protected function FileUploadResource::streamUploadData in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/file/src/Plugin/rest/resource/FileUploadResource.php \Drupal\file\Plugin\rest\resource\FileUploadResource::streamUploadData()
2. 10 core/modules/file/src/Plugin/rest/resource/FileUploadResource.php \Drupal\file\Plugin\rest\resource\FileUploadResource::streamUploadData()

Streams file upload data to temporary file and moves to file destination.

Return value

string The temp file path.

Throws

\Symfony\Component\HttpKernel\Exception\HttpException Thrown when input data cannot be read, the temporary file cannot be opened, or the temporary file cannot be written.

1 call to FileUploadResource::streamUploadData()

FileUploadResource::post in core/modules/file/src/Plugin/rest/resource/FileUploadResource.php

Creates a file from an endpoint.

File

core/modules/file/src/Plugin/rest/resource/FileUploadResource.php, line 297

Class

FileUploadResource

File upload resource.

Namespace

Drupal\file\Plugin\rest\resource

Code

protected function streamUploadData() {

  // 'rb' is needed so reading works correctly on Windows environments too.
  $file_data = fopen('php://input', 'rb');
  $temp_file_path = $this->fileSystem
    ->tempnam('temporary://', 'file');
  $temp_file = fopen($temp_file_path, 'wb');
  if ($temp_file) {
    while (!feof($file_data)) {
      $read = fread($file_data, static::BYTES_TO_READ);
      if ($read === FALSE) {

        // Close the file streams.
        fclose($temp_file);
        fclose($file_data);
        $this->logger
          ->error('Input data could not be read');
        throw new HttpException(500, 'Input file data could not be read');
      }
      if (fwrite($temp_file, $read) === FALSE) {

        // Close the file streams.
        fclose($temp_file);
        fclose($file_data);
        $this->logger
          ->error('Temporary file data for "%path" could not be written', [
          '%path' => $temp_file_path,
        ]);
        throw new HttpException(500, 'Temporary file data could not be written');
      }
    }

    // Close the temp file stream.
    fclose($temp_file);
  }
  else {

    // Close the input file stream since we can't proceed with the upload.
    // Don't try to close $temp_file since it's FALSE at this point.
    fclose($file_data);
    $this->logger
      ->error('Temporary file "%path" could not be opened for file upload', [
      '%path' => $temp_file_path,
    ]);
    throw new HttpException(500, 'Temporary file could not be opened');
  }

  // Close the input stream.
  fclose($file_data);
  return $temp_file_path;
}