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heartbeat.php
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<?php namespace Elementor; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /** * Elementor heartbeat. * * Elementor heartbeat handler class is responsible for initializing Elementor * heartbeat. The class communicates with WordPress Heartbeat API while working * with Elementor. * * @since 1.0.0 */ class Heartbeat { /** * Heartbeat received. * * Locks the Heartbeat response received when editing with Elementor. * * Fired by `heartbeat_received` filter. * * @since 1.0.0 * @access public * * @param array $response The Heartbeat response. * @param array $data The `$_POST` data sent. * * @return array Heartbeat response received. */ public function heartbeat_received( $response, $data ) { if ( isset( $data['elementor_post_lock']['post_ID'] ) ) { $post_id = $data['elementor_post_lock']['post_ID']; $locked_user = Plugin::$instance->editor->get_locked_user( $post_id ); if ( ! $locked_user || ! empty( $data['elementor_force_post_lock'] ) ) { Plugin::$instance->editor->lock_post( $post_id ); } else { $response['locked_user'] = $locked_user->display_name; } /** @var Core\Common\Modules\Ajax\Module $ajax */ $ajax = Plugin::$instance->common->get_component( 'ajax' ); $response['elementorNonce'] = $ajax->create_nonce(); } return $response; } /** * Refresh nonces. * * Filter the nonces to send to the editor when editing with Elementor. Used * to refresh the nonce when the nonce expires while editing. This way the * user doesn't need to log-in again as Elementor fetches the new nonce from * the server using ajax. * * Fired by `wp_refresh_nonces` filter. * * @since 1.8.0 * @access public * * @param array $response The no-priv Heartbeat response object or array. * @param array $data The `$_POST` data sent. * * @return array Refreshed nonces. */ public function refresh_nonces( $response, $data ) { if ( isset( $data['elementor_post_lock']['post_ID'] ) ) { /** @var Core\Common\Modules\Ajax\Module $ajax */ $ajax = Plugin::$instance->common->get_component( 'ajax' ); $response['elementor-refresh-nonces'] = [ 'elementorNonce' => $ajax->create_nonce(), 'heartbeatNonce' => wp_create_nonce( 'heartbeat-nonce' ), ]; } return $response; } /** * Heartbeat constructor. * * Initializing Elementor heartbeat. * * @since 1.0.0 * @access public */ public function __construct() { add_filter( 'heartbeat_received', [ $this, 'heartbeat_received' ], 10, 2 ); add_filter( 'wp_refresh_nonces', [ $this, 'refresh_nonces' ], 30, 2 ); } }