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<?php |
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namespace Bone\Controller; |
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use InvalidArgumentException; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Laminas\Diactoros\Response; |
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use Laminas\Diactoros\Stream; |
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class DownloadController |
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{ |
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/** @var string $uploadsDirectory */ |
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private $uploadsDirectory; |
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public function __construct(string $uploadsDirectory) |
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{ |
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if (!is_dir($uploadsDirectory)) { |
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throw new InvalidArgumentException('Directory ' . $uploadsDirectory . ' not found'); |
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} |
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$this->uploadsDirectory = $uploadsDirectory; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @return ResponseInterface |
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* @throws ControllerException |
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*/ |
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public function downloadAction(ServerRequestInterface $request): ResponseInterface |
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{ |
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$queryParams = $request->getQueryParams(); |
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$path = $this->getFilePath($queryParams); |
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$mimeType = $this->getMimeType($path); |
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$contents = file_get_contents($path); |
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$stream = new Stream('php://memory', 'r+'); |
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$stream->write($contents); |
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$response = new Response(); |
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$response = $response->withBody($stream); |
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$response = $response->withHeader('Content-Type', $mimeType); |
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return $response; |
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} |
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/** |
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* @param string $path |
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* @return string |
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*/ |
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private function getMimeType(string $path): string |
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{ |
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$finfo = finfo_open(FILEINFO_MIME); // return mime type |
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$mimeType = finfo_file($finfo, $path); |
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finfo_close($finfo); |
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return $mimeType; |
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} |
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/** |
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* @param array $queryParams |
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* @return string |
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* @throws ControllerException |
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*/ |
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private function getFilePath(array $queryParams): string |
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{ |
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if (!isset($queryParams['file'])) { |
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throw new ControllerException('Invalid Request.', 400); |
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} |
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$file = $queryParams['file']; |
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$path = $this->uploadsDirectory . $file; |
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if (file_exists('public' . $file)) { |
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$path = 'public' . $file; |
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} else if (!file_exists($path)) { |
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throw new ControllerException($path . ' not found.', 404); |
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} |
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return $path; |
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} |
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} |
delboy1978uk /
bone-controller
