| 1 |
<?php |
| 2 |
/** |
| 3 |
* Attachments processing file. |
| 4 |
* |
| 5 |
* @package Activitypub |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace Activitypub; |
| 9 |
|
| 10 |
use Activitypub\Collection\Posts; |
| 11 |
|
| 12 |
/** |
| 13 |
* Attachments processor class. |
| 14 |
*/ |
| 15 |
class Attachments { |
| 16 |
/** |
| 17 |
* Directory for storing ap_post media files. |
| 18 |
* |
| 19 |
* @var string |
| 20 |
*/ |
| 21 |
public static $ap_posts_dir = '/activitypub/ap_posts/'; |
| 22 |
|
| 23 |
/** |
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* Directory for storing comment media files. |
| 25 |
* |
| 26 |
* @var string |
| 27 |
*/ |
| 28 |
public static $comments_dir = '/activitypub/comments/'; |
| 29 |
|
| 30 |
/** |
| 31 |
* Initialize the class and set up filters. |
| 32 |
*/ |
| 33 |
public static function init() { |
| 34 |
\add_action( 'before_delete_post', array( self::class, 'delete_ap_posts_directory' ) ); |
| 35 |
} |
| 36 |
|
| 37 |
/** |
| 38 |
* Delete the activitypub files directory for a post. |
| 39 |
* |
| 40 |
* @param int $post_id The post ID. |
| 41 |
*/ |
| 42 |
public static function delete_ap_posts_directory( $post_id ) { |
| 43 |
if ( Posts::POST_TYPE !== \get_post_type( $post_id ) ) { |
| 44 |
return; |
| 45 |
} |
| 46 |
|
| 47 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 48 |
|
| 49 |
\WP_Filesystem(); |
| 50 |
global $wp_filesystem; |
| 51 |
|
| 52 |
$activitypub_dir = self::get_storage_paths( $post_id, 'post' )['basedir']; |
| 53 |
|
| 54 |
if ( $wp_filesystem->is_dir( $activitypub_dir ) ) { |
| 55 |
$wp_filesystem->delete( $activitypub_dir, true ); |
| 56 |
} |
| 57 |
} |
| 58 |
|
| 59 |
/** |
| 60 |
* Import attachments from an ActivityPub object and attach them to a post. |
| 61 |
* |
| 62 |
* Creates full WordPress attachment posts in the media library. Each attachment |
| 63 |
* becomes a searchable, manageable attachment post that appears in the WordPress |
| 64 |
* Media Library and is part of the user's content. |
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* |
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* Use this when: |
| 67 |
* - Importing content that will be owned and editable by the user. |
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* - You need WordPress attachment posts with full metadata support. |
| 69 |
* - Media should be searchable and manageable in the Media Library. |
| 70 |
* - Working with content that will be part of the user's site (e.g., importers). |
| 71 |
* |
| 72 |
* @param array $attachments Array of ActivityPub attachment objects. |
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* @param int $post_id The post ID to attach files to. |
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* @param int $author_id Optional. User ID to set as attachment author. Default 0. |
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* |
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* @return array Array of attachment IDs. |
| 77 |
*/ |
| 78 |
public static function import( $attachments, $post_id, $author_id = 0 ) { |
| 79 |
// First, import inline images from the post content. |
| 80 |
$inline_mappings = self::import_inline_images( $post_id, $author_id ); |
| 81 |
|
| 82 |
if ( empty( $attachments ) || ! is_array( $attachments ) ) { |
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return array(); |
| 84 |
} |
| 85 |
|
| 86 |
$attachment_ids = array(); |
| 87 |
foreach ( $attachments as $attachment ) { |
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$attachment_data = self::normalize_attachment( $attachment ); |
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|
| 90 |
if ( empty( $attachment_data['url'] ) ) { |
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continue; |
| 92 |
} |
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|
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// Skip if this URL was already processed as an inline image. |
| 95 |
if ( isset( $inline_mappings[ $attachment_data['url'] ] ) ) { |
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continue; |
| 97 |
} |
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|
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$attachment_id = self::save_attachment( $attachment_data, $post_id, $author_id ); |
| 100 |
|
| 101 |
if ( ! \is_wp_error( $attachment_id ) ) { |
| 102 |
$attachment_ids[] = $attachment_id; |
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} |
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} |
| 105 |
|
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// Append media markup to post content. |
| 107 |
if ( ! empty( $attachment_ids ) ) { |
| 108 |
self::append_media_to_post_content( $post_id, $attachment_ids ); |
| 109 |
} |
| 110 |
|
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return $attachment_ids; |
| 112 |
} |
| 113 |
|
| 114 |
/** |
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* Import attachments as direct files for posts. |
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* |
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* Saves files directly to uploads/activitypub/ap_posts/{post_id}/ without creating |
| 118 |
* WordPress attachment posts. This lightweight approach is ideal for federated content |
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* that doesn't require full WordPress media management. |
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* |
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* Files are stored in a dedicated directory structure and automatically cleaned up |
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* when the parent post is deleted. Media URLs point directly to the stored files |
| 123 |
* rather than going through WordPress attachment APIs. |
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* |
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* Use this when: |
| 126 |
* - Processing ActivityPub Create/Update activities from the inbox. |
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* - Handling federated content that won't be owned or edited by the user. |
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* - You want lightweight storage without Media Library overhead. |
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* |
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* @param array $attachments Array of ActivityPub attachment objects. |
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* @param int $post_id The post ID to attach files to. |
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* |
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* @return array[] Array of file data arrays. |
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*/ |
| 135 |
public static function import_post_files( $attachments, $post_id ) { |
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return self::import_files_for_object( $attachments, $post_id, 'post' ); |
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} |
| 138 |
|
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/** |
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* Import attachments as direct files for any object type. |
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* |
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* Saves files directly to uploads/activitypub/{type}/{id}/ without creating |
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* WordPress attachment posts. This is the internal method that handles |
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* the actual import logic for both posts and comments. |
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* |
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* @param array $attachments Array of ActivityPub attachment objects. |
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* @param int $object_id The object ID (post or comment). |
| 148 |
* @param string $object_type The object type ('post' or 'comment'). |
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* |
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* @return array[] Array of file data arrays. |
| 151 |
*/ |
| 152 |
private static function import_files_for_object( $attachments, $object_id, $object_type ) { |
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// First, import inline images from the content. |
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$inline_mappings = self::import_inline_files( $object_id, $object_type ); |
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|
| 156 |
if ( empty( $attachments ) || ! is_array( $attachments ) ) { |
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return array(); |
| 158 |
} |
| 159 |
|
| 160 |
$files = array(); |
| 161 |
foreach ( $attachments as $attachment ) { |
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$attachment_data = self::normalize_attachment( $attachment ); |
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|
| 164 |
if ( empty( $attachment_data['url'] ) ) { |
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continue; |
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} |
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|
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// Skip if this URL was already processed as an inline image. |
| 169 |
if ( isset( $inline_mappings[ $attachment_data['url'] ] ) ) { |
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continue; |
| 171 |
} |
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|
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$file_data = self::save_file( $attachment_data, $object_id, $object_type ); |
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|
| 175 |
if ( ! \is_wp_error( $file_data ) ) { |
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$files[] = $file_data; |
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} |
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} |
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|
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// Append media markup to content. |
| 181 |
if ( ! empty( $files ) ) { |
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self::append_files_to_content( $object_id, $files, $object_type ); |
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} |
| 184 |
|
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return $files; |
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} |
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|
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/** |
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* Get storage paths for an object based on its type. |
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* |
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* @param int $object_id The object ID (post or comment). |
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* @param string $object_type The object type ('post' or 'comment'). |
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* |
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* @return array { |
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* Storage paths for the object. |
| 196 |
* |
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* @type string $basedir Base directory path. |
| 198 |
* @type string $baseurl Base URL. |
| 199 |
* } |
| 200 |
*/ |
| 201 |
private static function get_storage_paths( $object_id, $object_type ) { |
| 202 |
$upload_dir = \wp_upload_dir(); |
| 203 |
$sub_dir = 'comment' === $object_type ? self::$comments_dir : self::$ap_posts_dir; |
| 204 |
|
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return array( |
| 206 |
'basedir' => $upload_dir['basedir'] . $sub_dir . $object_id, |
| 207 |
'baseurl' => $upload_dir['baseurl'] . $sub_dir . $object_id, |
| 208 |
); |
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} |
| 210 |
|
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/** |
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* Get content for an object based on its type. |
| 213 |
* |
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* @param int $object_id The object ID (post or comment). |
| 215 |
* @param string $object_type The object type ('post' or 'comment'). |
| 216 |
* |
| 217 |
* @return string The content string or empty if not found. |
| 218 |
*/ |
| 219 |
private static function get_object_content( $object_id, $object_type ) { |
| 220 |
if ( 'comment' === $object_type ) { |
| 221 |
$comment = \get_comment( $object_id ); |
| 222 |
return $comment ? $comment->comment_content : ''; |
| 223 |
} |
| 224 |
|
| 225 |
return \get_post_field( 'post_content', $object_id ); |
| 226 |
} |
| 227 |
|
| 228 |
/** |
| 229 |
* Update content for an object based on its type. |
| 230 |
* |
| 231 |
* @param int $object_id The object ID (post or comment). |
| 232 |
* @param string $object_type The object type ('post' or 'comment'). |
| 233 |
* @param string $content The new content. |
| 234 |
*/ |
| 235 |
private static function update_object_content( $object_id, $object_type, $content ) { |
| 236 |
if ( 'comment' === $object_type ) { |
| 237 |
\wp_update_comment( |
| 238 |
array( |
| 239 |
'comment_ID' => $object_id, |
| 240 |
'comment_content' => $content, |
| 241 |
) |
| 242 |
); |
| 243 |
} else { |
| 244 |
\wp_update_post( |
| 245 |
array( |
| 246 |
'ID' => $object_id, |
| 247 |
'post_content' => $content, |
| 248 |
) |
| 249 |
); |
| 250 |
} |
| 251 |
} |
| 252 |
|
| 253 |
/** |
| 254 |
* Check if an attachment with the same source URL already exists for a post. |
| 255 |
* |
| 256 |
* @param string $source_url The source URL to check. |
| 257 |
* @param int $post_id The post ID to check attachments for. |
| 258 |
* |
| 259 |
* @return int|false The existing attachment ID or false if not found. |
| 260 |
*/ |
| 261 |
private static function get_existing_attachment( $source_url, $post_id ) { |
| 262 |
foreach ( \get_attached_media( '', $post_id ) as $attachment ) { |
| 263 |
if ( \get_post_meta( $attachment->ID, '_source_url', true ) === $source_url ) { |
| 264 |
return $attachment->ID; |
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
return false; |
| 269 |
} |
| 270 |
|
| 271 |
/** |
| 272 |
* Process inline images from post content. |
| 273 |
* |
| 274 |
* @param int $post_id The post ID. |
| 275 |
* @param int $author_id Optional. User ID to set as attachment author. Default 0. |
| 276 |
* |
| 277 |
* @return array Array of URL mappings (old URL => new URL). |
| 278 |
*/ |
| 279 |
private static function import_inline_images( $post_id, $author_id = 0 ) { |
| 280 |
$post = \get_post( $post_id ); |
| 281 |
if ( ! $post || empty( $post->post_content ) ) { |
| 282 |
return array(); |
| 283 |
} |
| 284 |
|
| 285 |
// Find all img tags in the content. |
| 286 |
preg_match_all( '/<img[^>]+src=["\']([^"\']+)["\'][^>]*>/i', $post->post_content, $matches ); |
| 287 |
|
| 288 |
if ( empty( $matches[1] ) ) { |
| 289 |
return array(); |
| 290 |
} |
| 291 |
|
| 292 |
$url_mappings = array(); |
| 293 |
$content = $post->post_content; |
| 294 |
|
| 295 |
foreach ( $matches[1] as $image_url ) { |
| 296 |
// Skip if already processed or is a local URL. |
| 297 |
if ( isset( $url_mappings[ $image_url ] ) ) { |
| 298 |
continue; |
| 299 |
} |
| 300 |
|
| 301 |
// Check if this image was already processed as an attachment. |
| 302 |
$attachment_id = self::get_existing_attachment( $image_url, $post_id ); |
| 303 |
if ( ! $attachment_id ) { |
| 304 |
$attachment_id = self::save_attachment( array( 'url' => $image_url ), $post_id, $author_id ); |
| 305 |
|
| 306 |
if ( \is_wp_error( $attachment_id ) ) { |
| 307 |
continue; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
$new_url = \wp_get_attachment_url( $attachment_id ); |
| 312 |
if ( $new_url ) { |
| 313 |
$url_mappings[ $image_url ] = $new_url; |
| 314 |
$content = \str_replace( $image_url, $new_url, $content ); |
| 315 |
} |
| 316 |
} |
| 317 |
|
| 318 |
// Update post content if URLs were replaced. |
| 319 |
if ( ! empty( $url_mappings ) ) { |
| 320 |
\wp_update_post( |
| 321 |
array( |
| 322 |
'ID' => $post_id, |
| 323 |
'post_content' => $content, |
| 324 |
) |
| 325 |
); |
| 326 |
} |
| 327 |
|
| 328 |
return $url_mappings; |
| 329 |
} |
| 330 |
|
| 331 |
/** |
| 332 |
* Process inline images from content (for direct file storage). |
| 333 |
* |
| 334 |
* @param int $object_id The post or comment ID. |
| 335 |
* @param string $object_type The object type ('post' or 'comment'). |
| 336 |
* |
| 337 |
* @return array Array of URL mappings (old URL => new URL). |
| 338 |
*/ |
| 339 |
private static function import_inline_files( $object_id, $object_type ) { |
| 340 |
$content = self::get_object_content( $object_id, $object_type ); |
| 341 |
if ( ! $content ) { |
| 342 |
return array(); |
| 343 |
} |
| 344 |
|
| 345 |
// Find all img tags in the content. |
| 346 |
preg_match_all( '/<img[^>]+src=["\']([^"\']+)["\'][^>]*>/i', $content, $matches ); |
| 347 |
|
| 348 |
if ( empty( $matches[1] ) ) { |
| 349 |
return array(); |
| 350 |
} |
| 351 |
|
| 352 |
$url_mappings = array(); |
| 353 |
|
| 354 |
foreach ( $matches[1] as $image_url ) { |
| 355 |
// Skip if already processed. |
| 356 |
if ( isset( $url_mappings[ $image_url ] ) ) { |
| 357 |
continue; |
| 358 |
} |
| 359 |
|
| 360 |
$file_data = self::save_file( array( 'url' => $image_url ), $object_id, $object_type ); |
| 361 |
|
| 362 |
if ( \is_wp_error( $file_data ) ) { |
| 363 |
continue; |
| 364 |
} |
| 365 |
|
| 366 |
$new_url = $file_data['url']; |
| 367 |
if ( $new_url ) { |
| 368 |
$url_mappings[ $image_url ] = $new_url; |
| 369 |
$content = \str_replace( $image_url, $new_url, $content ); |
| 370 |
} |
| 371 |
} |
| 372 |
|
| 373 |
// Update content if URLs were replaced. |
| 374 |
if ( ! empty( $url_mappings ) ) { |
| 375 |
self::update_object_content( $object_id, $object_type, $content ); |
| 376 |
} |
| 377 |
|
| 378 |
return $url_mappings; |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Normalize an ActivityPub attachment object to a standard format. |
| 383 |
* |
| 384 |
* @param mixed $attachment The attachment data (array or object). |
| 385 |
* |
| 386 |
* @return array|false Normalized attachment data or false on failure. |
| 387 |
*/ |
| 388 |
private static function normalize_attachment( $attachment ) { |
| 389 |
// Convert object to array if needed. |
| 390 |
if ( \is_object( $attachment ) ) { |
| 391 |
$attachment = \get_object_vars( $attachment ); |
| 392 |
} |
| 393 |
|
| 394 |
if ( ! is_array( $attachment ) || empty( $attachment['url'] ) ) { |
| 395 |
return false; |
| 396 |
} |
| 397 |
|
| 398 |
return array( |
| 399 |
'url' => $attachment['url'], |
| 400 |
'mediaType' => $attachment['mediaType'] ?? '', |
| 401 |
'name' => $attachment['name'] ?? '', |
| 402 |
'type' => $attachment['type'] ?? 'Document', |
| 403 |
); |
| 404 |
} |
| 405 |
|
| 406 |
/** |
| 407 |
* Save an attachment (local file or remote URL) to the media library. |
| 408 |
* |
| 409 |
* @param array $attachment_data The normalized attachment data. |
| 410 |
* @param int $post_id The post ID to attach to. |
| 411 |
* @param int $author_id Optional. User ID to set as attachment author. Default 0. |
| 412 |
* |
| 413 |
* @return int|\WP_Error The attachment ID or WP_Error on failure. |
| 414 |
*/ |
| 415 |
private static function save_attachment( $attachment_data, $post_id, $author_id = 0 ) { |
| 416 |
// Ensure required WordPress functions are loaded. |
| 417 |
if ( ! \function_exists( 'media_handle_sideload' ) || ! \function_exists( 'download_url' ) ) { |
| 418 |
require_once ABSPATH . 'wp-admin/includes/media.php'; |
| 419 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 420 |
require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 421 |
} |
| 422 |
|
| 423 |
$is_local = ! preg_match( '#^https?://#i', $attachment_data['url'] ); |
| 424 |
|
| 425 |
if ( $is_local ) { |
| 426 |
// Read local file from disk. |
| 427 |
\WP_Filesystem(); |
| 428 |
global $wp_filesystem; |
| 429 |
|
| 430 |
if ( ! $wp_filesystem->exists( $attachment_data['url'] ) ) { |
| 431 |
/* translators: %s: file path */ |
| 432 |
return new \WP_Error( 'file_not_found', sprintf( \__( 'File not found: %s', 'activitypub' ), $attachment_data['url'] ) ); |
| 433 |
} |
| 434 |
|
| 435 |
// Copy to temp file so media_handle_sideload doesn't move the original. |
| 436 |
$tmp_file = \wp_tempnam( \basename( $attachment_data['url'] ) ); |
| 437 |
$wp_filesystem->copy( $attachment_data['url'], $tmp_file, true ); |
| 438 |
} else { |
| 439 |
// Download remote URL. |
| 440 |
$tmp_file = \download_url( $attachment_data['url'] ); |
| 441 |
|
| 442 |
if ( \is_wp_error( $tmp_file ) ) { |
| 443 |
return $tmp_file; |
| 444 |
} |
| 445 |
} |
| 446 |
|
| 447 |
// Prepare file array for WordPress. |
| 448 |
$file_array = array( |
| 449 |
'name' => \basename( \wp_parse_url( $attachment_data['url'], PHP_URL_PATH ) ), |
| 450 |
'tmp_name' => $tmp_file, |
| 451 |
); |
| 452 |
|
| 453 |
// Prepare attachment post data. |
| 454 |
$post_data = array( |
| 455 |
'post_mime_type' => $attachment_data['mediaType'] ?? '', |
| 456 |
'post_title' => $attachment_data['name'] ?? '', |
| 457 |
'post_content' => $attachment_data['name'] ?? '', |
| 458 |
'post_author' => $author_id, |
| 459 |
'meta_input' => array( |
| 460 |
'_source_url' => $attachment_data['url'], |
| 461 |
), |
| 462 |
); |
| 463 |
|
| 464 |
// Add alt text for images. |
| 465 |
if ( ! empty( $attachment_data['name'] ) ) { |
| 466 |
$mime_type = $attachment_data['mediaType'] ?? ''; |
| 467 |
if ( 'image' === strtok( $mime_type, '/' ) ) { |
| 468 |
$post_data['meta_input']['_wp_attachment_image_alt'] = $attachment_data['name']; |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
// Sideload the attachment into WordPress. |
| 473 |
$attachment_id = \media_handle_sideload( $file_array, $post_id, '', $post_data ); |
| 474 |
|
| 475 |
// Clean up temp file if there was an error. |
| 476 |
if ( \is_wp_error( $attachment_id ) ) { |
| 477 |
\wp_delete_file( $tmp_file ); |
| 478 |
} |
| 479 |
|
| 480 |
return $attachment_id; |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Save a file directly to uploads/activitypub/{type}/{id}/. |
| 485 |
* |
| 486 |
* @param array $attachment_data The normalized attachment data. |
| 487 |
* @param int $object_id The post or comment ID to attach to. |
| 488 |
* @param string $object_type The object type ('post' or 'comment'). |
| 489 |
* |
| 490 |
* @return array|\WP_Error { |
| 491 |
* Array of file data on success, WP_Error on failure. |
| 492 |
* |
| 493 |
* @type string $url Full URL to the saved file. |
| 494 |
* @type string $mime_type MIME type of the file. |
| 495 |
* @type string $alt Alt text from attachment name field. |
| 496 |
* } |
| 497 |
*/ |
| 498 |
private static function save_file( $attachment_data, $object_id, $object_type ) { |
| 499 |
if ( ! \function_exists( 'download_url' ) ) { |
| 500 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 501 |
} |
| 502 |
|
| 503 |
// Download remote URL. |
| 504 |
$tmp_file = \download_url( $attachment_data['url'] ); |
| 505 |
|
| 506 |
if ( \is_wp_error( $tmp_file ) ) { |
| 507 |
return $tmp_file; |
| 508 |
} |
| 509 |
|
| 510 |
// Get storage paths for this object. |
| 511 |
$paths = self::get_storage_paths( $object_id, $object_type ); |
| 512 |
|
| 513 |
// Create directory if it doesn't exist. |
| 514 |
\wp_mkdir_p( $paths['basedir'] ); |
| 515 |
|
| 516 |
// Generate unique file name. |
| 517 |
$url_path = \wp_parse_url( $attachment_data['url'], PHP_URL_PATH ); |
| 518 |
$file_name = \sanitize_file_name( \basename( $url_path ) ); |
| 519 |
$file_path = $paths['basedir'] . '/' . $file_name; |
| 520 |
|
| 521 |
// Initialize filesystem if needed. |
| 522 |
\WP_Filesystem(); |
| 523 |
global $wp_filesystem; |
| 524 |
|
| 525 |
// Make sure file name is unique. |
| 526 |
$counter = 1; |
| 527 |
while ( $wp_filesystem->exists( $file_path ) ) { |
| 528 |
$path_info = pathinfo( $file_name ); |
| 529 |
$file_name = $path_info['filename'] . '-' . $counter; |
| 530 |
if ( ! empty( $path_info['extension'] ) ) { |
| 531 |
$file_name .= '.' . $path_info['extension']; |
| 532 |
} |
| 533 |
$file_path = $paths['basedir'] . '/' . $file_name; |
| 534 |
++$counter; |
| 535 |
} |
| 536 |
|
| 537 |
// Move file to destination. |
| 538 |
if ( ! $wp_filesystem->move( $tmp_file, $file_path, true ) ) { |
| 539 |
\wp_delete_file( $tmp_file ); |
| 540 |
return new \WP_Error( 'file_move_failed', \__( 'Failed to move file to destination.', 'activitypub' ) ); |
| 541 |
} |
| 542 |
|
| 543 |
// Get mime type and validate file. |
| 544 |
$file_info = \wp_check_filetype_and_ext( $file_path, $file_name ); |
| 545 |
$mime_type = $file_info['type'] ?? $attachment_data['mediaType'] ?? ''; |
| 546 |
|
| 547 |
return array( |
| 548 |
'url' => $paths['baseurl'] . '/' . $file_name, |
| 549 |
'mime_type' => $mime_type, |
| 550 |
'alt' => $attachment_data['name'] ?? '', |
| 551 |
); |
| 552 |
} |
| 553 |
|
| 554 |
/** |
| 555 |
* Append media to post content. |
| 556 |
* |
| 557 |
* @param int $post_id The post ID. |
| 558 |
* @param int[] $attachment_ids Array of attachment IDs. |
| 559 |
*/ |
| 560 |
private static function append_media_to_post_content( $post_id, $attachment_ids ) { |
| 561 |
$post = \get_post( $post_id ); |
| 562 |
if ( ! $post ) { |
| 563 |
return; |
| 564 |
} |
| 565 |
|
| 566 |
$media = self::generate_media_markup( $attachment_ids ); |
| 567 |
$separator = empty( trim( $post->post_content ) ) ? '' : "\n\n"; |
| 568 |
|
| 569 |
\wp_update_post( |
| 570 |
array( |
| 571 |
'ID' => $post_id, |
| 572 |
'post_content' => $post->post_content . $separator . $media, |
| 573 |
) |
| 574 |
); |
| 575 |
} |
| 576 |
|
| 577 |
/** |
| 578 |
* Append file-based media to content. |
| 579 |
* |
| 580 |
* @param int $object_id The post or comment ID. |
| 581 |
* @param array[] $files Array of file data arrays. |
| 582 |
* @param string $object_type The object type ('post' or 'comment'). |
| 583 |
*/ |
| 584 |
private static function append_files_to_content( $object_id, $files, $object_type ) { |
| 585 |
$content = self::get_object_content( $object_id, $object_type ); |
| 586 |
if ( empty( $content ) ) { |
| 587 |
return; |
| 588 |
} |
| 589 |
|
| 590 |
$media = self::generate_files_markup( $files ); |
| 591 |
$separator = empty( trim( $content ) ) ? '' : "\n\n"; |
| 592 |
|
| 593 |
self::update_object_content( $object_id, $object_type, $content . $separator . $media ); |
| 594 |
} |
| 595 |
|
| 596 |
/** |
| 597 |
* Generate media markup for attachments. |
| 598 |
* |
| 599 |
* @param int[] $attachment_ids Array of attachment IDs. |
| 600 |
* |
| 601 |
* @return string The generated markup. |
| 602 |
*/ |
| 603 |
private static function generate_media_markup( $attachment_ids ) { |
| 604 |
if ( empty( $attachment_ids ) ) { |
| 605 |
return ''; |
| 606 |
} |
| 607 |
|
| 608 |
/** |
| 609 |
* Filters the media markup for ActivityPub attachments. |
| 610 |
* |
| 611 |
* Allows plugins to provide custom markup for attachments. |
| 612 |
* If this filter returns a non-empty string, it will be used instead of |
| 613 |
* the default block markup. |
| 614 |
* |
| 615 |
* @param string $markup The custom markup. Default empty string. |
| 616 |
* @param int[] $attachment_ids Array of attachment IDs. |
| 617 |
*/ |
| 618 |
$custom_markup = \apply_filters( 'activitypub_attachments_media_markup', '', $attachment_ids ); |
| 619 |
|
| 620 |
if ( ! empty( $custom_markup ) ) { |
| 621 |
return $custom_markup; |
| 622 |
} |
| 623 |
|
| 624 |
// Default to block markup. |
| 625 |
$type = strtok( \get_post_mime_type( $attachment_ids[0] ), '/' ); |
| 626 |
|
| 627 |
// Single video or audio file. |
| 628 |
if ( 1 === \count( $attachment_ids ) && ( 'video' === $type || 'audio' === $type ) ) { |
| 629 |
return sprintf( |
| 630 |
'<!-- wp:%1$s {"id":"%2$s"} --><figure class="wp-block-%1$s"><%1$s controls src="%3$s"></%1$s></figure><!-- /wp:%1$s -->', |
| 631 |
\esc_attr( $type ), |
| 632 |
\esc_attr( $attachment_ids[0] ), |
| 633 |
\esc_url( \wp_get_attachment_url( $attachment_ids[0] ) ) |
| 634 |
); |
| 635 |
} |
| 636 |
|
| 637 |
// Single image: use standalone image block. |
| 638 |
if ( 1 === \count( $attachment_ids ) && 'image' === $type ) { |
| 639 |
return self::get_image_block( $attachment_ids[0] ); |
| 640 |
} |
| 641 |
|
| 642 |
// Multiple attachments: use gallery block. |
| 643 |
return self::get_gallery_block( $attachment_ids ); |
| 644 |
} |
| 645 |
|
| 646 |
/** |
| 647 |
* Generate media markup for file-based attachments. |
| 648 |
* |
| 649 |
* @param array[] $files { |
| 650 |
* Array of file data arrays. |
| 651 |
* |
| 652 |
* @type string $url Full URL to the file. |
| 653 |
* @type string $mime_type MIME type of the file. |
| 654 |
* @type string $alt Alt text for the file. |
| 655 |
* } |
| 656 |
* |
| 657 |
* @return string The generated markup. |
| 658 |
*/ |
| 659 |
private static function generate_files_markup( $files ) { |
| 660 |
if ( empty( $files ) ) { |
| 661 |
return ''; |
| 662 |
} |
| 663 |
|
| 664 |
/** |
| 665 |
* Filters the media markup for ActivityPub file-based attachments. |
| 666 |
* |
| 667 |
* Allows plugins to provide custom markup for file-based attachments. |
| 668 |
* If this filter returns a non-empty string, it will be used instead of |
| 669 |
* the default block markup. |
| 670 |
* |
| 671 |
* @param string $markup The custom markup. Default empty string. |
| 672 |
* @param array $files Array of file data arrays. |
| 673 |
*/ |
| 674 |
$custom_markup = \apply_filters( 'activitypub_files_media_markup', '', $files ); |
| 675 |
|
| 676 |
if ( ! empty( $custom_markup ) ) { |
| 677 |
return $custom_markup; |
| 678 |
} |
| 679 |
|
| 680 |
// Default to block markup. |
| 681 |
$type = strtok( $files[0]['mime_type'], '/' ); |
| 682 |
|
| 683 |
// Single video or audio file. |
| 684 |
if ( 1 === \count( $files ) && ( 'video' === $type || 'audio' === $type ) ) { |
| 685 |
return sprintf( |
| 686 |
'<!-- wp:%1$s --><figure class="wp-block-%1$s"><%1$s controls src="%2$s"></%1$s></figure><!-- /wp:%1$s -->', |
| 687 |
\esc_attr( $type ), |
| 688 |
\esc_url( $files[0]['url'] ) |
| 689 |
); |
| 690 |
} |
| 691 |
|
| 692 |
// Single image: use standalone image block. |
| 693 |
if ( 1 === \count( $files ) && 'image' === $type ) { |
| 694 |
return self::get_files_image_block( $files[0] ); |
| 695 |
} |
| 696 |
|
| 697 |
// Multiple attachments: use gallery block. |
| 698 |
return self::get_files_gallery_block( $files ); |
| 699 |
} |
| 700 |
|
| 701 |
/** |
| 702 |
* Get standalone image block markup for file-based attachments. |
| 703 |
* |
| 704 |
* @param array $file { |
| 705 |
* File data array. |
| 706 |
* |
| 707 |
* @type string $url Full URL to the file. |
| 708 |
* @type string $mime_type MIME type of the file. |
| 709 |
* @type string $alt Alt text for the file. |
| 710 |
* } |
| 711 |
* |
| 712 |
* @return string The image block markup. |
| 713 |
*/ |
| 714 |
private static function get_files_image_block( $file ) { |
| 715 |
$block = '<!-- wp:image {"sizeSlug":"large","linkDestination":"none"} -->' . "\n"; |
| 716 |
$block .= '<figure class="wp-block-image size-large">'; |
| 717 |
$block .= '<img src="' . \esc_url( $file['url'] ) . '" alt="' . \esc_attr( $file['alt'] ) . '"/>'; |
| 718 |
$block .= '</figure>' . "\n"; |
| 719 |
$block .= '<!-- /wp:image -->'; |
| 720 |
|
| 721 |
return $block; |
| 722 |
} |
| 723 |
|
| 724 |
/** |
| 725 |
* Get standalone image block markup. |
| 726 |
* |
| 727 |
* @param int $attachment_id The attachment ID. |
| 728 |
* |
| 729 |
* @return string The image block markup. |
| 730 |
*/ |
| 731 |
private static function get_image_block( $attachment_id ) { |
| 732 |
$image_src = \wp_get_attachment_image_src( $attachment_id, 'large' ); |
| 733 |
if ( ! $image_src ) { |
| 734 |
return ''; |
| 735 |
} |
| 736 |
|
| 737 |
$alt = \get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ); |
| 738 |
if ( ! $alt ) { |
| 739 |
$alt = \get_post_field( 'post_excerpt', $attachment_id ); |
| 740 |
} |
| 741 |
|
| 742 |
$block = '<!-- wp:image {"id":' . \esc_attr( $attachment_id ) . ',"sizeSlug":"large","linkDestination":"none"} -->' . "\n"; |
| 743 |
$block .= '<figure class="wp-block-image size-large">'; |
| 744 |
$block .= '<img src="' . \esc_url( $image_src[0] ) . '" alt="' . \esc_attr( $alt ) . '" class="' . \esc_attr( 'wp-image-' . $attachment_id ) . '"/>'; |
| 745 |
$block .= '</figure>' . "\n"; |
| 746 |
$block .= '<!-- /wp:image -->'; |
| 747 |
|
| 748 |
return $block; |
| 749 |
} |
| 750 |
|
| 751 |
/** |
| 752 |
* Get gallery block markup. |
| 753 |
* |
| 754 |
* @param int[] $attachment_ids The attachment IDs to use. |
| 755 |
* |
| 756 |
* @return string The gallery block markup. |
| 757 |
*/ |
| 758 |
private static function get_gallery_block( $attachment_ids ) { |
| 759 |
$gallery = '<!-- wp:gallery {"columns":2,"linkTo":"none","sizeSlug":"large","imageCrop":true} -->' . "\n"; |
| 760 |
$gallery .= '<figure class="wp-block-gallery has-nested-images columns-2 is-cropped">'; |
| 761 |
|
| 762 |
foreach ( $attachment_ids as $id ) { |
| 763 |
$image_src = \wp_get_attachment_image_src( $id, 'large' ); |
| 764 |
if ( ! $image_src ) { |
| 765 |
continue; |
| 766 |
} |
| 767 |
|
| 768 |
$alt = \get_post_meta( $id, '_wp_attachment_image_alt', true ); |
| 769 |
if ( ! $alt ) { |
| 770 |
$alt = \get_post_field( 'post_excerpt', $id ); |
| 771 |
} |
| 772 |
|
| 773 |
$gallery .= "\n" . '<!-- wp:image {"id":' . \esc_attr( $id ) . ',"sizeSlug":"large","linkDestination":"none"} -->' . "\n"; |
| 774 |
$gallery .= '<figure class="wp-block-image size-large">'; |
| 775 |
$gallery .= '<img src="' . \esc_url( $image_src[0] ) . '" alt="' . \esc_attr( $alt ) . '" class="' . \esc_attr( 'wp-image-' . $id ) . '"/>'; |
| 776 |
$gallery .= '</figure>'; |
| 777 |
$gallery .= "\n<!-- /wp:image -->\n"; |
| 778 |
} |
| 779 |
|
| 780 |
$gallery .= "</figure>\n"; |
| 781 |
$gallery .= '<!-- /wp:gallery -->'; |
| 782 |
|
| 783 |
return $gallery; |
| 784 |
} |
| 785 |
|
| 786 |
/** |
| 787 |
* Get gallery block markup for file-based attachments. |
| 788 |
* |
| 789 |
* @param array[] $files { |
| 790 |
* Array of file data arrays. |
| 791 |
* |
| 792 |
* @type string $url Full URL to the file. |
| 793 |
* @type string $mime_type MIME type of the file. |
| 794 |
* @type string $alt Alt text for the file. |
| 795 |
* } |
| 796 |
* |
| 797 |
* @return string The gallery block markup. |
| 798 |
*/ |
| 799 |
private static function get_files_gallery_block( $files ) { |
| 800 |
$gallery = '<!-- wp:gallery {"columns":2,"linkTo":"none","imageCrop":true} -->' . "\n"; |
| 801 |
$gallery .= '<figure class="wp-block-gallery has-nested-images columns-2 is-cropped">'; |
| 802 |
|
| 803 |
foreach ( $files as $file ) { |
| 804 |
$gallery .= "\n<!-- wp:image {\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n"; |
| 805 |
$gallery .= '<figure class="wp-block-image size-large">'; |
| 806 |
$gallery .= '<img src="' . \esc_url( $file['url'] ) . '" alt="' . \esc_attr( $file['alt'] ) . '"/>'; |
| 807 |
$gallery .= '</figure>'; |
| 808 |
$gallery .= "\n<!-- /wp:image -->\n"; |
| 809 |
} |
| 810 |
|
| 811 |
$gallery .= "</figure>\n"; |
| 812 |
$gallery .= '<!-- /wp:gallery -->'; |
| 813 |
|
| 814 |
return $gallery; |
| 815 |
} |
| 816 |
} |
| 817 |
|
