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| 1 | <?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase |
| 2 | /** |
| 3 | * Open Graph Tags |
| 4 | * |
| 5 | * Add Open Graph tags so that Facebook (and any other service that supports them) |
| 6 | * can crawl the site better and we provide a better sharing experience. |
| 7 | * |
| 8 | * @link https://ogp.me/ |
| 9 | * @link https://developers.facebook.com/docs/opengraph/ |
| 10 | * |
| 11 | * @package automattic/jetpack |
| 12 | */ |
| 13 | |
| 14 | use Automattic\Block_Scanner; |
| 15 | use Automattic\Jetpack\Connection\Manager as Connection_Manager; |
| 16 | use Automattic\Jetpack\Current_Plan; |
| 17 | use Automattic\Jetpack\Post_Media\Images; |
| 18 | use Automattic\Jetpack\Status; |
| 19 | use Automattic\Jetpack\Status\Host; |
| 20 | |
| 21 | if ( ! defined( 'ABSPATH' ) ) { |
| 22 | exit( 0 ); |
| 23 | } |
| 24 | |
| 25 | add_action( 'wp_head', 'jetpack_og_tags' ); |
| 26 | |
| 27 | /** |
| 28 | * Keep Twitter Cards from analyzing the body of a gated post. |
| 29 | * |
| 30 | * Twitter_Cards::twitter_cards_tags() runs at priority 11 and, when a card type |
| 31 | * is already set, emits only the site default image instead of images and |
| 32 | * videos parsed out of the body. |
| 33 | * |
| 34 | * @since 16.2 |
| 35 | * |
| 36 | * @param array $tags Open Graph tags. |
| 37 | * @return array |
| 38 | */ |
| 39 | function jetpack_og_gate_twitter_cards( $tags ) { |
| 40 | /** This filter is documented in class.jetpack.php */ |
| 41 | if ( apply_filters( 'jetpack_disable_twitter_cards', false ) ) { |
| 42 | return $tags; |
| 43 | } |
| 44 | |
| 45 | if ( ! is_singular() ) { |
| 46 | return $tags; |
| 47 | } |
| 48 | |
| 49 | $post = get_post(); |
| 50 | if ( ! $post instanceof WP_Post || ! \Automattic\Jetpack\SEO\Content_Gate::is_gated( $post ) ) { |
| 51 | return $tags; |
| 52 | } |
| 53 | |
| 54 | if ( empty( $tags['twitter:text:title'] ) ) { |
| 55 | $tags['twitter:text:title'] = get_the_title( $post ); |
| 56 | } |
| 57 | |
| 58 | // Twitter_Cards stops once a card type is set, so carry the featured image |
| 59 | // across here; it is chosen separately and never parsed out of the body. |
| 60 | $card_type = 'summary'; |
| 61 | if ( empty( $tags['twitter:image'] ) ) { |
| 62 | $image = Images::get_image( |
| 63 | $post->ID, |
| 64 | array( |
| 65 | 'width' => 144, |
| 66 | 'height' => 144, |
| 67 | 'from_slideshow' => false, |
| 68 | 'from_gallery' => false, |
| 69 | 'from_attachment' => false, |
| 70 | 'from_blocks' => false, |
| 71 | 'from_html' => false, |
| 72 | ) |
| 73 | ); |
| 74 | |
| 75 | // Twitter's limits: 4096px maximum, and 300x157 minimum for a large card. |
| 76 | if ( |
| 77 | ! empty( $image['src'] ) |
| 78 | && isset( $image['src_width'] ) && isset( $image['src_height'] ) |
| 79 | && (int) $image['src_width'] <= 4096 |
| 80 | && (int) $image['src_height'] <= 4096 |
| 81 | ) { |
| 82 | if ( (int) $image['src_width'] >= 300 && (int) $image['src_height'] >= 157 ) { |
| 83 | $card_type = 'summary_large_image'; |
| 84 | $tags['twitter:image'] = esc_url( add_query_arg( 'w', 640, $image['src'] ) ); |
| 85 | } else { |
| 86 | $tags['twitter:image'] = esc_url( add_query_arg( 'w', 144, $image['src'] ) ); |
| 87 | } |
| 88 | |
| 89 | if ( ! empty( $image['alt_text'] ) ) { |
| 90 | $alt_length = 420; |
| 91 | $tags['twitter:image:alt'] = strlen( $image['alt_text'] ) > $alt_length |
| 92 | ? esc_attr( mb_substr( $image['alt_text'], 0, $alt_length ) . '…' ) |
| 93 | : esc_attr( $image['alt_text'] ); |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | if ( empty( $tags['twitter:card'] ) ) { |
| 99 | $tags['twitter:card'] = $card_type; |
| 100 | } |
| 101 | |
| 102 | return $tags; |
| 103 | } |
| 104 | add_filter( 'jetpack_open_graph_tags', 'jetpack_og_gate_twitter_cards', 10 ); |
| 105 | add_action( 'web_stories_story_head', 'jetpack_og_tags' ); |
| 106 | |
| 107 | // Add a Fediverse Open Graph Tag when an author has connected their Mastodon account. |
| 108 | add_filter( 'jetpack_open_graph_tags', 'jetpack_add_fediverse_creator_open_graph_tag', 10, 1 ); |
| 109 | add_filter( 'jetpack_open_graph_output', 'jetpack_filter_fediverse_cards_output', 10, 1 ); |
| 110 | |
| 111 | /** |
| 112 | * Outputs Open Graph tags generated by Jetpack. |
| 113 | */ |
| 114 | function jetpack_og_tags() { |
| 115 | global $post; |
| 116 | $data = $post; // so that we don't accidentally explode the global. |
| 117 | |
| 118 | $is_amp_response = ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ); |
| 119 | |
| 120 | // Disable the widont filter on WP.com to avoid stray  s. |
| 121 | $disable_widont = remove_filter( 'the_title', 'widont' ); |
| 122 | |
| 123 | $og_output = "\n"; |
| 124 | if ( ! $is_amp_response ) { // Because AMP optimizes the order or the nodes in the head. |
| 125 | $og_output .= "<!-- Jetpack Open Graph Tags -->\n"; |
| 126 | } |
| 127 | $tags = array(); |
| 128 | |
| 129 | /** |
| 130 | * Filter the minimum width of the images used in Jetpack Open Graph Meta Tags. |
| 131 | * |
| 132 | * @module sharedaddy, publicize |
| 133 | * |
| 134 | * @since 2.0.0 |
| 135 | * |
| 136 | * @param int 200 Minimum image width used in Jetpack Open Graph Meta Tags. |
| 137 | */ |
| 138 | $image_width = absint( apply_filters( 'jetpack_open_graph_image_width', 200 ) ); |
| 139 | /** |
| 140 | * Filter the minimum height of the images used in Jetpack Open Graph Meta Tags. |
| 141 | * |
| 142 | * @module sharedaddy, publicize |
| 143 | * |
| 144 | * @since 2.0.0 |
| 145 | * |
| 146 | * @param int 200 Minimum image height used in Jetpack Open Graph Meta Tags. |
| 147 | */ |
| 148 | $image_height = absint( apply_filters( 'jetpack_open_graph_image_height', 200 ) ); |
| 149 | $description_length = 197; |
| 150 | |
| 151 | if ( is_home() || is_front_page() ) { |
| 152 | $site_type = Jetpack_Options::get_option_and_ensure_autoload( 'open_graph_protocol_site_type', '' ); |
| 153 | $tags['og:type'] = ! empty( $site_type ) ? $site_type : 'website'; |
| 154 | $tags['og:title'] = get_bloginfo( 'name' ); |
| 155 | $tags['og:description'] = get_bloginfo( 'description' ); |
| 156 | |
| 157 | $front_page_id = get_option( 'page_for_posts' ); |
| 158 | if ( 'page' === get_option( 'show_on_front' ) && $front_page_id && is_home() ) { |
| 159 | $tags['og:url'] = get_permalink( $front_page_id ); |
| 160 | } else { |
| 161 | $tags['og:url'] = home_url( '/' ); |
| 162 | } |
| 163 | |
| 164 | // Associate a blog's root path with one or more Facebook accounts. |
| 165 | $facebook_admins = Jetpack_Options::get_option_and_ensure_autoload( 'facebook_admins', array() ); |
| 166 | if ( ! empty( $facebook_admins ) ) { |
| 167 | $tags['fb:admins'] = $facebook_admins; |
| 168 | } |
| 169 | } elseif ( is_author() ) { |
| 170 | $tags['og:type'] = 'profile'; |
| 171 | |
| 172 | $author = get_queried_object(); |
| 173 | |
| 174 | if ( is_a( $author, 'WP_User' ) ) { |
| 175 | $tags['og:title'] = $author->display_name; |
| 176 | if ( ! empty( $author->user_url ) ) { |
| 177 | $tags['og:url'] = $author->user_url; |
| 178 | } else { |
| 179 | $tags['og:url'] = get_author_posts_url( $author->ID ); |
| 180 | } |
| 181 | $tags['og:description'] = $author->description; |
| 182 | $tags['profile:first_name'] = get_the_author_meta( 'first_name', $author->ID ); |
| 183 | $tags['profile:last_name'] = get_the_author_meta( 'last_name', $author->ID ); |
| 184 | } |
| 185 | } elseif ( is_archive() ) { |
| 186 | $tags['og:type'] = 'website'; |
| 187 | $tags['og:title'] = wp_get_document_title(); |
| 188 | |
| 189 | $archive = get_queried_object(); |
| 190 | if ( $archive instanceof WP_Term ) { |
| 191 | $tags['og:url'] = get_term_link( $archive->term_id, $archive->taxonomy ); |
| 192 | $tags['og:description'] = $archive->description; |
| 193 | } elseif ( ! empty( $archive ) && is_post_type_archive() ) { |
| 194 | $tags['og:url'] = get_post_type_archive_link( $archive->name ); |
| 195 | $tags['og:description'] = $archive->description; |
| 196 | } |
| 197 | } elseif ( is_singular() && is_a( $data, 'WP_Post' ) ) { |
| 198 | $tags['og:type'] = 'article'; |
| 199 | if ( empty( $data->post_title ) ) { |
| 200 | $tags['og:title'] = ' '; |
| 201 | } else { |
| 202 | /** This filter is documented in core/src/wp-includes/post-template.php */ |
| 203 | $tags['og:title'] = wp_kses( apply_filters( 'the_title', $data->post_title, $data->ID ), array() ); |
| 204 | } |
| 205 | |
| 206 | $tags['og:url'] = get_permalink( $data->ID ); |
| 207 | if ( ! post_password_required( $data ) ) { |
| 208 | /* |
| 209 | * If the post author set an excerpt, use that. |
| 210 | * Otherwise, pick the post content that comes before the More tag if there is one. |
| 211 | * Do not use the post content if it contains premium content. |
| 212 | */ |
| 213 | if ( ! empty( $data->post_excerpt ) ) { |
| 214 | $tags['og:description'] = jetpack_og_get_description( $data->post_excerpt ); |
| 215 | } else { |
| 216 | $content = \Automattic\Jetpack\SEO\Content_Gate::is_gated( $data ) |
| 217 | ? \Automattic\Jetpack\SEO\Content_Gate::public_teaser( $data ) |
| 218 | : $data->post_content; |
| 219 | |
| 220 | if ( '' !== $content ) { |
| 221 | $excerpt = explode( '<!--more-->', $content )[0]; |
| 222 | $tags['og:description'] = jetpack_og_get_description( $excerpt ); |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | $tags['article:published_time'] = gmdate( 'c', strtotime( $data->post_date_gmt ) ); |
| 228 | $tags['article:modified_time'] = gmdate( 'c', strtotime( $data->post_modified_gmt ) ); |
| 229 | if ( post_type_supports( get_post_type( $data ), 'author' ) && isset( $data->post_author ) ) { |
| 230 | $publicize_facebook_user = get_post_meta( $data->ID, '_publicize_facebook_user', true ); |
| 231 | if ( ! empty( $publicize_facebook_user ) ) { |
| 232 | $tags['article:author'] = esc_url( $publicize_facebook_user ); |
| 233 | } |
| 234 | } |
| 235 | } elseif ( is_search() ) { |
| 236 | if ( '' !== get_query_var( 's', '' ) ) { |
| 237 | $tags['og:title'] = wp_get_document_title(); |
| 238 | } |
| 239 | } |
| 240 | /** |
| 241 | * Allow plugins to inject additional template-specific Open Graph tags. |
| 242 | * |
| 243 | * @module sharedaddy, publicize |
| 244 | * |
| 245 | * @since 3.0.0 |
| 246 | * |
| 247 | * @param array $tags Array of Open Graph Meta tags. |
| 248 | * @param array $args Array of image size parameters. |
| 249 | */ |
| 250 | $tags = apply_filters( 'jetpack_open_graph_base_tags', $tags, compact( 'image_width', 'image_height' ) ); |
| 251 | |
| 252 | // Re-enable widont if we had disabled it. |
| 253 | if ( $disable_widont ) { |
| 254 | add_filter( 'the_title', 'widont' ); |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Do not return any Open Graph Meta tags if we don't have any info about a post. |
| 259 | * |
| 260 | * @module sharedaddy, publicize |
| 261 | * |
| 262 | * @since 3.0.0 |
| 263 | * |
| 264 | * @param bool true Do not return any Open Graph Meta tags if we don't have any info about a post. |
| 265 | */ |
| 266 | if ( empty( $tags ) && apply_filters( 'jetpack_open_graph_return_if_empty', true ) ) { |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | $tags['og:site_name'] = get_bloginfo( 'name' ); |
| 271 | |
| 272 | // Get image info and build tags. |
| 273 | if ( ! post_password_required() ) { |
| 274 | $image_info = jetpack_og_get_image( $image_width, $image_height ); |
| 275 | $tags['og:image'] = $image_info['src']; |
| 276 | |
| 277 | if ( ! empty( $image_info['width'] ) ) { |
| 278 | $tags['og:image:width'] = (int) $image_info['width']; |
| 279 | } |
| 280 | if ( ! empty( $image_info['height'] ) ) { |
| 281 | $tags['og:image:height'] = (int) $image_info['height']; |
| 282 | } |
| 283 | // If we have an image, add the alt text even if it's empty. |
| 284 | if ( ! empty( $image_info['src'] ) && isset( $image_info['alt_text'] ) ) { |
| 285 | $tags['og:image:alt'] = esc_attr( $image_info['alt_text'] ); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | // Facebook whines if you give it an empty title. |
| 290 | if ( empty( $tags['og:title'] ) ) { |
| 291 | $tags['og:title'] = __( '(no title)', 'jetpack' ); |
| 292 | } |
| 293 | |
| 294 | // Shorten the description if it's too long. |
| 295 | if ( isset( $tags['og:description'] ) ) { |
| 296 | $tags['og:description'] = strlen( $tags['og:description'] ) > $description_length ? mb_substr( $tags['og:description'], 0, $description_length ) . '…' : $tags['og:description']; |
| 297 | } |
| 298 | |
| 299 | // Try to add OG locale tag if the WP->FB data mapping exists. |
| 300 | if ( defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) && file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) { |
| 301 | require_once JETPACK__GLOTPRESS_LOCALES_PATH; |
| 302 | $_locale = get_locale(); |
| 303 | |
| 304 | // We have to account for w.org vs WP.com locale divergence. |
| 305 | if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 306 | $gp_locale = GP_Locales::by_field( 'slug', $_locale ); |
| 307 | } else { |
| 308 | $gp_locale = GP_Locales::by_field( 'wp_locale', $_locale ); |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | if ( isset( $gp_locale->facebook_locale ) && ! empty( $gp_locale->facebook_locale ) ) { |
| 313 | $tags['og:locale'] = $gp_locale->facebook_locale; |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * Allow the addition of additional Open Graph Meta tags, or modify the existing tags. |
| 318 | * |
| 319 | * @module sharedaddy, publicize |
| 320 | * |
| 321 | * @since 2.0.0 |
| 322 | * |
| 323 | * @param array $tags Array of Open Graph Meta tags. |
| 324 | * @param array $args Array of image size parameters. |
| 325 | */ |
| 326 | $tags = apply_filters( 'jetpack_open_graph_tags', $tags, compact( 'image_width', 'image_height' ) ); |
| 327 | |
| 328 | // secure_urls need to go right after each og:image to work properly so we will abstract them here. |
| 329 | $tags['og:image:secure_url'] = ( empty( $tags['og:image:secure_url'] ) ) ? '' : $tags['og:image:secure_url']; |
| 330 | $secure = $tags['og:image:secure_url']; |
| 331 | unset( $tags['og:image:secure_url'] ); |
| 332 | $secure_image_num = 0; |
| 333 | |
| 334 | $allowed_empty_tags = array( |
| 335 | 'og:image:alt', |
| 336 | ); |
| 337 | |
| 338 | foreach ( (array) $tags as $tag_property => $tag_content ) { |
| 339 | // to accommodate multiple images. |
| 340 | $tag_content = (array) $tag_content; |
| 341 | $tag_content = array_unique( array_filter( $tag_content, 'is_scalar' ) ); |
| 342 | |
| 343 | foreach ( $tag_content as $tag_content_single ) { |
| 344 | if ( empty( $tag_content_single ) && ! in_array( $tag_property, $allowed_empty_tags, true ) ) { |
| 345 | continue; // Only allow certain empty tags. |
| 346 | } |
| 347 | |
| 348 | switch ( $tag_property ) { |
| 349 | case 'og:url': |
| 350 | case 'og:image': |
| 351 | case 'og:image:url': |
| 352 | case 'og:image:secure_url': |
| 353 | case 'og:audio': |
| 354 | case 'og:audio:url': |
| 355 | case 'og:audio:secure_url': |
| 356 | case 'og:video': |
| 357 | case 'og:video:url': |
| 358 | case 'og:video:secure_url': |
| 359 | $og_tag = sprintf( '<meta property="%s" content="%s" />', esc_attr( $tag_property ), esc_url( $tag_content_single ) ); |
| 360 | break; |
| 361 | default: |
| 362 | $og_tag = sprintf( '<meta property="%s" content="%s" />', esc_attr( $tag_property ), esc_attr( $tag_content_single ) ); |
| 363 | } |
| 364 | /** |
| 365 | * Filter the HTML Output of each Open Graph Meta tag. |
| 366 | * |
| 367 | * @module sharedaddy, publicize |
| 368 | * |
| 369 | * @since 2.0.0 |
| 370 | * |
| 371 | * @param string $og_tag HTML HTML Output of each Open Graph Meta tag. |
| 372 | */ |
| 373 | $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); |
| 374 | $og_output .= "\n"; |
| 375 | |
| 376 | if ( 'og:image' === $tag_property ) { |
| 377 | if ( is_array( $secure ) && ! empty( $secure[ $secure_image_num ] ) ) { |
| 378 | $og_tag = sprintf( '<meta property="og:image:secure_url" content="%s" />', esc_url( $secure[ $secure_image_num ] ) ); |
| 379 | /** This filter is documented in functions.opengraph.php */ |
| 380 | $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); |
| 381 | $og_output .= "\n"; |
| 382 | } elseif ( ! is_array( $secure ) && ! empty( $secure ) ) { |
| 383 | $og_tag = sprintf( '<meta property="og:image:secure_url" content="%s" />', esc_url( $secure ) ); |
| 384 | /** This filter is documented in functions.opengraph.php */ |
| 385 | $og_output .= apply_filters( 'jetpack_open_graph_output', $og_tag ); |
| 386 | $og_output .= "\n"; |
| 387 | } |
| 388 | ++$secure_image_num; |
| 389 | } |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | if ( ! $is_amp_response ) { // Because AMP optimizes the order or the nodes in the head. |
| 394 | $og_output .= "\n<!-- End Jetpack Open Graph Tags -->"; |
| 395 | } |
| 396 | $og_output .= "\n"; |
| 397 | // This is trusted output or added by a filter. |
| 398 | echo $og_output; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * Returns an image used in social shares. |
| 403 | * |
| 404 | * @since 2.0.0 |
| 405 | * |
| 406 | * @param int $width Minimum width for the image. Default is 200 based on Facebook's requirement. |
| 407 | * @param int $height Minimum height for the image. Default is 200 based on Facebook's requirement. |
| 408 | * @param null $deprecated Deprecated. |
| 409 | * |
| 410 | * @return array The source ('src'), 'width', and 'height' of the image. |
| 411 | */ |
| 412 | function jetpack_og_get_image( $width = 200, $height = 200, $deprecated = null ) { |
| 413 | if ( ! empty( $deprecated ) ) { |
| 414 | _deprecated_argument( __FUNCTION__, 'jetpack-6.6.0' ); |
| 415 | } |
| 416 | $image = array(); |
| 417 | |
| 418 | if ( is_singular() && ! is_home() ) { |
| 419 | // Grab obvious image if post is an attachment page for an image. |
| 420 | if ( is_attachment( get_the_ID() ) && str_starts_with( get_post_mime_type(), 'image' ) ) { |
| 421 | $image['src'] = wp_get_attachment_url( get_the_ID() ); |
| 422 | $image['alt_text'] = Images::get_alt_text( get_the_ID() ); |
| 423 | } |
| 424 | |
| 425 | // Attempt to find something good for this post using our generalized PostImages code. |
| 426 | if ( empty( $image ) ) { |
| 427 | $image_args = array( |
| 428 | 'width' => $width, |
| 429 | 'height' => $height, |
| 430 | ); |
| 431 | // Every source but the featured image is parsed out of the body. |
| 432 | if ( \Automattic\Jetpack\SEO\Content_Gate::is_gated( get_post( get_the_ID() ) ) ) { |
| 433 | $image_args += array( |
| 434 | 'from_slideshow' => false, |
| 435 | 'from_gallery' => false, |
| 436 | 'from_attachment' => false, |
| 437 | 'from_blocks' => false, |
| 438 | 'from_html' => false, |
| 439 | ); |
| 440 | } |
| 441 | $post_image = Images::get_image( get_the_ID(), $image_args ); |
| 442 | if ( ! empty( $post_image ) && is_array( $post_image ) ) { |
| 443 | $image['src'] = $post_image['src']; |
| 444 | if ( isset( $post_image['src_width'] ) && isset( $post_image['src_height'] ) ) { |
| 445 | $image['width'] = $post_image['src_width']; |
| 446 | $image['height'] = $post_image['src_height']; |
| 447 | } |
| 448 | if ( ! empty( $post_image['alt_text'] ) ) { |
| 449 | $image['alt_text'] = $post_image['alt_text']; |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | } elseif ( is_author() ) { |
| 454 | $author = get_queried_object(); |
| 455 | if ( is_a( $author, 'WP_User' ) ) { |
| 456 | $image['src'] = get_avatar_url( |
| 457 | $author->user_email, |
| 458 | array( |
| 459 | 'size' => $width, |
| 460 | ) |
| 461 | ); |
| 462 | $image['alt_text'] = $author->display_name; |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | /* |
| 467 | * Generate a fallback social image, |
| 468 | * dynamically generated based on the site name, |
| 469 | * a representative image of the site, |
| 470 | * and a custom template used by our Social Image Generator. |
| 471 | */ |
| 472 | if ( empty( $image ) ) { |
| 473 | $site_image = jetpack_og_get_fallback_social_image( $width, $height ); |
| 474 | if ( ! empty( $site_image ) ) { |
| 475 | $image['src'] = $site_image['src']; |
| 476 | $image['width'] = $site_image['width']; |
| 477 | $image['height'] = $site_image['height']; |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | // If we didn't get an explicit alt tag from the image, set a default. |
| 482 | if ( empty( $image['alt_text'] ) ) { |
| 483 | /** |
| 484 | * Filter the default Open Graph image alt text, used when the Open Graph image from the post does not have an alt text. |
| 485 | * |
| 486 | * @since 10.4 |
| 487 | * |
| 488 | * @param string $str Default Open Graph image alt text. |
| 489 | */ |
| 490 | $image['alt_text'] = apply_filters( 'jetpack_open_graph_image_default_alt_text', '' ); |
| 491 | } |
| 492 | |
| 493 | return $image; |
| 494 | } |
| 495 | |
| 496 | /** |
| 497 | * Get a fallback social image for the site. |
| 498 | * |
| 499 | * @since 14.9 |
| 500 | * |
| 501 | * @param int $width The width of the image. |
| 502 | * @param int $height The height of the image. |
| 503 | * |
| 504 | * @return array The source ('src'), 'width', 'height', and source type of the image. |
| 505 | */ |
| 506 | function jetpack_og_get_fallback_social_image( $width, $height ) { |
| 507 | // Default template. |
| 508 | $template = 'edge'; |
| 509 | |
| 510 | // Let's get the site's representative image. |
| 511 | $site_image = jetpack_og_get_site_image( $width, $height ); |
| 512 | |
| 513 | /** |
| 514 | * Define your own site's representative image, |
| 515 | * to override any fallback image found by looking through site's logo, site icon, and blavatar. |
| 516 | * This will allow you to overwrite the default fallback image generated dynamically. |
| 517 | * |
| 518 | * @since 15.0 |
| 519 | * |
| 520 | * @param array $site_image Your own site's representative image. |
| 521 | * @param array $site_image The site's representative image picked by Jetpack. { |
| 522 | * @type string $src The source of the image. |
| 523 | * @type int $width The width of the image. |
| 524 | * @type int $height The height of the image. |
| 525 | * @type string $type The type of the image. |
| 526 | * } |
| 527 | */ |
| 528 | $custom_site_image = apply_filters( 'jetpack_og_default_site_image', array(), $site_image ); |
| 529 | if ( ! empty( $custom_site_image['src'] ) ) { |
| 530 | return $custom_site_image; |
| 531 | } |
| 532 | |
| 533 | if ( empty( $site_image['src'] ) ) { |
| 534 | // When using the default blank image, use a different template in Social Image Generator. |
| 535 | $template = 'highway'; |
| 536 | $site_image['src'] = jetpack_og_get_site_fallback_blank_image(); |
| 537 | } |
| 538 | |
| 539 | // Return the site image if we are in offline mode instead of attempting to generate a dynamic one. |
| 540 | if ( ( new Status() )->is_offline_mode() ) { |
| 541 | return $site_image; |
| 542 | } |
| 543 | |
| 544 | /* |
| 545 | * Only attempt to generate a dynamic fallback image |
| 546 | * if we have a healthy connection to WPCOM. |
| 547 | * and if the site has the right plan. |
| 548 | */ |
| 549 | if ( |
| 550 | ( ( new Host() )->is_wpcom_simple() |
| 551 | || ( new Connection_Manager() )->is_connected() |
| 552 | ) |
| 553 | && Current_Plan::supports( 'social-image-generator' ) |
| 554 | ) { |
| 555 | /** |
| 556 | * Allow filtering the template to use with Social Image Generator. |
| 557 | * Available templates: highway, dois, fullscreen, edge. |
| 558 | * |
| 559 | * @since 14.9 |
| 560 | * |
| 561 | * @param string $template The template to use. |
| 562 | */ |
| 563 | $template = apply_filters( 'jetpack_og_fallback_social_image_template', $template ); |
| 564 | |
| 565 | // Let's generate the image. |
| 566 | $site_image = jetpack_og_generate_fallback_social_image( $site_image, $template ); |
| 567 | } |
| 568 | |
| 569 | return $site_image; |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * Get the site's representative image. |
| 574 | * |
| 575 | * @since 14.9 |
| 576 | * |
| 577 | * @param int $width The width of the image. |
| 578 | * @param int $height The height of the image. |
| 579 | * |
| 580 | * @return array The source ('src'), 'width', 'height', and source type of the image. |
| 581 | */ |
| 582 | function jetpack_og_get_site_image( $width, $height ) { |
| 583 | // First fall back, blavatar. |
| 584 | if ( function_exists( 'blavatar_domain' ) ) { |
| 585 | $blavatar_domain = blavatar_domain( site_url() ); |
| 586 | if ( blavatar_exists( $blavatar_domain ) ) { |
| 587 | return array( |
| 588 | 'src' => blavatar_url( $blavatar_domain, 'img', $width, false, true ), |
| 589 | 'width' => $width, |
| 590 | 'height' => $height, |
| 591 | 'type' => 'blavatar', |
| 592 | ); |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | // Second fall back, Site Logo. |
| 597 | if ( |
| 598 | function_exists( 'jetpack_has_site_logo' ) |
| 599 | && jetpack_has_site_logo() |
| 600 | ) { |
| 601 | $image_id = jetpack_get_site_logo( 'id' ); |
| 602 | $logo = wp_get_attachment_image_src( $image_id, 'full' ); |
| 603 | if ( |
| 604 | isset( $logo[0] ) && isset( $logo[1] ) && isset( $logo[2] ) |
| 605 | && ( _jetpack_og_get_image_validate_size( $logo[1], $logo[2], $width, $height ) ) |
| 606 | ) { |
| 607 | return array( |
| 608 | 'src' => $logo[0], |
| 609 | 'width' => $logo[1], |
| 610 | 'height' => $logo[2], |
| 611 | 'type' => 'site_logo', |
| 612 | ); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // Third fall back, Core's site logo. |
| 617 | if ( has_custom_logo() ) { |
| 618 | $custom_logo_id = get_theme_mod( 'custom_logo' ); |
| 619 | $sl_details = wp_get_attachment_image_src( |
| 620 | $custom_logo_id, |
| 621 | 'full' |
| 622 | ); |
| 623 | if ( |
| 624 | isset( $sl_details[0] ) && isset( $sl_details[1] ) && isset( $sl_details[2] ) |
| 625 | && ( _jetpack_og_get_image_validate_size( $sl_details[1], $sl_details[2], $width, $height ) ) |
| 626 | ) { |
| 627 | return array( |
| 628 | 'src' => $sl_details[0], |
| 629 | 'width' => $sl_details[1], |
| 630 | 'height' => $sl_details[2], |
| 631 | 'alt_text' => Images::get_alt_text( $custom_logo_id ), |
| 632 | ); |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | // Fourth fall back, Core Site Icon, if valid in size. |
| 637 | if ( has_site_icon() ) { |
| 638 | $image_id = get_option( 'site_icon' ); |
| 639 | $icon = wp_get_attachment_image_src( $image_id, 'full' ); |
| 640 | if ( |
| 641 | isset( $icon[0] ) && isset( $icon[1] ) && isset( $icon[2] ) |
| 642 | && ( _jetpack_og_get_image_validate_size( $icon[1], $icon[2], $width, $height ) ) |
| 643 | ) { |
| 644 | return array( |
| 645 | 'src' => $icon[0], |
| 646 | 'width' => $icon[1], |
| 647 | 'height' => $icon[2], |
| 648 | 'type' => 'site_icon', |
| 649 | ); |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | return array( |
| 654 | 'src' => '', |
| 655 | 'width' => $width, |
| 656 | 'height' => $height, |
| 657 | 'type' => 'blank', |
| 658 | ); |
| 659 | } |
| 660 | |
| 661 | /** |
| 662 | * Get the site's fallback image. |
| 663 | * |
| 664 | * @since 14.9 |
| 665 | * |
| 666 | * @return string |
| 667 | */ |
| 668 | function jetpack_og_get_site_fallback_blank_image() { |
| 669 | /** |
| 670 | * Filter the default Open Graph Image tag, used when no Image can be found in a post. |
| 671 | * |
| 672 | * @since 3.0.0 |
| 673 | * |
| 674 | * @param string $str Default Image URL. |
| 675 | */ |
| 676 | return apply_filters( 'jetpack_open_graph_image_default', 'https://s0.wp.com/i/blank.jpg' ); |
| 677 | } |
| 678 | |
| 679 | /** |
| 680 | * Get available templates for Social Image Generator. |
| 681 | * |
| 682 | * @since 14.9 |
| 683 | * |
| 684 | * @return array The available templates. |
| 685 | */ |
| 686 | function jetpack_og_get_available_templates() { |
| 687 | if ( ! class_exists( '\Automattic\Jetpack\Publicize\Social_Image_Generator\Templates' ) ) { |
| 688 | return array(); |
| 689 | } |
| 690 | |
| 691 | return \Automattic\Jetpack\Publicize\Social_Image_Generator\Templates::TEMPLATES; |
| 692 | } |
| 693 | |
| 694 | /** |
| 695 | * Get a social image token from Social Image Generator. |
| 696 | * |
| 697 | * @since 14.9 |
| 698 | * |
| 699 | * @param string $site_title The site title. |
| 700 | * @param string $image_url The image URL. |
| 701 | * @param string $template The template to use. |
| 702 | * |
| 703 | * @return string|WP_Error The social image token, or a WP_Error if the token could not be generated. |
| 704 | */ |
| 705 | function jetpack_og_get_social_image_token( $site_title, $image_url, $template ) { |
| 706 | // Let's check if we have a cached token. |
| 707 | $cache_key = wp_hash( $site_title . $image_url . $template ); |
| 708 | $transient_name = 'jetpack_og_social_image_token_' . $cache_key; |
| 709 | $cached_token = get_transient( $transient_name ); |
| 710 | |
| 711 | if ( ! empty( $cached_token ) ) { |
| 712 | return $cached_token; |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Filter the social image token for testing purposes. |
| 717 | * |
| 718 | * @since 14.9 |
| 719 | * |
| 720 | * @param string|WP_Error|null $token The token to return, or null to use default behavior. |
| 721 | */ |
| 722 | $token = apply_filters( 'jetpack_og_get_social_image_token', null ); |
| 723 | if ( null !== $token ) { |
| 724 | return $token; |
| 725 | } |
| 726 | |
| 727 | if ( ! function_exists( '\Automattic\Jetpack\Publicize\Social_Image_Generator\fetch_token' ) ) { |
| 728 | return new WP_Error( 'jetpack_og_get_social_image_token_error', __( 'Social Image Generator is not available.', 'jetpack' ) ); |
| 729 | } |
| 730 | |
| 731 | $token = \Automattic\Jetpack\Publicize\Social_Image_Generator\fetch_token( $site_title, $image_url, $template ); |
| 732 | |
| 733 | /* |
| 734 | * We want to cache 2 types of responses: |
| 735 | * - Successful responses with a token. |
| 736 | * - WP_Error responses that denote a WordPress.com connection issue. |
| 737 | */ |
| 738 | if ( |
| 739 | ! is_wp_error( $token ) |
| 740 | || ( |
| 741 | is_wp_error( $token ) |
| 742 | && 'invalid_user_permission_publicize' === $token->get_error_code() |
| 743 | ) |
| 744 | ) { |
| 745 | set_transient( $transient_name, $token, DAY_IN_SECONDS ); |
| 746 | } |
| 747 | |
| 748 | return $token; |
| 749 | } |
| 750 | |
| 751 | /** |
| 752 | * Generate and create a fallback social image. |
| 753 | * |
| 754 | * @since 14.9 |
| 755 | * |
| 756 | * @param array $representative_image The representative image of the site. |
| 757 | * @param string $template The template to use. |
| 758 | * |
| 759 | * @return array The source ('src'), 'width', and 'height' of the image. |
| 760 | */ |
| 761 | function jetpack_og_generate_fallback_social_image( $representative_image, $template ) { |
| 762 | $site_title = get_bloginfo( 'name' ); |
| 763 | $fallback_image = array( |
| 764 | 'src' => $representative_image['src'], |
| 765 | 'width' => $representative_image['width'], |
| 766 | 'height' => $representative_image['height'], |
| 767 | ); |
| 768 | |
| 769 | // Ensure that we use a valid template. |
| 770 | if ( |
| 771 | ! in_array( |
| 772 | $template, |
| 773 | jetpack_og_get_available_templates(), |
| 774 | true |
| 775 | ) |
| 776 | ) { |
| 777 | $template = 'edge'; |
| 778 | } |
| 779 | |
| 780 | // Let's generate the token matching the image.. |
| 781 | $token = jetpack_og_get_social_image_token( $site_title, $representative_image['src'], $template ); |
| 782 | |
| 783 | if ( is_wp_error( $token ) ) { |
| 784 | return $fallback_image; |
| 785 | } |
| 786 | |
| 787 | // Build the image URL and return it. |
| 788 | return array( |
| 789 | 'src' => sprintf( |
| 790 | 'https://s0.wp.com/_si/?t=%s', |
| 791 | $token |
| 792 | ), |
| 793 | 'width' => 1200, |
| 794 | 'height' => 630, |
| 795 | ); |
| 796 | } |
| 797 | |
| 798 | /** |
| 799 | * Validate the width and height against required width and height |
| 800 | * |
| 801 | * @param int $width Width of the image. |
| 802 | * @param int $height Height of the image. |
| 803 | * @param int $req_width Required width to pass validation. |
| 804 | * @param int $req_height Required height to pass validation. |
| 805 | * |
| 806 | * @return bool - True if the image passed the required size validation |
| 807 | */ |
| 808 | function _jetpack_og_get_image_validate_size( $width, $height, $req_width, $req_height ) { |
| 809 | if ( ! $width || ! $height ) { |
| 810 | return false; |
| 811 | } |
| 812 | |
| 813 | $valid_width = ( $width >= $req_width ); |
| 814 | $valid_height = ( $height >= $req_height ); |
| 815 | $is_image_acceptable = $valid_width && $valid_height; |
| 816 | |
| 817 | return $is_image_acceptable; |
| 818 | } |
| 819 | |
| 820 | /** |
| 821 | * Gets a gravatar URL of the specified size. |
| 822 | * |
| 823 | * @param string $email E-mail address to get gravatar for. |
| 824 | * @param int $width Size of returned gravatar. |
| 825 | * @return array|bool|mixed|string |
| 826 | */ |
| 827 | function jetpack_og_get_image_gravatar( $email, $width ) { |
| 828 | return get_avatar_url( |
| 829 | $email, |
| 830 | array( |
| 831 | 'size' => $width, |
| 832 | ) |
| 833 | ); |
| 834 | } |
| 835 | |
| 836 | /** |
| 837 | * Clean up text meant to be used as Description Open Graph tag. |
| 838 | * |
| 839 | * There should be: |
| 840 | * - no links |
| 841 | * - no shortcodes |
| 842 | * - no html tags or their contents |
| 843 | * - no content within wp:query blocks |
| 844 | * - not too many words. |
| 845 | * |
| 846 | * @param string $description Text coming from WordPress (autogenerated or manually generated by author). |
| 847 | * @param WP_Post|null $data Information about our post. |
| 848 | * |
| 849 | * @return string $description Cleaned up description string. |
| 850 | */ |
| 851 | function jetpack_og_get_description( $description = '', $data = null ) { |
| 852 | // Remove content within wp:query blocks. |
| 853 | $description = jetpack_og_remove_query_blocks( $description ); |
| 854 | |
| 855 | // Remove tags such as <style or <script. |
| 856 | $description = wp_strip_all_tags( $description ); |
| 857 | |
| 858 | /* |
| 859 | * Clean up any plain text entities left into formatted entities. |
| 860 | * Intentionally not using a filter to prevent pollution. |
| 861 | * @see https://github.com/Automattic/jetpack/pull/2899#issuecomment-151957382 |
| 862 | */ |
| 863 | $description = wp_kses( |
| 864 | trim( |
| 865 | convert_chars( |
| 866 | wptexturize( $description ) |
| 867 | ) |
| 868 | ), |
| 869 | array() |
| 870 | ); |
| 871 | |
| 872 | // Remove shortcodes. |
| 873 | $description = strip_shortcodes( $description ); |
| 874 | |
| 875 | // Remove links. |
| 876 | $description = preg_replace( |
| 877 | '@https?://[\S]+@', |
| 878 | '', |
| 879 | $description |
| 880 | ); |
| 881 | |
| 882 | /* |
| 883 | * Limit things to a small text blurb. |
| 884 | * There isn't a hard limit set by Facebook, so let's rely on WP's own limit. |
| 885 | * (55 words or the localized equivalent). |
| 886 | * This limit can be customized with the wp_trim_words filter. |
| 887 | */ |
| 888 | $description = wp_trim_words( $description ); |
| 889 | |
| 890 | // Let's set a default if we have no text by now. |
| 891 | if ( empty( $description ) ) { |
| 892 | /** |
| 893 | * Filter the fallback `og:description` used when no excerpt information is provided. |
| 894 | * |
| 895 | * @module sharedaddy, publicize |
| 896 | * |
| 897 | * @since 3.9.0 |
| 898 | * |
| 899 | * @param string $var Fallback og:description. Default is translated `Visit the post for more'. |
| 900 | * @param object $data Post object for the current post. |
| 901 | */ |
| 902 | $description = apply_filters( |
| 903 | 'jetpack_open_graph_fallback_description', |
| 904 | __( 'Visit the post for more.', 'jetpack' ), |
| 905 | $data |
| 906 | ); |
| 907 | } |
| 908 | |
| 909 | return $description; |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * Remove content within wp:query blocks from the description. |
| 914 | * |
| 915 | * @since 14.9 |
| 916 | * |
| 917 | * @param string $description The description text that may contain block markup. |
| 918 | * @return string The description with wp:query blocks removed. |
| 919 | */ |
| 920 | function jetpack_og_remove_query_blocks( $description ) { |
| 921 | // Handle non-string input |
| 922 | if ( ! is_string( $description ) ) { |
| 923 | return ''; |
| 924 | } |
| 925 | |
| 926 | $output = ''; |
| 927 | $offset = 0; |
| 928 | $depth = 0; |
| 929 | $in_query_block = false; |
| 930 | |
| 931 | $scanner = Block_Scanner::create( $description ); |
| 932 | if ( ! $scanner ) { |
| 933 | return $description; |
| 934 | } |
| 935 | |
| 936 | while ( $scanner->next_delimiter() ) { |
| 937 | $span = $scanner->get_span(); |
| 938 | $match_at = $span->start; |
| 939 | $length = $span->length; |
| 940 | |
| 941 | // Check if this is a query block. |
| 942 | if ( $scanner->is_block_type( 'query' ) ) { |
| 943 | switch ( $scanner->get_delimiter_type() ) { |
| 944 | case Block_Scanner::OPENER: |
| 945 | if ( ! $in_query_block ) { |
| 946 | // Copy content before the query block. |
| 947 | $output .= substr( $description, $offset, $match_at - $offset ); |
| 948 | $in_query_block = true; |
| 949 | } |
| 950 | ++$depth; |
| 951 | break; |
| 952 | |
| 953 | case Block_Scanner::CLOSER: |
| 954 | --$depth; |
| 955 | if ( $in_query_block && $depth === 0 ) { |
| 956 | // We've exited the query block, continue from after it. |
| 957 | $in_query_block = false; |
| 958 | $offset = $match_at + $length; |
| 959 | |
| 960 | // Remove extra newline if present |
| 961 | if ( |
| 962 | str_starts_with( substr( $description, $offset ), "\n" ) |
| 963 | && str_ends_with( $output, "\n" ) |
| 964 | ) { |
| 965 | ++$offset; |
| 966 | } |
| 967 | } |
| 968 | break; |
| 969 | |
| 970 | case Block_Scanner::VOID: |
| 971 | // Void query blocks should be removed entirely. |
| 972 | if ( ! $in_query_block ) { |
| 973 | $output .= substr( $description, $offset, $match_at - $offset ); |
| 974 | $offset = $match_at + $length; |
| 975 | // Remove extra newline if present |
| 976 | if ( |
| 977 | str_starts_with( substr( $description, $offset ), "\n" ) |
| 978 | && str_ends_with( $output, "\n" ) |
| 979 | ) { |
| 980 | ++$offset; |
| 981 | } |
| 982 | } |
| 983 | break; |
| 984 | } |
| 985 | } elseif ( ! $in_query_block ) { |
| 986 | // Not a query block, copy content including the delimiter if we're not inside a query block. |
| 987 | $output .= substr( $description, $offset, $match_at - $offset + $length ); |
| 988 | $offset = $match_at + $length; |
| 989 | } |
| 990 | } |
| 991 | |
| 992 | // Add any remaining content after the last delimiter. |
| 993 | if ( ! $in_query_block ) { |
| 994 | $output .= substr( $description, $offset ); |
| 995 | } |
| 996 | |
| 997 | return $output; |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * Display a Fediverse actor Open Graph tag when the post author has a Mastodon connection. |
| 1002 | * |
| 1003 | * @see https://blog.joinmastodon.org/2024/07/highlighting-journalism-on-mastodon/ |
| 1004 | * |
| 1005 | * @since 13.8 |
| 1006 | * |
| 1007 | * @param array $tags Current tags. |
| 1008 | * |
| 1009 | * @return array |
| 1010 | */ |
| 1011 | function jetpack_add_fediverse_creator_open_graph_tag( $tags ) { |
| 1012 | /* |
| 1013 | * Let's not do this on WordPress.com Simple for now, |
| 1014 | * because of its performance impact. |
| 1015 | * See p1723574138779019/1723572983.803009-slack-C01U2KGS2PQ |
| 1016 | */ |
| 1017 | if ( ( new Host() )->is_wpcom_simple() ) { |
| 1018 | return $tags; |
| 1019 | } |
| 1020 | |
| 1021 | // Let's not add any tags when the ActivityPub plugin already adds its own. |
| 1022 | $is_activitypub_opengraph_integration_active = get_option( 'activitypub_use_opengraph' ); |
| 1023 | if ( $is_activitypub_opengraph_integration_active ) { |
| 1024 | return $tags; |
| 1025 | } |
| 1026 | |
| 1027 | // We pull the Mastodon connection data from Publicize. |
| 1028 | if ( ! function_exists( 'publicize_init' ) ) { |
| 1029 | return $tags; |
| 1030 | } |
| 1031 | $publicize = publicize_init(); |
| 1032 | |
| 1033 | global $post; |
| 1034 | if ( |
| 1035 | ! is_singular() |
| 1036 | || ! $post instanceof WP_Post |
| 1037 | || ! isset( $post->ID ) |
| 1038 | || empty( $post->post_author ) |
| 1039 | ) { |
| 1040 | return $tags; |
| 1041 | } |
| 1042 | |
| 1043 | $post_mastodon_connections = array(); |
| 1044 | |
| 1045 | // Loop through active connections. |
| 1046 | foreach ( (array) $publicize->get_services( 'connected' ) as $service_name => $connections ) { |
| 1047 | if ( 'mastodon' !== $service_name ) { |
| 1048 | continue; |
| 1049 | } |
| 1050 | |
| 1051 | // services can have multiple connections. Store them all in our array. |
| 1052 | foreach ( $connections as $connection ) { |
| 1053 | $connection_id = $publicize->get_connection_id( $connection ); |
| 1054 | $connection_meta = $publicize->get_connection_meta( $connection ); |
| 1055 | |
| 1056 | $connection_data = $connection_meta['connection_data'] ?? array(); |
| 1057 | $mastodon_handle = $connection_meta['external_display'] ?? ''; |
| 1058 | $connection_user_id = $connection_data['user_id'] ?? 0; |
| 1059 | |
| 1060 | if ( empty( $mastodon_handle ) ) { |
| 1061 | continue; |
| 1062 | } |
| 1063 | |
| 1064 | // Did we skip this connection for this post? |
| 1065 | if ( get_post_meta( $post->ID, $publicize->POST_SKIP_PUBLICIZE . $connection_id, true ) ) { // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
| 1066 | continue; |
| 1067 | } |
| 1068 | |
| 1069 | $post_mastodon_connections[] = array( |
| 1070 | 'user_id' => (int) $connection_user_id, |
| 1071 | 'connection_id' => (int) $connection_id, |
| 1072 | 'handle' => $mastodon_handle, |
| 1073 | 'global' => 0 === (int) $connection_user_id, |
| 1074 | ); |
| 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | // If we have no Mastodon connections, skip. |
| 1079 | if ( empty( $post_mastodon_connections ) ) { |
| 1080 | return $tags; |
| 1081 | } |
| 1082 | |
| 1083 | /* |
| 1084 | * Select a single Mastodon connection to use. |
| 1085 | * It should be either the first connection belonging to the post author, |
| 1086 | * or the first global connection. |
| 1087 | */ |
| 1088 | foreach ( $post_mastodon_connections as $mastodon_connection ) { |
| 1089 | if ( (int) $post->post_author === $mastodon_connection['user_id'] ) { |
| 1090 | $tags['fediverse:creator'] = esc_attr( $mastodon_connection['handle'] ); |
| 1091 | break; |
| 1092 | } |
| 1093 | |
| 1094 | if ( $mastodon_connection['global'] ) { |
| 1095 | $tags['fediverse:creator'] = esc_attr( $mastodon_connection['handle'] ); |
| 1096 | break; |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | return $tags; |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * Update the markup for the Open Graph tag to match the expected output for Mastodon |
| 1105 | * (name instead of property). |
| 1106 | * |
| 1107 | * @since 13.8 |
| 1108 | * |
| 1109 | * @param string $og_tag A single OG tag. |
| 1110 | * |
| 1111 | * @return string Result of the OG tag. |
| 1112 | */ |
| 1113 | function jetpack_filter_fediverse_cards_output( $og_tag ) { |
| 1114 | return ( str_contains( $og_tag, 'fediverse:' ) ) ? preg_replace( '/property="([^"]+)"/', 'name="\1"', $og_tag ) : $og_tag; |
| 1115 | } |