61 lines
1.8 KiB
Haskell
61 lines
1.8 KiB
Haskell
module Hsbot.Utils
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( addThreadIdToQuitMVar
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, delThreadIdFromQuitMVar
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, hasAccess
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, initTLSEnv
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, sendStr
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, setGlobalQuitMVar
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) where
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import Control.Concurrent
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import Control.Monad.Reader
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import Control.Monad.State
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import qualified Data.ByteString.Lazy.UTF8 as L
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import qualified Data.List as L
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import qualified Network.IRC as IRC
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import Network.TLS
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import System.IO
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import Hsbot.Types
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-- utility functions
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addThreadIdToQuitMVar :: ThreadId -> Env IO ()
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addThreadIdToQuitMVar thrId = do
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threadIdsMv <- asks envThreadIdsMv
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liftIO $ modifyMVar_ threadIdsMv (\l -> return $ thrId:l)
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delThreadIdFromQuitMVar :: ThreadId -> Env IO ()
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delThreadIdFromQuitMVar thrId = do
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threadIdsMv <- asks envThreadIdsMv
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liftIO $ modifyMVar_ threadIdsMv (return . L.delete thrId)
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setGlobalQuitMVar :: BotStatus -> Env IO ()
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setGlobalQuitMVar status = do
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quitMv <- asks envQuitMv
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liftIO $ putMVar quitMv status
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-- Access rights
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hasAccess :: Maybe IRC.Prefix -> AccessRight -> Env IO (Bool)
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hasAccess Nothing _ = return False
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hasAccess (Just mask) right = do
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botMVar <- asks envBotState
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liftIO (readMVar botMVar) >>= evalStateT (gets botAccess >>= return . or . map accessMatch)
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where
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accessMatch :: AccessList -> Bool
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accessMatch (AccessList amask arights)
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| mask == amask = or [L.elem Admin arights, L.elem right arights]
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| otherwise = False
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-- Helpers
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sendStr :: Handle -> Maybe TLSCtx -> String -> IO ()
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sendStr _ (Just ctx) msg = sendData ctx . L.fromString $ msg ++ "\r\n"
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sendStr handle Nothing msg = hPutStrLn handle $ msg ++ "\r\n"
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-- TLS utils
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initTLSEnv :: TLSConfig -> IO TLSParams
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initTLSEnv ssl = do
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let versions = sslVersions ssl
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ciphers = sslCiphers ssl
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return $ defaultParams { pAllowedVersions = versions
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, pCiphers = ciphers }
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