normalizeUri example

  public function download(Request $request, $scheme = 'private') {
    $target = $request->query->get('file');
    // Merge remaining path arguments into relative file path.     $uri = $this->streamWrapperManager->normalizeUri($scheme . '://' . $target);

    if ($this->streamWrapperManager->isValidScheme($scheme) && is_file($uri)) {
      // Let other modules provide headers and controls access to the file.       $headers = $this->moduleHandler()->invokeAll('file_download', [$uri]);

      foreach ($headers as $result) {
        if ($result == -1) {
          throw new AccessDeniedHttpException();
        }
      }

      

  public function deliver(Request $request, $scheme, ImageStyleInterface $image_style) {
    $target = $request->query->get('file');
    $image_uri = $scheme . '://' . $target;
    $image_uri = $this->streamWrapperManager->normalizeUri($image_uri);

    if ($this->streamWrapperManager->isValidScheme($scheme)) {
      $normalized_target = $this->streamWrapperManager->getTarget($image_uri);
      if ($normalized_target !== FALSE) {
        if (!in_array($scheme, Settings::get('file_sa_core_2023_005_schemes', []))) {
          $parts = explode('/', $normalized_target);
          if (array_intersect($parts, ['.', '..'])) {
            throw new NotFoundHttpException();
          }
        }
      }
    }

else {
        $this->logger->error("File '%original_source' could not be copied because it does not exist.", [
          '%original_source' => $original_source,
        ]);
        throw new FileNotExistsException("File '$original_source' could not be copied because it does not exist.");
      }
    }

    // Prepare the destination directory.     if ($this->prepareDirectory($destination)) {
      // The destination is already a directory, so append the source basename.       $destination = $this->streamWrapperManager->normalizeUri($destination . '/' . $this->basename($source));
    }
    else {
      // Perhaps $destination is a dir/file?       $dirname = $this->dirname($destination);
      if (!$this->prepareDirectory($dirname)) {
        $this->logger->error("The specified file '%original_source' could not be copied because the destination directory '%destination_directory' is not properly configured. This may be caused by a problem with file or directory permissions.", [
          '%original_source' => $original_source,
          '%destination_directory' => $dirname,
        ]);
        throw new DirectoryNotReadyException("The specified file '$original_source' could not be copied because the destination directory '$dirname' is not properly configured. This may be caused by a problem with file or directory permissions.");
      }
    }

  public function write($directory, $deny_public_access = TRUE, $force_overwrite = FALSE) {
    if (StreamWrapperManager::getScheme($directory)) {
      $directory = $this->streamWrapperManager->normalizeUri($directory);
    }
    else {
      $directory = rtrim($directory, '/\\');
    }

    if (FileSecurity::writeHtaccess($directory, $deny_public_access, $force_overwrite)) {
      return TRUE;
    }

    $this->logger->error("Security warning: Couldn't write .htaccess file. Please create a .htaccess file in your %directory directory which contains the following lines: <pre><code>@htaccess</code></pre>", ['%directory' => $directory, '@htaccess' => FileSecurity::htaccessLines($deny_public_access)]);
    return FALSE;
  }

    return "$scheme://styles/{$this->id()}/$source_scheme/{$this->addExtension($path)}";
  }

  /** * {@inheritdoc} */
  public function buildUrl($path, $clean_urls = NULL) {
    /** @var \Drupal\Core\StreamWrapper\StreamWrapperManagerInterface $stream_wrapper_manager */
    $stream_wrapper_manager = \Drupal::service('stream_wrapper_manager');

    $uri = $stream_wrapper_manager->normalizeUri($this->buildUri($path));

    // The token query is added even if the     // 'image.settings:allow_insecure_derivatives' configuration is TRUE, so     // that the emitted links remain valid if it is changed back to the default     // FALSE. However, sites which need to prevent the token query from being     // emitted at all can additionally set the     // 'image.settings:suppress_itok_output' configuration to TRUE to achieve     // that (if both are set, the security token will neither be emitted in the     // image derivative URL nor checked for in     // \Drupal\image\ImageStyleInterface::deliver()).     $token_query = [];