cookie-0.4.0.1/0000755000000000000000000000000012023070373011306 5ustar0000000000000000cookie-0.4.0.1/cookie.cabal0000644000000000000000000000165512023070373013552 0ustar0000000000000000name: cookie version: 0.4.0.1 license: BSD3 license-file: LICENSE author: Michael Snoyman maintainer: Michael Snoyman synopsis: HTTP cookie parsing and rendering category: Web, Yesod stability: Stable cabal-version: >= 1.6 build-type: Simple homepage: http://github.com/snoyberg/cookie library build-depends: base >= 4 && < 5 , bytestring >= 0.9.1.4 , blaze-builder >= 0.2.1 , old-locale >= 1 , time >= 1.1.4 , text >= 0.7 , data-default exposed-modules: Web.Cookie ghc-options: -Wall source-repository head type: git location: git://github.com/snoyberg/cookie.git cookie-0.4.0.1/Setup.lhs0000644000000000000000000000021712023070373013116 0ustar0000000000000000#!/usr/bin/env runhaskell > module Main where > import Distribution.Simple > import System.Cmd (system) > main :: IO () > main = defaultMain cookie-0.4.0.1/LICENSE0000644000000000000000000000253012023070373012313 0ustar0000000000000000The following license covers this documentation, and the source code, except where otherwise indicated. Copyright 2010, Michael Snoyman. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. cookie-0.4.0.1/Web/0000755000000000000000000000000012023070373012023 5ustar0000000000000000cookie-0.4.0.1/Web/Cookie.hs0000644000000000000000000001425012023070373013572 0ustar0000000000000000{-# LANGUAGE OverloadedStrings #-} module Web.Cookie ( -- * Server to client -- ** Data type SetCookie , setCookieName , setCookieValue , setCookiePath , setCookieExpires , setCookieMaxAge , setCookieDomain , setCookieHttpOnly , setCookieSecure -- ** Functions , parseSetCookie , renderSetCookie , def -- * Client to server , Cookies , parseCookies , renderCookies -- ** UTF8 Version , CookiesText , parseCookiesText , renderCookiesText -- * Expires field , expiresFormat , formatCookieExpires , parseCookieExpires ) where import qualified Data.ByteString as S import qualified Data.ByteString.Char8 as S8 import Data.Char (toLower) import Blaze.ByteString.Builder (Builder, fromByteString, copyByteString) import Blaze.ByteString.Builder.Char8 (fromChar) import Data.Monoid (mempty, mappend, mconcat) import Data.Word (Word8) import Data.Ratio (numerator, denominator) import Data.Time (UTCTime, formatTime, parseTime) import Data.Time.Clock (DiffTime, secondsToDiffTime) import System.Locale (defaultTimeLocale) import Control.Arrow (first) import Data.Text (Text) import Data.Text.Encoding (encodeUtf8, decodeUtf8With) import Data.Text.Encoding.Error (lenientDecode) import Control.Arrow ((***)) import Data.Maybe (isJust) import Data.Default (Default (def)) -- | Textual cookies. Functions assume UTF8 encoding. type CookiesText = [(Text, Text)] parseCookiesText :: S.ByteString -> CookiesText parseCookiesText = map (go *** go) . parseCookies where go = decodeUtf8With lenientDecode -- FIXME to speed things up, skip encodeUtf8 and use fromText instead renderCookiesText :: CookiesText -> Builder renderCookiesText = renderCookies . map (encodeUtf8 *** encodeUtf8) type Cookies = [(S.ByteString, S.ByteString)] -- | Decode the value of a \"Cookie\" request header into key/value pairs. parseCookies :: S.ByteString -> Cookies parseCookies s | S.null s = [] | otherwise = let (x, y) = breakDiscard 59 s -- semicolon in parseCookie x : parseCookies y parseCookie :: S.ByteString -> (S.ByteString, S.ByteString) parseCookie s = let (key, value) = breakDiscard 61 s -- equals sign key' = S.dropWhile (== 32) key -- space in (key', value) breakDiscard :: Word8 -> S.ByteString -> (S.ByteString, S.ByteString) breakDiscard w s = let (x, y) = S.breakByte w s in (x, S.drop 1 y) renderCookies :: Cookies -> Builder renderCookies [] = mempty renderCookies cs = foldr1 go $ map renderCookie cs where go x y = x `mappend` fromChar ';' `mappend` y renderCookie :: (S.ByteString, S.ByteString) -> Builder renderCookie (k, v) = fromByteString k `mappend` fromChar '=' `mappend` fromByteString v data SetCookie = SetCookie { setCookieName :: S.ByteString , setCookieValue :: S.ByteString , setCookiePath :: Maybe S.ByteString , setCookieExpires :: Maybe UTCTime , setCookieMaxAge :: Maybe DiffTime , setCookieDomain :: Maybe S.ByteString , setCookieHttpOnly :: Bool , setCookieSecure :: Bool } deriving (Eq, Show) instance Default SetCookie where def = SetCookie { setCookieName = "name" , setCookieValue = "value" , setCookiePath = Nothing , setCookieExpires = Nothing , setCookieMaxAge = Nothing , setCookieDomain = Nothing , setCookieHttpOnly = False , setCookieSecure = False } renderSetCookie :: SetCookie -> Builder renderSetCookie sc = mconcat [ fromByteString (setCookieName sc) , fromChar '=' , fromByteString (setCookieValue sc) , case setCookiePath sc of Nothing -> mempty Just path -> copyByteString "; Path=" `mappend` fromByteString path , case setCookieExpires sc of Nothing -> mempty Just e -> copyByteString "; Expires=" `mappend` fromByteString (formatCookieExpires e) , case setCookieMaxAge sc of Nothing -> mempty Just ma -> copyByteString"; Max-Age=" `mappend` fromByteString (formatCookieMaxAge ma) , case setCookieDomain sc of Nothing -> mempty Just d -> copyByteString "; Domain=" `mappend` fromByteString d , if setCookieHttpOnly sc then copyByteString "; HttpOnly" else mempty , if setCookieSecure sc then copyByteString "; Secure" else mempty ] parseSetCookie :: S.ByteString -> SetCookie parseSetCookie a = SetCookie { setCookieName = key , setCookieValue = value , setCookiePath = lookup "path" pairs , setCookieExpires = lookup "expires" pairs >>= parseCookieExpires , setCookieMaxAge = lookup "max-age" pairs >>= parseCookieMaxAge , setCookieDomain = lookup "domain" pairs , setCookieHttpOnly = isJust $ lookup "httponly" pairs , setCookieSecure = isJust $ lookup "secure" pairs } where (key, value, b) = parsePair a pairs = map (first $ S8.map toLower) $ parsePairs b parsePair bs = let (k, bs') = breakDiscard 61 bs -- equals sign (v, bs'') = breakDiscard 59 bs' -- semicolon in (k, v, S.dropWhile (== 32) bs'') -- space parsePairs bs = if S.null bs then [] else let (k, v, bs') = parsePair bs in (k, v) : parsePairs bs' expiresFormat :: String expiresFormat = "%a, %d-%b-%Y %X GMT" -- | Format a 'UTCTime' for a cookie. formatCookieExpires :: UTCTime -> S.ByteString formatCookieExpires = S8.pack . formatTime defaultTimeLocale expiresFormat parseCookieExpires :: S.ByteString -> Maybe UTCTime parseCookieExpires = parseTime defaultTimeLocale expiresFormat . S8.unpack -- | Format a 'DiffTime' for a cookie. formatCookieMaxAge :: DiffTime -> S.ByteString formatCookieMaxAge difftime = S8.pack $ show (num `div` denom) where rational = toRational difftime num = numerator rational denom = denominator rational parseCookieMaxAge :: S.ByteString -> Maybe DiffTime parseCookieMaxAge bs | all (\ c -> c >= '0' && c <= '9') $ unpacked = Just $ secondsToDiffTime $ read unpacked | otherwise = Nothing where unpacked = S8.unpack bs