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Create new OStatus\PubSub module class

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- Retain previous route /pubsub for backward compatibility
This commit is contained in:
Hypolite Petovan 2022-11-10 21:41:36 -05:00
parent cac42d349c
commit a1a0b6512c
3 changed files with 162 additions and 107 deletions
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105
mod/pubsub.php
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@ -42,117 +42,12 @@ function hub_return($valid, $body)
System::exit();
}
// when receiving an XML feed, always return OK
function hub_post_return()
{
throw new \Friendica\Network\HTTPException\OKException();
}
function pubsub_init(App $a)
{
$nick = ((DI::args()->getArgc() > 1) ? trim(DI::args()->getArgv()[1]) : '');
$contact_id = ((DI::args()->getArgc() > 2) ? intval(DI::args()->getArgv()[2]) : 0 );
if (DI::args()->getMethod() === App\Router::GET) {
$hub_mode = trim($_GET['hub_mode'] ?? '');
$hub_topic = trim($_GET['hub_topic'] ?? '');
$hub_challenge = trim($_GET['hub_challenge'] ?? '');
$hub_verify = trim($_GET['hub_verify_token'] ?? '');
Logger::notice('Subscription from ' . $_SERVER['REMOTE_ADDR'] . ' Mode: ' . $hub_mode . ' Nick: ' . $nick);
Logger::debug('Data: ', ['get' => $_GET]);
$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
$owner = DBA::selectFirst('user', ['uid'], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
if (!DBA::isResult($owner)) {
Logger::notice('Local account not found: ' . $nick);
hub_return(false, '');
}
$condition = ['uid' => $owner['uid'], 'id' => $contact_id, 'blocked' => false, 'pending' => false];
if (!empty($hub_verify)) {
$condition['hub-verify'] = $hub_verify;
}
$contact = DBA::selectFirst('contact', ['id', 'poll'], $condition);
if (!DBA::isResult($contact)) {
Logger::notice('Contact ' . $contact_id . ' not found.');
hub_return(false, '');
}
if (!empty($hub_topic) && !Strings::compareLink($hub_topic, $contact['poll'])) {
Logger::notice('Hub topic ' . $hub_topic . ' != ' . $contact['poll']);
hub_return(false, '');
}
// We must initiate an unsubscribe request with a verify_token.
// Don't allow outsiders to unsubscribe us.
if (($hub_mode === 'unsubscribe') && empty($hub_verify)) {
Logger::notice('Bogus unsubscribe');
hub_return(false, '');
}
if (!empty($hub_mode)) {
Contact::update(['subhub' => $subscribe], ['id' => $contact['id']]);
Logger::notice($hub_mode . ' success for contact ' . $contact_id . '.');
}
hub_return(true, $hub_challenge);
}
}
function pubsub_post(App $a)
{
$xml = Network::postdata();
Logger::info('Feed arrived from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . DI::args()->getCommand() . ' with user-agent: ' . $_SERVER['HTTP_USER_AGENT']);
Logger::debug('Data: ' . $xml);
$nick = ((DI::args()->getArgc() > 1) ? trim(DI::args()->getArgv()[1]) : '');
$contact_id = ((DI::args()->getArgc() > 2) ? intval(DI::args()->getArgv()[2]) : 0 );
$importer = DBA::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
if (!DBA::isResult($importer)) {
hub_post_return();
}
$condition = ['id' => $contact_id, 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
$contact = DBA::selectFirst('contact', [], $condition);
if (!DBA::isResult($contact)) {
$author = OStatus::salmonAuthor($xml, $importer);
if (!empty($author['contact-id'])) {
$condition = ['id' => $author['contact-id'], 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
$contact = DBA::selectFirst('contact', [], $condition);
Logger::notice('No record for ' . $nick .' with contact id ' . $contact_id . ' - using '.$author['contact-id'].' instead.');
}
if (!DBA::isResult($contact)) {
Logger::notice('Contact ' . $author["author-link"] . ' (' . $contact_id . ') for user ' . $nick . " wasn't found - ignored. XML: " . $xml);
hub_post_return();
}
}
if (!empty($contact['gsid'])) {
GServer::setProtocol($contact['gsid'], Post\DeliveryData::OSTATUS);
}
if (!in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND]) && ($contact['network'] != Protocol::FEED)) {
Logger::notice('Contact ' . $contact['id'] . ' is not expected to share with us - ignored.');
hub_post_return();
}
// We only import feeds from OStatus here
if (!in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::OSTATUS])) {
Logger::warning('Unexpected network', ['contact' => $contact]);
hub_post_return();
}
Logger::info('Import item for ' . $nick . ' from ' . $contact['nick'] . ' (' . $contact['id'] . ')');
$feedhub = '';
OStatus::import($xml, $importer, $contact, $feedhub);
hub_post_return();
}