diff options
Diffstat (limited to 'src/Storage/Key.hs')
| -rw-r--r-- | src/Storage/Key.hs | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/Storage/Key.hs b/src/Storage/Key.hs index a51496f..7730f9f 100644 --- a/src/Storage/Key.hs +++ b/src/Storage/Key.hs @@ -38,15 +38,20 @@ storeKey key = do StorageMemory { memKeys = kstore } -> modifyMVar_ kstore $ return . M.insert (refDigest $ storedRef spub) (keyGetData key) loadKey :: (KeyPair sec pub, MonadIO m, MonadError String m) => Stored pub -> m sec -loadKey = maybe (throwError "secret key not found") return <=< loadKeyMb +loadKey pub = maybe (throwError $ "secret key not found for " <> show (storedRef pub)) return =<< loadKeyMb pub loadKeyMb :: (KeyPair sec pub, MonadIO m) => Stored pub -> m (Maybe sec) -loadKeyMb spub = liftIO $ do - case stBacking $ storedStorage spub of - StorageDir { dirPath = dir } -> tryIOError (BC.readFile (keyFilePath dir spub)) >>= \case - Right kdata -> return $ keyFromData (convert kdata) spub - Left _ -> return Nothing - StorageMemory { memKeys = kstore } -> (flip keyFromData spub <=< M.lookup (refDigest $ storedRef spub)) <$> readMVar kstore +loadKeyMb spub = liftIO $ run $ storedStorage spub + where + run st = tryOneLevel (stBacking st) >>= \case + key@Just {} -> return key + Nothing | Just parent <- stParent st -> run parent + | otherwise -> return Nothing + tryOneLevel = \case + StorageDir { dirPath = dir } -> tryIOError (BC.readFile (keyFilePath dir spub)) >>= \case + Right kdata -> return $ keyFromData (convert kdata) spub + Left _ -> return Nothing + StorageMemory { memKeys = kstore } -> (flip keyFromData spub <=< M.lookup (refDigest $ storedRef spub)) <$> readMVar kstore moveKeys :: MonadIO m => Storage -> Storage -> m () moveKeys from to = liftIO $ do |