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<?php
/*
Plugin Name: XML Sitemap & Google News
Plugin URI: https://status301.net/wordpress-plugins/xml-sitemap-feed/
Description: Feed the hungry spiders in compliance with the XML Sitemap and Google News protocols. Happy with the results? Please leave me a <strong><a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=ravanhagen%40gmail%2ecom&item_name=XML%20Sitemap%20Feed">tip</a></strong> for continued development and support. Thanks :)
Version: 5.3.6
Text Domain: xml-sitemap-feed
Requires at least: 4.6
Requires PHP: 5.6
Author: RavanH
Author URI: https://status301.net/
*/
define( 'XMLSF_VERSION', '5.3.6' );
/**
* Copyright 2023 RavanH
* https://status301.net/
* mailto: ravanhagen@gmail.com
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/**
* --------------------
* AVAILABLE HOOKS
* --------------------
*
* FILTERS
*
* xmlsf_defaults -> Filters the default array values for different option groups.
* xmlsf_request -> Filters request when an xml sitemap request is found,
* can be used for plugin compatibility.
* xmlsf_news_request -> Filters request when a news sitemap request is found
* can be used for plugin compatibility.
* xmlsf_allowed_domain -> Filters the response when checking the url against allowed domains.
* Passes variable $url; must return true or false.
* xmlsf_index_url_args -> Filters the index url arguments array
* xmlsf_excluded -> Filters the response when checking the post for exclusion flags in
* XML Sitemap context. Passes the post exclusion flag and $post_id; must return true or false.
* xmlsf_news_excluded -> Filters the response when checking the post for exclusion flags in
* Google News sitemap context. Passes variable $post_id; must exclusion flag, return true or false.
* xmlsf_news_keywords -> Filters the news keywords array
* xmlsf_news_stock_tickers -> Filters the news stock tickers array
* xmlsf_disabled_taxonomies -> Filters the taxonomies that should be unavailable for sitemaps
* Passes an array of taxonomies to exclude; must return an array.
* the_title_xmlsitemap -> Filters the Image title and caption tags.
* xmlsf_news_publication_name-> Filters the Google News publication name.
* xmlsf_news_title -> Filters the Google News post title.
* xmlsf_root_data -> Filters the root data urls (with priority and lastmod) array
* xmlsf_custom_urls -> Filters the custom urls array
* xmlsf_custom_sitemaps -> Filters the custom sitemaps array
* xmlsf_post_language -> Filters the post language tag used in the news sitemap.
* Passes variable $post_id; must return a 2 or 3 letter
* language ISO 639 code with the exception of zh-cn and zh-tw.
* xmlsf_post_types -> Filters the post types array for the XML sitemaps index.
* xmlsf_post_priority -> Filters a post priority value. Passes variables $priority and $post->ID.
* Must return a float value between 0.1 and 1.0
* xmlsf_term_priority -> Filters a taxonomy term priority value. Passes variables $priority and $term->slug.
* Must return a float value between 0.1 and 1.0
* xmlsf_news_post_types -> Filters the post types array for the Google News sitemap settings page.
*
* ACTIONS
*
* xmlsf_ping -> Fires when a search engine has been pinged. Carries four arguments:
* search engine (google|bing), sitemap name, full ping url, ping repsonse code.
* xmlsf_urlset -> Fired inside each sitemap's urlset tag. Can be used to
* echo additional XML namespaces. Passes parameter home|post_type|taxonomy|custom
* to allow identification of the current sitemap.
* xmlsf_url -> Fired inside the XML Sitemap loop at the start of each sitemap url tag. Can be used to
* echo additional XML namespaces. Passes parameter home|post_type|taxonomy|custom
* to allow identification of the current sitemap.
* xmlsf_image_tags_inner -> Fired inside the XML Sitemap loop just before each closing </image:image> is generated. Can be used to
* echo custom <image:image> tags or trigger another action in the background.
* xmlsf_tags_after -> Fired inside the XML Sitemap loop at the end of the tags, just before each
* closing </url> is generated. Can be used to echo custom tags or trigger another
* action in the background. Passes parameter home|post_type|taxonomy|custom
* to allow identification of the current sitemap.
* xmlsf_url_after -> Fired inside the XML Sitemap loop after each url node. Can be used to append
* alternative url or trigger another action in the background. Passes parameter
* home|post_type|taxonomy|custom to allow identification of the current sitemap.
* xmlsf_news_urlset -> Fired inside the Google News Sitemap urlset tag. Can be used to
* echo additional XML namespaces.
* xmlsf_news_tags_inner -> Fired inside the Google News Sitemap loop at the end of the news
* tags, just before each closing </news:news> is generated. Can be used to
* echo custom news:news tags or trigger another action in the background.
* xmlsf_news_tags_after -> Fired inside the Google News Sitemap loop at the end of the news
* tags, just before each closing </url> is generated. Can be used to
* echo custom news tags or trigger another action in the background.
* xmlsf_news_url_after -> Fired inside the Google News Sitemap loop after each news url node.
* Can be used to append alternative url or trigger another action in the background.
* xmlsf_news_settings_before -> Fired before the Google News Sitemap settings form
* xmlsf_news_settings_after -> Fired after the Google News Sitemap settings form
*
* ---------------------
* AVAILABLE FUNCTIONS
* ---------------------
*
* is_sitemap() -> conditional, returns bolean, true if the request is for an xml sitemap
* is_news() -> conditional, returns bolean, true if the request is for an xml news sitemap
*
* Feel free to request, suggest or submit more :)
*/
if ( ! defined( 'WPINC' ) ) die;
define( 'XMLSF_DIR', dirname(__FILE__) );
define( 'XMLSF_BASENAME', plugin_basename(__FILE__) );
// main plugin init
add_action( 'init', 'xmlsf_init', 9 );
register_activation_hook( __FILE__, 'xmlsf_activate' );
register_deactivation_hook( __FILE__, 'xmlsf_deactivate' );
/***********************
* CONTROLLERS
***********************/
/**
* Plugin initialization
*
* @since 1.0
* @return void
*/
function xmlsf_init() {
// add robots.txt filter
add_filter( 'robots_txt', 'xmlsf_robots_txt', 9 );
// Upgrade/install, maybe...
$db_version = get_option( 'xmlsf_version', 0 );
if ( ! version_compare( XMLSF_VERSION, $db_version, '=' ) ) {
require_once XMLSF_DIR . '/upgrade.php';
new XMLSitemapFeed_Upgrade( $db_version );
}
if ( is_admin() ) {
require XMLSF_DIR . '/controllers/class.xmlsf-admin.php';
new XMLSF_Admin();
}
$sitemaps = get_option( 'xmlsf_sitemaps' );
// return if nothing enabled
if ( empty( $sitemaps ) ) return;
// main model functions
require XMLSF_DIR . '/models/functions.shared.php';
// force remove url trailing slash
add_filter( 'user_trailingslashit', 'xmlsf_untrailingslash' );
// MAIN REQUEST filter
add_filter( 'request', 'xmlsf_filter_request', 0 );
// NGINX HELPER PURGE URLS
add_filter( 'rt_nginx_helper_purge_urls', 'xmlsf_nginx_helper_purge_urls', 10, 2 );
// main controller functions
require XMLSF_DIR . '/controllers/functions.shared.php';
add_action( 'xmlsf_ping', 'xmlsf_debug_ping', 9, 4 );
// include and instantiate main class
xmlsf();
if ( ! empty( $sitemaps['sitemap'] ) ) {
//add_rewrite_rule('sitemap(?:_index)?(\-[a-z0-9\-_]+)?(\.\d{4,6})?(\.\d{1,2})?\.xml(\.gz)?$', 'index.php?feed=sitemap$matches[1]$matches[4]&m=$matches[2]&w=$matches[3]', 'top');
require XMLSF_DIR . '/models/functions.sitemap.php';
add_filter( 'xmlsf_post_types', 'xmlsf_filter_post_types' );
// sitemap title element filters
add_filter( 'the_title_xmlsitemap', 'strip_tags' );
add_filter( 'the_title_xmlsitemap', 'ent2ncr', 8 );
add_filter( 'the_title_xmlsitemap', 'esc_html' );
global $xmlsf_sitemap;
require XMLSF_DIR . '/controllers/class.xmlsf-sitemap.php';
$xmlsf_sitemap = new XMLSF_Sitemap( $sitemaps['sitemap'] );
// replace core sitemap
remove_action( 'init', 'wp_sitemaps_get_server' );
}
if ( ! empty( $sitemaps['sitemap-news'] ) ) {
//add_rewrite_rule('sitemap-news\.xml(\.gz)?$', 'index.php?feed=sitemap-news$matches[1]', 'top');
require XMLSF_DIR . '/models/functions.sitemap-news.php';
add_filter( 'xmlsf_news_post_types', 'xmlsf_news_filter_post_types' );
// common sitemap element filters
add_filter( 'xmlsf_news_publication_name', 'strip_tags' );
add_filter( 'xmlsf_news_publication_name', 'ent2ncr', 8 );
add_filter( 'xmlsf_news_publication_name', 'esc_html' );
add_filter( 'xmlsf_news_title', 'strip_tags' );
add_filter( 'xmlsf_news_title', 'ent2ncr', 8 );
add_filter( 'xmlsf_news_title', 'esc_html' );
require XMLSF_DIR . '/controllers/class.xmlsf-sitemap-news.php';
new XMLSF_Sitemap_News( $sitemaps['sitemap-news'] );
}
}
/**
* Plugin activation
*
* @since 5.0
* @return void
*/
function xmlsf_activate() {
set_transient( 'xmlsf_flush_rewrite_rules', '' );
set_transient( 'xmlsf_check_static_files', '' );
}
/**
* Plugin de-activation
*
* @since 5.0
* @return void
*/
function xmlsf_deactivate() {
delete_transient( 'xmlsf_flush_rewrite_rules' );
delete_transient( 'xmlsf_check_static_files' );
// remove metadata
global $wpdb;
// posts meta
$wpdb->delete( $wpdb->prefix.'postmeta', array( 'meta_key' => '_xmlsf_image_attached' ) );
$wpdb->delete( $wpdb->prefix.'postmeta', array( 'meta_key' => '_xmlsf_image_featured' ) );
$wpdb->delete( $wpdb->prefix.'postmeta', array( 'meta_key' => '_xmlsf_comment_date_gmt' ) );
// terms meta
$wpdb->delete( $wpdb->prefix.'termmeta', array( 'meta_key' => 'term_modified' ) );
// remove rules so they can be REGENERATED on the next page load (without this plugin active)
delete_option( 'rewrite_rules' );
}
/*****************
* MODELS
*****************/
/**
* Get instantiated sitemap class
*
* @since 5.0
*
* @global XMLSitemapFeed $xmlsf
* @return XMLSitemapFeed object
*/
function xmlsf() {
global $xmlsf;
if ( ! isset( $xmlsf ) ) {
if ( ! class_exists( 'XMLSitemapFeed' ) )
require XMLSF_DIR . '/models/class-xmlsitemapfeed.php';
$xmlsf = new XMLSitemapFeed();
}
return $xmlsf;
}
/**
* Filter robots.txt rules
*
* @param $output
* @return string
*/
function xmlsf_robots_txt( $output ) {
$url = trailingslashit( get_bloginfo('url') );
$sitemaps = get_option( 'xmlsf_sitemaps' );
// PRE
$pre = '# XML Sitemap & Google News version ' . XMLSF_VERSION . ' - https://status301.net/wordpress-plugins/xml-sitemap-feed/' . PHP_EOL;
if ( '1' != get_option('blog_public') )
$pre .= '# XML Sitemaps are disabled because of this site\'s privacy settings.' . PHP_EOL;
elseif( !is_array($sitemaps) || empty( $sitemaps ) )
$pre .= '# No XML Sitemaps are enabled on this site.' . PHP_EOL;
else
foreach ( $sitemaps as $pretty )
$pre .= 'Sitemap: ' . $url . $pretty . PHP_EOL;
$pre .= PHP_EOL;
// DEFAULT
if ( substr($output, -1) !== PHP_EOL ) $output .= PHP_EOL;
// POST
$post = get_option('xmlsf_robots');
if ( $post !== '' ) $post .= PHP_EOL;
return $pre . $output . $post;
}
/* --------------------------------
* CONDITIONAL FUNCTIONS
* -------------------------------- */
/**
* Is the query for a sitemap?
*
* @since 4.8
* @return bool
*/
function is_sitemap() {
global $xmlsf;
if ( ! is_object( $xmlsf ) || $xmlsf->request_filtered === false ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional sitemap tags do not work before the sitemap request filter is run. Before then, they always return false.', 'xml-sitemap-feed' ), '4.8' );
return false;
}
return $xmlsf->is_sitemap;
}
/**
* Is the query for a news sitemap?
*
* @since 4.8
* @return bool
*/
function is_news() {
global $xmlsf;
if ( ! is_object( $xmlsf ) || $xmlsf->request_filtered === false ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional sitemap tags do not work before the sitemap request filter is run. Before then, they always return false.', 'xml-sitemap-feed' ), '4.8' );
return false;
}
return $xmlsf->is_news;
}