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friendica-addons/bluesky/bluesky.php

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<?php
/**
* Name: Bluesky Connector
* Description: Post to Bluesky, import timelines and feeds
* Version: 1.1
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*
* @todo
* Currently technical issues in the core:
* - Outgoing mentions
*
* At some point in time:
* - post videos
* - direct messages
* - Sending Quote shares https://atproto.com/lexicons/app-bsky-embed#appbskyembedrecord and https://atproto.com/lexicons/app-bsky-embed#appbskyembedrecordwithmedia
*
* Possibly not possible:
* - only fetch new posts
*
* Currently not possible, due to limitations in Friendica
* - mute contacts https://atproto.com/lexicons/app-bsky-graph#appbskygraphmuteactor
* - unmute contacts https://atproto.com/lexicons/app-bsky-graph#appbskygraphunmuteactor
*
* Possibly interesting:
* - https://atproto.com/lexicons/com-atproto-label#comatprotolabelsubscribelabels
*/
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\Plaintext;
use Friendica\Core\Cache\Enum\Duration;
use Friendica\Core\Config\Util\ConfigFileManager;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Conversation;
use Friendica\Model\Item;
use Friendica\Model\Photo;
use Friendica\Model\Post;
use Friendica\Model\User;
use Friendica\Object\Image;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ATProtocol;
use Friendica\Protocol\Relay;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
const BLUESKY_DEFAULT_POLL_INTERVAL = 10; // given in minutes
const BLUESKY_IMAGE_SIZE = [1000000, 500000, 100000, 50000];
function bluesky_install()
{
Hook::register('load_config', __FILE__, 'bluesky_load_config');
Hook::register('hook_fork', __FILE__, 'bluesky_hook_fork');
Hook::register('post_local', __FILE__, 'bluesky_post_local');
Hook::register('notifier_normal', __FILE__, 'bluesky_send');
Hook::register('jot_networks', __FILE__, 'bluesky_jot_nets');
Hook::register('connector_settings', __FILE__, 'bluesky_settings');
Hook::register('connector_settings_post', __FILE__, 'bluesky_settings_post');
Hook::register('cron', __FILE__, 'bluesky_cron');
Hook::register('support_follow', __FILE__, 'bluesky_support_follow');
Hook::register('follow', __FILE__, 'bluesky_follow');
Hook::register('unfollow', __FILE__, 'bluesky_unfollow');
Hook::register('block', __FILE__, 'bluesky_block');
Hook::register('unblock', __FILE__, 'bluesky_unblock');
Hook::register('check_item_notification', __FILE__, 'bluesky_check_item_notification');
Hook::register('item_by_link', __FILE__, 'bluesky_item_by_link');
}
function bluesky_load_config(ConfigFileManager $loader)
{
DI::appHelper()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
}
function bluesky_check_item_notification(array &$notification_data)
{
if (empty($notification_data['uid'])) {
return;
}
$did = DI::atProtocol()->getUserDid($notification_data['uid']);
if (empty($did)) {
return;
}
$notification_data['profiles'][] = $did;
}
function bluesky_item_by_link(array &$hookData)
{
// Don't overwrite an existing result
if (isset($hookData['item_id'])) {
return;
}
$token = DI::atProtocol()->getUserToken($hookData['uid']);
if (empty($token)) {
return;
}
// @todo also support the URI format (at://did/app.bsky.feed.post/cid)
if (!preg_match('#^' . ATProtocol::WEB . '/profile/(.+)/post/(.+)#', $hookData['uri'], $matches)) {
return;
}
$did = DI::atProtocol()->getDid($matches[1]);
if (empty($did)) {
return;
}
Logger::debug('Found bluesky post', ['url' => $hookData['uri'], 'did' => $did, 'cid' => $matches[2]]);
$uri = 'at://' . $did . '/app.bsky.feed.post/' . $matches[2];
$uri = DI::atpProcessor()->fetchMissingPost($uri, $hookData['uid'], Item::PR_FETCHED, 0, 0);
Logger::debug('Got post', ['did' => $did, 'cid' => $matches[2], 'result' => $uri]);
if (!empty($uri)) {
$item = Post::selectFirst(['id'], ['uri' => $uri, 'uid' => $hookData['uid']]);
if (!empty($item['id'])) {
$hookData['item_id'] = $item['id'];
}
}
}
function bluesky_support_follow(array &$data)
{
if ($data['protocol'] == Protocol::BLUESKY) {
$data['result'] = true;
}
}
function bluesky_follow(array &$hook_data)
{
$token = DI::atProtocol()->getUserToken($hook_data['uid']);
if (empty($token)) {
return;
}
Logger::debug('Check if contact is bluesky', ['data' => $hook_data]);
$contact = DBA::selectFirst('contact', [], ['network' => Protocol::BLUESKY, 'url' => $hook_data['url'], 'uid' => [0, $hook_data['uid']]]);
if (empty($contact)) {
return;
}
$record = [
'subject' => $contact['url'],
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.graph.follow'
];
$post = [
'collection' => 'app.bsky.graph.follow',
'repo' => DI::atProtocol()->getUserDid($hook_data['uid']),
'record' => $record
];
$activity = DI::atProtocol()->XRPCPost($hook_data['uid'], 'com.atproto.repo.createRecord', $post);
if (!empty($activity->uri)) {
$hook_data['contact'] = $contact;
Logger::debug('Successfully start following', ['url' => $contact['url'], 'uri' => $activity->uri]);
}
}
function bluesky_unfollow(array &$hook_data)
{
$token = DI::atProtocol()->getUserToken($hook_data['uid']);
if (empty($token)) {
return;
}
if ($hook_data['contact']['network'] != Protocol::BLUESKY) {
return;
}
$data = DI::atProtocol()->XRPCGet('app.bsky.actor.getProfile', ['actor' => $hook_data['contact']['url']], $hook_data['uid']);
if (empty($data->viewer) || empty($data->viewer->following)) {
return;
}
bluesky_delete_post($data->viewer->following, $hook_data['uid']);
$hook_data['result'] = true;
}
function bluesky_block(array &$hook_data)
{
$token = DI::atProtocol()->getUserToken($hook_data['uid']);
if (empty($token)) {
return;
}
if ($hook_data['contact']['network'] != Protocol::BLUESKY) {
return;
}
$record = [
'subject' => $hook_data['contact']['url'],
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.graph.block'
];
$post = [
'collection' => 'app.bsky.graph.block',
'repo' => DI::atProtocol()->getUserDid($hook_data['uid']),
'record' => $record
];
$activity = DI::atProtocol()->XRPCPost($hook_data['uid'], 'com.atproto.repo.createRecord', $post);
if (!empty($activity->uri)) {
$ucid = Contact::getUserContactId($hook_data['contact']['id'], $hook_data['uid']);
if ($ucid) {
Contact::remove($ucid);
}
Logger::debug('Successfully blocked contact', ['url' => $hook_data['contact']['url'], 'uri' => $activity->uri]);
}
}
function bluesky_unblock(array &$hook_data)
{
$token = DI::atProtocol()->getUserToken($hook_data['uid']);
if (empty($token)) {
return;
}
if ($hook_data['contact']['network'] != Protocol::BLUESKY) {
return;
}
$data = DI::atProtocol()->XRPCGet('app.bsky.actor.getProfile', ['actor' => $hook_data['contact']['url']], $hook_data['uid']);
if (empty($data->viewer) || empty($data->viewer->blocking)) {
return;
}
bluesky_delete_post($data->viewer->blocking, $hook_data['uid']);
$hook_data['result'] = true;
}
function bluesky_addon_admin(string &$o)
{
$t = Renderer::getMarkupTemplate('admin.tpl', 'addon/bluesky/');
$o = Renderer::replaceMacros($t, [
'$submit' => DI::l10n()->t('Save Settings'),
'$friendica_handles' => ['friendica_handles', DI::l10n()->t('Allow your users to use your hostname for their Bluesky handles'), DI::config()->get('bluesky', 'friendica_handles'), DI::l10n()->t('Before enabling this option, you have to setup a wildcard domain configuration and you have to enable wildcard requests in your webserver configuration. On Apache this is done by adding "ServerAlias *.%s" to your HTTP configuration. You don\'t need to change the HTTPS configuration.', DI::baseUrl()->getHost())],
]);
}
function bluesky_addon_admin_post()
{
DI::config()->set('bluesky', 'friendica_handles', (bool)$_POST['friendica_handles']);
}
function bluesky_settings(array &$data)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
$enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post') ?? false;
$def_enabled = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default') ?? false;
$pds = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'pds');
$handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
$did = DI::atProtocol()->getUserDid(DI::userSession()->getLocalUserId());
$token = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'access_token');
$import = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import') ?? false;
$import_feeds = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import_feeds') ?? false;
$complete_threads = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'complete_threads') ?? false;
$custom_handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'friendica_handle') ?? false;
if (DI::config()->get('bluesky', 'friendica_handles')) {
$self = User::getById(DI::userSession()->getLocalUserId(), ['nickname']);
$host_handle = $self['nickname'] . '.' . DI::baseUrl()->getHost();
$friendica_handle = ['bluesky_friendica_handle', DI::l10n()->t('Allow to use %s as your Bluesky handle.', $host_handle), $custom_handle, DI::l10n()->t('When enabled, you can use %s as your Bluesky handle. After you enabled this option, please go to https://bsky.app/settings and select to change your handle. Select that you have got your own domain. Then enter %s and select "No DNS Panel". Then select "Verify Text File".', $host_handle, $host_handle)];
if ($custom_handle) {
$handle = $host_handle;
}
} else {
$friendica_handle = [];
}
$t = Renderer::getMarkupTemplate('connector_settings.tpl', 'addon/bluesky/');
$html = Renderer::replaceMacros($t, [
'$enable' => ['bluesky', DI::l10n()->t('Enable Bluesky Post Addon'), $enabled],
'$bydefault' => ['bluesky_bydefault', DI::l10n()->t('Post to Bluesky by default'), $def_enabled],
'$import' => ['bluesky_import', DI::l10n()->t('Import the remote timeline'), $import],
'$import_feeds' => ['bluesky_import_feeds', DI::l10n()->t('Import the pinned feeds'), $import_feeds, DI::l10n()->t('When activated, Posts will be imported from all the feeds that you pinned in Bluesky.')],
'$complete_threads' => ['bluesky_complete_threads', DI::l10n()->t('Complete the threads'), $complete_threads, DI::l10n()->t('When activated, the system fetches additional replies for the posts in the timeline. This leads to more complete threads.')],
'$custom_handle' => $friendica_handle,
'$pds' => ['bluesky_pds', DI::l10n()->t('Personal Data Server'), $pds, DI::l10n()->t('The personal data server (PDS) is the system that hosts your profile.'), '', 'readonly'],
'$handle' => ['bluesky_handle', DI::l10n()->t('Bluesky handle'), $handle, '', '', $custom_handle ? 'readonly' : ''],
'$did' => ['bluesky_did', DI::l10n()->t('Bluesky DID'), $did, DI::l10n()->t('This is the unique identifier. It will be fetched automatically, when the handle is entered.'), '', 'readonly'],
'$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.")],
'$status' => bluesky_get_status($handle, $did, $pds, $token),
]);
$data = [
'connector' => 'bluesky',
'title' => DI::l10n()->t('Bluesky Import/Export'),
'image' => 'images/bluesky.jpg',
'enabled' => $enabled,
'html' => $html,
];
}
function bluesky_get_status(string $handle = null, string $did = null, string $pds = null, string $token = null): string
{
if (empty($handle)) {
return DI::l10n()->t('You are not authenticated. Please enter your handle and the app password.');
}
$status = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'status') ?? ATProtocol::STATUS_UNKNOWN;
$message = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'status-message') ?? '';
// Fallback mechanism for connection that had been established before the introduction of the status
if ($status == ATProtocol::STATUS_UNKNOWN) {
if (empty($did)) {
$status = ATProtocol::STATUS_DID_FAIL;
} elseif (empty($pds)) {
$status = ATProtocol::STATUS_PDS_FAIL;
} elseif (!empty($token)) {
$status = ATProtocol::STATUS_TOKEN_OK;
} else {
$status = ATProtocol::STATUS_TOKEN_FAIL;
}
}
switch ($status) {
case ATProtocol::STATUS_TOKEN_OK:
return DI::l10n()->t("You are authenticated to Bluesky. For security reasons the password isn't stored.");
case ATProtocol::STATUS_SUCCESS:
return DI::l10n()->t('The communication with the personal data server service (PDS) is established.');
case ATProtocol::STATUS_API_FAIL;
return DI::l10n()->t('Communication issues with the personal data server service (PDS): %s', $message);
case ATProtocol::STATUS_DID_FAIL:
return DI::l10n()->t('The DID for the provided handle could not be detected. Please check if you entered the correct handle.');
case ATProtocol::STATUS_PDS_FAIL:
return DI::l10n()->t('The personal data server service (PDS) could not be detected.');
case ATProtocol::STATUS_TOKEN_FAIL:
return DI::l10n()->t('The authentication with the provided handle and password failed. Please check if you entered the correct password.');
default:
return '';
}
}
function bluesky_settings_post(array &$b)
{
if (empty($_POST['bluesky-submit'])) {
return;
}
$old_pds = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'pds');
$old_handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
$old_did = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
$handle = trim($_POST['bluesky_handle'], ' @');
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post', intval($_POST['bluesky']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default', intval($_POST['bluesky_bydefault']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'handle', $handle);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import', intval($_POST['bluesky_import']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import_feeds', intval($_POST['bluesky_import_feeds']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'complete_threads', intval($_POST['bluesky_complete_threads']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'friendica_handle', intval($_POST['bluesky_friendica_handle'] ?? false));
if (!empty($handle)) {
$did = DI::atProtocol()->getUserDid(DI::userSession()->getLocalUserId(), empty($old_did) || $old_handle != $handle);
if (!empty($did) && (empty($old_pds) || $old_handle != $handle)) {
$pds = DI::atProtocol()->getPdsOfDid($did);
if (empty($pds)) {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'status', ATProtocol::STATUS_PDS_FAIL);
}
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'pds', $pds);
} else {
$pds = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'pds');
}
} else {
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'pds');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'password');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'access_token');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'refresh_token');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'token_created');
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'status');
}
if (!empty($did) && !empty($pds) && !empty($_POST['bluesky_password'])) {
DI::atProtocol()->createUserToken(DI::userSession()->getLocalUserId(), $_POST['bluesky_password']);
}
}
function bluesky_jot_nets(array &$jotnets_fields)
{
if (!DI::userSession()->getLocalUserId()) {
return;
}
if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post')) {
$jotnets_fields[] = [
'type' => 'checkbox',
'field' => [
'bluesky_enable',
DI::l10n()->t('Post to Bluesky'),
DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default')
]
];
}
}
function bluesky_cron()
{
$last = (int)DI::keyValue()->get('bluesky_last_poll');
$poll_interval = intval(DI::config()->get('bluesky', 'poll_interval'));
if (!$poll_interval) {
$poll_interval = BLUESKY_DEFAULT_POLL_INTERVAL;
}
if ($last) {
$next = $last + ($poll_interval * 60);
if ($next > time()) {
Logger::notice('poll interval not reached');
return;
}
}
Logger::notice('cron_start');
$abandon_days = intval(DI::config()->get('system', 'account_abandon_days'));
if ($abandon_days < 1) {
$abandon_days = 0;
}
$abandon_limit = date(DateTimeFormat::MYSQL, time() - $abandon_days * 86400);
$pconfigs = DBA::selectToArray('pconfig', [], ["`cat` = ? AND `k` IN (?, ?) AND `v`", 'bluesky', 'import', 'import_feeds']);
foreach ($pconfigs as $pconfig) {
if (empty(DI::atProtocol()->getUserDid($pconfig['uid']))) {
Logger::debug('User has got no valid DID', ['uid' => $pconfig['uid']]);
continue;
}
if ($abandon_days != 0) {
if (!DBA::exists('user', ["`uid` = ? AND `login_date` >= ?", $pconfig['uid'], $abandon_limit])) {
Logger::notice('abandoned account: timeline from user will not be imported', ['user' => $pconfig['uid']]);
continue;
}
}
// Refresh the token now, so that it doesn't need to be refreshed in parallel by the following workers
Logger::debug('Refresh the token', ['uid' => $pconfig['uid']]);
DI::atProtocol()->getUserToken($pconfig['uid']);
$last_sync = DI::pConfig()->get($pconfig['uid'], 'bluesky', 'last_contact_sync');
if ($last_sync < (time() - 86400)) {
DI::atpActor()->syncContacts($pconfig['uid']);
DI::pConfig()->set($pconfig['uid'], 'bluesky', 'last_contact_sync', time());
}
Worker::add(['priority' => Worker::PRIORITY_MEDIUM, 'force_priority' => true], 'addon/bluesky/bluesky_notifications.php', $pconfig['uid']);
if (DI::pConfig()->get($pconfig['uid'], 'bluesky', 'import')) {
Worker::add(['priority' => Worker::PRIORITY_MEDIUM, 'force_priority' => true], 'addon/bluesky/bluesky_timeline.php', $pconfig['uid']);
}
if (DI::pConfig()->get($pconfig['uid'], 'bluesky', 'import_feeds')) {
Logger::debug('Fetch feeds for user', ['uid' => $pconfig['uid']]);
$feeds = bluesky_get_feeds($pconfig['uid']);
foreach ($feeds as $feed) {
Worker::add(['priority' => Worker::PRIORITY_MEDIUM, 'force_priority' => true], 'addon/bluesky/bluesky_feed.php', $pconfig['uid'], $feed);
}
}
Logger::debug('Polling done for user', ['uid' => $pconfig['uid']]);
}
Logger::notice('Polling done for all users');
DI::keyValue()->set('bluesky_last_poll', time());
$last_clean = DI::keyValue()->get('bluesky_last_clean');
if (empty($last_clean) || ($last_clean + 86400 < time())) {
Logger::notice('Start contact cleanup');
$contacts = DBA::select('account-user-view', ['id', 'pid'], ["`network` = ? AND `uid` != ? AND `rel` = ?", Protocol::BLUESKY, 0, Contact::NOTHING]);
while ($contact = DBA::fetch($contacts)) {
Worker::add(Worker::PRIORITY_LOW, 'MergeContact', $contact['pid'], $contact['id'], 0);
}
DBA::close($contacts);
DI::keyValue()->set('bluesky_last_clean', time());
Logger::notice('Contact cleanup done');
}
Logger::notice('cron_end');
}
function bluesky_hook_fork(array &$b)
{
if ($b['name'] != 'notifier_normal') {
return;
}
$post = $b['data'];
if (($post['created'] !== $post['edited']) && !$post['deleted']) {
DI::logger()->info('Editing is not supported by the addon');
$b['execute'] = false;
return;
}
if (DI::pConfig()->get($post['uid'], 'bluesky', 'import')) {
// Don't post if it isn't a reply to a bluesky post
if (($post['gravity'] != Item::GRAVITY_PARENT) && !Post::exists(['id' => $post['parent'], 'network' => Protocol::BLUESKY])) {
Logger::notice('No bluesky parent found', ['item' => $post['id']]);
$b['execute'] = false;
return;
}
} elseif (!strstr($post['postopts'] ?? '', 'bluesky') || ($post['gravity'] != Item::GRAVITY_PARENT) || ($post['private'] == Item::PRIVATE)) {
DI::logger()->info('Post will not be exported', ['uid' => $post['uid'], 'postopts' => $post['postopts'], 'gravity' => $post['gravity'], 'private' => $post['private']]);
$b['execute'] = false;
return;
}
}
function bluesky_post_local(array &$b)
{
if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['edit'] || ($b['private'] == Item::PRIVATE) || ($b['gravity'] != Item::GRAVITY_PARENT)) {
return;
}
$bluesky_post = intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post'));
$bluesky_enable = (($bluesky_post && !empty($_REQUEST['bluesky_enable'])) ? intval($_REQUEST['bluesky_enable']) : 0);
// if API is used, default to the chosen settings
if ($b['api_source'] && intval(DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default'))) {
$bluesky_enable = 1;
}
if (!$bluesky_enable) {
return;
}
if (strlen($b['postopts'])) {
$b['postopts'] .= ',';
}
$b['postopts'] .= 'bluesky';
}
function bluesky_send(array &$b)
{
if (($b['created'] !== $b['edited']) && !$b['deleted']) {
return;
}
if ($b['gravity'] != Item::GRAVITY_PARENT) {
Logger::debug('Got comment', ['item' => $b]);
if ($b['deleted']) {
$uri = DI::atpProcessor()->getUriClass($b['uri']);
if (empty($uri)) {
Logger::debug('Not a bluesky post', ['uri' => $b['uri']]);
return;
}
bluesky_delete_post($b['uri'], $b['uid']);
return;
}
$root = DI::atpProcessor()->getUriClass($b['parent-uri']);
$parent = DI::atpProcessor()->getUriClass($b['thr-parent']);
if (empty($root) || empty($parent)) {
Logger::debug('No bluesky post', ['parent' => $b['parent'], 'thr-parent' => $b['thr-parent']]);
return;
}
if ($b['gravity'] == Item::GRAVITY_COMMENT) {
Logger::debug('Posting comment', ['root' => $root, 'parent' => $parent]);
bluesky_create_post($b, $root, $parent);
return;
} elseif (in_array($b['verb'], [Activity::LIKE, Activity::ANNOUNCE])) {
bluesky_create_activity($b, $parent);
}
return;
} elseif (($b['private'] == Item::PRIVATE) || !strstr($b['postopts'], 'bluesky')) {
return;
}
bluesky_create_post($b);
}
function bluesky_create_activity(array $item, stdClass $parent = null)
{
$uid = $item['uid'];
$token = DI::atProtocol()->getUserToken($uid);
if (empty($token)) {
return;
}
$did = DI::atProtocol()->getUserDid($uid);
if (empty($did)) {
return;
}
$post = [];
if ($item['verb'] == Activity::LIKE) {
$record = [
'subject' => $parent,
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.feed.like'
];
$post = [
'collection' => 'app.bsky.feed.like',
'repo' => $did,
'record' => $record
];
} elseif ($item['verb'] == Activity::ANNOUNCE) {
$record = [
'subject' => $parent,
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.feed.repost'
];
$post = [
'collection' => 'app.bsky.feed.repost',
'repo' => $did,
'record' => $record
];
}
$activity = DI::atProtocol()->XRPCPost($uid, 'com.atproto.repo.createRecord', $post);
if (empty($activity->uri)) {
return;
}
Logger::debug('Activity done', ['return' => $activity]);
$uri = DI::atpProcessor()->getUri($activity);
Item::update(['extid' => $uri], ['guid' => $item['guid']]);
Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $activity]);
}
function bluesky_create_post(array $item, stdClass $root = null, stdClass $parent = null)
{
$uid = $item['uid'];
$token = DI::atProtocol()->getUserToken($uid);
if (empty($token)) {
return;
}
// Try to fetch the language from the post itself
if (!empty($item['language'])) {
$language = array_key_first(json_decode($item['language'], true));
} else {
$language = '';
}
$item['body'] = Post\Media::removeFromBody($item['body']);
foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::ACTIVITY]) as $media) {
if (strpos($item['body'], $media['url']) === false) {
$item['body'] .= "\n[url]" . $media['url'] . "[/url]\n";
}
}
if (!empty($item['quote-uri-id'])) {
$quote = Post::selectFirstPost(['uri', 'plink'], ['uri-id' => $item['quote-uri-id']]);
if (!empty($quote)) {
if ((strpos($item['body'], $quote['plink'] ?: $quote['uri']) === false) && (strpos($item['body'], $quote['uri']) === false)) {
$item['body'] .= "\n[url]" . ($quote['plink'] ?: $quote['uri']) . "[/url]\n";
}
}
}
$urls = bluesky_get_urls($item['body']);
$item['body'] = $urls['body'];
$msg = Plaintext::getPost($item, 300, false, BBCode::BLUESKY);
foreach ($msg['parts'] as $key => $part) {
$facets = bluesky_get_facets($part, $urls['urls']);
$record = [
'text' => $facets['body'],
'$type' => 'app.bsky.feed.post',
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
];
if (!empty($language)) {
$record['langs'] = [$language];
}
if (!empty($facets['facets'])) {
$record['facets'] = $facets['facets'];
}
if (!empty($root)) {
$record['reply'] = ['root' => $root, 'parent' => $parent];
}
if ($key == count($msg['parts']) - 1) {
$record = bluesky_add_embed($uid, $msg, $record);
if (empty($record)) {
if (Worker::getRetrial() < 3) {
Worker::defer();
}
return;
}
}
$post = [
'collection' => 'app.bsky.feed.post',
'repo' => DI::atProtocol()->getUserDid($uid),
'record' => $record
];
$parent = DI::atProtocol()->XRPCPost($uid, 'com.atproto.repo.createRecord', $post);
if (empty($parent->uri)) {
if ($part == 0) {
Worker::defer();
}
return;
}
Logger::debug('Posting done', ['return' => $parent]);
if (empty($root)) {
$root = $parent;
}
if (($key == 0) && ($item['gravity'] != Item::GRAVITY_PARENT)) {
$uri = DI::atpProcessor()->getUri($parent);
Item::update(['extid' => $uri], ['guid' => $item['guid']]);
Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $uri]);
}
}
}
function bluesky_get_urls(string $body): array
{
// Remove all hashtag and mention links
$body = preg_replace("/([@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '$1$3', $body);
$body = BBCode::expandVideoLinks($body);
$urls = [];
// Search for hash tags
if (preg_match_all("/#\[url\=(https?:.*?)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$text = '#' . $match[2];
$urls[strpos($body, $match[0])] = ['tag' => $match[2], 'text' => $text, 'hash' => $text];
$body = str_replace($match[0], $text, $body);
}
}
// Search for pure links
if (preg_match_all("/\[url\](https?:.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$text = Strings::getStyledURL($match[1]);
$hash = bluesky_get_hash_for_url($match[0], mb_strlen($text));
$urls[strpos($body, $match[0])] = ['url' => $match[1], 'text' => $text, 'hash' => $hash];
$body = str_replace($match[0], $hash, $body);
}
}
// Search for links with descriptions
if (preg_match_all("/\[url\=(https?:.*?)\](.*?)\[\/url\]/ism", $body, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
if ($match[1] == $match[2]) {
$text = Strings::getStyledURL($match[1]);
} else {
$text = $match[2];
}
if (mb_strlen($text) < 100) {
$hash = bluesky_get_hash_for_url($match[0], mb_strlen($text));
$urls[strpos($body, $match[0])] = ['url' => $match[1], 'text' => $text, 'hash' => $hash];
$body = str_replace($match[0], $hash, $body);
} else {
$text = Strings::getStyledURL($match[1]);
$hash = bluesky_get_hash_for_url($match[0], mb_strlen($text));
$urls[strpos($body, $match[0])] = ['url' => $match[1], 'text' => $text, 'hash' => $hash];
$body = str_replace($match[0], $text . ' ' . $hash, $body);
}
}
}
asort($urls);
return ['body' => $body, 'urls' => $urls];
}
function bluesky_get_hash_for_url(string $text, int $linklength): string
{
if ($linklength <= 10) {
return '|' . hash('crc32', $text) . '|';
}
return substr('|' . hash('crc32', $text) . base64_encode($text), 0, $linklength - 2) . '|';
}
function bluesky_get_facets(string $body, array $urls): array
{
$facets = [];
foreach ($urls as $url) {
$pos = strpos($body, $url['hash']);
if ($pos === false) {
continue;
}
if ($pos > 0) {
$prefix = substr($body, 0, $pos);
} else {
$prefix = '';
}
$body = $prefix . $url['text'] . substr($body, $pos + strlen($url['hash']));
$facet = new stdClass;
$facet->index = new stdClass;
$facet->index->byteEnd = $pos + strlen($url['text']);
$facet->index->byteStart = $pos;
$feature = new stdClass;
$type = '$type';
if (!empty($url['tag'])) {
$feature->tag = $url['tag'];
$feature->$type = 'app.bsky.richtext.facet#tag';
} elseif (!empty($url['url'])) {
$feature->uri = $url['url'];
$feature->$type = 'app.bsky.richtext.facet#link';
} else {
continue;
}
$facet->features = [$feature];
$facets[] = $facet;
}
return ['facets' => $facets, 'body' => $body];
}
function bluesky_add_embed(int $uid, array $msg, array $record): array
{
if (($msg['type'] != 'link') && !empty($msg['images'])) {
$images = [];
foreach ($msg['images'] as $image) {
if (count($images) == 4) {
continue;
}
$photo = Photo::selectFirst([], ['id' => $image['id']]);
$blob = bluesky_upload_blob($uid, $photo);
if (empty($blob)) {
return [];
}
$images[] = [
'alt' => $image['description'] ?? '',
'image' => $blob,
'aspectRatio' => [
'width' => $photo['width'],
'height' => $photo['height'],
]
];
}
if (!empty($images)) {
$record['embed'] = ['$type' => 'app.bsky.embed.images', 'images' => $images];
}
} elseif ($msg['type'] == 'link') {
$record['embed'] = [
'$type' => 'app.bsky.embed.external',
'external' => [
'uri' => $msg['url'],
'title' => $msg['title'] ?? '',
'description' => $msg['description'] ?? '',
]
];
if (!empty($msg['image'])) {
$photo = Photo::createPhotoForExternalResource($msg['image']);
$blob = bluesky_upload_blob($uid, $photo);
if (!empty($blob)) {
$record['embed']['external']['thumb'] = $blob;
}
}
}
return $record;
}
function bluesky_upload_blob(int $uid, array $photo): ?stdClass
{
$retrial = Worker::getRetrial();
$content = Photo::getImageForPhoto($photo);
$picture = new Image($content, $photo['type'], $photo['filename']);
$height = $picture->getHeight();
$width = $picture->getWidth();
$size = strlen($content);
$picture = Photo::resizeToFileSize($picture, BLUESKY_IMAGE_SIZE[$retrial]);
$new_height = $picture->getHeight();
$new_width = $picture->getWidth();
$content = (string)$picture->asString();
$new_size = strlen($content);
if (($size != 0) && ($new_size == 0) && ($retrial == 0)) {
Logger::warning('Size is empty after resize, uploading original file', ['uid' => $uid, 'retrial' => $retrial, 'height' => $new_height, 'width' => $new_width, 'size' => $new_size, 'orig-height' => $height, 'orig-width' => $width, 'orig-size' => $size]);
$content = Photo::getImageForPhoto($photo);
} else {
Logger::info('Uploading', ['uid' => $uid, 'retrial' => $retrial, 'height' => $new_height, 'width' => $new_width, 'size' => $new_size, 'orig-height' => $height, 'orig-width' => $width, 'orig-size' => $size]);
}
$data = DI::atProtocol()->post($uid, '/xrpc/com.atproto.repo.uploadBlob', $content, ['Content-type' => $photo['type'], 'Authorization' => ['Bearer ' . DI::atProtocol()->getUserToken($uid)]]);
if (empty($data) || empty($data->blob)) {
Logger::info('Uploading failed', ['uid' => $uid, 'retrial' => $retrial, 'height' => $new_height, 'width' => $new_width, 'size' => $new_size, 'orig-height' => $height, 'orig-width' => $width, 'orig-size' => $size]);
return null;
}
Item::incrementOutbound(Protocol::BLUESKY);
Logger::debug('Uploaded blob', ['return' => $data, 'uid' => $uid, 'retrial' => $retrial, 'height' => $new_height, 'width' => $new_width, 'size' => $new_size, 'orig-height' => $height, 'orig-width' => $width, 'orig-size' => $size]);
return $data->blob;
}
function bluesky_delete_post(string $uri, int $uid)
{
$parts = DI::atpProcessor()->getUriParts($uri);
if (empty($parts)) {
Logger::debug('No uri delected', ['uri' => $uri]);
return;
}
DI::atProtocol()->XRPCPost($uid, 'com.atproto.repo.deleteRecord', $parts);
Logger::debug('Deleted', ['parts' => $parts]);
}
function bluesky_fetch_timeline(int $uid)
{
$data = DI::atProtocol()->XRPCGet('app.bsky.feed.getTimeline', [], $uid);
if (empty($data)) {
return;
}
if (empty($data->feed)) {
return;
}
foreach (array_reverse($data->feed) as $entry) {
$causer = DI::atpActor()->getContactByDID($entry->post->author->did, $uid, 0, true);
if (!empty($entry->reply)) {
if (!empty($entry->reply->root)) {
bluesky_complete_post($entry->reply->root, $uid, Item::PR_COMMENT, $causer['id'], Conversation::PARCEL_CONNECTOR);
}
if (!empty($entry->reply->parent)) {
bluesky_complete_post($entry->reply->parent, $uid, Item::PR_COMMENT, $causer['id'], Conversation::PARCEL_CONNECTOR);
}
}
DI::atpProcessor()->processPost($entry->post, $uid, Item::PR_NONE, 0, 0, Conversation::PARCEL_CONNECTOR);
if (!empty($entry->reason)) {
bluesky_process_reason($entry->reason, DI::atpProcessor()->getUri($entry->post), $uid);
}
}
}
function bluesky_complete_post(stdClass $post, int $uid, int $post_reason, int $causer, int $protocol): int
{
$complete = DI::pConfig()->get($uid, 'bluesky', 'complete_threads');
$existing_uri = DI::atpProcessor()->getPostUri(DI::atpProcessor()->getUri($post), $uid);
if (!empty($existing_uri)) {
$comments = Post::countPosts(['thr-parent' => $existing_uri, 'gravity' => Item::GRAVITY_COMMENT]);
if (($post->replyCount <= $comments) || !$complete) {
return DI::atpProcessor()->fetchUriId($existing_uri, $uid);
}
}
if ($complete) {
$uri = DI::atpProcessor()->fetchMissingPost(DI::atpProcessor()->getUri($post), $uid, $post_reason, $causer, 0, '', true, $protocol);
$uri_id = DI::atpProcessor()->fetchUriId($uri, $uid);
} else {
$uri_id = DI::atpProcessor()->processPost($post, $uid, $post_reason, $causer, 0, $protocol);
}
return $uri_id;
}
function bluesky_process_reason(stdClass $reason, string $uri, int $uid)
{
$type = '$type';
if ($reason->$type != 'app.bsky.feed.defs#reasonRepost') {
return;
}
$contact = DI::atpActor()->getContactByDID($reason->by->did, $uid, 0);
$item = [
'network' => Protocol::BLUESKY,
'protocol' => Conversation::PARCEL_CONNECTOR,
'uid' => $uid,
'wall' => false,
'uri' => $reason->by->did . '/app.bsky.feed.repost/' . $reason->indexedAt,
'private' => Item::UNLISTED,
'contact-id' => $contact['id'],
'author-name' => $contact['name'],
'author-link' => $contact['url'],
'author-avatar' => $contact['avatar'],
'verb' => Activity::ANNOUNCE,
'body' => Activity::ANNOUNCE,
'gravity' => Item::GRAVITY_ACTIVITY,
'object-type' => Activity\ObjectType::NOTE,
'thr-parent' => $uri,
];
if (Post::exists(['uri' => $item['uri'], 'uid' => $uid])) {
return;
}
$item['guid'] = Item::guidFromUri($item['uri'], $contact['alias']);
$item['owner-name'] = $item['author-name'];
$item['owner-link'] = $item['author-link'];
$item['owner-avatar'] = $item['author-avatar'];
if (Item::insert($item)) {
$pcid = Contact::getPublicContactId($contact['id'], $uid);
Item::update(['post-reason' => Item::PR_ANNOUNCEMENT, 'causer-id' => $pcid], ['uri' => $uri, 'uid' => $uid]);
}
}
function bluesky_fetch_notifications(int $uid)
{
$data = DI::atProtocol()->XRPCGet('app.bsky.notification.listNotifications', [], $uid);
if (empty($data->notifications)) {
return;
}
foreach ($data->notifications as $notification) {
$uri = DI::atpProcessor()->getUri($notification);
if (Post::exists(['uri' => $uri, 'uid' => $uid]) || Post::exists(['extid' => $uri, 'uid' => $uid])) {
Logger::debug('Notification already processed', ['uid' => $uid, 'reason' => $notification->reason, 'uri' => $uri, 'indexedAt' => $notification->indexedAt]);
continue;
}
Logger::debug('Process notification', ['uid' => $uid, 'reason' => $notification->reason, 'uri' => $uri, 'indexedAt' => $notification->indexedAt]);
switch ($notification->reason) {
case 'like':
$item = DI::atpProcessor()->getHeaderFromPost($notification, $uri, $uid, Conversation::PARCEL_CONNECTOR);
$item['gravity'] = Item::GRAVITY_ACTIVITY;
$item['body'] = $item['verb'] = Activity::LIKE;
$item['thr-parent'] = DI::atpProcessor()->getUri($notification->record->subject);
$item['thr-parent'] = DI::atpProcessor()->fetchMissingPost($item['thr-parent'], $uid, Item::PR_FETCHED, $item['contact-id'], 0);
if (!empty($item['thr-parent'])) {
$data = Item::insert($item);
Logger::debug('Got like', ['uid' => $uid, 'result' => $data, 'uri' => $uri]);
} else {
Logger::info('Thread parent not found', ['uid' => $uid, 'parent' => $item['thr-parent'], 'uri' => $uri]);
}
break;
case 'repost':
$item = DI::atpProcessor()->getHeaderFromPost($notification, $uri, $uid, Conversation::PARCEL_CONNECTOR);
$item['gravity'] = Item::GRAVITY_ACTIVITY;
$item['body'] = $item['verb'] = Activity::ANNOUNCE;
$item['thr-parent'] = DI::atpProcessor()->getUri($notification->record->subject);
$item['thr-parent'] = DI::atpProcessor()->fetchMissingPost($item['thr-parent'], $uid, Item::PR_FETCHED, $item['contact-id'], 0);
if (!empty($item['thr-parent'])) {
$data = Item::insert($item);
Logger::debug('Got repost', ['uid' => $uid, 'result' => $data, 'uri' => $uri]);
} else {
Logger::info('Thread parent not found', ['uid' => $uid, 'parent' => $item['thr-parent'], 'uri' => $uri]);
}
break;
case 'follow':
$contact = DI::atpActor()->getContactByDID($notification->author->did, $uid, $uid);
Logger::debug('New follower', ['uid' => $uid, 'nick' => $contact['nick'], 'uri' => $uri]);
break;
case 'mention':
$contact = DI::atpActor()->getContactByDID($notification->author->did, $uid, 0);
$result = DI::atpProcessor()->fetchMissingPost($uri, $uid, Item::PR_TO, $contact['id'], 0);
Logger::debug('Got mention', ['uid' => $uid, 'nick' => $contact['nick'], 'result' => $result, 'uri' => $uri]);
break;
case 'reply':
$contact = DI::atpActor()->getContactByDID($notification->author->did, $uid, 0);
$result = DI::atpProcessor()->fetchMissingPost($uri, $uid, Item::PR_COMMENT, $contact['id'], 0);
Logger::debug('Got reply', ['uid' => $uid, 'nick' => $contact['nick'], 'result' => $result, 'uri' => $uri]);
break;
case 'quote':
$contact = DI::atpActor()->getContactByDID($notification->author->did, $uid, 0);
$result = DI::atpProcessor()->fetchMissingPost($uri, $uid, Item::PR_PUSHED, $contact['id'], 0);
Logger::debug('Got quote', ['uid' => $uid, 'nick' => $contact['nick'], 'result' => $result, 'uri' => $uri]);
break;
default:
Logger::notice('Unhandled reason', ['reason' => $notification->reason, 'uri' => $uri]);
break;
}
}
}
function bluesky_fetch_feed(int $uid, string $feed)
{
$data = DI::atProtocol()->XRPCGet('app.bsky.feed.getFeed', ['feed' => $feed], $uid);
if (empty($data)) {
return;
}
if (empty($data->feed)) {
return;
}
$feeddata = DI::atProtocol()->XRPCGet('app.bsky.feed.getFeedGenerator', ['feed' => $feed], $uid);
if (!empty($feeddata) && !empty($feeddata->view)) {
$feedurl = $feeddata->view->uri;
$feedname = $feeddata->view->displayName;
} else {
$feedurl = $feed;
$feedname = $feed;
}
foreach (array_reverse($data->feed) as $entry) {
$contact = DI::atpActor()->getContactByDID($entry->post->author->did, $uid, 0);
$languages = $entry->post->record->langs ?? [];
if (!Relay::isWantedLanguage($entry->post->record->text, 0, $contact['id'] ?? 0, $languages)) {
Logger::debug('Unwanted language detected', ['languages' => $languages, 'text' => $entry->post->record->text]);
continue;
}
$causer = DI::atpActor()->getContactByDID($entry->post->author->did, $uid, 0);
$uri_id = bluesky_complete_post($entry->post, $uid, Item::PR_TAG, $causer['id'], Conversation::PARCEL_CONNECTOR);
if (!empty($uri_id)) {
$stored = Post\Category::storeFileByURIId($uri_id, $uid, Post\Category::SUBCRIPTION, $feedname, $feedurl);
Logger::debug('Stored tag subscription for user', ['uri-id' => $uri_id, 'uid' => $uid, 'name' => $feedname, 'url' => $feedurl, 'stored' => $stored]);
} else {
Logger::notice('Post not found', ['entry' => $entry]);
}
if (!empty($entry->reason)) {
bluesky_process_reason($entry->reason, DI::atpProcessor()->getUri($entry->post), $uid);
}
}
}
function bluesky_get_feeds(int $uid): array
{
$type = '$type';
$preferences = bluesky_get_preferences($uid);
if (empty($preferences) || empty($preferences->preferences)) {
return [];
}
foreach ($preferences->preferences as $preference) {
if ($preference->$type == 'app.bsky.actor.defs#savedFeedsPref') {
return $preference->pinned ?? [];
}
}
return [];
}
function bluesky_get_preferences(int $uid): ?stdClass
{
$cachekey = 'bluesky:preferences:' . $uid;
$data = DI::cache()->get($cachekey);
if (!is_null($data)) {
return $data;
}
$data = DI::atProtocol()->XRPCGet('app.bsky.actor.getPreferences', [], $uid);
if (empty($data)) {
return null;
}
DI::cache()->set($cachekey, $data, Duration::HOUR);
return $data;
}
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