friendica/mod/subthread.php

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<?php
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/**
* @copyright Copyright (C) 2020, Friendica
*
* @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/>.
*
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*/
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use Friendica\App;
use Friendica\Network\HTTPException;
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use Friendica\Core\Logger;
use Friendica\Core\Session;
use Friendica\Model\Item;
use Friendica\Util\Strings;
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function subthread_content(App $a)
{
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if (!Session::isAuthenticated()) {
throw new HTTPException\ForbiddenException();
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}
$item_id = (($a->argc > 1) ? Strings::escapeTags(trim($a->argv[1])) : 0);
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if (!Item::performActivity($item_id, 'follow')) {
Logger::info('Following item failed', ['item' => $item_id]);
throw new HTTPException\BadRequestException();
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}
Logger::info('Followed item', ['item' => $item_id]);
return;
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}