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{- git-annex URL backend -- keys whose content is available from urls.
-
- Copyright 2011-2024 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Backend.URL (
backends,
fromUrl
) where
import Annex.Common
import Types.Key
import Types.Backend
import Backend.Utilities
import Backend.VURL.Utilities (migrateFromURLToVURL)
backends :: [Backend]
backends = [backendURL]
backendURL :: Backend
backendURL = Backend
{ backendVariety = URLKey
, genKey = Nothing
, verifyKeyContent = Nothing
, verifyKeyContentIncrementally = Nothing
, canUpgradeKey = Nothing
, fastMigrate = Just migrateFromURLToVURL
-- The content of an url can change at any time, so URL keys are
-- not stable.
, isStableKey = const False
, isCryptographicallySecure = False
, isCryptographicallySecureKey = const (pure False)
}
{- Every unique url has a corresponding key. -}
fromUrl :: String -> Maybe Integer -> Bool -> Key
fromUrl url size verifiable = mkKey $ \k -> k
{ keyName = genKeyName url
, keyVariety = if verifiable then VURLKey else URLKey
, keySize = size
}
|
