--- #hide
module Network.HTTP.Lucu.Preprocess
( preprocess
)
import Control.Concurrent.STM
import Control.Monad
+import Data.ByteString.Base (ByteString)
+import qualified Data.ByteString.Char8 as C8
import Data.Char
import Data.Maybe
import Network.HTTP.Lucu.Config
import Network.HTTP.Lucu.Interaction
import Network.HTTP.Lucu.Request
import Network.HTTP.Lucu.Response
-import Network.HTTP.Lucu.Utils
import Network
import Network.URI
-}
-import GHC.Conc (unsafeIOToSTM)
-
preprocess :: Interaction -> STM ()
preprocess itr
= itr `seq`
PUT -> writeItr itr itrRequestHasBody True
_ -> setStatus NotImplemented
- mapM_ (preprocessHeader itr) (reqHeaders req)
+ preprocessHeader itr req
where
setStatus :: StatusCode -> STM ()
setStatus status
Just n -> Just $ ":" ++ show n
Nothing -> Nothing
case portStr of
- Just str -> updateAuthority host str
+ Just str -> updateAuthority host (C8.pack str)
-- FIXME: このエラーの原因は、listen してゐるソ
-- ケットが INET でない故にポート番號が分からな
-- い事だが、その事をどうにかして通知した方が良
-- いと思ふ。stderr?
Nothing -> setStatus InternalServerError
else
- do case getHeader "Host" req of
+ do case getHeader (C8.pack "Host") req of
Just str -> let (host, portStr) = parseHost str
in updateAuthority host portStr
Nothing -> setStatus BadRequest
- parseHost :: String -> (String, String)
- parseHost = break (== ':')
+ parseHost :: ByteString -> (ByteString, ByteString)
+ parseHost = C8.break (== ':')
- updateAuthority :: String -> String -> STM ()
+ updateAuthority :: ByteString -> ByteString -> STM ()
updateAuthority host portStr
= host `seq` portStr `seq`
updateItr itr itrRequest
in uri {
uriAuthority = Just URIAuth {
uriUserInfo = ""
- , uriRegName = host
- , uriPort = portStr
+ , uriRegName = C8.unpack host
+ , uriPort = C8.unpack portStr
}
}
}
- preprocessHeader :: Interaction -> (String, String) -> STM ()
- preprocessHeader itr (name, value)
- = itr `seq` name `seq` value `seq`
- case map toLower name of
-
- "expect"
- -> if value `noCaseEq'` "100-continue" then
- writeItr itr itrExpectedContinue True
- else
- setStatus ExpectationFailed
-
- "transfer-encoding"
- -> case map toLower value of
- "identity" -> return ()
- "chunked" -> writeItr itr itrRequestIsChunked True
- _ -> setStatus NotImplemented
-
- "content-length"
- -> if all isDigit value then
- do let len = read value
- writeItr itr itrReqChunkLength $ Just len
- writeItr itr itrReqChunkRemaining $ Just len
- else
- setStatus BadRequest
-
- "connection"
- -> case map toLower value of
- "close" -> writeItr itr itrWillClose True
- _ -> return ()
-
- _ -> return ()
\ No newline at end of file
+ preprocessHeader :: Interaction -> Request -> STM ()
+ preprocessHeader itr req
+ = itr `seq` req `seq`
+ do case getHeader (C8.pack "Expect") req of
+ Nothing -> return ()
+ Just value -> if value `noCaseEq` C8.pack "100-continue" then
+ writeItr itr itrExpectedContinue True
+ else
+ setStatus ExpectationFailed
+
+ case getHeader (C8.pack "Transfer-Encoding") req of
+ Nothing -> return ()
+ Just value -> if value `noCaseEq` C8.pack "identity" then
+ return ()
+ else
+ if value `noCaseEq` C8.pack "chunked" then
+ writeItr itr itrRequestIsChunked True
+ else
+ setStatus NotImplemented
+
+ case getHeader (C8.pack "Content-Length") req of
+ Nothing -> return ()
+ Just value -> if C8.all isDigit value then
+ do let Just (len, _) = C8.readInt value
+ writeItr itr itrReqChunkLength $ Just len
+ writeItr itr itrReqChunkRemaining $ Just len
+ else
+ setStatus BadRequest
+
+ case getHeader (C8.pack "Connection") req of
+ Nothing -> return ()
+ Just value -> if value `noCaseEq` C8.pack "close" then
+ writeItr itr itrWillClose True
+ else
+ return ()