publish binary 0.9.0.1

[pdns-pipe-nmc.git] / NmcDom.hs

diff --git a/NmcDom.hs b/NmcDom.hs
index db600304df2a38a55bef100676ee969712bb26fe..505c5436cfccd4de417f2ae77fca3bb583727639 100644 (file)
--- a/NmcDom.hs
+++ b/NmcDom.hs
@@ -9,16 +9,16 @@ module NmcDom   ( NmcDom(..)
                 ) where
 
 import Prelude hiding (length)
-import Control.Applicative ((<$>), (<*>), empty, pure)
+import Control.Applicative ((<$>), (<*>), liftA2, empty, pure)
 import Data.Char
 import Data.Text (Text, unpack)
 import Data.List (union)
 import Data.List.Split
 import Data.Vector ((!), length)
 import qualified Data.Vector as V (singleton)
-import Data.Map (Map, unionWith)
-import qualified Data.Map as M (singleton, empty)
-import qualified Data.HashMap.Strict as H (lookup)
+import Data.Map (Map, unionWith, foldrWithKey)
+import qualified Data.Map as M (singleton, empty, insert, insertWith)
+import qualified Data.HashMap.Strict as H (lookup, foldrWithKey)
 import Data.Aeson
 import Data.Aeson.Types
 import Data.Default.Class
@@ -71,10 +71,24 @@ makeMx o =
     Just _ -> empty
 
 makeSubmap :: Object -> Parser (Maybe (Map String NmcDom))
-makeSubmap o = ((.).(.)) merge merge <$> takeTls o <*> takeSrv o <*> takeMap o
+makeSubmap o = takeTls o `fmerge` takeSrv o `fmerge` takeMap o
+  where fmerge = liftA2 merge
 
 takeMap :: Object -> Parser (Maybe (Map String NmcDom))
-takeMap o = o .:? "map"
+takeMap o =
+  case H.lookup "map" o of
+    Nothing          -> pure Nothing
+    Just (Object mo) -> H.foldrWithKey addmapentry (pure (Just M.empty)) mo
+      where
+        addmapentry "" v acc = parseJSON v >>= inject acc ""
+        addmapentry k  v acc = nest (splitOn "." (unpack k)) v acc
+        nest []     v acc = empty -- does not happen as a result of splitOn
+        nest [""]   v acc = empty -- empty element of fqdn forbidden
+        nest [d]    v acc = parseJSON v >>= inject acc d
+        nest (d:ds) v acc =
+          nest ds v acc >>= (inject acc d) . (\r -> def { domSubmap = r })
+        inject acc d r = (fmap.fmap) (M.insertWith merge d r) acc
+    _ -> empty
 
 takeSrv :: Object -> Parser (Maybe (Map String NmcDom))
 takeSrv o =
@@ -97,7 +111,24 @@ takeSrv o =
 
 -- takeTls is almost, but not quite, entirely unlike takeSrv
 takeTls :: Object -> Parser (Maybe (Map String NmcDom))
-takeTls o = o .:? "map" -- FIXME
+takeTls o =
+  case H.lookup "tls" o of
+    Nothing         -> pure Nothing
+    Just (Object t) ->
+      (parseJSON (Object t) :: Parser (Map String (Map String [NmcRRTlsa])))
+        >>= tmap2dmap
+          where
+            tmap2dmap :: Map String (Map String [NmcRRTlsa])
+                      -> Parser (Maybe (Map String NmcDom))
+            tmap2dmap m1 = return $ foldrWithKey addprotoelem (Just M.empty) m1
+            addprotoelem k1 m2 acc = protoelem k1 m2 `merge` acc
+            protoelem k1 m2 = Just (M.singleton ("_" ++ k1) (pmap2dmap m2))
+            pmap2dmap m2 = foldrWithKey addportelem def m2
+            addportelem k2 v acc = portelem k2 v `merge` acc
+            portelem k2 v =
+              def { domSubmap = Just (M.singleton ("_" ++ k2)
+                                      def { domTlsa = Just v }) }
+    Just _ -> empty
 
 class Mergeable a where
         merge :: a -> a -> a -- bias towads second arg
@@ -150,9 +181,21 @@ instance Mergeable NmcRRI2p where
 data NmcRRTlsa = NmcRRTlsa
                         { tlsMatchType  :: Int -- 0:exact 1:sha256 2:sha512
                         , tlsMatchValue :: String
-                        , tlsIncSubdoms :: Int -- 1:enforce on subdoms 0:no
+                        , tlsIncSubdoms :: Bool -- enforce on subdoms?
                         } deriving (Show, Eq)
 
+instance FromJSON NmcRRTlsa where
+        parseJSON (Array a) =
+                if length a == 3 then NmcRRTlsa
+                        <$> parseJSON (a ! 0)
+                        <*> parseJSON (a ! 1)
+                        <*> case (a ! 2) of
+                              Number 0 -> return False
+                              Number 1 -> return True
+                              _        -> empty
+                else empty
+        parseJSON _ = empty
+
 instance Mergeable NmcRRTlsa where
         merge _ b = b