| @@ -1,14 +1,18 @@ | ||
| 1 | 1 | <?php |
| 2 | +/** | |
| 3 | + * ActivityPub Comment Class | |
| 4 | + * | |
| 5 | + * @package Activitypub | |
| 6 | + */ | |
| 2 | 7 | |
| 3 | 8 | namespace Activitypub; |
| 4 | 9 | |
| 5 | -use WP_Comment_Query; | |
| 10 | +use Activitypub\Collection\Actors; | |
| 11 | +use Activitypub\Collection\Posts; | |
| 6 | 12 | |
| 7 | -use function Activitypub\is_user_disabled; | |
| 8 | - | |
| 9 | 13 | /** |
| 10 | - * ActivityPub Comment Class | |
| 14 | + * ActivityPub Comment Class. | |
| 11 | 15 | * |
| 12 | 16 | * This class is a helper/utils class that provides a collection of static |
| 13 | 17 | * methods that are used to handle comments. |
| 14 | 18 | */ |
| @@ -13,25 +17,91 @@ | ||
| 13 | 17 | * methods that are used to handle comments. |
| 14 | 18 | */ |
| 15 | 19 | class Comment { |
| 16 | 20 | /** |
| 17 | - * Initialize the class, registering WordPress hooks | |
| 21 | + * Initialize the class, registering WordPress hooks. | |
| 18 | 22 | */ |
| 19 | 23 | public static function init() { |
| 24 | + self::register_comment_types(); | |
| 25 | + | |
| 26 | + \add_filter( 'map_meta_cap', array( self::class, 'map_meta_cap' ), 10, 4 ); | |
| 20 | 27 | \add_filter( 'comment_reply_link', array( self::class, 'comment_reply_link' ), 10, 3 ); |
| 21 | 28 | \add_filter( 'comment_class', array( self::class, 'comment_class' ), 10, 3 ); |
| 22 | - \add_filter( 'get_comment_link', array( self::class, 'remote_comment_link' ), 11, 3 ); | |
| 29 | + \add_filter( 'comment_feed_where', array( static::class, 'comment_feed_where' ) ); | |
| 30 | + \add_filter( 'get_comment_link', array( self::class, 'remote_comment_link' ), 11, 2 ); | |
| 31 | + \add_action( 'pre_get_comments', array( static::class, 'comment_query' ) ); | |
| 32 | + \add_filter( 'pre_comment_approved', array( static::class, 'pre_comment_approved' ), 11, 2 ); | |
| 33 | + \add_filter( 'get_avatar_comment_types', array( static::class, 'get_avatar_comment_types' ), 99 ); | |
| 34 | + \add_action( 'update_option_activitypub_allow_likes', array( self::class, 'maybe_update_comment_counts' ), 10, 2 ); | |
| 35 | + \add_action( 'update_option_activitypub_allow_reposts', array( self::class, 'maybe_update_comment_counts' ), 10, 2 ); | |
| 36 | + \add_filter( 'pre_wp_update_comment_count_now', array( static::class, 'pre_wp_update_comment_count_now' ), 5, 3 ); | |
| 37 | + \add_filter( 'get_comment_author', array( static::class, 'render_emoji' ), 10, 2 ); | |
| 38 | + \add_filter( 'comment_author', array( static::class, 'unescape_emoji' ), 20 ); // After esc_html(). | |
| 39 | + \add_filter( 'rest_comment_query', array( static::class, 'rest_comment_query' ) ); | |
| 40 | + \add_filter( 'comment_text', array( static::class, 'render_blocks' ), 5 ); // Before other filters. | |
| 23 | 41 | } |
| 24 | 42 | |
| 25 | 43 | /** |
| 44 | + * Render blocks in comment content. | |
| 45 | + * | |
| 46 | + * Comments don't automatically parse blocks like posts do. | |
| 47 | + * This filter applies do_blocks() to render activitypub/emoji | |
| 48 | + * and activitypub/image blocks in comment content. | |
| 49 | + * | |
| 50 | + * @param string $content The comment content. | |
| 51 | + * | |
| 52 | + * @return string The content with blocks rendered. | |
| 53 | + */ | |
| 54 | + public static function render_blocks( $content ) { | |
| 55 | + if ( empty( $content ) || ! \str_contains( $content, '<!-- wp:activitypub/' ) ) { | |
| 56 | + return $content; | |
| 57 | + } | |
| 58 | + | |
| 59 | + $blocks = \parse_blocks( $content ); | |
| 60 | + $output = ''; | |
| 61 | + | |
| 62 | + foreach ( $blocks as $block ) { | |
| 63 | + if ( ! empty( $block['blockName'] ) && \str_starts_with( $block['blockName'], 'activitypub/' ) ) { | |
| 64 | + $output .= \render_block( $block ); | |
| 65 | + } else { | |
| 66 | + $output .= \serialize_block( $block ); | |
| 67 | + } | |
| 68 | + } | |
| 69 | + | |
| 70 | + return $output; | |
| 71 | + } | |
| 72 | + | |
| 73 | + /** | |
| 74 | + * Remove edit capabilities for comments received via ActivityPub. | |
| 75 | + * | |
| 76 | + * @param array $caps Array of capabilities. | |
| 77 | + * @param string $cap Capability name. | |
| 78 | + * @param int $user_id User ID. | |
| 79 | + * @param array $args Array of arguments. | |
| 80 | + * | |
| 81 | + * @return array Modified array of capabilities. | |
| 82 | + */ | |
| 83 | + public static function map_meta_cap( $caps, $cap, $user_id, $args ) { | |
| 84 | + if ( 'edit_comment' === $cap && self::was_received( $args[0] ) ) { | |
| 85 | + if ( ! \is_admin() || ( isset( $GLOBALS['current_screen'] ) && 'comment' === $GLOBALS['current_screen']->id ) ) { | |
| 86 | + $caps[] = 'do_not_allow'; | |
| 87 | + } | |
| 88 | + } | |
| 89 | + | |
| 90 | + return $caps; | |
| 91 | + } | |
| 92 | + | |
| 93 | + /** | |
| 26 | 94 | * Filter the comment reply link. |
| 27 | 95 | * |
| 28 | - * We don't want to show the comment reply link for federated comments | |
| 29 | - * if the user is disabled for federation. | |
| 96 | + * Handles three cases for replies to fediverse comments: | |
| 97 | + * 1. User can federate → show normal reply link | |
| 98 | + * 2. User is logged in but can't federate → show warning (no reply link) | |
| 99 | + * 3. User is not logged in → show remote reply block | |
| 30 | 100 | * |
| 31 | - * @param string $link The HTML markup for the comment reply link. | |
| 32 | - * @param array $args An array of arguments overriding the defaults. | |
| 33 | - * @param WP_Comment $comment The object of the comment being replied. | |
| 101 | + * @param string $link The HTML markup for the comment reply link. | |
| 102 | + * @param array $args An array of arguments overriding the defaults. | |
| 103 | + * @param \WP_Comment $comment The object of the comment being replied. | |
| 34 | 104 | * |
| 35 | 105 | * @return string The filtered HTML markup for the comment reply link. |
| 36 | 106 | */ |
| 37 | 107 | public static function comment_reply_link( $link, $args, $comment ) { |
| @@ -38,9 +108,59 @@ | ||
| 38 | 108 | if ( self::are_comments_allowed( $comment ) ) { |
| 39 | 109 | return $link; |
| 40 | 110 | } |
| 41 | 111 | |
| 42 | - return apply_filters( 'activitypub_comment_reply_link', '' ); | |
| 112 | + // Logged-in user without ActivityPub capability - show warning instead of reply link. | |
| 113 | + if ( \is_user_logged_in() ) { | |
| 114 | + $author = \esc_html( $comment->comment_author ); | |
| 115 | + | |
| 116 | + $message = sprintf( | |
| 117 | + /* translators: %s: comment author name */ | |
| 118 | + \__( '%s is on the Fediverse. To reply to them, ask your administrator to enable ActivityPub for your account.', 'activitypub' ), | |
| 119 | + $author | |
| 120 | + ); | |
| 121 | + | |
| 122 | + // Add link to users page if current user can edit users. | |
| 123 | + if ( \current_user_can( 'edit_users' ) ) { | |
| 124 | + $message = sprintf( | |
| 125 | + /* translators: 1: comment author name, 2: URL to the users management page */ | |
| 126 | + \__( '%1$s is on the Fediverse. To reply to them, <a href="%2$s">enable ActivityPub for your account</a>.', 'activitypub' ), | |
| 127 | + $author, | |
| 128 | + \esc_url( \admin_url( 'users.php' ) ) | |
| 129 | + ); | |
| 130 | + } | |
| 131 | + | |
| 132 | + $warning = sprintf( | |
| 133 | + '<p class="activitypub-reply-warning"><em>%s</em></p>', | |
| 134 | + \wp_kses( $message, array( 'a' => array( 'href' => array() ) ) ) | |
| 135 | + ); | |
| 136 | + | |
| 137 | + /** | |
| 138 | + * Filters the warning message shown to logged-in users without ActivityPub capability. | |
| 139 | + * | |
| 140 | + * @param string $warning The warning HTML markup. | |
| 141 | + * @param \WP_Comment $comment The comment being replied to. | |
| 142 | + */ | |
| 143 | + return \apply_filters( 'activitypub_federation_warning', $warning, $comment ); | |
| 144 | + } | |
| 145 | + | |
| 146 | + if ( ! \WP_Block_Type_Registry::get_instance()->is_registered( 'activitypub/remote-reply' ) ) { | |
| 147 | + \register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . 'build/remote-reply' ); | |
| 148 | + } | |
| 149 | + | |
| 150 | + $attributes = array( | |
| 151 | + 'selectedComment' => self::generate_id( $comment ), | |
| 152 | + 'commentId' => $comment->comment_ID, | |
| 153 | + ); | |
| 154 | + | |
| 155 | + $block = \do_blocks( \sprintf( '<!-- wp:activitypub/remote-reply %s /-->', \wp_json_encode( $attributes ) ) ); | |
| 156 | + | |
| 157 | + /** | |
| 158 | + * Filters the HTML markup for the ActivityPub remote comment reply container. | |
| 159 | + * | |
| 160 | + * @param string $block The HTML markup for the remote reply container. | |
| 161 | + */ | |
| 162 | + return \apply_filters( 'activitypub_comment_reply_link', $block ); | |
| 43 | 163 | } |
| 44 | 164 | |
| 45 | 165 | /** |
| 46 | 166 | * Check if it is allowed to comment to a comment. |
| @@ -63,15 +183,15 @@ | ||
| 63 | 183 | if ( ! $current_user ) { |
| 64 | 184 | return false; |
| 65 | 185 | } |
| 66 | 186 | |
| 67 | - $is_user_disabled = is_user_disabled( $current_user ); | |
| 68 | - | |
| 69 | - if ( $is_user_disabled ) { | |
| 70 | - return false; | |
| 187 | + if ( is_single_user() && \user_can( $current_user, 'activitypub' ) ) { | |
| 188 | + // On a single user site, comments by users with the `activitypub` capability will be federated as the blog user. | |
| 189 | + $current_user = Actors::BLOG_USER_ID; | |
| 71 | 190 | } |
| 72 | 191 | |
| 73 | - return true; | |
| 192 | + // User is not allowed to federate comments. | |
| 193 | + return user_can_activitypub( $current_user ); | |
| 74 | 194 | } |
| 75 | 195 | |
| 76 | 196 | /** |
| 77 | 197 | * Check if a comment is federated. |
| @@ -155,9 +275,9 @@ | ||
| 155 | 275 | * |
| 156 | 276 | * @return boolean True if the comment should be federated, false otherwise. |
| 157 | 277 | */ |
| 158 | 278 | public static function should_be_federated( $comment ) { |
| 159 | - // we should not federate federated comments | |
| 279 | + // We should not federate federated comments. | |
| 160 | 280 | if ( self::was_received( $comment ) ) { |
| 161 | 281 | return false; |
| 162 | 282 | } |
| 163 | 283 | |
| @@ -163,26 +283,29 @@ | ||
| 163 | 283 | |
| 164 | 284 | $comment = \get_comment( $comment ); |
| 165 | 285 | $user_id = $comment->user_id; |
| 166 | 286 | |
| 167 | - // comments without user can't be federated | |
| 287 | + // Comments without user can't be federated. | |
| 168 | 288 | if ( ! $user_id ) { |
| 169 | 289 | return false; |
| 170 | 290 | } |
| 171 | 291 | |
| 172 | - $is_user_disabled = is_user_disabled( $user_id ); | |
| 292 | + if ( is_single_user() && \user_can( $user_id, 'activitypub' ) ) { | |
| 293 | + // On a single user site, comments by users with the `activitypub` capability will be federated as the blog user. | |
| 294 | + $user_id = Actors::BLOG_USER_ID; | |
| 295 | + } | |
| 173 | 296 | |
| 174 | - // user is disabled for federation | |
| 175 | - if ( $is_user_disabled ) { | |
| 297 | + // User is not allowed to federate comments. | |
| 298 | + if ( ! user_can_activitypub( $user_id ) ) { | |
| 176 | 299 | return false; |
| 177 | 300 | } |
| 178 | 301 | |
| 179 | - // it is a comment to the post and can be federated | |
| 302 | + // It is a comment to the post and can be federated. | |
| 180 | 303 | if ( empty( $comment->comment_parent ) ) { |
| 181 | 304 | return true; |
| 182 | 305 | } |
| 183 | 306 | |
| 184 | - // check if parent comment is federated | |
| 307 | + // Check if parent comment is federated. | |
| 185 | 308 | $parent_comment = \get_comment( $comment->comment_parent ); |
| 186 | 309 | |
| 187 | 310 | return ! self::is_local( $parent_comment ); |
| 188 | 311 | } |
| @@ -191,15 +314,17 @@ | ||
| 191 | 314 | * Examine a comment ID and look up an existing comment it represents. |
| 192 | 315 | * |
| 193 | 316 | * @param string $id ActivityPub object ID (usually a URL) to check. |
| 194 | 317 | * |
| 195 | - * @return int|boolean Comment ID, or false on failure. | |
| 318 | + * @return \WP_Comment|false Comment object, or false on failure. | |
| 196 | 319 | */ |
| 197 | 320 | public static function object_id_to_comment( $id ) { |
| 198 | - $comment_query = new WP_Comment_Query( | |
| 321 | + $comment_query = new \WP_Comment_Query( | |
| 199 | 322 | array( |
| 200 | 323 | 'meta_key' => 'source_id', // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key |
| 201 | 324 | 'meta_value' => $id, // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_value |
| 325 | + 'orderby' => 'comment_date', | |
| 326 | + 'order' => 'DESC', | |
| 202 | 327 | ) |
| 203 | 328 | ); |
| 204 | 329 | |
| 205 | 330 | if ( ! $comment_query->comments ) { |
| @@ -205,34 +330,30 @@ | ||
| 205 | 330 | if ( ! $comment_query->comments ) { |
| 206 | 331 | return false; |
| 207 | 332 | } |
| 208 | 333 | |
| 209 | - if ( count( $comment_query->comments ) > 1 ) { | |
| 210 | - return false; | |
| 211 | - } | |
| 212 | - | |
| 213 | 334 | return $comment_query->comments[0]; |
| 214 | 335 | } |
| 215 | 336 | |
| 216 | 337 | /** |
| 217 | 338 | * Verify if URL is a local comment, or if it is a previously received |
| 218 | - * remote comment (For threading comments locally) | |
| 339 | + * remote comment (For threading comments locally). | |
| 219 | 340 | * |
| 220 | 341 | * @param string $url The URL to check. |
| 221 | 342 | * |
| 222 | - * @return int comment_ID or null if not found | |
| 343 | + * @return string|null Comment ID or null if not found. | |
| 223 | 344 | */ |
| 224 | 345 | public static function url_to_commentid( $url ) { |
| 225 | - if ( ! $url || ! filter_var( $url, \FILTER_VALIDATE_URL ) ) { | |
| 346 | + if ( ! $url || ! \filter_var( $url, \FILTER_VALIDATE_URL ) ) { | |
| 226 | 347 | return null; |
| 227 | 348 | } |
| 228 | 349 | |
| 229 | - // check for local comment | |
| 230 | - if ( \wp_parse_url( \site_url(), \PHP_URL_HOST ) === \wp_parse_url( $url, \PHP_URL_HOST ) ) { | |
| 350 | + // Check for local comment. | |
| 351 | + if ( is_same_domain( $url ) ) { | |
| 231 | 352 | $query = \wp_parse_url( $url, \PHP_URL_QUERY ); |
| 232 | 353 | |
| 233 | 354 | if ( $query ) { |
| 234 | - parse_str( $query, $params ); | |
| 355 | + \parse_str( $query, $params ); | |
| 235 | 356 | |
| 236 | 357 | if ( ! empty( $params['c'] ) ) { |
| 237 | 358 | $comment = \get_comment( $params['c'] ); |
| 238 | 359 | |
| @@ -257,9 +378,9 @@ | ||
| 257 | 378 | ), |
| 258 | 379 | ), |
| 259 | 380 | ); |
| 260 | 381 | |
| 261 | - $query = new WP_Comment_Query(); | |
| 382 | + $query = new \WP_Comment_Query(); | |
| 262 | 383 | $comments = $query->query( $args ); |
| 263 | 384 | |
| 264 | 385 | if ( $comments && is_array( $comments ) ) { |
| 265 | 386 | return $comments[0]->comment_ID; |
| @@ -277,9 +398,9 @@ | ||
| 277 | 398 | * |
| 278 | 399 | * @return string[] An array of classes. |
| 279 | 400 | */ |
| 280 | 401 | public static function comment_class( $classes, $css_class, $comment_id ) { |
| 281 | - // check if ActivityPub comment | |
| 402 | + // Check if ActivityPub comment. | |
| 282 | 403 | if ( 'activitypub' === get_comment_meta( $comment_id, 'protocol', true ) ) { |
| 283 | 404 | $classes[] = 'activitypub-comment'; |
| 284 | 405 | } |
| 285 | 406 | |
| @@ -286,29 +407,98 @@ | ||
| 286 | 407 | return $classes; |
| 287 | 408 | } |
| 288 | 409 | |
| 289 | 410 | /** |
| 411 | + * Makes the comment feed filterable by comment type. | |
| 412 | + * | |
| 413 | + * Also excludes ActivityPub comment types from the feed when no type is specified. | |
| 414 | + * | |
| 415 | + * @param string $where The `WHERE` clause for the comment feed query. | |
| 416 | + * | |
| 417 | + * @return string The modified `WHERE` clause. | |
| 418 | + */ | |
| 419 | + public static function comment_feed_where( $where ) { | |
| 420 | + global $wpdb; | |
| 421 | + | |
| 422 | + $comment_type = \get_query_var( 'type' ); | |
| 423 | + | |
| 424 | + if ( 'all' === $comment_type ) { | |
| 425 | + return $where; | |
| 426 | + } | |
| 427 | + | |
| 428 | + $comment_types = self::get_comment_type_slugs(); | |
| 429 | + | |
| 430 | + if ( \in_array( $comment_type, $comment_types, true ) ) { | |
| 431 | + $where .= $wpdb->prepare( ' AND comment_type = %s', $comment_type ); | |
| 432 | + } else { | |
| 433 | + $comment_types = \array_map( 'esc_sql', $comment_types ); | |
| 434 | + $placeholders = implode( ', ', array_fill( 0, count( $comment_types ), '%s' ) ); | |
| 435 | + // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber, WordPress.DB.PreparedSQL.NotPrepared | |
| 436 | + $where .= $wpdb->prepare( sprintf( ' AND comment_type NOT IN (%s)', $placeholders ), ...$comment_types ); | |
| 437 | + } | |
| 438 | + | |
| 439 | + return $where; | |
| 440 | + } | |
| 441 | + | |
| 442 | + /** | |
| 443 | + * Gets the public comment id via the WordPress comments meta. | |
| 444 | + * | |
| 445 | + * @param int $wp_comment_id The internal WordPress comment ID. | |
| 446 | + * @param bool $fallback Whether the code should fall back to `source_url` if `source_id` is not set. | |
| 447 | + * | |
| 448 | + * @return string|null The ActivityPub id/url of the comment. | |
| 449 | + */ | |
| 450 | + public static function get_source_id( $wp_comment_id, $fallback = true ) { | |
| 451 | + $comment_meta = \get_comment_meta( $wp_comment_id ); | |
| 452 | + | |
| 453 | + if ( ! empty( $comment_meta['source_id'][0] ) ) { | |
| 454 | + return $comment_meta['source_id'][0]; | |
| 455 | + } elseif ( ! empty( $comment_meta['source_url'][0] ) && $fallback ) { | |
| 456 | + return $comment_meta['source_url'][0]; | |
| 457 | + } | |
| 458 | + | |
| 459 | + return null; | |
| 460 | + } | |
| 461 | + | |
| 462 | + /** | |
| 463 | + * Gets the public comment url via the WordPress comments meta. | |
| 464 | + * | |
| 465 | + * @param int $wp_comment_id The internal WordPress comment ID. | |
| 466 | + * @param bool $fallback Whether the code should fall back to `source_id` if `source_url` is not set. | |
| 467 | + * | |
| 468 | + * @return string|null The ActivityPub id/url of the comment. | |
| 469 | + */ | |
| 470 | + public static function get_source_url( $wp_comment_id, $fallback = true ) { | |
| 471 | + $comment_meta = \get_comment_meta( $wp_comment_id ); | |
| 472 | + | |
| 473 | + if ( ! empty( $comment_meta['source_url'][0] ) ) { | |
| 474 | + return $comment_meta['source_url'][0]; | |
| 475 | + } elseif ( ! empty( $comment_meta['source_id'][0] ) && $fallback ) { | |
| 476 | + return $comment_meta['source_id'][0]; | |
| 477 | + } | |
| 478 | + | |
| 479 | + return null; | |
| 480 | + } | |
| 481 | + | |
| 482 | + /** | |
| 290 | 483 | * Link remote comments to source url. |
| 291 | 484 | * |
| 292 | - * @param string $comment_link | |
| 293 | - * @param object|WP_Comment $comment | |
| 485 | + * @param string $comment_link The comment link. | |
| 486 | + * @param object|\WP_Comment $comment The comment object. | |
| 294 | 487 | * |
| 295 | 488 | * @return string $url |
| 296 | 489 | */ |
| 297 | 490 | public static function remote_comment_link( $comment_link, $comment ) { |
| 298 | - if ( ! $comment || is_admin() ) { | |
| 491 | + if ( ! $comment || \is_admin() || \is_search() ) { | |
| 299 | 492 | return $comment_link; |
| 300 | 493 | } |
| 301 | 494 | |
| 302 | - $comment_meta = \get_comment_meta( $comment->comment_ID ); | |
| 303 | - | |
| 304 | - if ( ! empty( $comment_meta['source_url'][0] ) ) { | |
| 305 | - return $comment_meta['source_url'][0]; | |
| 306 | - } elseif ( ! empty( $comment_meta['source_id'][0] ) ) { | |
| 307 | - return $comment_meta['source_id'][0]; | |
| 495 | + $remote_comment_link = null; | |
| 496 | + if ( 'comment' === $comment->comment_type ) { | |
| 497 | + $remote_comment_link = self::get_source_url( $comment->comment_ID ); | |
| 308 | 498 | } |
| 309 | 499 | |
| 310 | - return $comment_link; | |
| 500 | + return $remote_comment_link ?? $comment_link; | |
| 311 | 501 | } |
| 312 | 502 | |
| 313 | 503 | |
| 314 | 504 | /** |
| @@ -313,26 +503,532 @@ | ||
| 313 | 503 | |
| 314 | 504 | /** |
| 315 | 505 | * Generates an ActivityPub URI for a comment |
| 316 | 506 | * |
| 317 | - * @param WP_Comment|int $comment A comment object or comment ID | |
| 507 | + * @param \WP_Comment|int $comment A comment object or comment ID. | |
| 318 | 508 | * |
| 319 | 509 | * @return string ActivityPub URI for comment |
| 320 | 510 | */ |
| 321 | 511 | public static function generate_id( $comment ) { |
| 322 | - $comment = get_comment( $comment ); | |
| 512 | + $comment = \get_comment( $comment ); | |
| 323 | 513 | |
| 324 | - // show external comment ID if it exists | |
| 325 | - $source_id = get_comment_meta( $comment->comment_ID, 'source_id', true ); | |
| 326 | - if ( ! empty( $source_id ) ) { | |
| 327 | - return $source_id; | |
| 514 | + // Show external comment ID if it exists. | |
| 515 | + $public_comment_link = self::get_source_id( $comment->comment_ID ); | |
| 516 | + | |
| 517 | + if ( $public_comment_link ) { | |
| 518 | + return $public_comment_link; | |
| 328 | 519 | } |
| 329 | 520 | |
| 330 | - // generate URI based on comment ID | |
| 331 | - return \add_query_arg( | |
| 521 | + // Generate URI based on comment ID. | |
| 522 | + return \add_query_arg( 'c', $comment->comment_ID, \home_url( '/' ) ); | |
| 523 | + } | |
| 524 | + | |
| 525 | + /** | |
| 526 | + * Check if a post has remote comments | |
| 527 | + * | |
| 528 | + * @param int $post_id The post ID. | |
| 529 | + * | |
| 530 | + * @return bool True if the post has remote comments, false otherwise. | |
| 531 | + */ | |
| 532 | + private static function post_has_remote_comments( $post_id ) { | |
| 533 | + $comments = \get_comments( | |
| 332 | 534 | array( |
| 333 | - 'c' => $comment->comment_ID, | |
| 334 | - ), | |
| 335 | - \trailingslashit( site_url() ) | |
| 535 | + 'post_id' => $post_id, | |
| 536 | + // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query | |
| 537 | + 'meta_query' => array( | |
| 538 | + 'relation' => 'AND', | |
| 539 | + array( | |
| 540 | + 'key' => 'protocol', | |
| 541 | + 'value' => 'activitypub', | |
| 542 | + 'compare' => '=', | |
| 543 | + ), | |
| 544 | + array( | |
| 545 | + 'key' => 'source_id', | |
| 546 | + 'compare' => 'EXISTS', | |
| 547 | + ), | |
| 548 | + ), | |
| 549 | + ) | |
| 336 | 550 | ); |
| 551 | + | |
| 552 | + return ! empty( $comments ); | |
| 553 | + } | |
| 554 | + | |
| 555 | + /** | |
| 556 | + * Get the comment type by activity type. | |
| 557 | + * | |
| 558 | + * @param string $activity_type The activity type. | |
| 559 | + * | |
| 560 | + * @return array|null The comment type. | |
| 561 | + */ | |
| 562 | + public static function get_comment_type_by_activity_type( $activity_type ) { | |
| 563 | + $activity_type = \strtolower( $activity_type ); | |
| 564 | + $activity_type = \sanitize_key( $activity_type ); | |
| 565 | + $comment_types = self::get_comment_types(); | |
| 566 | + | |
| 567 | + foreach ( $comment_types as $comment_type ) { | |
| 568 | + if ( in_array( $activity_type, $comment_type['activity_types'], true ) ) { | |
| 569 | + return $comment_type; | |
| 570 | + } | |
| 571 | + } | |
| 572 | + | |
| 573 | + return null; | |
| 574 | + } | |
| 575 | + | |
| 576 | + /** | |
| 577 | + * Return the registered custom comment types. | |
| 578 | + * | |
| 579 | + * @return array The registered custom comment types | |
| 580 | + */ | |
| 581 | + public static function get_comment_types() { | |
| 582 | + global $activitypub_comment_types; | |
| 583 | + | |
| 584 | + return $activitypub_comment_types; | |
| 585 | + } | |
| 586 | + | |
| 587 | + /** | |
| 588 | + * Is this a registered comment type. | |
| 589 | + * | |
| 590 | + * @param string $slug The slug of the type. | |
| 591 | + * | |
| 592 | + * @return boolean True if registered. | |
| 593 | + */ | |
| 594 | + public static function is_registered_comment_type( $slug ) { | |
| 595 | + $slug = \strtolower( $slug ); | |
| 596 | + $slug = \sanitize_key( $slug ); | |
| 597 | + | |
| 598 | + $comment_types = self::get_comment_types(); | |
| 599 | + | |
| 600 | + return isset( $comment_types[ $slug ] ); | |
| 601 | + } | |
| 602 | + | |
| 603 | + /** | |
| 604 | + * Return the registered custom comment type slugs. | |
| 605 | + * | |
| 606 | + * @return array The registered custom comment type slugs. | |
| 607 | + */ | |
| 608 | + public static function get_comment_type_slugs() { | |
| 609 | + if ( ! did_action( 'init' ) ) { | |
| 610 | + _doing_it_wrong( __METHOD__, 'This function should not be called before the init action has run. Comment types are only available after init.', '7.5.0' ); | |
| 611 | + | |
| 612 | + return array(); | |
| 613 | + } | |
| 614 | + | |
| 615 | + return array_keys( self::get_comment_types() ); | |
| 616 | + } | |
| 617 | + | |
| 618 | + /** | |
| 619 | + * Get the custom comment type. | |
| 620 | + * | |
| 621 | + * Check if the type is registered, if not, check if it is a custom type. | |
| 622 | + * | |
| 623 | + * It looks for the array key in the registered types and returns the array. | |
| 624 | + * If it is not found, it looks for the type in the custom types and returns the array. | |
| 625 | + * | |
| 626 | + * @param string $type The comment type. | |
| 627 | + * | |
| 628 | + * @return array The comment type. | |
| 629 | + */ | |
| 630 | + public static function get_comment_type( $type ) { | |
| 631 | + $type = strtolower( $type ); | |
| 632 | + $type = sanitize_key( $type ); | |
| 633 | + | |
| 634 | + $comment_types = self::get_comment_types(); | |
| 635 | + $type_array = array(); | |
| 636 | + | |
| 637 | + // Check array keys. | |
| 638 | + if ( in_array( $type, array_keys( $comment_types ), true ) ) { | |
| 639 | + $type_array = $comment_types[ $type ]; | |
| 640 | + } | |
| 641 | + | |
| 642 | + /** | |
| 643 | + * Filter the comment type. | |
| 644 | + * | |
| 645 | + * @param array $type_array The comment type. | |
| 646 | + */ | |
| 647 | + return apply_filters( "activitypub_comment_type_{$type}", $type_array ); | |
| 648 | + } | |
| 649 | + | |
| 650 | + /** | |
| 651 | + * Get a comment type attribute. | |
| 652 | + * | |
| 653 | + * @param string $type The comment type. | |
| 654 | + * @param string $attr The attribute to get. | |
| 655 | + * | |
| 656 | + * @return mixed The value of the attribute. | |
| 657 | + */ | |
| 658 | + public static function get_comment_type_attr( $type, $attr ) { | |
| 659 | + $type_array = self::get_comment_type( $type ); | |
| 660 | + | |
| 661 | + if ( $type_array && isset( $type_array[ $attr ] ) ) { | |
| 662 | + $value = $type_array[ $attr ]; | |
| 663 | + } else { | |
| 664 | + $value = ''; | |
| 665 | + } | |
| 666 | + | |
| 667 | + /** | |
| 668 | + * Filter the comment type attribute. | |
| 669 | + * | |
| 670 | + * @param mixed $value The value of the attribute. | |
| 671 | + * @param string $type The comment type. | |
| 672 | + */ | |
| 673 | + return apply_filters( "activitypub_comment_type_{$attr}", $value, $type ); | |
| 674 | + } | |
| 675 | + | |
| 676 | + /** | |
| 677 | + * Register the comment types used by the ActivityPub plugin. | |
| 678 | + */ | |
| 679 | + public static function register_comment_types() { | |
| 680 | + register_comment_type( | |
| 681 | + 'repost', | |
| 682 | + array( | |
| 683 | + 'label' => __( 'Reposts', 'activitypub' ), | |
| 684 | + 'singular' => __( 'Repost', 'activitypub' ), | |
| 685 | + 'description' => 'A repost (or Announce) is when a post appears in the timeline because someone else shared it, while still showing the original author as the source.', | |
| 686 | + 'icon' => '♻️', | |
| 687 | + 'class' => 'p-repost', | |
| 688 | + 'type' => 'repost', | |
| 689 | + 'collection' => 'reposts', | |
| 690 | + 'activity_types' => array( 'announce' ), | |
| 691 | + 'excerpt' => html_entity_decode( \__( '… reposted this!', 'activitypub' ) ), | |
| 692 | + /* translators: %d: Number of reposts */ | |
| 693 | + 'count_single' => _x( '%d repost', 'number of reposts', 'activitypub' ), | |
| 694 | + /* translators: %d: Number of reposts */ | |
| 695 | + 'count_plural' => _x( '%d reposts', 'number of reposts', 'activitypub' ), | |
| 696 | + ) | |
| 697 | + ); | |
| 698 | + | |
| 699 | + register_comment_type( | |
| 700 | + 'like', | |
| 701 | + array( | |
| 702 | + 'label' => __( 'Likes', 'activitypub' ), | |
| 703 | + 'singular' => __( 'Like', 'activitypub' ), | |
| 704 | + 'description' => 'A like is a small positive reaction that shows appreciation for a post without sharing it further.', | |
| 705 | + 'icon' => '👍', | |
| 706 | + 'class' => 'p-like', | |
| 707 | + 'type' => 'like', | |
| 708 | + 'collection' => 'likes', | |
| 709 | + 'activity_types' => array( 'like' ), | |
| 710 | + 'excerpt' => html_entity_decode( \__( '… liked this!', 'activitypub' ) ), | |
| 711 | + /* translators: %d: Number of likes */ | |
| 712 | + 'count_single' => _x( '%d like', 'number of likes', 'activitypub' ), | |
| 713 | + /* translators: %d: Number of likes */ | |
| 714 | + 'count_plural' => _x( '%d likes', 'number of likes', 'activitypub' ), | |
| 715 | + ) | |
| 716 | + ); | |
| 717 | + | |
| 718 | + register_comment_type( | |
| 719 | + 'quote', | |
| 720 | + array( | |
| 721 | + 'label' => __( 'Quotes', 'activitypub' ), | |
| 722 | + 'singular' => __( 'Quote', 'activitypub' ), | |
| 723 | + 'description' => 'A quote is when a post is shared along with an added comment, so the original post appears together with the sharer’s own words.', | |
| 724 | + 'icon' => '❞', | |
| 725 | + 'class' => 'p-quote', | |
| 726 | + 'type' => 'quote', | |
| 727 | + 'collection' => 'quotes', | |
| 728 | + 'activity_types' => array( 'quote' ), | |
| 729 | + 'excerpt' => html_entity_decode( \__( '… quoted this!', 'activitypub' ) ), | |
| 730 | + /* translators: %d: Number of quotes */ | |
| 731 | + 'count_single' => _x( '%d quote', 'number of quotes', 'activitypub' ), | |
| 732 | + /* translators: %d: Number of quotes */ | |
| 733 | + 'count_plural' => _x( '%d quotes', 'number of quotes', 'activitypub' ), | |
| 734 | + ) | |
| 735 | + ); | |
| 736 | + } | |
| 737 | + | |
| 738 | + /** | |
| 739 | + * Show avatars on Activities if set. | |
| 740 | + * | |
| 741 | + * @param array $types List of avatar enabled comment types. | |
| 742 | + * | |
| 743 | + * @return array show avatars on Activities | |
| 744 | + */ | |
| 745 | + public static function get_avatar_comment_types( $types ) { | |
| 746 | + $comment_types = self::get_comment_type_slugs(); | |
| 747 | + $types = array_merge( $types, $comment_types ); | |
| 748 | + | |
| 749 | + return array_unique( $types ); | |
| 750 | + } | |
| 751 | + | |
| 752 | + /** | |
| 753 | + * Excludes likes and reposts from comment queries. | |
| 754 | + * | |
| 755 | + * @author Jan Boddez | |
| 756 | + * | |
| 757 | + * @see https://github.com/janboddez/indieblocks/blob/a2d59de358031056a649ee47a1332ce9e39d4ce2/includes/functions.php#L423-L432 | |
| 758 | + * | |
| 759 | + * @param \WP_Comment_Query $query Comment count. | |
| 760 | + */ | |
| 761 | + public static function comment_query( $query ) { | |
| 762 | + if ( ! $query instanceof \WP_Comment_Query ) { | |
| 763 | + return; | |
| 764 | + } | |
| 765 | + | |
| 766 | + // Do not exclude likes and reposts on ActivityPub requests. | |
| 767 | + if ( defined( 'ACTIVITYPUB_REQUEST' ) && ACTIVITYPUB_REQUEST ) { | |
| 768 | + return; | |
| 769 | + } | |
| 770 | + | |
| 771 | + // Do not exclude likes and reposts on REST requests (handled by rest_comment_query). | |
| 772 | + if ( \wp_is_serving_rest_request() ) { | |
| 773 | + return; | |
| 774 | + } | |
| 775 | + | |
| 776 | + // Filter post types for admin requests. | |
| 777 | + if ( \is_admin() ) { | |
| 778 | + $query->query_vars['post_type'] = self::get_allowed_comment_post_types(); | |
| 779 | + return; | |
| 780 | + } | |
| 781 | + | |
| 782 | + // Do not exclude likes and reposts on non-singular pages. | |
| 783 | + if ( ! \is_singular() ) { | |
| 784 | + return; | |
| 785 | + } | |
| 786 | + | |
| 787 | + // Do not exclude likes and reposts if the query is for specific types. | |
| 788 | + if ( ! empty( $query->query_vars['type__in'] ) || ! empty( $query->query_vars['type'] ) ) { | |
| 789 | + return; | |
| 790 | + } | |
| 791 | + | |
| 792 | + // Do not exclude likes and reposts if the query is already excluding other comment types. | |
| 793 | + if ( ! empty( $query->query_vars['type__not_in'] ) ) { | |
| 794 | + return; | |
| 795 | + } | |
| 796 | + | |
| 797 | + // Exclude likes and reposts by the ActivityPub plugin. | |
| 798 | + $query->query_vars['type__not_in'] = self::get_comment_type_slugs(); | |
| 799 | + } | |
| 800 | + | |
| 801 | + /** | |
| 802 | + * Filters comments in REST API requests. | |
| 803 | + * | |
| 804 | + * Excludes comments on ActivityPub post types and ActivityPub comment | |
| 805 | + * types (likes, reposts) from the REST API. | |
| 806 | + * | |
| 807 | + * @param array $prepared_args Array of arguments for WP_Comment_Query. | |
| 808 | + * | |
| 809 | + * @return array Modified array of arguments. | |
| 810 | + */ | |
| 811 | + public static function rest_comment_query( $prepared_args ) { | |
| 812 | + // Exclude comments on ActivityPub post types. | |
| 813 | + $prepared_args['post_type'] = self::get_allowed_comment_post_types(); | |
| 814 | + | |
| 815 | + // Exclude ActivityPub comment types (likes, reposts) unless explicitly requested. | |
| 816 | + if ( empty( $prepared_args['type'] ) && empty( $prepared_args['type__in'] ) ) { | |
| 817 | + $prepared_args['type__not_in'] = self::get_comment_type_slugs(); | |
| 818 | + } | |
| 819 | + | |
| 820 | + return $prepared_args; | |
| 821 | + } | |
| 822 | + | |
| 823 | + /** | |
| 824 | + * Returns post types that should show comments (excluding hidden post types). | |
| 825 | + * | |
| 826 | + * @return array Array of post type names. | |
| 827 | + */ | |
| 828 | + private static function get_allowed_comment_post_types() { | |
| 829 | + $hide_for = self::hide_for(); | |
| 830 | + | |
| 831 | + if ( empty( $hide_for ) ) { | |
| 832 | + return \get_post_types_by_support( 'comments' ); | |
| 833 | + } | |
| 834 | + | |
| 835 | + return \array_diff( \get_post_types_by_support( 'comments' ), $hide_for ); | |
| 836 | + } | |
| 837 | + | |
| 838 | + /** | |
| 839 | + * Filter the comment status before it is set. | |
| 840 | + * | |
| 841 | + * @param int|string|\WP_Error $approved The approved comment status. | |
| 842 | + * @param array $comment_data The comment data. | |
| 843 | + * | |
| 844 | + * @return int|string|\WP_Error The approval status. 1, 0, 'spam', 'trash', or WP_Error. | |
| 845 | + */ | |
| 846 | + public static function pre_comment_approved( $approved, $comment_data ) { | |
| 847 | + /* | |
| 848 | + * Only return early for already-approved comments, trash, or errors. | |
| 849 | + * Don't short-circuit on 'spam' - we may want to override Akismet. | |
| 850 | + * Respect 'trash' since it comes from the WordPress disallowed list. | |
| 851 | + */ | |
| 852 | + if ( 1 === $approved || '1' === $approved || 'trash' === $approved || \is_wp_error( $approved ) ) { | |
| 853 | + return $approved; | |
| 854 | + } | |
| 855 | + | |
| 856 | + // Maybe auto-approve likes and reposts. | |
| 857 | + if ( | |
| 858 | + \in_array( $comment_data['comment_type'], self::get_comment_type_slugs(), true ) && | |
| 859 | + '1' === \get_option( 'activitypub_auto_approve_reactions' ) | |
| 860 | + ) { | |
| 861 | + return 1; | |
| 862 | + } | |
| 863 | + | |
| 864 | + if ( '1' !== \get_option( 'comment_previously_approved' ) ) { | |
| 865 | + return $approved; | |
| 866 | + } | |
| 867 | + | |
| 868 | + if ( | |
| 869 | + empty( $comment_data['comment_meta']['protocol'] ) || | |
| 870 | + 'activitypub' !== $comment_data['comment_meta']['protocol'] | |
| 871 | + ) { | |
| 872 | + return $approved; | |
| 873 | + } | |
| 874 | + | |
| 875 | + global $wpdb; | |
| 876 | + | |
| 877 | + $author = $comment_data['comment_author']; | |
| 878 | + $author_url = $comment_data['comment_author_url']; | |
| 879 | + // phpcs:ignore | |
| 880 | + $ok_to_comment = $wpdb->get_var( $wpdb->prepare( "SELECT comment_approved FROM $wpdb->comments WHERE comment_author = %s AND comment_author_url = %s and comment_approved = '1' LIMIT 1", $author, $author_url ) ); | |
| 881 | + | |
| 882 | + if ( 1 === (int) $ok_to_comment ) { | |
| 883 | + return 1; | |
| 884 | + } | |
| 885 | + | |
| 886 | + $post_id = $comment_data['comment_post_ID']; | |
| 887 | + $post = \get_post( $post_id ); | |
| 888 | + | |
| 889 | + if ( $post && in_array( $post->post_type, self::hide_for(), true ) ) { | |
| 890 | + return 1; | |
| 891 | + } | |
| 892 | + | |
| 893 | + return $approved; | |
| 894 | + } | |
| 895 | + | |
| 896 | + /** | |
| 897 | + * Update comment counts when interaction settings are disabled. | |
| 898 | + * | |
| 899 | + * Triggers a recount when likes or reposts are disabled to ensure accurate comment counts. | |
| 900 | + * | |
| 901 | + * @param mixed $old_value The old option value. | |
| 902 | + * @param mixed $value The new option value. | |
| 903 | + */ | |
| 904 | + public static function maybe_update_comment_counts( $old_value, $value ) { | |
| 905 | + if ( '1' === $old_value && '1' !== $value ) { | |
| 906 | + Migration::update_comment_counts(); | |
| 907 | + } | |
| 908 | + } | |
| 909 | + | |
| 910 | + /** | |
| 911 | + * Filters the comment count to exclude ActivityPub comment types. | |
| 912 | + * | |
| 913 | + * @param int|null $new_count The new comment count. Default null. | |
| 914 | + * @param int $old_count The old comment count. | |
| 915 | + * @param int $post_id Post ID. | |
| 916 | + * | |
| 917 | + * @return int|null The updated comment count, or null to use the default query. | |
| 918 | + */ | |
| 919 | + public static function pre_wp_update_comment_count_now( $new_count, $old_count, $post_id ) { | |
| 920 | + if ( null === $new_count ) { | |
| 921 | + $excluded_types = array_filter( self::get_comment_type_slugs(), array( self::class, 'is_comment_type_enabled' ) ); | |
| 922 | + | |
| 923 | + if ( ! empty( $excluded_types ) ) { | |
| 924 | + /* | |
| 925 | + * Include 'note' type when Gutenberg's filter is registered, so a | |
| 926 | + * single query excludes both ActivityPub and Gutenberg types. | |
| 927 | + */ | |
| 928 | + if ( \has_filter( 'pre_wp_update_comment_count_now', 'gutenberg_exclude_notes_from_comment_count' ) ) { | |
| 929 | + $excluded_types[] = 'note'; | |
| 930 | + } | |
| 931 | + | |
| 932 | + /** | |
| 933 | + * Filters the comment types excluded from the comment count. | |
| 934 | + * | |
| 935 | + * Runs at priority 5 on `pre_wp_update_comment_count_now` so that | |
| 936 | + * a single query can exclude types from multiple plugins. Other | |
| 937 | + * plugins can hook here to add their own comment types. | |
| 938 | + * | |
| 939 | + * @since 8.0.0 | |
| 940 | + * | |
| 941 | + * @param string[] $excluded_types The comment type slugs to exclude. | |
| 942 | + * @param int $post_id The post ID. | |
| 943 | + */ | |
| 944 | + $excluded_types = \apply_filters( 'activitypub_excluded_comment_types', $excluded_types, $post_id ); | |
| 945 | + $excluded_types = array_unique( array_filter( $excluded_types ) ); | |
| 946 | + | |
| 947 | + global $wpdb; | |
| 948 | + | |
| 949 | + // phpcs:ignore WordPress.DB | |
| 950 | + $new_count = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' AND comment_type NOT IN ('" . implode( "','", $excluded_types ) . "')", $post_id ) ); | |
| 951 | + } | |
| 952 | + } | |
| 953 | + | |
| 954 | + return $new_count; | |
| 955 | + } | |
| 956 | + | |
| 957 | + /** | |
| 958 | + * Check if a comment type is enabled. | |
| 959 | + * | |
| 960 | + * @param string $comment_type The comment type. | |
| 961 | + * @return bool True if the comment type is enabled. | |
| 962 | + */ | |
| 963 | + public static function is_comment_type_enabled( $comment_type ) { | |
| 964 | + return '1' === get_option( "activitypub_allow_{$comment_type}s", '1' ); | |
| 965 | + } | |
| 966 | + | |
| 967 | + /** | |
| 968 | + * Get post types to hide comments for in admin. | |
| 969 | + * | |
| 970 | + * These are non-public post types whose comments should not appear | |
| 971 | + * in the main comments list in the WordPress admin. | |
| 972 | + * | |
| 973 | + * @return string[] Array of post type names to hide comments for. | |
| 974 | + */ | |
| 975 | + public static function hide_for() { | |
| 976 | + $post_types = array( Posts::POST_TYPE ); | |
| 977 | + | |
| 978 | + /** | |
| 979 | + * Filters the list of post types to hide comments for. | |
| 980 | + * | |
| 981 | + * @param string[] $post_types Array of post type names to hide comments for. | |
| 982 | + */ | |
| 983 | + return \apply_filters( 'activitypub_hide_comments_for', $post_types ); | |
| 984 | + } | |
| 985 | + | |
| 986 | + /** | |
| 987 | + * Render emoji in comment author name. | |
| 988 | + * | |
| 989 | + * Replaces emoji shortcodes with img tags on the get_comment_author filter. | |
| 990 | + * Emoji data is retrieved from the linked remote actor. | |
| 991 | + * | |
| 992 | + * @param string $author The comment author name. | |
| 993 | + * @param string $comment_id The comment ID as a numeric string. | |
| 994 | + * | |
| 995 | + * @return string The comment author name with rendered emoji. | |
| 996 | + */ | |
| 997 | + public static function render_emoji( $author, $comment_id ) { | |
| 998 | + $remote_actor_id = \get_comment_meta( $comment_id, '_activitypub_remote_actor_id', true ); | |
| 999 | + | |
| 1000 | + if ( empty( $remote_actor_id ) ) { | |
| 1001 | + return $author; | |
| 1002 | + } | |
| 1003 | + | |
| 1004 | + $emoji_data = \get_post_meta( $remote_actor_id, '_activitypub_emoji', true ); | |
| 1005 | + | |
| 1006 | + if ( empty( $emoji_data ) ) { | |
| 1007 | + return $author; | |
| 1008 | + } | |
| 1009 | + | |
| 1010 | + return Emoji::replace_from_json( $author, $emoji_data ); | |
| 1011 | + } | |
| 1012 | + | |
| 1013 | + /** | |
| 1014 | + * Selectively unescape emoji images in comment author. | |
| 1015 | + * | |
| 1016 | + * This runs at priority 20 after WordPress's esc_html() filter on comment_author. | |
| 1017 | + * | |
| 1018 | + * @param string $author The comment author name (already escaped by WordPress). | |
| 1019 | + * | |
| 1020 | + * @return string The comment author name with emoji images unescaped. | |
| 1021 | + */ | |
| 1022 | + public static function unescape_emoji( $author ) { | |
| 1023 | + // Only attempt to unescape if there are emoji images present in the escaped string. | |
| 1024 | + if ( false === \strpos( $author, 'class="emoji"' ) ) { | |
| 1025 | + return $author; | |
| 1026 | + } | |
| 1027 | + | |
| 1028 | + // Decode entities so we can selectively restore emoji <img> tags. | |
| 1029 | + $decoded = \html_entity_decode( $author, ENT_QUOTES | ENT_HTML5, 'UTF-8' ); | |
| 1030 | + | |
| 1031 | + // Use strict KSES validation to only allow valid emoji img tags. | |
| 1032 | + return \wp_kses( $decoded, Emoji::get_kses_allowed_html() ); | |
| 337 | 1033 | } |
| 338 | 1034 | } |
