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128 lines
3.3 KiB
128 lines
3.3 KiB
<?php |
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/** |
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* WPSEO plugin file. |
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* |
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* @package WPSEO\XML_Sitemaps |
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*/ |
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/** |
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* Rewrite setup and handling for sitemaps functionality. |
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*/ |
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class WPSEO_Sitemaps_Router { |
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/** |
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* Sets up init logic. |
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*/ |
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public function __construct() { |
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add_action( 'init', array( $this, 'init' ), 1 ); |
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add_filter( 'redirect_canonical', array( $this, 'redirect_canonical' ) ); |
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add_action( 'template_redirect', array( $this, 'template_redirect' ), 0 ); |
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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 $wp; |
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$wp->add_query_var( 'sitemap' ); |
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$wp->add_query_var( 'sitemap_n' ); |
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$wp->add_query_var( 'yoast-sitemap-xsl' ); |
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add_rewrite_rule( 'sitemap_index\.xml$', 'index.php?sitemap=1', 'top' ); |
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add_rewrite_rule( '([^/]+?)-sitemap([0-9]+)?\.xml$', 'index.php?sitemap=$matches[1]&sitemap_n=$matches[2]', 'top' ); |
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add_rewrite_rule( '([a-z]+)?-?sitemap\.xsl$', 'index.php?yoast-sitemap-xsl=$matches[1]', 'top' ); |
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} |
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/** |
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* Stop trailing slashes on sitemap.xml URLs. |
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* |
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* @param string $redirect The redirect URL currently determined. |
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* |
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* @return bool|string $redirect |
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*/ |
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public function redirect_canonical( $redirect ) { |
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if ( get_query_var( 'sitemap' ) || get_query_var( 'yoast-sitemap-xsl' ) ) { |
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return false; |
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} |
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return $redirect; |
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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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header( 'X-Redirect-By: Yoast SEO' ); |
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wp_redirect( home_url( '/sitemap_index.xml' ), 301, 'Yoast SEO' ); |
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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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* @global WP_Query $wp_query Current query. |
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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 $wp_query; |
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$protocol = 'http://'; |
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if ( ! empty( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] === 'on' ) { |
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$protocol = 'https://'; |
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} |
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$domain = ''; |
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if ( isset( $_SERVER['SERVER_NAME'] ) ) { |
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$domain = sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ); |
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} |
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$path = ''; |
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if ( isset( $_SERVER['REQUEST_URI'] ) ) { |
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$path = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ); |
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} |
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// Due to different environment configurations, we need to check both SERVER_NAME and HTTP_HOST. |
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$check_urls = array( $protocol . $domain . $path ); |
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if ( ! empty( $_SERVER['HTTP_HOST'] ) ) { |
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$check_urls[] = $protocol . sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) . $path; |
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} |
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return $wp_query->is_404 && in_array( home_url( '/sitemap.xml' ), $check_urls, true ); |
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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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global $wp_rewrite; |
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$base = $wp_rewrite->using_index_permalinks() ? 'index.php/' : '/'; |
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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 $base The string that should be added to home_url() to make the full base URL. |
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*/ |
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$base = apply_filters( 'wpseo_sitemaps_base_url', $base ); |
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/* |
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* Get the scheme from the configured home URL instead of letting WordPress |
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* determine the scheme based on the requested URI. |
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*/ |
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return home_url( $base . $page, wp_parse_url( get_option( 'home' ), PHP_URL_SCHEME ) ); |
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} |
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}
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