| 1 |
<?php |
| 2 |
/** |
| 3 |
* Friends ActivityPub Parser |
| 4 |
* |
| 5 |
* With this parser, we can talk to ActivityPub. |
| 6 |
* |
| 7 |
* @since @2.1.4 |
| 8 |
* |
| 9 |
* @package Friends |
| 10 |
* @author Alex Kirk |
| 11 |
*/ |
| 12 |
|
| 13 |
namespace Friends; |
| 14 |
|
| 15 |
use WP_Error; |
| 16 |
|
| 17 |
/** |
| 18 |
* This is the class for integrating ActivityPub into the Friends Plugin. |
| 19 |
*/ |
| 20 |
class Feed_Parser_ActivityPub extends Feed_Parser_V2 { |
| 21 |
const SLUG = 'activitypub'; |
| 22 |
const NAME = 'ActivityPub'; |
| 23 |
const URL = 'https://www.w3.org/TR/activitypub/'; |
| 24 |
const ACTIVITYPUB_USERNAME_REGEXP = '(?:([A-Za-z0-9_-]+)@((?:[A-Za-z0-9_-]+\.)+[A-Za-z]+))'; |
| 25 |
const EXTERNAL_MENTIONS_USERNAME = 'external-mentions'; |
| 26 |
|
| 27 |
private $friends_feed; |
| 28 |
|
| 29 |
/** |
| 30 |
* Constructor. |
| 31 |
* |
| 32 |
* @param Feed $friends_feed The friends feed. |
| 33 |
*/ |
| 34 |
public function __construct( Feed $friends_feed ) { |
| 35 |
$this->friends_feed = $friends_feed; |
| 36 |
|
| 37 |
\add_action( 'init', array( $this, 'register_post_meta' ) ); |
| 38 |
\add_action( 'admin_menu', array( $this, 'admin_menu' ), 20 ); |
| 39 |
\add_filter( 'feed_item_allow_set_metadata', array( $this, 'feed_item_allow_set_metadata' ), 10, 3 ); |
| 40 |
\add_filter( 'friends_add_friends_input_placeholder', array( $this, 'friends_add_friends_input_placeholder' ) ); |
| 41 |
\add_action( 'friends_add_friend_form_top', array( $this, 'friends_add_friend_form_top' ) ); |
| 42 |
|
| 43 |
\add_action( 'activitypub_inbox', array( $this, 'handle_received_activity' ), 10, 3 ); |
| 44 |
\add_action( 'friends_user_feed_activated', array( $this, 'queue_follow_user' ), 10 ); |
| 45 |
\add_action( 'friends_user_feed_deactivated', array( $this, 'queue_unfollow_user' ), 10 ); |
| 46 |
\add_action( 'friends_feed_parser_activitypub_follow', array( $this, 'activitypub_follow_user' ), 10, 2 ); |
| 47 |
\add_action( 'friends_feed_parser_activitypub_unfollow', array( $this, 'activitypub_unfollow_user' ), 10, 2 ); |
| 48 |
\add_action( 'friends_feed_parser_activitypub_like', array( $this, 'activitypub_like_post' ), 10, 3 ); |
| 49 |
\add_action( 'friends_feed_parser_activitypub_unlike', array( $this, 'activitypub_unlike_post' ), 10, 3 ); |
| 50 |
\add_action( 'friends_feed_parser_activitypub_announce', array( $this, 'activitypub_announce' ), 10, 2 ); |
| 51 |
\add_action( 'friends_feed_parser_activitypub_unannounce', array( $this, 'activitypub_unannounce' ), 10, 2 ); |
| 52 |
\add_filter( 'friends_rewrite_incoming_url', array( $this, 'friends_webfinger_resolve' ), 10, 2 ); |
| 53 |
|
| 54 |
\add_filter( 'friends_edit_friend_table_end', array( $this, 'activitypub_settings' ), 10 ); |
| 55 |
\add_filter( 'friends_edit_friend_after_form_submit', array( $this, 'activitypub_save_settings' ), 10 ); |
| 56 |
\add_filter( 'friends_modify_feed_item', array( $this, 'modify_incoming_item' ), 9, 3 ); |
| 57 |
\add_filter( 'friends_potential_avatars', array( $this, 'friends_potential_avatars' ), 10, 2 ); |
| 58 |
\add_filter( 'friends_suggest_user_login', array( $this, 'suggest_user_login' ), 10, 2 ); |
| 59 |
|
| 60 |
\add_filter( 'the_content', array( $this, 'the_content' ), 99, 2 ); |
| 61 |
\add_filter( 'activitypub_extract_mentions', array( $this, 'activitypub_extract_mentions' ), 10, 2 ); |
| 62 |
\add_filter( 'mastodon_api_external_mentions_user', array( $this, 'get_external_mentions_user' ) ); |
| 63 |
\add_filter( 'activitypub_post', array( $this, 'activitypub_post_in_reply_to' ), 10, 2 ); |
| 64 |
\add_filter( 'activitypub_activity_object_array', array( $this, 'activitypub_activity_object_array_in_reply_to' ), 10, 3 ); |
| 65 |
|
| 66 |
\add_action( 'friends_user_post_reaction', array( $this, 'post_reaction' ) ); |
| 67 |
\add_action( 'friends_user_post_undo_reaction', array( $this, 'undo_post_reaction' ) ); |
| 68 |
\add_action( 'mastodon_api_react', array( $this, 'mastodon_api_react' ), 10, 2 ); |
| 69 |
\add_action( 'mastodon_api_unreact', array( $this, 'mastodon_api_unreact' ), 10, 2 ); |
| 70 |
\add_action( 'friends_get_reaction_display_name', array( $this, 'get_reaction_display_name' ), 10, 2 ); |
| 71 |
|
| 72 |
\add_filter( 'pre_comment_approved', array( $this, 'pre_comment_approved' ), 10, 2 ); |
| 73 |
\add_action( 'comment_post', array( $this, 'comment_post' ), 10, 3 ); |
| 74 |
\add_action( 'trashed_comment', array( $this, 'trashed_comment' ), 10, 2 ); |
| 75 |
|
| 76 |
\add_filter( 'friends_reblog_button_label', array( $this, 'friends_reblog_button_label' ), 10, 2 ); |
| 77 |
|
| 78 |
\add_filter( 'friends_reblog', array( $this, 'unqueue_activitypub_create' ), 9 ); |
| 79 |
\add_action( 'mastodon_api_reblog', array( $this, 'mastodon_api_reblog' ) ); |
| 80 |
\add_action( 'mastodon_api_unreblog', array( $this, 'mastodon_api_unreblog' ) ); |
| 81 |
\add_filter( 'friends_reblog', array( $this, 'reblog' ), 20, 2 ); |
| 82 |
\add_filter( 'friends_unreblog', array( $this, 'unreblog' ), 20, 2 ); |
| 83 |
\add_filter( 'friends_reblog', array( $this, 'maybe_unqueue_friends_reblog_post' ), 9, 2 ); |
| 84 |
|
| 85 |
\add_filter( 'pre_get_remote_metadata_by_actor', array( $this, 'disable_webfinger_for_example_domains' ), 9, 2 ); |
| 86 |
|
| 87 |
add_filter( 'friends_get_feed_metadata', array( $this, 'friends_get_feed_metadata' ), 10, 2 ); |
| 88 |
add_filter( 'friends_get_activitypub_metadata', array( $this, 'friends_activitypub_metadata' ), 10, 2 ); |
| 89 |
} |
| 90 |
|
| 91 |
/** |
| 92 |
* Add the admin menu to the sidebar. |
| 93 |
*/ |
| 94 |
public function admin_menu() { |
| 95 |
$friends = Friends::get_instance(); |
| 96 |
$unread_badge = $friends->admin->get_unread_badge(); |
| 97 |
|
| 98 |
$menu_title = __( 'Friends', 'friends' ) . $unread_badge; |
| 99 |
$page_type = sanitize_title( $menu_title ); |
| 100 |
|
| 101 |
add_submenu_page( |
| 102 |
'friends', |
| 103 |
__( 'ActivityPub', 'friends' ), |
| 104 |
__( 'ActivityPub', 'friends' ), |
| 105 |
Friends::required_menu_role(), |
| 106 |
'friends-activitypub-settings', |
| 107 |
array( $this, 'settings' ) |
| 108 |
); |
| 109 |
|
| 110 |
add_action( 'load-' . $page_type . '_page_friends-activitypub-settings', array( $this, 'process_settings' ) ); |
| 111 |
} |
| 112 |
|
| 113 |
public function settings() { |
| 114 |
Friends::template_loader()->get_template_part( |
| 115 |
'admin/settings-header', |
| 116 |
null, |
| 117 |
array( |
| 118 |
'menu' => array( |
| 119 |
__( 'ActivityPub Settings', 'friends' ) => 'friends-activitypub-settings', |
| 120 |
), |
| 121 |
'active' => 'friends-activitypub-settings', |
| 122 |
'title' => __( 'Friends', 'friends' ), |
| 123 |
) |
| 124 |
); |
| 125 |
|
| 126 |
if ( isset( $_GET['updated'] ) ) { |
| 127 |
?> |
| 128 |
<div id="message" class="updated notice is-dismissible"><p><?php esc_html_e( 'Settings were updated.', 'friends' ); ?></p></div> |
| 129 |
<?php |
| 130 |
} elseif ( isset( $_GET['error'] ) ) { |
| 131 |
?> |
| 132 |
<div id="message" class="updated error is-dismissible"><p><?php esc_html_e( 'An error occurred.', 'friends' ); ?></p></div> |
| 133 |
<?php |
| 134 |
} |
| 135 |
|
| 136 |
Friends::template_loader()->get_template_part( |
| 137 |
'admin/activitypub-settings', |
| 138 |
null, |
| 139 |
array( |
| 140 |
'reblog' => ! get_user_option( 'friends_activitypub_dont_reblog' ), |
| 141 |
) |
| 142 |
); |
| 143 |
|
| 144 |
Friends::template_loader()->get_template_part( 'admin/settings-footer' ); |
| 145 |
} |
| 146 |
|
| 147 |
public function process_settings() { |
| 148 |
if ( empty( $_POST ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'friends-activitypub-settings' ) ) { |
| 149 |
return; |
| 150 |
} |
| 151 |
|
| 152 |
if ( isset( $_POST['activitypub_reblog'] ) ) { |
| 153 |
delete_user_option( get_current_user_id(), 'friends_activitypub_dont_reblog' ); |
| 154 |
} else { |
| 155 |
update_user_option( get_current_user_id(), 'friends_activitypub_dont_reblog', true ); |
| 156 |
} |
| 157 |
wp_safe_redirect( add_query_arg( 'updated', 'true', admin_url( 'admin.php?page=friends-activitypub-settings' ) ) ); |
| 158 |
exit; |
| 159 |
} |
| 160 |
|
| 161 |
public function friends_add_friends_input_placeholder() { |
| 162 |
return __( 'Enter URL or @activitypub@handle.domain', 'friends' ); |
| 163 |
} |
| 164 |
|
| 165 |
public function friends_add_friend_form_top() { |
| 166 |
?> |
| 167 |
<p> |
| 168 |
<?php |
| 169 |
echo wp_kses( |
| 170 |
sprintf( |
| 171 |
// translators: %1$s and %2$s are links to the respective services. |
| 172 |
__( '<strong>Note:</strong> Because you have the ActivityPub plugin installed, you can also follow people over that protocol, for example <a href=%1$s>Mastodon</a> or <a href=%2$s>Pixelfed</a>.', 'friends' ), |
| 173 |
'"https://joinmastodon.org/"', |
| 174 |
'"https://pixelfed.social/"' |
| 175 |
), |
| 176 |
array( |
| 177 |
'a' => array( 'href' => array() ), |
| 178 |
'strong' => array(), |
| 179 |
) |
| 180 |
); |
| 181 |
?> |
| 182 |
</p> |
| 183 |
<?php |
| 184 |
} |
| 185 |
|
| 186 |
public function friends_get_feed_metadata( $meta, $feed ) { |
| 187 |
if ( self::SLUG === $feed->get_parser() ) { |
| 188 |
return $this->friends_activitypub_metadata( $meta, $feed->get_url() ); |
| 189 |
} |
| 190 |
return $meta; |
| 191 |
} |
| 192 |
|
| 193 |
public function friends_activitypub_metadata( $ret, $url ) { |
| 194 |
$meta = self::get_metadata( $url ); |
| 195 |
if ( is_null( $meta ) ) { |
| 196 |
return $ret; |
| 197 |
} |
| 198 |
if ( is_wp_error( $meta ) ) { |
| 199 |
if ( ! empty( $ret ) ) { |
| 200 |
return $ret; |
| 201 |
} |
| 202 |
return $meta; |
| 203 |
} |
| 204 |
return array_merge( $ret, $meta ); |
| 205 |
} |
| 206 |
|
| 207 |
public function register_post_meta() { |
| 208 |
register_post_meta( |
| 209 |
Friends::CPT, |
| 210 |
self::SLUG, |
| 211 |
array( |
| 212 |
'show_in_rest' => true, |
| 213 |
'single' => true, |
| 214 |
'type' => 'object', |
| 215 |
) |
| 216 |
); |
| 217 |
} |
| 218 |
|
| 219 |
public function feed_item_allow_set_metadata( $verdict, $key, $value ) { |
| 220 |
if ( self::SLUG === $key && ! empty( $value ) ) { |
| 221 |
// We don't want to insert empty post meta. |
| 222 |
return true; |
| 223 |
} |
| 224 |
return $verdict; |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Allow logging a message via an action. |
| 229 |
* |
| 230 |
* @param string $message The message to log. |
| 231 |
* @param array $objects Optional objects as meta data. |
| 232 |
* @return void |
| 233 |
*/ |
| 234 |
private function log( $message, $objects = array() ) { |
| 235 |
// Receive debug messages from the ActivityPub feed parser. |
| 236 |
do_action( 'friends_activitypub_log', $message, $objects ); |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* Determines if this is a supported feed and to what degree we feel it's supported. |
| 241 |
* |
| 242 |
* @param string $url The url. |
| 243 |
* @param string $mime_type The mime type. |
| 244 |
* @param string $title The title. |
| 245 |
* @param string|null $content The content, it can't be assumed that it's always available. |
| 246 |
* |
| 247 |
* @return int Return 0 if unsupported, a positive value representing the confidence for the feed, use 10 if you're reasonably confident. |
| 248 |
*/ |
| 249 |
public function feed_support_confidence( $url, $mime_type, $title, $content = null ) { |
| 250 |
if ( preg_match( '/^@?[^@]+@((?:[a-z0-9-]+\.)+[a-z]+)$/i', $url ) ) { |
| 251 |
return 10; |
| 252 |
} |
| 253 |
|
| 254 |
if ( 'application/activity+json' === $mime_type ) { |
| 255 |
return 10; |
| 256 |
} |
| 257 |
|
| 258 |
if ( preg_match( '#^https?://[^/]+/@[a-z0-9-]+$#i', $url ) ) { |
| 259 |
return 9; |
| 260 |
} |
| 261 |
|
| 262 |
if ( preg_match( '#^https?://[^/]+/(users|author)/[a-z0-9-]+$#i', $url ) ) { |
| 263 |
return 8; |
| 264 |
} |
| 265 |
|
| 266 |
return 0; |
| 267 |
} |
| 268 |
|
| 269 |
/** |
| 270 |
* Format the feed title and autoselect the posts feed. |
| 271 |
* |
| 272 |
* @param array $feed_details The feed details. |
| 273 |
* |
| 274 |
* @return array The (potentially) modified feed details. |
| 275 |
*/ |
| 276 |
public function update_feed_details( $feed_details ) { |
| 277 |
$meta = apply_filters( 'friends_get_activitypub_metadata', array(), $feed_details['url'] ); |
| 278 |
if ( ! $meta || is_wp_error( $meta ) ) { |
| 279 |
return $feed_details; |
| 280 |
} |
| 281 |
if ( isset( $meta['name'] ) ) { |
| 282 |
$feed_details['title'] = $meta['name']; |
| 283 |
} elseif ( isset( $meta['preferredUsername'] ) ) { |
| 284 |
$feed_details['title'] = $meta['preferredUsername']; |
| 285 |
} |
| 286 |
|
| 287 |
if ( isset( $meta['id'] ) ) { |
| 288 |
$feed_details['url'] = $meta['id']; |
| 289 |
} |
| 290 |
|
| 291 |
if ( isset( $meta['icon']['type'] ) && 'image' === strtolower( $meta['icon']['type'] ) ) { |
| 292 |
$feed_details['avatar'] = $meta['icon']['url']; |
| 293 |
} |
| 294 |
|
| 295 |
if ( ! empty( $meta['summary'] ) ) { |
| 296 |
$feed_details['description'] = $meta['summary']; |
| 297 |
} |
| 298 |
|
| 299 |
// Disable polling. |
| 300 |
$feed_details['interval'] = YEAR_IN_SECONDS; |
| 301 |
$feed_details['next-poll'] = gmdate( 'Y-m-d H:i:s', time() + YEAR_IN_SECONDS ); |
| 302 |
$feed_details['post-format'] = 'status'; |
| 303 |
|
| 304 |
return $feed_details; |
| 305 |
} |
| 306 |
|
| 307 |
/** |
| 308 |
* Rewrite a Mastodon style URL @username@server to a URL via webfinger. |
| 309 |
* |
| 310 |
* @param string $url The URL to filter. |
| 311 |
* @param string $incoming_url Potentially a mastodon identifier. |
| 312 |
* |
| 313 |
* @return string The rewritten URL. |
| 314 |
*/ |
| 315 |
public function friends_webfinger_resolve( $url, $incoming_url ) { |
| 316 |
if ( preg_match( '/^@?' . self::ACTIVITYPUB_USERNAME_REGEXP . '$/i', $incoming_url ) ) { |
| 317 |
$resolved_url = \Activitypub\Webfinger::resolve( $incoming_url ); |
| 318 |
if ( ! is_wp_error( $resolved_url ) ) { |
| 319 |
return $resolved_url; |
| 320 |
} |
| 321 |
} |
| 322 |
return $url; |
| 323 |
} |
| 324 |
|
| 325 |
public static function get_metadata( $url ) { |
| 326 |
if ( ! is_string( $url ) ) { |
| 327 |
return array(); |
| 328 |
} |
| 329 |
|
| 330 |
if ( false !== strpos( $url, '@' ) ) { |
| 331 |
if ( false === strpos( $url, '/' ) && preg_match( '#^https?://#', $url, $m ) ) { |
| 332 |
$url = substr( $url, strlen( $m[0] ) ); |
| 333 |
} |
| 334 |
return \Activitypub\get_remote_metadata_by_actor( $url ); |
| 335 |
} |
| 336 |
|
| 337 |
$transient_key = 'friends_activitypub_' . crc32( $url ); |
| 338 |
|
| 339 |
$response = \get_transient( $transient_key ); |
| 340 |
if ( $response ) { |
| 341 |
return $response; |
| 342 |
} |
| 343 |
|
| 344 |
$response = \wp_remote_get( |
| 345 |
$url, |
| 346 |
array( |
| 347 |
'headers' => array( 'Accept' => 'application/activity+json' ), |
| 348 |
'redirection' => 2, |
| 349 |
'timeout' => 5, |
| 350 |
) |
| 351 |
); |
| 352 |
|
| 353 |
if ( \is_wp_error( $response ) ) { |
| 354 |
\set_transient( $transient_key, $response, HOUR_IN_SECONDS ); // Cache the error for a shorter period. |
| 355 |
return $response; |
| 356 |
} |
| 357 |
|
| 358 |
if ( \is_wp_error( $response ) ) { |
| 359 |
\set_transient( $transient_key, $response, HOUR_IN_SECONDS ); // Cache the error for a shorter period. |
| 360 |
return $response; |
| 361 |
} |
| 362 |
|
| 363 |
$body = \wp_remote_retrieve_body( $response ); |
| 364 |
$body = \json_decode( $body, true ); |
| 365 |
|
| 366 |
\set_transient( $transient_key, $body, HOUR_IN_SECONDS ); // Cache the error for a shorter period. |
| 367 |
|
| 368 |
return $body; |
| 369 |
} |
| 370 |
/** |
| 371 |
* Discover the feeds available at the URL specified. |
| 372 |
* |
| 373 |
* @param string $content The content for the URL is already provided here. |
| 374 |
* @param string $url The url to search. |
| 375 |
* |
| 376 |
* @return array A list of supported feeds at the URL. |
| 377 |
*/ |
| 378 |
public function discover_available_feeds( $content, $url ) { |
| 379 |
$discovered_feeds = array(); |
| 380 |
|
| 381 |
$meta = self::get_metadata( $url ); |
| 382 |
if ( $meta && ! is_wp_error( $meta ) ) { |
| 383 |
$discovered_feeds[ $meta['id'] ] = array( |
| 384 |
'type' => 'application/activity+json', |
| 385 |
'rel' => 'self', |
| 386 |
'post-format' => 'status', |
| 387 |
'parser' => self::SLUG, |
| 388 |
'autoselect' => true, |
| 389 |
); |
| 390 |
} |
| 391 |
|
| 392 |
return $discovered_feeds; |
| 393 |
} |
| 394 |
|
| 395 |
/** |
| 396 |
* Fetches a feed and returns the processed items. |
| 397 |
* |
| 398 |
* @param string $url The url. |
| 399 |
* @param User_Feed $user_feed The user feed. |
| 400 |
* |
| 401 |
* @return array An array of feed items. |
| 402 |
*/ |
| 403 |
public function fetch_feed( $url, User_Feed $user_feed = null ) { |
| 404 |
if ( $user_feed ) { |
| 405 |
$this->disable_polling( $user_feed ); |
| 406 |
} |
| 407 |
|
| 408 |
// This is only for previwing. |
| 409 |
if ( wp_doing_cron() ) { |
| 410 |
return array(); |
| 411 |
} |
| 412 |
|
| 413 |
$meta = self::get_metadata( $url ); |
| 414 |
if ( is_wp_error( $meta ) || ! isset( $meta['outbox'] ) ) { |
| 415 |
return array(); |
| 416 |
} |
| 417 |
|
| 418 |
$response = \Activitypub\safe_remote_get( $meta['outbox'], Friends::get_main_friend_user_id() ); |
| 419 |
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 420 |
return new \WP_Error( 'activitypub_could_not_get_outbox_meta', null, compact( 'meta', 'url' ) ); |
| 421 |
} |
| 422 |
|
| 423 |
$outbox = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 424 |
if ( ! isset( $outbox['first'] ) ) { |
| 425 |
return new \WP_Error( 'activitypub_could_not_find_outbox_first_page', null, compact( 'url', 'meta', 'outbox' ) ); |
| 426 |
} |
| 427 |
|
| 428 |
$response = \Activitypub\safe_remote_get( $outbox['first'], Friends::get_main_friend_user_id() ); |
| 429 |
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 430 |
return new \WP_Error( |
| 431 |
'activitypub_could_not_get_outbox', |
| 432 |
null, |
| 433 |
array( |
| 434 |
'meta' => $outbox, |
| 435 |
$url => $outbox['first'], |
| 436 |
) |
| 437 |
); |
| 438 |
} |
| 439 |
$outbox_page = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 440 |
if ( ! isset( $outbox_page['type'] ) || 'OrderedCollectionPage' !== $outbox_page['type'] ) { |
| 441 |
return new \WP_Error( |
| 442 |
'activitypub_outbox_page_invalid_type', |
| 443 |
null, |
| 444 |
array( |
| 445 |
'outbox_page' => $outbox_page, |
| 446 |
$url => $outbox['first'], |
| 447 |
) |
| 448 |
); |
| 449 |
} |
| 450 |
|
| 451 |
$items = array(); |
| 452 |
foreach ( $outbox_page['orderedItems'] as $object ) { |
| 453 |
$type = strtolower( $object['type'] ); |
| 454 |
$items[] = $this->process_incoming_activity( $type, $object, get_current_user_id(), $user_feed ); |
| 455 |
} |
| 456 |
|
| 457 |
return $items; |
| 458 |
} |
| 459 |
|
| 460 |
public function suggest_user_login( $login, $url ) { |
| 461 |
if ( preg_match( '#^https?://([^/]+)/users/([^/]+)#', $url, $m ) ) { |
| 462 |
return $m[2] . '-' . $m[1]; |
| 463 |
} |
| 464 |
return $login; |
| 465 |
} |
| 466 |
/** |
| 467 |
* Disable polling for this feed. |
| 468 |
* |
| 469 |
* @param User_Feed $user_feed The user feed. |
| 470 |
* @return void |
| 471 |
*/ |
| 472 |
private function disable_polling( User_Feed $user_feed ) { |
| 473 |
$user_feed->update_metadata( 'interval', YEAR_IN_SECONDS ); |
| 474 |
$user_feed->update_metadata( 'next-poll', gmdate( 'Y-m-d H:i:s', time() + YEAR_IN_SECONDS ) ); |
| 475 |
} |
| 476 |
|
| 477 |
/** |
| 478 |
* Gets the external mentions user. |
| 479 |
* |
| 480 |
* @return User The external mentions user. |
| 481 |
*/ |
| 482 |
public function get_external_mentions_user() { |
| 483 |
$external_mentions_username = apply_filters( 'friends_external_mentions_username', self::EXTERNAL_MENTIONS_USERNAME ); |
| 484 |
$user = get_user_by( 'login', $external_mentions_username ); |
| 485 |
if ( ! $user ) { |
| 486 |
$user = Subscription::create( $external_mentions_username, 'subscription', home_url(), __( 'External Mentions', 'friends' ) ); |
| 487 |
} else { |
| 488 |
$user = User::get_by_username( $external_mentions_username ); |
| 489 |
} |
| 490 |
|
| 491 |
if ( $user instanceof \WP_User && ! ( $user instanceof Subscription ) && ! is_user_member_of_blog( $user->ID, get_current_blog_id() ) ) { |
| 492 |
\add_user_to_blog( get_current_blog_id(), $user->ID, 'subscription' ); |
| 493 |
} |
| 494 |
|
| 495 |
return $user; |
| 496 |
} |
| 497 |
|
| 498 |
private function get_external_mentions_feed() { |
| 499 |
require_once __DIR__ . '/activitypub/class-virtual-user-feed.php'; |
| 500 |
$user = $this->get_external_mentions_user(); |
| 501 |
return new Virtual_User_Feed( $user, __( 'External Mentions', 'friends' ) ); |
| 502 |
} |
| 503 |
|
| 504 |
public function activitypub_post_in_reply_to( $ret, $post ) { |
| 505 |
if ( get_post_meta( $post->ID, 'activitypub_in_reply_to', true ) ) { |
| 506 |
$ret['inReplyTo'] = get_post_meta( $post->ID, 'activitypub_in_reply_to', true ); |
| 507 |
$ret['object']['inReplyTo'] = $ret['inReplyTo']; |
| 508 |
} |
| 509 |
return $ret; |
| 510 |
} |
| 511 |
|
| 512 |
public function activitypub_activity_object_array_in_reply_to( $ret, $c, $url ) { |
| 513 |
$post_id = url_to_postid( $url ); |
| 514 |
if ( get_post_meta( $post_id, 'activitypub_in_reply_to', true ) ) { |
| 515 |
$ret['inReplyTo'] = get_post_meta( $post_id, 'activitypub_in_reply_to', true ); |
| 516 |
} |
| 517 |
return $ret; |
| 518 |
} |
| 519 |
|
| 520 |
|
| 521 |
/** |
| 522 |
* Handles "Create" requests |
| 523 |
* |
| 524 |
* @param array $activity The activity object. |
| 525 |
* @param int $user_id The id of the local blog user. |
| 526 |
* @param string $type The type of the activity. |
| 527 |
*/ |
| 528 |
public function handle_received_activity( $activity, $user_id, $type ) { |
| 529 |
if ( 'undo' === $type ) { |
| 530 |
if ( ! isset( $activity['object'] ) ) { |
| 531 |
return false; |
| 532 |
} |
| 533 |
$activity = $activity['object']; |
| 534 |
switch ( strtolower( $activity['type'] ) ) { |
| 535 |
case 'like': |
| 536 |
$type = 'unlike'; |
| 537 |
break; |
| 538 |
case 'announce': |
| 539 |
$type = 'unannounce'; |
| 540 |
break; |
| 541 |
default: |
| 542 |
return false; |
| 543 |
} |
| 544 |
} |
| 545 |
if ( ! in_array( |
| 546 |
$type, |
| 547 |
array( |
| 548 |
// We don't need to handle 'Accept' types since it's handled by the ActivityPub plugin itself. |
| 549 |
'create', |
| 550 |
'delete', |
| 551 |
'announce', |
| 552 |
'unannounce', |
| 553 |
'like', |
| 554 |
'unlike', |
| 555 |
), |
| 556 |
true |
| 557 |
) ) { |
| 558 |
return false; |
| 559 |
} |
| 560 |
$actor_url = $activity['actor']; |
| 561 |
$user_feed = false; |
| 562 |
if ( Friends::check_url( $actor_url ) ) { |
| 563 |
// Let's check if we follow this actor. If not it might be a different URL representation. |
| 564 |
$user_feed = $this->friends_feed->get_user_feed_by_url( $actor_url ); |
| 565 |
} |
| 566 |
|
| 567 |
if ( is_wp_error( $user_feed ) || ! Friends::check_url( $actor_url ) ) { |
| 568 |
$meta = $this->get_metadata( $actor_url ); |
| 569 |
if ( ! $meta || is_wp_error( $meta ) || ! isset( $meta['url'] ) ) { |
| 570 |
$this->log( 'Received invalid meta for ' . $actor_url ); |
| 571 |
return false; |
| 572 |
} |
| 573 |
|
| 574 |
$actor_url = $meta['url']; |
| 575 |
if ( ! Friends::check_url( $actor_url ) ) { |
| 576 |
$this->log( 'Received invalid meta url for ' . $actor_url ); |
| 577 |
return false; |
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
$user_feed = $this->friends_feed->get_user_feed_by_url( $actor_url ); |
| 582 |
if ( ! $user_feed || is_wp_error( $user_feed ) ) { |
| 583 |
if ( isset( $activity['object']['tag'] ) && is_array( $activity['object']['tag'] ) ) { |
| 584 |
$my_activitypub_id = \get_author_posts_url( $user_id ); |
| 585 |
foreach ( $activity['object']['tag'] as $tag ) { |
| 586 |
if ( isset( $tag['type'] ) && 'Mention' === $tag['type'] && isset( $tag['href'] ) && $tag['href'] === $my_activitypub_id ) { |
| 587 |
// It was a mention. |
| 588 |
$user_feed = $this->get_external_mentions_feed(); |
| 589 |
break; |
| 590 |
} |
| 591 |
} |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
if ( ! $user_feed || is_wp_error( $user_feed ) ) { |
| 596 |
// We're not following this user. |
| 597 |
return false; |
| 598 |
} |
| 599 |
|
| 600 |
$item = $this->process_incoming_activity( $type, $activity, $user_id, $user_feed ); |
| 601 |
|
| 602 |
if ( $item instanceof Feed_Item ) { |
| 603 |
$this->friends_feed->process_incoming_feed_items( array( $item ), $user_feed ); |
| 604 |
return true; |
| 605 |
} |
| 606 |
|
| 607 |
return false; |
| 608 |
} |
| 609 |
|
| 610 |
/** |
| 611 |
* Process an incoming activity. |
| 612 |
* |
| 613 |
* @param string $type The type of the activity. |
| 614 |
* @param array $activity The activity object. |
| 615 |
* @param int $user_id The id of the local user if any. |
| 616 |
* @param User_Feed $user_feed The user feed. |
| 617 |
* @return Feed_Item|null The feed item or null if it's not a valid activity. |
| 618 |
*/ |
| 619 |
private function process_incoming_activity( $type, $activity, $user_id, $user_feed ) { |
| 620 |
switch ( $type ) { |
| 621 |
case 'create': |
| 622 |
return $this->handle_incoming_create( $activity['object'] ); |
| 623 |
case 'delete': |
| 624 |
return $this->handle_incoming_delete( $activity['object'] ); |
| 625 |
case 'announce': |
| 626 |
return $this->handle_incoming_announce( $activity['object'], $user_id, $activity['published'] ); |
| 627 |
case 'unannounce': |
| 628 |
return $this->handle_incoming_unannounce( $activity['object'], $user_feed ); |
| 629 |
case 'like': |
| 630 |
return $this->handle_incoming_like( $activity, $user_id ); |
| 631 |
case 'unlike': |
| 632 |
return $this->handle_incoming_unlike( $activity, $user_id ); |
| 633 |
} |
| 634 |
return null; |
| 635 |
} |
| 636 |
|
| 637 |
/** |
| 638 |
* Map the Activity type to a post fomat. |
| 639 |
* |
| 640 |
* @param string $type The type. |
| 641 |
* |
| 642 |
* @return string The determined post format. |
| 643 |
*/ |
| 644 |
private function map_type_to_post_format( $type ) { |
| 645 |
return 'status'; |
| 646 |
} |
| 647 |
|
| 648 |
/** |
| 649 |
* We received a post for a feed, handle it. |
| 650 |
* |
| 651 |
* @param array $activity The object from ActivityPub. |
| 652 |
*/ |
| 653 |
private function handle_incoming_create( $activity ) { |
| 654 |
$permalink = $activity['id']; |
| 655 |
if ( isset( $activity['url'] ) ) { |
| 656 |
$permalink = $activity['url']; |
| 657 |
} |
| 658 |
|
| 659 |
$data = array( |
| 660 |
'permalink' => $permalink, |
| 661 |
'content' => $activity['content'], |
| 662 |
'post_format' => $this->map_type_to_post_format( $activity['type'] ), |
| 663 |
'date' => $activity['published'], |
| 664 |
'_external_id' => $activity['id'], |
| 665 |
self::SLUG => array(), |
| 666 |
); |
| 667 |
|
| 668 |
if ( isset( $activity['reblog'] ) && $activity['reblog'] ) { |
| 669 |
$data[ self::SLUG ]['reblog'] = $activity['reblog']; |
| 670 |
} |
| 671 |
|
| 672 |
if ( isset( $activity['attributedTo'] ) ) { |
| 673 |
$meta = $this->get_metadata( $activity['attributedTo'] ); |
| 674 |
$this->log( 'Attributed to ' . $activity['attributedTo'], compact( 'meta' ) ); |
| 675 |
|
| 676 |
if ( $meta && ! is_wp_error( $meta ) ) { |
| 677 |
if ( isset( $meta['name'] ) ) { |
| 678 |
$data['author'] = $meta['name']; |
| 679 |
} elseif ( isset( $meta['preferredUsername'] ) ) { |
| 680 |
$data['author'] = $meta['preferredUsername']; |
| 681 |
} |
| 682 |
|
| 683 |
$data[ self::SLUG ]['attributedTo'] = array( |
| 684 |
'id' => $meta['id'], |
| 685 |
); |
| 686 |
if ( ! empty( $meta['icon']['url'] ) ) { |
| 687 |
$data[ self::SLUG ]['attributedTo']['icon'] = $meta['icon']['url']; |
| 688 |
} |
| 689 |
|
| 690 |
if ( ! empty( $meta['summary'] ) ) { |
| 691 |
$data[ self::SLUG ]['attributedTo']['summary'] = $meta['summary']; |
| 692 |
} |
| 693 |
|
| 694 |
if ( ! empty( $meta['preferredUsername'] ) ) { |
| 695 |
$data[ self::SLUG ]['attributedTo']['preferredUsername'] = $meta['preferredUsername']; |
| 696 |
} |
| 697 |
|
| 698 |
if ( ! empty( $meta['name'] ) ) { |
| 699 |
$data[ self::SLUG ]['attributedTo']['name'] = $meta['name']; |
| 700 |
} |
| 701 |
} |
| 702 |
} |
| 703 |
|
| 704 |
if ( isset( $activity['application'] ) && $activity['application'] ) { |
| 705 |
$data[ self::SLUG ]['application'] = $activity['application']; |
| 706 |
} |
| 707 |
|
| 708 |
if ( ! empty( $activity['attachment'] ) ) { |
| 709 |
foreach ( $activity['attachment'] as $attachment ) { |
| 710 |
if ( ! isset( $attachment['type'] ) || ! isset( $attachment['mediaType'] ) ) { |
| 711 |
continue; |
| 712 |
} |
| 713 |
if ( 'Document' !== $attachment['type'] ) { |
| 714 |
continue; |
| 715 |
} |
| 716 |
|
| 717 |
if ( strpos( $attachment['mediaType'], 'image/' ) === 0 ) { |
| 718 |
$data['content'] .= PHP_EOL; |
| 719 |
$data['content'] .= '<!-- wp:image -->'; |
| 720 |
$data['content'] .= '<p><img src="' . esc_url( $attachment['url'] ) . '" width="' . esc_attr( $attachment['width'] ) . '" height="' . esc_attr( $attachment['height'] ) . '" class="size-full" /></p>'; |
| 721 |
$data['content'] .= '<!-- /wp:image -->'; |
| 722 |
} elseif ( strpos( $attachment['mediaType'], 'video/' ) === 0 ) { |
| 723 |
$data['content'] .= PHP_EOL; |
| 724 |
$data['content'] .= '<!-- wp:video -->'; |
| 725 |
$data['content'] .= '<figure class="wp-block-video"><video controls src="' . esc_url( $attachment['url'] ) . '" />'; |
| 726 |
if ( ! empty( $attachment['name'] ) ) { |
| 727 |
$data['content'] .= '<figcaption class="wp-element-caption">' . esc_html( $attachment['name'] ) . '</figcaption>'; |
| 728 |
} |
| 729 |
$data['content'] .= '</figure>'; |
| 730 |
$data['content'] .= '<!-- /wp:video -->'; |
| 731 |
} |
| 732 |
} |
| 733 |
} |
| 734 |
|
| 735 |
$this->log( |
| 736 |
'Received feed item', |
| 737 |
array( |
| 738 |
'url' => $permalink, |
| 739 |
'data' => $data, |
| 740 |
) |
| 741 |
); |
| 742 |
return new Feed_Item( $data ); |
| 743 |
} |
| 744 |
|
| 745 |
|
| 746 |
/** |
| 747 |
* We received a delete of a post, handle it. |
| 748 |
* |
| 749 |
* @param array $activity The object from ActivityPub. |
| 750 |
*/ |
| 751 |
private function handle_incoming_delete( $activity ) { |
| 752 |
$permalink = $activity['id']; |
| 753 |
if ( isset( $activity['url'] ) ) { |
| 754 |
$permalink = $activity['url']; |
| 755 |
} |
| 756 |
|
| 757 |
$this->log( 'Received delete for ' . $permalink ); |
| 758 |
|
| 759 |
$comment_id = null; |
| 760 |
if ( preg_match( '/#comment-(\d+)$/i', $permalink, $matches ) ) { |
| 761 |
$comment_id = $matches[1]; |
| 762 |
$permalink = substr( $permalink, 0, - strlen( $matches[0] ) ); |
| 763 |
} |
| 764 |
|
| 765 |
$post_id = Feed::url_to_postid( $permalink ); |
| 766 |
if ( $post_id ) { |
| 767 |
if ( $comment_id ) { |
| 768 |
$comment = get_comment( $comment_id ); |
| 769 |
if ( $comment ) { |
| 770 |
wp_delete_comment( $comment_id ); |
| 771 |
return true; |
| 772 |
} |
| 773 |
} else { |
| 774 |
$meta = get_post_meta( $post_id, self::SLUG, true ); |
| 775 |
if ( ! empty( $meta ) ) { |
| 776 |
wp_trash_post( $post_id ); |
| 777 |
return true; |
| 778 |
} |
| 779 |
} |
| 780 |
} |
| 781 |
return false; |
| 782 |
} |
| 783 |
|
| 784 |
/** |
| 785 |
* We received an announced URL (boost) for a feed, handle it. |
| 786 |
* |
| 787 |
* @param array $url The announced URL. |
| 788 |
* @param int $user_id The user id (for retrieving the keys). |
| 789 |
* @param string $published_date The published date. |
| 790 |
*/ |
| 791 |
private function handle_incoming_announce( $url, $user_id, $published_date = null ) { |
| 792 |
if ( ! Friends::check_url( $url ) ) { |
| 793 |
$this->log( 'Received invalid announce', compact( 'url' ) ); |
| 794 |
return false; |
| 795 |
} |
| 796 |
$this->log( 'Received announce for ' . $url ); |
| 797 |
if ( null === $user_id ) { |
| 798 |
$user_id = Friends::get_main_friend_user_id(); |
| 799 |
} |
| 800 |
$response = \Activitypub\safe_remote_get( $url, $user_id ); |
| 801 |
if ( \is_wp_error( $response ) ) { |
| 802 |
return $response; |
| 803 |
} |
| 804 |
$json = \wp_remote_retrieve_body( $response ); |
| 805 |
$object = \json_decode( $json, true ); |
| 806 |
if ( ! $object ) { |
| 807 |
$this->log( 'Received invalid json', compact( 'json' ) ); |
| 808 |
return false; |
| 809 |
} |
| 810 |
$this->log( 'Received response', compact( 'url', 'object' ) ); |
| 811 |
if ( ! $published_date ) { |
| 812 |
$published_date = 'now'; |
| 813 |
} |
| 814 |
$object['published'] = gmdate( 'Y-m-d H:i:s', strtotime( $published_date ) ); |
| 815 |
$object['reblog'] = true; |
| 816 |
|
| 817 |
return $this->handle_incoming_create( $object ); |
| 818 |
} |
| 819 |
|
| 820 |
/** |
| 821 |
* We received an announced URL (boost) for a feed, handle it. |
| 822 |
* |
| 823 |
* @param array $url The announced URL. |
| 824 |
* @param User_Feed $user_feed The user feed. |
| 825 |
*/ |
| 826 |
private function handle_incoming_unannounce( $url, $user_feed ) { |
| 827 |
if ( ! Friends::check_url( $url ) ) { |
| 828 |
$this->log( 'Received invalid unannounce', compact( 'url' ) ); |
| 829 |
return false; |
| 830 |
} |
| 831 |
$this->log( 'Received unannounce for ' . $url ); |
| 832 |
|
| 833 |
$post_id = Feed::url_to_postid( $url, $user_feed->get_friend_user()->ID ); |
| 834 |
if ( $post_id ) { |
| 835 |
$meta = get_post_meta( $post_id, self::SLUG, true ); |
| 836 |
if ( isset( $meta['reblog'] ) ) { |
| 837 |
wp_trash_post( $post_id ); |
| 838 |
return true; |
| 839 |
} |
| 840 |
} |
| 841 |
return false; |
| 842 |
} |
| 843 |
|
| 844 |
public function get_reaction_display_name( $display_name, $term ) { |
| 845 |
$url = get_term_meta( $term->term_id, 'url', true ); |
| 846 |
$meta = \Activitypub\get_remote_metadata_by_actor( $url ); |
| 847 |
if ( $meta && ! is_wp_error( $meta ) && ! empty( $meta['preferredUsername'] ) ) { |
| 848 |
$host = parse_url( $meta['id'], PHP_URL_HOST ); |
| 849 |
return '@' . $meta['preferredUsername'] . '@' . $host; |
| 850 |
} |
| 851 |
return $display_name; |
| 852 |
} |
| 853 |
|
| 854 |
public function handle_incoming_like( $activity, $user_id ) { |
| 855 |
$post_id = Feed::url_to_postid( $activity['object'] ); |
| 856 |
if ( ! $post_id ) { |
| 857 |
return false; |
| 858 |
} |
| 859 |
$taxonomy_username = 'ap-' . crc32( $activity['actor'] ); |
| 860 |
|
| 861 |
// Allow setting the term with its meta. |
| 862 |
$taxonomy = Reactions::register_user_taxonomy( $taxonomy_username ); |
| 863 |
|
| 864 |
register_term_meta( |
| 865 |
$taxonomy, |
| 866 |
'url', |
| 867 |
array( |
| 868 |
'show_in_rest' => false, |
| 869 |
'single' => true, |
| 870 |
'type' => 'string', |
| 871 |
'sanitize_callback' => 'sanitize_text_field', |
| 872 |
) |
| 873 |
); |
| 874 |
|
| 875 |
// 2b50 = star. |
| 876 |
// 2764 = heart. |
| 877 |
$term_id = apply_filters( 'friends_react', null, $post_id, '2b50', $taxonomy_username ); |
| 878 |
if ( ! $term_id || is_wp_error( $term_id ) ) { |
| 879 |
return false; |
| 880 |
} |
| 881 |
|
| 882 |
update_term_meta( $term_id, 'url', $activity['actor'] ); |
| 883 |
|
| 884 |
return $term_id; |
| 885 |
} |
| 886 |
|
| 887 |
public function handle_incoming_unlike( $activity, $user_id ) { |
| 888 |
$post_id = Feed::url_to_postid( $activity['object'] ); |
| 889 |
if ( ! $post_id ) { |
| 890 |
return false; |
| 891 |
} |
| 892 |
|
| 893 |
$taxonomy_username = 'ap-' . crc32( $activity['actor'] ); |
| 894 |
|
| 895 |
// Allow removing the term. |
| 896 |
Reactions::register_user_taxonomy( $taxonomy_username ); |
| 897 |
|
| 898 |
// 2b50 = star. |
| 899 |
// 2764 = heart. |
| 900 |
$ret = apply_filters( 'friends_unreact', null, $post_id, '2b50', $taxonomy_username ); |
| 901 |
if ( ! $ret || is_wp_error( $ret ) ) { |
| 902 |
return false; |
| 903 |
} |
| 904 |
|
| 905 |
return true; |
| 906 |
} |
| 907 |
|
| 908 |
/** |
| 909 |
* Queue a hook to run async. |
| 910 |
* |
| 911 |
* @param string $hook The hook name. |
| 912 |
* @param array $args The arguments to pass to the hook. |
| 913 |
* @param string $unqueue_hook Optional a hook to unschedule before queuing. |
| 914 |
* @return void|bool Whether the hook was queued. |
| 915 |
*/ |
| 916 |
public function queue( $hook, $args, $unqueue_hook = null ) { |
| 917 |
if ( $unqueue_hook ) { |
| 918 |
$hook_timestamp = wp_next_scheduled( $unqueue_hook, $args ); |
| 919 |
if ( $hook_timestamp ) { |
| 920 |
wp_unschedule_event( $hook_timestamp, $unqueue_hook, $args ); |
| 921 |
} |
| 922 |
} |
| 923 |
|
| 924 |
if ( wp_next_scheduled( $hook, $args ) ) { |
| 925 |
return; |
| 926 |
} |
| 927 |
|
| 928 |
return \wp_schedule_single_event( \time(), $hook, $args ); |
| 929 |
} |
| 930 |
|
| 931 |
/** |
| 932 |
* Prepare to follow the user via a scheduled event. |
| 933 |
* |
| 934 |
* @param User_Feed $user_feed The user feed. |
| 935 |
* |
| 936 |
* @return bool|WP_Error Whether the event was queued. |
| 937 |
*/ |
| 938 |
public function queue_follow_user( User_Feed $user_feed ) { |
| 939 |
if ( self::SLUG !== $user_feed->get_parser() ) { |
| 940 |
return; |
| 941 |
} |
| 942 |
|
| 943 |
$queued = $this->queue( |
| 944 |
'friends_feed_parser_activitypub_follow', |
| 945 |
array( $user_feed->get_url() ), |
| 946 |
'friends_feed_parser_activitypub_unfollow' |
| 947 |
); |
| 948 |
|
| 949 |
if ( $queued ) { |
| 950 |
$user_feed->update_last_log( __( 'Queued follow request.', 'friends' ) ); |
| 951 |
} |
| 952 |
|
| 953 |
return $queued; |
| 954 |
} |
| 955 |
|
| 956 |
/** |
| 957 |
* Follow a user via ActivityPub at a URL. |
| 958 |
* |
| 959 |
* @param string $url The url. |
| 960 |
* @param int $user_id The current user id. |
| 961 |
*/ |
| 962 |
public function activitypub_follow_user( $url, $user_id = null ) { |
| 963 |
if ( null === $user_id ) { |
| 964 |
$user_id = Friends::get_main_friend_user_id(); |
| 965 |
} |
| 966 |
|
| 967 |
$meta = $this->get_metadata( $url ); |
| 968 |
$user_feed = User_Feed::get_by_url( $url ); |
| 969 |
if ( is_wp_error( $meta ) ) { |
| 970 |
if ( $user_feed instanceof User_Feed ) { |
| 971 |
$user_feed->update_last_log( |
| 972 |
sprintf( |
| 973 |
// translators: %s an error message. |
| 974 |
__( 'Error: %s', 'friends' ), |
| 975 |
$meta->get_error_code() . ' ' . $meta->get_error_message() |
| 976 |
) |
| 977 |
); |
| 978 |
} |
| 979 |
return $meta; |
| 980 |
} |
| 981 |
$to = $meta['id']; |
| 982 |
$inbox = \Activitypub\get_inbox_by_actor( $to ); |
| 983 |
$actor = \get_author_posts_url( $user_id ); |
| 984 |
|
| 985 |
$activity = new \Activitypub\Model\Activity( 'Follow', false ); |
| 986 |
$activity->set_to( null ); |
| 987 |
$activity->set_cc( null ); |
| 988 |
$activity->set_actor( $actor ); |
| 989 |
$activity->set_object( $to ); |
| 990 |
$activity->set_id( $actor . '#follow-' . \preg_replace( '~^https?://~', '', $to ) ); |
| 991 |
$activity = $activity->to_json(); |
| 992 |
$response = \Activitypub\safe_remote_post( $inbox, $activity, $user_id ); |
| 993 |
|
| 994 |
if ( $user_feed instanceof User_Feed ) { |
| 995 |
$user_feed->update_last_log( |
| 996 |
sprintf( |
| 997 |
// translators: %s is the response from the remote server. |
| 998 |
__( 'Sent follow request with response: %s', 'friends' ), |
| 999 |
wp_remote_retrieve_response_code( $response ) . ' ' . wp_remote_retrieve_response_message( $response ) |
| 1000 |
) |
| 1001 |
); |
| 1002 |
} |
| 1003 |
} |
| 1004 |
|
| 1005 |
/** |
| 1006 |
* Prepare to unfollow the user via a scheduled event. |
| 1007 |
* |
| 1008 |
* @param User_Feed $user_feed The user feed. |
| 1009 |
* |
| 1010 |
* @return bool|WP_Error Whether the event was queued. |
| 1011 |
*/ |
| 1012 |
public function queue_unfollow_user( User_Feed $user_feed ) { |
| 1013 |
if ( self::SLUG !== $user_feed->get_parser() ) { |
| 1014 |
return false; |
| 1015 |
} |
| 1016 |
|
| 1017 |
$queued = $this->queue( |
| 1018 |
'friends_feed_parser_activitypub_unfollow', |
| 1019 |
array( $user_feed->get_url() ), |
| 1020 |
'friends_feed_parser_activitypub_follow' |
| 1021 |
); |
| 1022 |
|
| 1023 |
if ( $queued ) { |
| 1024 |
$user_feed->update_last_log( __( 'Queued unfollow request.', 'friends' ) ); |
| 1025 |
} |
| 1026 |
|
| 1027 |
return $queued; |
| 1028 |
} |
| 1029 |
|
| 1030 |
/** |
| 1031 |
* Unfllow a user via ActivityPub at a URL. |
| 1032 |
* |
| 1033 |
* @param string $url The url. |
| 1034 |
* @param int $user_id The current user id. |
| 1035 |
*/ |
| 1036 |
public function activitypub_unfollow_user( $url, $user_id = null ) { |
| 1037 |
if ( null === $user_id ) { |
| 1038 |
$user_id = Friends::get_main_friend_user_id(); |
| 1039 |
} |
| 1040 |
$meta = $this->get_metadata( $url ); |
| 1041 |
$user_feed = User_Feed::get_by_url( $url ); |
| 1042 |
if ( is_wp_error( $meta ) ) { |
| 1043 |
if ( $user_feed instanceof User_Feed ) { |
| 1044 |
$user_feed->update_last_log( |
| 1045 |
sprintf( |
| 1046 |
// translators: %s an error message. |
| 1047 |
__( 'Error: %s', 'friends' ), |
| 1048 |
$meta->get_error_code() . ' ' . $meta->get_error_message() |
| 1049 |
) |
| 1050 |
); |
| 1051 |
} |
| 1052 |
return $meta; |
| 1053 |
} |
| 1054 |
$to = $meta['id']; |
| 1055 |
$inbox = \Activitypub\get_inbox_by_actor( $to ); |
| 1056 |
$actor = \get_author_posts_url( $user_id ); |
| 1057 |
|
| 1058 |
$activity = new \Activitypub\Model\Activity( 'Undo', false ); |
| 1059 |
$activity->set_to( null ); |
| 1060 |
$activity->set_cc( null ); |
| 1061 |
$activity->set_actor( $actor ); |
| 1062 |
$activity->set_object( |
| 1063 |
array( |
| 1064 |
'type' => 'Follow', |
| 1065 |
'actor' => $actor, |
| 1066 |
'object' => $to, |
| 1067 |
'id' => $to, |
| 1068 |
) |
| 1069 |
); |
| 1070 |
$activity->set_id( $actor . '#unfollow-' . \preg_replace( '~^https?://~', '', $to ) ); |
| 1071 |
$activity = $activity->to_json(); |
| 1072 |
$response = \Activitypub\safe_remote_post( $inbox, $activity, $user_id ); |
| 1073 |
|
| 1074 |
$user_feed = User_Feed::get_by_url( $url ); |
| 1075 |
if ( $user_feed instanceof User_Feed ) { |
| 1076 |
$user_feed->update_last_log( |
| 1077 |
sprintf( |
| 1078 |
// translators: %s is the response from the remote server. |
| 1079 |
__( 'Sent unfollow request with response: %s', 'friends' ), |
| 1080 |
wp_remote_retrieve_response_code( $response ) . ' ' . wp_remote_retrieve_response_message( $response ) |
| 1081 |
) |
| 1082 |
); |
| 1083 |
} |
| 1084 |
} |
| 1085 |
|
| 1086 |
public function get_possible_mentions() { |
| 1087 |
static $users = null; |
| 1088 |
if ( ! method_exists( '\Friends\User_Feed', 'get_by_parser' ) ) { |
| 1089 |
return array(); |
| 1090 |
} |
| 1091 |
|
| 1092 |
if ( is_null( $users ) || ! apply_filters( 'activitypub_cache_possible_friend_mentions', true ) ) { |
| 1093 |
$feeds = User_Feed::get_by_parser( 'activitypub' ); |
| 1094 |
$users = array(); |
| 1095 |
foreach ( $feeds as $feed ) { |
| 1096 |
$user = $feed->get_friend_user(); |
| 1097 |
$slug = sanitize_title( $user->user_nicename ); |
| 1098 |
$users[ '@' . $slug ] = $feed->get_url(); |
| 1099 |
} |
| 1100 |
} |
| 1101 |
return $users; |
| 1102 |
} |
| 1103 |
|
| 1104 |
/** |
| 1105 |
* Extract the mentions from the post_content. |
| 1106 |
* |
| 1107 |
* @param array $mentions The already found mentions. |
| 1108 |
* @param string $post_content The post content. |
| 1109 |
* @return mixed The discovered mentions. |
| 1110 |
*/ |
| 1111 |
public function activitypub_extract_mentions( $mentions, $post_content ) { |
| 1112 |
$users = $this->get_possible_mentions(); |
| 1113 |
preg_match_all( '/@(?:[a-zA-Z0-9_-]+)/', $post_content, $matches ); |
| 1114 |
foreach ( $matches[0] as $match ) { |
| 1115 |
if ( isset( $users[ $match ] ) ) { |
| 1116 |
$mentions[ $match ] = $users[ $match ]; |
| 1117 |
} |
| 1118 |
} |
| 1119 |
return $mentions; |
| 1120 |
} |
| 1121 |
|
| 1122 |
public function the_content( $the_content ) { |
| 1123 |
$protected_tags = array(); |
| 1124 |
$the_content = preg_replace_callback( |
| 1125 |
'#<a.*?href=[^>]+>.*?</a>#i', |
| 1126 |
function ( $m ) use ( &$protected_tags ) { |
| 1127 |
$c = count( $protected_tags ); |
| 1128 |
$protect = '!#!#PROTECT' . $c . '#!#!'; |
| 1129 |
$protected_tags[ $protect ] = $m[0]; |
| 1130 |
return $protect; |
| 1131 |
}, |
| 1132 |
$the_content |
| 1133 |
); |
| 1134 |
|
| 1135 |
$the_content = \preg_replace_callback( '/@(?:[a-zA-Z0-9_-]+)/', array( $this, 'replace_with_links' ), $the_content ); |
| 1136 |
|
| 1137 |
$the_content = str_replace( array_keys( $protected_tags ), array_values( $protected_tags ), $the_content ); |
| 1138 |
|
| 1139 |
return $the_content; |
| 1140 |
} |
| 1141 |
|
| 1142 |
/** |
| 1143 |
* Replace the mention with a link to the user. |
| 1144 |
* |
| 1145 |
* @param array $result The matched username. |
| 1146 |
* |
| 1147 |
* @return string The replaced username. |
| 1148 |
*/ |
| 1149 |
public function replace_with_links( array $result ) { |
| 1150 |
$users = $this->get_possible_mentions(); |
| 1151 |
if ( ! isset( $users[ $result[0] ] ) ) { |
| 1152 |
return $result[0]; |
| 1153 |
} |
| 1154 |
|
| 1155 |
$metadata = $this->get_metadata( $users[ $result[0] ] ); |
| 1156 |
if ( is_wp_error( $metadata ) || empty( $metadata['url'] ) ) { |
| 1157 |
return $result[0]; |
| 1158 |
} |
| 1159 |
|
| 1160 |
$username = ltrim( $users[ $result[0] ], '@' ); |
| 1161 |
if ( ! empty( $metadata['name'] ) ) { |
| 1162 |
$username = $metadata['name']; |
| 1163 |
} |
| 1164 |
if ( ! empty( $metadata['preferredUsername'] ) ) { |
| 1165 |
$username = $metadata['preferredUsername']; |
| 1166 |
} |
| 1167 |
$username = '@<span>' . $username . '</span>'; |
| 1168 |
return \sprintf( '<a rel="mention" class="u-url mention" href="%s">%s</a>', $metadata['url'], $username ); |
| 1169 |
} |
| 1170 |
|
| 1171 |
public function activitypub_save_settings( User $friend ) { |
| 1172 |
if ( isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'edit-friend-feeds-' . $friend->user_login ) ) { |
| 1173 |
|
| 1174 |
if ( isset( $_POST['friends_show_replies'] ) && $_POST['friends_show_replies'] ) { |
| 1175 |
$friend->update_user_option( 'activitypub_friends_show_replies', '1' ); |
| 1176 |
} else { |
| 1177 |
$friend->delete_user_option( 'activitypub_friends_show_replies' ); |
| 1178 |
} |
| 1179 |
} |
| 1180 |
} |
| 1181 |
|
| 1182 |
public function activitypub_settings( User $friend ) { |
| 1183 |
$has_activitypub_feed = false; |
| 1184 |
foreach ( $friend->get_active_feeds() as $feed ) { |
| 1185 |
if ( 'activitypub' === $feed->get_parser() ) { |
| 1186 |
$has_activitypub_feed = true; |
| 1187 |
} |
| 1188 |
} |
| 1189 |
|
| 1190 |
if ( ! $has_activitypub_feed ) { |
| 1191 |
return; |
| 1192 |
} |
| 1193 |
|
| 1194 |
?> |
| 1195 |
<tr> |
| 1196 |
<th>ActivityPub</th> |
| 1197 |
<td> |
| 1198 |
<fieldset> |
| 1199 |
<div> |
| 1200 |
<input type="checkbox" name="friends_show_replies" id="friends_show_replies" value="1" <?php checked( '1', $friend->get_user_option( 'activitypub_friends_show_replies' ) ); ?> /> |
| 1201 |
<label for="friends_show_replies"><?php esc_html_e( "Don't hide @mentions of feeds you don't follow", 'friends' ); ?></label> |
| 1202 |
</div> |
| 1203 |
</fieldset> |
| 1204 |
<p class="description"> |
| 1205 |
<?php |
| 1206 |
esc_html_e( "Show ActivityPub '@mention' posts even when you do not follow the feed being mentioned.", 'friends' ); |
| 1207 |
?> |
| 1208 |
</p> |
| 1209 |
</td> |
| 1210 |
</tr> |
| 1211 |
<?php |
| 1212 |
} |
| 1213 |
|
| 1214 |
/** |
| 1215 |
* Apply the feed rules |
| 1216 |
* |
| 1217 |
* @param Feed_Item $item The feed item. |
| 1218 |
* @param User_Feed $feed The feed object. |
| 1219 |
* @param User $friend_user The friend user. |
| 1220 |
* @return Feed_Item The modified feed item. |
| 1221 |
*/ |
| 1222 |
public function modify_incoming_item( Feed_Item $item, User_Feed $feed = null, User $friend_user = null ) { |
| 1223 |
if ( ! $feed || 'activitypub' !== $feed->get_parser() ) { |
| 1224 |
return $item; |
| 1225 |
} |
| 1226 |
|
| 1227 |
if ( ! $friend_user->get_user_option( 'activitypub_friends_show_replies' ) ) { |
| 1228 |
$plain_text_content = \wp_strip_all_tags( $item->post_content ); |
| 1229 |
$possible_mentions = $this->get_possible_mentions(); |
| 1230 |
|
| 1231 |
$no_known_user_found = true; |
| 1232 |
if ( preg_match( '/^@(?:[a-zA-Z0-9_.-]+)/i', $plain_text_content, $m ) ) { |
| 1233 |
if ( ! isset( $possible_mentions[ $m[0] ] ) ) { |
| 1234 |
$no_known_user_found = false; |
| 1235 |
} |
| 1236 |
} |
| 1237 |
|
| 1238 |
if ( $no_known_user_found ) { |
| 1239 |
if ( $friend_user && false !== strpos( $item->post_content, \get_author_posts_url( $friend_user->ID ) ) ) { |
| 1240 |
$no_known_user_found = false; |
| 1241 |
} |
| 1242 |
} |
| 1243 |
|
| 1244 |
if ( $no_known_user_found ) { |
| 1245 |
foreach ( $possible_mentions as $username => $mention_url ) { |
| 1246 |
if ( false !== strpos( $item->post_content, $mention_url ) ) { |
| 1247 |
$no_known_user_found = false; |
| 1248 |
break; |
| 1249 |
} |
| 1250 |
if ( false !== strpos( $username, $mention_url ) ) { |
| 1251 |
$no_known_user_found = false; |
| 1252 |
break; |
| 1253 |
} |
| 1254 |
} |
| 1255 |
} |
| 1256 |
|
| 1257 |
if ( ! $no_known_user_found ) { |
| 1258 |
$item->_feed_rule_transform = array( |
| 1259 |
'post_status' => 'trash', |
| 1260 |
); |
| 1261 |
} |
| 1262 |
} |
| 1263 |
|
| 1264 |
return $item; |
| 1265 |
} |
| 1266 |
|
| 1267 |
public function friends_potential_avatars( $avatars, User $friend_user ) { |
| 1268 |
foreach ( $friend_user->get_feeds() as $user_feed ) { |
| 1269 |
if ( 'activitypub' === $user_feed->get_parser() ) { |
| 1270 |
$details = $this->update_feed_details( |
| 1271 |
array( |
| 1272 |
'url' => $user_feed->get_url(), |
| 1273 |
) |
| 1274 |
); |
| 1275 |
if ( isset( $details['avatar'] ) ) { |
| 1276 |
$avatars[ $details['avatar'] ] = sprintf( |
| 1277 |
// translators: %s is a username. |
| 1278 |
__( 'Avatar of %s', 'friends' ), |
| 1279 |
$details['title'] |
| 1280 |
); |
| 1281 |
} |
| 1282 |
} |
| 1283 |
} |
| 1284 |
return $avatars; |
| 1285 |
} |
| 1286 |
|
| 1287 |
private function get_author_of_post( \WP_Post $post ) { |
| 1288 |
$friend = User::get_post_author( $post ); |
| 1289 |
if ( ! $friend || is_wp_error( $friend ) ) { |
| 1290 |
return $friend; |
| 1291 |
} |
| 1292 |
|
| 1293 |
$meta = get_post_meta( $post->ID, self::SLUG, true ); |
| 1294 |
if ( isset( $meta['attributedTo']['id'] ) ) { |
| 1295 |
return $meta['attributedTo']['id']; |
| 1296 |
} |
| 1297 |
|
| 1298 |
$host = wp_parse_url( $post->guid, PHP_URL_HOST ); |
| 1299 |
|
| 1300 |
foreach ( $friend->get_active_feeds() as $feed ) { |
| 1301 |
if ( 'activitypub' !== $feed->get_parser() ) { |
| 1302 |
continue; |
| 1303 |
} |
| 1304 |
|
| 1305 |
$feed_host = wp_parse_url( $feed->get_url(), PHP_URL_HOST ); |
| 1306 |
if ( $feed_host !== $host ) { |
| 1307 |
continue; |
| 1308 |
} |
| 1309 |
|
| 1310 |
return $feed->get_url(); |
| 1311 |
} |
| 1312 |
|
| 1313 |
return null; |
| 1314 |
} |
| 1315 |
|
| 1316 |
/** |
| 1317 |
* Create a status based on a post reaction. |
| 1318 |
* |
| 1319 |
* @param int $post_id The post ID. |
| 1320 |
*/ |
| 1321 |
public function post_reaction( $post_id ) { |
| 1322 |
$post = get_post( $post_id ); |
| 1323 |
if ( ! $post ) { |
| 1324 |
return; |
| 1325 |
} |
| 1326 |
$author_url = $this->get_author_of_post( $post ); |
| 1327 |
if ( ! $author_url || is_wp_error( $author_url ) ) { |
| 1328 |
return; |
| 1329 |
} |
| 1330 |
return $this->queue_like_post( $post, $author_url ); |
| 1331 |
} |
| 1332 |
|
| 1333 |
/** |
| 1334 |
* Prepare to follow the user via a scheduled event. |
| 1335 |
* |
| 1336 |
* @param \WP_Post $post The post. |
| 1337 |
* @param string $author_url The author url. |
| 1338 |
* |
| 1339 |
* @return bool|WP_Error Whether the event was queued. |
| 1340 |
*/ |
| 1341 |
public function queue_like_post( \WP_Post $post, $author_url ) { |
| 1342 |
$external_post_id = get_post_meta( $post->ID, 'external-id', true ); |
| 1343 |
if ( ! $external_post_id ) { |
| 1344 |
$external_post_id = $post->guid; |
| 1345 |
} |
| 1346 |
|
| 1347 |
$queued = $this->queue( |
| 1348 |
'friends_feed_parser_activitypub_like', |
| 1349 |
array( $author_url, $external_post_id, get_current_user_id() ), |
| 1350 |
'friends_feed_parser_activitypub_unlike' |
| 1351 |
); |
| 1352 |
|
| 1353 |
return $queued; |
| 1354 |
} |
| 1355 |
|
| 1356 |
/** |
| 1357 |
* Like a post. |
| 1358 |
* |
| 1359 |
* @param mixed $url The URL of the user. |
| 1360 |
* @param mixed $external_post_id The post to like. |
| 1361 |
* @param mixed $user_id The current user id. |
| 1362 |
* @return void |
| 1363 |
*/ |
| 1364 |
public function activitypub_like_post( $url, $external_post_id, $user_id ) { |
| 1365 |
$inbox = \Activitypub\get_inbox_by_actor( $url ); |
| 1366 |
$actor = \get_author_posts_url( $user_id ); |
| 1367 |
|
| 1368 |
$activity = new \Activitypub\Model\Activity( 'Like', false ); |
| 1369 |
$activity->set_to( null ); |
| 1370 |
$activity->set_cc( null ); |
| 1371 |
$activity->set_actor( $actor ); |
| 1372 |
$activity->set_object( $external_post_id ); |
| 1373 |
$activity->set_id( $actor . '#like-' . \preg_replace( '~^https?://~', '', $external_post_id ) ); |
| 1374 |
$activity = $activity->to_json(); |
| 1375 |
$response = \Activitypub\safe_remote_post( $inbox, $activity, $user_id ); |
| 1376 |
|
| 1377 |
$user_feed = User_Feed::get_by_url( $url ); |
| 1378 |
if ( $user_feed instanceof User_Feed ) { |
| 1379 |
$user_feed->update_last_log( |
| 1380 |
sprintf( |
| 1381 |
// translators: %s is the response from the remote server. |
| 1382 |
__( 'Sent like request with response: %s', 'friends' ), |
| 1383 |
wp_remote_retrieve_response_code( $response ) . ' ' . wp_remote_retrieve_response_message( $response ) |
| 1384 |
) |
| 1385 |
); |
| 1386 |
} |
| 1387 |
} |
| 1388 |
|
| 1389 |
/** |
| 1390 |
* Create a status based on a post reaction. |
| 1391 |
* |
| 1392 |
* @param int $post_id The post ID. |
| 1393 |
*/ |
| 1394 |
public function undo_post_reaction( $post_id ) { |
| 1395 |
$post = get_post( $post_id ); |
| 1396 |
if ( ! $post ) { |
| 1397 |
return; |
| 1398 |
} |
| 1399 |
$author_url = $this->get_author_of_post( $post ); |
| 1400 |
if ( ! $author_url || is_wp_error( $author_url ) ) { |
| 1401 |
return; |
| 1402 |
} |
| 1403 |
return $this->queue_unlike_post( $post, $author_url ); |
| 1404 |
} |
| 1405 |
|
| 1406 |
/** |
| 1407 |
* Prepare to follow the user via a scheduled event. |
| 1408 |
* |
| 1409 |
* @param \WP_Post $post The post. |
| 1410 |
* @param string $author_url The author url. |
| 1411 |
* |
| 1412 |
* @return bool|WP_Error Whether the event was queued. |
| 1413 |
*/ |
| 1414 |
public function queue_unlike_post( \WP_Post $post, $author_url ) { |
| 1415 |
$external_post_id = get_post_meta( $post->ID, 'external-id', true ); |
| 1416 |
if ( ! $external_post_id ) { |
| 1417 |
$external_post_id = $post->guid; |
| 1418 |
} |
| 1419 |
|
| 1420 |
$queued = $this->queue( |
| 1421 |
'friends_feed_parser_activitypub_unlike', |
| 1422 |
array( $author_url, $external_post_id, get_current_user_id() ), |
| 1423 |
'friends_feed_parser_activitypub_like' |
| 1424 |
); |
| 1425 |
|
| 1426 |
if ( $queued ) { |
| 1427 |
$user_feed->update_last_log( __( 'Queued unlike request.', 'friends' ) ); |
| 1428 |
} |
| 1429 |
|
| 1430 |
return $queued; |
| 1431 |
} |
| 1432 |
|
| 1433 |
/** |
| 1434 |
* Unlike a post. |
| 1435 |
* |
| 1436 |
* @param mixed $url The URL of the user. |
| 1437 |
* @param mixed $external_post_id The post to like. |
| 1438 |
* @param mixed $user_id The current user id. |
| 1439 |
* @return void |
| 1440 |
*/ |
| 1441 |
public function activitypub_unlike_post( $url, $external_post_id, $user_id ) { |
| 1442 |
$inbox = \Activitypub\get_inbox_by_actor( $url ); |
| 1443 |
$actor = \get_author_posts_url( $user_id ); |
| 1444 |
|
| 1445 |
$activity = new \Activitypub\Model\Activity( 'Undo', false ); |
| 1446 |
$activity->set_to( null ); |
| 1447 |
$activity->set_cc( null ); |
| 1448 |
$activity->set_actor( $actor ); |
| 1449 |
$activity->set_object( |
| 1450 |
array( |
| 1451 |
'type' => 'Like', |
| 1452 |
'actor' => $actor, |
| 1453 |
'object' => $external_post_id, |
| 1454 |
'id' => $actor . '#like-' . \preg_replace( '~^https?://~', '', $external_post_id ), |
| 1455 |
) |
| 1456 |
); |
| 1457 |
$activity->set_id( $actor . '#unlike-' . \preg_replace( '~^https?://~', '', $external_post_id ) ); |
| 1458 |
$activity = $activity->to_json(); |
| 1459 |
$response = \Activitypub\safe_remote_post( $inbox, $activity, $user_id ); |
| 1460 |
|
| 1461 |
$user_feed = User_Feed::get_by_url( $url ); |
| 1462 |
if ( $user_feed instanceof User_Feed ) { |
| 1463 |
$user_feed->update_last_log( |
| 1464 |
sprintf( |
| 1465 |
// translators: %s is the response from the remote server. |
| 1466 |
__( 'Sent unlike request with response: %s', 'friends' ), |
| 1467 |
wp_remote_retrieve_response_code( $response ) . ' ' . wp_remote_retrieve_response_message( $response ) |
| 1468 |
) |
| 1469 |
); |
| 1470 |
} |
| 1471 |
} |
| 1472 |
|
| 1473 |
public function friends_reblog_button_label( $button_label ) { |
| 1474 |
if ( User_Feed::get_parser_for_post_id( get_the_ID() ) === 'activitypub' ) { |
| 1475 |
if ( get_user_option( 'friends_activitypub_dont_reblog' ) ) { |
| 1476 |
$button_label = _x( 'Boost', 'button', 'friends' ); |
| 1477 |
} else { |
| 1478 |
$button_label = _x( 'Reblog & Boost', 'button', 'friends' ); |
| 1479 |
} |
| 1480 |
} |
| 1481 |
return $button_label; |
| 1482 |
} |
| 1483 |
|
| 1484 |
public function mastodon_api_react( $post_id, $reaction ) { |
| 1485 |
apply_filters( 'friends_react', null, $post_id, $reaction ); |
| 1486 |
} |
| 1487 |
|
| 1488 |
public function mastodon_api_unreact( $post_id, $reaction ) { |
| 1489 |
apply_filters( 'friends_unreact', null, $post_id, $reaction ); |
| 1490 |
} |
| 1491 |
|
| 1492 |
public function mastodon_api_reblog( $post_id ) { |
| 1493 |
apply_filters( 'friends_reblog', null, $post_id ); |
| 1494 |
} |
| 1495 |
|
| 1496 |
public function mastodon_api_unreblog( $post_id ) { |
| 1497 |
apply_filters( 'friends_unreblog', null, $post_id ); |
| 1498 |
} |
| 1499 |
|
| 1500 |
/** |
| 1501 |
* Don't create a note via ActivityPub since we'll use announce there. |
| 1502 |
* |
| 1503 |
* @param bool $ret The return value. |
| 1504 |
* |
| 1505 |
* @return bool The return value. |
| 1506 |
*/ |
| 1507 |
public function unqueue_activitypub_create( $ret ) { |
| 1508 |
$hook = 'transition_post_status'; |
| 1509 |
$filter = array( '\Activitypub\Activitypub', 'schedule_post_activity' ); |
| 1510 |
$priority = has_filter( $hook, $filter ); |
| 1511 |
if ( $priority ) { |
| 1512 |
remove_filter( $hook, $filter, $priority ); |
| 1513 |
} |
| 1514 |
return $ret; |
| 1515 |
} |
| 1516 |
|
| 1517 |
public function maybe_unqueue_friends_reblog_post( $ret, $post ) { |
| 1518 |
if ( ! get_user_option( 'friends_activitypub_dont_reblog' ) ) { |
| 1519 |
return $ret; |
| 1520 |
} |
| 1521 |
|
| 1522 |
if ( User_Feed::get_parser_for_post_id( $post->ID ) !== 'activitypub' ) { |
| 1523 |
return $ret; |
| 1524 |
} |
| 1525 |
|
| 1526 |
remove_filter( 'friends_reblog', array( 'Friends\Frontend', 'reblog' ), 10, 2 ); |
| 1527 |
return $ret; |
| 1528 |
} |
| 1529 |
|
| 1530 |
public function reblog( $ret, $post ) { |
| 1531 |
$post = get_post( $post ); |
| 1532 |
if ( ! $post ) { |
| 1533 |
return $ret; |
| 1534 |
} |
| 1535 |
if ( User_Feed::get_parser_for_post_id( $post->ID ) === 'activitypub' ) { |
| 1536 |
$this->queue_announce( $post->guid ); |
| 1537 |
\update_post_meta( $post->ID, 'reblogged', 'activitypub' ); |
| 1538 |
\update_post_meta( $post->ID, 'reblogged_by', get_current_user_id() ); |
| 1539 |
return true; |
| 1540 |
} |
| 1541 |
return $ret; |
| 1542 |
} |
| 1543 |
|
| 1544 |
public function unreblog( $ret, $post ) { |
| 1545 |
$post = get_post( $post ); |
| 1546 |
if ( ! $post ) { |
| 1547 |
return $ret; |
| 1548 |
} |
| 1549 |
if ( get_post_meta( $post->ID, 'reblogged', true ) === 'activitypub' ) { |
| 1550 |
$this->queue_unannounce( $post->guid ); |
| 1551 |
\delete_post_meta( $post->ID, 'reblogged', 'activitypub' ); |
| 1552 |
\delete_post_meta( $post->ID, 'reblogged_by', get_current_user_id() ); |
| 1553 |
return true; |
| 1554 |
} |
| 1555 |
return $ret; |
| 1556 |
} |
| 1557 |
|
| 1558 |
/** |
| 1559 |
* Prepare to announce the post via a scheduled event. |
| 1560 |
* |
| 1561 |
* @param string $url The url to announce. |
| 1562 |
* |
| 1563 |
* @return bool|WP_Error Whether the event was queued. |
| 1564 |
*/ |
| 1565 |
public function queue_announce( $url ) { |
| 1566 |
$queued = $this->queue( |
| 1567 |
'friends_feed_parser_activitypub_announce', |
| 1568 |
array( $url, get_current_user_id() ), |
| 1569 |
'friends_feed_parser_activitypub_unannounce' |
| 1570 |
); |
| 1571 |
|
| 1572 |
return $queued; |
| 1573 |
} |
| 1574 |
|
| 1575 |
/** |
| 1576 |
* Announce the post via ActivityPub. |
| 1577 |
* |
| 1578 |
* @param string $url The url. |
| 1579 |
* @param id $user_id The user id. |
| 1580 |
*/ |
| 1581 |
public function activitypub_announce( $url, $user_id ) { |
| 1582 |
$actor = \get_author_posts_url( $user_id ); |
| 1583 |
|
| 1584 |
$activity = new \Activitypub\Activity\Activity(); |
| 1585 |
$activity->set_type( 'Announce' ); |
| 1586 |
$activity->set_actor( $actor ); |
| 1587 |
$activity->set_object( $url ); |
| 1588 |
|
| 1589 |
$follower_inboxes = \Activitypub\Collection\Followers::get_inboxes( $user_id ); |
| 1590 |
$mentioned_inboxes = \Activitypub\Mention::get_inboxes( $activity->get_cc() ); |
| 1591 |
|
| 1592 |
$inboxes = array_merge( $follower_inboxes, $mentioned_inboxes ); |
| 1593 |
$inboxes = array_unique( $inboxes ); |
| 1594 |
|
| 1595 |
$json = $activity->to_json(); |
| 1596 |
|
| 1597 |
foreach ( $inboxes as $inbox ) { |
| 1598 |
safe_remote_post( $inbox, $json, $user_id ); |
| 1599 |
} |
| 1600 |
} |
| 1601 |
|
| 1602 |
/** |
| 1603 |
* Prepare to announce the post via a scheduled event. |
| 1604 |
* |
| 1605 |
* @param string $url The url to announce. |
| 1606 |
* |
| 1607 |
* @return bool|WP_Error Whether the event was queued. |
| 1608 |
*/ |
| 1609 |
public function queue_unannounce( $url ) { |
| 1610 |
$queued = $this->queue( |
| 1611 |
'friends_feed_parser_activitypub_unannounce', |
| 1612 |
array( $url, get_current_user_id() ), |
| 1613 |
'friends_feed_parser_activitypub_announce' |
| 1614 |
); |
| 1615 |
|
| 1616 |
return $queued; |
| 1617 |
} |
| 1618 |
|
| 1619 |
/** |
| 1620 |
* Unannounce the post via ActivityPub. |
| 1621 |
* |
| 1622 |
* @param string $url The url. |
| 1623 |
* @param id $user_id The user id. |
| 1624 |
*/ |
| 1625 |
public function activitypub_unannounce( $url, $user_id ) { |
| 1626 |
$actor = \get_author_posts_url( $user_id ); |
| 1627 |
|
| 1628 |
$activity = new \Activitypub\Model\Activity( 'Undo', false ); |
| 1629 |
$activity->set_to( null ); |
| 1630 |
$activity->set_cc( null ); |
| 1631 |
$activity->set_actor( $actor ); |
| 1632 |
$activity->set_id( $actor . '#activitypub_unannounce-' . \preg_replace( '~^https?://~', '', $url ) ); |
| 1633 |
$activity->set_object( |
| 1634 |
array( |
| 1635 |
'type' => 'Announce', |
| 1636 |
'actor' => $actor, |
| 1637 |
'object' => $url, |
| 1638 |
'id' => $actor . '#activitypub_announce-' . \preg_replace( '~^https?://~', '', $url ), |
| 1639 |
) |
| 1640 |
); |
| 1641 |
$inboxes = \Activitypub\get_follower_inboxes( $user_id ); |
| 1642 |
|
| 1643 |
$followers_url = \get_rest_url( null, '/activitypub/1.0/users/' . intval( $user_id ) . '/followers' ); |
| 1644 |
|
| 1645 |
foreach ( $inboxes as $inbox => $to ) { |
| 1646 |
$to = array_values( array_unique( $to ) ); |
| 1647 |
$activity->set_to( $to ); |
| 1648 |
|
| 1649 |
\Activitypub\safe_remote_post( $inbox, $activity->to_json(), $user_id ); |
| 1650 |
} |
| 1651 |
} |
| 1652 |
|
| 1653 |
/** |
| 1654 |
* Approve comments that |
| 1655 |
* |
| 1656 |
* @param bool $approved Whether the comment is approved. |
| 1657 |
* @param array $commentdata The commentdata. |
| 1658 |
* |
| 1659 |
* @return bool Whether the comment is approved. |
| 1660 |
*/ |
| 1661 |
public function pre_comment_approved( $approved, $commentdata ) { |
| 1662 |
if ( ! $approved || is_string( $approved ) && 'activitypub' === $commentdata['comment_meta']['protocol'] ) { |
| 1663 |
$user_feed = User_Feed::get_by_url( $commentdata['comment_author_url'] ); |
| 1664 |
if ( $user_feed instanceof User_Feed ) { |
| 1665 |
$approved = true; |
| 1666 |
} |
| 1667 |
} |
| 1668 |
return $approved; |
| 1669 |
} |
| 1670 |
|
| 1671 |
public function comment_post( $comment_id, $comment_approved, $commentdata ) { |
| 1672 |
if ( isset( $commentdata['commentmeta']['protocol'] ) && 'activitypub' === $commentdata['commentmeta']['protocol'] ) { |
| 1673 |
// Don't act upon incoming comments via ActivityPub. |
| 1674 |
return; |
| 1675 |
} |
| 1676 |
|
| 1677 |
if ( empty( $commentdata['user_id'] ) ) { |
| 1678 |
// Don't act on other people's comments. |
| 1679 |
return; |
| 1680 |
} |
| 1681 |
|
| 1682 |
$user = new \WP_User( $commentdata['user_id'] ); |
| 1683 |
if ( User::is_friends_plugin_user( $user ) ) { |
| 1684 |
// Don't act on non-local comments. |
| 1685 |
return; |
| 1686 |
} |
| 1687 |
|
| 1688 |
// TODO: in the ActivityPub plugin, we should be able to use the comment_post hook to send out the comment. |
| 1689 |
} |
| 1690 |
|
| 1691 |
public function trashed_comment( $comment_id, $comment ) { |
| 1692 |
if ( get_comment_meta( $comment_id, 'protocol', true ) === 'activitypub' ) { |
| 1693 |
// Don't act on comments that came via ActivityPub. |
| 1694 |
return; |
| 1695 |
} |
| 1696 |
|
| 1697 |
if ( empty( $comment->user_id ) ) { |
| 1698 |
// Don't act on other people's comments. |
| 1699 |
return; |
| 1700 |
} |
| 1701 |
|
| 1702 |
$user = new \WP_User( $comment->user_id ); |
| 1703 |
if ( User::is_friends_plugin_user( $user ) ) { |
| 1704 |
// Don't act on non-local comments. |
| 1705 |
return; |
| 1706 |
} |
| 1707 |
|
| 1708 |
// TODO: in the ActivityPub plugin, we should be able to use the trashed_comment hook to send out the comment deletion. |
| 1709 |
} |
| 1710 |
|
| 1711 |
/** |
| 1712 |
* Disable Webfinger for example domains |
| 1713 |
* |
| 1714 |
* @param mixed $metadata Already retrieved metadata. |
| 1715 |
* @param mixed $actor The actor as URL or username. |
| 1716 |
* @return mixed The potentially added metadata for example domains. |
| 1717 |
*/ |
| 1718 |
public function disable_webfinger_for_example_domains( $metadata, $actor ) { |
| 1719 |
if ( ! $metadata ) { |
| 1720 |
$username = null; |
| 1721 |
$domain = null; |
| 1722 |
if ( preg_match( '/^@?' . self::ACTIVITYPUB_USERNAME_REGEXP . '$/i', $actor, $m ) ) { |
| 1723 |
$username = $m[1]; |
| 1724 |
$domain = $m[2]; |
| 1725 |
} else { |
| 1726 |
$p = wp_parse_url( $actor ); |
| 1727 |
if ( $p ) { |
| 1728 |
if ( isset( $p['host'] ) ) { |
| 1729 |
$domain = $p['host']; |
| 1730 |
} |
| 1731 |
if ( isset( $p['path'] ) ) { |
| 1732 |
$path_parts = explode( '/', trim( $p['path'], '/' ) ); |
| 1733 |
$username = ltrim( array_pop( $path_parts ), '@' ); |
| 1734 |
} |
| 1735 |
} |
| 1736 |
} |
| 1737 |
if ( preg_match( '/[^a-zA-Z0-9.-]/', $domain ) ) { // Has invalid characters. |
| 1738 |
return $metadata; |
| 1739 |
} |
| 1740 |
|
| 1741 |
if ( |
| 1742 |
rtrim( strtok( $domain, '.' ), '0123456789' ) === 'example' // A classic example.org domain. |
| 1743 |
|| preg_match( '/(my|your|our)-(domain)/', $domain ) |
| 1744 |
|| preg_match( '/(test)/', $domain ) |
| 1745 |
|| in_array( $username, array( 'example' ), true ) |
| 1746 |
) { |
| 1747 |
$metadata = array( |
| 1748 |
'url' => sprintf( 'https://%s/users/%s/', $domain, $username ), |
| 1749 |
'name' => $username, |
| 1750 |
); |
| 1751 |
} |
| 1752 |
} |
| 1753 |
return $metadata; |
| 1754 |
} |
| 1755 |
} |
| 1756 |
|
