70 lines
2 KiB
Haskell
70 lines
2 KiB
Haskell
{- Logs listing keys that are equivalent to a key.
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-
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- Copyright 2024-2025 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE BangPatterns #-}
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module Logs.EquivilantKeys (
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getEquivilantKeys,
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setEquivilantKey,
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updateEquivilantKeys,
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addEquivilantKey,
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generateEquivilantKey,
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) where
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import Annex.Common
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import qualified Annex
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import Logs
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import Logs.Presence
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import qualified Annex.Branch
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import qualified Backend.Hash
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import Types.KeySource
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import Types.Backend
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import Types.Remote (Verification(..))
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import Utility.Metered
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getEquivilantKeys :: Key -> Annex [Key]
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getEquivilantKeys key = do
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config <- Annex.getGitConfig
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nub . mapMaybe (deserializeKey' . fromLogInfo)
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<$> presentLogInfo (equivilantKeysLogFile config key)
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setEquivilantKey :: Key -> Key -> Annex ()
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setEquivilantKey key equivkey = do
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config <- Annex.getGitConfig
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addLog (Annex.Branch.RegardingUUID []) (equivilantKeysLogFile config key)
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InfoPresent (LogInfo (serializeKey' equivkey))
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-- This returns Verified when when an equivilant key has been added to the
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-- log (or was already in the log). This is to avoid hashing the object
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-- again later.
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updateEquivilantKeys :: Backend -> OsPath -> Key -> [Key] -> Annex (Maybe Verification)
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updateEquivilantKeys b obj key eks = generateEquivilantKey b obj >>= \case
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Nothing -> return Nothing
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Just ek -> do
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unless (ek `elem` eks) $
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setEquivilantKey key ek
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return (Just Verified)
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addEquivilantKey :: Backend -> Key -> OsPath -> Annex (Maybe Verification)
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addEquivilantKey b key obj =
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updateEquivilantKeys b obj key
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=<< getEquivilantKeys key
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-- The Backend must use a cryptographically secure hash.
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generateEquivilantKey :: Backend -> OsPath -> Annex (Maybe Key)
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generateEquivilantKey b obj =
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case genKey b of
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Just genkey -> do
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showSideAction (UnquotedString Backend.Hash.descChecksum)
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Just <$> genkey source nullMeterUpdate
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Nothing -> return Nothing
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where
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source = KeySource
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{ keyFilename = mempty -- avoid adding any extension
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, contentLocation = obj
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, inodeCache = Nothing
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}
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