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Diffstat (limited to 'Remote/Helper/Url.hs')
-rw-r--r-- | Remote/Helper/Url.hs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/Remote/Helper/Url.hs b/Remote/Helper/Url.hs deleted file mode 100644 index af1fee8f0..000000000 --- a/Remote/Helper/Url.hs +++ /dev/null @@ -1,70 +0,0 @@ -{- Url downloading for remotes. - - - - Copyright 2011 Joey Hess <joey@kitenet.net> - - - - Licensed under the GNU GPL version 3 or higher. - -} - -module Remote.Helper.Url ( - exists, - download, - get -) where - -import Control.Monad (liftM) -import Control.Monad.State (liftIO) -import qualified Network.Browser as Browser -import Network.HTTP -import Network.URI - -import Types -import Messages -import Utility - -type URLString = String - -{- Checks that an url exists and could be successfully downloaded. -} -exists :: URLString -> IO Bool -exists url = - case parseURI url of - Nothing -> return False - Just u -> do - r <- request u HEAD - case rspCode r of - (2,_,_) -> return True - _ -> return False - -{- Used to download large files, such as the contents of keys. - - Uses curl program for its progress bar. -} -download :: URLString -> FilePath -> Annex Bool -download url file = do - showOutput -- make way for curl progress bar - -- Uses the -# progress display, because the normal one is very - -- confusing when resuming, showing the remainder to download - -- as the whole file, and not indicating how much percent was - -- downloaded before the resume. - liftIO $ boolSystem "curl" [Params "-L -C - -# -o", File file, File url] - -{- Downloads a small file. -} -get :: URLString -> IO String -get url = - case parseURI url of - Nothing -> error "url parse error" - Just u -> do - r <- request u GET - case rspCode r of - (2,_,_) -> return $ rspBody r - _ -> error $ rspReason r - -{- Makes a http request of an url. For example, HEAD can be used to - - check if the url exists, or GET used to get the url content (best for - - small urls). -} -request :: URI -> RequestMethod -> IO (Response String) -request url requesttype = Browser.browse $ do - Browser.setErrHandler ignore - Browser.setOutHandler ignore - Browser.setAllowRedirects True - liftM snd $ Browser.request - (mkRequest requesttype url :: Request_String) - where - ignore = const $ return () |