| 1 |
<?php |
| 2 |
/** |
| 3 |
* Blocks file. |
| 4 |
* |
| 5 |
* @package Activitypub |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace Activitypub; |
| 9 |
|
| 10 |
use Activitypub\Cache\Stats_Image; |
| 11 |
use Activitypub\Collection\Actors; |
| 12 |
use Activitypub\Collection\Followers; |
| 13 |
use Activitypub\Collection\Following; |
| 14 |
use Activitypub\Collection\Remote_Actors; |
| 15 |
|
| 16 |
/** |
| 17 |
* Block class. |
| 18 |
*/ |
| 19 |
class Blocks { |
| 20 |
|
| 21 |
/** |
| 22 |
* HTML tags to skip during block conversion. |
| 23 |
* |
| 24 |
* @var array<string> |
| 25 |
*/ |
| 26 |
const SKIP_TAGS = array( 'BR', 'CITE', 'SOURCE' ); |
| 27 |
|
| 28 |
/** |
| 29 |
* HTML void elements that have no closing tag. |
| 30 |
* |
| 31 |
* @var array<string> |
| 32 |
*/ |
| 33 |
const VOID_TAGS = array( 'AREA', 'BASE', 'BR', 'COL', 'EMBED', 'HR', 'IMG', 'INPUT', 'LINK', 'META', 'SOURCE', 'TRACK', 'WBR' ); |
| 34 |
|
| 35 |
/** |
| 36 |
* Map of HTML tag names to WordPress block types. |
| 37 |
* |
| 38 |
* @var array<string, string> |
| 39 |
*/ |
| 40 |
const BLOCK_MAP = array( |
| 41 |
'UL' => 'list', |
| 42 |
'OL' => 'list', |
| 43 |
'IMG' => 'image', |
| 44 |
'BLOCKQUOTE' => 'quote', |
| 45 |
'H1' => 'heading', |
| 46 |
'H2' => 'heading', |
| 47 |
'H3' => 'heading', |
| 48 |
'H4' => 'heading', |
| 49 |
'H5' => 'heading', |
| 50 |
'H6' => 'heading', |
| 51 |
'P' => 'paragraph', |
| 52 |
'A' => 'paragraph', |
| 53 |
'ABBR' => 'paragraph', |
| 54 |
'B' => 'paragraph', |
| 55 |
'CODE' => 'paragraph', |
| 56 |
'EM' => 'paragraph', |
| 57 |
'I' => 'paragraph', |
| 58 |
'STRONG' => 'paragraph', |
| 59 |
'SUB' => 'paragraph', |
| 60 |
'SUP' => 'paragraph', |
| 61 |
'SPAN' => 'paragraph', |
| 62 |
'U' => 'paragraph', |
| 63 |
'FIGURE' => 'image', |
| 64 |
'HR' => 'separator', |
| 65 |
); |
| 66 |
|
| 67 |
/** |
| 68 |
* Initialize the class, registering WordPress hooks. |
| 69 |
*/ |
| 70 |
public static function init() { |
| 71 |
// This is already being called on the init hook, so just add it. |
| 72 |
self::register_blocks(); |
| 73 |
self::register_patterns(); |
| 74 |
self::register_templates(); |
| 75 |
|
| 76 |
\add_action( 'pre_get_posts', array( self::class, 'filter_query_loop_vars' ) ); |
| 77 |
|
| 78 |
\add_action( 'load-post-new.php', array( self::class, 'handle_in_reply_to_get_param' ) ); |
| 79 |
// Add editor plugin. |
| 80 |
\add_action( 'enqueue_block_editor_assets', array( self::class, 'enqueue_editor_assets' ) ); |
| 81 |
\add_action( 'rest_api_init', array( self::class, 'register_rest_fields' ) ); |
| 82 |
|
| 83 |
\add_filter( 'activitypub_import_mastodon_post_data', array( self::class, 'filter_import_mastodon_post_data' ), 10, 2 ); |
| 84 |
\add_filter( 'activitypub_attachments', array( self::class, 'add_stats_image_attachment' ), 10, 2 ); |
| 85 |
|
| 86 |
\add_action( 'activitypub_before_get_content', array( self::class, 'add_post_transformation_callbacks' ) ); |
| 87 |
\add_filter( 'activitypub_the_content', array( self::class, 'remove_post_transformation_callbacks' ) ); |
| 88 |
} |
| 89 |
|
| 90 |
/** |
| 91 |
* Enqueue the block editor assets. |
| 92 |
*/ |
| 93 |
public static function enqueue_editor_assets() { |
| 94 |
$data = array( |
| 95 |
'namespace' => ACTIVITYPUB_REST_NAMESPACE, |
| 96 |
'defaultAvatarUrl' => ACTIVITYPUB_PLUGIN_URL . 'assets/img/mp.jpg', |
| 97 |
'enabled' => array( |
| 98 |
'blog' => ! is_user_type_disabled( 'blog' ), |
| 99 |
'users' => ! is_user_type_disabled( 'user' ), |
| 100 |
), |
| 101 |
'profileUrls' => array( |
| 102 |
'user' => \admin_url( 'profile.php#activitypub' ), |
| 103 |
'blog' => \admin_url( 'options-general.php?page=activitypub&tab=blog-profile' ), |
| 104 |
), |
| 105 |
'showAvatars' => (bool) \get_option( 'show_avatars' ), |
| 106 |
'defaultQuotePolicy' => \get_option( 'activitypub_default_quote_policy', ACTIVITYPUB_INTERACTION_POLICY_ANYONE ), |
| 107 |
'objectType' => \get_option( 'activitypub_object_type', ACTIVITYPUB_DEFAULT_OBJECT_TYPE ), |
| 108 |
'noteLength' => ACTIVITYPUB_NOTE_LENGTH, |
| 109 |
'statsImageUrlEndpoint' => Stats_Image::is_available() ? \get_rest_url( null, ACTIVITYPUB_REST_NAMESPACE . '/stats/image-url/{user_id}/{year}' ) : '', |
| 110 |
); |
| 111 |
\wp_localize_script( 'wp-editor', '_activityPubOptions', $data ); |
| 112 |
|
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// Check for our supported post types. |
| 114 |
$current_screen = \get_current_screen(); |
| 115 |
$ap_post_types = \get_post_types_by_support( 'activitypub' ); |
| 116 |
if ( ! $current_screen || ! \in_array( $current_screen->post_type, $ap_post_types, true ) ) { |
| 117 |
return; |
| 118 |
} |
| 119 |
|
| 120 |
$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/editor-plugin/plugin.asset.php'; |
| 121 |
$plugin_url = \plugins_url( 'build/editor-plugin/plugin.js', ACTIVITYPUB_PLUGIN_FILE ); |
| 122 |
\wp_enqueue_script( 'activitypub-block-editor', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true ); |
| 123 |
|
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$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/pre-publish-panel/plugin.asset.php'; |
| 125 |
$plugin_url = \plugins_url( 'build/pre-publish-panel/plugin.js', ACTIVITYPUB_PLUGIN_FILE ); |
| 126 |
\wp_enqueue_script( 'activitypub-pre-publish-panel', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true ); |
| 127 |
} |
| 128 |
|
| 129 |
/** |
| 130 |
* Enqueue the reply handle script if the in_reply_to GET param is set. |
| 131 |
*/ |
| 132 |
public static function handle_in_reply_to_get_param() { |
| 133 |
// Only load the script if the in_reply_to GET param is set, action happens there, not here. |
| 134 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 135 |
if ( ! isset( $_GET['in_reply_to'] ) ) { |
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return; |
| 137 |
} |
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|
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$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/reply-intent/plugin.asset.php'; |
| 140 |
$plugin_url = \plugins_url( 'build/reply-intent/plugin.js', ACTIVITYPUB_PLUGIN_FILE ); |
| 141 |
\wp_enqueue_script( 'activitypub-reply-intent', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true ); |
| 142 |
} |
| 143 |
|
| 144 |
/** |
| 145 |
* Register the blocks. |
| 146 |
*/ |
| 147 |
public static function register_blocks() { |
| 148 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/extra-fields' ); |
| 149 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/follow-me' ); |
| 150 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/followers' ); |
| 151 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/posts-and-replies' ); |
| 152 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/stats' ); |
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|
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// Only register the Following block if the Following feature is enabled. |
| 155 |
if ( '1' === \get_option( 'activitypub_following_ui', '0' ) ) { |
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\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/following' ); |
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} |
| 158 |
// Register reactions block, conditionally removing facepile style if avatars are disabled. |
| 159 |
$reactions_args = array(); |
| 160 |
if ( ! \get_option( 'show_avatars', true ) ) { |
| 161 |
$reactions_args['styles'] = array(); |
| 162 |
} |
| 163 |
\register_block_type_from_metadata( ACTIVITYPUB_PLUGIN_DIR . '/build/reactions', $reactions_args ); |
| 164 |
|
| 165 |
\register_block_type_from_metadata( |
| 166 |
ACTIVITYPUB_PLUGIN_DIR . '/build/reply', |
| 167 |
array( |
| 168 |
'render_callback' => array( self::class, 'render_reply_block' ), |
| 169 |
) |
| 170 |
); |
| 171 |
|
| 172 |
// Register remote media blocks (server-side only, no editor UI). |
| 173 |
\register_block_type( |
| 174 |
'activitypub/emoji', |
| 175 |
array( |
| 176 |
'attributes' => array( |
| 177 |
'url' => array( 'type' => 'string' ), |
| 178 |
'updated' => array( 'type' => 'string' ), |
| 179 |
), |
| 180 |
'render_callback' => array( self::class, 'render_emoji_block' ), |
| 181 |
) |
| 182 |
); |
| 183 |
|
| 184 |
\register_block_type( |
| 185 |
'activitypub/image', |
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array( |
| 187 |
'attributes' => array( |
| 188 |
'url' => array( 'type' => 'string' ), |
| 189 |
), |
| 190 |
'render_callback' => array( self::class, 'render_image_block' ), |
| 191 |
) |
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); |
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|
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\register_block_type( |
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'activitypub/audio', |
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array( |
| 197 |
'attributes' => array( |
| 198 |
'url' => array( 'type' => 'string' ), |
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), |
| 200 |
'render_callback' => array( self::class, 'render_audio_block' ), |
| 201 |
) |
| 202 |
); |
| 203 |
|
| 204 |
\register_block_type( |
| 205 |
'activitypub/video', |
| 206 |
array( |
| 207 |
'attributes' => array( |
| 208 |
'url' => array( 'type' => 'string' ), |
| 209 |
), |
| 210 |
'render_callback' => array( self::class, 'render_video_block' ), |
| 211 |
) |
| 212 |
); |
| 213 |
} |
| 214 |
|
| 215 |
/** |
| 216 |
* Register block patterns for ActivityPub. |
| 217 |
*/ |
| 218 |
public static function register_patterns() { |
| 219 |
// Register the ActivityPub pattern category. |
| 220 |
\register_block_pattern_category( |
| 221 |
'activitypub', |
| 222 |
array( |
| 223 |
'label' => \__( 'Fediverse', 'activitypub' ), |
| 224 |
) |
| 225 |
); |
| 226 |
|
| 227 |
// Register each pattern. |
| 228 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/author-header.php'; |
| 229 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/author-profile.php'; |
| 230 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/follow-page.php'; |
| 231 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/profile-page.php'; |
| 232 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/social-sidebar.php'; |
| 233 |
|
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// Only register the Following page pattern if the Following feature is enabled. |
| 235 |
if ( '1' === \get_option( 'activitypub_following_ui', '0' ) ) { |
| 236 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/following-page.php'; |
| 237 |
} |
| 238 |
|
| 239 |
// Only register the Stats post starter pattern in December and January. |
| 240 |
$month = (int) \gmdate( 'n' ); |
| 241 |
if ( 12 === $month || 1 === $month ) { |
| 242 |
require ACTIVITYPUB_PLUGIN_DIR . '/patterns/stats-post.php'; |
| 243 |
} |
| 244 |
} |
| 245 |
|
| 246 |
/** |
| 247 |
* Register FSE templates for block themes. |
| 248 |
*/ |
| 249 |
public static function register_templates() { |
| 250 |
// Only register templates for block themes on WP 6.7+. |
| 251 |
if ( ! \function_exists( 'register_block_template' ) || ! \wp_is_block_theme() ) { |
| 252 |
return; |
| 253 |
} |
| 254 |
|
| 255 |
// Use the core `author` hierarchy slug so WP can resolve this for author archives. |
| 256 |
\register_block_template( |
| 257 |
'activitypub//author', |
| 258 |
array( |
| 259 |
'title' => \__( 'Author Archive (Fediverse)', 'activitypub' ), |
| 260 |
'description' => \__( 'Displays an author archive with Fediverse profile and follow options.', 'activitypub' ), |
| 261 |
'content' => '<!-- wp:template-part {"slug":"header","tagName":"header"} /--> |
| 262 |
<!-- wp:group {"tagName":"main","layout":{"type":"constrained"}} --> |
| 263 |
<main class="wp-block-group"> |
| 264 |
<!-- wp:pattern {"slug":"activitypub/author-profile"} /--> |
| 265 |
<!-- wp:spacer {"height":"32px"} --> |
| 266 |
<div style="height:32px" aria-hidden="true" class="wp-block-spacer"></div> |
| 267 |
<!-- /wp:spacer --> |
| 268 |
<!-- wp:activitypub/posts-and-replies /--> |
| 269 |
<!-- wp:query {"queryId":0,"query":{"perPage":10,"pages":0,"offset":0,"postType":"post","order":"desc","orderBy":"date","author":"","search":"","exclude":[],"sticky":"","inherit":true}} --> |
| 270 |
<div class="wp-block-query"> |
| 271 |
<!-- wp:post-template --> |
| 272 |
<!-- wp:post-title {"isLink":true} /--> |
| 273 |
<!-- wp:post-excerpt /--> |
| 274 |
<!-- /wp:post-template --> |
| 275 |
<!-- wp:query-pagination --> |
| 276 |
<!-- wp:query-pagination-previous /--> |
| 277 |
<!-- wp:query-pagination-numbers /--> |
| 278 |
<!-- wp:query-pagination-next /--> |
| 279 |
<!-- /wp:query-pagination --> |
| 280 |
</div> |
| 281 |
<!-- /wp:query --> |
| 282 |
</main> |
| 283 |
<!-- /wp:group --> |
| 284 |
<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->', |
| 285 |
'post_types' => array(), |
| 286 |
) |
| 287 |
); |
| 288 |
} |
| 289 |
|
| 290 |
/** |
| 291 |
* Register REST fields needed for blocks. |
| 292 |
*/ |
| 293 |
public static function register_rest_fields() { |
| 294 |
// Register the post_count field for Follow Me block. |
| 295 |
\register_rest_field( |
| 296 |
'user', |
| 297 |
'post_count', |
| 298 |
array( |
| 299 |
/** |
| 300 |
* Get the number of published posts. |
| 301 |
* |
| 302 |
* @param array $response Prepared response array. |
| 303 |
* @param string $field_name The field name. |
| 304 |
* @param \WP_REST_Request $request The request object. |
| 305 |
* @return int The number of published posts. |
| 306 |
*/ |
| 307 |
'get_callback' => static function ( $response, $field_name, $request ) { |
| 308 |
return (int) \count_user_posts( $request->get_param( 'id' ), 'post', true ); |
| 309 |
}, |
| 310 |
'schema' => array( |
| 311 |
'description' => 'Number of published posts', |
| 312 |
'type' => 'integer', |
| 313 |
'context' => array( 'activitypub' ), |
| 314 |
), |
| 315 |
) |
| 316 |
); |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Get the user ID from a user string. |
| 321 |
* |
| 322 |
* @param string $user_string The user string. Can be a user ID, 'blog', or 'inherit'. |
| 323 |
* @return int|null The user ID, or null if the 'inherit' string is not supported in this context. |
| 324 |
*/ |
| 325 |
public static function get_user_id( $user_string ) { |
| 326 |
if ( \is_numeric( $user_string ) ) { |
| 327 |
return \absint( $user_string ); |
| 328 |
} |
| 329 |
|
| 330 |
// If the user string is 'blog', return the Blog User ID. |
| 331 |
if ( 'blog' === $user_string ) { |
| 332 |
return Actors::BLOG_USER_ID; |
| 333 |
} |
| 334 |
|
| 335 |
// The only other value should be 'inherit', which means to use the query context to determine the User. |
| 336 |
if ( 'inherit' !== $user_string ) { |
| 337 |
return null; |
| 338 |
} |
| 339 |
|
| 340 |
// For a homepage/front page, if the Blog User is active, use it. |
| 341 |
if ( ( \is_front_page() || \is_home() ) && ! is_user_type_disabled( 'blog' ) ) { |
| 342 |
return Actors::BLOG_USER_ID; |
| 343 |
} |
| 344 |
|
| 345 |
// If we're in a loop, use the post author. |
| 346 |
$author_id = \get_the_author_meta( 'ID' ); |
| 347 |
if ( $author_id ) { |
| 348 |
return $author_id; |
| 349 |
} |
| 350 |
|
| 351 |
// For other pages, the queried object will clue us in. |
| 352 |
$queried_object = \get_queried_object(); |
| 353 |
if ( ! $queried_object ) { |
| 354 |
return null; |
| 355 |
} |
| 356 |
|
| 357 |
// If we're on a user archive page, use that user's ID. |
| 358 |
if ( \is_a( $queried_object, 'WP_User' ) ) { |
| 359 |
return $queried_object->ID; |
| 360 |
} |
| 361 |
|
| 362 |
// For a single post, use the post author's ID. |
| 363 |
if ( \is_a( $queried_object, 'WP_Post' ) ) { |
| 364 |
return \get_the_author_meta( 'ID' ); |
| 365 |
} |
| 366 |
|
| 367 |
// We won't properly account for some conditions, like tag archives. |
| 368 |
return null; |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* Render an actor list block (followers or following). |
| 373 |
* |
| 374 |
* @param string $endpoint The endpoint type ('followers' or 'following'). |
| 375 |
* @param array $attributes Block attributes. |
| 376 |
* @param \WP_Block $block Block instance. |
| 377 |
* @param string $content Block content. |
| 378 |
* |
| 379 |
* @return string|void The HTML to render, or void to render nothing. |
| 380 |
*/ |
| 381 |
public static function render_actor_list_block( $endpoint, $attributes, $block, $content ) { |
| 382 |
if ( is_activitypub_request() || \is_feed() ) { |
| 383 |
return ''; |
| 384 |
} |
| 385 |
|
| 386 |
$attributes = \wp_parse_args( $attributes ); |
| 387 |
$block_name = 'followers' === $endpoint ? \__( 'Followers', 'activitypub' ) : \__( 'Following', 'activitypub' ); |
| 388 |
|
| 389 |
if ( empty( $content ) ) { |
| 390 |
// Fallback for v1.0.0 blocks. |
| 391 |
/* translators: %s: Block type (Followers or Following) */ |
| 392 |
$_title = $attributes['title'] ?? \sprintf( \__( 'Fediverse %s', 'activitypub' ), $block_name ); |
| 393 |
$content = '<h3 class="wp-block-heading">' . \esc_html( $_title ) . '</h3>'; |
| 394 |
unset( $attributes['title'], $attributes['className'] ); |
| 395 |
} else { |
| 396 |
$content = \implode( PHP_EOL, \wp_list_pluck( $block->parsed_block['innerBlocks'], 'innerHTML' ) ); |
| 397 |
// Hide empty headings. |
| 398 |
if ( empty( \wp_strip_all_tags( $content ) ) ) { |
| 399 |
$content = ''; |
| 400 |
} |
| 401 |
} |
| 402 |
|
| 403 |
$user_id = self::get_user_id( $attributes['selectedUser'] ); |
| 404 |
if ( \is_null( $user_id ) ) { |
| 405 |
/* translators: %s: Block type (Followers or Following) */ |
| 406 |
return \sprintf( '<!-- %s block: `inherit` mode does not display on this type of page -->', $block_name ); |
| 407 |
} |
| 408 |
|
| 409 |
$user = Actors::get_by_id( $user_id ); |
| 410 |
if ( \is_wp_error( $user ) ) { |
| 411 |
/* translators: 1: Block type (Followers or Following), 2: User ID */ |
| 412 |
return \sprintf( '<!-- %1$s block: `%2$s` not an active ActivityPub user -->', $block_name, $user_id ); |
| 413 |
} |
| 414 |
|
| 415 |
if ( ! Actors::show_social_graph( $user_id ) ) { |
| 416 |
/* translators: %s: Block type (Followers or Following) */ |
| 417 |
return \sprintf( '<!-- %s block: social graph is hidden for this user -->', $block_name ); |
| 418 |
} |
| 419 |
|
| 420 |
$_per_page = \max( 1, \absint( $attributes['per_page'] ) ); |
| 421 |
$_show_avatars = (bool) \get_option( 'show_avatars' ); |
| 422 |
|
| 423 |
// Query the appropriate collection. |
| 424 |
if ( 'followers' === $endpoint ) { |
| 425 |
$data = Followers::query( $user_id, $_per_page ); |
| 426 |
$items = $data['followers']; |
| 427 |
} else { |
| 428 |
$data = Following::query( $user_id, $_per_page ); |
| 429 |
$items = $data['following']; |
| 430 |
} |
| 431 |
|
| 432 |
// Prepare items data for the Interactivity API context. |
| 433 |
$prepared_items = \array_map( |
| 434 |
static function ( $item ) { |
| 435 |
$actor = Remote_Actors::get_actor( $item ); |
| 436 |
|
| 437 |
// Restrict URLs to http/https schemes to prevent XSS via javascript: URIs. |
| 438 |
$url = object_to_uri( $actor->get_url() ) ?: $actor->get_id(); |
| 439 |
|
| 440 |
return array( |
| 441 |
'handle' => '@' . $actor->get_webfinger(), |
| 442 |
'icon' => $actor->get_icon(), |
| 443 |
'name' => $actor->get_name() ?: $actor->get_preferred_username(), |
| 444 |
'url' => \esc_url( $url, array( 'http', 'https' ) ), |
| 445 |
); |
| 446 |
}, |
| 447 |
$items |
| 448 |
); |
| 449 |
|
| 450 |
$store_name = 'activitypub/' . $endpoint; |
| 451 |
|
| 452 |
// Set up the Interactivity API config. |
| 453 |
\wp_interactivity_config( |
| 454 |
$store_name, |
| 455 |
array( |
| 456 |
'defaultAvatarUrl' => ACTIVITYPUB_PLUGIN_URL . 'assets/img/mp.jpg', |
| 457 |
'namespace' => ACTIVITYPUB_REST_NAMESPACE, |
| 458 |
) |
| 459 |
); |
| 460 |
|
| 461 |
// Set initial context data. |
| 462 |
$context = array( |
| 463 |
'items' => $prepared_items, |
| 464 |
'isLoading' => false, |
| 465 |
'order' => $attributes['order'], |
| 466 |
'page' => 1, |
| 467 |
'pages' => \ceil( $data['total'] / $_per_page ), |
| 468 |
'perPage' => $_per_page, |
| 469 |
'total' => $data['total'], |
| 470 |
'userId' => $user_id, |
| 471 |
'endpoint' => $endpoint, |
| 472 |
); |
| 473 |
|
| 474 |
// Get block wrapper attributes with the data-wp-interactive attribute. |
| 475 |
$wrapper_attributes = \get_block_wrapper_attributes( |
| 476 |
array( |
| 477 |
'id' => \wp_unique_id( 'activitypub-' . $endpoint . '-block-' ), |
| 478 |
'data-wp-interactive' => $store_name, |
| 479 |
'data-wp-context' => \wp_json_encode( $context, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP ), |
| 480 |
) |
| 481 |
); |
| 482 |
|
| 483 |
/* translators: %s: Block type (Followers or Following) */ |
| 484 |
$nav_label = \sprintf( \__( '%s navigation', 'activitypub' ), $block_name ); |
| 485 |
|
| 486 |
\ob_start(); |
| 487 |
?> |
| 488 |
<div <?php echo $wrapper_attributes; // phpcs:ignore WordPress.Security.EscapeOutput ?>> |
| 489 |
<?php echo $content; // phpcs:ignore WordPress.Security.EscapeOutput ?> |
| 490 |
|
| 491 |
<?php |
| 492 |
self::render_actor_list( |
| 493 |
array( |
| 494 |
'show_avatars' => $_show_avatars, |
| 495 |
'total' => $data['total'], |
| 496 |
'per_page' => $_per_page, |
| 497 |
'nav_label' => $nav_label, |
| 498 |
) |
| 499 |
); |
| 500 |
?> |
| 501 |
</div> |
| 502 |
<?php |
| 503 |
return \ob_get_clean(); |
| 504 |
} |
| 505 |
|
| 506 |
/** |
| 507 |
* Render the emoji block. |
| 508 |
* |
| 509 |
* Replaces emoji shortcode with cached img tag at runtime. |
| 510 |
* |
| 511 |
* @param array $attrs The block attributes. |
| 512 |
* @param string $content The block inner content (emoji shortcode). |
| 513 |
* |
| 514 |
* @return string The rendered emoji img tag. |
| 515 |
*/ |
| 516 |
public static function render_emoji_block( $attrs, $content ) { |
| 517 |
if ( empty( $attrs['url'] ) || empty( $content ) ) { |
| 518 |
return $content; |
| 519 |
} |
| 520 |
|
| 521 |
$url = $attrs['url']; |
| 522 |
$shortcode = \trim( $content ); |
| 523 |
$name = \trim( $shortcode, ':' ); |
| 524 |
|
| 525 |
/** |
| 526 |
* Filters a remote media URL for caching. |
| 527 |
* |
| 528 |
* @param string $url The remote media URL. |
| 529 |
* @param string $context The context ('emoji'). |
| 530 |
* @param int|null $entity_id The entity ID. |
| 531 |
* @param array $options Additional options. |
| 532 |
*/ |
| 533 |
$cached_url = \apply_filters( |
| 534 |
'activitypub_remote_media_url', |
| 535 |
$url, |
| 536 |
'emoji', |
| 537 |
null, |
| 538 |
array( 'updated' => $attrs['updated'] ?? null ) |
| 539 |
); |
| 540 |
|
| 541 |
return Emoji::get_img_tag( $cached_url ?: $url, $name ); |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Render the image block. |
| 546 |
* |
| 547 |
* Replaces remote image URL with cached URL at runtime. |
| 548 |
* |
| 549 |
* @param array $attrs The block attributes. |
| 550 |
* @param string $content The block inner content (img tag). |
| 551 |
* |
| 552 |
* @return string The rendered content with cached URL. |
| 553 |
*/ |
| 554 |
public static function render_image_block( $attrs, $content ) { |
| 555 |
if ( empty( $attrs['url'] ) || empty( $content ) ) { |
| 556 |
return $content; |
| 557 |
} |
| 558 |
|
| 559 |
$url = $attrs['url']; |
| 560 |
|
| 561 |
// Get entity ID from context. |
| 562 |
$entity_id = null; |
| 563 |
$post = \get_post(); |
| 564 |
if ( $post ) { |
| 565 |
$entity_id = $post->ID; |
| 566 |
} |
| 567 |
|
| 568 |
/** |
| 569 |
* Filters a remote image URL for caching. |
| 570 |
* |
| 571 |
* @param string $url The remote image URL. |
| 572 |
* @param string $context The context ('media'). |
| 573 |
* @param int|null $entity_id The entity ID. |
| 574 |
* @param array $options Additional options. |
| 575 |
*/ |
| 576 |
$cached_url = \apply_filters( 'activitypub_remote_media_url', $url, 'media', $entity_id, array() ); |
| 577 |
|
| 578 |
if ( $cached_url && $cached_url !== $url ) { |
| 579 |
return \str_replace( $url, $cached_url, $content ); |
| 580 |
} |
| 581 |
|
| 582 |
return $content; |
| 583 |
} |
| 584 |
|
| 585 |
/** |
| 586 |
* Render the audio block. |
| 587 |
* |
| 588 |
* Replaces remote audio URL with cached URL at runtime. |
| 589 |
* |
| 590 |
* @param array $attrs The block attributes. |
| 591 |
* @param string $content The block inner content (audio tag). |
| 592 |
* |
| 593 |
* @return string The rendered content with cached URL. |
| 594 |
*/ |
| 595 |
public static function render_audio_block( $attrs, $content ) { |
| 596 |
if ( empty( $attrs['url'] ) || empty( $content ) ) { |
| 597 |
return $content; |
| 598 |
} |
| 599 |
|
| 600 |
$url = $attrs['url']; |
| 601 |
|
| 602 |
// Get entity ID from context. |
| 603 |
$entity_id = null; |
| 604 |
$post = \get_post(); |
| 605 |
if ( $post ) { |
| 606 |
$entity_id = $post->ID; |
| 607 |
} |
| 608 |
|
| 609 |
/** |
| 610 |
* Filters a remote audio URL for caching. |
| 611 |
* |
| 612 |
* @param string $url The remote audio URL. |
| 613 |
* @param string $context The context ('audio'). |
| 614 |
* @param int|null $entity_id The entity ID. |
| 615 |
* @param array $options Additional options. |
| 616 |
*/ |
| 617 |
$cached_url = \apply_filters( 'activitypub_remote_media_url', $url, 'audio', $entity_id, array() ); |
| 618 |
|
| 619 |
if ( $cached_url && $cached_url !== $url ) { |
| 620 |
return \str_replace( $url, $cached_url, $content ); |
| 621 |
} |
| 622 |
|
| 623 |
return $content; |
| 624 |
} |
| 625 |
|
| 626 |
/** |
| 627 |
* Render the video block. |
| 628 |
* |
| 629 |
* Replaces remote video URL with cached URL at runtime. |
| 630 |
* |
| 631 |
* @param array $attrs The block attributes. |
| 632 |
* @param string $content The block inner content (video tag). |
| 633 |
* |
| 634 |
* @return string The rendered content with cached URL. |
| 635 |
*/ |
| 636 |
public static function render_video_block( $attrs, $content ) { |
| 637 |
if ( empty( $attrs['url'] ) || empty( $content ) ) { |
| 638 |
return $content; |
| 639 |
} |
| 640 |
|
| 641 |
$url = $attrs['url']; |
| 642 |
|
| 643 |
// Get entity ID from context. |
| 644 |
$entity_id = null; |
| 645 |
$post = \get_post(); |
| 646 |
if ( $post ) { |
| 647 |
$entity_id = $post->ID; |
| 648 |
} |
| 649 |
|
| 650 |
/** |
| 651 |
* Filters a remote video URL for caching. |
| 652 |
* |
| 653 |
* @param string $url The remote video URL. |
| 654 |
* @param string $context The context ('video'). |
| 655 |
* @param int|null $entity_id The entity ID. |
| 656 |
* @param array $options Additional options. |
| 657 |
*/ |
| 658 |
$cached_url = \apply_filters( 'activitypub_remote_media_url', $url, 'video', $entity_id, array() ); |
| 659 |
|
| 660 |
if ( $cached_url && $cached_url !== $url ) { |
| 661 |
return \str_replace( $url, $cached_url, $content ); |
| 662 |
} |
| 663 |
|
| 664 |
return $content; |
| 665 |
} |
| 666 |
|
| 667 |
/** |
| 668 |
* Render the reply block. |
| 669 |
* |
| 670 |
* @param array $attrs The block attributes. |
| 671 |
* |
| 672 |
* @return string The HTML to render. |
| 673 |
*/ |
| 674 |
public static function render_reply_block( $attrs ) { |
| 675 |
if ( is_activitypub_request() ) { |
| 676 |
$attrs['embedPost'] = false; |
| 677 |
} |
| 678 |
|
| 679 |
// Return early if no URL is provided. |
| 680 |
if ( empty( $attrs['url'] ) ) { |
| 681 |
return null; |
| 682 |
} |
| 683 |
|
| 684 |
/* |
| 685 |
* In feed contexts (RSS, Atom, and anything else WordPress treats as a feed) the styled |
| 686 |
* embed card depends on plugin CSS that isn't loaded, so it degrades to an unreadable |
| 687 |
* wall of text. Substitute the same simplified mention link the federation path uses, |
| 688 |
* and if the remote lookup fails fall through to the plain `<a class="u-in-reply-to">` |
| 689 |
* link below so the feed item still surfaces *some* indication that it's a reply. |
| 690 |
*/ |
| 691 |
if ( \is_feed() ) { |
| 692 |
$mention = self::generate_reply_link( '', array( 'attrs' => $attrs ) ); |
| 693 |
if ( ! empty( $mention ) ) { |
| 694 |
return $mention; |
| 695 |
} |
| 696 |
$attrs['embedPost'] = false; |
| 697 |
} |
| 698 |
|
| 699 |
$show_embed = isset( $attrs['embedPost'] ) && $attrs['embedPost']; |
| 700 |
|
| 701 |
$wrapper_attrs = \get_block_wrapper_attributes( |
| 702 |
array( |
| 703 |
'aria-label' => \__( 'Reply', 'activitypub' ), |
| 704 |
'class' => 'activitypub-reply-block', |
| 705 |
'data-in-reply-to' => $attrs['url'], |
| 706 |
) |
| 707 |
); |
| 708 |
|
| 709 |
$html = '<div ' . $wrapper_attrs . '>'; |
| 710 |
|
| 711 |
// Try to get and append the embed if requested. |
| 712 |
$embed = null; |
| 713 |
if ( $show_embed ) { |
| 714 |
// Use the theme's content width or a reasonable default to avoid narrow embeds. |
| 715 |
$embed_width = ! empty( $GLOBALS['content_width'] ) ? $GLOBALS['content_width'] : 600; |
| 716 |
$embed = \wp_oembed_get( $attrs['url'], array( 'width' => $embed_width ) ); |
| 717 |
if ( $embed ) { |
| 718 |
$html .= $embed; |
| 719 |
\wp_enqueue_script( 'wp-embed' ); |
| 720 |
} |
| 721 |
} |
| 722 |
|
| 723 |
// Show the link if embed is not requested or if embed failed. |
| 724 |
if ( ! $show_embed || ! $embed ) { |
| 725 |
$html .= \sprintf( |
| 726 |
'<p><a title="%2$s" aria-label="%2$s" href="%1$s" class="u-in-reply-to" target="_blank">%3$s</a></p>', |
| 727 |
\esc_url( $attrs['url'] ), |
| 728 |
\esc_attr__( 'This post is a response to the referenced content.', 'activitypub' ), |
| 729 |
// translators: %s is the URL of the post being replied to. |
| 730 |
\sprintf( \__( '↬%s', 'activitypub' ), \str_replace( array( 'https://', 'http://' ), '', \esc_url( $attrs['url'] ) ) ) |
| 731 |
); |
| 732 |
} |
| 733 |
|
| 734 |
$html .= '</div>'; |
| 735 |
|
| 736 |
return $html; |
| 737 |
} |
| 738 |
|
| 739 |
/** |
| 740 |
* Renders a modal component that can be used by different blocks. |
| 741 |
* |
| 742 |
* @param array $args { |
| 743 |
* Arguments for the modal. |
| 744 |
* |
| 745 |
* @type string $content The modal content HTML. |
| 746 |
* @type string $id Optional ID prefix for the modal elements. |
| 747 |
* @type bool $is_compact Whether the modal is compact (popover-style). Default false. |
| 748 |
* @type string $title Static title text for the modal header. |
| 749 |
* @type string $title_binding Optional Interactivity API binding for a dynamic title |
| 750 |
* (e.g. 'context.modal.title'). When set, uses data-wp-text |
| 751 |
* on the title element and enables dynamic compact toggling. |
| 752 |
* } |
| 753 |
*/ |
| 754 |
public static function render_modal( $args = array() ) { |
| 755 |
$defaults = array( |
| 756 |
'content' => '', |
| 757 |
'id' => '', |
| 758 |
'is_compact' => false, |
| 759 |
'title' => '', |
| 760 |
'title_binding' => '', |
| 761 |
); |
| 762 |
|
| 763 |
$args = \wp_parse_args( $args, $defaults ); |
| 764 |
?> |
| 765 |
|
| 766 |
<div |
| 767 |
class="activitypub-modal__overlay<?php echo \esc_attr( $args['is_compact'] ? ' compact' : '' ); ?>" |
| 768 |
data-wp-bind--hidden="!context.modal.isOpen" |
| 769 |
data-wp-watch="callbacks.handleModalEffects" |
| 770 |
<?php if ( ! empty( $args['title_binding'] ) ) : ?> |
| 771 |
data-wp-class--compact="context.modal.isCompact" |
| 772 |
<?php endif; ?> |
| 773 |
role="dialog" |
| 774 |
aria-modal="true" |
| 775 |
hidden |
| 776 |
> |
| 777 |
<div class="activitypub-modal__frame"> |
| 778 |
<?php if ( ! $args['is_compact'] || ! empty( $args['title'] ) || ! empty( $args['title_binding'] ) ) : ?> |
| 779 |
<div class="activitypub-modal__header"> |
| 780 |
<h2 |
| 781 |
class="activitypub-modal__title" |
| 782 |
<?php if ( ! empty( $args['id'] ) ) : ?> |
| 783 |
id="<?php echo \esc_attr( $args['id'] . '-title' ); ?>" |
| 784 |
<?php endif; ?> |
| 785 |
<?php if ( ! empty( $args['title_binding'] ) ) : ?> |
| 786 |
data-wp-text="<?php echo \esc_attr( $args['title_binding'] ); ?>" |
| 787 |
<?php endif; ?> |
| 788 |
><?php echo \esc_html( $args['title'] ); ?></h2> |
| 789 |
<button |
| 790 |
type="button" |
| 791 |
class="activitypub-modal__close wp-element-button" |
| 792 |
data-wp-on--click="actions.closeModal" |
| 793 |
aria-label="<?php echo \esc_attr__( 'Close dialog', 'activitypub' ); ?>" |
| 794 |
> |
| 795 |
<svg fill="currentColor" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"> |
| 796 |
<path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path> |
| 797 |
</svg> |
| 798 |
</button> |
| 799 |
</div> |
| 800 |
<?php endif; ?> |
| 801 |
<div class="activitypub-modal__content"> |
| 802 |
<?php echo $args['content']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?> |
| 803 |
</div> |
| 804 |
</div> |
| 805 |
</div> |
| 806 |
<?php |
| 807 |
} |
| 808 |
|
| 809 |
/** |
| 810 |
* Renders a help section explaining the Fediverse inside modal dialogs. |
| 811 |
* |
| 812 |
* Outputs a collapsible `<details>` element that explains decentralized |
| 813 |
* interactions to users unfamiliar with the Fediverse. |
| 814 |
* |
| 815 |
* @since 8.0.0 |
| 816 |
*/ |
| 817 |
public static function render_modal_help() { |
| 818 |
?> |
| 819 |
<details class="activitypub-dialog__help"> |
| 820 |
<summary><?php \esc_html_e( 'Why do I need to enter my profile?', 'activitypub' ); ?></summary> |
| 821 |
<p> |
| 822 |
<?php \esc_html_e( 'This site is part of the ⁂ open social web, a network of interconnected social platforms (like Mastodon, Pixelfed, Friendica, and others). Unlike centralized social media, your account lives on a platform of your choice, and you can interact with people across different platforms.', 'activitypub' ); ?> |
| 823 |
</p> |
| 824 |
<p> |
| 825 |
<?php \esc_html_e( 'By entering your profile, we can send you to your account where you can complete this action.', 'activitypub' ); ?> |
| 826 |
</p> |
| 827 |
</details> |
| 828 |
<?php |
| 829 |
} |
| 830 |
|
| 831 |
/** |
| 832 |
* Renders an actor list component that can be used by different blocks. |
| 833 |
* |
| 834 |
* @param array $args Arguments for the actor list. |
| 835 |
*/ |
| 836 |
public static function render_actor_list( $args = array() ) { |
| 837 |
$defaults = array( |
| 838 |
'show_avatars' => true, |
| 839 |
'show_pagination' => true, |
| 840 |
'total' => 0, |
| 841 |
'per_page' => 10, |
| 842 |
'nav_label' => \__( 'Actor navigation', 'activitypub' ), |
| 843 |
); |
| 844 |
|
| 845 |
$args = \wp_parse_args( $args, $defaults ); |
| 846 |
|
| 847 |
// Sanitize numeric values, ensuring per_page is at least 1 to avoid division by zero. |
| 848 |
$args['total'] = \absint( $args['total'] ); |
| 849 |
$args['per_page'] = \max( 1, \absint( $args['per_page'] ) ); |
| 850 |
?> |
| 851 |
|
| 852 |
<div class="activitypub-actor-list-container"> |
| 853 |
<ul class="activitypub-actor-list"> |
| 854 |
<template data-wp-each="context.items"> |
| 855 |
<li class="activitypub-actor-item"> |
| 856 |
<a href="#" |
| 857 |
data-wp-bind--href="context.item.url" |
| 858 |
class="activitypub-actor-link" |
| 859 |
target="_blank" |
| 860 |
rel="external noreferrer noopener" |
| 861 |
data-wp-bind--title="context.item.handle"> |
| 862 |
|
| 863 |
<?php if ( $args['show_avatars'] ) : ?> |
| 864 |
<img |
| 865 |
data-wp-bind--src="context.item.icon.url" |
| 866 |
data-wp-on--error="callbacks.setDefaultAvatar" |
| 867 |
src="" |
| 868 |
alt="" |
| 869 |
class="activitypub-actor-avatar" |
| 870 |
width="48" |
| 871 |
height="48" |
| 872 |
> |
| 873 |
<?php endif; ?> |
| 874 |
|
| 875 |
<div class="activitypub-actor-info"> |
| 876 |
<span class="activitypub-actor-name" data-wp-text="context.item.name"></span> |
| 877 |
<span class="activitypub-actor-handle" data-wp-text="context.item.handle"></span> |
| 878 |
</div> |
| 879 |
|
| 880 |
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" class="external-link-icon" aria-hidden="true" focusable="false" fill="currentColor"> |
| 881 |
<path d="M18.2 17c0 .7-.6 1.2-1.2 1.2H7c-.7 0-1.2-.6-1.2-1.2V7c0-.7.6-1.2 1.2-1.2h3.2V4.2H7C5.5 4.2 4.2 5.5 4.2 7v10c0 1.5 1.2 2.8 2.8 2.8h10c1.5 0 2.8-1.2 2.8-2.8v-3.6h-1.5V17zM14.9 3v1.5h3.7l-6.4 6.4 1.1 1.1 6.4-6.4v3.7h1.5V3h-6.3z"></path> |
| 882 |
</svg> |
| 883 |
</a> |
| 884 |
</li> |
| 885 |
</template> |
| 886 |
</ul> |
| 887 |
|
| 888 |
<?php if ( $args['show_pagination'] && $args['total'] > $args['per_page'] ) : ?> |
| 889 |
<nav class="activitypub-actor-list-pagination" role="navigation"> |
| 890 |
<h1 class="screen-reader-text"><?php echo \esc_html( $args['nav_label'] ); ?></h1> |
| 891 |
<a |
| 892 |
href="#" |
| 893 |
role="button" |
| 894 |
class="pagination-previous" |
| 895 |
data-wp-on--click="actions.previousPage" |
| 896 |
data-wp-bind--aria-disabled="state.disablePreviousLink" |
| 897 |
aria-label="<?php \esc_attr_e( 'Previous page', 'activitypub' ); ?>" |
| 898 |
> |
| 899 |
<?php \esc_html_e( 'Previous', 'activitypub' ); ?> |
| 900 |
</a> |
| 901 |
|
| 902 |
<div class="pagination-info" data-wp-text="state.paginationText"></div> |
| 903 |
|
| 904 |
<a |
| 905 |
href="#" |
| 906 |
role="button" |
| 907 |
class="pagination-next" |
| 908 |
data-wp-on--click="actions.nextPage" |
| 909 |
data-wp-bind--aria-disabled="state.disableNextLink" |
| 910 |
aria-label="<?php \esc_attr_e( 'Next page', 'activitypub' ); ?>" |
| 911 |
> |
| 912 |
<?php \esc_html_e( 'Next', 'activitypub' ); ?> |
| 913 |
</a> |
| 914 |
</nav> |
| 915 |
|
| 916 |
<div class="activitypub-actor-list-loading" data-wp-bind--aria-hidden="!context.isLoading"> |
| 917 |
<div class="loading-spinner"></div> |
| 918 |
</div> |
| 919 |
<?php endif; ?> |
| 920 |
</div> |
| 921 |
<?php |
| 922 |
} |
| 923 |
|
| 924 |
/** |
| 925 |
* Converts content to blocks before saving to the database. |
| 926 |
* |
| 927 |
* @param array $data The post data to be inserted. |
| 928 |
* @param array $post The Mastodon Create activity. |
| 929 |
* |
| 930 |
* @return array |
| 931 |
*/ |
| 932 |
public static function filter_import_mastodon_post_data( $data, $post ) { |
| 933 |
// Convert paragraphs to blocks. |
| 934 |
\preg_match_all( '#<p>.*?</p>#is', $data['post_content'], $matches ); |
| 935 |
$blocks = \array_map( |
| 936 |
static function ( $paragraph ) { |
| 937 |
return '<!-- wp:paragraph -->' . PHP_EOL . $paragraph . PHP_EOL . '<!-- /wp:paragraph -->' . PHP_EOL; |
| 938 |
}, |
| 939 |
$matches[0] ?? array() |
| 940 |
); |
| 941 |
|
| 942 |
$data['post_content'] = \rtrim( \implode( PHP_EOL, $blocks ), PHP_EOL ); |
| 943 |
|
| 944 |
// Add reply block if it's a reply. |
| 945 |
if ( ! empty( $post['object']['inReplyTo'] ) ) { |
| 946 |
$reply_block = \sprintf( '<!-- wp:activitypub/reply {"url":"%1$s","embedPost":true} /-->' . PHP_EOL, \esc_url( $post['object']['inReplyTo'] ) ); |
| 947 |
$data['post_content'] = $reply_block . $data['post_content']; |
| 948 |
} |
| 949 |
|
| 950 |
return $data; |
| 951 |
} |
| 952 |
|
| 953 |
/** |
| 954 |
* Add Interactivity directions to the specified element. |
| 955 |
* |
| 956 |
* @param string $content The block content. |
| 957 |
* @param string[] $selector The selector for the element to add directions to. |
| 958 |
* @param string[] $attributes The attributes to add to the element. |
| 959 |
* |
| 960 |
* @return string The updated content. |
| 961 |
*/ |
| 962 |
public static function add_directions( $content, $selector, $attributes ) { |
| 963 |
$tags = new \WP_HTML_Tag_Processor( $content ); |
| 964 |
|
| 965 |
while ( $tags->next_tag( $selector ) ) { |
| 966 |
foreach ( $attributes as $key => $value ) { |
| 967 |
if ( 'class' === $key ) { |
| 968 |
$tags->add_class( $value ); |
| 969 |
continue; |
| 970 |
} |
| 971 |
|
| 972 |
$tags->set_attribute( $key, $value ); |
| 973 |
} |
| 974 |
} |
| 975 |
|
| 976 |
return $tags->get_updated_html(); |
| 977 |
} |
| 978 |
|
| 979 |
/** |
| 980 |
* Add post transformation callbacks. |
| 981 |
* |
| 982 |
* @param object $post The post object. |
| 983 |
*/ |
| 984 |
public static function add_post_transformation_callbacks( $post ) { |
| 985 |
\add_filter( 'render_block_core/embed', array( self::class, 'revert_embed_links' ), 10, 2 ); |
| 986 |
\add_filter( 'render_block_activitypub/stats', '__return_empty_string' ); |
| 987 |
|
| 988 |
// Only transform reply link if it's the first block in the post. |
| 989 |
$blocks = \parse_blocks( $post->post_content ); |
| 990 |
if ( ! empty( $blocks ) && 'activitypub/reply' === $blocks[0]['blockName'] ) { |
| 991 |
\add_filter( 'render_block_activitypub/reply', array( self::class, 'generate_reply_link' ), 10, 2 ); |
| 992 |
} |
| 993 |
} |
| 994 |
|
| 995 |
/** |
| 996 |
* Remove post transformation callbacks. |
| 997 |
* |
| 998 |
* @param string $content The post content. |
| 999 |
* |
| 1000 |
* @return string The updated content. |
| 1001 |
*/ |
| 1002 |
public static function remove_post_transformation_callbacks( $content ) { |
| 1003 |
\remove_filter( 'render_block_core/embed', array( self::class, 'revert_embed_links' ) ); |
| 1004 |
\remove_filter( 'render_block_activitypub/reply', array( self::class, 'generate_reply_link' ) ); |
| 1005 |
\remove_filter( 'render_block_activitypub/stats', '__return_empty_string' ); |
| 1006 |
|
| 1007 |
return $content; |
| 1008 |
} |
| 1009 |
|
| 1010 |
/** |
| 1011 |
* Generate HTML @ link for reply block. |
| 1012 |
* |
| 1013 |
* @param string $block_content The block content. |
| 1014 |
* @param array $block The block data. |
| 1015 |
* |
| 1016 |
* @return string The HTML @ link. |
| 1017 |
*/ |
| 1018 |
public static function generate_reply_link( $block_content, $block ) { |
| 1019 |
// Unhook ourselves after first execution to ensure only the first reply block gets transformed. |
| 1020 |
\remove_filter( 'render_block_activitypub/reply', array( self::class, 'generate_reply_link' ) ); |
| 1021 |
|
| 1022 |
// Return empty string if no URL is provided. |
| 1023 |
if ( empty( $block['attrs']['url'] ) ) { |
| 1024 |
return ''; |
| 1025 |
} |
| 1026 |
|
| 1027 |
$url = $block['attrs']['url']; |
| 1028 |
|
| 1029 |
// Try to get ActivityPub representation. Is likely already cached. |
| 1030 |
$object = Http::get_remote_object( $url ); |
| 1031 |
if ( \is_wp_error( $object ) ) { |
| 1032 |
return ''; |
| 1033 |
} |
| 1034 |
|
| 1035 |
$author_url = $object['attributedTo'] ?? ''; |
| 1036 |
if ( ! $author_url ) { |
| 1037 |
return ''; |
| 1038 |
} |
| 1039 |
|
| 1040 |
// Fetch author information. |
| 1041 |
$author = Http::get_remote_object( $author_url ); |
| 1042 |
if ( \is_wp_error( $author ) ) { |
| 1043 |
return ''; |
| 1044 |
} |
| 1045 |
|
| 1046 |
// Get webfinger identifier. |
| 1047 |
$webfinger = ''; |
| 1048 |
if ( ! empty( $author['webfinger'] ) ) { |
| 1049 |
$webfinger = \str_replace( 'acct:', '', $author['webfinger'] ); |
| 1050 |
} elseif ( ! empty( $author['preferredUsername'] ) && ! empty( $author['url'] ) ) { |
| 1051 |
// Construct webfinger-style identifier from username and domain. |
| 1052 |
$domain = \wp_parse_url( $author['url'], PHP_URL_HOST ); |
| 1053 |
$webfinger = '@' . $author['preferredUsername'] . '@' . $domain; |
| 1054 |
} |
| 1055 |
|
| 1056 |
if ( ! $webfinger ) { |
| 1057 |
return ''; |
| 1058 |
} |
| 1059 |
|
| 1060 |
// Generate HTML @ link. |
| 1061 |
return \sprintf( |
| 1062 |
'<p class="ap-reply-mention"><a rel="mention ugc" href="%1$s" title="%2$s">%3$s</a></p>', |
| 1063 |
\esc_url( $url ), |
| 1064 |
\esc_attr( $webfinger ), |
| 1065 |
\esc_html( '@' . \strtok( $webfinger, '@' ) ) |
| 1066 |
); |
| 1067 |
} |
| 1068 |
|
| 1069 |
/** |
| 1070 |
* Add the stats image as an attachment when a post contains the stats block. |
| 1071 |
* |
| 1072 |
* Parses the post content for activitypub/stats blocks and appends each |
| 1073 |
* as an Image attachment to the ActivityPub object. |
| 1074 |
* |
| 1075 |
* @since 8.1.0 |
| 1076 |
* |
| 1077 |
* @param array $attachments The existing attachments. |
| 1078 |
* @param \WP_Post $post The post object. |
| 1079 |
* |
| 1080 |
* @return array The attachments with stats images appended. |
| 1081 |
*/ |
| 1082 |
public static function add_stats_image_attachment( $attachments, $post ) { |
| 1083 |
if ( ! Stats_Image::is_available() ) { |
| 1084 |
return $attachments; |
| 1085 |
} |
| 1086 |
|
| 1087 |
/* |
| 1088 |
* The stats image intentionally bypasses the `activitypub_max_image_attachments` |
| 1089 |
* limit because it replaces the block content rather than being an inline image |
| 1090 |
* extracted from the post. It is always appended so that the share-pic is |
| 1091 |
* included in the federated activity regardless of the attachment cap. |
| 1092 |
*/ |
| 1093 |
$blocks = \parse_blocks( $post->post_content ); |
| 1094 |
$stats_blocks = self::find_blocks_recursive( $blocks, 'activitypub/stats' ); |
| 1095 |
|
| 1096 |
foreach ( $stats_blocks as $block ) { |
| 1097 |
$user_id = self::get_user_id( $block['attrs']['selectedUser'] ?? 'blog' ); |
| 1098 |
|
| 1099 |
if ( null === $user_id ) { |
| 1100 |
continue; |
| 1101 |
} |
| 1102 |
|
| 1103 |
$year = (int) ( $block['attrs']['year'] ?? (int) \gmdate( 'Y' ) - 1 ); |
| 1104 |
$url = Stats_Image::get_url( $user_id, $year ); |
| 1105 |
|
| 1106 |
if ( \is_wp_error( $url ) ) { |
| 1107 |
continue; |
| 1108 |
} |
| 1109 |
|
| 1110 |
// Determine mime type from URL extension. |
| 1111 |
$mime_type = \str_ends_with( $url, '.webp' ) ? 'image/webp' : 'image/png'; |
| 1112 |
|
| 1113 |
$attachments[] = array( |
| 1114 |
'type' => 'Image', |
| 1115 |
'mediaType' => $mime_type, |
| 1116 |
'url' => $url, |
| 1117 |
'name' => \sprintf( |
| 1118 |
/* translators: %d: The year */ |
| 1119 |
\__( 'Fediverse Stats %d', 'activitypub' ), |
| 1120 |
$year |
| 1121 |
), |
| 1122 |
); |
| 1123 |
} |
| 1124 |
|
| 1125 |
return $attachments; |
| 1126 |
} |
| 1127 |
|
| 1128 |
/** |
| 1129 |
* Recursively find blocks of a given type in a block tree. |
| 1130 |
* |
| 1131 |
* @since 8.1.0 |
| 1132 |
* |
| 1133 |
* @param array $blocks The parsed blocks. |
| 1134 |
* @param string $block_name The block name to search for. |
| 1135 |
* |
| 1136 |
* @return array The matching blocks. |
| 1137 |
*/ |
| 1138 |
private static function find_blocks_recursive( $blocks, $block_name ) { |
| 1139 |
$found = array(); |
| 1140 |
|
| 1141 |
foreach ( $blocks as $block ) { |
| 1142 |
if ( $block_name === $block['blockName'] ) { |
| 1143 |
$found[] = $block; |
| 1144 |
} |
| 1145 |
|
| 1146 |
if ( ! empty( $block['innerBlocks'] ) ) { |
| 1147 |
$found = \array_merge( $found, self::find_blocks_recursive( $block['innerBlocks'], $block_name ) ); |
| 1148 |
} |
| 1149 |
} |
| 1150 |
|
| 1151 |
return $found; |
| 1152 |
} |
| 1153 |
|
| 1154 |
/** |
| 1155 |
* Transform Embed blocks to block level link. |
| 1156 |
* |
| 1157 |
* Remote servers will simply drop iframe elements, rendering incomplete content. |
| 1158 |
* |
| 1159 |
* @see https://www.w3.org/TR/activitypub/#security-sanitizing-content |
| 1160 |
* @see https://www.w3.org/wiki/ActivityPub/Primer/HTML |
| 1161 |
* |
| 1162 |
* @param string $block_content The block content (html). |
| 1163 |
* @param object $block The block object. |
| 1164 |
* |
| 1165 |
* @return string A block level link |
| 1166 |
*/ |
| 1167 |
public static function revert_embed_links( $block_content, $block ) { |
| 1168 |
if ( ! isset( $block['attrs']['url'] ) ) { |
| 1169 |
return $block_content; |
| 1170 |
} |
| 1171 |
|
| 1172 |
// Escape once and reuse: the URL is also the visible link text, so it must be safe there too. |
| 1173 |
$url = \esc_url( $block['attrs']['url'] ); |
| 1174 |
|
| 1175 |
return '<p><a href="' . $url . '">' . $url . '</a></p>'; |
| 1176 |
} |
| 1177 |
|
| 1178 |
/** |
| 1179 |
* Convert HTML content to blocks. |
| 1180 |
* |
| 1181 |
* Tokenizes the content with wp_html_split(), tracks nesting depth, |
| 1182 |
* and wraps each top-level element in block comment delimiters. |
| 1183 |
* |
| 1184 |
* @since 8.1.0 |
| 1185 |
* |
| 1186 |
* @param string $content The HTML content. |
| 1187 |
* |
| 1188 |
* @return string The content converted to blocks. |
| 1189 |
*/ |
| 1190 |
public static function convert_from_html( $content ) { |
| 1191 |
if ( empty( $content ) ) { |
| 1192 |
return ''; |
| 1193 |
} |
| 1194 |
|
| 1195 |
$tokens = \wp_html_split( $content ); |
| 1196 |
$_content = ''; |
| 1197 |
$depth = 0; |
| 1198 |
$current_tag = ''; |
| 1199 |
$current_html = ''; |
| 1200 |
|
| 1201 |
foreach ( $tokens as $token ) { |
| 1202 |
if ( '' === $token ) { |
| 1203 |
continue; |
| 1204 |
} |
| 1205 |
|
| 1206 |
// Text content — accumulate only inside a top-level element. |
| 1207 |
if ( '<' !== $token[0] ) { |
| 1208 |
if ( $depth > 0 ) { |
| 1209 |
$current_html .= $token; |
| 1210 |
} |
| 1211 |
continue; |
| 1212 |
} |
| 1213 |
|
| 1214 |
// Closing tag. |
| 1215 |
if ( '/' === $token[1] ) { |
| 1216 |
$current_html .= $token; |
| 1217 |
--$depth; |
| 1218 |
|
| 1219 |
if ( 0 === $depth && '' !== $current_tag ) { |
| 1220 |
$_content .= self::to_block( $current_tag, $current_html ); |
| 1221 |
$current_tag = ''; |
| 1222 |
$current_html = ''; |
| 1223 |
} |
| 1224 |
continue; |
| 1225 |
} |
| 1226 |
|
| 1227 |
// Extract the tag name from the opening tag. |
| 1228 |
if ( ! \preg_match( '/^<([a-zA-Z][a-zA-Z0-9]*)/', $token, $m ) ) { |
| 1229 |
if ( $depth > 0 ) { |
| 1230 |
$current_html .= $token; |
| 1231 |
} |
| 1232 |
continue; |
| 1233 |
} |
| 1234 |
|
| 1235 |
$tag = \strtoupper( $m[1] ); |
| 1236 |
|
| 1237 |
// Start of a new top-level element. |
| 1238 |
if ( 0 === $depth ) { |
| 1239 |
$current_tag = $tag; |
| 1240 |
$current_html = $token; |
| 1241 |
} else { |
| 1242 |
$current_html .= $token; |
| 1243 |
} |
| 1244 |
|
| 1245 |
// Void elements don't increase depth — flush immediately at top level. |
| 1246 |
if ( \in_array( $tag, self::VOID_TAGS, true ) ) { |
| 1247 |
if ( 0 === $depth && '' !== $current_tag ) { |
| 1248 |
$_content .= self::to_block( $current_tag, $current_html ); |
| 1249 |
$current_tag = ''; |
| 1250 |
$current_html = ''; |
| 1251 |
} |
| 1252 |
} else { |
| 1253 |
++$depth; |
| 1254 |
} |
| 1255 |
} |
| 1256 |
|
| 1257 |
return $_content; |
| 1258 |
} |
| 1259 |
|
| 1260 |
/** |
| 1261 |
* Wrap an HTML element in block comment delimiters. |
| 1262 |
* |
| 1263 |
* @since 8.1.0 |
| 1264 |
* |
| 1265 |
* @param string $tag The uppercase tag name. |
| 1266 |
* @param string $html The element HTML. |
| 1267 |
* |
| 1268 |
* @return string The block-wrapped HTML, or empty string for skipped tags. |
| 1269 |
*/ |
| 1270 |
private static function to_block( $tag, $html ) { |
| 1271 |
if ( \in_array( $tag, self::SKIP_TAGS, true ) ) { |
| 1272 |
return ''; |
| 1273 |
} |
| 1274 |
|
| 1275 |
$block_type = self::BLOCK_MAP[ $tag ] ?? 'html'; |
| 1276 |
$block_attrs = array(); |
| 1277 |
|
| 1278 |
if ( 'OL' === $tag ) { |
| 1279 |
$block_attrs['ordered'] = true; |
| 1280 |
} |
| 1281 |
|
| 1282 |
return \get_comment_delimited_block_content( $block_type, $block_attrs, \trim( $html ) ); |
| 1283 |
} |
| 1284 |
|
| 1285 |
/** |
| 1286 |
* Filter the main query to exclude replies. |
| 1287 |
* |
| 1288 |
* Adds a WHERE clause to exclude posts containing the `activitypub/reply` |
| 1289 |
* block when the visitor has explicitly requested the "Posts" tab via |
| 1290 |
* `?filter=posts`. This filters the main query so that Query Loop blocks |
| 1291 |
* with `inherit: true` also pick up the filter. |
| 1292 |
* |
| 1293 |
* The filter only attaches on that explicit opt-in. Admin, feed, and any |
| 1294 |
* regular frontend request (front page, archives, search…) are never |
| 1295 |
* touched, which is why no block-presence probing is needed: the only |
| 1296 |
* way `?filter=posts` appears in a URL is from a click on the |
| 1297 |
* `activitypub/posts-and-replies` tab block. |
| 1298 |
* |
| 1299 |
* @since 8.1.0 |
| 1300 |
* |
| 1301 |
* @param WP_Query $query The WP_Query instance. |
| 1302 |
*/ |
| 1303 |
public static function filter_query_loop_vars( $query ) { |
| 1304 |
// Never touch admin or feed queries. |
| 1305 |
if ( \is_admin() || $query->is_feed() ) { |
| 1306 |
return; |
| 1307 |
} |
| 1308 |
|
| 1309 |
if ( ! $query->is_main_query() || $query->is_singular() ) { |
| 1310 |
return; |
| 1311 |
} |
| 1312 |
|
| 1313 |
// Skip the reply-exclusion filter for queries that only target |
| 1314 |
// non-ActivityPub post types to avoid a full table scan. |
| 1315 |
$query_post_type = $query->get( 'post_type' ); |
| 1316 |
if ( ! empty( $query_post_type ) && 'any' !== $query_post_type ) { |
| 1317 |
$query_post_types = (array) $query_post_type; |
| 1318 |
if ( ! \array_intersect( $query_post_types, \get_post_types_by_support( 'activitypub' ) ) ) { |
| 1319 |
return; |
| 1320 |
} |
| 1321 |
} |
| 1322 |
|
| 1323 |
// Only filter when the "Posts" tab has been explicitly selected. |
| 1324 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 1325 |
if ( ! isset( $_GET['filter'] ) || 'posts' !== \sanitize_key( \wp_unslash( $_GET['filter'] ) ) ) { |
| 1326 |
return; |
| 1327 |
} |
| 1328 |
|
| 1329 |
\add_filter( 'posts_where', array( self::class, 'exclude_replies_where' ) ); |
| 1330 |
} |
| 1331 |
|
| 1332 |
/** |
| 1333 |
* Exclude posts containing the activitypub/reply block. |
| 1334 |
* |
| 1335 |
* Removes itself after the first execution to avoid |
| 1336 |
* affecting secondary queries on the same page. |
| 1337 |
* |
| 1338 |
* @since 8.1.0 |
| 1339 |
* |
| 1340 |
* @param string $where The WHERE clause. |
| 1341 |
* @return string Modified WHERE clause. |
| 1342 |
*/ |
| 1343 |
public static function exclude_replies_where( $where ) { |
| 1344 |
\remove_filter( 'posts_where', array( self::class, 'exclude_replies_where' ) ); |
| 1345 |
|
| 1346 |
global $wpdb; |
| 1347 |
|
| 1348 |
$where .= $wpdb->prepare( |
| 1349 |
" AND {$wpdb->posts}.post_content NOT LIKE %s", |
| 1350 |
'%<!-- wp:activitypub/reply%' |
| 1351 |
); |
| 1352 |
|
| 1353 |
return $where; |
| 1354 |
} |
| 1355 |
} |
| 1356 |
|
