factor out base64 code

1 files changed, 20 insertions, 0 deletions

diff --git a/Base64.hs b/Base64.hs
new file mode 100644
index 000000000..cc6346b41
--- /dev/null
+++ b/Base64.hs
@@ -0,0 +1,20 @@
+{- Simple Base64 access
+ -
+ - Copyright 2011 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Base64 (toB64, fromB64) where
+
+import Codec.Binary.Base64
+import Data.Bits.Utils
+
+toB64 :: String -> String		
+toB64 = encode . s2w8
+
+fromB64 :: String -> String
+fromB64 s =
+	case decode s of
+		Nothing -> error "bad base64 encoded data"
+		Just ws -> w82s ws