1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2020 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Http\RequestHandlers; 21 22use Fig\Http\Message\StatusCodeInterface; 23use Fisharebest\Webtrees\Auth; 24use Fisharebest\Webtrees\Exceptions\HttpNotFoundException; 25use Fisharebest\Webtrees\Factory; 26use Fisharebest\Webtrees\Tree; 27use Psr\Http\Message\ResponseInterface; 28use Psr\Http\Message\ServerRequestInterface; 29use Psr\Http\Server\RequestHandlerInterface; 30 31use function addcslashes; 32use function assert; 33use function redirect; 34use function response; 35use function strlen; 36 37/** 38 * Download a media file. 39 */ 40class MediaFileDownload implements RequestHandlerInterface 41{ 42 /** 43 * Download a non-image media file. 44 * 45 * @param ServerRequestInterface $request 46 * 47 * @return ResponseInterface 48 */ 49 public function handle(ServerRequestInterface $request): ResponseInterface 50 { 51 $tree = $request->getAttribute('tree'); 52 assert($tree instanceof Tree); 53 54 $data_filesystem = Factory::filesystem()->data(); 55 56 $disposition = $request->getQueryParams()['disposition'] ?? 'inline'; 57 assert($disposition === 'inline' || $disposition === 'attachment'); 58 59 $params = $request->getQueryParams(); 60 $xref = $params['xref']; 61 $fact_id = $params['fact_id']; 62 $media = Factory::media()->make($xref, $tree); 63 $media = Auth::checkMediaAccess($media); 64 65 foreach ($media->mediaFiles() as $media_file) { 66 if ($media_file->factId() === $fact_id) { 67 if ($media_file->isExternal()) { 68 return redirect($media_file->filename()); 69 } 70 71 if ($media_file->fileExists($data_filesystem)) { 72 $data = $media_file->media()->tree()->mediaFilesystem($data_filesystem)->read($media_file->filename()); 73 74 return response($data, StatusCodeInterface::STATUS_OK, [ 75 'Content-Type' => $media_file->mimeType(), 76 'Content-Length' => (string) strlen($data), 77 'Content-Disposition' => $disposition . '; filename="' . addcslashes($media_file->filename(), '"') . '"', 78 ]); 79 } 80 } 81 } 82 83 throw new HttpNotFoundException(); 84 } 85} 86