backup_handler.py 文件源码

def is_accessible_bucket_name(bucket_name):
  """Returns True if the application has access to the specified bucket."""
  scope = config.GoogleApiScope('devstorage.read_write')
  bucket_url = config.GsBucketURL(bucket_name)
  auth_token, _ = app_identity.get_access_token(scope)
  result = urlfetch.fetch(bucket_url, method=urlfetch.HEAD, headers={
      'Authorization': 'OAuth %s' % auth_token,
      'x-goog-api-version': '2'})
  return result and result.status_code == 200