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Editing: module.php
<?php namespace Elementor\Core\Common\Modules\Ajax; use Elementor\Core\Base\Module as BaseModule; use Elementor\Core\Utils\Exceptions; use Elementor\Plugin; use Elementor\Utils; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } /** * Elementor ajax manager. * * Elementor ajax manager handler class is responsible for handling Elementor * ajax requests, ajax responses and registering actions applied on them. * * @since 2.0.0 */ class Module extends BaseModule { const NONCE_KEY = 'elementor_ajax'; /** * Ajax actions. * * Holds all the register ajax action. * * @since 2.0.0 * @access private * * @var array */ private $ajax_actions = []; /** * Ajax requests. * * Holds all the register ajax requests. * * @since 2.0.0 * @access private * * @var array */ private $requests = []; /** * Ajax response data. * * Holds all the response data for all the ajax requests. * * @since 2.0.0 * @access private * * @var array */ private $response_data = []; /** * Current ajax action ID. * * Holds all the ID for the current ajax action. * * @since 2.0.0 * @access private * * @var string|null */ private $current_action_id = null; /** * Ajax manager constructor. * * Initializing Elementor ajax manager. * * @since 2.0.0 * @access public */ public function __construct() { add_action( 'wp_ajax_elementor_ajax', [ $this, 'handle_ajax_request' ] ); } /** * Get module name. * * Retrieve the module name. * * @since 1.7.0 * @access public * * @return string Module name. */ public function get_name() { return 'ajax'; } /** * Register ajax action. * * Add new actions for a specific ajax request and the callback function to * be handle the response. * * @since 2.0.0 * @access public * * @param string $tag Ajax request name/tag. * @param callable $callback The callback function. */ public function register_ajax_action( $tag, $callback ) { if ( ! did_action( 'elementor/ajax/register_actions' ) ) { _doing_it_wrong( __METHOD__, esc_html( sprintf( 'Use `%s` hook to register ajax action.', 'elementor/ajax/register_actions' ) ), '2.0.0' ); } $this->ajax_actions[ $tag ] = compact( 'tag', 'callback' ); } /** * Handle ajax request. * * Verify ajax nonce, and run all the registered actions for this request. * * Fired by `wp_ajax_elementor_ajax` action. * * @since 2.0.0 * @access public */ public function handle_ajax_request() { if ( ! $this->verify_request_nonce() ) { $this->add_response_data( false, esc_html__( 'Token Expired.', 'elementor' ) ) ->send_error( Exceptions::UNAUTHORIZED ); } $editor_post_id = 0; if ( ! empty( $_REQUEST['editor_post_id'] ) ) { $editor_post_id = absint( $_REQUEST['editor_post_id'] ); Plugin::$instance->db->switch_to_post( $editor_post_id ); } /** * Register ajax actions. * * Fires when an ajax request is received and verified. * * Used to register new ajax action handles. * * @since 2.0.0 * * @param self $this An instance of ajax manager. */ do_action( 'elementor/ajax/register_actions', $this ); if ( ! empty( $_REQUEST['actions'] ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, each action should sanitize its own data. $this->requests = json_decode( wp_unslash( $_REQUEST['actions'] ), true ); } foreach ( $this->requests as $id => $action_data ) { $this->current_action_id = $id; if ( ! isset( $this->ajax_actions[ $action_data['action'] ] ) ) { $this->add_response_data( false, esc_html__( 'Action not found.', 'elementor' ), Exceptions::BAD_REQUEST ); continue; } if ( $editor_post_id ) { $action_data['data']['editor_post_id'] = $editor_post_id; } try { $data = $action_data['data'] ?? []; $results = call_user_func( $this->ajax_actions[ $action_data['action'] ]['callback'], $data, $this ); if ( false === $results ) { $this->add_response_data( false ); } else { $this->add_response_data( true, $results ); } } catch ( \Exception $e ) { $this->add_response_data( false, $e->getMessage(), $e->getCode() ); } } $this->current_action_id = null; $this->send_success(); } /** * Get current action data. * * Retrieve the data for the current ajax request. * * @since 2.0.1 * @access public * * @return bool|mixed Ajax request data if action exist, False otherwise. */ public function get_current_action_data() { if ( ! $this->current_action_id ) { return false; } return $this->requests[ $this->current_action_id ]; } /** * Create nonce. * * Creates a cryptographic token to * give the user an access to Elementor ajax actions. * * @since 2.3.0 * @access public * * @return string The nonce token. */ public function create_nonce() { return wp_create_nonce( self::NONCE_KEY ); } /** * Verify request nonce. * * Whether the request nonce verified or not. * * @since 2.3.0 * @access public * * @return bool True if request nonce verified, False otherwise. */ public function verify_request_nonce() { return wp_verify_nonce( Utils::get_super_global_value( $_REQUEST, '_nonce' ), self::NONCE_KEY ); } protected function get_init_settings() { return [ 'url' => admin_url( 'admin-ajax.php' ), 'nonce' => $this->create_nonce(), ]; } /** * Ajax success response. * * Send a JSON response data back to the ajax request, indicating success. * * @since 2.0.0 * @access protected */ private function send_success() { $response = [ 'success' => true, 'data' => [ 'responses' => $this->response_data, ], ]; $json = wp_json_encode( $response ); while ( ob_get_status() ) { ob_end_clean(); } header( 'Content-Type: application/json; charset=UTF-8' ); echo $json; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped wp_die( '', '', [ 'response' => null ] ); } /** * Ajax failure response. * * Send a JSON response data back to the ajax request, indicating failure. * * @since 2.0.0 * @access protected * * @param null $code */ private function send_error( $code = null ) { wp_send_json_error( [ 'responses' => $this->response_data, ], $code ); } /** * Add response data. * * Add new response data to the array of all the ajax requests. * * @since 2.0.0 * @access protected * * @param bool $success True if the requests returned successfully, False * otherwise. * @param mixed $data Optional. Response data. Default is null. * * @param int $code Optional. Response code. Default is 200. * * @return Module An instance of ajax manager. */ private function add_response_data( $success, $data = null, $code = 200 ) { $this->response_data[ $this->current_action_id ] = [ 'success' => $success, 'code' => $code, 'data' => $data, ]; return $this; } }
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