Happstack.Server.Cookie

Functions for creating, adding, and expiring cookies. To lookup cookie values see Happstack.Server.RqData.

Documentation

data Cookie

a type for HTTP cookies. Usually created using mkCookie.

Constructors

Cookie

Fields

cookieVersion :: String

cookiePath :: String

cookieDomain :: String

cookieName :: String

cookieValue :: String

secure :: Bool

httpOnly :: Bool

Instances

Eq Cookie

Data Cookie

Read Cookie

Show Cookie

Typeable Cookie

MonadReader RqEnv RqData

data CookieLife

Specify the lifetime of a cookie.

Note that we always set the max-age and expires headers because internet explorer does not honor max-age. You can specific MaxAge or Expires and the other will be calculated for you. Choose which ever one makes your life easiest.

Constructors

Session

session cookie - expires when browser is closed

MaxAge Int

life time of cookie in seconds

Expires UTCTime

cookie expiration date

Expired

cookie already expired

Instances

Eq CookieLife

Ord CookieLife

Read CookieLife

Show CookieLife

Typeable CookieLife

mkCookie

Arguments

:: String

cookie name

-> String

cookie value

-> Cookie

Creates a cookie with a default version of 1, empty domain, a path of /, secure == False and httpOnly == False

see also: addCookie

addCookie :: (MonadIO m, FilterMonad Response m) => CookieLife -> Cookie -> m ()

Add the Cookie to Response.

example

 main = simpleHTTP nullConf $
   do addCookie Session (mkCookie "name" "value")
      ok $ "You now have a session cookie."

see also: addCookies

addCookies :: (MonadIO m, FilterMonad Response m) => [(CookieLife, Cookie)] -> m ()

Add the list Cookie to the Response.

see also: addCookie

expireCookie :: (MonadIO m, FilterMonad Response m) => String -> m ()

Expire the named cookie immediately and set the cookie value to ""

 main = simpleHTTP nullConf $
   do expireCookie "name"
      ok $ "The cookie has been expired."