c50a5fbeb4
Special remotes do not always have a description listed in uuid.log, and such ones were not listed before.
84 lines
2.4 KiB
Haskell
84 lines
2.4 KiB
Haskell
{- git-annex trust
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Logs.Trust (
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TrustLevel(..),
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trustGet,
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trustSet,
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trustPartition
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) where
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import qualified Data.Map as M
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import Data.Time.Clock.POSIX
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import Common.Annex
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import Types.TrustLevel
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import qualified Annex.Branch
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import qualified Annex
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import Logs.UUIDBased
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{- Filename of trust.log. -}
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trustLog :: FilePath
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trustLog = "trust.log"
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{- Returns a list of UUIDs that the trustLog indicates have the
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- specified trust level.
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- Note that the list can be incomplete for SemiTrusted, since that's
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- the default. -}
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trustGet :: TrustLevel -> Annex [UUID]
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trustGet level = M.keys . M.filter (== level) <$> trustMap
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{- Partitions a list of UUIDs to those matching a TrustLevel and not. -}
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trustPartition :: TrustLevel -> [UUID] -> Annex ([UUID], [UUID])
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trustPartition level ls
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| level == SemiTrusted = do
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t <- trustGet Trusted
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u <- trustGet UnTrusted
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let uncandidates = t ++ u
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return $ partition (`notElem` uncandidates) ls
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| otherwise = do
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candidates <- trustGet level
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return $ partition (`elem` candidates) ls
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{- Read the trustLog into a map, overriding with any
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- values from forcetrust. The map is cached for speed. -}
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trustMap :: Annex TrustMap
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trustMap = do
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cached <- Annex.getState Annex.trustmap
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case cached of
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Just m -> return m
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Nothing -> do
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overrides <- M.fromList <$> Annex.getState Annex.forcetrust
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m <- (M.union overrides . simpleMap . parseLog parseTrust) <$>
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Annex.Branch.get trustLog
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Annex.changeState $ \s -> s { Annex.trustmap = Just m }
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return m
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parseTrust :: String -> Maybe TrustLevel
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parseTrust s
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| length w > 0 = Just $ parse $ head w
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-- back-compat; the trust.log used to only list trusted repos
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| otherwise = Just Trusted
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where
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w = words s
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parse "1" = Trusted
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parse "0" = UnTrusted
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parse _ = SemiTrusted
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showTrust :: TrustLevel -> String
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showTrust SemiTrusted = "?"
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showTrust UnTrusted = "0"
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showTrust Trusted = "1"
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{- Changes the trust level for a uuid in the trustLog. -}
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trustSet :: UUID -> TrustLevel -> Annex ()
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trustSet uuid@(UUID _) level = do
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ts <- liftIO getPOSIXTime
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Annex.Branch.change trustLog $
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showLog showTrust . changeLog ts uuid level . parseLog parseTrust
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Annex.changeState $ \s -> s { Annex.trustmap = Nothing }
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trustSet NoUUID _ = error "unknown UUID; cannot modify trust level"
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