forked from GNUsocial/gnu-social
		
	Replaces Note content with a tombstone, removes any attachment relations and decrements their lives (possibly even removing the attachment), and creates the respective activity
		
			
				
	
	
		
			113 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?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/>.
 | |
| 
 | |
| // }}}
 | |
| 
 | |
| namespace Plugin\DeleteNote\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\NoLoggedInUser;
 | |
| use App\Util\Exception\NoSuchNoteException;
 | |
| use App\Util\Exception\RedirectException;
 | |
| use App\Util\Exception\ServerException;
 | |
| use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 | |
| use Symfony\Component\HttpFoundation\Request;
 | |
| 
 | |
| class DeleteNote extends Controller
 | |
| {
 | |
|     /**
 | |
|      * Create delete note view
 | |
|      * @throws ClientException
 | |
|      * @throws NoLoggedInUser
 | |
|      * @throws RedirectException
 | |
|      * @throws ServerException
 | |
|      */
 | |
|     public function __invoke(Request $request)
 | |
|     {
 | |
|         $user    = Common::ensureLoggedIn();
 | |
|         $note_id = (int) $request->get('note_id');
 | |
|         $note    = Note::getByPK($note_id);
 | |
|         if (\is_null($note) || !$note->isVisibleTo($user)) {
 | |
|             throw new NoSuchNoteException();
 | |
|         }
 | |
| 
 | |
|         // Only let the original actor delete it
 | |
|         // TODO: should be anyone with permissions to do this? Admins and what not
 | |
|         $actor    = $user->getActor();
 | |
|         $actor_id = $actor->getId();
 | |
|         if ($note->getActor()->getId() !== $actor_id) {
 | |
|             // Log this shenanigans and get the user redirected
 | |
|             Log::warning("Actor {$actor_id} attempted to delete note {$note_id} without any permissions to do so)");
 | |
|             throw new RedirectException('root');
 | |
|         }
 | |
| 
 | |
|         // We made sure that the note can be deleted, lets make the form
 | |
|         $form_delete = Form::create([
 | |
|             ['delete_note', SubmitType::class,
 | |
|                 [
 | |
|                     'label' => _m('Delete it'),
 | |
|                     'attr'  => [
 | |
|                         'title' => _m('Press to delete this note'),
 | |
|                     ],
 | |
|                 ],
 | |
|             ],
 | |
|         ]);
 | |
| 
 | |
|         $form_delete->handleRequest($request);
 | |
|         if ($form_delete->isSubmitted()) {
 | |
|             if (!\is_null(\Plugin\DeleteNote\DeleteNote::deleteNote(note_id: $note_id, actor_id: $actor_id))) {
 | |
|                 DB::flush();
 | |
|             } else {
 | |
|                 throw new ClientException(_m('Note already deleted!'));
 | |
|             }
 | |
| 
 | |
|             // Redirect user to where they came from
 | |
|             // Prevent open redirect
 | |
|             if (!\is_null($from = $this->string('from'))) {
 | |
|                 if (Router::isAbsolute($from)) {
 | |
|                     Log::warning("Actor {$actor_id} attempted to delete to a note and then get redirected to another host, or the URL was invalid ({$from})");
 | |
|                     throw new ClientException(_m('Can not redirect to outside the website from here'), 400); // 400 Bad request (deceptive)
 | |
|                 } else {
 | |
|                     // TODO anchor on element id
 | |
|                     throw new RedirectException(url: $from);
 | |
|                 }
 | |
|             } else {
 | |
|                 // If we don't have a URL to return to, go to the instance root
 | |
|                 throw new RedirectException('root');
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return [
 | |
|             '_template' => 'delete_note/delete_note.html.twig',
 | |
|             'note'      => $note,
 | |
|             'delete'    => $form_delete->createView(),
 | |
|         ];
 | |
|     }
 | |
| }
 |