1 {-# LANGUAGE OverloadedStrings #-}
3 module NmcJson ( NmcRes(..)
9 import Data.ByteString.Lazy (ByteString)
10 import Data.Text as T (unpack)
11 import Data.List.Split
13 import Data.Map as M (Map, lookup)
14 import Control.Applicative ((<$>), (<*>), empty)
17 data NmcRRService = NmcRRService -- unused
26 instance FromJSON NmcRRService where
27 parseJSON (Object o) = NmcRRService
36 data NmcRRI2p = NmcRRI2p
37 { i2pDestination :: String
42 instance FromJSON NmcRRI2p where
43 parseJSON (Object o) = NmcRRI2p
44 <$> o .: "destination"
49 data NmcDom = NmcDom { domService :: Maybe [[String]] -- [NmcRRService]
50 , domIp :: Maybe [String]
51 , domIp6 :: Maybe [String]
52 , domTor :: Maybe String
53 , domI2p :: Maybe NmcRRI2p
54 , domFreenet :: Maybe String
55 , domAlias :: Maybe String
56 , domTranslate :: Maybe String
57 , domEmail :: Maybe String
58 , domLoc :: Maybe String
59 , domInfo :: Maybe Value
60 , domNs :: Maybe [String]
61 , domDelegate :: Maybe [String]
62 , domImport :: Maybe [[String]]
63 , domMap :: Maybe (Map String NmcDom)
64 , domFingerprint :: Maybe [String]
65 , domTls :: Maybe (Map String
66 (Map String [[String]]))
67 , domDs :: Maybe [[String]]
70 instance FromJSON NmcDom where
71 -- Wherever we expect a domain object, there may be a string
72 -- containing IPv4 address. Interpret it as such.
73 -- Question: shall we try to recognize IPv6 addresses too?
74 parseJSON (String s) =
76 then emptyNmcDom { domIp = Just [s'] }
80 isIPv4 x = all isNibble $ splitOn "." x
82 if all isDigit x then (read x :: Int) < 256
84 parseJSON (Object o) = NmcDom
100 <*> o .:? "fingerprint"
105 emptyNmcDom = NmcDom Nothing Nothing Nothing Nothing Nothing Nothing
106 Nothing Nothing Nothing Nothing Nothing Nothing
107 Nothing Nothing Nothing Nothing Nothing Nothing
109 data NmcRes = NmcRes { resName :: String
110 , resValue :: ByteString -- string with NmcDom
112 , resAddress :: String
113 , resExpires_in :: Int
115 instance FromJSON NmcRes where
116 parseJSON (Object o) = NmcRes
121 <*> o .: "expires_in"
124 normalizeDom :: NmcDom -> NmcDom
126 | domNs dom /= Nothing = emptyNmcDom { domNs = domNs dom
127 , domEmail = domEmail dom
129 | domDelegate dom /= Nothing = emptyNmcDom -- FIXME
130 | domTranslate dom /= Nothing = dom { domMap = Nothing }
133 descendNmc :: [String] -> NmcDom -> NmcDom
134 descendNmc subdom rawdom =
135 let dom = normalizeDom rawdom
141 case M.lookup "" map of -- Stupid, but there are "" in the map
142 Nothing -> dom -- Try to merge it with the root data
143 Just sub -> mergeNmc sub dom -- Or maybe drop it altogether...
146 Nothing -> emptyNmcDom
148 case M.lookup d map of
149 Nothing -> emptyNmcDom
150 Just sub -> descendNmc ds sub
152 -- FIXME -- I hope there exists a better way to merge records!
153 mergeNmc :: NmcDom -> NmcDom -> NmcDom
154 mergeNmc sub dom = dom { domService = choose domService
155 , domIp = choose domIp
156 , domIp6 = choose domIp6
157 , domTor = choose domTor
158 , domI2p = choose domI2p
159 , domFreenet = choose domFreenet
160 , domAlias = choose domAlias
161 , domTranslate = choose domTranslate
162 , domEmail = choose domEmail
163 , domLoc = choose domLoc
164 , domInfo = choose domInfo
165 , domNs = choose domNs
166 , domDelegate = choose domDelegate
167 , domImport = choose domImport
168 , domFingerprint = choose domFingerprint
169 , domTls = choose domTls
170 , domDs = choose domDs
173 choose :: (NmcDom -> Maybe a) -> Maybe a
174 choose field = case field dom of