rails-session-0.1.4.0: Decrypt Ruby on Rails sessions in Haskell

Safe Haskell	Safe-Inferred
Language	GHC2021

Web.Rails7.Session

Contents

Decoding
Decrypting

Synopsis

decode :: Maybe Salt -> SecretKeyBase -> Cookie -> Maybe Value
decodeEither :: Maybe Salt -> SecretKeyBase -> Cookie -> Either DecodingError Value
data DecodingError
- = InvalidCookieFormat
- | InvalidAuthTagSize Int
- | InvalidIVSize Int
- | InvalidJSON String
- | InvalidBase64 String
- | InvalidCryptoStep String
- | MakeIVFailed String
- | DecryptionIsEmpty
decrypt :: Maybe Salt -> SecretKeyBase -> Cookie -> Either DecodingError DecryptedData

Decoding

decode :: Maybe Salt -> SecretKeyBase -> Cookie -> Maybe Value Source #

Decode a cookie encrypted by Rails.

decodeEither :: Maybe Salt -> SecretKeyBase -> Cookie -> Either DecodingError Value Source #

Decode a cookie encrypted by Rails and retain some error information on failure.

data DecodingError Source #

Constructors

InvalidCookieFormat
InvalidAuthTagSize Int
InvalidIVSize Int
InvalidJSON String
InvalidBase64 String
InvalidCryptoStep String
MakeIVFailed String
DecryptionIsEmpty

Instances

Instances details

Show DecodingError Source #
Instance details Defined in Web.Rails7.Session Methods showsPrec :: Int -> DecodingError -> ShowS # show :: DecodingError -> String # showList :: [DecodingError] -> ShowS #
Eq DecodingError Source #
Instance details Defined in Web.Rails7.Session Methods (==) :: DecodingError -> DecodingError -> Bool # (/=) :: DecodingError -> DecodingError -> Bool #

Decrypting

decrypt :: Maybe Salt -> SecretKeyBase -> Cookie -> Either DecodingError DecryptedData Source #

Decrypts a cookie encrypted by Rails. It returns the encrypted data as a ByteString blob, which is your responsibility to deserialise.