symantic-http (empty) → 0.0.0.20190324

raw patch · 7 files changed

+1403/−0 lines, 7 filesdep +basedep +bytestringdep +http-api-data

Dependencies added: base, bytestring, http-api-data, http-media, http-types, network-uri, stm, text, time, transformers

Files

• COPYING +674/−0
• Symantic/HTTP.hs +8/−0
• Symantic/HTTP/API.hs +361/−0
• Symantic/HTTP/MIME.hs +226/−0
• Symantic/HTTP/URI.hs +7/−0
• stack.yaml +5/−0
• symantic-http.cabal +122/−0

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Of course, your program's commands+might be different; for a GUI interface, you would use an "about box".++  You should also get your employer (if you work as a programmer) or school,+if any, to sign a "copyright disclaimer" for the program, if necessary.+For more information on this, and how to apply and follow the GNU GPL, see+<http://www.gnu.org/licenses/>.++  The GNU General Public License does not permit incorporating your program+into proprietary programs.  If your program is a subroutine library, you+may consider it more useful to permit linking proprietary applications with+the library.  If this is what you want to do, use the GNU Lesser General+Public License instead of this License.  But first, please read+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

@@ -0,0 +1,8 @@+module Symantic.HTTP+ ( module Symantic.HTTP.API+ , module Symantic.HTTP.MIME+ , module Symantic.HTTP.URI+ ) where+import Symantic.HTTP.API+import Symantic.HTTP.MIME+import Symantic.HTTP.URI

@@ -0,0 +1,361 @@+{-# LANGUAGE AllowAmbiguousTypes #-}+{-# LANGUAGE DefaultSignatures #-}+{-# LANGUAGE DeriveFunctor #-}+{-# LANGUAGE StrictData #-}+-- | Combinators to build a Web API.+module Symantic.HTTP.API where++import Control.Monad (Monad(..))+import Data.Bool+import Data.Either (Either(..))+import Data.Eq (Eq(..))+import Data.Functor (Functor)+import Data.Kind (Constraint)+import Data.Proxy (Proxy)+import Data.String (String)+import Data.Text (Text)+import Prelude (and)+import System.IO (IO)+import Text.Show (Show(..))+import qualified Data.ByteString as BS+import qualified Data.ByteString.Lazy as BSL+import qualified Network.HTTP.Types as HTTP++-- * Class 'Cat'+-- | A soft and cute animal asking strokes and croquettes.+-- Or rather here a composition of two combinators+-- (as in a category without an identity morphism).+--+-- Note that the order of combinators generally matters (the left one is applied first),+-- with the notable exception of the server instance+-- where some HTTP error codes must be prioritized.+class Cat repr where+	(<.>) :: repr a b -> repr b c -> repr a c; infixl 4 <.>+	-- (.>)  :: repr x y -> repr a c -> repr a c; infixl 4  .>++-- * Class 'Alt'+-- | There are two choices, either the right one or the left one.+-- The (':!:') data type will be used in the instances+-- to get multiple client callers or to supply multiple server handlers.+class Alt repr where+	{-+	type AltMerge repr :: * -> * -> *+	(<!>) :: repr a b -> repr c d -> repr (a:!:c) (AltMerge repr b d); infixl 3 <!>+	-}+	(<!>) :: repr a k -> repr b k -> repr (a:!:b) k; infixl 3 <!>+	-- try :: repr k k -> repr k k+	-- option :: k -> repr k k -> repr k k++-- ** Type (':!:')+-- | Like @(,)@ but @infixl@.+-- Used to get alternative commands from a 'Client'+-- or to supply alternative handlers to a 'Server'.+data (:!:) a b = a:!:b+infixl 3 :!:++-- * Class 'Pro'+-- | Mainly useful to write a combinator which is a specialization of another+-- (eg. 'queryFlag' wrt. 'queryParams'),+-- by calling it directly in the class declaration+-- instead of rewriting its logic in the instance declaration.+--+-- Because type @a@ is asked by a 'Client' but given to a 'Server',+-- both @a->b@ and @b->a@ are used. This is reminiscent of a 'Profunctor'.+-- Hence the names 'Pro' and 'dimap'.+class Pro repr where+	dimap :: (a -> b) -> (b -> a) -> repr (a -> k) k -> repr (b -> k) k++-- * Class 'HTTP_Path'+class HTTP_Path repr where+	type PathConstraint repr a :: Constraint+	type PathConstraint repr a = ()+	segment :: Segment -> repr k k+	capture' ::+	 PathConstraint repr a =>+	 Name -> repr (a -> k) k+	captureAll :: repr ([Segment] -> k) k++-- | Convenient wrapper of 'segment'.+(</>) :: Cat repr => HTTP_Path repr => Segment -> repr a b -> repr a b+(</>) n = (segment n <.>); infixr 5 </>++-- | Like 'capture'' but with the type variable 'a' first instead or 'repr'+-- so it can be passed using 'TypeApplications' without adding a @@_@ for 'repr'.+capture ::+ forall a k repr.+ HTTP_Path repr =>+ PathConstraint repr a =>+ Name -> repr (a -> k) k+capture = capture'+{-# INLINE capture #-}++type Segment = Text+type Path    = [Segment]+type Name    = String++-- * Class 'HTTP_Header'+class HTTP_Header repr where+	header :: HTTP.HeaderName -> repr (HeaderValue -> k) k++type HeaderValue = BS.ByteString++-- * Class 'HTTP_Body'+class HTTP_Body repr where+	type BodyArg repr a (ts::[*]) :: *+	type BodyConstraint repr a (ts::[*]) :: Constraint+	type BodyConstraint repr a ts = ()+	body' ::+	 forall a (ts::[*]) k.+	 BodyConstraint repr a ts =>+	 repr (BodyArg repr a ts -> k) k++-- | Like 'body'' but with the type variables 'a' and 'ts' first instead or 'repr',+-- so it can be passed using 'TypeApplications' without adding a @@_@ for 'repr'.+body ::+ forall a ts k repr.+ HTTP_Body repr =>+ BodyConstraint repr a ts =>+ repr (BodyArg repr a ts -> k) k+body = body' @repr @a @ts+{-# INLINE body #-}++-- * Class 'HTTP_BodyStream'+class HTTP_BodyStream repr where+	type BodyStreamArg repr as (ts::[*]) framing :: *+	type BodyStreamConstraint repr as (ts::[*]) framing :: Constraint+	type BodyStreamConstraint repr as ts framing = ()+	bodyStream' ::+	 BodyStreamConstraint repr as ts framing =>+	 repr (BodyStreamArg repr as ts framing -> k) k++-- | Like 'bodyStream'' but with the type variables 'as', 'ts' and 'framing'+-- first instead or 'repr', so it can be passed using 'TypeApplications'+-- without adding a @@_@ for 'repr'.+bodyStream ::+ forall as ts framing k repr.+ HTTP_BodyStream repr =>+ BodyStreamConstraint repr as ts framing =>+ repr (BodyStreamArg repr as ts framing -> k) k+bodyStream = bodyStream' @repr @as @ts @framing+{-# INLINE bodyStream #-}++-- * Class 'HTTP_Query'+class HTTP_Query repr where+	type QueryConstraint repr a :: Constraint+	type QueryConstraint repr a = ()+	queryParams' ::+	 QueryConstraint repr a =>+	 QueryName -> repr ([a] -> k) k+	queryFlag ::+	 QueryConstraint repr Bool =>+	 QueryName -> repr (Bool -> k) k+	default queryFlag ::+	 Pro repr =>+	 QueryConstraint repr Bool =>+	 QueryName -> repr (Bool -> k) k+	queryFlag n = dimap and return (queryParams' n)+type QueryName   = BS.ByteString+type QueryValue  = BS.ByteString++-- | Like 'capture'' but with the type variable 'a' first instead or 'repr'+-- so it can be passed using 'TypeApplications' without adding a @@_@ for 'repr'.+queryParams ::+ forall a k repr.+ HTTP_Query repr =>+ QueryConstraint repr a =>+ QueryName -> repr ([a] -> k) k+queryParams = queryParams'+{-# INLINE queryParams #-}++-- * Class 'HTTP_BasicAuth'+-- | <https://tools.ietf.org/html/rfc2617#section-2 Basic Access Authentication>+class HTTP_BasicAuth repr where+	type BasicAuthConstraint repr a :: Constraint+	type BasicAuthConstraint repr a = ()+	type BasicAuthArgs repr a k :: *+	basicAuth' ::+	 BasicAuthConstraint repr a =>+	 BasicAuthRealm -> repr (BasicAuthArgs repr a k) k++-- | Like 'basicAuth'' but with the type variable 'a' first instead or 'repr'+-- so it can be passed using 'TypeApplications' without adding a @@_@ for 'repr'.+basicAuth ::+ forall a k repr.+ HTTP_BasicAuth repr =>+ BasicAuthConstraint repr a =>+ BasicAuthRealm ->+ repr (BasicAuthArgs repr a k) k+basicAuth = basicAuth' @repr @a @k+{-# INLINE basicAuth #-}++-- ** Type 'BasicAuth'+data BasicAuth usr+ =   BasicAuth_Authorized usr+ |   BasicAuth_BadPassword+ |   BasicAuth_NoSuchUser+ |   BasicAuth_Unauthorized+ deriving (Eq, Show, Functor)++type BasicAuthRealm = Text+type BasicAuthUser  = Text+type BasicAuthPass  = Text++-- * Class 'HTTP_Version'+class HTTP_Version repr where+	version :: HTTP.HttpVersion -> repr k k++{- TODO: see if this is useful somewhere.+-- * Class 'HTTP_Status'+class HTTP_Status repr where+	status :: StatusIs -> repr (HTTP.Status -> k) k++-- ** Type 'StatusIs'+data StatusIs+   = StatusIsInformational+   | StatusIsSuccessful+   | StatusIsRedirection+   | StatusIsClientError+   | StatusIsServerError+   | StatusIs HTTP.Status+   deriving (Eq, Ord, Show)+statusIs :: StatusIs -> (HTTP.Status -> Bool)+statusIs = \case+ StatusIsInformational -> HTTP.statusIsInformational+ StatusIsSuccessful    -> HTTP.statusIsSuccessful+ StatusIsRedirection   -> HTTP.statusIsRedirection+ StatusIsClientError   -> HTTP.statusIsClientError+ StatusIsServerError   -> HTTP.statusIsServerError+ StatusIs x            -> \y -> HTTP.statusCode x == HTTP.statusCode y+-}++-- * Class 'HTTP_Response'+class HTTP_Response repr where+	type ResponseConstraint repr a (ts::[*]) :: Constraint+	type ResponseConstraint repr a ts = ()+	type ResponseArgs repr a (ts::[*]) :: *+	type Response repr :: *+	response ::+	 ResponseConstraint repr a ts =>+	 HTTP.Method ->+	 repr (ResponseArgs repr a ts)+	      (Response repr)++-- | Wrap 'response' by giving it the corresponding 'HTTP.Method',+-- and put the type variables 'a' then 'ts' first instead or 'repr'+-- so they can be passed using 'TypeApplications'+-- without adding a |@_| for 'repr'.+get,head,put,post,delete,trace,connect,options,patch ::+ forall a ts repr.+ HTTP_Response repr =>+ ResponseConstraint repr a ts =>+ repr (ResponseArgs repr a ts)+      (Response repr)+get     = response @repr @a @ts HTTP.methodGet+head    = response @repr @a @ts HTTP.methodHead+put     = response @repr @a @ts HTTP.methodPut+post    = response @repr @a @ts HTTP.methodPost+delete  = response @repr @a @ts HTTP.methodDelete+trace   = response @repr @a @ts HTTP.methodTrace+connect = response @repr @a @ts HTTP.methodConnect+options = response @repr @a @ts HTTP.methodOptions+patch   = response @repr @a @ts HTTP.methodPatch+{-# INLINE get     #-}+{-# INLINE head    #-}+{-# INLINE put     #-}+{-# INLINE post    #-}+{-# INLINE delete  #-}+{-# INLINE trace   #-}+{-# INLINE connect #-}+{-# INLINE options #-}+{-# INLINE patch   #-}++-- * Class 'HTTP_ResponseStream'+class HTTP_ResponseStream repr where+	type ResponseStreamConstraint repr as (ts::[*]) framing :: Constraint+	type ResponseStreamConstraint repr as ts framing = ()+	type ResponseStreamArgs repr as (ts::[*]) framing :: *+	type ResponseStream repr :: *+	responseStream ::+	 ResponseStreamConstraint repr as ts framing =>+	 HTTP.Method ->+	 repr (ResponseStreamArgs repr as ts framing)+	      (ResponseStream repr)++getStream,headStream,putStream,postStream,deleteStream,traceStream,connectStream,optionsStream,patchStream ::+ forall as ts framing repr.+ HTTP_ResponseStream repr =>+ ResponseStreamConstraint repr as ts framing =>+ repr (ResponseStreamArgs repr as ts framing)+      (ResponseStream repr)+getStream     = responseStream @repr @as @ts @framing HTTP.methodGet+headStream    = responseStream @repr @as @ts @framing HTTP.methodHead+putStream     = responseStream @repr @as @ts @framing HTTP.methodPut+postStream    = responseStream @repr @as @ts @framing HTTP.methodPost+deleteStream  = responseStream @repr @as @ts @framing HTTP.methodDelete+traceStream   = responseStream @repr @as @ts @framing HTTP.methodTrace+connectStream = responseStream @repr @as @ts @framing HTTP.methodConnect+optionsStream = responseStream @repr @as @ts @framing HTTP.methodOptions+patchStream   = responseStream @repr @as @ts @framing HTTP.methodPatch+{-# INLINE getStream     #-}+{-# INLINE headStream    #-}+{-# INLINE putStream     #-}+{-# INLINE postStream    #-}+{-# INLINE deleteStream  #-}+{-# INLINE traceStream   #-}+{-# INLINE connectStream #-}+{-# INLINE optionsStream #-}+{-# INLINE patchStream   #-}++-- * Framing+-- ** Type family 'FramingMonad'+type family FramingMonad  p :: * -> *+-- ** Type family 'FramingYield'+type family FramingYield  p :: *+-- ** Type family 'FramingReturn'+type family FramingReturn p :: *++-- ** Class 'FramingEncode'+class FramingEncode framing p where+	framingEncode ::+	 Proxy framing ->+	 {-mimeEncode-}(FramingYield p -> BSL.ByteString) ->+	 p -> IO (Either (FramingReturn p) (BSL.ByteString, p))++-- ** Class 'FramingDecode'+class FramingDecode framing p where+	framingDecode ::+	 FramingMonad p ~ m =>+	 Monad m =>+	 Proxy framing ->+	 {-mimeDecode-}(BSL.ByteString -> Either String (FramingYield p)) ->+	 m BS.ByteString -> p++-- ** Type 'NoFraming'+-- | A framing strategy that does not do any framing at all,+-- it just passes the input data.+-- Most of the time this will be used with binary data, such as files.+data NoFraming++-- ** Type 'NewlineFraming'+-- | A simple framing strategy that has no header,+-- and inserts a newline character after each frame.+-- WARNING: this assumes that it is used with a Content-Type+-- that encodes without newlines (e.g. JSON).+data NewlineFraming++-- ** Type 'NetstringFraming'+-- | The netstring framing strategy as defined by djb:+-- <http://cr.yp.to/proto/netstrings.txt>+--+-- Any string of 8-bit bytes may be encoded as @[len]":"[string]","@.  Here+-- @[string]@ is the string and @[len]@ is a nonempty sequence of ASCII digits+-- giving the length of @[string]@ in decimal. The ASCII digits are @<30>@ for+-- 0, @<31>@ for 1, and so on up through @<39>@ for 9. Extra zeros at the front+-- of @[len]@ are prohibited: @[len]@ begins with @<30>@ exactly when+-- @[string]@ is empty.+--+-- For example, the string @"hello world!"@ is encoded as+-- @<31 32 3a 68 65 6c 6c 6f 20 77 6f 72 6c 64 21 2c>@,+-- i.e., @"12:hello world!,"@.+-- The empty string is encoded as @"0:,"@.+data NetstringFraming

@@ -0,0 +1,226 @@+{-# LANGUAGE ConstraintKinds #-}+{-# LANGUAGE KindSignatures #-}+{-# LANGUAGE GADTs #-}+{-# LANGUAGE OverloadedStrings #-}+module Symantic.HTTP.MIME where++import Control.Arrow (left)+import Data.Either (Either(..))+import Data.Function (($), (.), id)+import Data.Foldable (toList)+import Data.Functor ((<$>))+import Data.Int (Int)+import Data.Kind (Constraint)+import Data.List.NonEmpty (NonEmpty(..))+import Data.Maybe (Maybe(..))+import Data.Proxy (Proxy(..))+import Data.Semigroup (Semigroup(..))+import Data.String (String)+import Data.Tuple (fst, snd)+import Data.Typeable (Typeable)+import Text.Read (readMaybe)+import Text.Show (Show(..))+import qualified Data.ByteString as BS+import qualified Data.ByteString.Lazy as BSL+import qualified Data.ByteString.Lazy.Char8 as BLC+import qualified Data.Text as T+import qualified Data.Text.Encoding as T+import qualified Data.Text.Lazy as TL+import qualified Data.Text.Lazy.Encoding as TL+import qualified Network.HTTP.Media as Media+import qualified Web.FormUrlEncoded as Web++-- * Class 'MediaTypeFor'+class MediaTypeFor t where+	mediaTypeFor  :: Proxy t -> MediaType+	mediaTypesFor :: Proxy t -> NonEmpty MediaType+	mediaTypesFor t = mediaTypeFor t:|[]+instance MediaTypeFor () where+	mediaTypeFor _t = mimeAny++-- ** Type 'MediaType'+type MediaType = Media.MediaType+mediaType :: forall t. MediaTypeFor t => MediaType+mediaType = mediaTypeFor (Proxy @t)+{-# INLINE mediaType #-}++-- ** Type 'MediaTypes'+type MediaTypes = NonEmpty MediaType+mediaTypes :: forall ts c. MimeTypes ts c => MediaTypes+mediaTypes = fst <$> mimeTypesMap @ts @c+{-# INLINE mediaTypes #-}++charsetUTF8 :: MediaType -> MediaType+charsetUTF8 = (Media./: ("charset", "utf-8"))++mimeAny :: MediaType+mimeAny = "*/*"++-- ** Type 'JSON'+data JSON deriving (Typeable)+instance MediaTypeFor JSON where+	mediaTypeFor _t = charsetUTF8 $ "application"Media.//"json"+	mediaTypesFor t = mediaTypeFor t :| ["application"Media.//"json"]++-- ** Type 'HTML'+data HTML deriving (Typeable)+instance MediaTypeFor HTML where+	mediaTypeFor _t = charsetUTF8 $ "text"Media.//"html"+	mediaTypesFor t = mediaTypeFor t :| ["text"Media.//"html"]++-- ** Type 'FormUrlEncoded'+data FormUrlEncoded deriving (Typeable)+instance MediaTypeFor FormUrlEncoded where+	mediaTypeFor _t = "application"Media.//"x-www-form-urlencoded"++-- ** Type 'OctetStream'+data OctetStream deriving (Typeable)+instance MediaTypeFor OctetStream where+	mediaTypeFor _t = "application"Media.//"octet-stream"++-- ** Type 'PlainText'+data PlainText deriving (Typeable)+instance MediaTypeFor PlainText where+	mediaTypeFor _t = charsetUTF8 $ "text"Media.//"plain"++-- * Type 'MimeType'+-- | Existentially wraps a type-level type 't'+-- with a proof it respects 'Constraint' 'c'.+-- Usyally 'c' is @'MimeEncodable' a@ or @'MimeDecodable' a@.+data MimeType c where+	MimeType :: (c t, MediaTypeFor t) => Proxy t -> MimeType c+mimeType :: forall t c. MediaTypeFor t => c t => MimeType c+mimeType = MimeType (Proxy @t)+{-# INLINE mimeType #-}++-- ** Type 'MimeTypeTs'+type MimeTypeTs c = NonEmpty (MimeType c)+mimeTypes :: forall ts c. MimeTypes ts c => NonEmpty (MimeType c)+mimeTypes = snd <$> mimeTypesMap @ts @c+{-# INLINE mimeTypes #-}++-- * Class 'MimeTypes'+-- | Implicitely generate 'MediaType's and 'MimeType's+-- from given type-level list of types.+class MimeTypes (ts::[*]) (c:: * -> Constraint) where+	mimeTypesMap :: NonEmpty (MediaType, MimeType c)+-- | Single 'MimeType'.+instance+ (MediaTypeFor t, c t) =>+ MimeTypes '[t] c where+	mimeTypesMap =+		(, MimeType @c @t Proxy)+		 <$> mediaTypesFor (Proxy @t)+-- | More than one 'MimeType'.+instance+ ( MediaTypeFor t+ , MimeTypes (t1 ':ts) c+ , c t+ ) =>+ MimeTypes (t ': t1 ': ts) c where+	mimeTypesMap =+		((, MimeType @c @t Proxy)+		 <$> mediaTypesFor (Proxy @t))+		 <> mimeTypesMap @(t1 ':ts) @c++matchAccept ::+ forall ts c. MimeTypes ts c =>+ BS.ByteString -> Maybe (MimeType c)+matchAccept = Media.mapAccept (toList $ mimeTypesMap @ts @c)++matchContent ::+ forall ts c. MimeTypes ts c =>+ BS.ByteString -> Maybe (MimeType c)+matchContent = Media.mapContent (toList $ mimeTypesMap @ts @c)++-- * Type 'MimeEncodable'+class MediaTypeFor t => MimeEncodable a t where+	mimeEncode :: Proxy t -> MimeEncoder a+instance MimeEncodable () PlainText where+	mimeEncode _ () = BLC.pack ""+-- | @BSL.fromStrict . T.encodeUtf8@+instance MimeEncodable String PlainText where+	mimeEncode _ = BLC.pack+instance MimeEncodable T.Text PlainText where+	mimeEncode _ = BSL.fromStrict . T.encodeUtf8+instance MimeEncodable TL.Text PlainText where+	mimeEncode _ = TL.encodeUtf8+instance MimeEncodable BS.ByteString OctetStream where+	mimeEncode _ = BSL.fromStrict+instance MimeEncodable BSL.ByteString OctetStream where+	mimeEncode _ = id+instance MimeEncodable Int PlainText where+	mimeEncode _ = TL.encodeUtf8 . TL.pack . show+-- | @Web.urlEncodeAsForm@+-- Note that the @mimeDecode p (mimeEncode p x) == Right x@ law only+-- holds if every element of x is non-null (i.e., not @("", "")@)+instance Web.ToForm a => MimeEncodable a FormUrlEncoded where+	mimeEncode _ = Web.urlEncodeAsForm+{-+-- | `encode`+instance {-# OVERLAPPABLE #-}+         ToJSON a => MimeEncodable JSON a where+	mimeEncode _ = encode+-}++-- ** Type 'MimeEncoder'+type MimeEncoder a = a -> BSL.ByteString++-- * Type 'MimeDecodable'+class MediaTypeFor mt => MimeDecodable a mt where+	mimeDecode :: Proxy mt -> MimeDecoder a+	-- mimeDecode p = mimeUnserializeWithType p (mimeType p)++-- ** Type 'MimeDecoder'+type MimeDecoder a = BSL.ByteString -> Either String a++instance MimeDecodable () PlainText where+	mimeDecode _ bsl =+		if BLC.null bsl+		then Right ()+		else Left "not empty"+instance MimeDecodable String PlainText where+	mimeDecode _ = Right . BLC.unpack+instance MimeDecodable T.Text PlainText where+	mimeDecode _ = left show . T.decodeUtf8' . BSL.toStrict+instance MimeDecodable TL.Text PlainText where+	mimeDecode _ = left show . TL.decodeUtf8'+instance MimeDecodable BS.ByteString OctetStream where+	mimeDecode _ = Right . BSL.toStrict+instance MimeDecodable BSL.ByteString OctetStream where+	mimeDecode _ = Right+instance MimeDecodable Int PlainText where+	mimeDecode _mt bsl =+		let s = TL.unpack $ TL.decodeUtf8 bsl in+		case readMaybe s of+		 Just n -> Right n+		 _ -> Left $ "cannot parse as Int: "<>s+-- | @Web.urlDecodeAsForm@+-- Note that the @mimeDecode p (mimeEncode p x) == Right x@ law only+-- holds if every element of x is non-null (i.e., not @("", "")@)+instance Web.FromForm a => MimeDecodable a FormUrlEncoded where+	mimeDecode _ = left T.unpack . Web.urlDecodeAsForm+{-+-- | Like 'Data.Aeson.eitherDecode' but allows all JSON values instead of just+-- objects and arrays.+--+-- Will handle trailing whitespace, but not trailing junk. ie.+--+-- >>> eitherDecodeLenient "1 " :: Either String Int+-- Right 1+--+-- >>> eitherDecodeLenient "1 junk" :: Either String Int+-- Left "trailing junk after valid JSON: endOfInput"+eitherDecodeLenient :: FromJSON a => ByteString -> Either String a+eitherDecodeLenient input =+    parseOnly parser (cs input) >>= parseEither parseJSON+  where+    parser = skipSpace+               *> Data.Aeson.Parser.value+              <*  skipSpace+              <*  (endOfInput <?> "trailing junk after valid JSON")++-- | `eitherDecode`+instance FromJSON a => MimeDecodable JSON a where+	mimeDecode _ = eitherDecodeLenient+-}

@@ -0,0 +1,7 @@+{-# OPTIONS_GHC -fno-warn-orphans #-}+module Symantic.HTTP.URI+ ( URI(..)+ , URIAuth(..)+ , parseURI+ ) where+import Network.URI

@@ -0,0 +1,5 @@+resolver: lts-12.26+packages:+- '.'+extra-deps:+- http-api-data-0.4@sha256:ad69f7cd0d1e7723abfbed6f88ac987bdf75a402b29de161eb867c6131c9d427

@@ -0,0 +1,122 @@+name: symantic-http+-- PVP:  +-+------- breaking API changes+--       | | +----- non-breaking API additions+--       | | | +--- code changes with no API change+version: 0.0.0.20190324+category: Protocol+synopsis: Symantic combinators for deriving clients or a server from an HTTP API+description:+  An extensible, typed and embedded Domain-Specific Language (DSL)+  to build Web services using a write-an-API-then-derive-code-from-it approach+  as in <https://hackage.haskell.org/package/servant servant>'s,+  but with term-level combinators instead of type-level combinators.+  .+  In this approach, writting an API can be understood+  like the writing of a printf's or scanf's format:+  such that deriving a client is like calling printf on both this format+  and arguments type-checking against the given format,+  and deriving a server is like calling scanf on both this format+  and handlers type-checking against the given format.+  .+  * For building an HTTP client (request building and response decoding)+    based upon <https://hackage.haskell.org/package/http-client http-client>,+    see <https://hackage.haskell.org/package/symantic-http-client symantic-http-client>.+  * For building an HTTP server (request routing and response building)+    based upon <https://hackage.haskell.org/package/warp warp>,+    see <https://hackage.haskell.org/package/symantic-http-server symantic-http-server>.+  * For streaming data (running effects (eg. in IO) during the transfer)+    using <https://hackage.haskell.org/package/pipes pipes>,+    see <https://hackage.haskell.org/package/symantic-http-pipes symantic-http-pipes>.+  .+  For learning how to use this library, you can read the demo example+  in <https://hackage.haskell.org/package/symantic-http-demo symantic-http-demo>.+  .+  WARNING: Be aware that this library is young+  (thus its interface can change without warnings and delays),+  has no community explicitely committed to support it (thus can die without warning),+  is poorly tested (thus even less ready for serious work),+  and — last but not least — is yours as a common for the commons+  (with the help of its <http://www.gnu.org/licenses GNU GPLv3> license).+  .+  Users of this library can be grateful to the <https://hackage.haskell.org/package/servant servant>'s contributors+  whose work was helpful to have a concrete overview+  of the functionnalities this library could attain,+  and thank <http://okmij.org Oleg Kiselyov> whose (once again) mind-blowing (co-)work+  on <http://okmij.org/ftp/typed-formatting/ typed formatting>+  was helpful to overcome the limitation+  of <http://okmij.org/ftp/tagless-final/ one-type-parameter symantics>.+  Indeed the fundamental observation upon which this library is built+  is that <http://okmij.org/ftp/tagless-final/ one-type-parameter symantics> (repr a)+  (aka. Tagless-Final typed DSL — basically just a clever use of type classes and instances)+  can be augmented with an extension type (repr (a -> k) k)+  extending a function to the right — while forming a category.+  Which makes term-level combinators able to add arguments to a function+  within the type they will be instantiated to (repr),+  such that this library's combinators+  (that you can extend by just writing a new type class)+  can be used to write an API instantiable as:+  a function asking arguments to generate a client's request,+  or a function asking handlers to generate a server's response,+  or some documentation type, or any other type+  for which you can write the type class instances+  required by the API combinators you use.+extra-doc-files:+license: GPL-3+license-file: COPYING+stability: experimental+author:      Julien Moutinho <julm+symantic-http@autogeree.net>+maintainer:  Julien Moutinho <julm+symantic-http@autogeree.net>+bug-reports: Julien Moutinho <julm+symantic-http@autogeree.net>+-- homepage:++build-type: Simple+cabal-version: 1.24+tested-with: GHC==8.4.4+extra-source-files:+  stack.yaml+extra-tmp-files:++Source-Repository head+  location: git://git.autogeree.net/symantic-http+  type:     git++Library+  exposed-modules:+    Symantic.HTTP+    Symantic.HTTP.API+    Symantic.HTTP.MIME+    Symantic.HTTP.URI+  default-language: Haskell2010+  default-extensions:+    AllowAmbiguousTypes+    DataKinds+    FlexibleContexts+    FlexibleInstances+    InstanceSigs+    LambdaCase+    MultiParamTypeClasses+    NamedFieldPuns+    NoImplicitPrelude+    RecordWildCards+    ScopedTypeVariables+    TupleSections+    TypeApplications+    TypeFamilies+    TypeOperators+  ghc-options:+    -Wall+    -Wincomplete-uni-patterns+    -Wincomplete-record-updates+    -fno-warn-tabs+    -- -fhide-source-paths+  build-depends:+      base >= 4.10 && < 5+    , bytestring >= 0.10+    , http-api-data >= 0.4+    , http-media >= 0.7+    , http-types >= 0.12+    , network-uri >= 2.6+    , stm >= 2.4.5+    , text >= 1.2+    , time >= 1.8+    , transformers >= 0.5