bisc/Main.hs

141 lines
3.9 KiB
Haskell

{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE OverloadedLabels #-}
{-# LANGUAGE FlexibleContexts #-}
import Data.List (nub)
import Data.Maybe (mapMaybe)
import Data.Configurator
import Control.Monad (mapM_, filterM)
import Control.Monad.Reader (ReaderT, runReaderT, asks)
import System.FilePath (joinPath, takeBaseName, (</>))
import System.IO (readFile)
import System.Directory
import Database.Selda
import Database.Selda.SQLite
import qualified Data.Text as T
import qualified Data.Text.IO as T
data Settings = Settings
{ whitelistPath :: FilePath
, webenginePath :: FilePath
}
data Cookie = Cookie
{ host_key :: Text
, creation_utc :: Int
} deriving (Generic, Show)
instance SqlRow Cookie
type Action = ReaderT Settings IO
main :: IO ()
main = do
config <- getXdgDirectory XdgConfig ("bisc" </> "bisc.conf")
settings <- loadSettings config
runReaderT clean settings
clean :: Action ()
clean = do
path <- asks whitelistPath
whitelist <- liftIO (T.lines <$> T.readFile path)
(n, bad) <- deleteCookies whitelist
if (n > 0)
then do
log ("Cookies: deleted " <> num n <> " from:")
log (prettyPrint bad)
else log ("Cookies: nothing to delete.")
(n, bad) <- deleteData whitelist
if (n > 0)
then do
log ("Persistent data: deleted " <> num n <> " entries:")
log (prettyPrint bad)
else log ("Persistent data: nothing to delete.")
where log = liftIO . T.putStrLn
num = T.pack . show
deleteCookies :: [Text] -> Action (Int, [Text])
deleteCookies domains = do
database <- (</> "Cookies") <$> asks webenginePath
liftIO $ withSQLite database $ do
bad <- query $ do
cookie <- select cookies
restrict (by whitelist cookie)
return (cookie ! #host_key)
n <- deleteFrom cookies (by whitelist)
return (n, nub bad)
where
by set x = not_ (x ! #host_key `isIn` set)
whitelist = map text domains
deleteData :: [Text] -> Action (Int, [Text])
deleteData whitelist = do
webengine <- asks webenginePath
appCache <- liftIO $ listDirectoryAbs (webengine </> "Application Cache")
indexedDB <- liftIO $ listDirectoryAbs (webengine </> "IndexedDB")
localStorage <- liftIO $ listDirectoryAbs (webengine </> "Local Storage")
let
entries = appCache ++ indexedDB ++ localStorage
badFiles = filterMaybe (fmap unlisted . domain) entries
badDomains = mapMaybe domain badFiles
liftIO $ mapM_ removePathForcibly badFiles
return (length badFiles, nub badDomains)
where
listDirectoryAbs :: FilePath -> IO [FilePath]
listDirectoryAbs dir = map (dir </>) <$> listDirectory dir
maybeToBool :: Maybe Bool -> Bool
maybeToBool Nothing = False
maybeToBool (Just x) = x
filterMaybe :: (a -> Maybe Bool) -> [a] -> [a]
filterMaybe f = filter (maybeToBool . f)
domain :: FilePath -> Maybe Text
domain = extract . url where
extract [] = Nothing
extract (x:[]) = Nothing
extract (x:xs) = Just $ T.unwords (init xs)
url = T.splitOn "_" . T.pack . takeBaseName
unlisted = not . (`elem` whitelist)
loadSettings :: FilePath -> IO Settings
loadSettings path = do
configdir <- getXdgDirectory XdgConfig "qutebrowser"
datadir <- getXdgDirectory XdgData "qutebrowser"
let
defaultWhitelist = joinPath [configdir, "whitelists", "cookies"]
defaultWebengine = joinPath [datadir, "webengine"]
config <- load [Optional path]
whitelist <- lookupDefault defaultWhitelist config "whitelist-path"
webengine <- lookupDefault defaultWebengine config "webengine-path"
return (Settings whitelist webengine)
prettyPrint :: [Text] -> Text
prettyPrint = T.unlines . bullet
where bullet = map (" * " <>)
getDirectoryFiles :: FilePath -> IO [FilePath]
getDirectoryFiles path = map (path </>) <$>
getDirectoryContents path >>= filterM doesFileExist
cookies :: Table Cookie
cookies = table "cookies" []