{-# LANGUAGE NoImplicitPrelude #-}
module Wuss
( runSecureClient
, runSecureClientWith
, Config(..)
, defaultConfig
, runSecureClientWithConfig
) where
import qualified Control.Applicative as Applicative
import qualified Control.Exception as Exception
import qualified Data.Bool as Bool
import qualified Data.ByteString as StrictBytes
import qualified Data.ByteString.Lazy as LazyBytes
import qualified Data.Maybe as Maybe
import qualified Data.String as String
import qualified Network.Connection as Connection
import qualified Network.Socket as Socket
import qualified Network.WebSockets as WebSockets
import qualified Network.WebSockets.Stream as Stream
import qualified System.IO as IO
import qualified System.IO.Error as IO.Error
runSecureClient
:: Socket.HostName
-> Socket.PortNumber
-> String.String
-> WebSockets.ClientApp a
-> IO.IO a
runSecureClient :: HostName -> PortNumber -> HostName -> ClientApp a -> IO a
runSecureClient HostName
host PortNumber
port HostName
path ClientApp a
app = do
let options :: ConnectionOptions
options = ConnectionOptions
WebSockets.defaultConnectionOptions
HostName
-> PortNumber
-> HostName
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
forall a.
HostName
-> PortNumber
-> HostName
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
runSecureClientWith HostName
host PortNumber
port HostName
path ConnectionOptions
options [] ClientApp a
app
runSecureClientWith
:: Socket.HostName
-> Socket.PortNumber
-> String.String
-> WebSockets.ConnectionOptions
-> WebSockets.Headers
-> WebSockets.ClientApp a
-> IO.IO a
runSecureClientWith :: HostName
-> PortNumber
-> HostName
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
runSecureClientWith HostName
host PortNumber
port HostName
path ConnectionOptions
options Headers
headers ClientApp a
app = do
let config :: Config
config = Config
defaultConfig
HostName
-> PortNumber
-> HostName
-> Config
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
forall a.
HostName
-> PortNumber
-> HostName
-> Config
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
runSecureClientWithConfig HostName
host PortNumber
port HostName
path Config
config ConnectionOptions
options Headers
headers ClientApp a
app
newtype Config = Config
{ Config -> Connection -> IO ByteString
connectionGet :: Connection.Connection -> IO.IO StrictBytes.ByteString
}
defaultConfig :: Config
defaultConfig :: Config
defaultConfig = do
Config :: (Connection -> IO ByteString) -> Config
Config { connectionGet :: Connection -> IO ByteString
connectionGet = Connection -> IO ByteString
Connection.connectionGetChunk }
runSecureClientWithConfig
:: Socket.HostName
-> Socket.PortNumber
-> String.String
-> Config
-> WebSockets.ConnectionOptions
-> WebSockets.Headers
-> WebSockets.ClientApp a
-> IO.IO a
runSecureClientWithConfig :: HostName
-> PortNumber
-> HostName
-> Config
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
runSecureClientWithConfig HostName
host PortNumber
port HostName
path Config
config ConnectionOptions
options Headers
headers ClientApp a
app = do
ConnectionContext
context <- IO ConnectionContext
Connection.initConnectionContext
IO Connection
-> (Connection -> IO ()) -> (Connection -> IO a) -> IO a
forall a b c. IO a -> (a -> IO b) -> (a -> IO c) -> IO c
Exception.bracket
(ConnectionContext -> ConnectionParams -> IO Connection
Connection.connectTo ConnectionContext
context (HostName -> PortNumber -> ConnectionParams
connectionParams HostName
host PortNumber
port))
Connection -> IO ()
Connection.connectionClose
(\Connection
connection -> do
Stream
stream <- IO (Maybe ByteString) -> (Maybe ByteString -> IO ()) -> IO Stream
Stream.makeStream
(Config -> Connection -> IO (Maybe ByteString)
reader Config
config Connection
connection)
(Connection -> Maybe ByteString -> IO ()
writer Connection
connection)
Stream
-> HostName
-> HostName
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
forall a.
Stream
-> HostName
-> HostName
-> ConnectionOptions
-> Headers
-> ClientApp a
-> IO a
WebSockets.runClientWithStream Stream
stream HostName
host HostName
path ConnectionOptions
options Headers
headers ClientApp a
app
)
connectionParams
:: Socket.HostName -> Socket.PortNumber -> Connection.ConnectionParams
connectionParams :: HostName -> PortNumber -> ConnectionParams
connectionParams HostName
host PortNumber
port = do
ConnectionParams :: HostName
-> PortNumber
-> Maybe TLSSettings
-> Maybe ProxySettings
-> ConnectionParams
Connection.ConnectionParams
{ connectionHostname :: HostName
Connection.connectionHostname = HostName
host
, connectionPort :: PortNumber
Connection.connectionPort = PortNumber
port
, connectionUseSecure :: Maybe TLSSettings
Connection.connectionUseSecure = TLSSettings -> Maybe TLSSettings
forall a. a -> Maybe a
Maybe.Just TLSSettings
tlsSettings
, connectionUseSocks :: Maybe ProxySettings
Connection.connectionUseSocks = Maybe ProxySettings
forall a. Maybe a
Maybe.Nothing
}
tlsSettings :: Connection.TLSSettings
tlsSettings :: TLSSettings
tlsSettings = do
TLSSettingsSimple :: Bool -> Bool -> Bool -> TLSSettings
Connection.TLSSettingsSimple
{ settingDisableCertificateValidation :: Bool
Connection.settingDisableCertificateValidation = Bool
Bool.False
, settingDisableSession :: Bool
Connection.settingDisableSession = Bool
Bool.False
, settingUseServerName :: Bool
Connection.settingUseServerName = Bool
Bool.False
}
reader
:: Config
-> Connection.Connection
-> IO.IO (Maybe.Maybe StrictBytes.ByteString)
reader :: Config -> Connection -> IO (Maybe ByteString)
reader Config
config Connection
connection = IO (Maybe ByteString)
-> (IOError -> IO (Maybe ByteString)) -> IO (Maybe ByteString)
forall a. IO a -> (IOError -> IO a) -> IO a
IO.Error.catchIOError
(do
ByteString
chunk <- Config -> Connection -> IO ByteString
connectionGet Config
config Connection
connection
Maybe ByteString -> IO (Maybe ByteString)
forall (f :: * -> *) a. Applicative f => a -> f a
Applicative.pure (ByteString -> Maybe ByteString
forall a. a -> Maybe a
Maybe.Just ByteString
chunk)
)
(\IOError
e -> if IOError -> Bool
IO.Error.isEOFError IOError
e
then Maybe ByteString -> IO (Maybe ByteString)
forall (f :: * -> *) a. Applicative f => a -> f a
Applicative.pure Maybe ByteString
forall a. Maybe a
Maybe.Nothing
else IOError -> IO (Maybe ByteString)
forall e a. Exception e => e -> IO a
Exception.throwIO IOError
e
)
writer
:: Connection.Connection -> Maybe.Maybe LazyBytes.ByteString -> IO.IO ()
writer :: Connection -> Maybe ByteString -> IO ()
writer Connection
connection Maybe ByteString
maybeBytes = do
case Maybe ByteString
maybeBytes of
Maybe ByteString
Maybe.Nothing -> do
() -> IO ()
forall (f :: * -> *) a. Applicative f => a -> f a
Applicative.pure ()
Maybe.Just ByteString
bytes -> do
Connection -> ByteString -> IO ()
Connection.connectionPut Connection
connection (ByteString -> ByteString
LazyBytes.toStrict ByteString
bytes)