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friendica-addons/bluesky/bluesky.php

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<?php
/**
* Name: Bluesky Connector
* Description: Post to Bluesky
* Version: 1.0
* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
*
* @todo
* - Process facets
* - detect incoming reshares
* - detect contact relations
* - alternate link for contacts
* - plink for posts
* - fetch missing posts
* - only fetch new posts
* - receive likes
*
* - create facets
* - transmit comments
* - transmits likes
* - transmit reshares
*/
use Friendica\Content\Text\BBCode;
use Friendica\Content\Text\HTML;
use Friendica\Content\Text\Plaintext;
use Friendica\Core\Config\Util\ConfigFileManager;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Item;
use Friendica\Model\ItemURI;
use Friendica\Model\Photo;
use Friendica\Model\Post;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Protocol\Activity;
use Friendica\Util\DateTimeFormat;
define('BLUESKY_DEFAULT_POLL_INTERVAL', 10); // given in minutes
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');
}
function bluesky_load_config(ConfigFileManager $loader)
{
DI::app()->getConfigCache()->load($loader->loadAddonConfig('bluesky'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC);
}
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');
$token = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'access_token');
$import = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'bluesky', 'import') ?? false;
$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'), $def_enabled],
'$import' => ['bluesky_import', DI::l10n()->t('Import the remote timeline'), $import],
'$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'), $did, DI::l10n()->t('This is the unique identifier. It will be fetched automatically, when the handle is entered.'), '', 'readonly'],
'$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 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', $handle);
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'import', intval($_POST['bluesky_import']));
if (!empty($host) && !empty($handle)) {
if (empty($old_did) || $old_host != $host || $old_handle != $handle) {
DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'bluesky', 'did', bluesky_get_did(DI::userSession()->getLocalUserId()));
}
} else {
DI::pConfig()->delete(DI::userSession()->getLocalUserId(), 'bluesky', 'did');
}
if (!empty($_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')
]
];
}
}
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');
$b['execute'] = false;
return;
}
if (!strstr($post['postopts'] ?? '', 'bluesky') || ($post['parent'] != $post['id']) || $post['private']) {
$b['execute'] = false;
return;
}
}
function bluesky_post_local(array &$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 ($b['gravity'] != Item::GRAVITY_PARENT) {
return;
} elseif ($b['private'] || !strstr($b['postopts'], 'bluesky')) {
return;
}
bluesky_create_post($b);
}
function bluesky_create_post(array $item)
{
$uid = $item['uid'];
$token = bluesky_get_token($uid);
if (empty($token)) {
return;
}
$did = DI::pConfig()->get($uid, 'bluesky', 'did');
$msg = Plaintext::getPost($item, 300, false, BBCode::CONNECTORS);
$parent = $root = [];
foreach ($msg['parts'] as $key => $part) {
$record = [
'text' => $part,
'createdAt' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
'$type' => 'app.bsky.feed.post'
];
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;
}
}
}
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, $photo);
if (!empty($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_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;
}
if (empty($data->feed)) {
return;
}
foreach (array_reverse($data->feed) as $entry) {
Logger::debug('Importing post', ['uid' => $uid, 'indexedAt' => $entry->post->indexedAt, 'uri' => $entry->post->uri, 'cid' => $entry->post->cid]);
bluesky_process_post($entry->post, $uid);
}
// @todo Support paging
// [cursor] => 1684670516000::bafyreidq3ilwslmlx72jf5vrk367xcc63s6lrhzlyup2bi3zwcvso6w2vi
}
function bluesky_process_post(stdClass $post, int $uid): int
{
$uri = bluesky_get_uri($post);
if (Post::exists(['uri' => $uri, 'uid' => $uid])) {
return 0;
}
$item = bluesky_get_header($post, $uri, $uid);
$item = bluesky_get_content($item, $post->record);
if (!empty($post->embed)) {
$item = bluesky_add_media($post->embed, $item);
}
return item::insert($item);
}
function bluesky_get_header(stdClass $post, string $uri, int $uid): array
{
$contact = bluesky_get_contact($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'],
// 'plink' => '', @todo Path to a web representation
];
$item['uri-id'] = ItemURI::getIdByURI($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 $record): array
{
if (!empty($record->reply)) {
$item['parent'] = bluesky_get_uri($record->reply->root);
$item['thr-parent'] = bluesky_get_uri($record->reply->parent);
}
$body = $record->text;
if (!empty($record->facets)) {
// @todo add Links
}
$item['body'] = $body;
$item['created'] = DateTimeFormat::utc($record->createdAt, DateTimeFormat::MYSQL);
return $item;
}
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)) {
$media = ['uri-id' => $item['uri-id'],
'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);
$shared = bluesky_get_content($shared, $embed->record->value);
if (!empty($embed->record->embeds)) {
foreach ($embed->record->embeds as $single) {
$shared = bluesky_add_media($single, $shared);
}
}
$id = Item::insert($shared);
$shared = Post::selectFirst(['uri-id'], ['id' => $id]);
}
if (!empty($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_contact(stdClass $author, int $uid): array
{
$condition = ['network' => Protocol::BLUESKY, 'uid' => $uid, 'url' => $author->did];
$fields = [
'name' => $author->displayName,
'nick' => $author->handle,
'addr' => $author->handle,
];
$contact = Contact::selectFirst([], $condition);
if (empty($contact)) {
$cid = bluesky_insert_contact($author, $uid);
} else {
$cid = $contact['id'];
if ($fields['name'] != $contact['name'] || $fields['nick'] != $contact['nick'] || $fields['addr'] != $contact['addr']) {
Contact::update($fields, ['id' => $cid]);
}
}
$condition['uid'] = 0;
$contact = Contact::selectFirst([], $condition);
if (empty($contact)) {
$pcid = bluesky_insert_contact($author, 0);
} else {
$pcid = $contact['id'];
if ($fields['name'] != $contact['name'] || $fields['nick'] != $contact['nick'] || $fields['addr'] != $contact['addr']) {
Contact::update($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,
// 'alias' => '', @todo Path to a web representation
'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 = [
'name' => $data->displayName,
'nick' => $data->handle,
'addr' => $data->handle,
'about' => HTML::toBBCode($data->description),
'updated' => DateTimeFormat::utcNow(DateTimeFormat::MYSQL),
];
if (!empty($data->banner)) {
$fields['header'] = $data->banner;
}
Contact::update($fields, ['id' => $cid]);
Contact::update($fields, ['id' => $pcid]);
}
function bluesky_get_did(int $uid): string
{
$data = bluesky_get($uid, '/xrpc/com.atproto.identity.resolveHandle?handle=' . DI::pConfig()->get($uid, 'bluesky', 'handle'));
if (empty($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($token)) {
return '';
}
if ($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;
}
function bluesky_create_token(int $uid, string $password): string
{
$did = DI::pConfig()->get($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());
}
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