50 lines
1.4 KiB
Haskell
50 lines
1.4 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Breve.Settings where
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import Control.Monad (when)
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import System.Environment (lookupEnv)
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import System.Environment.XDG.BaseDir
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import System.Directory (doesFileExist)
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import Data.Configurator
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import Network.Wai.Handler.WarpTLS (tlsSettings, TLSSettings)
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data AppSettings = AppSettings
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{ bindPort :: Int
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, bindUrl :: String
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, urlTable :: FilePath
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, tlsSetts :: TLSSettings
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}
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createEmptyIfMissing :: FilePath -> IO ()
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createEmptyIfMissing file = do
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exists <- doesFileExist file
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when (not exists) (writeFile file "")
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settings :: IO AppSettings
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settings = do
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urlsPath <- getUserDataFile "breve" ""
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configPath <- getUserConfigFile "breve" ""
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config <- load [Required configPath]
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host <- lookupDefault "localhost" config "hostname"
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port <- lookupDefault 3000 config "port"
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cert <- lookupDefault "/usr/share/tls/breve.crt" config "cert"
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key <- lookupDefault "/usr/share/tls/breve.key" config "key"
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urls <- lookupDefault urlsPath config "urltable"
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createEmptyIfMissing urls
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let base = "https://" ++ host
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url = if port == 443
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then base
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else base ++ ":" ++ show port
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return AppSettings
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{ bindPort = port
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, bindUrl = url ++ "/"
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, urlTable = urls
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, tlsSetts = tlsSettings cert key
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}
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