class SophronMimeTypeGuesser in Sophron 8

Makes possible to guess the MIME type of a file using its extension.

Hierarchy

• class \Drupal\sophron_guesser\SophronMimeTypeGuesser implements \Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesserInterface

File

sophron_guesser/src/SophronMimeTypeGuesser.php, line 12

Namespace

Drupal\sophron_guesser

class SophronMimeTypeGuesser implements MimeTypeGuesserInterface {

  /**
   * The MIME map manager service.
   *
   * @var \Drupal\sophron\MimeMapManagerInterface
   */
  protected $mimeMapManager;

  /**
   * The file system service.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  protected $fileSystem;

  /**
   * Constructs a SophronMimeTypeGuesser object.
   *
   * @param \Drupal\sophron\MimeMapManagerInterface $mime_map_manager
   *   The MIME map manager service.
   * @param \Drupal\Core\File\FileSystemInterface $file_system
   *   The file system service.
   */
  public function __construct(MimeMapManagerInterface $mime_map_manager, FileSystemInterface $file_system) {
    $this->mimeMapManager = $mime_map_manager;
    $this->fileSystem = $file_system;
  }

  /**
   * {@inheritdoc}
   */
  public function guessMimeType(string $path) : ?string {
    $extension = '';
    $file_parts = explode('.', $this->fileSystem
      ->basename($path));

    // Remove the first part: a full filename should not match an extension.
    array_shift($file_parts);

    // Iterate over the file parts, trying to find a match.
    // For 'my.awesome.image.jpeg', we try: 'jpeg', then 'image.jpeg', then
    // 'awesome.image.jpeg'.
    while ($additional_part = array_pop($file_parts)) {
      $extension = strtolower($additional_part . ($extension ? '.' . $extension : ''));
      if ($mime_map_extension = $this->mimeMapManager
        ->getExtension($extension)) {
        return $mime_map_extension
          ->getDefaultType(FALSE);
      }
    }
    return 'application/octet-stream';
  }

  /**
   * {@inheritdoc}
   */
  public function guess($path) {
    @trigger_error(__METHOD__ . '() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use ::guessMimeType() instead. See https://www.drupal.org/node/3133341', E_USER_DEPRECATED);
    return $this
      ->guessMimeType($path);
  }

  /**
   * {@inheritdoc}
   */
  public function isGuesserSupported() : bool {
    return TRUE;
  }

  /**
   * Sets the mimetypes/extension mapping to use when guessing mimetype.
   *
   * This method is implemented to ensure that when this class is set to
   * override \Drupal\Core\File\MimeType\ExtensionMimeTypeGuesser in the service
   * definition, any call to this method does not fatal. Actually, for Sophron
   * this is a no-op.
   *
   * @param array|null $mapping
   *   Not relevant.
   */
  public function setMapping(array $mapping = NULL) {

    // Do nothing.
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SophronMimeTypeGuesser::$fileSystem	protected	property	The file system service.
SophronMimeTypeGuesser::$mimeMapManager	protected	property	The MIME map manager service.
SophronMimeTypeGuesser::guess	public	function	Guesses the mime type of the file with the given path.
SophronMimeTypeGuesser::guessMimeType	public	function
SophronMimeTypeGuesser::isGuesserSupported	public	function
SophronMimeTypeGuesser::setMapping	public	function	Sets the mimetypes/extension mapping to use when guessing mimetype.
SophronMimeTypeGuesser::__construct	public	function	Constructs a SophronMimeTypeGuesser object.