diff options
Diffstat (limited to 'plugins/jetpack/functions.opengraph.php')
| -rw-r--r-- | plugins/jetpack/functions.opengraph.php | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/plugins/jetpack/functions.opengraph.php b/plugins/jetpack/functions.opengraph.php deleted file mode 100644 index a6d70684..00000000 --- a/plugins/jetpack/functions.opengraph.php +++ /dev/null @@ -1,400 +0,0 @@ -<?php -/** - * Open Graph Tags - * - * Add Open Graph tags so that Facebook (and any other service that supports them) - * can crawl the site better and we provide a better sharing experience. - * - * @link http://ogp.me/ - * @link http://developers.facebook.com/docs/opengraph/ - */ -add_action( 'wp_head', 'jetpack_og_tags' ); - -function jetpack_og_tags() { - /** - * Allow Jetpack to output Open Graph Meta Tags. - * - * @module sharedaddy, publicize - * - * @since 2.0.0 - * @deprecated 2.0.3 Duplicative filter. Use `jetpack_enable_open_graph`. - * - * @param bool true Should Jetpack's Open Graph Meta Tags be enabled. Default to true. - */ - if ( false === apply_filters( 'jetpack_enable_opengraph', true ) ) { - _deprecated_function( 'jetpack_enable_opengraph', '2.0.3', 'jetpack_enable_open_graph' ); - return; - } - - // Disable the widont filter on WP.com to avoid stray  s - $disable_widont = remove_filter( 'the_title', 'widont' ); - - $og_output = "\n<!-- Jetpack Open Graph Tags -->\n"; - $tags = array(); - - /** - * Filter the minimum width of the images used in Jetpack Open Graph Meta Tags. - * - * @module sharedaddy, publicize - * - * @since 2.0.0 - * - * @param int 200 Minimum image width used in Jetpack Open Graph Meta Tags. - */ - $image_width = absint( apply_filters( 'jetpack_open_graph_image_width', 200 ) ); - /** - * Filter the minimum height of the images used in Jetpack Open Graph Meta Tags. - * - * @module sharedaddy, publicize - * - * @since 2.0.0 - * - * @param int 200 Minimum image height used in Jetpack Open Graph Meta Tags. - */ - $image_height = absint( apply_filters( 'jetpack_open_graph_image_height', 200 ) ); - $description_length = 197; - - if ( is_home() || is_front_page() ) { - $site_type = Jetpack_Options::get_option_and_ensure_autoload( 'open_graph_protocol_site_type', '' ); - $tags['og:type'] = ! empty( $site_type ) ? $site_type : 'website'; - $tags['og:title'] = get_bloginfo( 'name' ); - $tags['og:description'] = get_bloginfo( 'description' ); - - $front_page_id = get_option( 'page_for_posts' ); - if ( 'page' == get_option( 'show_on_front' ) && $front_page_id && is_home() ) - $tags['og:url'] = get_permalink( $front_page_id ); - else - $tags['og:url'] = home_url( '/' ); - - // Associate a blog's root path with one or more Facebook accounts - $facebook_admins = Jetpack_Options::get_option_and_ensure_autoload( 'facebook_admins', array() ); - if ( ! empty( $facebook_admins ) ) - $tags['fb:admins'] = $facebook_admins; - - } else if ( is_author() ) { - $tags['og:type'] = 'profile'; - - $author = get_queried_object(); - - $tags['og:title'] = $author->display_name; - if ( ! empty( $author->user_url ) ) { - $tags['og:url'] = $author->user_url; - } else { - $tags['og:url'] = get_author_posts_url( $author->ID ); - } - $tags['og:description'] = $author->description; - $tags['profile:first_name'] = get_the_author_meta( 'first_name', $author->ID ); - $tags['profile:last_name'] = get_the_author_meta( 'last_name', $author->ID ); - - } else if ( is_singular() ) { - global $post; - $data = $post; // so that we don't accidentally explode the global - - $tags['og:type'] = 'article'; - if ( empty( $data->post_title ) ) { - $tags['og:title'] = ' '; - } else { - /** This filter is documented in core/src/wp-includes/post-template.php */ - $tags['og:title'] = wp_kses( apply_filters( 'the_title', $data->post_title, $data->ID ), array() ); - } - - $tags['og:url'] = get_permalink( $data->ID ); - if ( ! post_password_required() ) { - if ( ! empty( $data->post_excerpt ) ) { - $tags['og:description'] = preg_replace( '@https?://[\S]+@', '', strip_shortcodes( wp_kses( $data->post_excerpt, array() ) ) ); - } else { - $exploded_content_on_more_tag = explode( '<!--more-->', $data->post_content ); - $tags['og:description'] = wp_trim_words( preg_replace( '@https?://[\S]+@', '', strip_shortcodes( wp_kses( $exploded_content_on_more_tag[0], array() ) ) ) ); - } - } - if ( empty( $tags['og:description'] ) ) { - /** - * Filter the fallback `og:description` used when no excerpt information is provided. - * - * @module sharedaddy, publicize - * - * @since 3.9.0 - * - * @param string $var Fallback og:description. Default is translated `Visit the post for more'. - * @param object $data Post object for the current post. - */ - $tags['og:description'] = apply_filters( 'jetpack_open_graph_fallback_description', __( 'Visit the post for more.', 'jetpack' ), $data ); - } else { - // Intentionally not using a filter to prevent pollution. @see https://github.com/Automattic/jetpack/pull/2899#issuecomment-151957382 - $tags['og:description'] = wp_kses( trim( convert_chars( wptexturize( $tags['og:description'] ) ) ), array() ); - } - - $tags['article:published_time'] = date( 'c', strtotime( $data->post_date_gmt ) ); - $tags['article:modified_time'] = date( 'c', strtotime( $data->post_modified_gmt ) ); - if ( post_type_supports( get_post_type( $data ), 'author' ) && isset( $data->post_author ) ) { - $publicize_facebook_user = get_post_meta( $data->ID, '_publicize_facebook_user', true ); - if ( ! empty( $publicize_facebook_user ) ) { - $tags['article:author'] = esc_url( $publicize_facebook_user ); - } - } - } - - /** - * Allow plugins to inject additional template-specific Open Graph tags. - * - * @module sharedaddy, publicize - * - * @since 3.0.0 - * - * @param array $tags Array of Open Graph Meta tags. - * @param array $args Array of image size parameters. - */ - $tags = apply_filters( 'jetpack_open_graph_base_tags', $tags, compact( 'image_width', 'image_height' ) ); - - // Re-enable widont if we had disabled it - if ( $disable_widont ) - add_filter( 'the_title', 'widont' ); - - /** - * Do not return any Open Graph Meta tags if we don't have any info about a post. - * - * @module sharedaddy, publicize - * - * @since 3.0.0 - * - * @param bool true Do not return any Open Graph Meta tags if we don't have any info about a post. - */ - if ( empty( $tags ) && apply_filters( 'jetpack_open_graph_return_if_empty', true ) ) - return; - - $tags['og:site_name'] = get_bloginfo( 'name' ); - - // Get image info and build tags - if ( ! post_password_required() ) { - $image_info = jetpack_og_get_image( $image_width, $image_height ); - $tags['og:image'] = $image_info['src']; - - if ( ! empty( $image_info['width'] ) ) { - $tags['og:image:width'] = (int) $image_info['width']; - } - if ( ! empty( $image_info['height'] ) ) { - $tags['og:image:height'] = (int) $image_info['height']; - } - if ( ! empty( $image_info['alt_text'] ) ) { - $tags['og:image:alt'] = esc_attr( $image_info['alt_text'] ); - } - } - - // Facebook whines if you give it an empty title - if ( empty( $tags['og:title'] ) ) - $tags['og:title'] = __( '(no title)', 'jetpack' ); - - // Shorten the description if it's too long - if ( isset( $tags['og:description'] ) ) { - $tags['og:description'] = strlen( $tags['og:description'] ) > $description_length ? mb_substr( $tags['og:description'], 0, $description_length ) . '…' : $tags['og:description']; - } - - // Try to add OG locale tag if the WP->FB data mapping exists - if ( defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) && file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) { - require_once JETPACK__GLOTPRESS_LOCALES_PATH; - $_locale = get_locale(); - - // We have to account for w.org vs WP.com locale divergence - if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { - $gp_locale = GP_Locales::by_field( 'slug', $_locale ); - } else { - $gp_locale = GP_Locales::by_field( 'wp_locale', $_locale ); - } - } - - if ( isset( $gp_locale->facebook_locale ) && ! empty( $gp_locale->facebook_locale ) ) { - $tags['og:locale'] = $gp_locale->facebook_locale; - } - - /** - * Allow the addition of additional Open Graph Meta tags, or modify the existing tags. - * - * @module sharedaddy, publicize - * - * @since 2.0.0 - * - * @param array $tags Array of Open Graph Meta tags. - * @param array $args Array of image size parameters. - */ - $tags = apply_filters( 'jetpack_open_graph_tags', $tags, compact( 'image_width', 'image_height' ) ); - - // secure_urls need to go right after each og:image to work properly so we will abstract them here - $secure = $tags['og:image:secure_url'] = ( empty( $tags['og:image:secure_url'] ) ) ? '' : $tags['og:image:secure_url']; - unset( $tags['og:image:secure_url'] ); - $secure_image_num = 0; - - foreach ( (array) $tags as $tag_property => $tag_content ) { - // to accommodate multiple images - $tag_content = (array) $tag_content; - $tag_content = array_unique( $tag_content ); - - foreach ( $tag_content as $tag_content_single ) { - if ( empty( $tag_content_single ) ) - continue; // Don't ever output empty tags - $og_tag = sprintf( '<meta property="%s" content="%s" />', esc_attr( $tag_property ), esc_attr( $tag_content_single ) ); - /** - * Filter the HTML Output of each Open Graph Meta tag. - * - * @module sharedaddy, publicize - * - * @since 2.0.0 - * - * @param string $og_tag HTML HTML Output of each Open Graph Meta tag. - */ - $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); - $og_output .= "\n"; - - if ( 'og:image' == $tag_property ) { - if ( is_array( $secure ) && !empty( $secure[$secure_image_num] ) ) { - $og_tag = sprintf( '<meta property="og:image:secure_url" content="%s" />', esc_url( $secure[ $secure_image_num ] ) ); - /** This filter is documented in functions.opengraph.php */ - $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); - $og_output .= "\n"; - } else if ( !is_array( $secure ) && !empty( $secure ) ) { - $og_tag = sprintf( '<meta property="og:image:secure_url" content="%s" />', esc_url( $secure ) ); - /** This filter is documented in functions.opengraph.php */ - $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); - $og_output .= "\n"; - } - $secure_image_num++; - } - } - } - $og_output .= "\n<!-- End Jetpack Open Graph Tags -->\n"; - echo $og_output; -} - -/** - * Returns an image used in social shares. - * - * @since 2.0.0 - * - * @param int $width Minimum width for the image. Default is 200 based on Facebook's requirement. - * @param int $height Minimum height for the image. Default is 200 based on Facebook's requirement. - * @param null $deprecated Deprecated. - * - * @return array The source ('src'), 'width', and 'height' of the image. - */ -function jetpack_og_get_image( $width = 200, $height = 200, $deprecated = null ) { - if ( ! empty( $deprecated ) ) { - _deprecated_argument( __FUNCTION__, '6.6.0' ); - } - $image = array(); - - if ( is_singular() && ! is_home() ) { - // Grab obvious image if post is an attachment page for an image - if ( is_attachment( get_the_ID() ) && 'image' === substr( get_post_mime_type(), 0, 5 ) ) { - $image['src'] = wp_get_attachment_url( get_the_ID() ); - } - - // Attempt to find something good for this post using our generalized PostImages code - if ( empty( $image ) && class_exists( 'Jetpack_PostImages' ) ) { - $post_images = Jetpack_PostImages::get_images( get_the_ID(), array( 'width' => $width, 'height' => $height ) ); - if ( $post_images && ! is_wp_error( $post_images ) ) { - foreach ( (array) $post_images as $post_image ) { - $image['src'] = $post_image['src']; - if ( isset( $post_image['src_width'], $post_image['src_height'] ) ) { - $image['width'] = $post_image['src_width']; - $image['height'] = $post_image['src_height']; - } - if ( ! empty( $post_image['alt_text'] ) ) { - $image['alt_text'] = $post_image['alt_text']; - } - } - } - } - } elseif ( is_author() ) { - $author = get_queried_object(); - $image['src'] = get_avatar_url( $author->user_email, array( - 'size' => $width, - ) ); - } - - // First fall back, blavatar. - if ( empty( $image ) && function_exists( 'blavatar_domain' ) ) { - $blavatar_domain = blavatar_domain( site_url() ); - if ( blavatar_exists( $blavatar_domain ) ) { - $image['src'] = blavatar_url( $blavatar_domain, 'img', $width, false, true ); - $image['width'] = $width; - $image['height'] = $height; - } - } - - // Second fall back, Site Logo. - if ( empty( $image ) && ( function_exists( 'jetpack_has_site_logo' ) && jetpack_has_site_logo() ) ) { - $image_id = jetpack_get_site_logo( 'id' ); - $logo = wp_get_attachment_image_src( $image_id, 'full' ); - if ( - isset( $logo[0], $logo[1], $logo[2] ) - && ( _jetpack_og_get_image_validate_size( $logo[1], $logo[2], $width, $height ) ) - ) { - $image['src'] = $logo[0]; - $image['width'] = $logo[1]; - $image['height'] = $logo[2]; - } - } - - // Third fall back, Core Site Icon, if valid in size. - if ( empty( $image ) && has_site_icon() ) { - $image_id = get_option( 'site_icon' ); - $icon = wp_get_attachment_image_src( $image_id, 'full' ); - if ( - isset( $icon[0], $icon[1], $icon[2] ) - && ( _jetpack_og_get_image_validate_size( $icon[1], $icon[2], $width, $height ) ) - ) { - $image['src'] = $icon[0]; - $image['width'] = $icon[1]; - $image['height'] = $icon[2]; - } - } - - // Final fall back, blank image. - if ( empty( $image ) ) { - /** - * Filter the default Open Graph Image tag, used when no Image can be found in a post. - * - * @since 3.0.0 - * - * @param string $str Default Image URL. - */ - $image['src'] = apply_filters( 'jetpack_open_graph_image_default', 'https://s0.wp.com/i/blank.jpg' ); - } - - return $image; -} - - -/** - * Validate the width and height against required width and height - * - * @param int $width Width of the image. - * @param int $height Height of the image. - * @param int $req_width Required width to pass validation. - * @param int $req_height Required height to pass validation. - * - * @return bool - True if the image passed the required size validation - */ -function _jetpack_og_get_image_validate_size( $width, $height, $req_width, $req_height ) { - if ( ! $width || ! $height ) { - return false; - } - - $valid_width = ( $width >= $req_width ); - $valid_height = ( $height >= $req_height ); - $is_image_acceptable = $valid_width && $valid_height; - - return $is_image_acceptable; -} - -/** - * Gets a gravatar URL of the specified size. - * - * @param string $email E-mail address to get gravatar for. - * @param int $width Size of returned gravatar. - * @return array|bool|mixed|string - */ -function jetpack_og_get_image_gravatar( $email, $width ) { - return get_avatar_url( $email, array( - 'size' => $width, - ) ); -} |