*/ namespace RankMath\Frontend; use RankMath\Post; use RankMath\Helper; use RankMath\Paper\Paper; use RankMath\Traits\Hooker; use RankMath\OpenGraph\Twitter; use RankMath\OpenGraph\Facebook; use RankMath\OpenGraph\Slack; use RankMath\Frontend\Shortcodes; defined( 'ABSPATH' ) || exit; /** * Frontend class. * * @copyright Copyright (C) 2008-2019, Yoast BV * 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. */ class Frontend { use Hooker; /** * The Constructor. */ public function __construct() { if ( \RankMath\Helpers\Param::get( 'et_fb' ) ) { return; } $this->includes(); $this->hooks(); /** * Fires when frontend is included/loaded. */ $this->do_action( 'frontend/loaded' ); } /** * Include required files. */ private function includes() { rank_math()->shortcodes = new Shortcodes(); if ( Helper::is_breadcrumbs_enabled() ) { /** * If RM's breadcrumbs are enabled then we can remove the bbPress breadcrumbs. */ add_filter( 'bbp_get_breadcrumb', '__return_false' ); } new Redirection(); rank_math()->link_attributes = new Link_Attributes(); rank_math()->comments = new Comments(); } /** * Hook into actions and filters. */ private function hooks() { $this->action( 'wp_enqueue_scripts', 'enqueue' ); $this->action( 'wp', 'integrations' ); $this->filter( 'the_content_feed', 'embed_rssfooter' ); $this->filter( 'the_excerpt_rss', 'embed_rssfooter_excerpt' ); // Add support for shortcode in the Category/Term description. add_filter( 'category_description', 'do_shortcode' ); add_filter( 'term_description', 'do_shortcode' ); } /** * Initialize integrations. */ public function integrations() { $type = get_query_var( 'sitemap' ); if ( $this->do_filter( 'frontend/disable_integration', ! empty( $type ) || is_customize_preview() ) ) { return; } Paper::get(); new Facebook(); new Twitter(); new Slack(); // Leave this for backwards compatibility as AMP plugin uses head function. We can remove this in the future update. rank_math()->head = new Head(); if ( function_exists( 'amp_is_dev_mode' ) && amp_is_dev_mode() ) { $this->filter( 'script_loader_tag', 'add_amp_dev_mode_attributes', 10, 2 ); $this->filter( 'amp_dev_mode_element_xpaths', 'add_amp_dev_mode_xpaths' ); } } /** * Enqueue Styles and Scripts */ public function enqueue() { if ( ! is_admin_bar_showing() || ! Helper::has_cap( 'admin_bar' ) ) { return; } wp_enqueue_style( 'rank-math', rank_math()->assets() . 'css/rank-math.css', null, rank_math()->version ); wp_enqueue_script( 'rank-math', rank_math()->assets() . 'js/rank-math.js', [ 'jquery' ], rank_math()->version, true ); if ( is_singular() ) { Helper::add_json( 'objectID', Post::get_page_id() ); Helper::add_json( 'objectType', 'post' ); } elseif ( is_category() || is_tag() || is_tax() ) { Helper::add_json( 'objectID', get_queried_object_id() ); Helper::add_json( 'objectType', 'term' ); } elseif ( is_author() ) { Helper::add_json( 'objectID', get_queried_object_id() ); Helper::add_json( 'objectType', 'user' ); } } /** * Adds the RSS header and footer messages to the RSS feed item content. * * @param string $content Feed item content. * * @return string */ public function embed_rssfooter( $content ) { return $this->embed_rss( $content, 'full' ); } /** * Adds the RSS header and footer messages to the RSS feed item excerpt. * * @param string $content Feed item excerpt. * * @return string */ public function embed_rssfooter_excerpt( $content ) { return $this->embed_rss( $content, 'excerpt' ); } /** * Add data-ampdevmode attribute to enqueued scripts. * * @since 1.0.45 * * @param string $tag The script tag. * @param string $handle The script handle. * * @return string Modified script tag. */ public function add_amp_dev_mode_attributes( $tag, $handle ) { if ( ! in_array( $handle, [ 'rank-math', 'jquery-core', 'jquery-migrate' ], true ) ) { return $tag; } return preg_replace( '/(?<=)/i', ' data-ampdevmode', $tag ); } /** * Add data-ampdevmode attributes to the elements that need it. * * @since 1.0.45 * * @param string[] $xpaths XPath queries for elements that should get the data-ampdevmode attribute. * * @return string[] XPath queries. */ public function add_amp_dev_mode_xpaths( $xpaths ) { $xpaths[] = '//script[ contains( text(), "var rankMath" ) ]'; $xpaths[] = '//*[ @id = "rank-math-css" ]'; $xpaths[] = '//a[starts-with(@href, "tel://")]'; return $xpaths; } /** * Inserts the RSS header and footer messages in the RSS feed item. * * @param string $content Feed item content. * @param string $context Feed item context, 'excerpt' or 'full'. * * @return string */ private function embed_rss( $content, $context = 'full' ) { if ( false === $this->can_embed_footer( $content, $context ) ) { return $content; } $before = $this->get_rss_content( 'before' ); $after = $this->get_rss_content( 'after' ); if ( '' === $before && '' === $after ) { return $content; } if ( 'excerpt' === $context && '' !== trim( $content ) ) { $content = wpautop( $content ); } return $before . $content . $after; } /** * Check if we can add the RSS footer and/or header to the RSS feed item. * * @copyright Copyright (C) 2008-2019, Yoast BV * 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. * * @param string $content Feed item content. * @param string $context Feed item context, either 'excerpt' or 'full'. * * @return bool */ private function can_embed_footer( $content, $context ) { /** * Allow the RSS footer to be dynamically shown/hidden. * * @param bool $show_embed Indicates if the RSS footer should be shown or not. * @param string $context The context of the RSS content - 'full' or 'excerpt'. */ if ( false === $this->do_filter( 'frontend/rss/include_footer', true, $context ) ) { return false; } return is_feed(); } /** * Get RSS content for specified location. * * @param string $which Location ID. * * @return string */ private function get_rss_content( $which ) { $content = $this->do_filter( 'frontend/rss/' . $which . '_content', Helper::get_settings( 'general.rss_' . $which . '_content' ) ); return '' !== $content ? wpautop( $this->rss_replace_vars( $content ) ) : $content; } /** * Replace variables with the actual values in RSS header and footer messages. * * @param string $content The RSS content. * * @return string */ private function rss_replace_vars( $content ) { global $post; /** * Add nofollow for the links in the RSS header and footer messages. Default: true. * * @param bool $unsigned Whether or not to follow the links in RSS feed, defaults to true. */ $no_follow = $this->do_filter( 'frontend/rss/nofollow_links', true ); $no_follow = true === $no_follow ? 'rel="nofollow" ' : ''; $author_link = ''; if ( is_object( $post ) ) { $author_link = '' . esc_html( get_the_author() ) . ''; } $post_link = '' . esc_html( get_the_title() ) . ''; $blog_link = '' . esc_html( get_bloginfo( 'name' ) ) . ''; $blog_desc_link = '' . esc_html( get_bloginfo( 'name' ) ) . ' - ' . esc_html( get_bloginfo( 'description' ) ) . ''; // Featured image. $image = Helper::get_thumbnail_with_fallback( $post->ID, 'full' ); $image = isset( $image[0] ) ? '' : ''; $content = stripslashes( trim( $content ) ); $content = str_replace( '%AUTHORLINK%', $author_link, $content ); $content = str_replace( '%POSTLINK%', $post_link, $content ); $content = str_replace( '%BLOGLINK%', $blog_link, $content ); $content = str_replace( '%BLOGDESCLINK%', $blog_desc_link, $content ); $content = str_replace( '%FEATUREDIMAGE%', $image, $content ); return $content; } }