public function mw_newMediaObject( $args ) {
		global $wpdb;

		$username = $this->escape( $args[1] );
		$password = $this->escape( $args[2] );
		$data     = $args[3];

		$name = sanitize_file_name( $data['name'] );
		$type = $data['type'];
		$bits = $data['bits'];

		$user = $this->login( $username, $password );
		if ( ! $user ) {
			return $this->error;
		}

		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
		do_action( 'xmlrpc_call', 'metaWeblog.newMediaObject' );

		if ( ! current_user_can( 'upload_files' ) ) {
			$this->error = new IXR_Error( 401, __( 'Sorry, you are not allowed to upload files.' ) );
			return $this->error;
		}

		if ( is_multisite() && upload_is_user_over_quota( false ) ) {
			$this->error = new IXR_Error(
				401,
				sprintf(
					/* translators: %s: Allowed space allocation. */
					__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
					size_format( get_space_allowed() * MB_IN_BYTES )
				)
			);
			return $this->error;
		}

		/**
		 * Filters whether to preempt the XML-RPC media upload.
		 *
		 * Passing a truthy value will effectively short-circuit the media upload,
		 * returning that value as a 500 error instead.
		 *
		 * @since 2.1.0
		 *
		 * @param bool $error Whether to pre-empt the media upload. Default false.
		 */
		$upload_err = apply_filters( 'pre_upload_error', false );
		if ( $upload_err ) {
			return new IXR_Error( 500, $upload_err );
		}

		$upload = wp_upload_bits( $name, null, $bits );
		if ( ! empty( $upload['error'] ) ) {
			/* translators: 1: File name, 2: Error message. */
			$errorString = sprintf( __( 'Could not write file %1$s (%2$s).' ), $name, $upload['error'] );
			return new IXR_Error( 500, $errorString );
		}
		// Construct the attachment array
		$post_id = 0;
		if ( ! empty( $data['post_id'] ) ) {
			$post_id = (int) $data['post_id'];

			if ( ! current_user_can( 'edit_post', $post_id ) ) {
				return new IXR_Error( 401, __( 'Sorry, you are not allowed to edit this post.' ) );
			}
		}
		$attachment = array(
			'post_title'     => $name,
			'post_content'   => '',
			'post_type'      => 'attachment',
			'post_parent'    => $post_id,
			'post_mime_type' => $type,
			'guid'           => $upload['url'],
		);

		// Save the data
		$id = wp_insert_attachment( $attachment, $upload['file'], $post_id );
		wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );

		/**
		 * Fires after a new attachment has been added via the XML-RPC MovableType API.
		 *
		 * @since 3.4.0
		 *
		 * @param int   $id   ID of the new attachment.
		 * @param array $args An array of arguments to add the attachment.
		 */
		do_action( 'xmlrpc_call_success_mw_newMediaObject', $id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase

		$struct = $this->_prepare_media_item( get_post( $id ) );

		// Deprecated values
		$struct['id']   = $struct['attachment_id'];
		$struct['file'] = $struct['title'];
		$struct['url']  = $struct['link'];

		return $struct;
	}