code: def info_authn(self):
          
          authz_header = request.headers.get('Authorization', '[none]')
          if (not authz_header.startswith('Bearer ')):
              return False
          token = authz_header[7:]
          return self.access_token_valid(
              token, "info_authn: Authorization header")
docs: Check to see if user if authenticated for info.json.
  
          Must have Authorization header with value that has the form
          "Bearer TOKEN", where TOKEN is an appropriate and valid access
          token.