2010-10-01 02:41:22 +00:00
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<?php
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2020-02-09 15:34:23 +00:00
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/**
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2021-03-29 06:40:20 +00:00
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* @copyright Copyright (C) 2010-2021, the Friendica project
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2020-02-09 15:34:23 +00:00
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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2010-10-01 02:41:22 +00:00
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2017-04-30 04:07:00 +00:00
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use Friendica\App;
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2018-10-29 21:20:46 +00:00
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use Friendica\Core\Logger;
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2018-08-11 20:40:44 +00:00
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use Friendica\Core\Protocol;
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2018-07-20 12:19:26 +00:00
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use Friendica\Database\DBA;
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2019-12-30 02:50:15 +00:00
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use Friendica\DI;
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2018-07-25 02:53:46 +00:00
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use Friendica\Model\Contact;
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2018-03-13 06:21:44 +00:00
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use Friendica\Protocol\OStatus;
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2018-11-08 15:14:37 +00:00
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use Friendica\Util\Strings;
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2019-07-30 22:26:01 +00:00
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use Friendica\Util\Network;
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2021-03-10 22:31:33 +00:00
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use Friendica\Model\GServer;
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use Friendica\Model\Post;
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2017-04-30 04:07:00 +00:00
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2018-03-13 21:03:56 +00:00
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function hub_return($valid, $body)
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{
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2018-03-13 06:21:44 +00:00
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if ($valid) {
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2010-10-01 02:41:22 +00:00
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echo $body;
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2018-03-13 06:21:44 +00:00
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} else {
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2019-05-02 03:16:10 +00:00
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throw new \Friendica\Network\HTTPException\NotFoundException();
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2010-10-01 02:41:22 +00:00
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}
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2018-12-26 05:40:12 +00:00
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exit();
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2010-10-01 02:41:22 +00:00
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}
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// when receiving an XML feed, always return OK
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2016-02-07 14:11:34 +00:00
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2018-03-13 21:03:56 +00:00
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function hub_post_return()
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{
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2019-05-02 03:16:10 +00:00
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throw new \Friendica\Network\HTTPException\OKException();
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2016-02-05 20:52:39 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2018-03-13 21:03:56 +00:00
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function pubsub_init(App $a)
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{
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2021-07-25 13:08:22 +00:00
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$nick = ((DI::args()->getArgc() > 1) ? Strings::escapeTags(trim(DI::args()->getArgv()[1])) : '');
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$contact_id = ((DI::args()->getArgc() > 2) ? intval(DI::args()->getArgv()[2]) : 0 );
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2010-10-01 02:41:22 +00:00
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2018-03-13 06:21:44 +00:00
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if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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2019-10-15 13:01:17 +00:00
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$hub_mode = Strings::escapeTags(trim($_GET['hub_mode'] ?? ''));
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$hub_topic = Strings::escapeTags(trim($_GET['hub_topic'] ?? ''));
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$hub_challenge = Strings::escapeTags(trim($_GET['hub_challenge'] ?? ''));
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$hub_verify = Strings::escapeTags(trim($_GET['hub_verify_token'] ?? ''));
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2010-10-01 09:28:06 +00:00
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2018-10-29 21:20:46 +00:00
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Logger::log('Subscription from ' . $_SERVER['REMOTE_ADDR'] . ' Mode: ' . $hub_mode . ' Nick: ' . $nick);
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2018-10-30 13:58:45 +00:00
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Logger::log('Data: ' . print_r($_GET,true), Logger::DATA);
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2010-10-01 02:41:22 +00:00
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$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
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2018-07-20 12:19:26 +00:00
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$owner = DBA::selectFirst('user', ['uid'], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
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2018-07-21 12:46:04 +00:00
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if (!DBA::isResult($owner)) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Local account not found: ' . $nick);
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2010-10-01 02:41:22 +00:00
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hub_return(false, '');
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2012-06-08 08:15:53 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2018-03-13 21:03:56 +00:00
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$condition = ['uid' => $owner['uid'], 'id' => $contact_id, 'blocked' => false, 'pending' => false];
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2010-10-01 02:41:22 +00:00
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2018-03-13 07:16:31 +00:00
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if (!empty($hub_verify)) {
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2018-03-13 21:03:56 +00:00
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$condition['hub-verify'] = $hub_verify;
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2018-03-13 07:16:31 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2018-07-20 12:19:26 +00:00
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$contact = DBA::selectFirst('contact', ['id', 'poll'], $condition);
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2018-07-21 12:46:04 +00:00
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if (!DBA::isResult($contact)) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Contact ' . $contact_id . ' not found.');
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2010-10-01 02:41:22 +00:00
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hub_return(false, '');
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2012-06-08 08:15:53 +00:00
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}
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2018-11-08 15:46:50 +00:00
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if (!empty($hub_topic) && !Strings::compareLink($hub_topic, $contact['poll'])) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Hub topic ' . $hub_topic . ' != ' . $contact['poll']);
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2018-03-13 21:03:56 +00:00
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hub_return(false, '');
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2018-03-13 06:21:44 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2017-01-09 12:14:55 +00:00
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// We must initiate an unsubscribe request with a verify_token.
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2010-10-01 02:41:22 +00:00
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// Don't allow outsiders to unsubscribe us.
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2018-03-13 21:03:56 +00:00
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if (($hub_mode === 'unsubscribe') && empty($hub_verify)) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Bogus unsubscribe');
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2018-03-13 21:03:56 +00:00
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hub_return(false, '');
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2011-10-05 01:53:56 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2018-03-13 07:16:31 +00:00
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if (!empty($hub_mode)) {
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2018-07-20 12:19:26 +00:00
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DBA::update('contact', ['subhub' => $subscribe], ['id' => $contact['id']]);
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2018-10-29 21:20:46 +00:00
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Logger::log($hub_mode . ' success for contact ' . $contact_id . '.');
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2018-03-13 06:21:44 +00:00
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}
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2014-03-09 08:19:14 +00:00
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hub_return(true, $hub_challenge);
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2010-10-01 02:41:22 +00:00
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}
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}
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2018-03-13 21:03:56 +00:00
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function pubsub_post(App $a)
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{
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2019-07-30 22:26:01 +00:00
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$xml = Network::postdata();
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2010-10-01 02:41:22 +00:00
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2019-12-16 00:33:13 +00:00
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Logger::log('Feed arrived from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . DI::args()->getCommand() . ' with user-agent: ' . $_SERVER['HTTP_USER_AGENT']);
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2018-10-30 13:58:45 +00:00
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Logger::log('Data: ' . $xml, Logger::DATA);
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2010-10-01 09:28:06 +00:00
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2021-07-25 13:08:22 +00:00
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$nick = ((DI::args()->getArgc() > 1) ? Strings::escapeTags(trim(DI::args()->getArgv()[1])) : '');
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$contact_id = ((DI::args()->getArgc() > 2) ? intval(DI::args()->getArgv()[2]) : 0 );
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2010-10-01 02:41:22 +00:00
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2018-07-20 12:19:26 +00:00
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$importer = DBA::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
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2018-07-21 12:46:04 +00:00
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if (!DBA::isResult($importer)) {
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2010-10-01 02:41:22 +00:00
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hub_post_return();
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2016-12-20 09:10:33 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2018-03-13 21:03:56 +00:00
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$condition = ['id' => $contact_id, 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
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2018-07-20 12:19:26 +00:00
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$contact = DBA::selectFirst('contact', [], $condition);
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2010-10-01 02:41:22 +00:00
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2018-07-21 12:46:04 +00:00
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if (!DBA::isResult($contact)) {
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2018-03-13 06:21:44 +00:00
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$author = OStatus::salmonAuthor($xml, $importer);
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if (!empty($author['contact-id'])) {
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2018-03-13 21:03:56 +00:00
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$condition = ['id' => $author['contact-id'], 'uid' => $importer['uid'], 'subhub' => true, 'blocked' => false];
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2018-07-20 12:19:26 +00:00
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$contact = DBA::selectFirst('contact', [], $condition);
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2018-10-29 21:20:46 +00:00
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Logger::log('No record for ' . $nick .' with contact id ' . $contact_id . ' - using '.$author['contact-id'].' instead.');
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2018-03-13 21:03:56 +00:00
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}
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2018-07-21 12:46:04 +00:00
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if (!DBA::isResult($contact)) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Contact ' . $author["author-link"] . ' (' . $contact_id . ') for user ' . $nick . " wasn't found - ignored. XML: " . $xml);
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2018-03-13 21:03:56 +00:00
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hub_post_return();
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2018-03-13 06:21:44 +00:00
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}
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2011-02-10 03:56:40 +00:00
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}
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2010-10-01 02:41:22 +00:00
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2021-03-10 22:31:33 +00:00
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if (!empty($contact['gsid'])) {
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GServer::setProtocol($contact['gsid'], Post\DeliveryData::OSTATUS);
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}
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2018-08-11 20:40:44 +00:00
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if (!in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND]) && ($contact['network'] != Protocol::FEED)) {
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2018-10-29 21:20:46 +00:00
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Logger::log('Contact ' . $contact['id'] . ' is not expected to share with us - ignored.');
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2011-08-24 08:41:27 +00:00
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hub_post_return();
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2018-03-13 06:21:44 +00:00
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}
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2010-10-01 09:28:06 +00:00
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2021-01-09 12:59:30 +00:00
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// We only import feeds from OStatus here
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if ($contact['network'] != Protocol::OSTATUS) {
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Logger::warning('Unexpected network', ['contact' => $contact]);
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2018-03-13 21:03:56 +00:00
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hub_post_return();
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}
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2010-10-01 02:41:22 +00:00
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2018-10-29 21:20:46 +00:00
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Logger::log('Import item for ' . $nick . ' from ' . $contact['nick'] . ' (' . $contact['id'] . ')');
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2018-03-13 21:03:56 +00:00
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$feedhub = '';
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2021-01-09 12:59:30 +00:00
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OStatus::import($xml, $importer, $contact, $feedhub);
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2010-11-12 04:32:20 +00:00
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2010-10-01 03:24:03 +00:00
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hub_post_return();
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2010-10-01 02:41:22 +00:00
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}
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