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<?php |
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/** |
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* Handles REQUEST file specific actions |
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*/ |
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namespace Graviton\FileBundle\Manager; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\File\File; |
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use Symfony\Component\Filesystem\Filesystem; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class RequestManager |
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{ |
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/** |
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* @var RequestStack |
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*/ |
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private $requestStack; |
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/** |
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* RequestManager constructor. |
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* |
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* @param RequestStack $requestStack To get the original request |
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*/ |
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public function __construct(RequestStack $requestStack) |
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{ |
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$this->requestStack = $requestStack; |
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} |
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/** |
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* Simple RAW http request parser. |
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* Ideal for PUT requests where PUT is streamed but you still need the data. |
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* |
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* @param Request $request Sf data request |
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* @return Request |
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*/ |
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public function updateFileRequest(Request $request) |
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{ |
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$original = $this->requestStack->getMasterRequest(); |
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$input = $original ? $original->getContent() : false; |
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if (!$input) { |
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return $request; |
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} |
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$input = urldecode($input); |
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$server = $request->server; |
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$contentType = $server->get('CONTENT_TYPE', $server->get('HTTP_CONTENT_TYPE')); |
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$data = []; |
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// grab multipart boundary from content type header |
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preg_match('/boundary=(.*)$/', $contentType, $matches); |
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// content type is probably regular form-encoded |
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if (!count($matches)) { |
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$json = json_decode($input, true); |
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// Check if content is binary, convert to file upload |
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if (!$json && $request->files->count() == 0) { |
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$file = $this->extractFileFromString($input, $contentType); |
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if ($file) { |
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$request->files->add([$file]); |
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} |
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} elseif ($json) { |
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$request->request->set('metadata', json_encode($json)); |
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} |
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return $request; |
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} |
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$contentBlocks = preg_split("/-+$matches[1]/", $input); |
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// determine content blocks usage |
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foreach ($contentBlocks as $contentBlock) { |
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if (empty($contentBlock)) { |
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continue; |
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} |
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preg_match('/name=\"(.*?)\"[^"]/i', $contentBlock, $matches); |
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$name = isset($matches[1]) ? $matches[1] : ''; |
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if ('upload' !== $name) { |
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preg_match('/name=\"([^\"]*)\"[\n|\r]+([^\n\r].*)?\r$/s', $contentBlock, $matches); |
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$contentBlock = array_key_exists(2, $matches) ? $matches[2]: $contentBlock; |
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} |
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$data[$name] = $contentBlock; |
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} |
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if (array_key_exists('metadata', $data)) { |
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$request->request->set('metadata', $data['metadata']); |
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} |
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if (array_key_exists('upload', $data)) { |
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$file = $this->extractFileFromString($data['upload']); |
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$request->files->add([$file]); |
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} |
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return $request; |
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} |
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/** |
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* Extracts file data from request content |
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* |
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* @param string $fileInfoString Information about uploaded files. |
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* @param string $contentType Optional type of string |
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* |
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* @return false|UploadedFile |
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*/ |
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private function extractFileFromString($fileInfoString, $contentType = '') |
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{ |
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$str = (string) $fileInfoString; |
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$tmpName = $fileName = microtime() . '_' . md5($str); |
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if ((preg_match('~[^\x20-\x7E\t\r\n]~', $str) > 0) || $contentType) { |
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$fileContent = $str; |
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} else { |
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// Original Name |
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preg_match('/filename=\"(.*?)\"/i', $str, $matches); |
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if (array_key_exists(1, $matches)) { |
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$fileName = preg_replace('/\s+/', '-', $matches[1]); |
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} |
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$fileInfo = explode("\r\n\r\n", ltrim($str), 2); |
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if (!array_key_exists(1, $fileInfo)) { |
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return false; |
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} |
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$fileContent = substr($fileInfo[1], 0, -2); |
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} |
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$dir = ini_get('upload_tmp_dir'); |
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$dir = (empty($dir)) ? sys_get_temp_dir() : $dir; |
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$tmpFile = $dir . DIRECTORY_SEPARATOR . $tmpName; |
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// create temporary file; |
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$filesystem = new Filesystem(); |
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$filesystem->dumpFile($tmpFile, $fileContent); |
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$file = new File($tmpFile); |
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return new UploadedFile( |
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$file->getRealPath(), |
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$fileName, |
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$file->getMimeType(), |
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$file->getSize() |
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); |
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} |
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} |
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libgraviton /
graviton
