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|
{-# LANGUAGE QuasiQuotes #-}
module Main where
import Data.Version (showVersion)
import Paths_zerobin (version) -- from cabal
import System.Environment (getArgs)
import System.Exit (exitFailure)
import System.IO (stderr, hPutStrLn)
import Text.RawString.QQ (r)
import Web.ZeroBin (share, Expiration(..))
import qualified Data.ByteString as BS
import qualified Data.ByteString.Char8 as C
import qualified System.Console.Docopt.NoTH as O
usage :: String
usage = "zerobin " ++ showVersion version
++ " pastes to 0bin services" ++ [r|
zerobin prints URI to be shared or error message
See http://0bin.net and https://paste.ec
Usage:
zerobin [options] TEXT
Options:
-b, --bin=BIN 0bin service [default: https://paste.ec]
-f, --file Paste the content of file TEXT ("-" for stdin)
-e, --expire=E Set expiration of paste: once, day, week, month [default: day]
-h, --help Show this message
Examples:
zerobin hello paste "hello" for a day
zerobin -f /etc/fstab paste file /etc/fstab for a day
cat /etc/fstab | zerobin -f - likewise
zerobin -e once hello paste "hello", it will burn after reading
zerobin -b http://0bin.net hello paste to 0bin.net
|]
getExpiration :: String -> Maybe Expiration
getExpiration e =
case e of
"once" -> Just Once
"day" -> Just Day
"week" -> Just Week
"month" -> Just Month
_ -> Nothing
die :: String -> IO ()
die msg = do
hPutStrLn stderr $ "zerobin: " ++ msg
exitFailure
getContent :: Bool -> String -> IO BS.ByteString
getContent fromFile text
| fromFile && (text == "-") = BS.getContents
| fromFile = BS.readFile text
| otherwise = return $ C.pack text
main :: IO ()
main = do
doco <- O.parseUsageOrExit usage
args <- O.parseArgsOrExit doco =<< getArgs
if args `O.isPresent` O.longOption "help"
then putStrLn $ O.usage doco
else do
let get = O.getArgOrExitWith doco
bin <- args `get` O.longOption "bin"
expire <- args `get` O.longOption "expire"
text <- args `get` O.argument "TEXT"
cnt <- getContent (args `O.isPresent` O.longOption "file") text
case getExpiration expire of
Nothing -> die "invalid value for expiration"
Just e -> share bin e cnt >>= putStrLn
|
