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|
{-|
Various utility functions
-}
module Web.ZeroBin.Utils
( toWeb
, makePassword
) where
import Crypto.Random.Entropy (getEntropy)
import Data.ByteString (ByteString)
import Data.ByteString.Base64 (encode)
import Data.ByteString.Char8 (unpack)
-- | Encodes to base64 and drops padding '='.
toWeb ::
ByteString -- ^ the data to encode
-> String -- ^ base64 string without padding
toWeb = takeWhile (/= '=') . unpack . encode
-- | Makes a random password
makePassword ::
Int -- ^ the number of bytes of entropy
-> IO String -- ^ random byte-string encoded by 'toWeb'
makePassword n = toWeb `fmap` getEntropy n
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