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<?php |
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namespace League\Glide\Responses; |
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use Closure; |
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use League\Flysystem\FilesystemException as V2FilesystemException; |
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use League\Flysystem\FilesystemInterface; |
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use League\Flysystem\FilesystemOperator; |
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use League\Glide\Filesystem\FilesystemException; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\StreamInterface; |
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class PsrResponseFactory implements ResponseFactoryInterface, Flysystem2ResponseFactoryInterface |
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{ |
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/** |
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* Base response object. |
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* @var ResponseInterface |
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*/ |
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protected $response; |
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/** |
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* Callback to create stream. |
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* @var Closure |
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*/ |
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protected $streamCallback; |
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/** |
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* Create PsrResponseFactory instance. |
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* @param ResponseInterface $response Base response object. |
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* @param Closure $streamCallback Callback to create stream. |
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*/ |
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public function __construct(ResponseInterface $response, Closure $streamCallback) |
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{ |
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$this->response = $response; |
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$this->streamCallback = $streamCallback; |
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} |
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/** |
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* Build response object |
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* @param StreamInterface $stream |
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* @param string $contentType |
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* @param string $contentLength |
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* @return ResponseInterface Response object. |
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* @throws FilesystemException |
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*/ |
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private function createResponse($stream, $contentType, $contentLength) |
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{ |
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$cacheControl = 'max-age=31536000, public'; |
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$expires = date_create('+1 years')->format('D, d M Y H:i:s').' GMT'; |
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if ($contentType === false) { |
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throw new FilesystemException('Unable to determine the image content type.'); |
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} |
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if ($contentLength === false) { |
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throw new FilesystemException('Unable to determine the image content length.'); |
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} |
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return $this->response->withBody($stream) |
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->withHeader('Content-Type', $contentType) |
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->withHeader('Content-Length', $contentLength) |
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->withHeader('Cache-Control', $cacheControl) |
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->withHeader('Expires', $expires); |
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} |
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/** |
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* Create response. |
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* @param FilesystemInterface $cache Cache file system. |
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* @param string $path Cached file path. |
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* @return ResponseInterface Response object. |
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* @throws FilesystemException |
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*/ |
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public function create(FilesystemInterface $cache, $path) |
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{ |
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$stream = $this->streamCallback->__invoke( |
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$cache->readStream($path) |
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); |
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$contentType = $cache->getMimetype($path); |
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$contentLength = (string) $cache->getSize($path); |
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return $this->createResponse($stream, $contentType, $contentLength); |
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} |
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/** |
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* Create response. |
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* @param FilesystemOperator $cache Cache file system. |
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* @param string $path Cached file path. |
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* @return ResponseInterface Response object. |
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* @throws FilesystemException |
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*/ |
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public function createFlysystem2(FilesystemOperator $cache, $path) |
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{ |
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try { |
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$stream = $this->streamCallback->__invoke( |
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$cache->readStream($path) |
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); |
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$contentType = $cache->mimeType($path); |
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$contentLength = (string) $cache->fileSize($path); |
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return $this->createResponse($stream, $contentType, $contentLength); |
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} catch (V2FilesystemException $exception) { |
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throw new FilesystemException($exception->getMessage()); |
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} |
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} |
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} |
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thephpleague /
glide
