From: Ramakrishnan Muthukrishnan Date: Sun, 15 Feb 2015 23:21:43 +0000 (+0530) Subject: talk to tracker and get the peer dict X-Git-Url: https://git.rkrishnan.org/?a=commitdiff_plain;h=219b770fa09196e0c6ce9d4aa91a3754e0015f47;p=functorrent.git talk to tracker and get the peer dict --- diff --git a/src/Main.hs b/src/Main.hs index a8a8d1f..f08c295 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -23,8 +23,9 @@ main = do Nothing -> putStrLn "parse error" Just m -> do let (Benc.Bdict d') = d - putStrLn (show m) --- putStrLn (T.infoHash d') - putStrLn (T.prepareRequest d genPeerId) +-- putStrLn (show m) +-- putStrLn (T.urlEncode (T.infoHash d')) + do body <- T.connect (MInfo.announce m) (T.prepareRequest d genPeerId) + putStrLn body Left e -> printError e putStrLn "done" diff --git a/src/Tracker.hs b/src/Tracker.hs index d388039..7d5525f 100644 --- a/src/Tracker.hs +++ b/src/Tracker.hs @@ -3,10 +3,11 @@ module Tracker where import qualified Data.ByteString.Char8 as BC import qualified Data.Map as M import qualified Data.List as List -import qualified Network.HTTP.Base as HB +import qualified Network.HTTP as HTTP import qualified Bencode as Benc import qualified Crypto.Hash as H import qualified Crypto.Hash.SHA1 as SHA1 +import qualified Data.ByteString.Base16 as B16 import Data.Char -- import Network.HTTP @@ -35,10 +36,10 @@ urlEncode bs = concatMap (encode . BC.unpack) (splitN 2 bs) infoHash :: (M.Map Benc.BVal Benc.BVal) -> BC.ByteString infoHash m = let info = m M.! (Benc.Bstr (BC.pack "info")) - in SHA1.hash $ BC.pack $ Benc.encode info + in (B16.encode . SHA1.hash . BC.pack . Benc.encode) info peerHash :: String -> BC.ByteString -peerHash peer_id = SHA1.hash (BC.pack peer_id) +peerHash = (B16.encode . SHA1.hash . BC.pack) prepareRequest :: Benc.BVal -> String -> String prepareRequest (Benc.Bdict d) peer_id = let p = [("info_hash", urlEncode (infoHash d)), @@ -52,9 +53,7 @@ prepareRequest (Benc.Bdict d) peer_id = let p = [("info_hash", urlEncode (infoHa in List.intercalate "&" [f ++ "=" ++ s | (f,s) <- p] --- (chr . read . ("0x" ++) . BC.unpack) --- connect :: Url -> String -> IO (Benc.BVal) --- connect url infoHash = case (parseUrl url) of --- Nothing -> putStrLn "invalid tracker URL" --- Just req -> let - +connect :: Url -> String -> IO (String) +connect baseurl qstr = let url = baseurl ++ "?" ++ qstr + in HTTP.simpleHTTP (HTTP.getRequest url) >>= + HTTP.getResponseBody