module Rakka.Resource
( runIdempotentA
, runXmlA
+ , getEntityType
, outputXmlPage
+ , outputXmlPage'
+ , getUserID
)
where
import Network.HTTP.Lucu
import Network.HTTP.Lucu.Utils
import Network.URI hiding (path)
+import Rakka.Authorization
import Rakka.Environment
import Rakka.Validation
+import System.Log.Logger
import Text.XML.HXT.Arrow.ReadDocument
import Text.XML.HXT.Arrow.WriteDocument
import Text.XML.HXT.Arrow.XmlIOStateArrow
import Text.XML.HXT.DOM.XmlKeywords
+logger :: String
+logger = "Rakka.Resource"
+
+
-- "/" ==> "/"
-- "/foo" ==> "/foo.html"
-- "/foo/" ==> "/foo.html"
where
getXmlReader
= do req <- input defaultLimit
+ liftIO $ debugM logger req
return $ readString [ (a_validate , v_0)
, (a_check_namespaces , v_1)
, (a_remove_whitespace, v_0)
where
extMap :: [(String, MIMEType)]
extMap = [ ("html", read "application/xhtml+xml")
+ , ( "rdf", read "application/rss+xml" )
, ( "xml", read "text/xml" )
]
-outputXmlPage :: XmlTree -> IOSArrow XmlTree XmlTree -> Resource ()
-outputXmlPage tree toXHTML
+outputXmlPage :: XmlTree -> [(MIMEType, IOSArrow XmlTree XmlTree)] -> Resource ()
+outputXmlPage tree formatters
= do mType <- getEntityType
setContentType mType
- let formatter = case mType of
- MIMEType "application" "xhtml+xml" _ -> toXHTML
- MIMEType "text" "xml" _ -> this
- _ -> undefined
+ let formatter = case lookup mType formatters of
+ Just f -> f
+ Nothing -> this
[resultStr] <- liftIO $ runX ( setErrorMsgHandler False fail
>>>
constA tree
>>>
writeDocumentToString [ (a_indent, v_1) ]
)
- output resultStr
\ No newline at end of file
+ output resultStr
+
+
+outputXmlPage' :: XmlTree -> IOSArrow XmlTree XmlTree -> Resource ()
+outputXmlPage' tree toXHTML
+ = outputXmlPage tree [(MIMEType "application" "xhtml+xml" [], toXHTML)]
+
+
+getUserID :: Environment -> Resource (Maybe String)
+getUserID env
+ = do auth <- getAuthorization
+ case auth of
+ Just (BasicAuthCredential userID password)
+ -> do valid <- isValidPair (envAuthDB env) userID password
+ if valid then
+ return (Just userID)
+ else
+ return Nothing
+ _ -> return Nothing