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192 lines
4.7 KiB
PHP
192 lines
4.7 KiB
PHP
<?php
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/**
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* The sitemap URL rewrite setup and handling functionality.
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*
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* @since 0.9.0
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* @package RankMath
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* @subpackage RankMath\Sitemap
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* @author Rank Math <support@rankmath.com>
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*
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* @copyright Copyright (C) 2008-2019, Yoast BV
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* The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
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*/
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namespace RankMath\Sitemap;
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use RankMath\Helper;
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use RankMath\Traits\Hooker;
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use RankMath\Helpers\Str;
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use RankMath\Helpers\Url;
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defined( 'ABSPATH' ) || exit;
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/**
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* Router class.
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*/
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class Router {
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use Hooker;
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/**
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* The Constructor.
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*/
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public function __construct() {
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$this->action( 'init', 'init', 1 );
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$this->action( 'parse_query', 'request_sitemap', 1 );
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$this->action( 'template_redirect', 'template_redirect', 0 );
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$this->action( 'after_setup_theme', 'reduce_query_load', 99 );
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}
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/**
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* Sets up rewrite rules.
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*/
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public function init() {
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global $wp;
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$base = self::get_sitemap_base();
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$wp->add_query_var( 'sitemap' );
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$wp->add_query_var( 'sitemap_n' );
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$wp->add_query_var( 'xsl' );
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add_rewrite_rule( $base . Sitemap::get_sitemap_index_slug() . '\\.xml$', 'index.php?sitemap=1', 'top' );
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add_rewrite_rule( $base . '([^/]+?)-sitemap([0-9]+)?\.xml$', 'index.php?sitemap=$matches[1]&sitemap_n=$matches[2]', 'top' );
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add_rewrite_rule( $base . '([a-z]+)?-?sitemap\.xsl$', 'index.php?xsl=$matches[1]', 'top' );
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}
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/**
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* Serves sitemap when needed using correct sitemap module.
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*
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* @param WP_Query $query The WP_Query instance (passed by reference).
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*/
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public function request_sitemap( $query ) {
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if ( ! $query->is_main_query() ) {
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return;
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}
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$xsl = self::get_sitemap_slug( get_query_var( 'xsl' ) );
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if ( ! empty( $xsl ) ) {
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$this->filter( 'user_has_cap', 'filter_user_has_cap' );
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$stylesheet = new Stylesheet();
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$stylesheet->output( $xsl );
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return;
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}
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$type = get_query_var( 'sitemap' );
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if ( empty( $type ) ) {
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return;
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}
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new Sitemap_XML( $type );
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}
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/**
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* Check the current request URI, if we can determine it's probably an XML sitemap, kill loading the widgets.
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*/
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public function reduce_query_load() {
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if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
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return;
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}
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$request = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) );
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$extension = substr( $request, -4 );
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if ( Str::contains( 'sitemap', $request ) && in_array( $extension, [ '.xml', '.xsl' ], true ) ) {
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remove_all_actions( 'widgets_init' );
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}
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}
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/**
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* Redirects `sitemap.xml` to `sitemap_index.xml`.
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*/
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public function template_redirect() {
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if ( ! $this->needs_sitemap_index_redirect() ) {
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return;
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}
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Helper::redirect( home_url( '/' . Sitemap::get_sitemap_index_slug() . '.xml' ), 301 );
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exit;
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}
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/**
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* Checks whether the current request needs to be redirected to sitemap_index.xml.
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*
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* @return bool True if redirect is needed, false otherwise.
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*/
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public function needs_sitemap_index_redirect() {
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global $wp_query;
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return $wp_query->is_404 && home_url( '/sitemap.xml' ) === Url::get_current_url();
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}
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/**
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* Create base URL for the sitemap.
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*
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* @param string $page Page to append to the base URL.
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*
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* @return string base URL (incl page)
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*/
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public static function get_base_url( $page ) {
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$page = self::get_page_url( $page );
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$base = self::get_sitemap_base();
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return home_url( $base . $page );
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}
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/**
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* Create base URL for the sitemap.
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*
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* @since 1.0.43
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*
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* @return string Sitemap base.
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*/
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public static function get_sitemap_base() {
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global $wp_rewrite;
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$base = $wp_rewrite->using_index_permalinks() ? $wp_rewrite->index . '/' : '';
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/**
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* Filter the base URL of the sitemaps.
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*
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* @param string $base The string that should be added to home_url() to make the full base URL.
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*/
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return apply_filters( 'rank_math/sitemap/base_url', $base );
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}
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/**
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* Get sitemap slug.
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*
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* @param string $type Sitemap type.
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* @return string
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*/
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public static function get_sitemap_slug( $type ) {
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/**
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* Filter the slug of the sitemap.
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*
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* @param string $slug Slug of the sitemap.
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*/
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return apply_filters( "rank_math/sitemap/{$type}/slug", $type );
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}
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/**
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* Get page URL for the sitemap.
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*
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* @param string $page Page to append to the base URL.
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*
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* @return string
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*/
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public static function get_page_url( $page ) {
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global $wp_rewrite;
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if ( $wp_rewrite->using_permalinks() ) {
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return $page;
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}
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if ( Sitemap::get_sitemap_index_slug() . '.xml' === $page ) {
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return '?sitemap=1';
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}
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$page = \preg_replace( '/([^\/]+?)-sitemap([0-9]+)?\.xml$/', '?sitemap=$1&sitemap_n=$2', $page );
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$page = \preg_replace( '/([a-z]+)?-?sitemap\.xsl$/', '?xsl=$1', $page );
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$page = str_replace( 'locations.kml', '?sitemap=locations', $page );
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return $page;
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}
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}
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