git-annex/Command/P2P.hs
2016-11-30 14:35:24 -04:00

61 lines
1.6 KiB
Haskell

{- git-annex command
-
- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.P2P where
import Command
import Git.Types
import P2P.Address
import P2P.Auth
import Utility.AuthToken
cmd :: Command
cmd = command "p2p" SectionSetup
"configure peer-2-peer links between repositories"
paramNothing (seek <$$> optParser)
data P2POpts
= GenAddresses
| LinkRemote P2PAddressAuth RemoteName
optParser :: CmdParamsDesc -> Parser P2POpts
optParser _ = genaddresses <|> linkremote
where
genaddresses = flag' GenAddresses
( long "gen-addresses"
<> help "generate addresses that allow accessing this repository over P2P networks"
)
linkremote = LinkRemote
<$> option readaddr
( long "link"
<> metavar paramAddress
<> help "address of the peer to link with"
)
<*> strOption
( long "named"
<> metavar paramRemote
<> help "specify name to use for git remote"
)
readaddr = eitherReader $ maybe (Left "address parse error") Right
. unformatP2PAddress
seek :: P2POpts -> CommandSeek
seek GenAddresses = do
addrs <- loadP2PAddresses
if null addrs
then giveup "No P2P networks are currrently available."
else do
authtoken <- liftIO $ genAuthToken 128
storeP2PAuthToken authtoken
-- Only addresses are output to stdout, to allow
-- scripting.
earlyWarning "These addresses allow access to this git-annex repository. Only share them with people you trust with that access, using trusted communication channels!"
liftIO $ putStr $ unlines $
map formatP2PAddress $
map (`P2PAddressAuth` authtoken) addrs
seek (LinkRemote addr name) = do