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module Network.TLS.Hooks (
Logging (..),
defaultLogging,
Hooks (..),
defaultHooks,
) where
import qualified Data.ByteString as B
import Data.Default (Default (def))
import Network.TLS.Struct (Handshake, Header)
import Network.TLS.Struct13 (Handshake13)
import Network.TLS.X509 (CertificateChain)
-- | Hooks for logging
--
-- This is called when sending and receiving packets and IO
data Logging = Logging
{ loggingPacketSent :: String -> IO ()
, loggingPacketRecv :: String -> IO ()
, loggingIOSent :: B.ByteString -> IO ()
, loggingIORecv :: Header -> B.ByteString -> IO ()
}
defaultLogging :: Logging
defaultLogging =
Logging
{ loggingPacketSent = \_ -> return ()
, loggingPacketRecv = \_ -> return ()
, loggingIOSent = \_ -> return ()
, loggingIORecv = \_ _ -> return ()
}
instance Default Logging where
def = defaultLogging
-- | A collection of hooks actions.
data Hooks = Hooks
{ hookRecvHandshake :: Handshake -> IO Handshake
-- ^ called at each handshake message received
, hookRecvHandshake13 :: Handshake13 -> IO Handshake13
-- ^ called at each handshake message received for TLS 1.3
, hookRecvCertificates :: CertificateChain -> IO ()
-- ^ called at each certificate chain message received
, hookLogging :: Logging
-- ^ hooks on IO and packets, receiving and sending.
}
defaultHooks :: Hooks
defaultHooks =
Hooks
{ hookRecvHandshake = return
, hookRecvHandshake13 = return
, hookRecvCertificates = return . const ()
, hookLogging = def
}
instance Default Hooks where
def = defaultHooks
|
