forked from GNUsocial/gnu-social
128 lines
4.9 KiB
PHP
128 lines
4.9 KiB
PHP
<?php
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace App\Controller;
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use App\Core\Controller;
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use App\Core\DB\DB;
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use App\Core\Event;
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use App\Core\GSFile;
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use App\Core\Router\Router;
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use App\Entity\AttachmentThumbnail;
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use App\Util\Common;
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use App\Util\Exception\ClientException;
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use App\Util\Exception\NotFoundException;
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use App\Util\Exception\ServerException;
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use Symfony\Component\HttpFoundation\HeaderUtils;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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class Attachment extends Controller
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{
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private function attachment(int $id, callable $handle)
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{
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if (Event::handle('AttachmentFileInfo', [$id, &$res]) != Event::stop) {
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// If no one else claims this attachment, use the default representation
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$res = GSFile::getAttachmentFileInfo($id);
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}
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if (!empty($res)) {
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return $handle($res);
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} else {
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throw new ClientException('No such attachment', 404);
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}
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}
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/**
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* The page where the attachment and it's info is shown
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*/
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public function attachment_show(Request $request, int $id)
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{
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try {
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$attachment = DB::findOneBy('attachment', ['id' => $id]);
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return $this->attachment($id, function ($res) use ($id, $attachment) {
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return [
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'_template' => 'attachments/show.html.twig',
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'title' => $res['title'],
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'download' => Router::url('attachment_download', ['id' => $id]),
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'attachment' => $attachment,
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'related_notes' => DB::dql('select n from attachment_to_note an ' .
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'join note n with n.id = an.note_id ' .
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'where an.attachment_id = :attachment_id', ['attachment_id' => $id]),
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'related_tags' => DB::dql('select distinct t.tag ' .
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'from attachment_to_note an join note_tag t with an.note_id = t.note_id ' .
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'where an.attachment_id = :attachment_id', ['attachment_id' => $id]),
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];
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});
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} catch (NotFoundException) {
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throw new ClientException('No such attachment', 404);
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}
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}
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/**
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* Display the attachment inline
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*/
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public function attachment_view(Request $request, int $id)
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{
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return $this->attachment($id, fn (array $res) => GSFile::sendFile($res['filepath'], $res['mimetype'], $res['title'], HeaderUtils::DISPOSITION_INLINE));
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}
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public function attachment_download(Request $request, int $id)
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{
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return $this->attachment($id, fn (array $res) => GSFile::sendFile($res['filepath'], $res['mimetype'], $res['title'], HeaderUtils::DISPOSITION_ATTACHMENT));
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}
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/**
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* Controller to produce a thumbnail for a given attachment id
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*
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* @param Request $request
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* @param int $id Attachment ID
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*
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* @throws NotFoundException
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* @throws ServerException
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*
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* @return Response
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*/
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public function attachment_thumbnail(Request $request, int $id): Response
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{
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$attachment = DB::findOneBy('attachment', ['id' => $id]);
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if (!is_null($attachment->getScope())) {
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// && ($attachment->scope | VisibilityScope::PUBLIC) != 0
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// $user = Common::ensureLoggedIn();
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assert(false, 'Attachment scope not implemented');
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}
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// TODO rate limit, limit to known sizes
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$max_width = Common::config('thumbnail', 'width');
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$max_height = Common::config('thumbnail', 'height');
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$width = Common::clamp($this->int('w') ?: $max_width, min: 0, max: $max_width);
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$height = Common::clamp($this->int('h') ?: $max_height, min: 0, max: $max_height);
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$crop = $this->bool('c') ?: false;
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$thumbnail = AttachmentThumbnail::getOrCreate(attachment: $attachment, width: $width, height: $height, crop: $crop);
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$filename = $thumbnail->getFilename();
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$path = $thumbnail->getPath();
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return GSFile::sendFile(filepath: $path, mimetype: $attachment->getMimetype(), output_filename: $filename, disposition: 'inline');
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}
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}
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