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<?php |
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declare(strict_types=1); |
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namespace Ecodev\Felix\Handler; |
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use Doctrine\Persistence\ObjectRepository; |
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use Ecodev\Felix\Model\Image; |
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use Ecodev\Felix\Service\ImageResizer; |
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use Laminas\Diactoros\Response; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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final class ImageHandler extends AbstractHandler |
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{ |
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public function __construct( |
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private readonly ObjectRepository $imageRepository, |
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private readonly ImageResizer $imageResizer, |
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) {} |
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/** |
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* Serve an image from disk, with optional dynamic resizing. |
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*/ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$id = (int) $request->getAttribute('id'); |
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/** @var null|Image $image */ |
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$image = $this->imageRepository->find($id); |
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if (!$image) { |
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return $this->createError("Image $id not found in database"); |
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} |
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$path = $image->getPath(); |
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if (!is_readable($path)) { |
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return $this->createError("Image for image $id not found on disk, or not readable"); |
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} |
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$isWebp = $image->getMime() === 'image/webp'; |
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$accept = $request->getHeaderLine('accept'); |
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$acceptWebp = str_contains($accept, 'image/webp'); |
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$maxHeight = (int) $request->getAttribute('maxHeight'); |
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if ($maxHeight) { |
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$path = $this->imageResizer->resize($image, $maxHeight, $acceptWebp); |
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} elseif ($isWebp && !$acceptWebp) { |
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$path = $this->imageResizer->webpToJpg($image); |
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} |
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$resource = fopen($path, 'rb'); |
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if ($resource === false) { |
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return $this->createError("Cannot open file for image $id on disk"); |
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} |
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$size = filesize($path); |
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$type = mime_content_type($path); |
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// Be sure that browser show SVG instead of downloading |
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if ($type === 'image/svg') { |
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$type = 'image/svg+xml'; |
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} |
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$response = new Response($resource, 200, [ |
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'content-type' => $type, |
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'content-length' => $size, |
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'cache-control' => 'max-age=' . (6 * 60 * 60), // 6 hours cache |
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]); |
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return $response; |
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} |
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} |
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Ecodev /
felix
