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class-jetpack-seo-posts.php��0000644��00000011733�14722072477�0011754 0��ustar�00��<?php /** * Class containing utility static methods for managing SEO options for Posts and Pages. * * @package automattic/jetpack / /* * Provides static utility methods for managing SEO options for Posts and Pages. / class Jetpack_SEO_Posts { /* * Key of the post meta values that will be used to store post custom data. / const DESCRIPTION_META_KEY = 'advanced_seo_description'; const HTML_TITLE_META_KEY = 'jetpack_seo_html_title'; const NOINDEX_META_KEY = 'jetpack_seo_noindex'; const POST_META_KEYS_ARRAY = array( self::DESCRIPTION_META_KEY, self::HTML_TITLE_META_KEY, self::NOINDEX_META_KEY, ); /* * Build meta description for post SEO. * * @param WP_Post\|null $post Source of data for custom description. * * @return string Post description or empty string. / public static function get_post_description( $post = null ) { $post = get_post( $post ); if ( ! ( $post instanceof WP_Post ) ) { return ''; } if ( post_password_required() \|\| ! is_singular() ) { return ''; } // Business users can overwrite the description. $custom_description = self::get_post_custom_description( $post ); if ( ! empty( $custom_description ) ) { return $custom_description; } if ( ! empty( $post->post_excerpt ) ) { return $post->post_excerpt; } return $post->post_content; } /* * Returns post's custom meta description if it is set, and if * SEO tools are enabled for current blog. * * @param WP_Post\|null $post Source of data for custom description. * * @return string Custom description or empty string / public static function get_post_custom_description( $post = null ) { $post = get_post( $post ); if ( ! ( $post instanceof WP_Post ) ) { return ''; } $custom_description = get_post_meta( $post->ID, self::DESCRIPTION_META_KEY, true ); if ( empty( $custom_description ) \|\| ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) { return ''; } return $custom_description; } /* * Gets a custom HTML title for a post if one is set, and if * SEO tools are enabled for the current blog. * * @param WP_Post\|null $post Source of data for the custom HTML title. * * @return string Custom HTML title or an empty string if not set. / public static function get_post_custom_html_title( $post = null ) { $post = get_post( $post ); if ( ! ( $post instanceof WP_Post ) ) { return ''; } $custom_html_title = get_post_meta( $post->ID, self::HTML_TITLE_META_KEY, true ); if ( empty( $custom_html_title ) \|\| ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) { return ''; } return $custom_html_title; } /* * Gets the `jetpack_seo_noindex` setting for a post, if * SEO tools are enabled for the current blog. * * @param WP_Post\|null $post Provided post or defaults to the global post. * * @return bool True if post should be marked as noindex, false otherwise. / public static function get_post_noindex_setting( $post = null ) { $post = get_post( $post ); if ( ! ( $post instanceof WP_Post ) ) { return false; } $mark_as_noindex = get_post_meta( $post->ID, self::NOINDEX_META_KEY, true ); if ( empty( $mark_as_noindex ) \|\| ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) { return false; } return (bool) $mark_as_noindex; } /* * Filter callback for `jetpack_sitemap_skip_post`; if a post has `jetpack_seo_noindex` set to true, * then exclude that post from the Jetpack sitemap. * * @param bool $skip Whether to skip the post in the sitemap. * @param WP_Post $post The post to check. * * @return bool / public static function exclude_noindex_posts_from_jetpack_sitemap( $skip, $post ) { $exclude = self::get_post_noindex_setting( $post ); if ( $exclude ) { $skip = true; } return $skip; } /* * Registers the following meta keys for use in the REST API: * - self::DESCRIPTION_META_KEY * - self::HTML_TITLE_META_KEY / public static function register_post_meta() { $description_args = array( 'type' => 'string', 'description' => __( 'Custom post description to be used in HTML <meta /> tag.', 'jetpack' ), 'single' => true, 'default' => '', 'show_in_rest' => array( 'name' => self::DESCRIPTION_META_KEY, ), ); $html_title_args = array( 'type' => 'string', 'description' => __( 'Custom title to be used in HTML <title /> tag.', 'jetpack' ), 'single' => true, 'default' => '', 'show_in_rest' => array( 'name' => self::HTML_TITLE_META_KEY, ), ); $noindex_args = array( 'type' => 'boolean', 'description' => __( 'Whether to hide the post from search engines and the Jetpack sitemap.', 'jetpack' ), 'single' => true, 'default' => false, 'show_in_rest' => array( 'name' => self::NOINDEX_META_KEY, ), ); register_meta( 'post', self::DESCRIPTION_META_KEY, $description_args ); register_meta( 'post', self::HTML_TITLE_META_KEY, $html_title_args ); register_meta( 'post', self::NOINDEX_META_KEY, $noindex_args ); } } ��class-jetpack-seo-utils.php��0000644��00000007707�14722072477�0011752 0��ustar�00��<?php /* * Class containing utility static methods that other SEO tools are relying on. * * @package automattic/jetpack / /* * Class containing utility static methods that other SEO tools are relying on. / class Jetpack_SEO_Utils { /* * Site option name used to store front page meta description. / const FRONT_PAGE_META_OPTION = 'advanced_seo_front_page_description'; /* * The LEGACY_META_OPTION is used to support legacy usage on WPcom simple sites (free or paid). * For WPorg JP sites, the JP seo-tools features were made free for all sites (free or paid). / const LEGACY_META_OPTION = 'seo_meta_description'; /* * Used to check whether SEO tools are enabled for given site. * * @return bool True if SEO tools are enabled, false otherwise. / public static function is_enabled_jetpack_seo() { /* * Can be used by SEO plugin authors to disable the conflicting output of SEO Tools. * * @module seo-tools * * @since 5.0.0 * * @param bool True if SEO Tools should be disabled, false otherwise. / if ( apply_filters( 'jetpack_disable_seo_tools', false ) ) { return false; } if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { return wpcom_site_has_feature( 'advanced-seo', get_current_blog_id() ); } return true; } /* * Checks if this option was set while it was freely available to all WPcom simple sites. * * @return bool True if we should enable legacy usage, false otherwise. / public static function has_legacy_front_page_meta() { return ! self::is_enabled_jetpack_seo() && get_option( self::LEGACY_META_OPTION ); } /* * Returns front page meta description for current site. * * @return string Front page meta description string or empty string. / public static function get_front_page_meta_description() { if ( self::is_enabled_jetpack_seo() ) { $front_page_meta = get_option( self::FRONT_PAGE_META_OPTION ); return $front_page_meta ? $front_page_meta : get_option( self::LEGACY_META_OPTION, '' ); } // Support legacy usage for WPcom simple sites. return get_option( self::LEGACY_META_OPTION, '' ); } /* * Sanitizes the custom front page meta description input. * * @param string $value Front page meta string. * * @return string The sanitized string. / public static function sanitize_front_page_meta_description( $value ) { return wp_strip_all_tags( $value ); } /* * Updates the site option value for front page meta description. * * @param string $value New value for front page meta description. * * @return string Saved value, or empty string if no update was performed. / public static function update_front_page_meta_description( $value ) { $front_page_description = self::sanitize_front_page_meta_description( $value ); /* * Can be used to limit the length of front page meta description. * * @module seo-tools * * @since 4.4.0 * * @param int Maximum length of front page meta description. Defaults to 300. / $description_max_length = apply_filters( 'jetpack_seo_front_page_description_max_length', 300 ); if ( function_exists( 'mb_substr' ) ) { $front_page_description = mb_substr( $front_page_description, 0, $description_max_length ); } else { $front_page_description = substr( $front_page_description, 0, $description_max_length ); } $can_set_meta = self::is_enabled_jetpack_seo(); $legacy_meta_option = get_option( self::LEGACY_META_OPTION ); $has_old_meta = ! empty( $legacy_meta_option ); $option_name = self::has_legacy_front_page_meta() ? self::LEGACY_META_OPTION : self::FRONT_PAGE_META_OPTION; $did_update = update_option( $option_name, $front_page_description ); if ( $did_update && $has_old_meta && $can_set_meta ) { // Delete legacy option if user has switched to Business or eCommerce plan and updated the front page meta description. delete_option( self::LEGACY_META_OPTION ); } if ( $did_update ) { return $front_page_description; } return ''; } } ��class-jetpack-seo.php��0000644��00000017473�14722072477�0010615 0��ustar�00��<?php /* * Main class file for the SEO Tools module. * * @package automattic/jetpack / /* * An SEO expert walks into a bar, bars, pub, public house, Irish pub, drinks, beer, wine, liquor, Grey Goose, Cristal... / class Jetpack_SEO { /* * Constructor. / public function __construct() { add_action( 'init', array( $this, 'init' ) ); } /* * Initialization method for Jetpack_SEO. / public function init() { /* * Can be used to prevent SEO tools from inserting custom meta tags. * * @module seo-tools * * @since 4.4.0 * * @param bool true Should Jetpack's SEO Meta Tags be enabled. Defaults to true. / if ( apply_filters( 'jetpack_seo_meta_tags_enabled', true ) ) { add_action( 'wp_head', array( $this, 'meta_tags' ) ); // Add support for editing page excerpts in pages, regardless of theme support. add_post_type_support( 'page', 'excerpt' ); } /* * Can be used to prevent SEO tools from modifying site titles. * * @module seo-tools * * @since 4.4.0 * * @param bool true Should Jetpack SEO modify site titles. Defaults to true. / if ( apply_filters( 'jetpack_seo_custom_titles', true ) ) { // Overwrite page title with custom SEO meta title for themes that support title-tag. add_filter( 'pre_get_document_title', array( 'Jetpack_SEO_Titles', 'get_custom_title' ) ); // Add overwrite support for themes that don't support title-tag. add_filter( 'wp_title', array( 'Jetpack_SEO_Titles', 'get_custom_title' ) ); } add_filter( 'jetpack_open_graph_tags', array( $this, 'set_custom_og_tags' ) ); Jetpack_SEO_Posts::register_post_meta(); // Exclude posts with 'jetpack_seo_noindex' set true from the Jetpack sitemap. add_filter( 'jetpack_sitemap_skip_post', array( 'Jetpack_SEO_Posts', 'exclude_noindex_posts_from_jetpack_sitemap' ), 10, 2 ); } /* * Helper method to fetch authors. / private function get_authors() { global $wp_query; $authors = array(); foreach ( $wp_query->posts as $post ) { $authors[] = get_the_author_meta( 'display_name', (int) $post->post_author ); } $authors = array_unique( $authors ); return $authors; } /* * Constructs open graph tag data. * * @param array $tags Array of tag data. * @return array of tag data. / public function set_custom_og_tags( $tags ) { $custom_title = Jetpack_SEO_Titles::get_custom_title(); if ( ! empty( $custom_title ) ) { $tags['og:title'] = $custom_title; } $post_custom_description = Jetpack_SEO_Posts::get_post_custom_description( get_post() ); $front_page_meta = Jetpack_SEO_Utils::get_front_page_meta_description(); if ( class_exists( 'woocommerce' ) && is_shop() ) { $shop_page_id = get_option( 'woocommerce_shop_page_id' ); if ( $shop_page_id ) { $post_custom_description = Jetpack_SEO_Posts::get_post_custom_description( get_post( $shop_page_id ) ); } } if ( is_front_page() && ! empty( $front_page_meta ) ) { $tags['og:description'] = $front_page_meta; } elseif ( ! empty( $post_custom_description ) ) { $tags['og:description'] = $post_custom_description; } return $tags; } /* * Outputs Jetpack's SEO <meta> tags. / public function meta_tags() { global $wp_query; $post_count = is_countable( $wp_query->posts ) ? count( $wp_query->posts ) : 0; $period = ''; $template = ''; $meta = array(); /* * Can be used to specify a list of themes that set their own meta tags. * * If current site is using one of the themes listed as conflicting, inserting Jetpack SEO * meta tags will be prevented. * * @module seo-tools * * @since 4.4.0 * * @param array List of conflicted theme names. Defaults to empty array. / $conflicted_themes = apply_filters( 'jetpack_seo_meta_tags_conflicted_themes', array() ); if ( isset( $conflicted_themes[ get_option( 'template' ) ] ) ) { return; } $front_page_meta = Jetpack_SEO_Utils::get_front_page_meta_description(); $description = $front_page_meta ? $front_page_meta : get_bloginfo( 'description' ); $meta['description'] = trim( $description ); // Try to target things if we're on a "specific" page of any kind. if ( is_singular() ) { if ( ! ( is_front_page() && Jetpack_SEO_Utils::get_front_page_meta_description() ) ) { $description = Jetpack_SEO_Posts::get_post_description( get_post() ); if ( $description ) { $description = wp_trim_words( strip_shortcodes( wp_strip_all_tags( $description, true ) ) ); $meta['description'] = $description; } } } elseif ( is_author() ) { $obj = get_queried_object(); $meta['description'] = sprintf( / translators: first property is an user's display name, the second is the site's title. / _x( 'Read all of the posts by %1$s on %2$s', 'Read all of the posts by Author Name on Blog Title', 'jetpack' ), isset( $obj->display_name ) ? $obj->display_name : __( 'the author', 'jetpack' ), get_bloginfo( 'title' ) ); } elseif ( is_tag() \|\| is_category() \|\| is_tax() ) { $obj = get_queried_object(); $description = ''; if ( isset( $obj->term_id ) && isset( $obj->taxonomy ) ) { $description = get_term_field( 'description', $obj->term_id, $obj->taxonomy, 'raw' ); } if ( ! is_wp_error( $description ) && $description ) { $meta['description'] = wp_trim_words( $description ); } else { $authors = $this->get_authors(); $meta['description'] = wp_sprintf( / translators: %1$s: A post category. %2$l: Post authors. / _x( 'Posts about %1$s written by %2$l', 'Posts about Category written by John and Bob', 'jetpack' ), single_term_title( '', false ), $authors ); } } elseif ( is_date() ) { if ( is_year() ) { $period = get_query_var( 'year' ); / translators: %1$s: Number of posts published. %2$l: Post author. %3$s: A year date. / $template = _nx( '%1$s post published by %2$l in the year %3$s', // Singular. '%1$s posts published by %2$l in the year %3$s', // Plural. $post_count, // Number. '10 posts published by John in the year 2012', // Context. 'jetpack' ); } elseif ( is_month() ) { $period = gmdate( 'F Y', mktime( 0, 0, 0, get_query_var( 'monthnum' ), 1, get_query_var( 'year' ) ) ); / translators: %1$s: Number of posts published. %2$l: Post author. %3$s: A month/year date. / $template = _nx( '%1$s post published by %2$l during %3$s', // Singular. '%1$s posts published by %2$l during %3$s', // Plural. $post_count, // Number. '10 posts publishes by John during May 2012', // Context. 'jetpack' ); } elseif ( is_day() ) { $period = gmdate( 'F j, Y', mktime( 0, 0, 0, get_query_var( 'monthnum' ), get_query_var( 'day' ), get_query_var( 'year' ) ) ); / translators: %1$s: Number of posts published. %2$l: Post author. %3$s: A month/day/year date. / $template = _nx( '%1$s post published by %2$l on %3$s', // Singular. '%1$s posts published by %2$l on %3$s', // Plural. $post_count, // Number. '10 posts published by John on May 30, 2012', // Context. 'jetpack' ); } $authors = $this->get_authors(); $meta['description'] = wp_sprintf( $template, $post_count, $authors, $period ); } $mark_as_noindex = Jetpack_SEO_Posts::get_post_noindex_setting( get_post() ); if ( $mark_as_noindex ) { $meta['robots'] = 'noindex'; } /* * Can be used to edit the default SEO tools meta tags. * * @module seo-tools * * @since 4.4.0 * * @param array Array that consists of meta name and meta content pairs. / $meta = apply_filters( 'jetpack_seo_meta_tags', $meta ); // Output them. foreach ( $meta as $name => $content ) { if ( ! empty( $content ) ) { echo '<meta name="' . esc_attr( $name ) . '" content="' . esc_attr( $content ) . '" />' . "\n"; } } } } ��class-jetpack-seo-titles.php��0000644��00000023036�14722072477�0012107 0��ustar�00��<?php /* * Class containing utility static methods for managing SEO custom title formats. * * @package automattic/jetpack / / * Each title format is an array of arrays containing two values: * - type * - value * * Possible values for type are: 'token' and 'string'. * Possible values for 'value' are: any string in case that 'type' is set * to 'string', or allowed token values for page type in case that 'type' * is set to 'token'. * * Examples of valid formats: * * [ * 'front_page' => [ * [ 'type' => 'string', 'value' => 'Front page title and site name:'], * [ 'type' => 'token', 'value' => 'site_name'] * ], * 'posts' => [ * [ 'type' => 'token', 'value' => 'site_name' ], * [ 'type' => 'string', 'value' => ' \| ' ], * [ 'type' => 'token', 'value' => 'post_title' ] * ], * 'pages' => [], * 'groups' => [], * 'archives' => [] * ] * Custom title for given page type is created by concatenating all of the array 'value' parts. * Tokens are replaced with their corresponding values for current site. * Empty array signals that we are not overriding the default title for particular page type. / /* * Class containing utility static methods for managing SEO custom title formats. / class Jetpack_SEO_Titles { /* * Site option name used to store custom title formats. / const TITLE_FORMATS_OPTION = 'advanced_seo_title_formats'; /* * Retrieves custom title formats from site option. * * @return array Array of custom title formats, or empty array. / public static function get_custom_title_formats() { if ( Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) { return get_option( self::TITLE_FORMATS_OPTION, array() ); } return array(); } /* * Returns tokens that are currently supported for each page type. * * @return array Array of allowed token strings. / public static function get_allowed_tokens() { return array( 'front_page' => array( 'site_name', 'tagline' ), 'posts' => array( 'site_name', 'tagline', 'post_title' ), 'pages' => array( 'site_name', 'tagline', 'page_title' ), 'groups' => array( 'site_name', 'tagline', 'group_title' ), 'archives' => array( 'site_name', 'tagline', 'date', 'archive_title' ), ); } /* * Used to modify the default title with custom SEO title. * * @param string $default_title Default title for current page. * * @return string A custom per-post title, custom title structure with replaced tokens, or default title. / public static function get_custom_title( $default_title = '' ) { // Don't filter title for unsupported themes. if ( self::is_conflicted_theme() ) { return $default_title; } $page_type = self::get_page_type(); // Keep default title if invalid page type is supplied. if ( empty( $page_type ) ) { return $default_title; } if ( ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) { return $default_title; } // If it's a singular -- page or post -- check for a meta title override. if ( 'pages' === $page_type \|\| 'posts' === $page_type ) { $post = get_post(); if ( $post instanceof WP_Post ) { $custom_title = get_post_meta( $post->ID, Jetpack_SEO_Posts::HTML_TITLE_META_KEY, true ); if ( ! empty( trim( $custom_title ) ) ) { return esc_html( $custom_title ); } } } $title_formats = self::get_custom_title_formats(); // Keep default title if user has not defined custom title for this page type. if ( empty( $title_formats[ $page_type ] ) ) { return $default_title; } $custom_title = ''; $format_array = $title_formats[ $page_type ]; foreach ( $format_array as $item ) { if ( 'token' === $item['type'] ) { $custom_title .= self::get_token_value( $item['value'] ); } else { $custom_title .= $item['value']; } } return esc_html( $custom_title ); } /* * Returns string value for given token. * * @param string $token_name The token name value that should be replaced. * * @return string Token replacement for current site, or empty string for unknown token name. / public static function get_token_value( $token_name ) { switch ( $token_name ) { case 'site_name': return get_bloginfo( 'name' ); case 'tagline': return get_bloginfo( 'description' ); case 'post_title': case 'page_title': return the_title_attribute( array( 'echo' => false ) ); case 'group_title': return single_tag_title( '', false ); case 'date': case 'archive_title': return self::get_archive_title(); default: return ''; } } /* * Returns page type for current page. We need this helper in order to determine what * user defined title format should be used for custom title. * * @return string\|bool Type of current page or false if unsupported. / public static function get_page_type() { if ( is_front_page() ) { return 'front_page'; } if ( is_category() \|\| is_tag() \|\| is_tax() ) { return 'groups'; } if ( is_archive() && ! is_author() ) { return 'archives'; } if ( is_page() ) { return 'pages'; } if ( is_singular() ) { return 'posts'; } return false; } /* * Returns the value that should be used as a replacement for the `date` or `archive_title` tokens. * For date-based archives, a date is returned. Otherwise the `post_type_archive_title` is returned. * * The `archive_title` token was added after the `date` token to provide a more generic option * that would work for non date-based archives. * * @return string Token replaced string. / public static function get_archive_title() { // If archive year, month, and day are specified. if ( is_day() ) { return get_the_date(); } // If archive year, and month are specified. if ( is_month() ) { return trim( single_month_title( ' ', false ) ); } // Only archive year is specified. if ( is_year() ) { return get_query_var( 'year' ); } // Not a date based archive. // An example would be "Projects" for Jetpack's Portoflio CPT. return post_type_archive_title( '', false ); } /* * Checks if current theme is defining custom title that won't work nicely * with our custom SEO title override. * * @return bool True if current theme sets custom title, false otherwise. / public static function is_conflicted_theme() { /* * Can be used to specify a list of themes that use their own custom title format. * * If current site is using one of the themes listed as conflicting, * Jetpack SEO custom title formats will be disabled. * * @module seo-tools * * @since 4.4.0 * * @param array List of conflicted theme names. Defaults to empty array. / $conflicted_themes = apply_filters( 'jetpack_seo_custom_title_conflicted_themes', array() ); return isset( $conflicted_themes[ get_option( 'template' ) ] ); } /* * Checks if a given format conforms to predefined SEO title templates. * * Every format type and token must be specifically allowed. * * @see get_allowed_tokens() * * @param array $title_formats Template of SEO title to check. * * @return bool True if the formats are valid, false otherwise. / public static function are_valid_title_formats( $title_formats ) { $allowed_tokens = self::get_allowed_tokens(); if ( ! is_array( $title_formats ) ) { return false; } foreach ( $title_formats as $format_type => $format_array ) { if ( ! array_key_exists( $format_type, $allowed_tokens ) ) { return false; } if ( '' === $format_array ) { continue; } if ( ! is_array( $format_array ) ) { return false; } foreach ( $format_array as $item ) { if ( empty( $item['type'] ) \|\| empty( $item['value'] ) ) { return false; } if ( 'token' === $item['type'] ) { if ( ! in_array( $item['value'], $allowed_tokens[ $format_type ], true ) ) { return false; } } } } return true; } /* * Sanitizes the arbitrary user input strings for custom SEO titles. * * @param array $title_formats Array of custom title formats. * * @return array The sanitized array. / public static function sanitize_title_formats( $title_formats ) { foreach ( $title_formats as &$format_array ) { foreach ( $format_array as &$item ) { if ( 'string' === $item['type'] ) { // From `wp_strip_all_tags`, but omitting the `trim` portion since we want spacing preserved. $item['value'] = preg_replace( '@<(script\|style)[^>]?>.?</\\1>@si', '', $item['value'] ); $item['value'] = strip_tags( $item['value'] ); // phpcs:ignore WordPress.WP.AlternativeFunctions.strip_tags_strip_tags $item['value'] = preg_replace( '/[\r\n\t ]+/', ' ', $item['value'] ); } } } unset( $format_array ); unset( $item ); return $title_formats; } /* * Combines the previous values of title formats, stored as array in site options, * with the new values that are provided. * * @param array $new_formats Array containing new title formats. * * @return array $result Array of updated title formats, or empty array if no update was performed. */ public static function update_title_formats( $new_formats ) { $new_formats = self::sanitize_title_formats( $new_formats ); // Empty array signals that custom title shouldn't be used. $empty_formats = array( 'front_page' => array(), 'posts' => array(), 'pages' => array(), 'groups' => array(), 'archives' => array(), ); $previous_formats = self::get_custom_title_formats(); $result = array_merge( $empty_formats, $previous_formats, $new_formats ); if ( update_option( self::TITLE_FORMATS_OPTION, $result ) ) { return $result; } return array(); } } ��

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