session-cookie.lisp

;;;; session-cookie.lisp

;;; The MIT License (MIT)
;;;
;;; Copyright (c) 2013 Michael J. Forster
;;;
;;; Permission is hereby granted, free of charge, to any person obtaining a copy
;;; of this software and associated documentation files (the "Software"), to deal
;;; in the Software without restriction, including without limitation the rights
;;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;;; copies of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be included in all
;;; copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;;; SOFTWARE.

(in-package #:hunchentools)

(defun harden-session-cookie (&key securep (name "hunchentoot-session"))
  "Set the HTTP-ONLY and secure flags of the outgoing cookie named
NAME and set it to expire with the session.  NAME defaults to
\"hunchentoot-session\"."
  (alexandria:when-let ((cookie (hunchentoot:cookie-out name)))
    (setf (hunchentoot:cookie-secure cookie) securep)
    (setf (hunchentoot:cookie-http-only cookie) t)
    (setf (hunchentoot:cookie-expires cookie) nil)))