From: Hypolite Petovan Date: Fri, 11 Nov 2022 02:25:17 +0000 (-0500) Subject: Remove mod/pubsubhubbub.php file X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=cac42d349c59dec5be09ff0db16c8dfecb184b05;p=friendica.git Remove mod/pubsubhubbub.php file --- diff --git a/mod/pubsubhubbub.php b/mod/pubsubhubbub.php deleted file mode 100644 index 5dda9ee0af..0000000000 --- a/mod/pubsubhubbub.php +++ /dev/null @@ -1,147 +0,0 @@ -. - * - */ - -use Friendica\App; -use Friendica\Core\Logger; -use Friendica\Core\System; -use Friendica\Database\DBA; -use Friendica\DI; -use Friendica\Model\PushSubscriber; -use Friendica\Util\Strings; - -function pubsubhubbub_init(App $a) { - // PuSH subscription must be considered "public" so just block it - // if public access isn't enabled. - if (DI::config()->get('system', 'block_public')) { - throw new \Friendica\Network\HTTPException\ForbiddenException(); - } - - // Subscription request from subscriber - // https://pubsubhubbub.googlecode.com/git/pubsubhubbub-core-0.4.html#anchor4 - // Example from GNU Social: - // [hub_mode] => subscribe - // [hub_callback] => http://status.local/main/push/callback/1 - // [hub_verify] => sync - // [hub_verify_token] => af11... - // [hub_secret] => af11... - // [hub_topic] => http://friendica.local/dfrn_poll/sazius - - if (DI::args()->getMethod() === App\Router::POST) { - $hub_mode = $_POST['hub_mode'] ?? ''; - $hub_callback = $_POST['hub_callback'] ?? ''; - $hub_verify_token = $_POST['hub_verify_token'] ?? ''; - $hub_secret = $_POST['hub_secret'] ?? ''; - $hub_topic = $_POST['hub_topic'] ?? ''; - - // check for valid hub_mode - if ($hub_mode === 'subscribe') { - $subscribe = 1; - } elseif ($hub_mode === 'unsubscribe') { - $subscribe = 0; - } else { - Logger::notice("Invalid hub_mode=$hub_mode, ignoring."); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - Logger::info("$hub_mode request from " . $_SERVER['REMOTE_ADDR']); - - if (DI::args()->getArgc() > 1) { - // Normally the url should now contain the nick name as last part of the url - $nick = DI::args()->getArgv()[1]; - } else { - // Get the nick name from the topic as a fallback - $nick = $hub_topic; - } - // Extract nick name and strip any .atom extension - $nick = basename($nick, '.atom'); - - if (!$nick) { - Logger::notice('Bad hub_topic=$hub_topic, ignoring.'); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - // fetch user from database given the nickname - $condition = ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]; - $owner = DBA::selectFirst('user', ['uid', 'nickname'], $condition); - if (!DBA::isResult($owner)) { - Logger::notice('Local account not found: ' . $nick . ' - topic: ' . $hub_topic . ' - callback: ' . $hub_callback); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - // get corresponding row from contact table - $condition = ['uid' => $owner['uid'], 'blocked' => false, - 'pending' => false, 'self' => true]; - $contact = DBA::selectFirst('contact', ['poll'], $condition); - if (!DBA::isResult($contact)) { - Logger::notice('Self contact for user ' . $owner['uid'] . ' not found.'); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - // sanity check that topic URLs are the same - $hub_topic2 = str_replace('/feed/', '/dfrn_poll/', $hub_topic); - $self = DI::baseUrl() . '/api/statuses/user_timeline/' . $owner['nickname'] . '.atom'; - - if (!Strings::compareLink($hub_topic, $contact['poll']) && !Strings::compareLink($hub_topic2, $contact['poll']) && !Strings::compareLink($hub_topic, $self)) { - Logger::notice('Hub topic ' . $hub_topic . ' != ' . $contact['poll']); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - // do subscriber verification according to the PuSH protocol - $hub_challenge = Strings::getRandomHex(40); - - $params = http_build_query([ - 'hub.mode' => $subscribe == 1 ? 'subscribe' : 'unsubscribe', - 'hub.topic' => $hub_topic, - 'hub.challenge' => $hub_challenge, - 'hub.verify_token' => $hub_verify_token, - - // lease time is hard coded to one week (in seconds) - // we don't actually enforce the lease time because GNU - // Social/StatusNet doesn't honour it (yet) - 'hub.lease_seconds' => 604800, - ]); - - $hub_callback = rtrim($hub_callback, ' ?&#'); - $separator = parse_url($hub_callback, PHP_URL_QUERY) === null ? '?' : '&'; - - $fetchResult = DI::httpClient()->fetchFull($hub_callback . $separator . $params); - $body = $fetchResult->getBody(); - $ret = $fetchResult->getReturnCode(); - - // give up if the HTTP return code wasn't a success (2xx) - if ($ret < 200 || $ret > 299) { - Logger::notice("Subscriber verification for $hub_topic at $hub_callback returned $ret, ignoring."); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - // check that the correct hub_challenge code was echoed back - if (trim($body) !== $hub_challenge) { - Logger::notice("Subscriber did not echo back hub.challenge, ignoring."); - Logger::notice("\"$hub_challenge\" != \"".trim($body)."\""); - throw new \Friendica\Network\HTTPException\NotFoundException(); - } - - PushSubscriber::renew($owner['uid'], $nick, $subscribe, $hub_callback, $hub_topic, $hub_secret); - - throw new \Friendica\Network\HTTPException\AcceptedException(); - } - System::exit(); -}