module Main where
+import System.IO
import Control.Monad
-import qualified Data.ByteString.Char8 as C (pack, unpack)
-import qualified Data.ByteString.Lazy.Char8 as L (pack, unpack)
-import Data.ByteString.Lazy as BS hiding (reverse, putStrLn)
+import Data.ByteString.Lazy hiding (reverse, putStr, putStrLn)
+import qualified Data.ByteString.Char8 as C (pack)
+import qualified Data.ByteString.Lazy.Char8 as L (pack)
+import qualified Data.Text as T (pack)
import Data.List.Split
import Data.Aeson (encode, decode, Value(..))
import Network.HTTP.Types
import JsonRpcClient
import Config
import PowerDns
-import NmcJson
+import NmcRpc
+import NmcDom
confFile = "/etc/namecoin.conf"
-- HTTP/JsonRpc interface
-qReq :: Config -> ByteString -> ByteString -> Request m
+qReq :: Config -> String -> String -> Request m
qReq cf q id = applyBasicAuth (C.pack (rpcuser cf)) (C.pack (rpcpassword cf))
$ def { host = (C.pack (rpchost cf))
, port = (rpcport cf)
, requestBody = RequestBodyLBS $ encode $
JsonRpcRequest JsonRpcV1
"name_show"
- [q]
- (String "pdns-nmc")
+ [L.pack q]
+ (String (T.pack id))
, checkStatus = \_ _ _ -> Nothing
}
-qRsp :: Response ByteString -> Either String NmcDom
+qRsp :: Response ByteString -> Either String ByteString
qRsp rsp =
case parseJsonRpc (responseBody rsp) :: Either JsonRpcError NmcRes of
Left jerr ->
case (jrpcErrCode jerr) of
- -4 -> Right emptyNmcDom
+ -4 -> Right "{}" -- this is how non-existent entry is returned
_ -> Left $ "JsonRpc error response: " ++ (show jerr)
- Right jrsp ->
- case resValue jrsp of
- "" -> Right emptyNmcDom
- vstr ->
- case decode vstr :: Maybe NmcDom of
- Nothing -> Left $ "Unparseable value: " ++ (show vstr)
- Just dom -> Right dom
+ Right jrsp -> Right $ resValue jrsp
-- NMC interface
queryNmc :: Manager -> Config -> String -> String
-> IO (Either String NmcDom)
-queryNmc mgr cfg fqdn qid = do
+queryNmc mgr cfg qid fqdn =
case reverse (splitOn "." fqdn) of
- "bit":dn:xs -> do
- rsp <- runResourceT $
- httpLbs (qReq cfg (L.pack ("d/" ++ dn)) (L.pack qid)) mgr
+ "bit":dn:xs -> descendNmcDom queryOp xs $ seedNmcDom dn
+ _ -> return $ Left "Only \".bit\" domain is supported"
+ where
+ queryOp key = do
+ rsp <- runResourceT $ httpLbs (qReq cfg key qid) mgr
+ -- print $ qRsp rsp
return $ qRsp rsp
- _ ->
- return $ Left "Only \".bit\" domain is supported"
-- Main entry
cfg <- readConfig confFile
+ hSetBuffering stdin LineBuffering
+ hSetBuffering stdout LineBuffering
ver <- do
let
loopErr e = forever $ do
forever $ do
l <- getLine
case pdnsParse ver l of
- Left e -> putStrLn $ "ERROR\t" ++ e
+ Left e -> putStr $ pdnsReport e
Right preq -> do
case preq of
- PdnsRequestQ qname qtype id _ _ _ -> do
- ncres <- queryNmc mgr cfg qname id
- case ncres of
- Left e -> putStrLn $ "ERROR\t" ++ e
- Right dom -> putStrLn $ pdnsOut qtype dom
+ PdnsRequestQ qname qtype id _ _ _ ->
+ queryNmc mgr cfg id qname >>= putStr . (pdnsOut ver id qname qtype)
PdnsRequestAXFR xfrreq ->
- putStrLn ("ERROR\tNo support for AXFR " ++ xfrreq)
- PdnsRequestPing -> putStrLn "OK"
+ putStr $ pdnsReport ("No support for AXFR " ++ xfrreq)
+ PdnsRequestPing -> putStrLn "END"
-- for testing
ask str = do
cfg <- readConfig confFile
mgr <- newManager def
- ncres <- queryNmc mgr cfg str "test-req-id"
- case ncres of
- Left e -> putStrLn $ "ERROR\t" ++ e
- Right dom -> putStrLn $ pdnsOut RRTypeANY dom
+ queryNmc mgr cfg "askid" str >>= putStr . (pdnsOut 1 "askid" str RRTypeANY)