Repair AJAX comments for Antispam Bee in Streamtube theme (and maybe many more) - work in progress

repair-ajax-comments.php

<?php
/**
 * Plugin Name: Repair AJAX comments for Antispam Bee
 * Description: Add honeypot check and enable AJAX for Antispam Bee.
 * Plugin URI:  https://torstenlandsiedel.de
 * Version:     1.0.0
 * Author:      Torsten Landsiedel
 * Author URI:  https://torstenlandsiedel.de
 * Licence:     GPL 2
 * License URI: http://opensource.org/licenses/GPL-2.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Repair the honyepot check for default comments.
 */
function asb_repair_ajax_comments() {

	// Get post ID.
	$post_id = (int) Antispam_Bee::get_key( $_POST, 'comment_post_ID' );

	// Bail early if not in comment context.
	if ( 0 === $post_id ) {
		return;
	}

	// Create secret with post ID.
	$secret = Antispam_Bee::get_secret_id_for_post( $post_id );

	// Read honeypot and comment field.
	$hidden_field = Antispam_Bee::get_key( $_POST, 'comment' );
	$plugin_field = Antispam_Bee::get_key( $_POST, $secret );

	// Compare and maybe fix fields.
	if ( empty( $hidden_field ) && ! empty( $plugin_field ) ) {
		$_POST['comment'] = $plugin_field;
		unset( $_POST[ $secret ] );
	} else {
		// If nothing is fixed, no comment is possible, so nothing to do here.
	}

}


if ( class_exists( 'Antispam_Bee' ) ) {

	// Enable AJAX through disabling the block.
	add_filter( 'antispam_bee_disallow_ajax_calls', '__return_false' );

	// Switch comment content to repair honeypot check.
	add_action( 'init', 'asb_repair_ajax_comments' ); // Very early hook.

}