{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
import Test.Hspec
import qualified Data.ByteString as S
import qualified Data.ByteString.Char8 as S8
import qualified Data.ByteString.Lazy.Char8 as L8
import Test.HUnit
import Network.Wai hiding (requestBody)
import Network.Wai.Conduit (responseSource, sourceRequestBody)
import Network.HTTP.Client (streamFile)
import System.IO.Temp (withSystemTempFile)
import qualified Network.Wai as Wai
import Network.Wai.Handler.Warp (runSettings, defaultSettings, setPort, setBeforeMainLoop, Settings, setTimeout)
import Network.HTTP.Conduit hiding (port)
import qualified Network.HTTP.Conduit as NHC
import Network.HTTP.Client.MultipartFormData
import Control.Concurrent (forkIO, killThread, putMVar, takeMVar, newEmptyMVar, threadDelay)
import Network.HTTP.Types
import UnliftIO.Exception (try, SomeException, bracket, onException, IOException)
import qualified Data.IORef as I
import qualified Control.Exception as E (catch)
import qualified Network.Socket as NS
import qualified Network.BSD
import CookieTest (cookieTest)
#if MIN_VERSION_conduit(1,1,0)
import Data.Conduit.Network (runTCPServer, serverSettings, appSink, appSource, ServerSettings)
import Data.Streaming.Network (bindPortTCP, setAfterBind)
#define bindPort bindPortTCP
#else
import Data.Conduit.Network (runTCPServer, serverSettings, HostPreference (..), appSink, appSource, bindPort, serverAfterBind, ServerSettings)
#endif
import qualified Data.Conduit.Network
import System.IO.Unsafe (unsafePerformIO)
import Data.Conduit ((.|), yield, Flush (Chunk, Flush), await, runConduit)
import Control.Monad (void, forever)
import Control.Monad.IO.Class (liftIO)
import Data.ByteString.UTF8 (fromString)
import Data.Conduit.List (sourceList)
import Data.CaseInsensitive (mk)
import Data.List (partition)
import qualified Data.Conduit.List as CL
import qualified Data.Text as T
import qualified Data.Text.Encoding as TE
import qualified Data.ByteString.Lazy as L
import Blaze.ByteString.Builder (fromByteString)
import System.IO
import Data.Time.Clock
import Data.Time.Calendar
import qualified Network.Wai.Handler.WarpTLS as WT
import Network.Connection (settingDisableCertificateValidation)
import Data.Default.Class (def)
import qualified Data.Aeson as A
import qualified Network.HTTP.Simple as Simple
import Data.Monoid (mempty)
import Control.Monad.Trans.Resource (runResourceT)
past :: UTCTime
past = UTCTime (ModifiedJulianDay 56200) (secondsToDiffTime 0)
future :: UTCTime
future = UTCTime (ModifiedJulianDay 562000) (secondsToDiffTime 0)
cookie :: Cookie
cookie = Cookie { cookie_name = "key"
, cookie_value = "value"
, cookie_expiry_time = future
, cookie_domain = "127.0.0.1"
, cookie_path = "/dump_cookies"
, cookie_creation_time = past
, cookie_last_access_time = past
, cookie_persistent = False
, cookie_host_only = False
, cookie_secure_only = False
, cookie_http_only = False
}
cookie_jar :: CookieJar
cookie_jar = createCookieJar [cookie]
app :: Wai.Request -> IO Wai.Response
app req =
case pathInfo req of
[] ->
if maybe False ("example.com:" `S.isPrefixOf`) $ lookup "host" $ Wai.requestHeaders req
then return $ responseLBS status200 [] "homepage for example.com"
else return $ responseLBS status200 [] "homepage"
["cookies"] -> return $ responseLBS status200 [tastyCookie] "cookies"
["cookie_redir1"] -> return $ responseLBS status303 [tastyCookie, (hLocation, "/checkcookie")] ""
["checkcookie"] -> return $ case lookup hCookie $ Wai.requestHeaders req of
Just "flavor=chocolate-chip" -> responseLBS status200 [] "nom-nom-nom"
_ -> responseLBS status412 [] "Baaaw where's my chocolate?"
["infredir", i'] ->
let i = read $ T.unpack i' :: Int
in return $ responseLBS status303
[(hLocation, S.append "/infredir/" $ S8.pack $ show $ i+1)]
(L8.pack $ show i)
["dump_cookies"] -> return $ responseLBS status200 [] $ L.fromChunks $ return $ maybe "" id $ lookup hCookie $ Wai.requestHeaders req
["delayed"] -> return $ responseSource status200 [("foo", "bar")] $ do
yield Flush
liftIO $ threadDelay 30000000
yield $ Chunk $ fromByteString "Hello World!"
_ -> return $ responseLBS status404 [] "not found"
where tastyCookie = (mk (fromString "Set-Cookie"), fromString "flavor=chocolate-chip;")
nextPort :: I.IORef Int
nextPort = unsafePerformIO $ I.newIORef 15452
{-# NOINLINE nextPort #-}
getPort :: IO Int
getPort = do
port <- I.atomicModifyIORef nextPort $ \p -> (p + 1, p + 1)
esocket <- try $ bindPort port "*4"
case esocket of
Left (_ :: IOException) -> getPort
Right socket -> do
NS.close socket
return port
withApp :: (Wai.Request -> IO Wai.Response) -> (Int -> IO ()) -> IO ()
withApp app' f = withApp' (const app') f
withApp' :: (Int -> Wai.Request -> IO Wai.Response) -> (Int -> IO ()) -> IO ()
withApp' = withAppSettings id
withAppSettings :: (Settings -> Settings)
-> (Int -> Wai.Request -> IO Wai.Response)
-> (Int -> IO ())
-> IO ()
withAppSettings modSettings app' f = do
port <- getPort
baton <- newEmptyMVar
bracket
(forkIO $ runSettings (modSettings $
setPort port
$ setBeforeMainLoop (putMVar baton ())
defaultSettings) (app'' port) `onException` putMVar baton ())
killThread
(const $ takeMVar baton >> f port)
where
app'' port req sendResponse = do
res <- app' port req
sendResponse res
withAppTls :: (Wai.Request -> IO Wai.Response) -> (Int -> IO ()) -> IO ()
withAppTls app' f = withAppTls' (const app') f
withAppTls' :: (Int -> Wai.Request -> IO Wai.Response) -> (Int -> IO ()) -> IO ()
withAppTls' app' f = do
port <- getPort
baton <- newEmptyMVar
bracket
(forkIO $ WT.runTLS WT.defaultTlsSettings (
setPort port
$ setBeforeMainLoop (putMVar baton ())
defaultSettings)
(app'' port) `onException` putMVar baton ())
killThread
(const $ takeMVar baton >> f port)
where
app'' port req sendResponse = do
res <- app' port req
sendResponse res
main :: IO ()
main = do
mapM_ (`hSetBuffering` LineBuffering) [stdout, stderr]
hspec $ do
cookieTest
describe "simpleHttp" $ do
it "gets homepage" $ withApp app $ \port -> do
lbs <- simpleHttp $ "http://127.0.0.1:" ++ show port
lbs @?= "homepage"
it "throws exception on 404" $ withApp app $ \port -> do
elbs <- try $ simpleHttp $ concat ["http://127.0.0.1:", show port, "/404"]
case elbs of
Left (HttpExceptionRequest _ StatusCodeException {}) -> return ()
_ -> error "Expected an exception"
describe "httpLbs" $ do
it "preserves 'set-cookie' headers" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/cookies"]
manager <- newManager tlsManagerSettings
response <- httpLbs request manager
let setCookie = mk (fromString "Set-Cookie")
(setCookieHeaders, _) = partition ((== setCookie) . fst) (NHC.responseHeaders response)
assertBool "response contains a 'set-cookie' header" $ length setCookieHeaders > 0
it "redirects set cookies" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/cookie_redir1"]
manager <- newManager tlsManagerSettings
response <- httpLbs request manager
(responseBody response) @?= "nom-nom-nom"
it "user-defined cookie jar works" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/dump_cookies"]
manager <- newManager tlsManagerSettings
response <- httpLbs (request {redirectCount = 1, cookieJar = Just cookie_jar}) manager
(responseBody response) @?= "key=value"
it "user-defined cookie jar is not ignored when redirection is disabled" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/dump_cookies"]
manager <- newManager tlsManagerSettings
response <- httpLbs (request {redirectCount = 0, cookieJar = Just cookie_jar}) manager
(responseBody response) @?= "key=value"
it "cookie jar is available in response" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/cookies"]
manager <- newManager tlsManagerSettings
response <- httpLbs (request {cookieJar = Just Data.Monoid.mempty}) manager
(length $ destroyCookieJar $ responseCookieJar response) @?= 1
it "Cookie header isn't touched when no cookie jar supplied" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/dump_cookies"]
manager <- newManager tlsManagerSettings
let request_headers = (mk "Cookie", "key2=value2") : filter ((/= mk "Cookie") . fst) (NHC.requestHeaders request)
response <- httpLbs (request {NHC.requestHeaders = request_headers, cookieJar = Nothing}) manager
(responseBody response) @?= "key2=value2"
it "Response cookie jar is nothing when request cookie jar is nothing" $ withApp app $ \port -> do
request <- parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/cookies"]
manager <- newManager tlsManagerSettings
response <- httpLbs (request {cookieJar = Nothing}) manager
(responseCookieJar response) @?= mempty
it "TLS" $ withAppTls app $ \port -> do
request <- parseUrlThrow $ "https://127.0.0.1:" ++ show port
let set = mkManagerSettings
def
{ settingDisableCertificateValidation = True
}
Nothing
manager <- newManager set
response <- httpLbs request manager
responseBody response @?= "homepage"
describe "manager" $ do
it "closes all connections" $ withApp app $ \port1 -> withApp app $ \port2 -> do
--FIXME clearSocketsList
manager <- newManager tlsManagerSettings
let Just req1 = parseUrlThrow $ "http://127.0.0.1:" ++ show port1
let Just req2 = parseUrlThrow $ "http://127.0.0.1:" ++ show port2
runResourceT $ do
_res1a <- http req1 manager
_res1b <- http req1 manager
_res2 <- http req2 manager
return ()
--FIXME requireAllSocketsClosed
describe "http" $ do
it "response body" $ withApp app $ \port -> do
manager <- newManager tlsManagerSettings
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
runResourceT $ do
res1 <- http req manager
bss <- runConduit $ responseBody res1 .| CL.consume
res2 <- httpLbs req manager
liftIO $ L.fromChunks bss `shouldBe` responseBody res2
describe "DOS protection" $ do
it "overlong headers" $ overLongHeaders $ \port -> do
manager <- newManager tlsManagerSettings
let Just req1 = parseUrlThrow $ "http://127.0.0.1:" ++ show port
res1 <- try $ runResourceT $ http req1 manager
case res1 of
Left e -> show (e :: SomeException) @?= show (HttpExceptionRequest req1 OverlongHeaders)
_ -> error "Shouldn't have worked"
it "not overlong headers" $ notOverLongHeaders $ \port -> do
manager <- newManager tlsManagerSettings
let Just req1 = parseUrlThrow $ "http://127.0.0.1:" ++ show port
_ <- httpLbs req1 manager
return ()
describe "redirects" $ do
it "doesn't double escape" $ redir $ \port -> do
manager <- newManager tlsManagerSettings
let go (encoded, final) = do
let Just req1 = parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/redir/", encoded]
res <- httpLbs req1 manager
liftIO $ Network.HTTP.Conduit.responseStatus res @?= status200
liftIO $ responseBody res @?= L.fromChunks [TE.encodeUtf8 final]
mapM_ go
[ ("hello world%2F", "hello world/")
, ("%D7%A9%D7%9C%D7%95%D7%9D", "שלום")
, ("simple", "simple")
, ("hello%20world", "hello world")
, ("hello%20world%3f%23", "hello world?#")
]
it "TooManyRedirects: redirect request body is preserved" $ withApp app $ \port -> do
let Just req = parseUrlThrow $ concat ["http://127.0.0.1:", show port, "/infredir/0"]
let go (res, i) = liftIO $ responseBody res @?= (L8.pack $ show i)
manager <- newManager tlsManagerSettings
E.catch (void $ runResourceT $ http req{redirectCount=5} manager)
$ \e ->
case e of
HttpExceptionRequest _ (TooManyRedirects redirs) ->
mapM_ go (zip redirs [5,4..0 :: Int])
_ -> error $ show e
describe "chunked request body" $ do
it "works" $ echo $ \port -> do
manager <- newManager tlsManagerSettings
let go bss = do
let Just req1 = parseUrlThrow $ "POST http://127.0.0.1:" ++ show port
src = sourceList bss
lbs = L.fromChunks bss
res <- httpLbs req1
{ requestBody = requestBodySourceChunked src
} manager
liftIO $ Network.HTTP.Conduit.responseStatus res @?= status200
let ts = S.concat . L.toChunks
liftIO $ ts (responseBody res) @?= ts lbs
mapM_ go
[ ["hello", "world"]
, replicate 500 "foo\003\n\r"
]
describe "no status message" $ do
it "works" $ noStatusMessage $ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
res <- httpLbs req manager
liftIO $ do
Network.HTTP.Conduit.responseStatus res `shouldBe` status200
responseBody res `shouldBe` "foo"
describe "response body too short" $ do
it "throws an exception" $ wrongLength $ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show $ HttpExceptionRequest req $ ResponseBodyTooShort 50 18)
describe "chunked response body" $ do
it "no chunk terminator" $ wrongLengthChunk1 $ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show (HttpExceptionRequest req IncompleteHeaders))
it "incomplete chunk" $ wrongLengthChunk2 $ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show (HttpExceptionRequest req InvalidChunkHeaders))
it "invalid chunk" $ invalidChunk $ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show (HttpExceptionRequest req InvalidChunkHeaders))
it "missing header" $ rawApp
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nabcd\r\n\r\n\r\n"
$ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show (HttpExceptionRequest req InvalidChunkHeaders))
it "junk header" $ rawApp
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nabcd\r\njunk\r\n\r\n"
$ \port -> do
req <- parseUrlThrow $ "http://127.0.0.1:" ++ show port
manager <- newManager tlsManagerSettings
eres <- try $ httpLbs req manager
liftIO $ either (Left . (show :: HttpException -> String)) (Right . id) eres
`shouldBe` Left (show (HttpExceptionRequest req InvalidChunkHeaders))
describe "redirect" $ do
it "ignores large response bodies" $ do
let app' port req =
case pathInfo req of
["foo"] -> return $ responseLBS status200 [] "Hello World!"
_ -> return $ responseSource status301 [("location", S8.pack $ "http://127.0.0.1:" ++ show port ++ "/foo")] $ forever $ yield $ Chunk $ fromByteString "hello\n"
manager <- newManager tlsManagerSettings
withApp' app' $ \port -> do
req <- liftIO $ parseUrlThrow $ "http://127.0.0.1:" ++ show port
res <- httpLbs req manager
liftIO $ do
Network.HTTP.Conduit.responseStatus res `shouldBe` status200
responseBody res `shouldBe` "Hello World!"
describe "multipart/form-data" $ do
it "formats correctly" $ do
let bd = "---------------------------190723902820679116301912680260"
(RequestBodyStream _ givesPopper) <- renderParts bd
[partBS "email" ""
,partBS "parent_id" "70488"
,partBS "captcha" ""
,partBS "homeboard" "0chan.hk"
,partBS "text" $ TE.encodeUtf8 ">>72127\r\nМы работаем над этим."
,partFileSource "upload" "nyan.gif"
]
ires <- I.newIORef S.empty
let loop front popper = do
bs <- popper
if S.null bs
then I.writeIORef ires $ S.concat $ front []
else loop (front . (bs:)) popper
givesPopper $ loop id
mfd <- I.readIORef ires
exam <- S.readFile "multipart-example.bin"
mfd @?= exam
describe "HTTP/1.0" $ do
it "BaseHTTP" $ do
let baseHTTP app' = do
_ <- runConduit $ appSource app' .| await
runConduit $ yield "HTTP/1.0 200 OK\r\n\r\nThis is it!" .| appSink app'
manager <- newManager tlsManagerSettings
withCApp baseHTTP $ \port -> do
req <- liftIO $ parseUrlThrow $ "http://127.0.0.1:" ++ show port
res1 <- httpLbs req manager
res2 <- httpLbs req manager
liftIO $ res1 @?= res2
describe "hostAddress" $ do
it "overrides host" $ withApp app $ \port -> do
entry <- Network.BSD.getHostByName "127.0.0.1"
req' <- parseUrlThrow $ "http://example.com:" ++ show port
let req = req' { hostAddress = Just $ Network.BSD.hostAddress entry }
manager <- newManager tlsManagerSettings
res <- httpLbs req manager
responseBody res @?= "homepage for example.com"
describe "managerResponseTimeout" $ do
it "works" $ withApp app $ \port -> do
req1 <- parseUrlThrow $ "http://localhost:" ++ show port
let req2 = req1 { responseTimeout = responseTimeoutMicro 5000000 }
man <- newManager tlsManagerSettings { managerResponseTimeout = responseTimeoutMicro 1 }
eres1 <- try $ httpLbs req1 { NHC.path = "/delayed" } man
case eres1 of
Left (HttpExceptionRequest _ ConnectionTimeout{}) -> return ()
_ -> error "Did not time out"
_ <- httpLbs req2 man
return ()
describe "delayed body" $ do
it "works" $ withApp app $ \port -> do
req <- parseUrlThrow $ "http://localhost:" ++ show port ++ "/delayed"
man <- newManager tlsManagerSettings
_ <- runResourceT $ http req man
return ()
it "reuse/connection close tries again" $ do
withAppSettings (setTimeout 1) (const app) $ \port -> do
req <- parseUrlThrow $ "http://localhost:" ++ show port
man <- newManager tlsManagerSettings
res1 <- httpLbs req man
threadDelay 3000000
res2 <- httpLbs req man
let f res = res
{ NHC.responseHeaders = filter (not . isDate) (NHC.responseHeaders res)
}
isDate ("date", _) = True
isDate _ = False
f res2 `shouldBe` f res1
it "setQueryString" $ do
ref <- I.newIORef undefined
let app' req = do
I.writeIORef ref $ Wai.queryString req
return $ responseLBS status200 [] ""
withApp app' $ \port -> do
let qs =
[ ("foo", Just "bar")
, (TE.encodeUtf8 "שלום", Just "hola")
, ("noval", Nothing)
]
man <- newManager tlsManagerSettings
req <- parseUrlThrow $ "http://localhost:" ++ show port
_ <- httpLbs (setQueryString qs req) man
res <- I.readIORef ref
res `shouldBe` qs
describe "Simple" $ do
it "JSON" $ jsonApp $ \port -> do
req <- parseUrlThrow $ "http://localhost:" ++ show port
value <- Simple.httpJSON req
responseBody value `shouldBe` jsonValue
it "RequestBodyIO" $ echo $ \port -> do
manager <- newManager tlsManagerSettings
let go bss = withSystemTempFile "request-body-io" $ \tmpfp tmph -> do
liftIO $ do
mapM_ (S.hPutStr tmph) bss
hClose tmph
let Just req1 = parseUrlThrow $ "POST http://127.0.0.1:" ++ show port
lbs = L.fromChunks bss
res <- httpLbs req1
{ requestBody = RequestBodyIO (streamFile tmpfp)
} manager
liftIO $ Network.HTTP.Conduit.responseStatus res @?= status200
let ts = S.concat . L.toChunks
liftIO $ ts (responseBody res) @?= ts lbs
mapM_ go
[ ["hello", "world"]
, replicate 500 "foo\003\n\r"
]
withCApp :: (Data.Conduit.Network.AppData -> IO ()) -> (Int -> IO ()) -> IO ()
withCApp app' f = do
port <- getPort
baton <- newEmptyMVar
let start = putMVar baton ()
#if MIN_VERSION_conduit(1,1,0)
settings :: ServerSettings
settings = setAfterBind (const start) (serverSettings port "*")
#else
settings :: ServerSettings IO
settings = (serverSettings port "*" :: ServerSettings IO) { serverAfterBind = const start }
#endif
bracket
(forkIO $ runTCPServer settings app' `onException` start)
killThread
(const $ takeMVar baton >> f port)
overLongHeaders :: (Int -> IO ()) -> IO ()
overLongHeaders =
withCApp $ \app' -> runConduit $ src .| appSink app'
where
src = sourceList $ "HTTP/1.0 200 OK\r\nfoo: " : repeat "bar"
notOverLongHeaders :: (Int -> IO ()) -> IO ()
notOverLongHeaders = withCApp $ \app' -> do
runConduit $ appSource app' .| CL.drop 1
runConduit $ src .| appSink app'
where
src = sourceList $ [S.concat $ "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 16384\r\n\r\n" : ( take 16384 $ repeat "x")]
redir :: (Int -> IO ()) -> IO ()
redir =
withApp' redirApp
where
redirApp port req =
case pathInfo req of
["redir", foo] -> return $ responseLBS status301
[ ("Location", S8.pack (concat ["http://127.0.0.1:", show port, "/content/"]) `S.append` escape foo)
]
""
["content", foo] -> return $ responseLBS status200 [] $ L.fromChunks [TE.encodeUtf8 foo]
_ -> return $ responseLBS status404 [] ""
escape = S8.concatMap (S8.pack . encodeUrlChar) . TE.encodeUtf8
encodeUrlChar :: Char -> String
encodeUrlChar c
-- List of unreserved characters per RFC 3986
-- Gleaned from http://en.wikipedia.org/wiki/Percent-encoding
| 'A' <= c && c <= 'Z' = [c]
| 'a' <= c && c <= 'z' = [c]
| '0' <= c && c <= '9' = [c]
encodeUrlChar c@'-' = [c]
encodeUrlChar c@'_' = [c]
encodeUrlChar c@'.' = [c]
encodeUrlChar c@'~' = [c]
encodeUrlChar y =
let (a, c) = fromEnum y `divMod` 16
b = a `mod` 16
showHex' x
| x < 10 = toEnum $ x + (fromEnum '0')
| x < 16 = toEnum $ x - 10 + (fromEnum 'A')
| otherwise = error $ "Invalid argument to showHex: " ++ show x
in ['%', showHex' b, showHex' c]
echo :: (Int -> IO ()) -> IO ()
echo = withApp $ \req -> do
bss <- runConduit $ sourceRequestBody req .| CL.consume
return $ responseLBS status200 [] $ L.fromChunks bss
noStatusMessage :: (Int -> IO ()) -> IO ()
noStatusMessage =
withCApp $ \app' -> runConduit $ src .| appSink app'
where
src = yield "HTTP/1.0 200\r\nContent-Length: 3\r\n\r\nfoo: barbazbin"
wrongLength :: (Int -> IO ()) -> IO ()
wrongLength =
withCApp $ \app' -> do
_ <- runConduit $ appSource app' .| await
runConduit $ src .| appSink app'
where
src = do
yield "HTTP/1.0 200 OK\r\nContent-Length: 50\r\n\r\n"
yield "Not quite 50 bytes"
wrongLengthChunk1 :: (Int -> IO ()) -> IO ()
wrongLengthChunk1 =
withCApp $ \app' -> do
_ <- runConduit $ appSource app' .| await
runConduit $ src .| appSink app'
where
src = yield "HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nWiki\r\n"
wrongLengthChunk2 :: (Int -> IO ()) -> IO ()
wrongLengthChunk2 =
withCApp $ \app' -> do
_ <- runConduit $ appSource app' .| await
runConduit $ src .| appSink app'
where
src = yield "HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nWiki\r\n5\r\npedia\r\nE\r\nin\r\n\r\nch\r\n"
invalidChunk :: (Int -> IO ()) -> IO ()
invalidChunk =
withCApp $ \app' -> do
_ <- runConduit $ appSource app' .| await
runConduit $ src .| appSink app'
where
src = yield "HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nabcd\r\ngarbage\r\nef\r\n0\r\n\r\n"
rawApp :: S8.ByteString -> (Int -> IO ()) -> IO ()
rawApp bs =
withCApp $ \app' -> do
_ <- runConduit $ appSource app' .| await
runConduit $ src .| appSink app'
where
src = yield bs
jsonApp :: (Int -> IO ()) -> IO ()
jsonApp = withApp $ \_req -> return $ responseLBS
status200
[ ("Content-Type", "application/json")
]
(A.encode jsonValue)
jsonValue :: A.Value
jsonValue = A.object
[ "name" A..= ("Alice" :: String)
, "age" A..= (35 :: Int)
]