527 lines
14 KiB
PHP
527 lines
14 KiB
PHP
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<?php
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namespace AIOSEO\Plugin\Common;
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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use AIOSEO\Plugin\Common\Integrations\BuddyPress as BuddyPressIntegration;
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/**
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* Adds content before or after posts in the RSS feed.
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*
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* @since 4.0.0
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*/
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class Rss {
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/**
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* Class constructor.
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*
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* @since 4.0.0
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*/
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public function __construct() {
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if ( is_admin() ) {
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return;
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}
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add_filter( 'the_content_feed', [ $this, 'addRssContent' ] );
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add_filter( 'the_excerpt_rss', [ $this, 'addRssContentExcerpt' ] );
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// If Crawl Cleanup is disabled, return early.
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if ( ! aioseo()->options->searchAppearance->advanced->crawlCleanup->enable ) {
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return;
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}
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// Control which feed links are visible.
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remove_action( 'wp_head', 'feed_links_extra', 3 );
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add_action( 'wp_head', [ $this, 'rssFeedLinks' ], 3 );
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if ( ! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->global ) {
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add_filter( 'feed_links_show_posts_feed', '__return_false' );
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}
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if ( ! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->globalComments ) {
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add_filter( 'feed_links_show_comments_feed', '__return_false' );
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}
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// Disable feeds that we no longer want on this site.
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add_action( 'wp', [ $this, 'disableFeeds' ], -1000 );
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}
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/**
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* Adds content before or after the RSS excerpt.
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*
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* @since 4.0.0
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*
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* @param string $content The post excerpt.
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* @return string The post excerpt with prepended/appended content.
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*/
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public function addRssContentExcerpt( $content ) {
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return $this->addRssContent( $content, 'excerpt' );
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}
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/**
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* Adds content before or after the RSS post.
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*
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* @since 4.0.0
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*
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* @param string $content The post content.
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* @param string $type Type of feed.
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* @return string The post content with prepended/appended content.
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*/
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public function addRssContent( $content, $type = 'complete' ) {
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$content = trim( $content );
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if ( empty( $content ) ) {
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return '';
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}
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if ( is_feed() ) {
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global $wp_query; // phpcs:ignore Squiz.NamingConventions.ValidVariableName
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$isHome = is_home();
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if ( $isHome ) {
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// If this feed is for the static blog page, we must temporarily set "is_home" to false.
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// Otherwise any getPost() calls will return the blog page object for every post in the feed.
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$wp_query->is_home = false; // phpcs:ignore Squiz.NamingConventions.ValidVariableName
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}
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$before = aioseo()->tags->replaceTags( aioseo()->options->rssContent->before, get_the_ID() );
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$after = aioseo()->tags->replaceTags( aioseo()->options->rssContent->after, get_the_ID() );
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if ( $before || $after ) {
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if ( 'excerpt' === $type ) {
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$content = wpautop( $content );
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}
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$content = aioseo()->helpers->decodeHtmlEntities( $before ) . $content . aioseo()->helpers->decodeHtmlEntities( $after );
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}
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// Set back to the original value.
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$wp_query->is_home = $isHome; // phpcs:ignore Squiz.NamingConventions.ValidVariableName
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}
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return $content;
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}
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/**
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* Disable feeds we don't want to have on this site.
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*
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* @since 4.2.1
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*
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* @return void
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*/
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public function disableFeeds() {
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$archives = aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->archives->included;
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if ( BuddyPressIntegration::isComponentPage() ) {
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list( $postType, $suffix ) = explode( '_', aioseo()->standalone->buddyPress->component->templateType );
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if (
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'feed' === $suffix &&
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->archives->all &&
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! in_array( $postType, $archives, true )
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) {
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$this->redirectRssFeed( BuddyPressIntegration::getComponentArchiveUrl( 'activity' ) );
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}
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}
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if ( ! is_feed() ) {
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return;
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}
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$rssFeed = get_query_var( 'feed' );
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$homeUrl = get_home_url();
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// Atom feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->atom &&
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'atom' === $rssFeed
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// RDF/RSS 1.0 feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->rdf &&
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'rdf' === $rssFeed
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Global feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->global &&
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[ 'feed' => 'feed' ] === $GLOBALS['wp_query']->query
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Global comments feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->globalComments &&
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is_comment_feed() &&
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! ( is_singular() || is_attachment() )
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Static blog page feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->staticBlogPage &&
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aioseo()->helpers->getBlogPageId() === get_queried_object_id()
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Post comment feeds.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->postComments &&
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is_comment_feed() &&
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is_singular()
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Attachment feeds.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->attachments &&
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'feed' === $rssFeed &&
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get_query_var( 'attachment', false )
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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// Author feeds.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->authors &&
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is_author()
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) {
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$this->redirectRssFeed( get_author_posts_url( (int) get_query_var( 'author' ) ) );
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}
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// Search results feed.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->search &&
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is_search()
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) {
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$this->redirectRssFeed( esc_url( trailingslashit( $homeUrl ) . '?s=' . get_search_query() ) );
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}
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// All post types.
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$postType = $this->getTheQueriedPostType();
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->archives->all &&
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! in_array( $postType, $archives, true ) &&
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is_post_type_archive()
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) {
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$this->redirectRssFeed( get_post_type_archive_link( $postType ) );
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}
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// All taxonomies.
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$taxonomies = aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->taxonomies->included;
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$term = get_queried_object();
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if (
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is_a( $term, 'WP_Term' ) &&
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->taxonomies->all &&
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! in_array( $term->taxonomy, $taxonomies, true ) &&
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(
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is_category() ||
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is_tag() ||
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is_tax()
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)
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) {
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$termUrl = get_term_link( $term, $term->taxonomy );
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if ( is_wp_error( $termUrl ) ) {
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$termUrl = $homeUrl;
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}
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$this->redirectRssFeed( $termUrl );
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}
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if ( ! isset( $_SERVER['REQUEST_URI'] ) ) {
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return;
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}
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// Paginated feed pages. This one is last since we are using a regular expression to validate.
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if (
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! aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->paginated &&
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preg_match( '/(\d+\/|(?<=\/)page\/\d+\/)$/', (string) sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) )
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) {
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$this->redirectRssFeed( $homeUrl );
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}
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}
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/**
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* Get the currently queried post type.
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*
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* @since 4.2.1
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*
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* @return string The queried post type.
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*/
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private function getTheQueriedPostType() {
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$postType = get_query_var( 'post_type' );
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if ( is_array( $postType ) ) {
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$postType = reset( $postType );
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}
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return $postType;
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}
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/**
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* Redirect the feed to the appropriate URL.
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*
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* @since 4.2.1
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*
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* @return void
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*/
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private function redirectRssFeed( $url ) {
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if ( empty( $url ) ) {
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return;
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}
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// Set or remove headers.
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header_remove( 'Content-Type' );
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header_remove( 'Last-Modified' );
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header_remove( 'Expires' );
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$cache = 'public, max-age=604800, s-maxage=604800, stale-while-revalidate=120, stale-if-error=14400';
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if ( is_user_logged_in() ) {
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$cache = 'private, max-age=0';
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}
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header( 'Cache-Control: ' . $cache, true );
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wp_safe_redirect( $url, 301, AIOSEO_PLUGIN_SHORT_NAME );
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}
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/**
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* Rewrite the RSS feed links.
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*
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* @since 4.2.1
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*
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* @param array $args The arguments to filter.
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* @return void
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*/
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public function rssFeedLinks( $args ) {
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$defaults = [
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// Translators: Separator between blog name and feed type in feed links.
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'separator' => _x( '-', 'feed link', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Post title.
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'singletitle' => __( '%1$s %2$s %3$s Comments Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Category name.
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'cattitle' => __( '%1$s %2$s %3$s Category Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Tag name.
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'tagtitle' => __( '%1$s %2$s %3$s Tag Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Term name, 4: Taxonomy singular name.
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'taxtitle' => __( '%1$s %2$s %3$s %4$s Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Author name.
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'authortitle' => __( '%1$s %2$s Posts by %3$s Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Search query.
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'searchtitle' => __( '%1$s %2$s Search Results for “%3$s” Feed', 'all-in-one-seo-pack' ),
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// Translators: 1 - Blog name, 2 - Separator (raquo), 3 - Post type name.
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'posttypetitle' => __( '%1$s %2$s %3$s Feed', 'all-in-one-seo-pack' ),
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];
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$args = wp_parse_args( $args, $defaults );
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$attributes = [
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'title' => null,
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'href' => null
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];
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if (
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aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->postComments &&
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is_singular()
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) {
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$attributes = $this->getPostCommentsAttributes( $args );
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}
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$archives = aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->archives->included;
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$postType = $this->getTheQueriedPostType();
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if (
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(
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aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->archives->all ||
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in_array( $postType, $archives, true )
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) &&
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is_post_type_archive()
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) {
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$attributes = $this->getPostTypeArchivesAttributes( $args );
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}
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// All taxonomies.
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$taxonomies = aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->taxonomies->included;
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$term = get_queried_object();
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if (
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$term &&
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isset( $term->taxonomy ) &&
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(
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aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->taxonomies->all ||
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in_array( $term->taxonomy, $taxonomies, true )
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) &&
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(
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is_category() ||
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is_tag() ||
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is_tax()
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)
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) {
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|
|
$attributes = $this->getTaxonomiesAttributes( $args, $term );
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->authors &&
|
||
|
|
is_author()
|
||
|
|
) {
|
||
|
|
$attributes = $this->getAuthorAttributes( $args );
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
aioseo()->options->searchAppearance->advanced->crawlCleanup->feeds->search &&
|
||
|
|
is_search()
|
||
|
|
) {
|
||
|
|
$attributes = $this->getSearchAttributes( $args );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $attributes['title'] ) && ! empty( $attributes['href'] ) ) {
|
||
|
|
echo '<link rel="alternate" type="application/rss+xml" title="' . esc_attr( $attributes['title'] ) . '" href="' . esc_url( $attributes['href'] ) . '" />' . "\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the attributes for post comments feed.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @param array $args An array of arguments.
|
||
|
|
* @return array An array of attributes.
|
||
|
|
*/
|
||
|
|
private function getPostCommentsAttributes( $args ) {
|
||
|
|
$id = 0;
|
||
|
|
$post = get_post( $id );
|
||
|
|
$title = null;
|
||
|
|
$href = null;
|
||
|
|
|
||
|
|
if (
|
||
|
|
comments_open() ||
|
||
|
|
pings_open() ||
|
||
|
|
0 < $post->comment_count
|
||
|
|
) {
|
||
|
|
$title = sprintf(
|
||
|
|
$args['singletitle'],
|
||
|
|
get_bloginfo( 'name' ),
|
||
|
|
$args['separator'],
|
||
|
|
the_title_attribute( [ 'echo' => false ] )
|
||
|
|
);
|
||
|
|
|
||
|
|
$href = get_post_comments_feed_link( $post->ID );
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
'title' => $title,
|
||
|
|
'href' => $href
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the attributes for post type archives feed.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @param array $args An array of arguments.
|
||
|
|
* @return array An array of attributes.
|
||
|
|
*/
|
||
|
|
private function getPostTypeArchivesAttributes( $args ) {
|
||
|
|
$postTypeObject = get_post_type_object( $this->getQueriedPostType() );
|
||
|
|
$title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $postTypeObject->labels->name );
|
||
|
|
$href = get_post_type_archive_feed_link( $postTypeObject->name );
|
||
|
|
|
||
|
|
return [
|
||
|
|
'title' => $title,
|
||
|
|
'href' => $href
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the attributes for taxonomies feed.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @param array $args An array of arguments.
|
||
|
|
* @param \WP_Term $term The term.
|
||
|
|
* @return array An array of attributes.
|
||
|
|
*/
|
||
|
|
private function getTaxonomiesAttributes( $args, $term ) {
|
||
|
|
$title = null;
|
||
|
|
$href = null;
|
||
|
|
|
||
|
|
if ( is_category() ) {
|
||
|
|
$title = sprintf( $args['cattitle'], get_bloginfo( 'name' ), $args['separator'], $term->name );
|
||
|
|
$href = get_category_feed_link( $term->term_id );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( is_tag() ) {
|
||
|
|
$title = sprintf( $args['tagtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name );
|
||
|
|
$href = get_tag_feed_link( $term->term_id );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( is_tax() ) {
|
||
|
|
$tax = get_taxonomy( $term->taxonomy );
|
||
|
|
$title = sprintf( $args['taxtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name, $tax->labels->singular_name );
|
||
|
|
$href = get_term_feed_link( $term->term_id, $term->taxonomy );
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
'title' => $title,
|
||
|
|
'href' => $href
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the attributes for the author feed.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @param array $args An array of arguments.
|
||
|
|
* @return array An array of attributes.
|
||
|
|
*/
|
||
|
|
private function getAuthorAttributes( $args ) {
|
||
|
|
$authorId = (int) get_query_var( 'author' );
|
||
|
|
$title = sprintf( $args['authortitle'], get_bloginfo( 'name' ), $args['separator'], get_the_author_meta( 'display_name', $authorId ) );
|
||
|
|
$href = get_author_feed_link( $authorId );
|
||
|
|
|
||
|
|
return [
|
||
|
|
'title' => $title,
|
||
|
|
'href' => $href
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieve the attributes for the search feed.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @param array $args An array of arguments.
|
||
|
|
* @return array An array of attributes.
|
||
|
|
*/
|
||
|
|
private function getSearchAttributes( $args ) {
|
||
|
|
$title = sprintf( $args['searchtitle'], get_bloginfo( 'name' ), $args['separator'], get_search_query( false ) );
|
||
|
|
$href = get_search_feed_link();
|
||
|
|
|
||
|
|
return [
|
||
|
|
'title' => $title,
|
||
|
|
'href' => $href
|
||
|
|
];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the currently queried post type.
|
||
|
|
*
|
||
|
|
* @since 4.2.1
|
||
|
|
*
|
||
|
|
* @return string The currently queried post type.
|
||
|
|
*/
|
||
|
|
private function getQueriedPostType() {
|
||
|
|
$postType = get_query_var( 'post_type' );
|
||
|
|
if ( is_array( $postType ) ) {
|
||
|
|
$postType = reset( $postType );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $postType;
|
||
|
|
}
|
||
|
|
}
|