gnu-social/plugins/Reply/Controller/Reply.php

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<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Plugin\Reply\Controller;
use App\Core\Controller;
use App\Core\DB\DB;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Core\Router\Router;
use App\Entity\Note;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\InvalidFormException;
use App\Util\Exception\NoSuchNoteException;
use App\Util\Exception\RedirectException;
use Component\Posting\Posting;
use Symfony\Component\Form\Extension\Core\Type\FileType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\HttpFoundation\Request;
class Reply extends Controller
{
/**
* Controller for the note reply non-JS page
*/
public function handle(Request $request, string $reply_to)
{
$user = Common::ensureLoggedIn();
$actor_id = $user->getId();
$note = DB::find('note', ['id' => (int) $reply_to]);
if ($note === null || !$note->isVisibleTo($user)) {
throw new NoSuchNoteException();
}
$form = Form::create([
['content', TextareaType::class, [
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'label' => _m('Reply'),
'label_attr' => ['class' => 'section-form-label'],
'help' => _m('Please input your reply.'),
],
],
['attachments', FileType::class, ['label' => ' ', 'multiple' => true, 'required' => false]],
['replyform', SubmitType::class, ['label' => _m('Submit')]],
]);
$form->handleRequest($request);
if ($form->isSubmitted()) {
$data = $form->getData();
if ($form->isValid()) {
Posting::storeLocalNote(
actor: $user->getActor(),
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content: $data['content'],
content_type: 'text/plain', // TODO
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attachments: $data['attachments'],
reply_to: $reply_to,
repeat_of: null,
);
$return = $this->string('return_to');
if (!\is_null($return)) {
// Prevent open redirect
if (Router::isAbsolute($return)) {
Log::warning("Actor {$actor_id} attempted to reply to a note and then get redirected to another host, or the URL was invalid ({$return})");
throw new ClientException(_m('Can not redirect to outside the website from here'), 400); // 400 Bad request (deceptive)
} else {
throw new RedirectException(url: $return);
}
} else {
throw new RedirectException('root'); // If we don't have a URL to return to, go to the instance root
}
} else {
throw new InvalidFormException();
}
}
return [
'_template' => 'note/reply.html.twig',
'note' => $note,
'reply' => $form->createView(),
];
}
}