support index
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54
Gemini.hs
54
Gemini.hs
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@ -6,14 +6,15 @@ import Network.Mime
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import System.Directory (doesFileExist, doesDirectoryExist)
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import Text.Regex
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import Text.Regex.PCRE
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import Control.Exception
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-- check :: FilePath -> IO Bool
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-- check s = do
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-- result <- doesFileExist
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-- if result
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-- then pure True
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-- else pure False
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getFile :: FilePath -> IO (Maybe String)
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getFile s = do
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result <- try (readFile s) :: IO (Either SomeException String)
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case result of
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Left ex -> return Nothing
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Right ex -> return (pure ex)
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-- return components of the url
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-- gemini:// | hostname | uri | ? | query
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@ -43,6 +44,12 @@ data Gemini = MkGemini
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{ domain :: String
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, file :: String
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, query :: String
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}
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data Answer = MkAnswer
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{ code :: Int
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, lang :: String
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, content :: String
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, mime :: String
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}
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@ -59,11 +66,36 @@ parse_to_gemini tab =
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{ domain = tab!!0!!2
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, file = tab!!0!!3
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, query = tab!!0!!5
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, mime = get_mime (tab!!0!!3)
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}
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get_reply :: String -> Int -> String -> String
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get_reply mime return lang
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| lang /= "" = "20 " ++ mime ++ "; lang=" ++ lang ++ " \r\n"
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| lang == "" = "20 " ++ mime ++ "; \r\n"
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create_answer :: Gemini -> String -> String -> IO Answer
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create_answer (MkGemini domain file query) language basedir = do
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content <- getFile $ basedir ++ file
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case content of
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Just x -> return (MkAnswer
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{ code = 20
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, lang = language
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, mime = get_mime file
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, content = x
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})
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Nothing -> do
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content' <- getFile $ basedir ++ file ++ "/index.gmi"
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case content' of
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Just y -> return (MkAnswer
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{ code = 20
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, lang = language
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, mime = get_mime $ file ++ "/index.gmi"
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, content = y
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})
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Nothing -> return (MkAnswer
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{ code = 50
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, lang = language
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, mime = ""
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, content = "error ici " ++ basedir ++ file ++ "/index.gmi"
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})
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make_reply :: Answer -> String
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make_reply (MkAnswer code lang content mime)
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| lang /= "" = (show code) ++ " " ++ mime ++ "; lang=" ++ lang ++ " \r\n"
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| lang == "" = (show code) ++ " " ++ mime ++ "; \r\n"
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| otherwise = "50\r\n"
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6
Vger.hs
6
Vger.hs
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@ -28,6 +28,6 @@ main = do
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options <- execParser opts
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url <- get_request
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let request = parse_to_gemini (parse_url url)
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content <- read_file pathname
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putStr (get_reply (mime request) 20 (language options))
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putStr content
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answer <- create_answer request (language options) (baseDir options)
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putStr (make_reply answer)
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putStr (content answer)
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