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- <?php
- // {{{ 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 Component\Posting;
- use App\Core\Cache;
- use App\Core\DB\DB;
- use App\Core\Event;
- use App\Core\Form;
- use App\Core\GSFile;
- use function App\Core\I18n\_m;
- use App\Core\Modules\Component;
- use App\Entity\Attachment;
- use App\Entity\AttachmentToNote;
- use App\Entity\GSActorToAttachment;
- use App\Entity\Note;
- use App\Util\Common;
- use App\Util\Exception\ClientException;
- use App\Util\Exception\DuplicateFoundException;
- use App\Util\Exception\InvalidFormException;
- use App\Util\Exception\RedirectException;
- use App\Util\Exception\ServerException;
- use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
- use Symfony\Component\Form\Extension\Core\Type\FileType;
- use Symfony\Component\Form\Extension\Core\Type\SubmitType;
- use Symfony\Component\Form\Extension\Core\Type\TextareaType;
- class Posting extends Component
- {
- /**
- * HTML render event handler responsible for adding and handling
- * the result of adding the note submission form, only if a user is logged in
- *
- * @throws ClientException
- * @throws RedirectException
- * @throws ServerException
- */
- public function onStartTwigPopulateVars(array &$vars): bool
- {
- if (($user = Common::user()) == null) {
- return Event::next;
- }
- $actor_id = $user->getId();
- $to_tags = [];
- $tags = Cache::get("actor-circle-{$actor_id}", function () use ($actor_id) {
- return DB::dql('select c.tag from App\Entity\GSActorCircle c where c.tagger = :tagger', ['tagger' => $actor_id]);
- });
- foreach ($tags as $t) {
- $t = $t['tag'];
- $to_tags[$t] = $t;
- }
- $placeholder_strings = ['How are you feeling?', 'Have something to share?', 'How was your day?'];
- Event::handle('PostingPlaceHolderString', [&$placeholder_strings]);
- $placeholder = $placeholder_strings[array_rand($placeholder_strings)];
- $request = $vars['request'];
- $form = Form::create([
- ['content', TextareaType::class, ['label' => ' ', 'data' => '', 'attr' => ['placeholder' => _m($placeholder)]]],
- ['attachments', FileType::class, ['label' => ' ', 'data' => null, 'multiple' => true, 'required' => false]],
- ['visibility', ChoiceType::class, ['label' => _m('Visibility:'), 'multiple' => false, 'expanded' => false, 'data' => 'public', 'choices' => [_m('Public') => 'public', _m('Instance') => 'instance', _m('Private') => 'private']]],
- ['to', ChoiceType::class, ['label' => _m('To:'), 'multiple' => false, 'expanded' => false, 'choices' => $to_tags]],
- ['post_note', SubmitType::class, ['label' => _m('Post')]],
- ]);
- $form->handleRequest($request);
- if ($form->isSubmitted()) {
- $data = $form->getData();
- if ($form->isValid()) {
- self::storeNote($actor_id, $data['content'], $data['attachments'], is_local: true);
- throw new RedirectException();
- } else {
- throw new InvalidFormException();
- }
- }
- $vars['post_form'] = $form->createView();
- return Event::next;
- }
- /**
- * Store the given note with $content and $attachments, created by
- * $actor_id, possibly as a reply to note $reply_to and with flag
- * $is_local. Sanitizes $content and $attachments
- *
- * @throws DuplicateFoundException
- * @throws ClientException|ServerException
- */
- public static function storeNote(int $actor_id, ?string $content, array $attachments, bool $is_local, ?int $reply_to = null, ?int $repeat_of = null)
- {
- $note = Note::create([
- 'gsactor_id' => $actor_id,
- 'content' => $content,
- 'is_local' => $is_local,
- 'reply_to' => $reply_to,
- 'repeat_of' => $repeat_of,
- ]);
- $processed_attachments = [];
- foreach ($attachments as $f) { // where $f is a Symfony\Component\HttpFoundation\File\UploadedFile
- $filesize = $f->getSize();
- $max_file_size = Common::config('attachments', 'file_quota');
- if ($max_file_size < $filesize) {
- throw new ClientException(_m('No file may be larger than {quota} bytes and the file you sent was {size} bytes. ' .
- 'Try to upload a smaller version.', ['quota' => $max_file_size, 'size' => $filesize]));
- }
- Event::handle('EnforceUserFileQuota', [$filesize, $actor_id]);
- $processed_attachments[] = [GSFile::sanitizeAndStoreFileAsAttachment($f), $f->getClientOriginalName()];
- }
- DB::persist($note);
- // Need file and note ids for the next step
- DB::flush();
- if ($processed_attachments != []) {
- foreach ($processed_attachments as [$a, $fname]) {
- if (empty(DB::findBy('gsactor_to_attachment', ['attachment_id' => $a->getId(), 'gsactor_id' => $actor_id]))) {
- DB::persist(GSActorToAttachment::create(['attachment_id' => $a->getId(), 'gsactor_id' => $actor_id]));
- }
- DB::persist(AttachmentToNote::create(['attachment_id' => $a->getId(), 'note_id' => $note->getId(), 'title' => $fname]));
- }
- DB::flush();
- }
- Event::handle('ProcessNoteContent', [$note->getId(), $content]);
- }
- /**
- * Get a unique representation of a file on disk
- *
- * This can be used in the future to deduplicate images by visual content
- *
- * @param string $filename
- * @param null|string $out_hash
- *
- * @return bool
- */
- public function onHashFile(string $filename, ?string &$out_hash): bool
- {
- $out_hash = hash_file(Attachment::FILEHASH_ALGO, $filename);
- return Event::stop;
- }
- /**
- * Fill the list with allowed sizes for an attachment, to prevent potential DoS'ing by requesting thousands of different thumbnail sizes
- *
- * @param null|array $sizes
- *
- * @return bool
- */
- public function onGetAllowedThumbnailSizes(?array &$sizes): bool
- {
- $sizes[] = ['width' => Common::config('thumbnail', 'width'), 'height' => Common::config('thumbnail', 'height')];
- return Event::next;
- }
- }
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