text: 
  /**
   * Use as `this.getSetCookieToken` with
   * {@link module:@sspiff/handyaws-frontauth.frontAuth frontAuth}
   * to extract the token from the `Authorization` header (with the
   * `Bearer` scheme).
   *
   * @function getAuthBearerToken
   * @memberof module:@sspiff/handyaws-frontauth
   */
  export default request => {
    const [scheme, token] = request.headers.authorization[0].value.split(' ')
    if (scheme === 'Bearer')
      return token
    else
      throw 'EINVAL'
  }
  
  