friendica-addons/bluesky/bluesky.php

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<?php
/**
* Name: Bluesky Connector
* Description: Post to Bluesky
* Version: 1.1
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*
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* @todo
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* Nice to have:
* - Probing for contacts
*
* Need more information:
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* - only fetch new posts
* - detect contact relations
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* - receive likes
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* - follow contacts
* - unfollow contacts
*
* Possible but less important:
* - Block contacts
* - unblock contacts
* - mute contacts
* - unmute contacts
*/
use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\HTML;
use Friendica\Content\Text\Plaintext;
use Friendica\Core\Config\Util\ConfigFileManager;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
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use Friendica\Database\DBA;
use Friendica\DI;
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use Friendica\Model\Contact;
use Friendica\Model\Item;
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use Friendica\Model\ItemURI;
use Friendica\Model\Photo;
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use Friendica\Model\Post;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
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use Friendica\Protocol\Activity;
use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Strings;
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const BLUESKY_DEFAULT_POLL_INTERVAL = 10; // given in minutes
const BLUESKY_HOST = 'https://bsky.app'; // Hard wired until Bluesky will run on multiple systems
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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');
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Hook::register('cron', __FILE__, 'bluesky_cron');
// Hook::register('support_follow', __FILE__, 'bluesky_support_follow');
// Hook::register('support_probe', __FILE__, 'bluesky_support_probe');
// 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('probe_detect', __FILE__, 'bluesky_probe_detect');
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Hook::register('item_by_link', __FILE__, 'bluesky_item_by_link');
}
function bluesky_load_config(ConfigFileManager $loader)
{
DI::app()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
}
function bluesky_check_item_notification(array &$notification_data)
{
$handle = DI::pConfig()->get($notification_data['uid'], 'bluesky', 'handle');
$did = DI::pConfig()->get($notification_data['uid'], 'bluesky', 'did');
if (!empty($handle) && !empty($did)) {
$notification_data['profiles'][] = $handle;
$notification_data['profiles'][] = $did;
}
}
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function bluesky_item_by_link(array &$hookData)
{
// Don't overwrite an existing result
if (isset($hookData['item_id'])) {
return;
}
$token = bluesky_get_token($hookData['uid']);
if (empty($token)) {
return;
}
if (!preg_match('#^' . BLUESKY_HOST . '/profile/(.+)/post/(.+)#', $hookData['uri'], $matches)) {
return;
}
$did = bluesky_get_did($hookData['uid'], $matches[1]);
if (empty($did)) {
return;
}
Logger::debug('Found bluesky post', ['url' => $hookData['uri'], 'handle' => $matches[1], 'did' => $did, 'cid' => $matches[2]]);
$uri = 'at://' . $did . '/app.bsky.feed.post/' . $matches[2];
$uri = bluesky_fetch_missing_post($uri, $hookData['uid'], 0, true);
Logger::debug('Got post', ['profile' => $matches[1], 'cid' => $matches[2], 'result' => $uri]);
if (!empty($uri)) {
$item = Post::selectFirst(['id'], ['uri' => $uri, 'uid' => $hookData['uid']]);
if (!empty($item['id'])) {
$hookData['item_id'] = $item['id'];
}
}
}
function bluesky_settings(array &$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;
$host = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'host') ?: 'https://bsky.social';
$handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
$did = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
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$token = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'access_token');
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$import = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import') ?? false;
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$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.');
$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'), $def_enabled],
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'$import' => ['bluesky_import', DI::l10n()->t('Import the remote timeline'), $import],
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'$host' => ['bluesky_host', DI::l10n()->t('Bluesky host'), $host, '', '', 'readonly'],
'$handle' => ['bluesky_handle', DI::l10n()->t('Bluesky handle'), $handle],
'$did' => ['bluesky_did', DI::l10n()->t('Bluesky DID'), $did, DI::l10n()->t('This is the unique identifier. It will be fetched automatically, when the handle is entered.'), '', 'readonly'],
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'$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' => $status
]);
$data = [
'connector' => 'bluesky',
'title' => DI::l10n()->t('Bluesky Import/Export'),
'image' => 'images/bluesky.jpg',
'enabled' => $enabled,
'html' => $html,
];
}
function bluesky_settings_post(array &$b)
{
if (empty($_POST['bluesky-submit'])) {
return;
}
$old_host = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'host');
$old_handle = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle');
$old_did = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
$host = $_POST['bluesky_host'];
$handle = $_POST['bluesky_handle'];
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post', intval($_POST['bluesky']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'post_by_default', intval($_POST['bluesky_bydefault']));
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'host', $host);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'handle', $handle);
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DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import', intval($_POST['bluesky_import']));
if (!empty($host) && !empty($handle)) {
if (empty($old_did) || $old_host != $host || $old_handle != $handle) {
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DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'did', bluesky_get_did(DI::userSession()->getLocalUserId(), DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'handle')));
}
} else {
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
}
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if (!empty($_POST['bluesky_password'])) {
bluesky_create_token(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')
]
];
}
}
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function bluesky_cron()
{
$last = 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);
$pconfigs = DBA::selectToArray('pconfig', [], ['cat' => 'bluesky', 'k' => 'import', 'v' => true]);
foreach ($pconfigs as $pconfig) {
if ($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;
}
}
Logger::notice('importing timeline - start', ['user' => $pconfig['uid']]);
bluesky_fetch_timeline($pconfig['uid']);
Logger::notice('importing timeline - done', ['user' => $pconfig['uid']]);
}
Logger::notice('cron_end');
DI::keyValue()->set('bluesky_last_poll', time());
}
function bluesky_hook_fork(array &$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['parent'] != $post['id']) && !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['parent'] != $post['id']) || $post['private']) {
DI::logger()->info('Activities are never exported when we don\'t import the bluesky timeline', ['uid' => $post['uid']]);
$b['execute'] = false;
return;
}
}
function bluesky_post_local(array &$b)
{
if ($b['edit']) {
return;
}
if (!DI::userSession()->getLocalUserId() || (DI::userSession()->getLocalUserId() != $b['uid'])) {
return;
}
if ($b['private'] || $b['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']) {
$uri = bluesky_get_uri_class($b['uri']);
if (empty($uri)) {
Logger::debug('Not a bluesky post', ['uri' => $b['uri']]);
return;
}
bluesky_delete_post($b['uri'], $b['uid']);
return;
}
$root = bluesky_get_uri_class($b['parent-uri']);
$parent = bluesky_get_uri_class($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'] || !strstr($b['postopts'], 'bluesky')) {
return;
}
bluesky_create_post($b);
}
function bluesky_create_activity(array $item, stdClass $parent = null)
{
$uid = $item['uid'];
$token = bluesky_get_token($uid);
if (empty($token)) {
return;
}
$did = DI::pConfig()->get($uid, 'bluesky', 'did');
if ($item['verb'] == Activity::LIKE) {
$record = [
'subject' => $parent,
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.feed.like'
];
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$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
];
}
$activity = bluesky_post($uid, '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
if (empty($activity)) {
return;
}
Logger::debug('Activity done', ['return' => $activity]);
$uri = bluesky_get_uri($activity);
Item::update(['extid' => $uri], ['id' => $item['id']]);
Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $activity]);
}
function bluesky_create_post(array $item, stdClass $root = null, stdClass $parent = null)
{
$uid = $item['uid'];
$token = bluesky_get_token($uid);
if (empty($token)) {
return;
}
$did = DI::pConfig()->get($uid, 'bluesky', 'did');
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$urls = bluesky_get_urls($item['body']);
$msg = Plaintext::getPost($item, 300, false, BBCode::CONNECTORS);
foreach ($msg['parts'] as $key => $part) {
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$facets = bluesky_get_facets($part, $urls);
$record = [
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'text' => $facets['body'],
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.feed.post'
];
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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);
}
$post = [
'collection' => 'app.bsky.feed.post',
'repo' => $did,
'record' => $record
];
$parent = bluesky_post($uid, '/xrpc/com.atproto.repo.createRecord', json_encode($post), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
if (empty($parent)) {
return;
}
Logger::debug('Posting done', ['return' => $parent]);
if (empty($root)) {
$root = $parent;
}
if (($key == 0) && ($item['gravity'] != Item::GRAVITY_PARENT)) {
$uri = bluesky_get_uri($parent);
Item::update(['extid' => $uri], ['id' => $item['id']]);
Logger::debug('Set extid', ['id' => $item['id'], 'extid' => $uri]);
}
}
}
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function bluesky_get_urls(string $body): array
{
// Remove all hashtags and mentions
$body = preg_replace("/([#@!])\[url\=(.*?)\](.*?)\[\/url\]/ism", '', $body);
$urls = [];
// Search for pure links
if (preg_match_all("/\[url\](https?:.*?)\[\/url\]/ism", $body, $matches)) {
foreach ($matches[1] as $url) {
$urls[] = $url;
}
}
// Search for links with descriptions
if (preg_match_all("/\[url\=(https?:.*?)\].*?\[\/url\]/ism", $body, $matches)) {
foreach ($matches[1] as $url) {
$urls[] = $url;
}
}
return $urls;
}
function bluesky_get_facets(string $body, array $urls): array
{
$facets = [];
foreach ($urls as $url) {
$pos = strpos($body, $url);
if ($pos === false) {
continue;
}
if ($pos > 0) {
$prefix = substr($body, 0, $pos);
} else {
$prefix = '';
}
$linktext = Strings::getStyledURL($url);
$body = $prefix . $linktext . substr($body, $pos + strlen($url));
$facet = new stdClass;
$facet->index = new stdClass;
$facet->index->byteEnd = $pos + strlen($linktext);
$facet->index->byteStart = $pos;
$feature = new stdClass;
$feature->uri = $url;
$type = '$type';
$feature->$type = 'app.bsky.richtext.facet#link';
$facet->features = [$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) {
$photo = Photo::selectFirst(['resource-id'], ['id' => $image['id']]);
$photo = Photo::selectFirst([], ["`resource-id` = ? AND `scale` > ?", $photo['resource-id'], 0], ['order' => ['scale']]);
$blob = bluesky_upload_blob($uid, $photo);
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if (!empty($blob) && count($images) < 4) {
$images[] = ['alt' => $image['description'], 'image' => $blob];
}
}
if (!empty($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
{
$content = Photo::getImageForPhoto($photo);
$data = bluesky_post($uid, '/xrpc/com.atproto.repo.uploadBlob', $content, ['Content-type' => $photo['type'], 'Authorization' => ['Bearer ' . bluesky_get_token($uid)]]);
if (empty($data)) {
return null;
}
Logger::debug('Uploaded blob', ['return' => $data]);
return $data->blob;
}
function bluesky_delete_post(string $uri, int $uid)
{
$token = bluesky_get_token($uid);
$parts = bluesky_get_uri_parts($uri);
if (empty($parts)) {
Logger::debug('No uri delected', ['uri' => $uri]);
return;
}
bluesky_post($uid, '/xrpc/com.atproto.repo.deleteRecord', json_encode($parts), ['Content-type' => 'application/json', 'Authorization' => ['Bearer ' . $token]]);
Logger::debug('Deleted', ['parts' => $parts]);
}
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function bluesky_fetch_timeline(int $uid)
{
$data = bluesky_get($uid, '/xrpc/app.bsky.feed.getTimeline', HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
if (empty($data)) {
return;
}
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if (empty($data->feed)) {
return;
}
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foreach (array_reverse($data->feed) as $entry) {
bluesky_process_post($entry->post, $uid);
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if (!empty($entry->reason)) {
bluesky_process_reason($entry->reason, bluesky_get_uri($entry->post), $uid);
}
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}
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// @todo Support paging
// [cursor] => 1684670516000::bafyreidq3ilwslmlx72jf5vrk367xcc63s6lrhzlyup2bi3zwcvso6w2vi
}
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function bluesky_process_reason(stdClass $reason, string $uri, int $uid)
{
$type = '$type';
if ($reason->$type != 'app.bsky.feed.defs#reasonRepost') {
return;
}
$contact = bluesky_get_contact($reason->by, $uid);
$item = [
'network' => Protocol::BLUESKY,
'uid' => $uid,
'wall' => false,
'uri' => $reason->by->did . '/app.bsky.feed.repost/' . $reason->indexedAt,
'private' => Item::UNLISTED,
'verb' => Activity::POST,
'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['owner-name'] = $item['author-name'];
$item['owner-link'] = $item['author-link'];
$item['owner-avatar'] = $item['author-avatar'];
if (Item::insert($item)) {
$cdata = Contact::getPublicAndUserContactID($contact['id'], $uid);
Item::update(['post-reason' => Item::PR_ANNOUNCEMENT, 'causer-id' => $cdata['public']], ['uri' => $uri, 'uid' => $uid]);
}
}
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function bluesky_process_post(stdClass $post, int $uid): int
{
$uri = bluesky_get_uri($post);
if (Post::exists(['uri' => $uri, 'uid' => $uid]) || Post::exists(['extid' => $uri, 'uid' => $uid])) {
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return 0;
}
Logger::debug('Importing post', ['uid' => $uid, 'indexedAt' => $post->indexedAt, 'uri' => $post->uri, 'cid' => $post->cid]);
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$item = bluesky_get_header($post, $uri, $uid);
$item = bluesky_get_content($item, $post->record, $uid);
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if (!empty($post->embed)) {
$item = bluesky_add_media($post->embed, $item);
}
return item::insert($item);
}
function bluesky_get_header(stdClass $post, string $uri, int $uid): array
{
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$parts = bluesky_get_uri_parts($uri);
if (empty($post->author)) {
return [];
}
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$contact = bluesky_get_contact($post->author, $uid);
$item = [
'network' => Protocol::BLUESKY,
'uid' => $uid,
'wall' => false,
'uri' => $uri,
'guid' => $post->cid,
'private' => Item::UNLISTED,
'verb' => Activity::POST,
'contact-id' => $contact['id'],
'author-name' => $contact['name'],
'author-link' => $contact['url'],
'author-avatar' => $contact['avatar'],
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'plink' => $contact['alias'] . '/post/' . $parts->rkey,
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];
$item['uri-id'] = ItemURI::getIdByURI($uri);
$item['owner-name'] = $item['author-name'];
$item['owner-link'] = $item['author-link'];
$item['owner-avatar'] = $item['author-avatar'];
return $item;
}
function bluesky_get_content(array $item, stdClass $record, int $uid): array
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{
if (!empty($record->reply)) {
$item['parent-uri'] = bluesky_get_uri($record->reply->root);
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$item['parent-uri'] = bluesky_fetch_missing_post($item['parent-uri'], $uid, $item['contact-id']);
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$item['thr-parent'] = bluesky_get_uri($record->reply->parent);
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$item['thr-parent'] = bluesky_fetch_missing_post($item['thr-parent'], $uid, $item['contact-id']);
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}
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$item['body'] = bluesky_get_text($record, $uid);
$item['created'] = DateTimeFormat::utc($record->createdAt, DateTimeFormat::MYSQL);
return $item;
}
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function bluesky_get_text(stdClass $record, int $uid): string
{
$text = $record->text;
if (empty($record->facets)) {
return $text;
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}
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$facets = [];
foreach ($record->facets as $facet) {
$facets[$facet->index->byteStart] = $facet;
}
krsort($facets);
foreach ($facets as $facet) {
$prefix = substr($text, 0, $facet->index->byteStart);
$linktext = substr($text, $facet->index->byteStart, $facet->index->byteEnd - $facet->index->byteStart);
$suffix = substr($text, $facet->index->byteEnd);
$url = '';
foreach ($facet->features as $feature) {
if (!empty($feature->uri)) {
$url = $feature->uri;
}
if (!empty($feature->did)) {
$contact = Contact::selectFirst(['id'], ['nurl' => $feature->did, 'uid' => [0, $uid]]);
if (!empty($contact['id'])) {
$url = DI::baseUrl() . '/contact/' . $contact['id'];
if (substr($linktext, 0, 1) == '@') {
$prefix .= '@';
$linktext = substr($linktext, 1);
}
}
}
}
if (!empty($url)) {
$text = $prefix . '[url=' . $url . ']' . $linktext . '[/url]' . $suffix;
}
}
return $text;
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}
function bluesky_add_media(stdClass $embed, array $item): array
{
if (!empty($embed->images)) {
foreach ($embed->images as $image) {
$media = [
'uri-id' => $item['uri-id'],
'type' => Post\Media::IMAGE,
'url' => $image->fullsize,
'preview' => $image->thumb,
'description' => $image->alt,
];
Post\Media::insert($media);
}
} elseif (!empty($embed->external)) {
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$media = [
'uri-id' => $item['uri-id'],
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'type' => Post\Media::HTML,
'url' => $embed->external->uri,
'name' => $embed->external->title,
'description' => $embed->external->description,
];
Post\Media::insert($media);
} elseif (!empty($embed->record)) {
$uri = bluesky_get_uri($embed->record);
$shared = Post::selectFirst(['uri-id'], ['uri' => $uri, 'uid' => $item['uid']]);
if (empty($shared)) {
$shared = bluesky_get_header($embed->record, $uri, 0);
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if (!empty($shared)) {
$shared = bluesky_get_content($shared, $embed->record->value, $item['uid']);
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if (!empty($embed->record->embeds)) {
foreach ($embed->record->embeds as $single) {
$shared = bluesky_add_media($single, $shared);
}
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}
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$id = Item::insert($shared);
$shared = Post::selectFirst(['uri-id'], ['id' => $id]);
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}
}
if (!empty($shared)) {
$item['quote-uri-id'] = $shared['uri-id'];
}
} else {
Logger::debug('Unsupported embed', ['embed' => $embed, 'item' => $item]);
}
return $item;
}
function bluesky_get_uri(stdClass $post): string
{
return $post->uri . ':' . $post->cid;
}
function bluesky_get_uri_class(string $uri): ?stdClass
{
if (empty($uri)) {
return null;
}
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$elements = explode(':', $uri);
if (empty($elements) || ($elements[0] != 'at')) {
$post = Post::selectFirstPost(['extid'], ['uri' => $uri]);
return bluesky_get_uri_class($post['extid'] ?? '');
}
$class = new stdClass;
$class->cid = array_pop($elements);
$class->uri = implode(':', $elements);
return $class;
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}
function bluesky_get_uri_parts(string $uri): ?stdClass
{
$class = bluesky_get_uri_class($uri);
if (empty($class)) {
return null;
}
$parts = explode('/', substr($class->uri, 5));
$class = new stdClass;
$class->repo = $parts[0];
$class->collection = $parts[1];
$class->rkey = $parts[2];
return $class;
}
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function bluesky_fetch_missing_post(string $uri, int $uid, int $causer, bool $original = false): string
{
if (Post::exists(['uri' => $uri, 'uid' => [$uid, 0]])) {
Logger::debug('Post exists', ['uri' => $uri]);
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return $uri;
}
$reply = Post::selectFirst(['uri'], ['extid' => $uri, 'uid' => [$uid, 0]]);
if (!empty($reply['uri'])) {
return $reply['uri'];
}
Logger::debug('Fetch missing post', ['uri' => $uri]);
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if (!$original) {
$class = bluesky_get_uri_class($uri);
$fetch_uri = $class->uri;
} else {
$fetch_uri = $uri;
}
$data = bluesky_get($uid, '/xrpc/app.bsky.feed.getPosts?uris=' . urlencode($fetch_uri), HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
if (empty($data)) {
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return '';
}
if ($causer != 0) {
$cdata = Contact::getPublicAndUserContactID($causer, $uid);
}
foreach ($data->posts as $post) {
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$uri = bluesky_get_uri($post);
$item = bluesky_get_header($post, $uri, $uid);
$item = bluesky_get_content($item, $post->record, $uid);
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$item['post-reason'] = Item::PR_FETCHED;
if (!empty($cdata['public'])) {
$item['causer-id'] = $cdata['public'];
}
if (!empty($post->embed)) {
$item = bluesky_add_media($post->embed, $item);
}
$id = Item::insert($item);
Logger::debug('Stored item', ['id' => $id, 'uri' => $uri]);
}
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return $uri;
}
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function bluesky_get_contact(stdClass $author, int $uid): array
{
$condition = ['network' => Protocol::BLUESKY, 'uid' => $uid, 'url' => $author->did];
$fields = [
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'alias' => BLUESKY_HOST . '/profile/' . $author->handle,
'name' => $author->displayName,
'nick' => $author->handle,
'addr' => $author->handle,
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];
$contact = Contact::selectFirst([], $condition);
if (empty($contact)) {
$cid = bluesky_insert_contact($author, $uid);
} else {
$cid = $contact['id'];
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if ($fields['alias'] != $contact['alias'] || $fields['name'] != $contact['name'] || $fields['nick'] != $contact['nick'] || $fields['addr'] != $contact['addr']) {
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Contact::update($fields, ['id' => $cid]);
}
}
$condition['uid'] = 0;
$contact = Contact::selectFirst([], $condition);
if (empty($contact)) {
$pcid = bluesky_insert_contact($author, 0);
} else {
$pcid = $contact['id'];
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if ($fields['alias'] != $contact['alias'] || $fields['name'] != $contact['name'] || $fields['nick'] != $contact['nick'] || $fields['addr'] != $contact['addr']) {
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Contact::update($fields, ['id' => $pcid]);
}
}
if (!empty($author->avatar)) {
Contact::updateAvatar($cid, $author->avatar);
}
if (empty($contact) || $contact['updated'] < DateTimeFormat::utc('now -24 hours')) {
bluesky_update_contact($author, $uid, $cid, $pcid);
}
return Contact::getById($cid);
}
function bluesky_insert_contact(stdClass $author, int $uid)
{
$fields = [
'uid' => $uid,
'network' => Protocol::BLUESKY,
'priority' => 1,
'writable' => true,
'blocked' => false,
'readonly' => false,
'pending' => false,
'url' => $author->did,
'nurl' => $author->did,
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'alias' => BLUESKY_HOST . '/profile/' . $author->handle,
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'name' => $author->displayName,
'nick' => $author->handle,
'addr' => $author->handle,
];
return Contact::insert($fields);
}
function bluesky_update_contact(stdClass $author, int $uid, int $cid, int $pcid)
{
$data = bluesky_get($uid, '/xrpc/app.bsky.actor.getProfile?actor=' . $author->did, HttpClientAccept::JSON, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . bluesky_get_token($uid)]]]);
if (empty($data)) {
return;
}
$fields = [
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'alias' => BLUESKY_HOST . '/profile/' . $data->handle,
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'name' => $data->displayName,
'nick' => $data->handle,
'addr' => $data->handle,
'updated' => DateTimeFormat::utcNow(DateTimeFormat::MYSQL),
];
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if (!empty($data->description)) {
$fields['about'] = HTML::toBBCode($data->description);
}
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if (!empty($data->banner)) {
$fields['header'] = $data->banner;
}
Contact::update($fields, ['id' => $cid]);
Contact::update($fields, ['id' => $pcid]);
}
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function bluesky_get_did(int $uid, string $handle): string
{
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$data = bluesky_get($uid, '/xrpc/com.atproto.identity.resolveHandle?handle=' . $handle);
if (empty($data)) {
return '';
}
Logger::debug('Got DID', ['return' => $data]);
return $data->did;
}
function bluesky_get_token(int $uid): string
{
$token = DI::pConfig()->get($uid, 'bluesky', 'access_token');
$created = DI::pConfig()->get($uid, 'bluesky', 'token_created');
if (empty($token)) {
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return '';
}
if ($created + 300 < time()) {
return bluesky_refresh_token($uid);
}
return $token;
}
function bluesky_refresh_token(int $uid): string
{
$token = DI::pConfig()->get($uid, 'bluesky', 'refresh_token');
$data = bluesky_post($uid, '/xrpc/com.atproto.server.refreshSession', '', ['Authorization' => ['Bearer ' . $token]]);
if (empty($data)) {
return '';
}
Logger::debug('Refreshed token', ['return' => $data]);
DI::pConfig()->set($uid, 'bluesky', 'access_token', $data->accessJwt);
DI::pConfig()->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
DI::pConfig()->set($uid, 'bluesky', 'token_created', time());
return $data->accessJwt;
}
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function bluesky_create_token(int $uid, string $password): string
{
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$did = DI::pConfig()->get($uid, 'bluesky', 'did');
$data = bluesky_post($uid, '/xrpc/com.atproto.server.createSession', json_encode(['identifier' => $did, 'password' => $password]), ['Content-type' => 'application/json']);
if (empty($data)) {
return '';
}
Logger::debug('Created token', ['return' => $data]);
DI::pConfig()->set($uid, 'bluesky', 'access_token', $data->accessJwt);
DI::pConfig()->set($uid, 'bluesky', 'refresh_token', $data->refreshJwt);
DI::pConfig()->set($uid, 'bluesky', 'token_created', time());
return $data->accessJwt;
}
function bluesky_post(int $uid, string $url, string $params, array $headers): ?stdClass
{
try {
$curlResult = DI::httpClient()->post(DI::pConfig()->get($uid, 'bluesky', 'host') . $url, $params, $headers);
} catch (\Exception $e) {
Logger::notice('Exception on post', ['exception' => $e]);
return null;
}
if (!$curlResult->isSuccess()) {
Logger::notice('API Error', ['error' => json_decode($curlResult->getBody()) ?: $curlResult->getBody()]);
return null;
}
return json_decode($curlResult->getBody());
}
function bluesky_get(int $uid, string $url, string $accept_content = HttpClientAccept::DEFAULT, array $opts = []): ?stdClass
{
try {
$curlResult = DI::httpClient()->get(DI::pConfig()->get($uid, 'bluesky', 'host') . $url, $accept_content, $opts);
} catch (\Exception $e) {
Logger::notice('Exception on get', ['exception' => $e]);
return null;
}
if (!$curlResult->isSuccess()) {
Logger::notice('API Error', ['error' => json_decode($curlResult->getBody()) ?: $curlResult->getBody()]);
return null;
}
return json_decode($curlResult->getBody());
}