86 lines
2.2 KiB
Haskell
86 lines
2.2 KiB
Haskell
module Propellor.PrivData where
|
|
|
|
import qualified Data.Map as M
|
|
import Control.Applicative
|
|
import System.FilePath
|
|
import System.IO
|
|
import System.Directory
|
|
import Data.Maybe
|
|
import Control.Monad
|
|
|
|
import Propellor.Types
|
|
import Propellor.Property
|
|
import Utility.Monad
|
|
import Utility.PartialPrelude
|
|
import Utility.Exception
|
|
import Utility.Process
|
|
import Utility.Tmp
|
|
import Utility.SafeCommand
|
|
import Utility.Misc
|
|
|
|
-- | Note that removing or changing field names will break the
|
|
-- serialized privdata files, so don't do that!
|
|
-- It's fine to add new fields.
|
|
data PrivDataField
|
|
= DockerAuthentication
|
|
| SshPrivKey UserName
|
|
| Password UserName
|
|
deriving (Read, Show, Ord, Eq)
|
|
|
|
withPrivData :: PrivDataField -> (String -> IO Result) -> IO Result
|
|
withPrivData field a = maybe missing a =<< getPrivData field
|
|
where
|
|
missing = do
|
|
warningMessage $ "Missing privdata " ++ show field
|
|
return FailedChange
|
|
|
|
getPrivData :: PrivDataField -> IO (Maybe String)
|
|
getPrivData field = do
|
|
m <- catchDefaultIO Nothing $ readish <$> readFile privDataLocal
|
|
return $ maybe Nothing (M.lookup field) m
|
|
|
|
setPrivData :: HostName -> PrivDataField -> IO ()
|
|
setPrivData host field = do
|
|
putStrLn "Enter private data on stdin; ctrl-D when done:"
|
|
value <- hGetContentsStrict stdin
|
|
makePrivDataDir
|
|
let f = privDataFile host
|
|
m <- fromMaybe M.empty . readish <$> gpgDecrypt f
|
|
let m' = M.insert field value m
|
|
gpgEncrypt f (show m')
|
|
putStrLn "Private data set."
|
|
void $ boolSystem "git" [Param "add", File f]
|
|
|
|
makePrivDataDir :: IO ()
|
|
makePrivDataDir = createDirectoryIfMissing False privDataDir
|
|
|
|
privDataDir :: FilePath
|
|
privDataDir = "privdata"
|
|
|
|
privDataFile :: HostName -> FilePath
|
|
privDataFile host = privDataDir </> host ++ ".gpg"
|
|
|
|
privDataLocal :: FilePath
|
|
privDataLocal = privDataDir </> "local"
|
|
|
|
privDataMarker :: String
|
|
privDataMarker = "PRIVDATA "
|
|
|
|
gpgDecrypt :: FilePath -> IO String
|
|
gpgDecrypt f = ifM (doesFileExist f)
|
|
( readProcess "gpg" ["--decrypt", f]
|
|
, return ""
|
|
)
|
|
|
|
gpgEncrypt :: FilePath -> String -> IO ()
|
|
gpgEncrypt f s = do
|
|
encrypted <- writeReadProcessEnv "gpg"
|
|
[ "--default-recipient-self"
|
|
, "--armor"
|
|
, "--encrypt"
|
|
]
|
|
Nothing
|
|
(Just $ flip hPutStr s)
|
|
Nothing
|
|
viaTmp writeFile f encrypted
|