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|
{-# LANGUAGE OverloadedStrings #-}
{- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Main where
import Types
import Tunables
import Encryption
import Shard
import Raaz.Core.Encode
import System.IO
import System.Posix.ByteString
import qualified Data.ByteString as B
import Control.DeepSeq
main :: IO ()
main = do
storedemo
retrievedemo
storedemo :: IO ()
storedemo = do
kek <- genKeyEncryptionKey tunables name password
let esk = encrypt kek secretkey
let sis = shardIdents tunables name keyid
shards <- genShards esk tunables
mapM_ (uncurry storeShard) (zip (getIdents sis) shards)
where
password = Password "foo"
name = Name "bar"
tunables = testModeTunables -- defaultTunables
keyid = KeyId gpgKey "foobar"
secretkey = SecretKey "this is a gpg private key"
retrievedemo :: IO ()
retrievedemo = do
let sis = shardIdents tunables name keyid
shards <- mapM retrieveShard (drop 1 $ getIdents sis)
-- TODO: need to try all orders of shards until one works,
-- because the shard numbers are not preserved
let esk = combineShards tunables shards
kek <- genKeyEncryptionKey tunables name password
-- TODO: need to solve the encryption puzzle
case decrypt kek esk of
Just (SecretKey sk) -> print sk
Nothing -> print ("Failed" :: String, esk)
where
password = Password "foo"
name = Name "bar"
tunables = testModeTunables -- defaultTunables
keyid = KeyId gpgKey "foobar"
storeShard :: StorableObjectIdent -> StorableObject -> IO ()
storeShard i o = do
print $ toByteString i
fd <- openFd (toByteString i) WriteOnly (Just 0o666)
(defaultFileFlags { exclusive = True } )
h <- fdToHandle fd
B.hPut h (fromStorableObject o)
hClose h
retrieveShard :: StorableObjectIdent -> IO StorableObject
retrieveShard i = do
fd <- openFd (toByteString i) ReadOnly Nothing defaultFileFlags
h <- fdToHandle fd
b <- B.hGetContents h
b `deepseq` hClose h
return (StorableObject b)
|
