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Bluesky: probing for bluesky handles

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Michael 2024-09-03 11:28:49 +00:00
parent 454e9834bf
commit 2f9076bffd
1 changed files with 112 additions and 34 deletions
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146
bluesky/bluesky.php
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@ -45,10 +45,12 @@ use Friendica\Model\Tag;
use Friendica\Model\User;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Network\HTTPClient\Client\HttpClientRequest;
use Friendica\Object\Image;
use Friendica\Protocol\Activity;
use Friendica\Protocol\Relay;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\Strings;
const BLUESKY_DEFAULT_POLL_INTERVAL = 10; // given in minutes
@ -129,8 +131,13 @@ function bluesky_probe_detect(array &$hookData)
if (parse_url($hookData['uri'], PHP_URL_SCHEME) == 'did') {
$did = $hookData['uri'];
} elseif (preg_match('#^' . BLUESKY_WEB . '/profile/(.+)#', $hookData['uri'], $matches)) {
$did = bluesky_get_did($matches[1]);
} elseif (parse_url($hookData['uri'], PHP_URL_PATH) == $hookData['uri'] && strpos($hookData['uri'], '@') === false) {
$did = bluesky_get_did($hookData['uri'], $pconfig['uid']);
if (empty($did)) {
return;
}
} elseif (Network::isValidHttpUrl($hookData['uri'])) {
$did = bluesky_get_did_by_profile($hookData['uri']);
if (empty($did)) {
return;
}
@ -148,19 +155,14 @@ function bluesky_probe_detect(array &$hookData)
return;
}
$hookData['result'] = bluesky_get_contact_fields($data, 0, $pconfig['uid'], false);
$hookData['result']['baseurl'] = bluesky_get_pds($did);
$hookData['result'] = bluesky_get_contact_fields($data, 0, $pconfig['uid'], true);
// Preparing probe data. This differs slightly from the contact array
$hookData['result']['about'] = HTML::toBBCode($data->description ?? '');
$hookData['result']['photo'] = $data->avatar ?? '';
$hookData['result']['header'] = $data->banner ?? '';
$hookData['result']['batch'] = '';
$hookData['result']['notify'] = '';
$hookData['result']['poll'] = '';
$hookData['result']['poco'] = '';
$hookData['result']['pubkey'] = '';
$hookData['result']['priority'] = 0;
$hookData['result']['guid'] = '';
}
@ -177,21 +179,21 @@ function bluesky_item_by_link(array &$hookData)
return;
}
if (!preg_match('#^' . BLUESKY_WEB . '/profile/(.+)/post/(.+)#', $hookData['uri'], $matches)) {
return;
}
$did = bluesky_get_did($matches[1]);
$did = bluesky_get_did_by_profile($hookData['uri']);
if (empty($did)) {
return;
}
Logger::debug('Found bluesky post', ['url' => $hookData['uri'], 'handle' => $matches[1], 'did' => $did, 'cid' => $matches[2]]);
if (!preg_match('#/profile/.+/post/(.+)#', $hookData['uri'], $matches)) {
return;
}
$uri = 'at://' . $did . '/app.bsky.feed.post/' . $matches[2];
Logger::debug('Found bluesky post', ['url' => $hookData['uri'], 'did' => $did, 'cid' => $matches[1]]);
$uri = 'at://' . $did . '/app.bsky.feed.post/' . $matches[1];
$uri = bluesky_fetch_missing_post($uri, $hookData['uid'], $hookData['uid'], Item::PR_FETCHED, 0, 0, 0);
Logger::debug('Got post', ['profile' => $matches[1], 'cid' => $matches[2], 'result' => $uri]);
Logger::debug('Got post', ['did' => $did, 'cid' => $matches[1], 'result' => $uri]);
if (!empty($uri)) {
$item = Post::selectFirst(['id'], ['uri' => $uri, 'uid' => $hookData['uid']]);
if (!empty($item['id'])) {
@ -1678,10 +1680,14 @@ function bluesky_get_contact_fields(stdClass $author, int $uid, int $fetch_uid,
return $fields;
}
$fields['baseurl'] = bluesky_get_pds($author->did);
if (!empty($fields['baseurl'])) {
GServer::check($fields['baseurl'], Protocol::BLUESKY);
$fields['gsid'] = GServer::getID($fields['baseurl'], true);
$data = bluesky_get(BLUESKY_DIRECTORY . '/' . $author->did);
if (!empty($data)) {
$fields['baseurl'] = bluesky_get_pds('', $data);
if (!empty($fields['baseurl'])) {
GServer::check($fields['baseurl'], Protocol::BLUESKY);
$fields['gsid'] = GServer::getID($fields['baseurl'], true);
}
$fields['pubkey'] = bluesky_get_public_key('', $data);
}
$data = bluesky_xrpc_get($fetch_uid, 'app.bsky.actor.getProfile', ['actor' => $author->did]);
@ -1748,6 +1754,42 @@ function bluesky_get_preferences(int $uid): ?stdClass
return $data;
}
function bluesky_get_did_by_profile(string $url): string
{
try {
$curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML, [HttpClientOptions::REQUEST => HttpClientRequest::CONTACTINFO]);
} catch (\Throwable $th) {
return '';
}
if (!$curlResult->isSuccess()) {
return '';
}
$profile = $curlResult->getBodyString();
$doc = new DOMDocument();
@$doc->loadHTML($profile);
$xpath = new DOMXPath($doc);
$list = $xpath->query('//p[@id]');
foreach ($list as $node) {
foreach ($node->attributes as $attribute) {
if ($attribute->name == 'id') {
$ids[$attribute->value] = $node->textContent;
}
}
}
if (empty($ids['bsky_handle']) || empty($ids['bsky_did'])) {
return '';
}
if (!bluesky_valid_did($ids['bsky_did'], $ids['bsky_handle'])) {
Logger::notice('Invalid DID', ['handle' => $ids['bsky_handle'], 'did' => $ids['bsky_did']]);
return '';
}
return $ids['bsky_did'];
}
function bluesky_get_did_by_wellknown(string $handle): string
{
$curlResult = DI::httpClient()->get('http://' . $handle . '/.well-known/atproto-did');
@ -1757,7 +1799,6 @@ function bluesky_get_did_by_wellknown(string $handle): string
Logger::notice('Invalid DID', ['handle' => $handle, 'did' => $did]);
return '';
}
Logger::debug('Got DID by wellknown', ['handle' => $handle, 'did' => $did]);
return $did;
}
return '';
@ -1776,14 +1817,13 @@ function bluesky_get_did_by_dns(string $handle): string
Logger::notice('Invalid DID', ['handle' => $handle, 'did' => $did]);
return '';
}
Logger::debug('Got DID by DNS', ['handle' => $handle, 'did' => $did]);
return $did;
}
}
return '';
}
function bluesky_get_did(string $handle): string
function bluesky_get_did(string $handle, int $uid): string
{
if ($handle == '') {
return '';
@ -1793,19 +1833,39 @@ function bluesky_get_did(string $handle): string
$handle .= '.' . BLUESKY_HOSTNAME;
}
// At first we use the user PDS. That should cover most cases.
$pds = DI::pConfig()->get($uid, 'bluesky', 'pds');
if (!empty($pds)) {
$data = bluesky_get($pds . '/xrpc/com.atproto.identity.resolveHandle?handle=' . urlencode($handle));
if (!empty($data) && !empty($data->did)) {
Logger::debug('Got DID by user PDS call', ['handle' => $handle, 'did' => $data->did]);
return $data->did;
}
}
// Then we query the DNS, which is used for third party handles (DNS should be faster than wellknown)
$did = bluesky_get_did_by_dns($handle);
if ($did != '') {
Logger::debug('Got DID by DNS', ['handle' => $handle, 'did' => $did]);
return $did;
}
// Then we query wellknown, which should mostly cover the rest.
$did = bluesky_get_did_by_wellknown($handle);
if ($did != '') {
Logger::debug('Got DID by wellknown', ['handle' => $handle, 'did' => $did]);
return $did;
}
// And finally we use the default PDS from Bluesky.
$data = bluesky_get(BLUESKY_PDS . '/xrpc/com.atproto.identity.resolveHandle?handle=' . urlencode($handle));
if (!empty($data) && !empty($data->did)) {
Logger::debug('Got DID by PDS call', ['handle' => $handle, 'did' => $data->did]);
Logger::debug('Got DID by system PDS call', ['handle' => $handle, 'did' => $data->did]);
return $data->did;
}
// Possibly a custom PDS.
$did = bluesky_get_did_by_dns($handle);
if ($did != '') {
return $did;
}
return bluesky_get_did_by_wellknown($handle);
Logger::notice('No DID detected', ['handle' => $handle]);
return '';
}
function bluesky_get_user_did(int $uid, bool $refresh = false): ?string
@ -1822,7 +1882,7 @@ function bluesky_get_user_did(int $uid, bool $refresh = false): ?string
return null;
}
$did = bluesky_get_did($handle);
$did = bluesky_get_did($handle, $uid);
if (empty($did)) {
return null;
}
@ -1853,9 +1913,11 @@ function bluesky_get_user_pds(int $uid): ?string
return $pds;
}
function bluesky_get_pds(string $did): ?string
function bluesky_get_pds(string $did, stdClass $data = null): ?string
{
$data = bluesky_get(BLUESKY_DIRECTORY . '/' . $did);
if (empty($data)) {
$data = bluesky_get(BLUESKY_DIRECTORY . '/' . $did);
}
if (empty($data) || empty($data->service)) {
return null;
}
@ -1869,6 +1931,22 @@ function bluesky_get_pds(string $did): ?string
return null;
}
function bluesky_get_public_key(string $did, stdClass $data = null): ?string
{
if (empty($data)) {
$data = bluesky_get(BLUESKY_DIRECTORY . '/' . $did);
}
if (empty($data) || empty($data->verificationMethod)) {
return null;
}
foreach ($data->verificationMethod as $method) {
if (!empty($method->publicKeyMultibase)) {
return $method->publicKeyMultibase;
}
}
return null;
}
function bluesky_valid_did(string $did, string $handle): bool
{
$data = bluesky_get(BLUESKY_DIRECTORY . '/' . $did);