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<?php |
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/** |
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* webtrees: online genealogy |
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* Copyright (C) 2020 webtrees development team |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU 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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* This program 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 General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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declare(strict_types=1); |
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namespace Fisharebest\Webtrees\Http\RequestHandlers; |
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use Fig\Http\Message\StatusCodeInterface; |
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use Fisharebest\Webtrees\Contracts\UserInterface; |
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use Fisharebest\Webtrees\Factory; |
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use Fisharebest\Webtrees\Tree; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use function assert; |
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use function redirect; |
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/** |
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* Create a thumbnail of a media file. |
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*/ |
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class MediaFileThumbnail implements RequestHandlerInterface |
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{ |
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/** |
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* Show an image/thumbnail, with/without a watermark. |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return ResponseInterface |
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*/ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$tree = $request->getAttribute('tree'); |
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assert($tree instanceof Tree); |
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$user = $request->getAttribute('user'); |
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assert($user instanceof UserInterface); |
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$params = $request->getQueryParams(); |
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$xref = $params['xref']; |
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$fact_id = $params['fact_id']; |
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$media = Factory::media()->make($xref, $tree); |
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if ($media === null) { |
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return Factory::image()->replacementImageResponse((string) StatusCodeInterface::STATUS_NOT_FOUND); |
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} |
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if (!$media->canShow()) { |
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return Factory::image()->replacementImageResponse((string) StatusCodeInterface::STATUS_FORBIDDEN); |
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} |
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foreach ($media->mediaFiles() as $media_file) { |
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if ($media_file->factId() === $fact_id) { |
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if ($media_file->isExternal()) { |
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return redirect($media_file->filename()); |
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} |
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// Validate HTTP signature |
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unset($params['route']); |
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$params['tree'] = $media_file->media()->tree()->name(); |
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if ($media_file->signature($params) !== $params['s']) { |
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return Factory::image()->replacementImageResponse((string) StatusCodeInterface::STATUS_FORBIDDEN) |
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->withHeader('X-Signature-Exception', 'Signature mismatch'); |
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} |
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$image_factory = Factory::image(); |
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return $image_factory->mediaFileThumbnailResponse( |
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$media_file, |
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(int) $params['w'], |
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(int) $params['h'], |
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$params['fit'], |
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$image_factory->fileNeedsWatermark($media_file, $user) |
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); |
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} |
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} |
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return Factory::image()->replacementImageResponse((string) StatusCodeInterface::STATUS_NOT_FOUND); |
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} |
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} |
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fisharebest /
webtrees
