cc17ac423b
Considerable difficulty to work around an import cycle. Had to move the list of backends (except for VURL) to Backend.Variety to VURL could use it. Sponsored-by: Kevin Mueller on Patreon
42 lines
1 KiB
Haskell
42 lines
1 KiB
Haskell
{- git-annex URL backend -- keys whose content is available from urls.
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-
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- Copyright 2011-2024 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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module Backend.URL (
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backends,
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fromUrl
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) where
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import Annex.Common
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import Types.Key
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import Types.Backend
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import Backend.Utilities
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backends :: [Backend]
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backends = [backendURL]
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backendURL :: Backend
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backendURL = Backend
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{ backendVariety = URLKey
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, genKey = Nothing
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, verifyKeyContent = Nothing
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, verifyKeyContentIncrementally = Nothing
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, canUpgradeKey = Nothing
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, fastMigrate = Nothing
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-- The content of an url can change at any time, so URL keys are
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-- not stable.
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, isStableKey = const False
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, isCryptographicallySecure = False
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, isCryptographicallySecureKey = const (pure False)
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}
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{- Every unique url has a corresponding key. -}
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fromUrl :: String -> Maybe Integer -> Bool -> Key
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fromUrl url size verifiable = mkKey $ \k -> k
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{ keyName = genKeyName url
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, keyVariety = if verifiable then VURLKey else URLKey
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, keySize = size
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}
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