async getFileURL (storageData) {
    if (this._data.encryption && this._data.encryption.secret && this._data.encryption.server) {
      const uri = cryptoJs.AES.encrypt(this._data.drive.driveId + '||!||' + storageData.fileId, this._data.encryption.secret).toString()
      const server = this._data.encryption.server.split(',')
      return server[randomInt(0, server.length - 1)] + '/' + base64.encode(uri)
    }
    return ''
  }
Get file download URL

@param {String} Google Drive file storage data

@returns {String} URL