERSION = '3.5.0';
const MINIMUM_PHP_VERSION = '7.4';
private static $_instance = null;
public static function instance() {
if ( is_null( self::$_instance ) ) {
self::$_instance = new self();
}
return self::$_instance;
}
public function __construct() {
if ( $this->is_compatible() ) {
add_action( 'elementor_pro/init', [ $this, 'init' ] );
}
}
public function is_compatible() {
// Check if Elementor installed and activated
if ( ! did_action( 'elementor/loaded' ) ) {
add_action( 'admin_notices', [ $this, 'admin_notice_missing_main_plugin' ] );
return false;
}
// Check for required Elementor version
if ( ! version_compare( ELEMENTOR_VERSION, self::MINIMUM_ELEMENTOR_VERSION, '>=' ) ) {
add_action( 'admin_notices', [ $this, 'admin_notice_minimum_elementor_version' ] );
return false;
}
// Check for required PHP version
if ( version_compare( PHP_VERSION, self::MINIMUM_PHP_VERSION, '<' ) ) {
add_action( 'admin_notices', [ $this, 'admin_notice_minimum_php_version' ] );
return false;
}
return true;
}
/**
* Admin notice
*
* Warning when the site doesn't have Elementor installed or activated.
*
* @since 1.0.0
* @access public
*/
public function admin_notice_missing_main_plugin() {
if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
$message = sprintf(
/* translators: 1: Plugin name 2: Elementor */
esc_html__( '"%1$s" requires "%2$s" to be installed and activated.', 'sender-for-elementor-forms' ),
'<strong>' . esc_html__( 'Sender For Elementor Forms', 'sender-for-elementor-forms' ) . '</strong>',
'<strong>' . esc_html__( 'Elementor', 'sender-for-elementor-forms' ) . '</strong>'
);
printf( '<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>', $message );
}
/**
* Admin notice
*
* Warning when the site doesn't have a minimum required Elementor version.
*
* @since 1.0.0
* @access public
*/
public function admin_notice_minimum_elementor_version() {
if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
$message = sprintf(
/* translators: 1: Plugin name 2: Elementor 3: Required Elementor version */
esc_html__( '"%1$s" requires "%2$s" version %3$s or greater.', 'sender-for-elementor-forms' ),
'<strong>' . esc_html__( 'Sender For Elementor Forms', 'sender-for-elementor-forms' ) . '</strong>',
'<strong>' . esc_html__( 'Elementor', 'sender-for-elementor-forms' ) . '</strong>',
self::MINIMUM_ELEMENTOR_VERSION
);
printf( '<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>', $message );
}
/**
* Admin notice
*
* Warning when the site doesn't have a minimum required PHP version.
*
* @since 1.0.0
* @access public
*/
public function admin_notice_minimum_php_version() {
if ( isset( $_GET['activate'] ) ) unset( $_GET['activate'] );
$message = sprintf(
/* translators: 1: Plugin name 2: PHP 3: Required PHP version */
esc_html__( '"%1$s" requires "%2$s" version %3$s or greater.', 'sender-for-elementor-forms' ),
'<strong>' . esc_html__( 'Sender For Elementor Forms', 'sender-for-elementor-forms' ) . '</strong>',
'<strong>' . esc_html__( 'PHP', 'sender-for-elementor-forms' ) . '</strong>',
self::MINIMUM_PHP_VERSION
);
printf( '<div class="notice notice-warning is-dismissible"><p>%1$s</p></div>', $message );
}
public function init() {
add_action( 'elementor_pro/forms/validation', function ( $record, $ajax_handler ) {
$ce = (int) class_exists('\ElementorPro\Core\Utils');
try{
$ip = \ElementorPro\Core\Utils::get_client_ip();
}
catch(Exception $e){
$ip = $e->getMessage();
}
// $disallowed_keys = get_option('blacklist_keys');
$disallowed_keys = get_option('disallowed_keys');
$disallowed_keys_array = explode( "\n", $disallowed_keys );
$disallowed_keys = implode( '|', $disallowed_keys_array );
if ( false != preg_match( '/'.$disallowed_keys.'/', $ip ) ) {
$ajax_handler->add_error( 'IP', 'You are not authorized to submit this form' );
}
$raw_fields = $record->get( 'fields' );
$fields = [];
foreach ( $raw_fields as $id => $field ) {
if ( false != preg_match( '/'.$disallowed_keys.'/', $field['value'] ) ) {
$ajax_handler->add_error( $field['id'], 'Invalid message' );
}
}
}, 10, 2 );
}
}
function elementor_forms_blacklist() {
// Run the plugin
elementor_forms_blacklist_plugin::instance();
}
add_action( 'plugins_loaded', 'elementor_forms_blacklist' );