git-annex/Assistant/Gpg.hs
Joey Hess ae9f99f342
Relicense 5 source files that are not part of the webapp from AGPL to GPL.
Building w/o the webapp is not supposed to pull in any AGPLed files.

I appear to have written all the code in these files;
the only commit by anyone else is 64e844e1fe
and is a spelling fix that is not copyrightable.
2016-11-21 23:46:59 -04:00

36 lines
1.1 KiB
Haskell

{- git-annex assistant gpg stuff
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Gpg where
import Utility.Gpg
import Utility.UserInfo
import Types.Remote (RemoteConfigKey)
import qualified Data.Map as M
import Control.Applicative
import Prelude
{- Generates a gpg user id that is not used by any existing secret key -}
newUserId :: GpgCmd -> IO UserId
newUserId cmd = do
oldkeys <- secretKeys cmd
username <- either (const "unknown") id <$> myUserName
let basekeyname = username ++ "'s git-annex encryption key"
return $ Prelude.head $ filter (\n -> M.null $ M.filter (== n) oldkeys)
( basekeyname
: map (\n -> basekeyname ++ show n) ([2..] :: [Int])
)
data EnableEncryption = HybridEncryption | SharedEncryption | NoEncryption
deriving (Eq)
{- Generates Remote configuration for encryption. -}
configureEncryption :: EnableEncryption -> (RemoteConfigKey, String)
configureEncryption SharedEncryption = ("encryption", "shared")
configureEncryption NoEncryption = ("encryption", "none")
configureEncryption HybridEncryption = ("encryption", "hybrid")