X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Lucu.git;a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FDefaultPage.hs;h=1ae5abd9589bd2f697f849b5f1189ecc6e0c3bcf;hp=e1bdf1ce6e3daeb34af5e7f3b07ccf955364265d;hb=3318fe0;hpb=ca338174155913a969808d7b20193973394e474e diff --git a/Network/HTTP/Lucu/DefaultPage.hs b/Network/HTTP/Lucu/DefaultPage.hs index e1bdf1c..1ae5abd 100644 --- a/Network/HTTP/Lucu/DefaultPage.hs +++ b/Network/HTTP/Lucu/DefaultPage.hs @@ -1,29 +1,27 @@ {-# LANGUAGE OverloadedStrings , RecordWildCards - , UnboxedTuples + , TypeOperators , UnicodeSyntax #-} module Network.HTTP.Lucu.DefaultPage ( getDefaultPage - , writeDefaultPage + , defaultPageContentType , mkDefaultPage ) where +import Blaze.ByteString.Builder (Builder) import qualified Blaze.ByteString.Builder.Char.Utf8 as BB import Control.Arrow import Control.Arrow.ArrowList import Control.Arrow.ListArrow import Control.Arrow.Unicode -import Control.Concurrent.STM -import Control.Monad +import Data.Ascii (Ascii) import qualified Data.Ascii as A import Data.Maybe import qualified Data.Text as T -import qualified Data.Text.Lazy as Lazy import Network.HTTP.Lucu.Config import Network.HTTP.Lucu.Headers -import Network.HTTP.Lucu.Interaction import Network.HTTP.Lucu.Request import Network.HTTP.Lucu.Response import Network.URI hiding (path) @@ -33,7 +31,7 @@ import Text.XML.HXT.Arrow.XmlArrow import Text.XML.HXT.Arrow.XmlState import Text.XML.HXT.DOM.TypeDefs -getDefaultPage ∷ Config → Maybe Request → Response → Lazy.Text +getDefaultPage ∷ Config → Maybe Request → Response → Builder {-# INLINEABLE getDefaultPage #-} getDefaultPage conf req res = let msgA = getMsg req res @@ -42,17 +40,17 @@ getDefaultPage conf req res writeDocumentToString [ withIndent True ] ) () in - Lazy.pack xmlStr + BB.fromString xmlStr -writeDefaultPage ∷ Interaction → STM () -writeDefaultPage (Interaction {..}) - -- Content-Type が正しくなければ補完できない。 - = do res ← readTVar itrResponse - when (getHeader "Content-Type" res ≡ Just defaultPageContentType) - $ do let page = getDefaultPage itrConfig itrRequest res - putTMVar itrBodyToSend (BB.fromLazyText page) +defaultPageContentType ∷ Ascii +{-# INLINE defaultPageContentType #-} +defaultPageContentType = "application/xhtml+xml" -mkDefaultPage ∷ (ArrowXml a) ⇒ Config → StatusCode → a b XmlTree → a b XmlTree +mkDefaultPage ∷ (ArrowXml (⇝), StatusCode sc) + ⇒ Config + → sc + → b ⇝ XmlTree + → b ⇝ XmlTree {-# INLINEABLE mkDefaultPage #-} mkDefaultPage conf status msgA = let sStr = A.toString $ A.fromAsciiBuilder $ printStatusCode status @@ -75,82 +73,71 @@ mkDefaultPage conf status msgA += eelem "hr" += ( eelem "address" += txt sig )))) -getMsg ∷ (ArrowXml a) ⇒ Maybe Request → Response → a b XmlTree +getMsg ∷ (ArrowXml (⇝)) ⇒ Maybe Request → Response → b ⇝ XmlTree {-# INLINEABLE getMsg #-} -getMsg req res - = case resStatus res of - -- 1xx は body を持たない - -- 2xx の body は補完しない - - -- 3xx - MovedPermanently - → txt ("The resource at " ⧺ path ⧺ " has been moved to ") - <+> - eelem "a" += sattr "href" loc - += txt loc - <+> - txt " permanently." - - Found - → txt ("The resource at " ⧺ path ⧺ " is currently located at ") - <+> - eelem "a" += sattr "href" loc - += txt loc - <+> - txt ". This is not a permanent relocation." - - SeeOther - → txt ("The resource at " ⧺ path ⧺ " can be found at ") - <+> - eelem "a" += sattr "href" loc - += txt loc - <+> - txt "." - - TemporaryRedirect - → txt ("The resource at " ⧺ path ⧺ " is temporarily located at ") - <+> - eelem "a" += sattr "href" loc - += txt loc - <+> - txt "." - - -- 4xx - BadRequest - → txt "The server could not understand the request you sent." - - Unauthorized - → txt ("You need a valid authentication to access " ⧺ path) - - Forbidden - → txt ("You don't have permission to access " ⧺ path) - - NotFound - → txt ("The requested URL " ⧺ path ⧺ " was not found on this server.") - - Gone - → txt ("The resource at " ⧺ path ⧺ " was here in past times, but has gone permanently.") - - RequestEntityTooLarge - → txt ("The request entity you sent for " ⧺ path ⧺ " was too large to accept.") - - RequestURITooLarge - → txt "The request URI you sent was too large to accept." - - -- 5xx - InternalServerError - → txt ("An internal server error has occured during the process of your request to " ⧺ path) - - ServiceUnavailable - → txt "The service is temporarily unavailable. Try later." - - _ → none - +getMsg req res@(Response {..}) + -- 1xx responses don't have a body. + -- 2xx responses don't need a body to be completed. + -- 3xx: + | resStatus ≈ MovedPermanently + = txt ("The resource at " ⧺ path ⧺ " has been moved to ") + <+> + eelem "a" += sattr "href" loc + += txt loc + <+> + txt " permanently." + + | resStatus ≈ Found + = txt ("The resource at " ⧺ path ⧺ " is currently located at ") + <+> + eelem "a" += sattr "href" loc + += txt loc + <+> + txt ". This is not a permanent relocation." + + | resStatus ≈ SeeOther + = txt ("The resource at " ⧺ path ⧺ " can be found at ") + <+> + eelem "a" += sattr "href" loc + += txt loc + <+> + txt "." + + | resStatus ≈ TemporaryRedirect + = txt ("The resource at " ⧺ path ⧺ " is temporarily located at ") + <+> + eelem "a" += sattr "href" loc + += txt loc + <+> + txt "." + + -- 4xx: + | resStatus ≈ BadRequest + = txt "The server could not understand the request you sent." + | resStatus ≈ Unauthorized + = txt ("You need a valid authentication to access " ⧺ path) + | resStatus ≈ Forbidden + = txt ("You don't have permission to access " ⧺ path) + | resStatus ≈ NotFound + = txt ("The requested URL " ⧺ path ⧺ " was not found on this server.") + | resStatus ≈ Gone + = txt ("The resource at " ⧺ path ⧺ " was here in past times, but has gone permanently.") + | resStatus ≈ RequestEntityTooLarge + = txt ("The request entity you sent for " ⧺ path ⧺ " was too large to accept.") + | resStatus ≈ RequestURITooLarge + = txt "The request URI you sent was too large to accept." + + -- 5xx: + | resStatus ≈ InternalServerError + = txt ("An internal server error has occured during the process of your request to " ⧺ path) + | resStatus ≈ ServiceUnavailable + = txt "The service is temporarily unavailable. Try later." + + | otherwise + = none where path ∷ String - path = let uri = reqURI $ fromJust req - in - uriPath uri + path = uriPath $ reqURI $ fromJust req loc ∷ String loc = A.toString $ fromJust $ getHeader "Location" res