36133f27c0
No behavior changes here, but this is groundwork for letting remotes such as borg vary untrust forcing depending on configuration.
132 lines
3.7 KiB
Haskell
132 lines
3.7 KiB
Haskell
{- Web remote.
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-
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- Copyright 2011 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 Remote.Web (remote, getWebUrls) where
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import Annex.Common
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import Types.Remote
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import Remote.Helper.Messages
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import Remote.Helper.ExportImport
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import qualified Git
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import qualified Git.Construct
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import Annex.Content
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import Config.Cost
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import Config
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import Logs.Web
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import Annex.UUID
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import Utility.Metered
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import qualified Annex.Url as Url
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import Annex.YoutubeDl
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import Annex.SpecialRemote.Config
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remote :: RemoteType
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remote = RemoteType
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{ typename = "web"
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, enumerate = list
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, generate = gen
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, configParser = mkRemoteConfigParser []
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, setup = error "not supported"
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, exportSupported = exportUnsupported
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, importSupported = importUnsupported
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, thirdPartyPopulated = False
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}
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-- There is only one web remote, and it always exists.
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-- (If the web should cease to exist, remove this module and redistribute
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-- a new release to the survivors by carrier pigeon.)
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list :: Bool -> Annex [Git.Repo]
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list _autoinit = do
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r <- liftIO $ Git.Construct.remoteNamed "web" (pure Git.Construct.fromUnknown)
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return [r]
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gen :: Git.Repo -> UUID -> RemoteConfig -> RemoteGitConfig -> RemoteStateHandle -> Annex (Maybe Remote)
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gen r _ rc gc rs = do
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c <- parsedRemoteConfig remote rc
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cst <- remoteCost gc expensiveRemoteCost
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return $ Just Remote
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{ uuid = webUUID
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, cost = cst
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, name = Git.repoDescribe r
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, storeKey = uploadKey
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, retrieveKeyFile = downloadKey
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, retrieveKeyFileCheap = Nothing
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-- HttpManagerRestricted is used here, so this is
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-- secure.
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, retrievalSecurityPolicy = RetrievalAllKeysSecure
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, removeKey = dropKey
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, lockContent = Nothing
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, checkPresent = checkKey
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, checkPresentCheap = False
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, exportActions = exportUnsupported
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, importActions = importUnsupported
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, whereisKey = Nothing
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, remoteFsck = Nothing
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, repairRepo = Nothing
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, config = c
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, gitconfig = gc
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, localpath = Nothing
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, getRepo = return r
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, readonly = True
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, appendonly = False
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, untrustworthy = False
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, availability = GloballyAvailable
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, remotetype = remote
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, mkUnavailable = return Nothing
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, getInfo = return []
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, claimUrl = Nothing -- implicitly claims all urls
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, checkUrl = Nothing
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, remoteStateHandle = rs
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}
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downloadKey :: Key -> AssociatedFile -> FilePath -> MeterUpdate -> Annex Verification
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downloadKey key _af dest p = do
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get =<< getWebUrls key
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return UnVerified
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where
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get [] = giveup "no known url"
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get urls = do
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r <- untilTrue urls $ \u -> do
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let (u', downloader) = getDownloader u
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case downloader of
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YoutubeDownloader -> youtubeDlTo key u' dest p
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_ -> Url.withUrlOptions $ downloadUrl key p [u'] dest
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unless r $
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giveup "download failed"
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uploadKey :: Key -> AssociatedFile -> MeterUpdate -> Annex ()
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uploadKey _ _ _ = giveup "upload to web not supported"
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dropKey :: Key -> Annex ()
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dropKey k = mapM_ (setUrlMissing k) =<< getWebUrls k
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checkKey :: Key -> Annex Bool
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checkKey key = do
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us <- getWebUrls key
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if null us
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then return False
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else either giveup return =<< checkKey' key us
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checkKey' :: Key -> [URLString] -> Annex (Either String Bool)
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checkKey' key us = firsthit us (Right False) $ \u -> do
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let (u', downloader) = getDownloader u
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showChecking u'
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case downloader of
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YoutubeDownloader -> youtubeDlCheck u'
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_ -> catchMsgIO $
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Url.withUrlOptions $ Url.checkBoth u' (fromKey keySize key)
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where
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firsthit [] miss _ = return miss
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firsthit (u:rest) _ a = do
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r <- a u
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case r of
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Right True -> return r
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_ -> firsthit rest r a
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getWebUrls :: Key -> Annex [URLString]
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getWebUrls key = filter supported <$> getUrls key
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where
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supported u = snd (getDownloader u)
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`elem` [WebDownloader, YoutubeDownloader]
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