) where
import Data.ByteString.Lazy (ByteString)
+import Data.Text as T (unpack)
+import Data.List.Split
+import Data.Char
import Data.Map as M (Map, lookup)
import Control.Applicative ((<$>), (<*>), empty)
import Data.Aeson
} deriving (Show, Eq)
instance FromJSON NmcDom where
+ -- Wherever we expect a domain object, there may be a string
+ -- containing IPv4 address. Interpret it as such.
+ -- Question: shall we try to recognize IPv6 addresses too?
+ parseJSON (String s) =
+ return $ if isIPv4 s'
+ then emptyNmcDom { domIp = Just [s'] }
+ else emptyNmcDom
+ where
+ s' = T.unpack s
+ isIPv4 x = all isNibble $ splitOn "." x
+ isNibble x =
+ if all isDigit x then (read x :: Int) < 256
+ else False
parseJSON (Object o) = NmcDom
<$> o .:? "service"
<*> o .:? "ip"
-- FIXME -- I hope there exists a better way to merge records!
mergeNmc :: NmcDom -> NmcDom -> NmcDom
-mergeNmc sub dom = dom { domService = choose dom domService sub
- , domIp = choose dom domIp sub
- , domIp6 = choose dom domIp6 sub
- , domTor = choose dom domTor sub
- , domI2p = choose dom domI2p sub
- , domFreenet = choose dom domFreenet sub
- , domAlias = choose dom domAlias sub
- , domTranslate = choose dom domTranslate sub
- , domEmail = choose dom domEmail sub
- , domLoc = choose dom domLoc sub
- , domInfo = choose dom domInfo sub
- , domNs = choose dom domNs sub
- , domDelegate = choose dom domDelegate sub
- , domImport = choose dom domImport sub
- , domFingerprint = choose dom domFingerprint sub
- , domTls = choose dom domTls sub
- , domDs = choose dom domDs sub
+mergeNmc sub dom = dom { domService = choose domService
+ , domIp = choose domIp
+ , domIp6 = choose domIp6
+ , domTor = choose domTor
+ , domI2p = choose domI2p
+ , domFreenet = choose domFreenet
+ , domAlias = choose domAlias
+ , domTranslate = choose domTranslate
+ , domEmail = choose domEmail
+ , domLoc = choose domLoc
+ , domInfo = choose domInfo
+ , domNs = choose domNs
+ , domDelegate = choose domDelegate
+ , domImport = choose domImport
+ , domFingerprint = choose domFingerprint
+ , domTls = choose domTls
+ , domDs = choose domDs
}
where
- choose :: NmcDom -> (NmcDom -> Maybe a) -> NmcDom -> Maybe a
- choose sub t dom = case t dom of
- Nothing -> t sub
+ choose :: (NmcDom -> Maybe a) -> Maybe a
+ choose field = case field dom of
+ Nothing -> field sub
Just x -> Just x