[Defender Pro] reCaptcha compatibility with Woffice theme

defender-recaptcha-woffice.php

<?php
/**
 * Plugin Name: [Defender Pro] reCaptcha compatibility with Woffice theme
 * Description: Adds a custom reCaptcha integration to the Woffice's Login template
 * Author: Anderson Salas @ WPMUDEV
 * Task: SLS-6127
 * 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( 'WOFFICE_CORE_ENABLED' ) ) {
        return; // Woffice theme is not installed/enabled.
    }

    $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 );
    };

    add_filter( 'template_include', function( $template ) use ( $recaptcha, $configure ) {
        if ( false !== strpos( $template, 'themes/woffice/page-templates/login.php' ) ) {
            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 ) ) {
                    add_filter( 'login_form_middle', function( $html, $args ) use ( $markup ) {
                        $html .= $markup;
                        return $html;
                    }, 10, 2 );
                }
            });
        }
        return $template;
    });
});