You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
196 lines
4.2 KiB
PHP
196 lines
4.2 KiB
PHP
<?php
|
|
/**
|
|
* Add support for headless WP.
|
|
*
|
|
* @since 1.0.15
|
|
* @package RankMath
|
|
* @subpackage RankMath\Rest
|
|
* @author Rank Math <support@rankmath.com>
|
|
*/
|
|
|
|
namespace RankMath\Rest;
|
|
|
|
use WP_Error;
|
|
use WP_REST_Server;
|
|
use WP_REST_Request;
|
|
use WP_REST_Response;
|
|
use WP_REST_Controller;
|
|
use RankMath\Helpers\Url;
|
|
use RankMath\Helper;
|
|
use RankMath\Frontend\Frontend;
|
|
|
|
defined( 'ABSPATH' ) || exit;
|
|
|
|
/**
|
|
* Front class.
|
|
*/
|
|
class Headless extends WP_REST_Controller {
|
|
|
|
/**
|
|
* Whether the request is for the homepage.
|
|
*
|
|
* @var boolean
|
|
*/
|
|
public $is_home = false;
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
public function __construct() {
|
|
$this->namespace = \RankMath\Rest\Rest_Helper::BASE;
|
|
}
|
|
|
|
/**
|
|
* Registers the routes for the objects of the controller.
|
|
*/
|
|
public function register_routes() {
|
|
if ( ! Helper::get_settings( 'general.headless_support' ) ) {
|
|
return;
|
|
}
|
|
|
|
register_rest_route(
|
|
$this->namespace,
|
|
'/getHead',
|
|
[
|
|
'methods' => WP_REST_Server::READABLE,
|
|
'callback' => [ $this, 'get_head' ],
|
|
'permission_callback' => '__return_true',
|
|
'args' => [
|
|
'url' => [
|
|
'type' => 'string',
|
|
'required' => true,
|
|
'description' => esc_html__( 'URL to get HTML tags for.', 'rank-math' ),
|
|
'validate_callback' => [ $this, 'is_valid_url' ],
|
|
],
|
|
],
|
|
]
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Get all tags that go in the <head>. Useful for headless WP installations.
|
|
*
|
|
* @param WP_REST_Request $request Request object, should include the "url" parameter.
|
|
*
|
|
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
|
|
*/
|
|
public function get_head( WP_REST_Request $request ) {
|
|
$resp = new WP_REST_Response();
|
|
$url = $request->get_param( 'url' );
|
|
|
|
$html = $this->get_html_head( $url );
|
|
|
|
$resp->set_status( 200 );
|
|
$resp->set_data(
|
|
[
|
|
'success' => true,
|
|
'head' => $html,
|
|
|
|
]
|
|
);
|
|
return $resp;
|
|
}
|
|
|
|
/**
|
|
* Return Rank Math head HTML output for the given URL.
|
|
*
|
|
* @param string $url Request URL.
|
|
*
|
|
* @return string
|
|
*/
|
|
private function get_html_head( $url ) {
|
|
$this->setup_post_head( $url );
|
|
|
|
ob_start();
|
|
do_action( 'wp' );
|
|
do_action( 'rank_math/head' );
|
|
return ob_get_clean();
|
|
}
|
|
|
|
/**
|
|
* Prepare head output for a URL.
|
|
*
|
|
* @param string $url Request URL.
|
|
*
|
|
* @return void
|
|
*/
|
|
private function setup_post_head( $url ) {
|
|
// Setup WordPress.
|
|
$_SERVER['REQUEST_URI'] = $this->generate_request_uri( $url );
|
|
remove_all_actions( 'wp' );
|
|
remove_all_actions( 'parse_request' );
|
|
wp();
|
|
|
|
if ( $this->is_home ) {
|
|
$GLOBALS['wp_query']->is_home = true;
|
|
}
|
|
|
|
remove_filter( 'option_rewrite_rules', [ $this, 'fix_query_notice' ] );
|
|
header( 'Content-Type: application/json; charset=UTF-8' );
|
|
|
|
// Setup Rank Math.
|
|
rank_math()->variables->setup();
|
|
rank_math()->manager->load_modules();
|
|
new Frontend();
|
|
}
|
|
|
|
/**
|
|
* Generate $_SERVER['REQUEST_URI'] value based on input URL.
|
|
*
|
|
* @param string $url Input URL.
|
|
* @return string
|
|
*/
|
|
public function generate_request_uri( $url ) {
|
|
$quoted = preg_quote( rtrim( home_url(), '/' ), '/' );
|
|
$request_uri = preg_replace( sprintf( '/^%s/i', $quoted ), '', rtrim( $url, '/' ) );
|
|
if ( empty( $request_uri ) ) {
|
|
$request_uri = '/';
|
|
$this->is_home = true;
|
|
$front_page_id = get_option( 'page_on_front' );
|
|
if ( 'page' === get_option( 'show_on_front' ) && $front_page_id ) {
|
|
$this->is_home = false;
|
|
$request_uri = get_post_field( 'post_name', $front_page_id );
|
|
}
|
|
|
|
add_filter( 'option_rewrite_rules', [ $this, 'fix_query_notice' ] );
|
|
}
|
|
|
|
return $request_uri;
|
|
}
|
|
|
|
/**
|
|
* Filter rewrite_rules to avoid a PHP notice.
|
|
*
|
|
* @param array $rules Original rules.
|
|
* @return array
|
|
*/
|
|
public function fix_query_notice( $rules ) {
|
|
if ( ! is_array( $rules ) || isset( $rules['$'] ) ) {
|
|
return $rules;
|
|
}
|
|
|
|
global $wp_rewrite;
|
|
$rules['$'] = $wp_rewrite->index;
|
|
return $rules;
|
|
}
|
|
|
|
/**
|
|
* Check if provided URL is valid and internal.
|
|
*
|
|
* @param string $url URL.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function is_valid_url( $url ) {
|
|
$url = preg_replace_callback(
|
|
'/[^\x20-\x7f]/',
|
|
function( $match ) {
|
|
return rawurlencode( $match[0] );
|
|
},
|
|
$url
|
|
);
|
|
|
|
return Url::is_url( $url ) && ! Url::is_external( $url );
|
|
}
|
|
}
|