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<?php // phpcs:ignore -- Ignore the "\r\n" notice for some machines.
/**
* This file is part of WP Consent API.
*
* Copyright 2020 Rogier Lankhorst and the WordPress Core Privacy team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*
* @package wordpress/consent-api
* @license http://www.gnu.org/licenses/gpl-2.0.html
*/
/**
* Instead of listening to the consent checkbox, this way we check for the "preferences" consent.
*
* The consent checkbox is removed if preferences is set, the comments cookies function gets
* passed a $cookies_consent=true, so cookies can be set. Otherwise, it's false.
*/
/**
* First we remove the default comment cookies action, and replace with our own
* we add custom comment cookies action, which checks the consent, then calls the comment cookie function in wp
*/
function wp_consent_api_wordpress_comments_cookies() {
// Remove default wp action.
remove_action( 'set_comment_cookies', 'wp_set_comment_cookies', 10 );
// Add our own custom action.
add_action( 'set_comment_cookies', 'wp_consent_api_set_comment_cookies', 10, 3 );
// Remove checkbox.
add_filter( 'comment_form_default_fields', 'wp_consent_api_wordpress_comment_form_hide_cookies_consent' );
}
add_action( 'init', 'wp_consent_api_wordpress_comments_cookies' );
/**
* Custom consent function, checking consent level to decide if cookies can be set.
*
* @since 1.0.0
*
* @param WP_Comment $comment Comment object.
* @param WP_User $user Comment author's user object. The user may not exist.
* @param bool $cookies_consent Comment author's consent to store cookies.
*/
function wp_consent_api_set_comment_cookies( $comment, $user, $cookies_consent ) {
$cookies_consent = wp_has_consent( 'preference' );
wp_set_comment_cookies( $comment, $user, $cookies_consent );
}
/**
* Remove consent checkbox.
*
* @since 1.0.0
*
* @param string[] $fields The comment fields.
*
* @return string[] $fields
*/
function wp_consent_api_wordpress_comment_form_hide_cookies_consent( $fields ) {
unset( $fields['cookies'] );
return $fields;
}