<?php
/**
* A helper class for recaptcha.
*
* @package fusion-builder
* @since 3.10
*/
if ( ! class_exists( 'AWB_Recaptcha_Helper' ) ) {
/**
* Shortcode class.
*
* @since 3.10
*/
class AWB_Recaptcha_Helper {
/**
* Class instance.
*
* @static
* @access private
* @var object
* @since 3.10.0
*/
private static $instance;
/**
* Constructor.
*
* @access public
* @since 3.10
*/
public function __construct() {
}
/**
* Render recaptcha field html.
*
* @access public
* @param array $args params.
* @since 3.10
* @return void
*/
public static function render_field( $args = [] ) {
$fusion_settings = awb_get_fusion_settings();
$defaults = [
'color_theme' => $fusion_settings->get( 'recaptcha_color_scheme' ),
'badge_position' => $fusion_settings->get( 'recaptcha_badge_position' ),
'tab_index' => '',
'counter' => 1,
'element' => 'form',
'wrapper_class' => 'form-creator-recaptcha',
];
$args = wp_parse_args( $args, $defaults );
?>
<?php if ( $fusion_settings->get( 'recaptcha_public' ) && $fusion_settings->get( 'recaptcha_private' ) ) : ?>
<?php if ( 'v2' === $fusion_settings->get( 'recaptcha_version' ) ) : ?>
<div class="<?php echo esc_attr( $args['wrapper_class'] ); ?>">
<div
id="g-recaptcha-id-<?php echo esc_attr( $args['element'] . '-' . $args['counter'] ); ?>"
class="awb-recaptcha-v2 fusion-<?php echo esc_attr( $args['element'] ); ?>-recaptcha-v2"
data-theme="<?php echo esc_attr( $args['color_theme'] ); ?>"
data-sitekey="<?php echo esc_attr( $fusion_settings->get( 'recaptcha_public' ) ); ?>"
data-tabindex="<?php echo esc_attr( $args['tab_index'] ); ?>">
</div>
</div>
<?php else : ?>
<?php $hide_badge_class = 'hide' === $args['badge_position'] ? ' fusion-form-hide-recaptcha-badge' : ''; ?>
<?php if ( 'hide' !== $args['badge_position'] ) { ?>
<div class="<?php echo esc_attr( $args['wrapper_class'] ); ?>">
<?php } ?>
<div
id="g-recaptcha-id-<?php echo esc_attr( $args['element'] . '-' . $args['counter'] ); ?>"
class="fusion-<?php echo esc_attr( $args['element'] ); ?>-recaptcha-v3 recaptcha-container <?php echo esc_attr( $hide_badge_class ); ?>"
data-sitekey="<?php echo esc_attr( $fusion_settings->get( 'recaptcha_public' ) ); ?>"
data-badge="<?php echo esc_attr( $args['badge_position'] ); ?>">
</div>
<input
type="hidden"
name="fusion-<?php echo esc_attr( $args['element'] ); ?>-recaptcha-response"
class="g-recaptcha-response"
id="fusion-<?php echo esc_attr( $args['element'] ); ?>-recaptcha-response-<?php echo esc_attr( $args['counter'] ); ?>"
value="">
<?php if ( 'hide' !== $args['badge_position'] ) { ?>
</div>
<?php } ?>
<?php endif; ?>
<?php elseif ( is_user_logged_in() && current_user_can( 'manage_options' ) ) : ?>
<div class="fusion-builder-placeholder"><?php echo esc_html__( 'reCAPTCHA configuration error. Please check the Global Options settings and your reCAPTCHA account settings.', 'fusion-builder' ); ?></div>
<?php endif; ?>
<?php
}
/**
* Verify recaptcha.
*
* @static
* @access public
* @since 3.10
* @return array
*/
public static function verify() {
$fusion_settings = awb_get_fusion_settings();
$response = [
'has_error' => false,
'message' => '',
];
// For old PHP versions.
if ( version_compare( PHP_VERSION, '5.3' ) >= 0 && ! class_exists( 'ReCaptcha' ) ) {
require_once FUSION_LIBRARY_PATH . '/inc/recaptcha/src/autoload.php';
// We use a wrapper class to avoid fatal errors due to syntax differences on PHP 5.2.
require_once FUSION_LIBRARY_PATH . '/inc/recaptcha/class-fusion-recaptcha.php';
}
// Instantiate recaptcha.
$re_captcha_wrapper = new Fusion_ReCaptcha( $fusion_settings->get( 'recaptcha_private' ) );
$re_captcha = $re_captcha_wrapper->recaptcha;
if ( $re_captcha && isset( $_POST['g-recaptcha-response'] ) && ! empty( $_POST['g-recaptcha-response'] ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput, WordPress.Security.NonceVerification
$re_captcha_response = null;
// Was there a reCAPTCHA response.
$post_recaptcha_response = ( isset( $_POST['g-recaptcha-response'] ) ) ? trim( wp_unslash( $_POST['g-recaptcha-response'] ) ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput, WordPress.Security.NonceVerification
$server_remote_addr = ( isset( $_SERVER['REMOTE_ADDR'] ) ) ? trim( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput, WordPress.Security.NonceVerification
if ( 'v2' === $fusion_settings->get( 'recaptcha_version' ) ) {
$re_captcha_response = $re_captcha->verify( $post_recaptcha_response, $server_remote_addr );
} else {
$site_url = get_option( 'siteurl' );
$url_parts = wp_parse_url( $site_url );
$site_url = isset( $url_parts['host'] ) ? $url_parts['host'] : $site_url;
$re_captcha_response = $re_captcha->setExpectedHostname( apply_filters( 'avada_recaptcha_hostname', $site_url ) )->setExpectedAction( 'contact_form' )->setScoreThreshold( $fusion_settings->get( 'recaptcha_score' ) )->verify( $post_recaptcha_response, $server_remote_addr );
}
// Check the reCAPTCHA response.
if ( null === $re_captcha_response || ! $re_captcha_response->isSuccess() ) {
$response = [
'has_error' => true,
'message' => __( 'Sorry, ReCaptcha could not verify that you are a human. Please try again.', 'fusion-builder' ),
];
$error_codes = [];
if ( null !== $re_captcha_response ) {
$error_codes = $re_captcha_response->getErrorCodes();
}
if ( empty( $error_codes ) || in_array( 'score-threshold-not-met', $error_codes, true ) ) {
$response = [
'has_error' => true,
'message' => __( 'Sorry, ReCaptcha could not verify that you are a human. Please try again.', 'fusion-builder' ),
];
}
}
} else {
$response = [
'has_error' => true,
'message' => __( 'Sorry, ReCaptcha could not verify that you are a human. Please try again.', 'fusion-builder' ),
];
}
return $response;
}
/**
* Sets the necessary scripts.
*
* @access public
* @since 3.10
*/
public static function enqueue_scripts() {
// Add reCAPTCHA script.
$fusion_settings = awb_get_fusion_settings();
if ( $fusion_settings->get( 'recaptcha_public' ) && $fusion_settings->get( 'recaptcha_private' ) && ! function_exists( 'recaptcha_get_html' ) && ! class_exists( 'ReCaptcha' ) ) {
$recaptcha_script_uri = 'https://www.google.com/recaptcha/api.js?render=explicit&hl=' . get_locale() . '&onload=fusionOnloadCallback';
if ( 'v2' === $fusion_settings->get( 'recaptcha_version' ) ) {
$recaptcha_script_uri = 'https://www.google.com/recaptcha/api.js?hl=' . get_locale();
}
wp_enqueue_script( 'recaptcha-api', $recaptcha_script_uri, [], FUSION_BUILDER_VERSION, false );
// Inline JS to render reCaptcha.
add_action( 'wp_footer', [ self::get_instance(), 'recaptcha_callback' ], 99 );
}
}
/**
* Generate reCaptcha callback
*
* @access public
* @since 3.10
*/
public static function recaptcha_callback() {
$fusion_settings = awb_get_fusion_settings();
?>
<script type='text/javascript'>
<?php if ( 'v2' === $fusion_settings->get( 'recaptcha_version' ) ) { ?>
jQuery( window ).on( 'load', function() {
var reCaptchaID;
jQuery.each( jQuery( '.awb-recaptcha-v2' ), function( index, reCaptcha ) { // eslint-disable-line no-unused-vars
reCaptchaID = jQuery( this ).attr( 'id' );
grecaptcha.render( reCaptchaID, {
sitekey: jQuery( this ).data( 'sitekey' ),
type: jQuery( this ).data( 'type' ),
theme: jQuery( this ).data( 'theme' )
} );
} );
});
<?php } else { ?>
var active_captcha = [];
var fusionOnloadCallback = function () {
grecaptcha.ready( function () {
jQuery( '.g-recaptcha-response' ).each( function () {
var $el = jQuery( this ),
$container = $el.parent().find( 'div.recaptcha-container' ),
id = $container.attr( 'id' ),
renderId;
if ( 0 === $container.length || 'undefined' !== typeof active_captcha[ id ] || ( 1 === jQuery( '.fusion-modal' ).find( $container ).length && $container.closest( '.fusion-modal' ).is( ':hidden' ) ) ) {
return;
}
renderId = grecaptcha.render(
id,
{
sitekey: $container.data( 'sitekey' ),
badge: $container.data( 'badge' ),
size: 'invisible'
}
);
active_captcha[ id ] = renderId;
grecaptcha.execute( renderId, { action: 'contact_form' } ).then( function ( token ) {
$el.val( token );
});
});
});
};
<?php } ?>
</script>
<?php
}
/**
* Class instance.
*
* @access public
* @since 3.10
* @return object
*/
public static function get_instance() {
if ( empty( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
}
}