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-rw-r--r--src/PubKey.hs22
-rw-r--r--src/Storage.hs49
-rw-r--r--src/Storage/Internal.hs57
-rw-r--r--src/Storage/Key.hs36
4 files changed, 108 insertions, 56 deletions
diff --git a/src/PubKey.hs b/src/PubKey.hs
index 787ada3..0022343 100644
--- a/src/PubKey.hs
+++ b/src/PubKey.hs
@@ -1,7 +1,7 @@
module PubKey (
PublicKey, SecretKey,
+ KeyPair(generateKeys), loadKey,
Signature(sigKey), Signed, signedData, signedSignature,
- generateKeys,
sign, signAdd,
) where
@@ -11,10 +11,12 @@ import Control.Monad.Except
import Crypto.Error
import qualified Crypto.PubKey.Ed25519 as ED
+import Data.ByteArray
import Data.ByteString (ByteString)
import qualified Data.Text as T
import Storage
+import Storage.Key
data PublicKey = PublicKey ED.PublicKey
deriving (Show)
@@ -39,6 +41,17 @@ signedData = signedData_
signedSignature :: Signed a -> [Stored Signature]
signedSignature = signedSignature_
+instance KeyPair SecretKey PublicKey where
+ keyGetPublic (SecretKey _ pub) = pub
+ keyGetData (SecretKey sec _) = convert sec
+ keyFromData kdata spub = SecretKey <$> maybeCryptoError (ED.secretKey kdata) <*> pure spub
+ generateKeys st = do
+ secret <- ED.generateSecretKey
+ public <- wrappedStore st $ PublicKey $ ED.toPublic secret
+ let pair = SecretKey secret public
+ storeKey pair
+ return (pair, public)
+
instance Storable PublicKey where
store' (PublicKey pk) = storeRec $ do
storeText "type" $ T.pack "ed25519"
@@ -76,13 +89,6 @@ instance Storable a => Storable (Signed a) where
throwError "signature verification failed"
return $ Signed sdata sigs
-
-generateKeys :: Storage -> IO (SecretKey, Stored PublicKey)
-generateKeys st = do
- secret <- ED.generateSecretKey
- public <- wrappedStore st $ PublicKey $ ED.toPublic secret
- return (SecretKey secret public, public)
-
sign :: SecretKey -> Stored a -> IO (Signed a)
sign secret val = signAdd secret $ Signed val []
diff --git a/src/Storage.hs b/src/Storage.hs
index 25c7a75..caf9d30 100644
--- a/src/Storage.hs
+++ b/src/Storage.hs
@@ -51,7 +51,6 @@ import qualified Codec.MIME.Type as MIME
import qualified Codec.MIME.Parse as MIME
import Control.Arrow
-import Control.Exception
import Control.Monad
import Control.Monad.Except
import Control.Monad.Reader
@@ -86,16 +85,10 @@ import Data.Time.Format
import Data.Time.LocalTime
import System.Directory
-import System.FilePath
-import System.IO
import System.IO.Unsafe
-import System.Posix.Files
-import System.Posix.IO
-import System.Posix.Types
+import Storage.Internal
-data Storage = Storage FilePath
- deriving (Eq, Ord)
openStorage :: FilePath -> IO Storage
openStorage path = do
@@ -325,46 +318,6 @@ replaceHead obj prev = do
showRefL ref = showRef ref `B.append` BC.singleton '\n'
-openFdParents :: FilePath -> OpenMode -> Maybe FileMode -> OpenFileFlags -> IO Fd
-openFdParents path omode fmode flags = do
- createDirectoryIfMissing True (takeDirectory path)
- openFd path omode fmode flags
-
-writeFileOnce :: FilePath -> BL.ByteString -> IO ()
-writeFileOnce file content = bracket
- (fdToHandle =<< openFdParents locked WriteOnly (Just $ unionFileModes ownerReadMode ownerWriteMode) (defaultFileFlags { exclusive = True }))
- hClose $ \h -> do
- fileExist file >>= \case
- True -> removeLink locked
- False -> do BL.hPut h content
- rename locked file
- where locked = file ++ ".lock"
-
-writeFileChecked :: FilePath -> Maybe ByteString -> ByteString -> IO (Either (Maybe ByteString) ())
-writeFileChecked file prev content = bracket
- (fdToHandle =<< openFdParents locked WriteOnly (Just $ unionFileModes ownerReadMode ownerWriteMode) (defaultFileFlags { exclusive = True }))
- hClose $ \h -> do
- (prev,) <$> fileExist file >>= \case
- (Nothing, True) -> do
- current <- B.readFile file
- removeLink locked
- return $ Left $ Just current
- (Nothing, False) -> do B.hPut h content
- rename locked file
- return $ Right ()
- (Just expected, True) -> do
- current <- B.readFile file
- if current == expected then do B.hPut h content
- rename locked file
- return $ return ()
- else do removeLink locked
- return $ Left $ Just current
- (Just _, False) -> do
- removeLink locked
- return $ Left Nothing
- where locked = file ++ ".lock"
-
-
class Storable a where
store' :: a -> Store
load' :: Load a
diff --git a/src/Storage/Internal.hs b/src/Storage/Internal.hs
new file mode 100644
index 0000000..6a86dea
--- /dev/null
+++ b/src/Storage/Internal.hs
@@ -0,0 +1,57 @@
+module Storage.Internal where
+
+import Control.Exception
+
+import Data.ByteString (ByteString)
+import qualified Data.ByteString as B
+import qualified Data.ByteString.Lazy as BL
+
+import System.Directory
+import System.FilePath
+import System.IO
+import System.Posix.Files
+import System.Posix.IO
+import System.Posix.Types
+
+data Storage = Storage FilePath
+ deriving (Eq, Ord)
+
+
+openFdParents :: FilePath -> OpenMode -> Maybe FileMode -> OpenFileFlags -> IO Fd
+openFdParents path omode fmode flags = do
+ createDirectoryIfMissing True (takeDirectory path)
+ openFd path omode fmode flags
+
+writeFileOnce :: FilePath -> BL.ByteString -> IO ()
+writeFileOnce file content = bracket
+ (fdToHandle =<< openFdParents locked WriteOnly (Just $ unionFileModes ownerReadMode ownerWriteMode) (defaultFileFlags { exclusive = True }))
+ hClose $ \h -> do
+ fileExist file >>= \case
+ True -> removeLink locked
+ False -> do BL.hPut h content
+ rename locked file
+ where locked = file ++ ".lock"
+
+writeFileChecked :: FilePath -> Maybe ByteString -> ByteString -> IO (Either (Maybe ByteString) ())
+writeFileChecked file prev content = bracket
+ (fdToHandle =<< openFdParents locked WriteOnly (Just $ unionFileModes ownerReadMode ownerWriteMode) (defaultFileFlags { exclusive = True }))
+ hClose $ \h -> do
+ (prev,) <$> fileExist file >>= \case
+ (Nothing, True) -> do
+ current <- B.readFile file
+ removeLink locked
+ return $ Left $ Just current
+ (Nothing, False) -> do B.hPut h content
+ rename locked file
+ return $ Right ()
+ (Just expected, True) -> do
+ current <- B.readFile file
+ if current == expected then do B.hPut h content
+ rename locked file
+ return $ return ()
+ else do removeLink locked
+ return $ Left $ Just current
+ (Just _, False) -> do
+ removeLink locked
+ return $ Left Nothing
+ where locked = file ++ ".lock"
diff --git a/src/Storage/Key.hs b/src/Storage/Key.hs
new file mode 100644
index 0000000..3ed4a66
--- /dev/null
+++ b/src/Storage/Key.hs
@@ -0,0 +1,36 @@
+module Storage.Key (
+ KeyPair(..),
+ storeKey, loadKey,
+) where
+
+import Data.ByteArray
+import qualified Data.ByteString.Char8 as BC
+import qualified Data.ByteString.Lazy as BL
+
+import System.FilePath
+import System.IO.Error
+
+import Storage
+import Storage.Internal
+
+class Storable pub => KeyPair sec pub | sec -> pub, pub -> sec where
+ generateKeys :: Storage -> IO (sec, Stored pub)
+ keyGetPublic :: sec -> Stored pub
+ keyGetData :: sec -> ScrubbedBytes
+ keyFromData :: ScrubbedBytes -> Stored pub -> Maybe sec
+
+
+keyStorage :: Storage -> FilePath
+keyStorage (Storage base) = base </> "keys"
+
+keyFilePath :: KeyPair sec pub => Stored pub -> FilePath
+keyFilePath pkey = keyStorage (storedStorage pkey) </> (BC.unpack $ showRef $ storedRef pkey)
+
+storeKey :: KeyPair sec pub => sec -> IO ()
+storeKey key = writeFileOnce (keyFilePath $ keyGetPublic key) (BL.fromStrict $ convert $ keyGetData key)
+
+loadKey :: KeyPair sec pub => Stored pub -> IO (Maybe sec)
+loadKey spub = do
+ tryIOError (BC.readFile (keyFilePath spub)) >>= \case
+ Right kdata -> return $ keyFromData (convert kdata) spub
+ Left _ -> return Nothing
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 21:01:18 +0000