[Defender Pro] reCaptcha compatibility with Minimog theme

defender-recaptcha-minimog.php

<?php
/**
 * Plugin Name: [Defender Pro] reCaptcha compatibility with Minimog theme
 * Description: Adds a custom reCaptcha integration to the Minimog's Login/Register pop-up
 * Author: Anderson Salas @ WPMUDEV
 * Task: SLS-6095
 * Author URI: https://premium.wpmudev.org
 * License: GPLv2 or later
 */

add_action( 'plugins_loaded', function() {
    if ( ! defined( 'DEFENDER_VERSION' ) ) {
        return; // Defender is not installed/enabled.
    }

    if ( ! defined( 'MINIMOG_THEME_VERSION' ) ) {
        return; // Minimog theme is not installed/enabled.
    }

    if ( wp_doing_cron() ) {
        return; 
    }

    if ( is_user_logged_in() ) {
        return;
    }

    $recaptcha       = wd_di()->get( \WP_Defender\Controller\Recaptcha::class );
    $recaptcha_model = wd_di()->get( \WP_Defender\Model\Setting\Recaptcha::class );

    if ( ! $recaptcha_model->is_active() ) {
        return; // reCaptcha module is not active.
    }

    $configure = function( $recaptcha ) {
        $method = new ReflectionMethod( $recaptcha, 'declare_variables' );
        $method->setAccessible( true );
        $method->invoke( $recaptcha );
    };

    if ( ! wp_doing_ajax() ) {
        add_action( 'wp_enqueue_scripts', function() use ( $recaptcha, $configure ) {
            $recaptcha->add_scripts();
    
            $configure( $recaptcha );
    
            $method = new ReflectionMethod( $recaptcha, 'display_recaptcha' );
            $method->setAccessible( true );
    
            ob_start();
            echo $method->invoke( $recaptcha );
            $markup = ob_get_clean();
            
            if ( ! empty( $markup ) ) {
                $GLOBALS['_wd_recaptcha'] = $markup;
            }
        });
    
        add_action( 'minimog/modal_user_login/before_form_submit', function() {
            if ( ! empty( $GLOBALS['_wd_recaptcha'] ) ) {
                echo $GLOBALS['_wd_recaptcha'];
            }
        });

        add_action( 'minimog/modal_user_register/before_form_submit', function() {
            if ( ! empty( $GLOBALS['_wd_recaptcha'] ) ) {
                echo $GLOBALS['_wd_recaptcha'];
            }
        });
    } else {
        $configure( $recaptcha );
    }

    add_filter( 'minimog/user_login/errors', function( $errors ) use ( $recaptcha ) {
        $recaptcha->validate_captcha_field_on_login( $errors ); 
        return $errors;
    });

    add_filter( 'minimog/user_register/errors', function( $errors, $username, $email ) use ( $recaptcha ) {
        $recaptcha->validate_captcha_field_on_registration( $errors ); 
        return $errors;
    }, 10, 3 );
});