propellor spin

1 files changed, 24 insertions, 0 deletions

diff --git a/Utility/Base64.hs b/Utility/Base64.hs
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+++ b/Utility/Base64.hs
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+{- Simple Base64 access
+ -
+ - Copyright 2011 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Utility.Base64 (toB64, fromB64Maybe, fromB64) where
+
+import "dataenc" Codec.Binary.Base64
+import Data.Bits.Utils
+import Control.Applicative
+import Data.Maybe
+
+toB64 :: String -> String		
+toB64 = encode . s2w8
+
+fromB64Maybe :: String -> Maybe String
+fromB64Maybe s = w82s <$> decode s
+
+fromB64 :: String -> String
+fromB64 = fromMaybe bad . fromB64Maybe
+  where
+	bad = error "bad base64 encoded data"