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authorSam T <sta.cs.vsu@gmail.com>2013-04-08 05:16:56 +0400
committerSam T <sta.cs.vsu@gmail.com>2013-04-08 05:16:56 +0400
commite64862237d02ca4c627fa48fe94c33ce2c757e7e (patch)
tree967311584d2c82656d7ef673253b9a1f11e38637 /src/Network/Torrent/Tracker.hs
parent0e129341291f20eacc03beefa51376c2dc43301c (diff)
add scrapeURL implementation
Diffstat (limited to 'src/Network/Torrent/Tracker.hs')
-rw-r--r--src/Network/Torrent/Tracker.hs20
1 files changed, 3 insertions, 17 deletions
diff --git a/src/Network/Torrent/Tracker.hs b/src/Network/Torrent/Tracker.hs
index 5faa1dd9..ef2413f6 100644
--- a/src/Network/Torrent/Tracker.hs
+++ b/src/Network/Torrent/Tracker.hs
@@ -30,7 +30,6 @@ import Network.HTTP
30import Network.URI 30import Network.URI
31import Network.Torrent.PeerID 31import Network.Torrent.PeerID
32 32
33import Numeric
34 33
35data Peer = Peer { 34data Peer = Peer {
36 peerID :: Maybe PeerID 35 peerID :: Maybe PeerID
@@ -150,22 +149,9 @@ instance URLEncode TRequest where
150 where s :: String -> String; s = id; {-# INLINE s #-} 149 where s :: String -> String; s = id; {-# INLINE s #-}
151 150
152encodeRequest :: TRequest -> URI 151encodeRequest :: TRequest -> URI
153encodeRequest req = URL.urlEncode req `addToURI` reqAnnounce req 152encodeRequest req = URL.urlEncode req
154 `addHash` BC.unpack (getInfoHash (reqInfoHash req)) 153 `addToURI` reqAnnounce req
155 where 154 `addHashToURI` reqInfoHash req
156 addHash :: URI -> String -> URI
157 addHash uri s = uri { uriQuery = uriQuery uri ++ "&info_hash=" ++ rfc1738Encode s }
158
159 rfc1738Encode :: String -> String
160 rfc1738Encode = L.concatMap (\c -> if unreserved c then [c] else encode c)
161 where
162 unreserved = (`L.elem` chars)
163 chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_./"
164 encode :: Char -> String
165 encode c = '%' : pHex c
166 pHex c =
167 let p = (showHex . ord $ c) ""
168 in if L.length p == 1 then '0' : p else p
169 155
170 156
171-- | Ports typically reserved for bittorrent. 157-- | Ports typically reserved for bittorrent.