shrub/pkg/hair/lib/Vere/Http/Server.hs
2019-05-23 16:58:18 -07:00

71 lines
1.7 KiB
Haskell

-- +http-server ----------------------------------------------------------------
module Vere.Http.Server where
import ClassyPrelude
import Vere.Http
import Data.Noun.Atom
import Data.Noun.Pill (packAtom)
import qualified Network.HTTP.Types.Method as H
import qualified Network.Wai as H
type ServerId = Word
type ConnectionId = Word
type RequestId = Word
data Eff = Eff ServerId ConnectionId RequestId ServerRequest
-- | An http server effect is configuration, or it sends an outbound response
data ServerRequest
= SetConfig Config
| Response Event
data Config = Config
{ secure :: Maybe (Key, Cert)
, proxy :: Bool
, log :: Bool
, redirect :: Bool
}
-- Note: We need to parse PEM-encoded RSA private keys and cert or cert chain
-- from Wain
newtype Key = Key PEM
newtype Cert = Cert PEM
data Wain = Wain [Text]
data PEM
data ClientResponse
= Progress ResponseHeader Int (Maybe Int) (Maybe ByteString)
| Finished ResponseHeader (Maybe MimeData)
| Cancel
data MimeData = MimeData Text ByteString
--
cookMeth :: H.Request -> Maybe Method
cookMeth re =
case H.parseMethod (H.requestMethod re) of
Left _ -> Nothing
Right m -> Just m
data Octs = Octs Atom Atom
bsToOcts :: ByteString -> Octs
bsToOcts bs = Octs (fromIntegral (length bs)) (packAtom bs)
readEvents :: H.Request -> IO Request
readEvents request = do
let Just method = cookMeth request
url = decodeUtf8 (H.rawPathInfo request)
headers = convertHeaders (H.requestHeaders request)
bodyLbs <- H.strictRequestBody request
let body = if length bodyLbs == 0 then Nothing
else Just (toStrict bodyLbs)
-- TODO: Check if wai just deletes the 'host': header like h2o does?
pure (Request method url headers body)