diff options
Diffstat (limited to 'Utility/Base64.hs')
| -rw-r--r-- | Utility/Base64.hs | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/Utility/Base64.hs b/Utility/Base64.hs index 56637a117..80cc122a1 100644 --- a/Utility/Base64.hs +++ b/Utility/Base64.hs @@ -1,24 +1,28 @@ -{- Simple Base64 access +{- Simple Base64 encoding of Strings - - Copyright 2011 Joey Hess <id@joeyh.name> - - License: BSD-2-clause -} -module Utility.Base64 (toB64, fromB64Maybe, fromB64) where +module Utility.Base64 (toB64, fromB64Maybe, fromB64, prop_b64_roundtrips) where -import "dataenc" Codec.Binary.Base64 -import Data.Bits.Utils +import qualified "dataenc" Codec.Binary.Base64 as B64 import Control.Applicative import Data.Maybe +import qualified Data.ByteString.Lazy as L +import Data.ByteString.Lazy.UTF8 (fromString, toString) -toB64 :: String -> String -toB64 = encode . s2w8 +toB64 :: String -> String +toB64 = B64.encode . L.unpack . fromString fromB64Maybe :: String -> Maybe String -fromB64Maybe s = w82s <$> decode s +fromB64Maybe s = toString . L.pack <$> B64.decode s fromB64 :: String -> String fromB64 = fromMaybe bad . fromB64Maybe where bad = error "bad base64 encoded data" + +prop_b64_roundtrips :: String -> Bool +prop_b64_roundtrips s = s == fromB64 (toB64 s) |