3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 use Friendica\Network\HTTPException;
24 use Friendica\Core\Logger;
25 use Friendica\Core\Session;
26 use Friendica\Model\Item;
27 use Friendica\Util\Strings;
29 function subthread_content(App $a)
31 if (!Session::isAuthenticated()) {
32 throw new HTTPException\ForbiddenException();
35 $item_id = (($a->argc > 1) ? Strings::escapeTags(trim($a->argv[1])) : 0);
37 if (!Item::performActivity($item_id, 'follow')) {
38 Logger::info('Following item failed', ['item' => $item_id]);
39 throw new HTTPException\BadRequestException();
41 Logger::info('Followed item', ['item' => $item_id]);