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