157 lines
5.4 KiB
PHP
157 lines
5.4 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (C) 2010-2022, the Friendica project
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
use Friendica\App;
|
|
use Friendica\Core\Logger;
|
|
use Friendica\Core\Protocol;
|
|
use Friendica\Database\DBA;
|
|
use Friendica\DI;
|
|
use Friendica\Model\Contact;
|
|
use Friendica\Protocol\OStatus;
|
|
use Friendica\Util\Strings;
|
|
use Friendica\Util\Network;
|
|
use Friendica\Model\GServer;
|
|
use Friendica\Model\Post;
|
|
|
|
function hub_return($valid, $body)
|
|
{
|
|
if ($valid) {
|
|
echo $body;
|
|
} else {
|
|
throw new \Friendica\Network\HTTPException\NotFoundException();
|
|
}
|
|
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]) : '');
|
|
$contact_id = ((DI::args()->getArgc() > 2) ? intval(DI::args()->getArgv()[2]) : 0 );
|
|
|
|
if ($_SERVER['REQUEST_METHOD'] === '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 ' . $contact['id'] . ' is not expected to share with us - ignored.');
|
|
hub_post_return();
|
|
}
|
|
|
|
// We only import feeds from OStatus here
|
|
if ($contact['network'] != 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();
|
|
}
|