237 lines
9.2 KiB
Haskell
237 lines
9.2 KiB
Haskell
#!/usr/bin/env runhaskell
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{-# LANGUAGE DeriveDataTypeable #-}
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module Main where
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import System.Console.CmdArgs
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import Control.Arrow
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import Data.ByteString.UTF8 as BSU -- from utf8-string
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import qualified Data.ByteString.Char8 as C
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import Text.Regex.TDFA
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import Encoding.Base2 (enc2, dec2)
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import Encoding.Base8 (enc8, dec8)
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import Encoding.Base10 (enc10, dec10)
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import Encoding.Base16 (enc16, dec16)
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import Encoding.Base32 (enc32, dec32)
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import Encoding.Base45 (enc45, dec45)
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import Encoding.Base58 (enc58, dec58)
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import Encoding.Base62 (enc62, dec62)
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import Encoding.Base64 (enc64, dec64, enc64url, dec64url)
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import Encoding.Base85 (enc85, dec85)
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import Encoding.Base91 (enc91, dec91)
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import Encoding.Url (encurl, decurl)
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import Encoding.Xx (encxx, decxx)
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import Encoding.QuotedPrintable (encqp, decqp)
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import Encoding.UnixToUnix (encuu, decuu)
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import Encoding.Yenc (ency, decy)
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import Encoding.Rotate (rotate)
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data Based = Decode {
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b91 :: Bool,
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b85 :: Bool,
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b64 :: Bool,
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b64url :: Bool,
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url :: Bool,
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b62 :: Bool,
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b58 :: Bool,
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b45 :: Bool,
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b32 :: Bool,
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b16 :: Bool,
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b10 :: Bool,
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b8 :: Bool,
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b2 :: Bool,
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qp :: Bool,
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uu :: Bool,
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xx :: Bool,
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yenc :: Bool,
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rot :: Maybe Int,
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solve :: Bool
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}
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| Encode {
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b91 :: Bool,
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b85 :: Bool,
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b64 :: Bool,
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b64url :: Bool,
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url :: Bool,
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b62 :: Bool,
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b58 :: Bool,
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b45 :: Bool,
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b32 :: Bool,
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b16 :: Bool,
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b10 :: Bool,
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b8 :: Bool,
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b2 :: Bool,
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qp :: Bool,
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uu :: Bool,
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xx :: Bool,
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yenc :: Bool,
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rot :: Maybe Int
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}
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deriving(Show, Data, Typeable)
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-- helper functions
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-- convertToByteString :: String -> Either String C.ByteString
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-- convertToByteString str =
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-- case BSU.fromString str of
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-- Just bs -> Right bs
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-- Nothing -> Left "Failed to convert string to ByteString."
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-- decodeFromBase91 :: String -> Either String C.ByteString
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-- decodeFromBase91 decoded =
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-- case B91.decode of
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-- decoded | C.null decoded -> Left "Failed to decode from base91"
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-- | otherwise -> Right decoded
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binToInt :: [Int] -> Int
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binToInt [] = 0
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binToInt (x : xs) = x + 2 * binToInt xs
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octToInt :: [Int] -> Int
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octToInt [] = 0
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octToInt (x : xs) = x + 8 * octToInt xs
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-- base functions
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-- without the show func, sequences like \n will not be shown as characters but will be executed as newline
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base91Regex = "^[!-~]*$"
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base85Regex = "^[0-9A-Za-z!#$%&()*+,-;<=>?@^_`{|}~]+$"
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-- base85Regex = "^[A-Za-u0-9!\"#$%&((*+,-./;:<=@[]\\`]*$"
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base64Regex = "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)?$"
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base58Regex = "^[1-9A-HJ-NP-Za-km-z]+$" -- incorrect
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base32Regex = "^(?:[A-Z2-7]{8})*(?:[A-Z2-7]{2}={6}|[A-Z2-7]{4}={4}|[A-Z2-7]{5}={3}|[A-Z2-7]{7}=)?$"
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base16Regex = "^[0-9A-FXx]*$"
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base10Regex = "^[0-9]*$"
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base8Regex = "^[0-7]*$"
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base2Regex = "^[01]*$"
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urlRegex = "^[a-zA-Z0-9%]*$"
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solveEnc :: String -> String
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solveEnc input =
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let isBase91 = BSU.fromString input =~ base91Regex :: Bool
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isBase85 = BSU.fromString input =~ base85Regex :: Bool
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isBase64 = BSU.fromString input =~ base64Regex :: Bool
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isBase58 = BSU.fromString input =~ base58Regex :: Bool
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isBase32 = BSU.fromString input =~ base32Regex :: Bool
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isBase16 = BSU.fromString input =~ base16Regex :: Bool
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isBase10 = BSU.fromString input =~ base10Regex :: Bool
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isBase8 = BSU.fromString input =~ base8Regex :: Bool
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isBase2 = BSU.fromString input =~ base2Regex :: Bool
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isURL = BSU.fromString input =~ urlRegex :: Bool
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base91Result = if isBase91 then "\nTrying base91:\n" ++ dec91 input else ""
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base85Result = if isBase85 then "\nTrying base85:\n" ++ dec85 input else ""
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base64Result = if isBase64 then "\nTrying base64:\n" ++ dec64 input else ""
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base58Result = if isBase58 then "\nTrying base58:\n" ++ dec58 input else ""
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base32Result = if isBase64 then "\nTrying base32:\n" ++ dec32 input else ""
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base16Result = if isBase16 then "\nTrying base16:\n" ++ dec16 input else ""
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base10Result = if isBase10 then "\nTrying base10:\n" ++ dec10 input else ""
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base2Result = if isBase2 then "\nTrying base2:\n" ++ dec2 input else ""
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base8Result = if isBase8 then "\nTrying base8:\n" ++ dec8 input else ""
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urlResult = if isURL then "\nTrying URL decode:\n" ++ decurl input else ""
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results = filter (not . null) [base91Result, base85Result, base64Result, base58Result, base32Result, base16Result, base10Result, base8Result, base2Result, urlResult]
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in
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if null results
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then "Not able to solve the encoding.\n"
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else unlines results
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--
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-- | input =~ base64Regex = dec64 input
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-- | input =~ base32Regex = dec32 input
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-- | otherwise = "Cannot decode: " ++ input
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--
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-- if BSU.fromString input =~ base64Regex :: Bool
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-- then dec64 input
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-- else "Not Base64.\n"
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-- ++ if BSU.fromString input =~ base32Regex :: Bool
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-- then dec32 input
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-- else "Not able to solve the encoding.\n"
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-- optionHandler :: EncodeOptions -> Text -> Text
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optionHandler Decode{b91=True} = dec91
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optionHandler Encode{b91=True} = enc91
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optionHandler Decode{b85=True} = dec85
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optionHandler Encode{b85=True} = enc85
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optionHandler Decode{b64=True} = dec64
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optionHandler Encode{b64=True} = enc64
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optionHandler Decode{b64url=True} = dec64url
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optionHandler Encode{b64url=True} = enc64url
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optionHandler Decode{url=True} = decurl
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optionHandler Encode{url=True} = encurl
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optionHandler Decode{b62=True} = dec62
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optionHandler Encode{b62=True} = enc62
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optionHandler Decode{b58=True} = dec58
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optionHandler Encode{b58=True} = enc58
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optionHandler Decode{b45=True} = dec45
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optionHandler Encode{b45=True} = enc45
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optionHandler Decode{b32=True} = dec32
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optionHandler Encode{b32=True} = enc32
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optionHandler Decode{b16=True} = dec16
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optionHandler Encode{b16=True} = enc16
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optionHandler Decode{b10=True} = dec10
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optionHandler Encode{b10=True} = enc10
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optionHandler Decode{b8=True} = dec8
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optionHandler Encode{b8=True} = enc8
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optionHandler Decode{b2=True} = dec2
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optionHandler Encode{b2=True} = enc2
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optionHandler Decode{qp=True} = decqp
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optionHandler Encode{qp=True} = encqp
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optionHandler Encode{uu=True} = encuu
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optionHandler Decode{uu=True} = decuu
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optionHandler Decode{xx=True} = decxx
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optionHandler Encode{xx=True} = encxx
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optionHandler Decode{yenc=True} = decy
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optionHandler Encode{yenc=True} = ency
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optionHandler Encode{rot=Just n} = rotate n
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optionHandler Decode{rot=Just n} = rotate n
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optionHandler Decode{solve=True} = solveEnc
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decodeMode :: Based
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decodeMode = Decode {
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b91 = def &= help "decode base91",
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b85 = def &= help "decode base85",
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b64 = def &= help "decode base64",
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b64url = def &= help "decode base64Url",
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url = def &= help "decode URI",
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b62 = def &= help "decode base62",
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b58 = def &= help "decode base58",
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b45 = def &= help "decode base45",
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b32 = def &= help "decode base32",
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b16 = def &= help "decode base16",
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b10 = def &= help "decode decimal from hex",
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b8 = def &= help "decode octal from hex",
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b2 = def &= help "decode binary from hex",
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qp = def &= help "decode quoted-printable",
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uu = def &= help "decode uu",
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xx = def &= help "decode xx",
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yenc = def &= help "decode yEncode",
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rot = def &= help "rotate characters by n positions",
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solve = def &= help "solve encoding"
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} &= help "Decode chosen base" &=auto
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encodeMode :: Based
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encodeMode = Encode {
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b91 = def &= help "encode base91",
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b85 = def &= help "encode base85",
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b64 = def &= help "encode base64",
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b64url = def &= help "encode base64Url",
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url = def &= help "encode URI",
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b62 = def &= help "encode base62",
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b58 = def &= help "encode base58",
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b45 = def &= help "encode base45",
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b32 = def &= help "encode base32",
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b16 = def &= help "encode base16",
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b10 = def &= help "encode base10 to hex",
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b8 = def &= help "encode octal to hex",
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b2 = def &= help "encode binary to hex",
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qp = def &= help "encode quoted-printable",
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uu = def &= help "encode uu",
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xx = def &= help "encode xx",
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yenc = def &= help "encode yEncode",
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rot = def &= help "rotate characters by n positions"
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} &= help "Encode chosen base"
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main :: IO()
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main = cmdArgs (modes[decodeMode, encodeMode] &= help "Based, when Cyberchef doesn't cut it.\nTo see every parameter of every mode use --help=all" &= program "based" &= summary "based v0.4") >>= interact . optionHandler
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