+{-
+ - Copyright (C) 2015-2016 Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
+ -
+ - This file is part of FuncTorrent.
+ -
+ - FuncTorrent is free software; you can redistribute it and/or modify
+ - it under the terms of the GNU General Public License as published by
+ - the Free Software Foundation; either version 3 of the License, or
+ - (at your option) any later version.
+ -
+ - FuncTorrent is distributed in the hope that it will be useful,
+ - but WITHOUT ANY WARRANTY; without even the implied warranty of
+ - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ - GNU General Public License for more details.
+ -
+ - You should have received a copy of the GNU General Public License
+ - along with FuncTorrent; if not, see <http://www.gnu.org/licenses/>
+ -}
+
module FuncTorrent.Metainfo
(Info(..),
Metainfo(..),
- mkInfo,
- mkMetaInfo
+ torrentToMetainfo
) where
import Prelude hiding (lookup)
import Crypto.Hash.SHA1 (hash)
import Data.Maybe (maybeToList)
-import FuncTorrent.Bencode (BVal(..), encode, bstrToString, bValToInteger)
+import FuncTorrent.Bencode (BVal(..), encode, decode, bstrToString, bValToInteger)
-- only single file mode supported for the time being.
data Info = Info { pieceLength :: !Integer
, encoding = bstrToString =<< encoding'
, infoHash = hash . encode $ (m ! "info")
}
-
mkMetaInfo _ = Left "mkMetaInfo: expect an input dict"
getAnnounceList :: Maybe BVal -> [String]
[Bstr s''] -> unpack s''
_ -> ""
_ -> "") l
-
getAnnounceList (Just (Bdict _)) = []
+
+torrentToMetainfo :: ByteString -> Either String Metainfo
+torrentToMetainfo s =
+ case decode s of
+ Right d -> mkMetaInfo d
+ Left e -> Left $ show e