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99 lines
2.6 KiB
PHP
99 lines
2.6 KiB
PHP
<?php
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/**
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* The AJAX.
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*
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* @since 0.9.0
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* @package RankMath
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* @subpackage RankMath\Traits
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath\Traits;
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use RankMath\Helper;
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defined( 'ABSPATH' ) || exit;
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/**
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* Ajax class.
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*/
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trait Ajax {
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/**
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* Hooks a function on to a specific ajax action
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*
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* @param string $tag The name of the action to which the $function_to_add is hooked.
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* @param callable $function_to_add The name of the function you wish to be called.
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* @param int $priority Optional. Used to specify the order in which the functions
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* associated with a particular action are executed. Default 10.
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* Lower numbers correspond with earlier execution,
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* and functions with the same priority are executed
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* in the order in which they were added to the action.
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*/
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protected function ajax( $tag, $function_to_add, $priority = 10 ) {
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\add_action( 'wp_ajax_rank_math_' . $tag, [ $this, $function_to_add ], $priority );
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}
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/**
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* Verify request nonce
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*
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* @param string $action The nonce action name.
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*/
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public function verify_nonce( $action ) {
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if ( ! isset( $_REQUEST['security'] ) || ! \wp_verify_nonce( $_REQUEST['security'], $action ) ) {
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$this->error( __( 'Error: Nonce verification failed', 'rank-math' ) );
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}
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}
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/**
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* Whether the current user has a specific capability. If not die with error.
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*
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* @see has_cap()
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*
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* @param string $capability Capability name.
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* @return boolean Whether the current user has the given capability.
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*/
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public function has_cap_ajax( $capability ) {
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if ( ! Helper::has_cap( $capability ) ) {
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$this->error( esc_html__( 'You are not authorized to perform this action.', 'rank-math' ) );
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}
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return true;
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}
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/**
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* Wrapper function for sending success response
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*
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* @param mixed $data Data to send to response.
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*/
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public function success( $data = null ) {
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$this->send( $data );
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}
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/**
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* Wrapper function for sending error
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*
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* @param mixed $data Data to send to response.
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*/
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public function error( $data = null ) {
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$this->send( $data, false );
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}
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/**
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* Send AJAX response.
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*
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* @param array $data Data to send using ajax.
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* @param boolean $success Optional. If this is an error. Defaults: true.
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*/
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private function send( $data, $success = true ) {
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if ( is_string( $data ) ) {
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$data = $success ? [ 'message' => $data ] : [ 'error' => $data ];
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}
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$data['success'] = isset( $data['success'] ) ? $data['success'] : $success;
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\wp_send_json( $data );
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}
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}
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