d0b06c17c0
add, addurl, importfeed, import: Added --no-check-gitignore option for finer grained control than using --force. (--force is used for too many different things, and at least one of these also uses it for something else. I would like to reduce --force's footprint until it only forces drops or a few other data losses. For now, --force still disables checking ignores too.) addunused: Don't check .gitignores when adding files. This is a behavior change, but I justify it by analogy with git add of a gitignored file adding it, asking to add all unused files back should add them all back, not skip some. The old behavior was surprising. In Command.Lock and Command.ReKey, CheckGitIgnore False does not change behavior, it only makes explicit what is done. Since these commands are run on annexed files, the file is already checked into git, so git add won't check ignores.
524 lines
20 KiB
Haskell
524 lines
20 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011-2020 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 Command.AddUrl where
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import Network.URI
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import Command
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import Backend
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import qualified Annex
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import qualified Annex.Url as Url
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import qualified Backend.URL
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import qualified Remote
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import qualified Types.Remote as Remote
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import qualified Command.Add
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import Annex.Content
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import Annex.Ingest
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import Annex.CheckIgnore
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import Annex.Perms
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import Annex.UUID
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import Annex.YoutubeDl
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import Annex.UntrustedFilePath
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import Logs.Web
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import Types.KeySource
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import Types.UrlContents
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import Annex.FileMatcher
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import Logs.Location
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import Utility.Metered
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import Utility.HtmlDetect
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import Utility.Path.Max
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import qualified Annex.Transfer as Transfer
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cmd :: Command
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cmd = notBareRepo $ withGlobalOptions [jobsOption, jsonOptions, jsonProgressOption] $
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command "addurl" SectionCommon "add urls to annex"
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(paramRepeating paramUrl) (seek <$$> optParser)
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data AddUrlOptions = AddUrlOptions
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{ addUrls :: CmdParams
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, pathdepthOption :: Maybe Int
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, prefixOption :: Maybe String
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, suffixOption :: Maybe String
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, downloadOptions :: DownloadOptions
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, batchOption :: BatchMode
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, batchFilesOption :: Bool
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}
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data DownloadOptions = DownloadOptions
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{ relaxedOption :: Bool
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, rawOption :: Bool
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, fileOption :: Maybe FilePath
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, preserveFilenameOption :: Bool
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, checkGitIgnoreOption :: CheckGitIgnore
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}
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optParser :: CmdParamsDesc -> Parser AddUrlOptions
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optParser desc = AddUrlOptions
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<$> cmdParams desc
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<*> optional (option auto
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( long "pathdepth" <> metavar paramNumber
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<> help "number of url path components to use in filename"
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))
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<*> optional (strOption
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( long "prefix" <> metavar paramValue
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<> help "add a prefix to the filename"
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))
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<*> optional (strOption
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( long "suffix" <> metavar paramValue
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<> help "add a suffix to the filename"
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))
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<*> parseDownloadOptions True
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<*> parseBatchOption
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<*> switch
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( long "with-files"
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<> help "parse batch mode lines of the form \"$url $file\""
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)
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parseDownloadOptions :: Bool -> Parser DownloadOptions
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parseDownloadOptions withfileoptions = DownloadOptions
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<$> switch
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( long "relaxed"
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<> help "skip size check"
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)
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<*> switch
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( long "raw"
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<> help "disable special handling for torrents, youtube-dl, etc"
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)
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<*> (if withfileoptions
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then optional (strOption
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( long "file" <> metavar paramFile
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<> help "specify what file the url is added to"
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))
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else pure Nothing)
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<*> (if withfileoptions
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then switch
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( long "preserve-filename"
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<> help "use filename provided by server as-is"
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)
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else pure False)
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<*> Command.Add.checkGitIgnoreSwitch
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seek :: AddUrlOptions -> CommandSeek
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seek o = startConcurrency commandStages $ do
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addunlockedmatcher <- addUnlockedMatcher
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let go (si, (o', u)) = do
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r <- Remote.claimingUrl u
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if Remote.uuid r == webUUID || rawOption (downloadOptions o')
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then void $ commandAction $
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startWeb addunlockedmatcher o' si u
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else checkUrl addunlockedmatcher r o' si u
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forM_ (addUrls o) (\u -> go (SeekInput [u], (o, u)))
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case batchOption o of
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Batch fmt -> batchInput fmt (pure . parseBatchInput o) go
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NoBatch -> noop
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parseBatchInput :: AddUrlOptions -> String -> Either String (AddUrlOptions, URLString)
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parseBatchInput o s
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| batchFilesOption o =
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let (u, f) = separate (== ' ') s
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in if null u || null f
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then Left ("parsed empty url or filename in input: " ++ s)
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else Right (o { downloadOptions = (downloadOptions o) { fileOption = Just f } }, u)
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| otherwise = Right (o, s)
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checkUrl :: AddUnlockedMatcher -> Remote -> AddUrlOptions -> SeekInput -> URLString -> Annex ()
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checkUrl addunlockedmatcher r o si u = do
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pathmax <- liftIO $ fileNameLengthLimit "."
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let deffile = fromMaybe (urlString2file u (pathdepthOption o) pathmax) (fileOption (downloadOptions o))
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go deffile =<< maybe
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(error $ "unable to checkUrl of " ++ Remote.name r)
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(tryNonAsync . flip id u)
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(Remote.checkUrl r)
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where
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go _ (Left e) = void $ commandAction $ startingAddUrl si u o $ do
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warning (show e)
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next $ return False
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go deffile (Right (UrlContents sz mf)) = do
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f <- maybe (pure deffile) (sanitizeOrPreserveFilePath o) mf
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let f' = adjustFile o (fromMaybe f (fileOption (downloadOptions o)))
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void $ commandAction $ startRemote addunlockedmatcher r o si f' u sz
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go deffile (Right (UrlMulti l)) = case fileOption (downloadOptions o) of
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Nothing ->
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forM_ l $ \(u', sz, f) -> do
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f' <- sanitizeOrPreserveFilePath o f
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let f'' = adjustFile o (deffile </> f')
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void $ commandAction $ startRemote addunlockedmatcher r o si f'' u' sz
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Just f -> case l of
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[] -> noop
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((u',sz,_):[]) -> do
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let f' = adjustFile o f
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void $ commandAction $ startRemote addunlockedmatcher r o si f' u' sz
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_ -> giveup $ unwords
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[ "That url contains multiple files according to the"
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, Remote.name r
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, " remote; cannot add it to a single file."
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]
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startRemote :: AddUnlockedMatcher -> Remote -> AddUrlOptions -> SeekInput -> FilePath -> URLString -> Maybe Integer -> CommandStart
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startRemote addunlockedmatcher r o si file uri sz = do
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pathmax <- liftIO $ fileNameLengthLimit "."
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let file' = joinPath $ map (truncateFilePath pathmax) $ splitDirectories file
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startingAddUrl si uri o $ do
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showNote $ "from " ++ Remote.name r
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showDestinationFile file'
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performRemote addunlockedmatcher r o uri file' sz
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performRemote :: AddUnlockedMatcher -> Remote -> AddUrlOptions -> URLString -> FilePath -> Maybe Integer -> CommandPerform
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performRemote addunlockedmatcher r o uri file sz = ifAnnexed (toRawFilePath file) adduri geturi
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where
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loguri = setDownloader uri OtherDownloader
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adduri = addUrlChecked o loguri file (Remote.uuid r) checkexistssize
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checkexistssize key = return $ case sz of
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Nothing -> (True, True, loguri)
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Just n -> (True, n == fromMaybe n (fromKey keySize key), loguri)
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geturi = next $ isJust <$> downloadRemoteFile addunlockedmatcher r (downloadOptions o) uri file sz
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downloadRemoteFile :: AddUnlockedMatcher -> Remote -> DownloadOptions -> URLString -> FilePath -> Maybe Integer -> Annex (Maybe Key)
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downloadRemoteFile addunlockedmatcher r o uri file sz = checkCanAdd o file $ do
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let urlkey = Backend.URL.fromUrl uri sz
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createWorkTreeDirectory (parentDir file)
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ifM (Annex.getState Annex.fast <||> pure (relaxedOption o))
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( do
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addWorkTree o addunlockedmatcher (Remote.uuid r) loguri file urlkey Nothing
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return (Just urlkey)
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, do
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-- Set temporary url for the urlkey
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-- so that the remote knows what url it
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-- should use to download it.
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setTempUrl urlkey loguri
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let downloader = \dest p ->
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fst <$> Remote.verifiedAction (Remote.retrieveKeyFile r urlkey af dest p)
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ret <- downloadWith o addunlockedmatcher downloader urlkey (Remote.uuid r) loguri file
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removeTempUrl urlkey
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return ret
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)
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where
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loguri = setDownloader uri OtherDownloader
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af = AssociatedFile (Just (toRawFilePath file))
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startWeb :: AddUnlockedMatcher -> AddUrlOptions -> SeekInput -> URLString -> CommandStart
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startWeb addunlockedmatcher o si urlstring = go $ fromMaybe bad $ parseURI urlstring
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where
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bad = fromMaybe (giveup $ "bad url " ++ urlstring) $
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Url.parseURIRelaxed $ urlstring
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go url = startingAddUrl si urlstring o $
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if relaxedOption (downloadOptions o)
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then go' url Url.assumeUrlExists
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else Url.withUrlOptions (Url.getUrlInfo urlstring) >>= \case
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Right urlinfo -> go' url urlinfo
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Left err -> do
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warning err
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next $ return False
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go' url urlinfo = do
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pathmax <- liftIO $ fileNameLengthLimit "."
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file <- adjustFile o <$> case fileOption (downloadOptions o) of
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Just f -> pure f
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Nothing -> case Url.urlSuggestedFile urlinfo of
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Just sf -> do
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f <- sanitizeOrPreserveFilePath o sf
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if preserveFilenameOption (downloadOptions o)
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then pure f
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else ifM (liftIO $ doesFileExist f <||> doesDirectoryExist f)
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( pure $ url2file url (pathdepthOption o) pathmax
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, pure f
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)
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_ -> pure $ url2file url (pathdepthOption o) pathmax
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performWeb addunlockedmatcher o urlstring file urlinfo
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sanitizeOrPreserveFilePath :: AddUrlOptions -> FilePath -> Annex FilePath
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sanitizeOrPreserveFilePath o f
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| preserveFilenameOption (downloadOptions o) && not (null f) = do
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checkPreserveFileNameSecurity f
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return f
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| otherwise = do
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pathmax <- liftIO $ fileNameLengthLimit "."
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return $ truncateFilePath pathmax $ sanitizeFilePath f
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-- sanitizeFilePath avoids all these security problems
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-- (and probably others, but at least this catches the most egrarious ones).
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checkPreserveFileNameSecurity :: FilePath -> Annex ()
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checkPreserveFileNameSecurity f = do
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checksecurity escapeSequenceInFilePath False "escape sequence"
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checksecurity pathTraversalInFilePath True "path traversal"
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checksecurity gitDirectoryInFilePath True "contains a .git directory"
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where
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checksecurity p canshow d = when (p f) $
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giveup $ concat
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[ "--preserve-filename was used, but the filename "
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, if canshow then "(" ++ f ++ ") " else ""
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, "has a security problem (" ++ d ++ "), not adding."
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]
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performWeb :: AddUnlockedMatcher -> AddUrlOptions -> URLString -> FilePath -> Url.UrlInfo -> CommandPerform
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performWeb addunlockedmatcher o url file urlinfo = ifAnnexed (toRawFilePath file) addurl geturl
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where
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geturl = next $ isJust <$> addUrlFile addunlockedmatcher (downloadOptions o) url urlinfo file
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addurl = addUrlChecked o url file webUUID $ \k ->
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ifM (pure (not (rawOption (downloadOptions o))) <&&> youtubeDlSupported url)
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( return (True, True, setDownloader url YoutubeDownloader)
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, return (Url.urlExists urlinfo, Url.urlSize urlinfo == fromKey keySize k, url)
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)
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{- Check that the url exists, and has the same size as the key,
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- and add it as an url to the key. -}
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addUrlChecked :: AddUrlOptions -> URLString -> FilePath -> UUID -> (Key -> Annex (Bool, Bool, URLString)) -> Key -> CommandPerform
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addUrlChecked o url file u checkexistssize key =
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ifM ((elem url <$> getUrls key) <&&> (elem u <$> loggedLocations key))
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( do
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showDestinationFile file
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next $ return True
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, do
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(exists, samesize, url') <- checkexistssize key
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if exists && (samesize || relaxedOption (downloadOptions o))
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then do
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setUrlPresent key url'
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logChange key u InfoPresent
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next $ return True
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else do
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warning $ "while adding a new url to an already annexed file, " ++ if exists
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then "url does not have expected file size (use --relaxed to bypass this check) " ++ url
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else "failed to verify url exists: " ++ url
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stop
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)
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{- Downloads an url (except in fast or relaxed mode) and adds it to the
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- repository, normally at the specified FilePath.
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- But, if youtube-dl supports the url, it will be written to a
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- different file, based on the title of the media. Unless the user
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- specified fileOption, which then forces using the FilePath.
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-}
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addUrlFile :: AddUnlockedMatcher -> DownloadOptions -> URLString -> Url.UrlInfo -> FilePath -> Annex (Maybe Key)
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addUrlFile addunlockedmatcher o url urlinfo file =
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ifM (Annex.getState Annex.fast <||> pure (relaxedOption o))
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( nodownloadWeb addunlockedmatcher o url urlinfo file
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, downloadWeb addunlockedmatcher o url urlinfo file
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)
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downloadWeb :: AddUnlockedMatcher -> DownloadOptions -> URLString -> Url.UrlInfo -> FilePath -> Annex (Maybe Key)
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downloadWeb addunlockedmatcher o url urlinfo file =
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go =<< downloadWith' downloader urlkey webUUID url (AssociatedFile (Just (toRawFilePath file)))
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where
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urlkey = addSizeUrlKey urlinfo $ Backend.URL.fromUrl url Nothing
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downloader f p = Url.withUrlOptions $ downloadUrl urlkey p [url] f
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go Nothing = return Nothing
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go (Just tmp) = ifM (pure (not (rawOption o)) <&&> liftIO (isHtml <$> readFile tmp))
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( tryyoutubedl tmp
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, normalfinish tmp
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)
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normalfinish tmp = checkCanAdd o file $ do
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showDestinationFile file
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createWorkTreeDirectory (parentDir file)
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Just <$> finishDownloadWith o addunlockedmatcher tmp webUUID url file
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-- Ask youtube-dl what filename it will download first,
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-- so it's only used when the file contains embedded media.
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tryyoutubedl tmp = youtubeDlFileNameHtmlOnly url >>= \case
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Right mediafile ->
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let f = youtubeDlDestFile o file mediafile
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in ifAnnexed (toRawFilePath f)
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(alreadyannexed f)
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(dl f)
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Left _ -> normalfinish tmp
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where
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dl dest = withTmpWorkDir mediakey $ \workdir -> do
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let cleanuptmp = pruneTmpWorkDirBefore tmp (liftIO . nukeFile)
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Transfer.notifyTransfer Transfer.Download url $
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Transfer.download webUUID mediakey (AssociatedFile Nothing) Transfer.noRetry $ \_p ->
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youtubeDl url workdir >>= \case
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Right (Just mediafile) -> do
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cleanuptmp
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checkCanAdd o dest $ do
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showDestinationFile dest
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addWorkTree o addunlockedmatcher webUUID mediaurl dest mediakey (Just mediafile)
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return $ Just mediakey
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Right Nothing -> normalfinish tmp
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Left msg -> do
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cleanuptmp
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warning msg
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return Nothing
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mediaurl = setDownloader url YoutubeDownloader
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mediakey = Backend.URL.fromUrl mediaurl Nothing
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-- Does the already annexed file have the mediaurl
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-- as an url? If so nothing to do.
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alreadyannexed dest k = do
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us <- getUrls k
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if mediaurl `elem` us
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then return (Just k)
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else do
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warning $ dest ++ " already exists; not overwriting"
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return Nothing
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{- The destination file is not known at start time unless the user provided
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- a filename. It's not displayed then for output consistency,
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- but is added to the json when available. -}
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startingAddUrl :: SeekInput -> URLString -> AddUrlOptions -> CommandPerform -> CommandStart
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startingAddUrl si url o p = starting "addurl" (ActionItemOther (Just url)) si $ do
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case fileOption (downloadOptions o) of
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Nothing -> noop
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Just file -> maybeShowJSON $ JSONChunk [("file", file)]
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p
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showDestinationFile :: FilePath -> Annex ()
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showDestinationFile file = do
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showNote ("to " ++ file)
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maybeShowJSON $ JSONChunk [("file", file)]
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{- The Key should be a dummy key, based on the URL, which is used
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- for this download, before we can examine the file and find its real key.
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- For resuming downloads to work, the dummy key for a given url should be
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- stable. For disk space checking to work, the dummy key should have
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- the size of the url already set.
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-
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- Downloads the url, sets up the worktree file, and returns the
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- real key.
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-}
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downloadWith :: DownloadOptions -> AddUnlockedMatcher -> (FilePath -> MeterUpdate -> Annex Bool) -> Key -> UUID -> URLString -> FilePath -> Annex (Maybe Key)
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downloadWith o addunlockedmatcher downloader dummykey u url file =
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go =<< downloadWith' downloader dummykey u url afile
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where
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afile = AssociatedFile (Just (toRawFilePath file))
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go Nothing = return Nothing
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go (Just tmp) = Just <$> finishDownloadWith o addunlockedmatcher tmp u url file
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{- Like downloadWith, but leaves the dummy key content in
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- the returned location. -}
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downloadWith' :: (FilePath -> MeterUpdate -> Annex Bool) -> Key -> UUID -> URLString -> AssociatedFile -> Annex (Maybe FilePath)
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downloadWith' downloader dummykey u url afile =
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checkDiskSpaceToGet dummykey Nothing $ do
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tmp <- fromRepo $ gitAnnexTmpObjectLocation dummykey
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ok <- Transfer.notifyTransfer Transfer.Download url $
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Transfer.download u dummykey afile Transfer.stdRetry $ \p -> do
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createAnnexDirectory (parentDir tmp)
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downloader tmp p
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if ok
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then return (Just tmp)
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else return Nothing
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finishDownloadWith :: DownloadOptions -> AddUnlockedMatcher -> FilePath -> UUID -> URLString -> FilePath -> Annex Key
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finishDownloadWith o addunlockedmatcher tmp u url file = do
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backend <- chooseBackend file
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let source = KeySource
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{ keyFilename = toRawFilePath file
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, contentLocation = toRawFilePath tmp
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, inodeCache = Nothing
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}
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key <- fst <$> genKey source nullMeterUpdate backend
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addWorkTree o addunlockedmatcher u url file key (Just tmp)
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return key
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{- Adds the url size to the Key. -}
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addSizeUrlKey :: Url.UrlInfo -> Key -> Key
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addSizeUrlKey urlinfo key = alterKey key $ \d -> d
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{ keySize = Url.urlSize urlinfo
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}
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{- Adds worktree file to the repository. -}
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addWorkTree :: DownloadOptions -> AddUnlockedMatcher -> UUID -> URLString -> FilePath -> Key -> Maybe FilePath -> Annex ()
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addWorkTree o addunlockedmatcher u url file key mtmp = case mtmp of
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Nothing -> go
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Just tmp -> do
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-- Move to final location for large file check.
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pruneTmpWorkDirBefore tmp $ \_ -> do
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createWorkTreeDirectory (takeDirectory file)
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liftIO $ renameFile tmp file
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largematcher <- largeFilesMatcher
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large <- checkFileMatcher largematcher file
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if large
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then do
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-- Move back to tmp because addAnnexedFile
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-- needs the file in a different location
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-- than the work tree file.
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liftIO $ renameFile file tmp
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go
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else void $ Command.Add.addSmall
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(checkGitIgnoreOption o)
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(toRawFilePath file)
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where
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go = do
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maybeShowJSON $ JSONChunk [("key", serializeKey key)]
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setUrlPresent key url
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logChange key u InfoPresent
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ifM (addAnnexedFile (checkGitIgnoreOption o) addunlockedmatcher file key mtmp)
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( do
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when (isJust mtmp) $
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logStatus key InfoPresent
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, maybe noop (\tmp -> pruneTmpWorkDirBefore tmp (liftIO . nukeFile)) mtmp
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)
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nodownloadWeb :: AddUnlockedMatcher -> DownloadOptions -> URLString -> Url.UrlInfo -> FilePath -> Annex (Maybe Key)
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nodownloadWeb addunlockedmatcher o url urlinfo file
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| Url.urlExists urlinfo = if rawOption o
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then nomedia
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else either (const nomedia) usemedia
|
|
=<< youtubeDlFileName url
|
|
| otherwise = do
|
|
warning $ "unable to access url: " ++ url
|
|
return Nothing
|
|
where
|
|
nomedia = do
|
|
let key = Backend.URL.fromUrl url (Url.urlSize urlinfo)
|
|
nodownloadWeb' o addunlockedmatcher url key file
|
|
usemedia mediafile = do
|
|
let dest = youtubeDlDestFile o file mediafile
|
|
let mediaurl = setDownloader url YoutubeDownloader
|
|
let mediakey = Backend.URL.fromUrl mediaurl Nothing
|
|
nodownloadWeb' o addunlockedmatcher mediaurl mediakey dest
|
|
|
|
youtubeDlDestFile :: DownloadOptions -> FilePath -> FilePath -> FilePath
|
|
youtubeDlDestFile o destfile mediafile
|
|
| isJust (fileOption o) = destfile
|
|
| otherwise = takeFileName mediafile
|
|
|
|
nodownloadWeb' :: DownloadOptions -> AddUnlockedMatcher -> URLString -> Key -> FilePath -> Annex (Maybe Key)
|
|
nodownloadWeb' o addunlockedmatcher url key file = checkCanAdd o file $ do
|
|
showDestinationFile file
|
|
createWorkTreeDirectory (parentDir file)
|
|
addWorkTree o addunlockedmatcher webUUID url file key Nothing
|
|
return (Just key)
|
|
|
|
url2file :: URI -> Maybe Int -> Int -> FilePath
|
|
url2file url pathdepth pathmax = case pathdepth of
|
|
Nothing -> truncateFilePath pathmax $ sanitizeFilePath fullurl
|
|
Just depth
|
|
| depth >= length urlbits -> frombits id
|
|
| depth > 0 -> frombits $ drop depth
|
|
| depth < 0 -> frombits $ reverse . take (negate depth) . reverse
|
|
| otherwise -> giveup "bad --pathdepth"
|
|
where
|
|
fullurl = concat
|
|
[ maybe "" uriRegName (uriAuthority url)
|
|
, uriPath url
|
|
, uriQuery url
|
|
]
|
|
frombits a = intercalate "/" $ a urlbits
|
|
urlbits = map (truncateFilePath pathmax . sanitizeFilePath) $
|
|
filter (not . null) $ splitc '/' fullurl
|
|
|
|
urlString2file :: URLString -> Maybe Int -> Int -> FilePath
|
|
urlString2file s pathdepth pathmax = case Url.parseURIRelaxed s of
|
|
Nothing -> giveup $ "bad uri " ++ s
|
|
Just u -> url2file u pathdepth pathmax
|
|
|
|
adjustFile :: AddUrlOptions -> FilePath -> FilePath
|
|
adjustFile o = addprefix . addsuffix
|
|
where
|
|
addprefix f = maybe f (++ f) (prefixOption o)
|
|
addsuffix f = maybe f (f ++) (suffixOption o)
|
|
|
|
checkCanAdd :: DownloadOptions -> FilePath -> Annex (Maybe a) -> Annex (Maybe a)
|
|
checkCanAdd o file a = ifM (isJust <$> (liftIO $ catchMaybeIO $ getSymbolicLinkStatus file))
|
|
( do
|
|
warning $ file ++ " already exists; not overwriting"
|
|
return Nothing
|
|
, ifM (checkIgnored (checkGitIgnoreOption o) file)
|
|
( do
|
|
warning $ "not adding " ++ file ++ " which is .gitignored (use --no-check-gitignore to override)"
|
|
return Nothing
|
|
, a
|
|
)
|
|
)
|