diff options
Diffstat (limited to 'Annex/Content.hs')
-rw-r--r-- | Annex/Content.hs | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/Annex/Content.hs b/Annex/Content.hs index 8e225548f..0001e8ac9 100644 --- a/Annex/Content.hs +++ b/Annex/Content.hs @@ -1,6 +1,6 @@ {- git-annex file content managing - - - Copyright 2010-2015 Joey Hess <id@joeyh.name> + - Copyright 2010-2017 Joey Hess <id@joeyh.name> - - Licensed under the GNU GPL version 3 or higher. -} @@ -80,6 +80,7 @@ import qualified Types.Backend import qualified Backend import qualified Database.Keys import Types.NumCopies +import Types.Key import Annex.UUID import Annex.InodeSentinal import Utility.InodeCache @@ -307,10 +308,12 @@ getViaTmp' v key action = do (ok, verification) <- action tmpfile if ok then ifM (verifyKeyContent v verification key tmpfile) - ( do - moveAnnex key tmpfile - logStatus key InfoPresent - return True + ( ifM (moveAnnex key tmpfile) + ( do + logStatus key InfoPresent + return True + , return False + ) , do warning "verification of content failed" liftIO $ nukeFile tmpfile @@ -465,9 +468,18 @@ checkDiskSpace' need destdir key alreadythere samefilesystem = ifM (Annex.getSta - key, and one of them will probably get deleted later. So, adding the - check here would only raise expectations that git-annex cannot truely - meet. + - + - May return false, when a particular variety of key is not being + - accepted into the repository. Will display a warning message in this + - case. May also throw exceptions in some cases. -} -moveAnnex :: Key -> FilePath -> Annex () -moveAnnex key src = withObjectLoc key storeobject storedirect +moveAnnex :: Key -> FilePath -> Annex Bool +moveAnnex key src = ifM (checkSecureHashes key) + ( do + withObjectLoc key storeobject storedirect + return True + , return False + ) where storeobject dest = ifM (liftIO $ doesFileExist dest) ( alreadyhave @@ -509,6 +521,16 @@ moveAnnex key src = withObjectLoc key storeobject storedirect alreadyhave = liftIO $ removeFile src +checkSecureHashes :: Key -> Annex Bool +checkSecureHashes key + | cryptographicallySecure (keyVariety key) = return True + | otherwise = ifM (annexSecureHashesOnly <$> Annex.getGitConfig) + ( do + warning $ "annex.securehashesonly blocked adding " ++ formatKeyVariety (keyVariety key) ++ " key to annex objects" + return False + , return True + ) + populatePointerFile :: Key -> FilePath -> FilePath -> Annex () populatePointerFile k obj f = go =<< liftIO (isPointerFile f) where @@ -526,9 +548,12 @@ data LinkAnnexResult = LinkAnnexOk | LinkAnnexFailed | LinkAnnexNoop {- Populates the annex object file by hard linking or copying a source - file to it. -} linkToAnnex :: Key -> FilePath -> Maybe InodeCache -> Annex LinkAnnexResult -linkToAnnex key src srcic = do - dest <- calcRepo (gitAnnexLocation key) - modifyContent dest $ linkAnnex To key src srcic dest Nothing +linkToAnnex key src srcic = ifM (checkSecureHashes key) + ( do + dest <- calcRepo (gitAnnexLocation key) + modifyContent dest $ linkAnnex To key src srcic dest Nothing + , return LinkAnnexFailed + ) {- Makes a destination file be a link or copy from the annex object. -} linkFromAnnex :: Key -> FilePath -> Maybe FileMode -> Annex LinkAnnexResult |