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<?php |
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namespace Staticus\Middlewares; |
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use League\Flysystem\FilesystemInterface; |
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use Staticus\Diactoros\DownloadedFile; |
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use Staticus\Diactoros\Response\FileUploadedResponse; |
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use Staticus\Exceptions\ErrorException; |
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use Staticus\Resources\Middlewares\PrepareResourceMiddlewareAbstract; |
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use Staticus\Resources\ResourceDOInterface; |
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use Staticus\Diactoros\Response\FileContentResponse; |
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use Zend\Diactoros\Response\EmptyResponse; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Staticus\Resources\File\ResourceDO; |
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use Zend\Diactoros\UploadedFile; |
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abstract class ActionPostAbstract extends MiddlewareAbstract |
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{ |
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const RECREATE_COMMAND = 'recreate'; |
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const URI_COMMAND = 'uri'; |
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const CURL_TIMEOUT = 15; |
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/** |
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* Generator provider |
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* @var mixed |
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*/ |
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protected $generator; |
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/** |
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* @var ResourceDOInterface|ResourceDO |
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*/ |
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protected $resourceDO; |
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/** |
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* @var FilesystemInterface |
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*/ |
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protected $filesystem; |
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public function __construct( |
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ResourceDOInterface $resourceDO, FilesystemInterface $filesystem, $fractal) |
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{ |
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$this->resourceDO = $resourceDO; |
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$this->filesystem = $filesystem; |
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$this->generator = $fractal; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callable|null $next |
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* @return EmptyResponse |
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* @throws \Exception |
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*/ |
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View Code Duplication |
public function __invoke( |
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ServerRequestInterface $request, |
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ResponseInterface $response, |
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callable $next = null |
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) |
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{ |
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parent::__invoke($request, $response, $next); |
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$this->response = $this->action(); |
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return $this->next(); |
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} |
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abstract protected function generate(ResourceDOInterface $resourceDO); |
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protected function action() |
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{ |
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$headers = [ |
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'Content-Type' => $this->resourceDO->getMimeType(), |
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]; |
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$filePath = $this->resourceDO->getFilePath(); |
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$fileExists = is_file($filePath); |
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$recreate = PrepareResourceMiddlewareAbstract::getParamFromRequest(static::RECREATE_COMMAND, $this->request); |
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$uri = PrepareResourceMiddlewareAbstract::getParamFromRequest(static::URI_COMMAND, $this->request); |
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$recreate = $fileExists && $recreate; |
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$this->resourceDO->setNew(!$fileExists); |
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if (!$fileExists || $recreate) { |
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$this->resourceDO->setRecreate($recreate); |
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$upload = $this->upload(); |
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// Upload must be with high priority |
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if ($upload) { |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return new FileUploadedResponse($upload, 201, $headers); |
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} elseif ($uri) { |
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$upload = $this->download($this->resourceDO, $uri); |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return new FileUploadedResponse($upload, 201, $headers); |
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} else { |
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$body = $this->generate($this->resourceDO); |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return new FileContentResponse($body, 201, $headers); |
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} |
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} |
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/** @see \Zend\Diactoros\Response::$phrases */ |
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return new EmptyResponse(304, $headers); |
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} |
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/** |
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* @return UploadedFile|null |
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*/ |
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protected function upload() |
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{ |
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$uploaded = $this->request->getUploadedFiles(); |
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$uploaded = current($uploaded); |
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if ($uploaded instanceof UploadedFile) { |
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return $uploaded; |
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} |
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return null; |
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} |
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/** |
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* @param ResourceDOInterface $resourceDO |
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* @param string $uri |
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* @return DownloadedFile |
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* @throws ErrorException |
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* @throws \Exception |
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*/ |
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protected function download(ResourceDOInterface $resourceDO, $uri) |
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{ |
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// ------------ |
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// @todo refactoring: move downloading code from here to separate service! |
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// ------------ |
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set_time_limit(self::CURL_TIMEOUT); |
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$dir = DATA_DIR . 'download' . DIRECTORY_SEPARATOR; |
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$file = $this->resourceDO->getUuid() . '_' . time() . '_' . mt_rand(100, 200) . '.tmp'; |
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if(!@mkdir($dir) && !is_dir($dir)) { |
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throw new ErrorException('Can\'t create the directory: ' . $dir); |
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} |
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if (is_file($file)) { |
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if(!unlink($file)) { |
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throw new ErrorException('Can\'t remove old file: ' . $dir . $file); |
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} |
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} |
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$resource = fopen($dir . $file, 'w+'); |
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if (!$resource) { |
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throw new ErrorException('Can\'t create the file for writting: ' . $dir . $file); |
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} |
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$uriEnc = str_replace(' ', '%20', $uri); |
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$headers = [ |
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"Accept: " . $resourceDO->getMimeType(), |
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"Cache-Control: no-cache", |
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"Pragma: no-cache", |
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]; |
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$curlHandle = curl_init($uriEnc); |
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curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, 1); |
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curl_setopt($curlHandle, CURLOPT_TIMEOUT, static::CURL_TIMEOUT); |
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// Save curl result to the file |
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curl_setopt($curlHandle, CURLOPT_FILE, $resource); |
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curl_setopt($curlHandle, CURLOPT_HTTPHEADER, $headers); |
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curl_setopt($curlHandle, CURLOPT_FOLLOWLOCATION, true); |
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// get curl response |
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curl_exec($curlHandle); |
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if (curl_errno($curlHandle)) { |
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curl_close($curlHandle); |
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fclose($resource); |
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throw new ErrorException('Curl error for uri: ' . $uri . '; ' . curl_error($curlHandle)); |
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} |
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$size = (int)curl_getinfo($curlHandle, CURLINFO_CONTENT_LENGTH_DOWNLOAD); |
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curl_close($curlHandle); |
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fclose($resource); |
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// ------------ |
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$downloaded = new DownloadedFile( |
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$dir . $file |
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, $size |
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, UPLOAD_ERR_OK |
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, $resourceDO->getName() . '.' . $resourceDO->getType() |
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, $resourceDO->getMimeType() |
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); |
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return $downloaded; |
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} |
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} |
KIVagant /
staticus-core
