bluesky/bluesky.php

   1 <?php
   2 /**
   3  * Name: Bluesky Connector
   4  * Description: Post to Bluesky
   5  * Version: 1.1
   6  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
   7  *
   8  * @todo
   9  * - Outgoing mentions
  10  *
  11  * Possibly not possible:
  12  * - only fetch new posts
  13  *
  14  * Currently not possible, due to limitations in Friendica
  15  * - mute contacts https://atproto.com/lexicons/app-bsky-graph#appbskygraphmuteactor
  16  * - unmute contacts https://atproto.com/lexicons/app-bsky-graph#appbskygraphunmuteactor
  17  *
  18  * Possibly interesting:
  19  * - https://atproto.com/lexicons/com-atproto-label#comatprotolabelsubscribelabels
  20  * - https://atproto.com/lexicons/com-atproto-moderation#comatprotomoderationcreatereport
  21  * - https://atproto.com/lexicons/com-atproto-repo#comatprotorepoputrecord
  22  * - https://atproto.com/lexicons/app-bsky-embed#appbskyembedrecordwithmedia
  23  * - https://atproto.com/lexicons/app-bsky-feed#appbskyfeedgetpostthread
  24  */
  25
  26 use Friendica\Content\Text\BBCode;
  27 use Friendica\Content\Text\HTML;
  28 use Friendica\Content\Text\Plaintext;
  29 use Friendica\Core\Cache\Enum\Duration;
  30 use Friendica\Core\Config\Util\ConfigFileManager;
  31 use Friendica\Core\Hook;
  32 use Friendica\Core\Logger;
  33 use Friendica\Core\Protocol;
  34 use Friendica\Core\Renderer;
  35 use Friendica\Core\Worker;
  36 use Friendica\Database\DBA;
  37 use Friendica\DI;
  38 use Friendica\Model\Contact;
  39 use Friendica\Model\Item;
  40 use Friendica\Model\ItemURI;
  41 use Friendica\Model\Photo;
  42 use Friendica\Model\Post;
  43 use Friendica\Network\HTTPClient\Client\HttpClientAccept;
  44 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
  45 use Friendica\Protocol\Activity;
  46 use Friendica\Protocol\Relay;
  47 use Friendica\Util\DateTimeFormat;
  48 use Friendica\Util\Strings;
  49
  50 const BLUESKY_DEFAULT_POLL_INTERVAL = 10; // given in minutes
  51 const BLUESKY_HOST = 'https://bsky.app'; // Hard wired until Bluesky will run on multiple systems
  52
  53 function bluesky_install()
  54 {
  55         Hook::register('load_config',             __FILE__, 'bluesky_load_config');
  56         Hook::register('hook_fork',               __FILE__, 'bluesky_hook_fork');
  57         Hook::register('post_local',              __FILE__, 'bluesky_post_local');
  58         Hook::register('notifier_normal',         __FILE__, 'bluesky_send');
  59         Hook::register('jot_networks',            __FILE__, 'bluesky_jot_nets');
  60         Hook::register('connector_settings',      __FILE__, 'bluesky_settings');
  61         Hook::register('connector_settings_post', __FILE__, 'bluesky_settings_post');
  62         Hook::register('cron',                    __FILE__, 'bluesky_cron');
  63         Hook::register('support_follow',          __FILE__, 'bluesky_support_follow');
  64         Hook::register('support_probe',           __FILE__, 'bluesky_support_probe');
  65         Hook::register('follow',                  __FILE__, 'bluesky_follow');
  66         Hook::register('unfollow',                __FILE__, 'bluesky_unfollow');
  67         Hook::register('block',                   __FILE__, 'bluesky_block');
  68         Hook::register('unblock',                 __FILE__, 'bluesky_unblock');
  69         Hook::register('check_item_notification', __FILE__, 'bluesky_check_item_notification');
  70         Hook::register('probe_detect',            __FILE__, 'bluesky_probe_detect');
  71         Hook::register('item_by_link',            __FILE__, 'bluesky_item_by_link');
  72 }
  73
  74 function bluesky_load_config(ConfigFileManager $loader)
  75 {
  76         DI::app()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
  77 }
  78
  79 function bluesky_check_item_notification(array &$notification_data)
  80 {
  81         $did = DI::pConfig()->get($notification_data['uid'], 'bluesky', 'did');
  82
  83         if (!empty($did)) {
  84                 $notification_data['profiles'][] = $did;
  85         }
  86 }
  87
  88 function bluesky_probe_detect(array &$hookData)
  89 {
  90         // Don't overwrite an existing result
  91         if (isset($hookData['result'])) {
  92                 return;
  93         }
  94
  95         // Avoid a lookup for the wrong network
  96         if (!in_array($hookData['network'], ['', Protocol::BLUESKY])) {
  97                 return;
  98         }
  99
 100         $pconfig = DBA::selectFirst('pconfig', ['uid'], ["`cat` = ? AND `k` = ? AND `v` != ?", 'bluesky', 'access_token', '']);
 101         if (empty($pconfig['uid'])) {
 102                 return;
 103         }
 104
 105         if (parse_url($hookData['uri'], PHP_URL_SCHEME) == 'did') {
 106                 $did = $hookData['uri'];
 107         } elseif (preg_match('#^' . BLUESKY_HOST . '/profile/(.+)#', $hookData['uri'], $matches)) {
 108                 $did = bluesky_get_did($pconfig['uid'], $matches[1]);
 109                 if (empty($did)) {
 110                         return;
 111                 }
 112         } else {
 113                 return;
 114         }
 115
 116         $token = bluesky_get_token($pconfig['uid']);
 117         if (empty($token)) {
 118                 return;
 119         }
 120
 121         $data = bluesky_get($pconfig['uid'], '/xrpc/app.bsky.actor.getProfile?actor=' . $did, HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . $token]]]);
 122         if (empty($data)) {
 123                 return;
 124         }
 125
 126         $hookData['result'] = bluesky_get_contact_fields($data, 0, false);
 127
 128         // Preparing probe data. This differs slightly from the contact array
 129         $hookData['result']['about']    = HTML::toBBCode($data->description ?? '');
 130         $hookData['result']['photo']    = $data->avatar ?? '';
 131         $hookData['result']['header']   = $data->banner ?? '';
 132         $hookData['result']['batch']    = '';
 133         $hookData['result']['notify']   = '';
 134         $hookData['result']['poll']     = '';
 135         $hookData['result']['poco']     = '';
 136         $hookData['result']['pubkey']   = '';
 137         $hookData['result']['priority'] = 0;
 138         $hookData['result']['guid']     = '';
 139 }
 140
 141 function bluesky_item_by_link(array &$hookData)
 142 {
 143         // Don't overwrite an existing result
 144         if (isset($hookData['item_id'])) {
 145                 return;
 146         }
 147
 148         $token = bluesky_get_token($hookData['uid']);
 149         if (empty($token)) {
 150                 return;
 151         }
 152
 153         if (!preg_match('#^' . BLUESKY_HOST . '/profile/(.+)/post/(.+)#', $hookData['uri'], $matches)) {
 154                 return;
 155         }
 156
 157         $did = bluesky_get_did($hookData['uid'], $matches[1]);
 158         if (empty($did)) {
 159                 return;
 160         }
 161
 162         Logger::debug('Found bluesky post', ['url' => $hookData['uri'], 'handle' => $matches[1], 'did' => $did, 'cid' => $matches[2]]);
 163
 164         $uri = 'at://' . $did . '/app.bsky.feed.post/' . $matches[2];
 165
 166         $uri = bluesky_fetch_missing_post($uri, $hookData['uid'], 0);
 167         Logger::debug('Got post', ['profile' => $matches[1], 'cid' => $matches[2], 'result' => $uri]);
 168         if (!empty($uri)) {
 169                 $item = Post::selectFirst(['id'], ['uri' => $uri, 'uid' => $hookData['uid']]);
 170                 if (!empty($item['id'])) {
 171                         $hookData['item_id'] = $item['id'];
 172                 }
 173         }
 174 }
 175
 176 function bluesky_support_follow(array &$data)
 177 {
 178         if ($data['protocol'] == Protocol::BLUESKY) {
 179                 $data['result'] = true;
 180         }
 181 }
 182
 183 function bluesky_support_probe(array &$data)
 184 {
 185         if ($data['protocol'] == Protocol::BLUESKY) {
 186                 $data['result'] = true;
 187         }
 188 }
 189
 190 function bluesky_follow(array &$hook_data)
 191 {
 192         $token = bluesky_get_token($hook_data['uid']);
 193         if (empty($token)) {
 194                 return;
 195         }
 196
 197         Logger::debug('Check if contact is bluesky', ['data' => $hook_data]);
 198         $contact = DBA::selectFirst('contact', [], ['network' => Protocol::BLUESKY, 'url' => $hook_data['url'], 'uid' => [0, $hook_data['uid']]]);
 199         if (empty($contact)) {
 200                 return;
 201         }
 202
 203         $record = [
 204                 'subject'   => $contact['url'],
 205                 'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
 206                 '$type'     => 'app.bsky.graph.follow'
 207         ];
 208
 209         $post = [
 210                 'collection' => 'app.bsky.graph.follow',
 211                 'repo'       => DI::pConfig()->get($hook_data['uid'], 'bluesky', 'did'),
 212                 'record'     => $record
 213         ];
 214
 215         $activity = bluesky_post($hook_data['uid'], '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
 216         if (!empty($activity->uri)) {
 217                 $hook_data['contact'] = $contact;
 218                 Logger::debug('Successfully start following', ['url' => $contact['url'], 'uri' => $activity->uri]);
 219         }
 220 }
 221
 222 function bluesky_unfollow(array &$hook_data)
 223 {
 224         $token = bluesky_get_token($hook_data['uid']);
 225         if (empty($token)) {
 226                 return;
 227         }
 228
 229         if ($hook_data['contact']['network'] != Protocol::BLUESKY) {
 230                 return;
 231         }
 232
 233         $data = bluesky_get($hook_data['uid'], '/xrpc/app.bsky.actor.getProfile?actor=' . $hook_data['contact']['url'], HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . $token]]]);
 234         if (empty($data->viewer) || empty($data->viewer->following)) {
 235                 return;
 236         }
 237
 238         bluesky_delete_post($data->viewer->following, $hook_data['uid']);
 239
 240         $hook_data['result'] = true;
 241 }
 242
 243 function bluesky_block(array &$hook_data)
 244 {
 245         $token = bluesky_get_token($hook_data['uid']);
 246         if (empty($token)) {
 247                 return;
 248         }
 249
 250         Logger::debug('Check if contact is bluesky', ['data' => $hook_data]);
 251         $contact = DBA::selectFirst('contact', [], ['network' => Protocol::BLUESKY, 'url' => $hook_data['url'], 'uid' => [0, $hook_data['uid']]]);
 252         if (empty($contact)) {
 253                 return;
 254         }
 255
 256         $record = [
 257                 'subject'   => $contact['url'],
 258                 'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
 259                 '$type'     => 'app.bsky.graph.block'
 260         ];
 261
 262         $post = [
 263                 'collection' => 'app.bsky.graph.block',
 264                 'repo'       => DI::pConfig()->get($hook_data['uid'], 'bluesky', 'did'),
 265                 'record'     => $record
 266         ];
 267
 268         $activity = bluesky_post($hook_data['uid'], '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
 269         if (!empty($activity->uri)) {
 270                 $cdata = Contact::getPublicAndUserContactID($hook_data['contact']['id'], $hook_data['uid']);
 271                 if (!empty($cdata['user'])) {
 272                         Contact::remove($cdata['user']);
 273                 }
 274                 Logger::debug('Successfully blocked contact', ['url' => $hook_data['contact']['url'], 'uri' => $activity->uri]);
 275         }
 276 }
 277
 278 function bluesky_unblock(array &$hook_data)
 279 {
 280         $token = bluesky_get_token($hook_data['uid']);
 281         if (empty($token)) {
 282                 return;
 283         }
 284
 285         if ($hook_data['contact']['network'] != Protocol::BLUESKY) {
 286                 return;
 287         }
 288
 289         $data = bluesky_get($hook_data['uid'], '/xrpc/app.bsky.actor.getProfile?actor=' . $hook_data['contact']['url'], HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . $token]]]);
 290         if (empty($data->viewer) || empty($data->viewer->blocking)) {
 291                 return;
 292         }
 293
 294         bluesky_delete_post($data->viewer->blocking, $hook_data['uid']);
 295
 296         $hook_data['result'] = true;
 297 }
 298
 299 function bluesky_settings(array &$data)
 300 {
 301         if (!DI::userSession()->getLocalUserId()) {
 302                 return;
 303         }
 304
 305         $enabled      = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post') ?? false;
 306         $def_enabled  = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default') ?? false;
 307         $host         = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'host') ?: 'https://bsky.social';
 308         $handle       = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
 309         $did          = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
 310         $token        = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'access_token');
 311         $import       = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import') ?? false;
 312         $import_feeds = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import_feeds') ?? false;
 313
 314         $status = $token ? DI::l10n()->t("You are authenticated to Bluesky. For security reasons the password isn't stored.") : DI::l10n()->t('You are not authenticated. Please enter the app password.');
 315
 316         $t    = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/bluesky/');
 317         $html = Renderer::replaceMacros($t, [
 318                 '$enable'       => ['bluesky', DI::l10n()->t('Enable Bluesky Post Addon'), $enabled],
 319                 '$bydefault'    => ['bluesky_bydefault', DI::l10n()->t('Post to Bluesky by default'), $def_enabled],
 320                 '$import'       => ['bluesky_import', DI::l10n()->t('Import the remote timeline'), $import],
 321                 '$import_feeds' => ['bluesky_import_feeds', DI::l10n()->t('Import the pinned feeds'), $import_feeds, DI::l10n()->t('When activated, Posts will be imported from all the feeds that you pinned in Bluesky.')],
 322                 '$host'         => ['bluesky_host', DI::l10n()->t('Bluesky host'), $host, '', '', 'readonly'],
 323                 '$handle'       => ['bluesky_handle', DI::l10n()->t('Bluesky handle'), $handle],
 324                 '$did'          => ['bluesky_did', DI::l10n()->t('Bluesky DID'), $did, DI::l10n()->t('This is the unique identifier. It will be fetched automatically, when the handle is entered.'), '', 'readonly'],
 325                 '$password'     => ['bluesky_password', DI::l10n()->t('Bluesky app password'), '', DI::l10n()->t("Please don't add your real password here, but instead create a specific app password in the Bluesky settings.")],
 326                 '$status'       => $status
 327         ]);
 328
 329         $data = [
 330                 'connector' => 'bluesky',
 331                 'title'     => DI::l10n()->t('Bluesky Import/Export'),
 332                 'image'     => 'images/bluesky.jpg',
 333                 'enabled'   => $enabled,
 334                 'html'      => $html,
 335         ];
 336 }
 337
 338 function bluesky_settings_post(array &$b)
 339 {
 340         if (empty($_POST['bluesky-submit'])) {
 341                 return;
 342         }
 343
 344         $old_host   = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'host');
 345         $old_handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
 346         $old_did    = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
 347
 348         $host   = $_POST['bluesky_host'];
 349         $handle = $_POST['bluesky_handle'];
 350
 351         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post',            intval($_POST['bluesky']));
 352         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default', intval($_POST['bluesky_bydefault']));
 353         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'host',            $host);
 354         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'handle',          $handle);
 355         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import',          intval($_POST['bluesky_import']));
 356         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import_feeds',    intval($_POST['bluesky_import_feeds']));
 357
 358         if (!empty($host) && !empty($handle)) {
 359                 if (empty($old_did) || $old_host != $host || $old_handle != $handle) {
 360                         DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'did', bluesky_get_did(DI::userSession()->getLocalUserId(), DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle')));
 361                 }
 362         } else {
 363                 DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
 364         }
 365
 366         if (!empty($_POST['bluesky_password'])) {
 367                 bluesky_create_token(DI::userSession()->getLocalUserId(), $_POST['bluesky_password']);
 368         }
 369 }
 370
 371 function bluesky_jot_nets(array &$jotnets_fields)
 372 {
 373         if (!DI::userSession()->getLocalUserId()) {
 374                 return;
 375         }
 376
 377         if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post')) {
 378                 $jotnets_fields[] = [
 379                         'type'  => 'checkbox',
 380                         'field' => [
 381                                 'bluesky_enable',
 382                                 DI::l10n()->t('Post to Bluesky'),
 383                                 DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default')
 384                         ]
 385                 ];
 386         }
 387 }
 388
 389 function bluesky_cron()
 390 {
 391         $last = DI::keyValue()->get('bluesky_last_poll');
 392
 393         $poll_interval = intval(DI::config()->get('bluesky', 'poll_interval'));
 394         if (!$poll_interval) {
 395                 $poll_interval = BLUESKY_DEFAULT_POLL_INTERVAL;
 396         }
 397
 398         if ($last) {
 399                 $next = $last + ($poll_interval * 60);
 400                 if ($next > time()) {
 401                         Logger::notice('poll interval not reached');
 402                         return;
 403                 }
 404         }
 405         Logger::notice('cron_start');
 406
 407         $abandon_days = intval(DI::config()->get('system', 'account_abandon_days'));
 408         if ($abandon_days < 1) {
 409                 $abandon_days = 0;
 410         }
 411
 412         $abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
 413
 414         $pconfigs = DBA::selectToArray('pconfig', [], ['cat' => 'bluesky', 'k' => 'import', 'v' => true]);
 415         foreach ($pconfigs as $pconfig) {
 416                 if ($abandon_days != 0) {
 417                         if (!DBA::exists('user', ["`uid` = ? AND `login_date` >= ?", $pconfig['uid'], $abandon_limit])) {
 418                                 Logger::notice('abandoned account: timeline from user will not be imported', ['user' => $pconfig['uid']]);
 419                                 continue;
 420                         }
 421                 }
 422
 423                 Logger::notice('importing timeline - start', ['user' => $pconfig['uid']]);
 424                 bluesky_fetch_timeline($pconfig['uid']);
 425                 Logger::notice('importing timeline - done', ['user' => $pconfig['uid']]);
 426
 427                 Logger::notice('importing notifications - start', ['user' => $pconfig['uid']]);
 428                 bluesky_fetch_notifications($pconfig['uid']);
 429                 Logger::notice('importing notifications - done', ['user' => $pconfig['uid']]);
 430
 431                 if (DI::pConfig()->get($pconfig['uid'], 'bluesky', 'import_feeds')) {
 432                         Logger::notice('importing feeds - start', ['user' => $pconfig['uid']]);
 433                         $feeds = bluesky_get_feeds($pconfig['uid']);
 434                         foreach ($feeds as $feed) {
 435                                 Logger::debug('Importing feed', ['user' => $pconfig['uid'], 'feed' => $feed]);
 436                                 bluesky_fetch_feed($pconfig['uid'], $feed);
 437                         }
 438                         Logger::notice('importing feeds - done', ['user' => $pconfig['uid']]);
 439                 }
 440         }
 441
 442         $last_clean = DI::keyValue()->get('bluesky_last_clean');
 443         if (empty($last_clean) || ($last_clean + 86400 < time())) {
 444                 Logger::notice('Start contact cleanup');
 445                 $contacts = DBA::select('account-user-view', ['id', 'pid'], ["`network` = ? AND `uid` != ? AND `rel` = ?", Protocol::BLUESKY, 0, Contact::NOTHING]);
 446                 while ($contact = DBA::fetch($contacts)) {
 447                         Worker::add(Worker::PRIORITY_LOW, 'MergeContact', $contact['pid'], $contact['id'], 0);
 448                 }
 449                 DBA::close($contacts);
 450                 DI::keyValue()->set('bluesky_last_clean', time());
 451                 Logger::notice('Contact cleanup done');
 452         }
 453
 454         Logger::notice('cron_end');
 455
 456         DI::keyValue()->set('bluesky_last_poll', time());
 457 }
 458
 459 function bluesky_hook_fork(array &$b)
 460 {
 461         if ($b['name'] != 'notifier_normal') {
 462                 return;
 463         }
 464
 465         $post = $b['data'];
 466
 467         if (($post['created'] !== $post['edited']) && !$post['deleted']) {
 468                 DI::logger()->info('Editing is not supported by the addon');
 469                 $b['execute'] = false;
 470                 return;
 471         }
 472
 473         if (DI::pConfig()->get($post['uid'], 'bluesky', 'import')) {
 474                 // Don't post if it isn't a reply to a bluesky post
 475                 if (($post['parent'] != $post['id']) && !Post::exists(['id' => $post['parent'], 'network' => Protocol::BLUESKY])) {
 476                         Logger::notice('No bluesky parent found', ['item' => $post['id']]);
 477                         $b['execute'] = false;
 478                         return;
 479                 }
 480         } elseif (!strstr($post['postopts'] ?? '', 'bluesky') || ($post['parent'] != $post['id']) || $post['private']) {
 481                 DI::logger()->info('Activities are never exported when we don\'t import the bluesky timeline', ['uid' => $post['uid']]);
 482                 $b['execute'] = false;
 483                 return;
 484         }
 485 }
 486
 487 function bluesky_post_local(array &$b)
 488 {
 489         if ($b['edit']) {
 490                 return;
 491         }
 492
 493         if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
 494                 return;
 495         }
 496
 497         if ($b['private'] || $b['parent']) {
 498                 return;
 499         }
 500
 501         $bluesky_post   = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post'));
 502         $bluesky_enable = (($bluesky_post && !empty($_REQUEST['bluesky_enable'])) ? intval($_REQUEST['bluesky_enable']) : 0);
 503
 504         // if API is used, default to the chosen settings
 505         if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default'))) {
 506                 $bluesky_enable = 1;
 507         }
 508
 509         if (!$bluesky_enable) {
 510                 return;
 511         }
 512
 513         if (strlen($b['postopts'])) {
 514                 $b['postopts'] .= ',';
 515         }
 516
 517         $b['postopts'] .= 'bluesky';
 518 }
 519
 520 function bluesky_send(array &$b)
 521 {
 522         if (($b['created'] !== $b['edited']) && !$b['deleted']) {
 523                 return;
 524         }
 525
 526         if ($b['gravity'] != Item::GRAVITY_PARENT) {
 527                 Logger::debug('Got comment', ['item' => $b]);
 528
 529                 if ($b['deleted']) {
 530                         $uri = bluesky_get_uri_class($b['uri']);
 531                         if (empty($uri)) {
 532                                 Logger::debug('Not a bluesky post', ['uri' => $b['uri']]);
 533                                 return;
 534                         }
 535                         bluesky_delete_post($b['uri'], $b['uid']);
 536                         return;
 537                 }
 538
 539                 $root   = bluesky_get_uri_class($b['parent-uri']);
 540                 $parent = bluesky_get_uri_class($b['thr-parent']);
 541
 542                 if (empty($root) || empty($parent)) {
 543                         Logger::debug('No bluesky post', ['parent' => $b['parent'], 'thr-parent' => $b['thr-parent']]);
 544                         return;
 545                 }
 546
 547                 if ($b['gravity'] == Item::GRAVITY_COMMENT) {
 548                         Logger::debug('Posting comment', ['root' => $root, 'parent' => $parent]);
 549                         bluesky_create_post($b, $root, $parent);
 550                         return;
 551                 } elseif (in_array($b['verb'], [Activity::LIKE, Activity::ANNOUNCE])) {
 552                         bluesky_create_activity($b, $parent);
 553                 }
 554                 return;
 555         } elseif ($b['private'] || !strstr($b['postopts'], 'bluesky')) {
 556                 return;
 557         }
 558
 559         bluesky_create_post($b);
 560 }
 561
 562 function bluesky_create_activity(array $item, stdClass $parent = null)
 563 {
 564         $uid = $item['uid'];
 565         $token = bluesky_get_token($uid);
 566         if (empty($token)) {
 567                 return;
 568         }
 569
 570         $did  = DI::pConfig()->get($uid, 'bluesky', 'did');
 571
 572         if ($item['verb'] == Activity::LIKE) {
 573                 $record = [
 574                         'subject'   => $parent,
 575                         'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
 576                         '$type'     => 'app.bsky.feed.like'
 577                 ];
 578
 579                 $post = [
 580                         'collection' => 'app.bsky.feed.like',
 581                         'repo'       => $did,
 582                         'record'     => $record
 583                 ];
 584         } elseif ($item['verb'] == Activity::ANNOUNCE) {
 585                 $record = [
 586                         'subject'   => $parent,
 587                         'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
 588                         '$type'     => 'app.bsky.feed.repost'
 589                 ];
 590
 591                 $post = [
 592                         'collection' => 'app.bsky.feed.repost',
 593                         'repo'       => $did,
 594                         'record'     => $record
 595                 ];
 596         }
 597
 598         $activity = bluesky_post($uid, '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
 599         if (empty($activity)) {
 600                 return;
 601         }
 602         Logger::debug('Activity done', ['return' => $activity]);
 603         $uri = bluesky_get_uri($activity);
 604         Item::update(['extid' => $uri], ['id' => $item['id']]);
 605         Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $activity]);
 606 }
 607
 608 function bluesky_create_post(array $item, stdClass $root = null, stdClass $parent = null)
 609 {
 610         $uid = $item['uid'];
 611         $token = bluesky_get_token($uid);
 612         if (empty($token)) {
 613                 return;
 614         }
 615
 616         $did  = DI::pConfig()->get($uid, 'bluesky', 'did');
 617         $urls = bluesky_get_urls($item['body']);
 618
 619         $msg = Plaintext::getPost($item, 300, false, BBCode::BLUESKY);
 620         foreach ($msg['parts'] as $key => $part) {
 621
 622                 $facets = bluesky_get_facets($part, $urls);
 623
 624                 $record = [
 625                         'text'      => $facets['body'],
 626                         'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
 627                         '$type'     => 'app.bsky.feed.post'
 628                 ];
 629
 630                 if (!empty($facets['facets'])) {
 631                         $record['facets'] = $facets['facets'];
 632                 }
 633
 634                 if (!empty($root)) {
 635                         $record['reply'] = ['root' => $root, 'parent' => $parent];
 636                 }
 637
 638                 if ($key == count($msg['parts']) - 1) {
 639                         $record = bluesky_add_embed($uid, $msg, $record);
 640                 }
 641
 642                 $post = [
 643                         'collection' => 'app.bsky.feed.post',
 644                         'repo'       => $did,
 645                         'record'     => $record
 646                 ];
 647
 648                 $parent = bluesky_post($uid, '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
 649                 if (empty($parent)) {
 650                         return;
 651                 }
 652                 Logger::debug('Posting done', ['return' => $parent]);
 653                 if (empty($root)) {
 654                         $root = $parent;
 655                 }
 656                 if (($key == 0) && ($item['gravity'] != Item::GRAVITY_PARENT)) {
 657                         $uri = bluesky_get_uri($parent);
 658                         Item::update(['extid' => $uri], ['id' => $item['id']]);
 659                         Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $uri]);
 660                 }
 661         }
 662 }
 663
 664 function bluesky_get_urls(string $body): array
 665 {
 666         // Remove all hashtags and mentions
 667         $body = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '', $body);
 668
 669         $urls = [];
 670
 671         // Search for pure links
 672         if (preg_match_all("/\[url\](https?:.*?)\[\/url\]/ism", $body, $matches)) {
 673                 foreach ($matches[1] as $url) {
 674                         $urls[] = $url;
 675                 }
 676         }
 677
 678         // Search for links with descriptions
 679         if (preg_match_all("/\[url\=(https?:.*?)\].*?\[\/url\]/ism", $body, $matches)) {
 680                 foreach ($matches[1] as $url) {
 681                         $urls[] = $url;
 682                 }
 683         }
 684         return $urls;
 685 }
 686
 687 function bluesky_get_facets(string $body, array $urls): array
 688 {
 689         $facets = [];
 690
 691         foreach ($urls as $url) {
 692                 $pos = strpos($body, $url);
 693                 if ($pos === false) {
 694                         continue;
 695                 }
 696                 if ($pos > 0) {
 697                         $prefix = substr($body, 0, $pos);
 698                 } else {
 699                         $prefix = '';
 700                 }
 701                 $linktext = Strings::getStyledURL($url);
 702                 $body = $prefix . $linktext . substr($body, $pos + strlen($url));
 703
 704                 $facet = new stdClass;
 705                 $facet->index = new stdClass;
 706                 $facet->index->byteEnd   = $pos + strlen($linktext);
 707                 $facet->index->byteStart = $pos;
 708
 709                 $feature = new stdClass;
 710                 $feature->uri = $url;
 711                 $type = '$type';
 712                 $feature->$type = 'app.bsky.richtext.facet#link';
 713
 714                 $facet->features = [$feature];
 715                 $facets[] = $facet;
 716         }
 717
 718         return ['facets' => $facets, 'body' => $body];
 719 }
 720
 721 function bluesky_add_embed(int $uid, array $msg, array $record): array
 722 {
 723         if (($msg['type'] != 'link') && !empty($msg['images'])) {
 724                 $images = [];
 725                 foreach ($msg['images'] as $image) {
 726                         $photo = Photo::selectFirst(['resource-id'], ['id' => $image['id']]);
 727                         $photo = Photo::selectFirst([], ["`resource-id` = ? AND `scale` > ?", $photo['resource-id'], 0], ['order' => ['scale']]);
 728                         $blob = bluesky_upload_blob($uid, $photo);
 729                         if (!empty($blob) && count($images) < 4) {
 730                                 $images[] = ['alt' => $image['description'] ?? '', 'image' => $blob];
 731                         }
 732                 }
 733                 if (!empty($images)) {
 734                         $record['embed'] = ['$type' => 'app.bsky.embed.images', 'images' => $images];
 735                 }
 736         } elseif ($msg['type'] == 'link') {
 737                 $record['embed'] = [
 738                         '$type'    => 'app.bsky.embed.external',
 739                         'external' => [
 740                                 'uri'         => $msg['url'],
 741                                 'title'       => $msg['title'],
 742                                 'description' => $msg['description'],
 743                         ]
 744                 ];
 745                 if (!empty($msg['image'])) {
 746                         $photo = Photo::createPhotoForExternalResource($msg['image']);
 747                         $blob = bluesky_upload_blob($uid, $photo);
 748                         if (!empty($blob)) {
 749                                 $record['embed']['external']['thumb'] = $blob;
 750                         }
 751                 }
 752         }
 753         return $record;
 754 }
 755
 756 function bluesky_upload_blob(int $uid, array $photo): ?stdClass
 757 {
 758         $content = Photo::getImageForPhoto($photo);
 759         $data = bluesky_post($uid, '/xrpc/com.atproto.repo.uploadBlob', $content, ['Content-type' => $photo['type'], 'Authorization' => ['Bearer ' . bluesky_get_token($uid)]]);
 760         if (empty($data)) {
 761                 return null;
 762         }
 763
 764         Logger::debug('Uploaded blob', ['return' => $data]);
 765         return $data->blob;
 766 }
 767
 768 function bluesky_delete_post(string $uri, int $uid)
 769 {
 770         $token = bluesky_get_token($uid);
 771         $parts = bluesky_get_uri_parts($uri);
 772         if (empty($parts)) {
 773                 Logger::debug('No uri delected', ['uri' => $uri]);
 774                 return;
 775         }
 776         bluesky_post($uid, '/xrpc/com.atproto.repo.deleteRecord', json_encode($parts), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
 777         Logger::debug('Deleted', ['parts' => $parts]);
 778 }
 779
 780 function bluesky_fetch_timeline(int $uid)
 781 {
 782         $data = bluesky_get($uid, '/xrpc/app.bsky.feed.getTimeline', HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
 783         if (empty($data)) {
 784                 return;
 785         }
 786
 787         if (empty($data->feed)) {
 788                 return;
 789         }
 790
 791         foreach (array_reverse($data->feed) as $entry) {
 792                 bluesky_process_post($entry->post, $uid, Item::PR_NONE);
 793                 if (!empty($entry->reason)) {
 794                         bluesky_process_reason($entry->reason, bluesky_get_uri($entry->post), $uid);
 795                 }
 796         }
 797
 798         // @todo Support paging
 799         // [cursor] => 1684670516000::bafyreidq3ilwslmlx72jf5vrk367xcc63s6lrhzlyup2bi3zwcvso6w2vi
 800 }
 801
 802 function bluesky_process_reason(stdClass $reason, string $uri, int $uid)
 803 {
 804         $type = '$type';
 805         if ($reason->$type != 'app.bsky.feed.defs#reasonRepost') {
 806                 return;
 807         }
 808
 809         $contact = bluesky_get_contact($reason->by, $uid, $uid);
 810
 811         $item = [
 812                 'network'       => Protocol::BLUESKY,
 813                 'uid'           => $uid,
 814                 'wall'          => false,
 815                 'uri'           => $reason->by->did . '/app.bsky.feed.repost/' . $reason->indexedAt,
 816                 'private'       => Item::UNLISTED,
 817                 'verb'          => Activity::POST,
 818                 'contact-id'    => $contact['id'],
 819                 'author-name'   => $contact['name'],
 820                 'author-link'   => $contact['url'],
 821                 'author-avatar' => $contact['avatar'],
 822                 'verb'          => Activity::ANNOUNCE,
 823                 'body'          => Activity::ANNOUNCE,
 824                 'gravity'       => Item::GRAVITY_ACTIVITY,
 825                 'object-type'   => Activity\ObjectType::NOTE,
 826                 'thr-parent'    => $uri,
 827         ];
 828
 829         if (Post::exists(['uri' => $item['uri'], 'uid' => $uid])) {
 830                 return;
 831         }
 832
 833         $item['owner-name']   = $item['author-name'];
 834         $item['owner-link']   = $item['author-link'];
 835         $item['owner-avatar'] = $item['author-avatar'];
 836         if (Item::insert($item)) {
 837                 $cdata = Contact::getPublicAndUserContactID($contact['id'], $uid);
 838                 Item::update(['post-reason' => Item::PR_ANNOUNCEMENT, 'causer-id' => $cdata['public']], ['uri' => $uri, 'uid' => $uid]);
 839         }
 840 }
 841
 842 function bluesky_fetch_notifications(int $uid)
 843 {
 844         $result = bluesky_get($uid, '/xrpc/app.bsky.notification.listNotifications', HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
 845         if (empty($result->notifications)) {
 846                 return;
 847         }
 848         foreach ($result->notifications as $notification) {
 849                 $uri = bluesky_get_uri($notification);
 850                 if (Post::exists(['uri' => $uri, 'uid' => $uid]) || Post::exists(['extid' => $uri, 'uid' => $uid])) {
 851                         Logger::debug('Notification already processed', ['uid' => $uid, 'reason' => $notification->reason, 'uri' => $uri, 'indexedAt' => $notification->indexedAt]);
 852                         continue;
 853                 }
 854                 Logger::debug('Process notification', ['uid' => $uid, 'reason' => $notification->reason, 'uri' => $uri, 'indexedAt' => $notification->indexedAt]);
 855                 switch ($notification->reason) {
 856                         case 'like':
 857                                 $item = bluesky_get_header($notification, $uri, $uid, $uid);
 858                                 $item['gravity'] = Item::GRAVITY_ACTIVITY;
 859                                 $item['body'] = $item['verb'] = Activity::LIKE;
 860                                 $item['thr-parent'] = bluesky_get_uri($notification->record->subject);
 861                                 $result = Item::insert($item);
 862                                 Logger::debug('Got like', ['uid' => $uid, 'result' => $result]);
 863                                 break;
 864
 865                         case 'repost':
 866                                 $item = bluesky_get_header($notification, $uri, $uid, $uid);
 867                                 $item['gravity'] = Item::GRAVITY_ACTIVITY;
 868                                 $item['body'] = $item['verb'] = Activity::ANNOUNCE;
 869                                 $item['thr-parent'] = bluesky_get_uri($notification->record->subject);
 870                                 $result = Item::insert($item);
 871                                 Logger::debug('Got repost', ['uid' => $uid, 'result' => $result]);
 872                                 break;
 873
 874                         case 'follow':
 875                                 $contact = bluesky_get_contact($notification->author, $uid, $uid);
 876                                 Logger::debug('New follower', ['uid' => $uid, 'nick' => $contact['nick']]);
 877                                 break;
 878
 879                         case 'mention':
 880                                 $result = bluesky_process_post($notification, $uid, Item::PR_PUSHED);
 881                                 Logger::debug('Got mention', ['uid' => $uid, 'result' => $result]);
 882                                 break;
 883
 884                         case 'reply':
 885                                 $result = bluesky_process_post($notification, $uid, Item::PR_PUSHED);
 886                                 Logger::debug('Got reply', ['uid' => $uid, 'result' => $result]);
 887                                 break;
 888
 889                         case 'quote':
 890                                 $result = bluesky_process_post($notification, $uid, Item::PR_PUSHED);
 891                                 Logger::debug('Got quote', ['uid' => $uid, 'result' => $result]);
 892                                 break;
 893
 894                         default:
 895                                 Logger::notice('Unhandled reason', ['reason' => $notification->reason]);
 896                                 break;
 897                 }
 898         }
 899 }
 900
 901 function bluesky_fetch_feed(int $uid, string $feed)
 902 {
 903         $data = bluesky_get($uid, '/xrpc/app.bsky.feed.getFeed?feed=' . $feed, HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
 904         if (empty($data)) {
 905                 return;
 906         }
 907
 908         if (empty($data->feed)) {
 909                 return;
 910         }
 911
 912         foreach (array_reverse($data->feed) as $entry) {
 913                 if (!Relay::isWantedLanguage($entry->post->record->text)) {
 914                         Logger::debug('Unwanted language detected', ['text' => $entry->post->record->text]);
 915                         continue;
 916                 }
 917                 bluesky_process_post($entry->post, $uid, Item::PR_TAG);
 918                 if (!empty($entry->reason)) {
 919                         bluesky_process_reason($entry->reason, bluesky_get_uri($entry->post), $uid);
 920                 }
 921         }
 922 }
 923
 924 function bluesky_process_post(stdClass $post, int $uid, int $post_reason): int
 925 {
 926         $uri = bluesky_get_uri($post);
 927
 928         if (Post::exists(['uri' => $uri, 'uid' => $uid]) || Post::exists(['extid' => $uri, 'uid' => $uid])) {
 929                 return 0;
 930         }
 931
 932         Logger::debug('Importing post', ['uid' => $uid, 'indexedAt' => $post->indexedAt, 'uri' => $post->uri, 'cid' => $post->cid]);
 933
 934         $item = bluesky_get_header($post, $uri, $uid, $uid);
 935
 936         $item = bluesky_get_content($item, $post->record, $uid);
 937
 938         if (!empty($post->embed)) {
 939                 $item = bluesky_add_media($post->embed, $item, $uid);
 940         }
 941
 942         if (empty($item['post-reason'])) {
 943                 $item['post-reason'] = $post_reason;
 944         }
 945
 946         return item::insert($item);
 947 }
 948
 949 function bluesky_get_header(stdClass $post, string $uri, int $uid, int $fetch_uid): array
 950 {
 951         $parts = bluesky_get_uri_parts($uri);
 952         if (empty($post->author)) {
 953                 return [];
 954         }
 955         $contact = bluesky_get_contact($post->author, $uid, $fetch_uid);
 956         $item = [
 957                 'network'       => Protocol::BLUESKY,
 958                 'uid'           => $uid,
 959                 'wall'          => false,
 960                 'uri'           => $uri,
 961                 'guid'          => $post->cid,
 962                 'private'       => Item::UNLISTED,
 963                 'verb'          => Activity::POST,
 964                 'contact-id'    => $contact['id'],
 965                 'author-name'   => $contact['name'],
 966                 'author-link'   => $contact['url'],
 967                 'author-avatar' => $contact['avatar'],
 968                 'plink'         => $contact['alias'] . '/post/' . $parts->rkey,
 969         ];
 970
 971         $item['uri-id']       = ItemURI::getIdByURI($uri);
 972         $item['owner-name']   = $item['author-name'];
 973         $item['owner-link']   = $item['author-link'];
 974         $item['owner-avatar'] = $item['author-avatar'];
 975
 976         if (in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])) {
 977                 $item['post-reason'] = Item::PR_FOLLOWER;
 978         }
 979
 980         return $item;
 981 }
 982
 983 function bluesky_get_content(array $item, stdClass $record, int $uid): array
 984 {
 985         if (!empty($record->reply)) {
 986                 $item['parent-uri'] = bluesky_get_uri($record->reply->root);
 987                 $item['parent-uri'] = bluesky_fetch_missing_post($item['parent-uri'], $uid, $item['contact-id']);
 988                 $item['thr-parent'] = bluesky_get_uri($record->reply->parent);
 989                 $item['thr-parent'] = bluesky_fetch_missing_post($item['thr-parent'], $uid, $item['contact-id']);
 990         }
 991
 992         $item['body']    = bluesky_get_text($record, $uid);
 993         $item['created'] = DateTimeFormat::utc($record->createdAt, DateTimeFormat::MYSQL);
 994         return $item;
 995 }
 996
 997 function bluesky_get_text(stdClass $record, int $uid): string
 998 {
 999         $text = $record->text;
1000
1001         if (empty($record->facets)) {
1002                 return $text;
1003         }
1004
1005         $facets = [];
1006         foreach ($record->facets as $facet) {
1007                 $facets[$facet->index->byteStart] = $facet;
1008         }
1009         krsort($facets);
1010
1011         foreach ($facets as $facet) {
1012                 $prefix   = substr($text, 0, $facet->index->byteStart);
1013                 $linktext = substr($text, $facet->index->byteStart, $facet->index->byteEnd - $facet->index->byteStart);
1014                 $suffix   = substr($text, $facet->index->byteEnd);
1015
1016                 $url  = '';
1017                 $type = '$type';
1018                 foreach ($facet->features as $feature) {
1019
1020                         switch ($feature->$type) {
1021                                 case 'app.bsky.richtext.facet#link':
1022                                         $url = $feature->uri;
1023                                         break;
1024
1025                                 case 'app.bsky.richtext.facet#mention':
1026                                         $contact = Contact::selectFirst(['id'], ['nurl' => $feature->did, 'uid' => [0, $uid]]);
1027                                         if (!empty($contact['id'])) {
1028                                                 $url = DI::baseUrl() . '/contact/' . $contact['id'];
1029                                                 if (substr($linktext, 0, 1) == '@') {
1030                                                         $prefix .= '@';
1031                                                         $linktext = substr($linktext, 1);
1032                                                 }
1033                                         }
1034                                         break;
1035
1036                                 default:
1037                                         Logger::notice('Unhandled feature type', ['type' => $feature->$type, 'record' => $record]);
1038                                         break;
1039                         }
1040                 }
1041                 if (!empty($url)) {
1042                         $text = $prefix . '[url=' . $url . ']' . $linktext . '[/url]' . $suffix;
1043                 }
1044         }
1045         return $text;
1046 }
1047
1048 function bluesky_add_media(stdClass $embed, array $item, int $fetch_uid): array
1049 {
1050         $type = '$type';
1051         switch ($embed->$type) {
1052                 case 'app.bsky.embed.images#view':
1053                         foreach ($embed->images as $image) {
1054                                 $media = [
1055                                         'uri-id'      => $item['uri-id'],
1056                                         'type'        => Post\Media::IMAGE,
1057                                         'url'         => $image->fullsize,
1058                                         'preview'     => $image->thumb,
1059                                         'description' => $image->alt,
1060                                 ];
1061                                 Post\Media::insert($media);
1062                         }
1063                         break;
1064
1065                 case 'app.bsky.embed.external#view':
1066                         $media = [
1067                                 'uri-id' => $item['uri-id'],
1068                                 'type'        => Post\Media::HTML,
1069                                 'url'         => $embed->external->uri,
1070                                 'name'        => $embed->external->title,
1071                                 'description' => $embed->external->description,
1072                         ];
1073                         Post\Media::insert($media);
1074                         break;
1075
1076                 case 'app.bsky.embed.record#view':
1077                         $uri = bluesky_get_uri($embed->record);
1078                         $shared = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => $item['uid']]);
1079                         if (empty($shared)) {
1080                                 $shared = bluesky_get_header($embed->record, $uri, 0, $fetch_uid);
1081                                 if (!empty($shared)) {
1082                                         $shared = bluesky_get_content($shared, $embed->record->value, $item['uid']);
1083
1084                                         if (!empty($embed->record->embeds)) {
1085                                                 foreach ($embed->record->embeds as $single) {
1086                                                         $shared = bluesky_add_media($single, $shared, $fetch_uid);
1087                                                 }
1088                                         }
1089                                         $id = Item::insert($shared);
1090                                         $shared = Post::selectFirst(['uri-id'], ['id' => $id]);
1091                                 }
1092                         }
1093                         if (!empty($shared)) {
1094                                 $item['quote-uri-id'] = $shared['uri-id'];
1095                         }
1096                         break;
1097
1098                 case 'app.bsky.embed.recordWithMedia#view':
1099                         $uri = bluesky_get_uri($embed->record->record);
1100                         $shared = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => $item['uid']]);
1101                         if (empty($shared)) {
1102                                 $shared = bluesky_get_header($embed->record->record, $uri, 0, $fetch_uid);
1103                                 if (!empty($shared)) {
1104                                         $shared = bluesky_get_content($shared, $embed->record->record->value, $item['uid']);
1105
1106                                         if (!empty($embed->record->embeds)) {
1107                                                 foreach ($embed->record->record->embeds as $single) {
1108                                                         $shared = bluesky_add_media($single, $shared, $fetch_uid);
1109                                                 }
1110                                         }
1111
1112                                         if (!empty($embed->media)) {
1113                                                 bluesky_add_media($embed->media, $item, $fetch_uid);
1114                                         }
1115
1116                                         $id = Item::insert($shared);
1117                                         $shared = Post::selectFirst(['uri-id'], ['id' => $id]);
1118                                 }
1119                         }
1120                         if (!empty($shared)) {
1121                                 $item['quote-uri-id'] = $shared['uri-id'];
1122                         }
1123                         break;
1124
1125                 default:
1126                         Logger::notice('Unhandled embed type', ['type' => $embed->$type, 'embed' => $embed]);
1127                         break;
1128         }
1129         return $item;
1130 }
1131
1132 function bluesky_get_uri(stdClass $post): string
1133 {
1134         return $post->uri . ':' . $post->cid;
1135 }
1136
1137 function bluesky_get_uri_class(string $uri): ?stdClass
1138 {
1139         if (empty($uri)) {
1140                 return null;
1141         }
1142
1143         $elements = explode(':', $uri);
1144         if (empty($elements) || ($elements[0] != 'at')) {
1145                 $post = Post::selectFirstPost(['extid'], ['uri' => $uri]);
1146                 return bluesky_get_uri_class($post['extid'] ?? '');
1147         }
1148
1149         $class = new stdClass;
1150
1151         $class->cid = array_pop($elements);
1152         $class->uri = implode(':', $elements);
1153
1154         if ((substr_count($class->uri, '/') == 2) && (substr_count($class->cid, '/') == 2)) {
1155                 $class->uri .= ':' . $class->cid;
1156                 $class->cid = '';
1157         }
1158
1159         return $class;
1160 }
1161
1162 function bluesky_get_uri_parts(string $uri): ?stdClass
1163 {
1164         $class = bluesky_get_uri_class($uri);
1165         if (empty($class)) {
1166                 return null;
1167         }
1168
1169         $parts = explode('/', substr($class->uri, 5));
1170
1171         $class = new stdClass;
1172
1173         $class->repo       = $parts[0];
1174         $class->collection = $parts[1];
1175         $class->rkey       = $parts[2];
1176
1177         return $class;
1178 }
1179
1180 function bluesky_fetch_missing_post(string $uri, int $uid, int $causer): string
1181 {
1182         if (Post::exists(['uri' => $uri, 'uid' => [$uid, 0]])) {
1183                 Logger::debug('Post exists', ['uri' => $uri]);
1184                 return $uri;
1185         }
1186
1187         $reply = Post::selectFirst(['uri'], ['extid' => $uri, 'uid' => [$uid, 0]]);
1188         if (!empty($reply['uri'])) {
1189                 return $reply['uri'];
1190         }
1191
1192         Logger::debug('Fetch missing post', ['uri' => $uri]);
1193         $class = bluesky_get_uri_class($uri);
1194         $fetch_uri = $class->uri;
1195
1196         $data = bluesky_get($uid, '/xrpc/app.bsky.feed.getPosts?uris=' . urlencode($fetch_uri), HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
1197         if (empty($data)) {
1198                 return '';
1199         }
1200
1201         if ($causer != 0) {
1202                 $cdata = Contact::getPublicAndUserContactID($causer, $uid);
1203         }
1204
1205         foreach ($data->posts as $post) {
1206                 $uri = bluesky_get_uri($post);
1207                 $item = bluesky_get_header($post, $uri, $uid, $uid);
1208                 $item = bluesky_get_content($item, $post->record, $uid);
1209
1210                 $item['post-reason'] = Item::PR_FETCHED;
1211
1212                 if (!empty($cdata['public'])) {
1213                         $item['causer-id']   = $cdata['public'];
1214                 }
1215
1216                 if (!empty($post->embed)) {
1217                         $item = bluesky_add_media($post->embed, $item, $uid);
1218                 }
1219                 $id = Item::insert($item);
1220                 Logger::debug('Stored item', ['id' => $id, 'uri' => $uri]);
1221         }
1222
1223         return $uri;
1224 }
1225
1226 function bluesky_get_contact(stdClass $author, int $uid, int $fetch_uid): array
1227 {
1228         $condition = ['network' => Protocol::BLUESKY, 'uid' => 0, 'url' => $author->did];
1229         $contact = Contact::selectFirst(['id', 'updated'], $condition);
1230
1231         $update = empty($contact) || $contact['updated'] < DateTimeFormat::utc('now -24 hours');
1232
1233         $public_fields = $fields = bluesky_get_contact_fields($author, $fetch_uid, $update);
1234
1235         $public_fields['uid'] = 0;
1236         $public_fields['rel'] = Contact::NOTHING;
1237
1238         if (empty($contact)) {
1239                 $cid = Contact::insert($public_fields);
1240         } else {
1241                 $cid = $contact['id'];
1242                 Contact::update($public_fields, ['id' => $cid], true);
1243         }
1244
1245         if ($uid != 0) {
1246                 $condition = ['network' => Protocol::BLUESKY, 'uid' => $uid, 'url' => $author->did];
1247
1248                 $contact = Contact::selectFirst(['id', 'rel', 'uid'], $condition);
1249                 if (!isset($fields['rel']) && isset($contact['rel'])) {
1250                         $fields['rel'] = $contact['rel'];
1251                 } elseif (!isset($fields['rel'])) {
1252                         $fields['rel'] = Contact::NOTHING;
1253                 }
1254         }
1255
1256         if (($uid != 0) && ($fields['rel'] != Contact::NOTHING)) {
1257                 if (empty($contact)) {
1258                         $cid = Contact::insert($fields);
1259                 } else {
1260                         $cid = $contact['id'];
1261                         Contact::update($fields, ['id' => $cid], true);
1262                 }
1263                 Logger::debug('Get user contact', ['id' => $cid, 'uid' => $uid, 'update' => $update]);
1264         } else {
1265                 Logger::debug('Get public contact', ['id' => $cid, 'uid' => $uid, 'update' => $update]);
1266         }
1267         if (!empty($author->avatar)) {
1268                 Contact::updateAvatar($cid, $author->avatar);
1269         }
1270
1271         return Contact::getById($cid);
1272 }
1273
1274 function bluesky_get_contact_fields(stdClass $author, int $uid, bool $update): array
1275 {
1276         $fields = [
1277                 'uid'      => $uid,
1278                 'network'  => Protocol::BLUESKY,
1279                 'priority' => 1,
1280                 'writable' => true,
1281                 'blocked'  => false,
1282                 'readonly' => false,
1283                 'pending'  => false,
1284                 'baseurl'  => BLUESKY_HOST,
1285                 'url'      => $author->did,
1286                 'nurl'     => $author->did,
1287                 'alias'    => BLUESKY_HOST . '/profile/' . $author->handle,
1288                 'name'     => $author->displayName ?? $author->handle,
1289                 'nick'     => $author->handle,
1290                 'addr'     => $author->handle,
1291         ];
1292
1293         if (!$update) {
1294                 Logger::debug('Got contact fields', ['uid' => $uid, 'url' => $fields['url']]);
1295                 return $fields;
1296         }
1297
1298         $data = bluesky_get($uid, '/xrpc/app.bsky.actor.getProfile?actor=' . $author->did, HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
1299         if (empty($data)) {
1300                 Logger::debug('Error fetching contact fields', ['uid' => $uid, 'url' => $fields['url']]);
1301                 return $fields;
1302         }
1303
1304         $fields['updated'] = DateTimeFormat::utcNow(DateTimeFormat::MYSQL);
1305
1306         if (!empty($data->description)) {
1307                 $fields['about'] = HTML::toBBCode($data->description);
1308         }
1309
1310         if (!empty($data->banner)) {
1311                 $fields['header'] = $data->banner;
1312         }
1313
1314         if (!empty($data->viewer)) {
1315                 if (!empty($data->viewer->following) && !empty($data->viewer->followedBy)) {
1316                         $fields['rel'] = Contact::FRIEND;
1317                 } elseif (!empty($data->viewer->following) && empty($data->viewer->followedBy)) {
1318                         $fields['rel'] = Contact::SHARING;
1319                 } elseif (empty($data->viewer->following) && !empty($data->viewer->followedBy)) {
1320                         $fields['rel'] = Contact::FOLLOWER;
1321                 } else {
1322                         $fields['rel'] = Contact::NOTHING;
1323                 }
1324         }
1325
1326         Logger::debug('Got updated contact fields', ['uid' => $uid, 'url' => $fields['url']]);
1327         return $fields;
1328 }
1329
1330 function bluesky_get_feeds(int $uid): array
1331 {
1332         $type = '$type';
1333         $preferences = bluesky_get_preferences($uid);
1334         foreach ($preferences->preferences as $preference) {
1335                 if ($preference->$type == 'app.bsky.actor.defs#savedFeedsPref') {
1336                         return $preference->pinned ?? [];
1337                 }
1338         }
1339         return [];
1340 }
1341
1342 function bluesky_get_preferences(int $uid): stdClass
1343 {
1344         $cachekey = 'bluesky:preferences:' . $uid;
1345         $data = DI::cache()->get($cachekey);
1346         if (!is_null($data)) {
1347                 return $data;
1348         }
1349
1350         $data = bluesky_get($uid, '/xrpc/app.bsky.actor.getPreferences', HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
1351
1352         DI::cache()->set($cachekey, $data, Duration::HOUR);
1353         return $data;
1354 }
1355
1356 function bluesky_get_did(int $uid, string $handle): string
1357 {
1358         $data = bluesky_get($uid, '/xrpc/com.atproto.identity.resolveHandle?handle=' . $handle);
1359         if (empty($data)) {
1360                 return '';
1361         }
1362         Logger::debug('Got DID', ['return' => $data]);
1363         return $data->did;
1364 }
1365
1366 function bluesky_get_token(int $uid): string
1367 {
1368         $token   = DI::pConfig()->get($uid, 'bluesky', 'access_token');
1369         $created = DI::pConfig()->get($uid, 'bluesky', 'token_created');
1370         if (empty($token)) {
1371                 return '';
1372         }
1373
1374         if ($created + 300 < time()) {
1375                 return bluesky_refresh_token($uid);
1376         }
1377         return $token;
1378 }
1379
1380 function bluesky_refresh_token(int $uid): string
1381 {
1382         $token = DI::pConfig()->get($uid, 'bluesky', 'refresh_token');
1383
1384         $data = bluesky_post($uid, '/xrpc/com.atproto.server.refreshSession', '', ['Authorization' => ['Bearer ' . $token]]);
1385         if (empty($data)) {
1386                 return '';
1387         }
1388
1389         Logger::debug('Refreshed token', ['return' => $data]);
1390         DI::pConfig()->set($uid, 'bluesky', 'access_token', $data->accessJwt);
1391         DI::pConfig()->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
1392         DI::pConfig()->set($uid, 'bluesky', 'token_created', time());
1393         return $data->accessJwt;
1394 }
1395
1396 function bluesky_create_token(int $uid, string $password): string
1397 {
1398         $did = DI::pConfig()->get($uid, 'bluesky', 'did');
1399
1400         $data = bluesky_post($uid, '/xrpc/com.atproto.server.createSession', json_encode(['identifier' => $did, 'password' => $password]), ['Content-type' => 'application/json']);
1401         if (empty($data)) {
1402                 return '';
1403         }
1404
1405         Logger::debug('Created token', ['return' => $data]);
1406         DI::pConfig()->set($uid, 'bluesky', 'access_token', $data->accessJwt);
1407         DI::pConfig()->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
1408         DI::pConfig()->set($uid, 'bluesky', 'token_created', time());
1409         return $data->accessJwt;
1410 }
1411
1412 function bluesky_post(int $uid, string $url, string $params, array $headers): ?stdClass
1413 {
1414         try {
1415                 $curlResult = DI::httpClient()->post(DI::pConfig()->get($uid, 'bluesky', 'host') . $url, $params, $headers);
1416         } catch (\Exception $e) {
1417                 Logger::notice('Exception on post', ['exception' => $e]);
1418                 return null;
1419         }
1420
1421         if (!$curlResult->isSuccess()) {
1422                 Logger::notice('API Error', ['error' => json_decode($curlResult->getBody()) ?: $curlResult->getBody()]);
1423                 return null;
1424         }
1425
1426         return json_decode($curlResult->getBody());
1427 }
1428
1429 function bluesky_get(int $uid, string $url, string $accept_content = HttpClientAccept::DEFAULT, array $opts = []): ?stdClass
1430 {
1431         try {
1432                 $curlResult = DI::httpClient()->get(DI::pConfig()->get($uid, 'bluesky', 'host') . $url, $accept_content, $opts);
1433         } catch (\Exception $e) {
1434                 Logger::notice('Exception on get', ['exception' => $e]);
1435                 return null;
1436         }
1437
1438         if (!$curlResult->isSuccess()) {
1439                 Logger::notice('API Error', ['error' => json_decode($curlResult->getBody()) ?: $curlResult->getBody()]);
1440                 return null;
1441         }
1442
1443         return json_decode($curlResult->getBody());
1444 }