Viewing file:  PsrResponseFactory.php (2 KB) -rw-r--r--
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<?php
namespace League\Glide\Responses;
use Closure;
use League\Flysystem\FilesystemInterface;
use League\Glide\Filesystem\FilesystemException;
use Psr\Http\Message\ResponseInterface;
class PsrResponseFactory implements ResponseFactoryInterface
{
/**
* Base response object.
*
* @var ResponseInterface
*/
protected $response;
/**
* Callback to create stream.
*
* @var Closure
*/
protected $streamCallback;
/**
* Create PsrResponseFactory instance.
*
* @param ResponseInterface $response Base response object.
* @param Closure $streamCallback Callback to create stream.
*/
public function __construct(ResponseInterface $response, Closure $streamCallback)
{
$this->response = $response;
$this->streamCallback = $streamCallback;
}
/**
* Create response.
*
* @param FilesystemInterface $cache Cache file system.
* @param string $path Cached file path.
*
* @return ResponseInterface Response object.
*/
public function create(FilesystemInterface $cache, $path)
{
$stream = $this->streamCallback->__invoke(
$cache->readStream($path)
);
$contentType = $cache->getMimetype($path);
$contentLength = (string) $cache->getSize($path);
$cacheControl = 'max-age=31536000, public';
$expires = date_create('+1 years')->format('D, d M Y H:i:s').' GMT';
if (false === $contentType) {
throw new FilesystemException('Unable to determine the image content type.');
}
if (false === $contentLength) {
throw new FilesystemException('Unable to determine the image content length.');
}
return $this->response->withBody($stream)
->withHeader('Content-Type', $contentType)
->withHeader('Content-Length', $contentLength)
->withHeader('Cache-Control', $cacheControl)
->withHeader('Expires', $expires);
}
}
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