Passed
Push — master ( b00cb0...46b036 )
by Greg
05:27
created

MediaFileThumbnail::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
c 1
b 0
f 0
nc 1
nop 1
dl 0
loc 3
rs 10
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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\Factory;
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use Fisharebest\Webtrees\Services\MediaFileService;
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use Fisharebest\Webtrees\Site;
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use Fisharebest\Webtrees\Tree;
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use League\Flysystem\FilesystemInterface;
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use League\Glide\Signatures\SignatureException;
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use League\Glide\Signatures\SignatureFactory;
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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 pathinfo;
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use function redirect;
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use function strtolower;
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use const PATHINFO_EXTENSION;
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/**
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 * Controller for the media page and displaying images.
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 */
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class MediaFileThumbnail implements RequestHandlerInterface
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{
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    /** @var MediaFileService */
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    private $media_file_service;
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    /**
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     * MediaFileController constructor.
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     *
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     * @param MediaFileService $media_file_service
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     */
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    public function __construct(MediaFileService $media_file_service)
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    {
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        $this->media_file_service = $media_file_service;
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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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        $data_filesystem = $request->getAttribute('filesystem.data');
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        assert($data_filesystem instanceof FilesystemInterface);
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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 $this->media_file_service->replacementImage((string) StatusCodeInterface::STATUS_NOT_FOUND);
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        }
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        if (!$media->canShow()) {
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            return $this->media_file_service->replacementImage((string) StatusCodeInterface::STATUS_FORBIDDEN);
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        }
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        foreach ($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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                $params['tree'] = $media_file->media()->tree()->name();
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                try {
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                    SignatureFactory::create(Site::getPreference('glide-key'))
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                        ->validateRequest('', $params);
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                } catch (SignatureException $ex) {
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                    return $this->media_file_service->replacementImage((string) StatusCodeInterface::STATUS_FORBIDDEN)
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                        ->withHeader('X-Signature-Exception', $ex->getMessage());
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                }
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                if ($media_file->isImage()) {
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                    $media_folder = $media_file->media()->tree()->getPreference('MEDIA_DIRECTORY', 'media/');
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                    $file         = $media_file->filename();
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                    return $this->media_file_service->generateImage($media_folder, $file, $data_filesystem, $request->getQueryParams());
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                }
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                // Shouldn't usually get here, as we only generate these URLs for images.
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                $extension = '.' . strtolower(pathinfo($media_file->filename(), PATHINFO_EXTENSION));
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                return $this->media_file_service->replacementImage($extension);
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            }
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        }
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        return $this->media_file_service->replacementImage((string) StatusCodeInterface::STATUS_NOT_FOUND);
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    }
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}
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