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Diffstat (limited to 'plugins/jetpack/functions.opengraph.php')
-rw-r--r--plugins/jetpack/functions.opengraph.php400
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 &nbsps
- $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,
- ) );
-}