{-| Module : Gargantext.API.Settings Description : Settings of the API (Server and Client) Copyright : (c) CNRS, 2017-Present License : AGPL + CECILL v3 Maintainer : team@gargantext.org Stability : experimental Portability : POSIX -} {-# OPTIONS_GHC -fno-warn-name-shadowing #-} {-# LANGUAGE NoImplicitPrelude #-} {-# LANGUAGE DataKinds #-} {-# LANGUAGE DeriveGeneric #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TemplateHaskell #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE FlexibleInstances #-} module Gargantext.API.Settings where import System.Log.FastLogger import GHC.Enum import GHC.Generics (Generic) import Prelude (Bounded()) import System.Environment (lookupEnv) import System.IO (FilePath) import Database.PostgreSQL.Simple (Connection, connect) import Network.HTTP.Client (Manager) import Network.HTTP.Client.TLS (newTlsManager) import Data.Maybe (fromMaybe) import Data.Either (either) import Data.Text import Data.Text.Encoding (encodeUtf8) import Data.ByteString.Lazy.Internal import Servant import Servant.Client (BaseUrl, parseBaseUrl) import Servant.Job.Async (newJobEnv, defaultSettings) import Web.HttpApiData (parseUrlPiece) import qualified Jose.Jwk as Jose import qualified Jose.Jwa as Jose import Control.Concurrent import Control.Monad.Logger import Control.Lens import Gargantext.Prelude import Gargantext.Database.Utils (databaseParameters, HasConnection(..)) import Gargantext.API.Ngrams (NgramsRepo, HasRepoVar(..), initMockRepo) import Gargantext.API.Orchestrator.Types type PortNumber = Int data SendEmailType = SendEmailViaAws | LogEmailToConsole | WriteEmailToFile deriving (Show, Read, Enum, Bounded, Generic) data Settings = Settings { _allowedOrigin :: ByteString -- ^ allowed origin for CORS , _allowedHost :: ByteString -- ^ allowed host for CORS , _appPort :: PortNumber , _logLevelLimit :: LogLevel -- ^ log level from the monad-logger package -- , _dbServer :: Text -- ^ this is not used yet , _jwtSecret :: Jose.Jwk -- ^ key from the jose-jwt package , _sendLoginEmails :: SendEmailType , _scrapydUrl :: BaseUrl } makeLenses ''Settings parseJwk :: Text -> Jose.Jwk parseJwk secretStr = jwk where secretBs = encodeUtf8 secretStr jwk = Jose.SymmetricJwk secretBs Nothing Nothing (Just $ Jose.Signed Jose.HS256) devSettings :: Settings devSettings = Settings { _allowedOrigin = "http://localhost:8008" , _allowedHost = "localhost:3000" , _appPort = 3000 , _logLevelLimit = LevelDebug -- , _dbServer = "localhost" -- generate with dd if=/dev/urandom bs=1 count=32 | base64 -- make sure jwtSecret differs between development and production, because you do not want -- your production key inside source control. , _jwtSecret = parseJwk "MVg0YAPVSPiYQc/qIs/rV/X32EFR0zOJWfHFgMbszMw=" , _sendLoginEmails = LogEmailToConsole , _scrapydUrl = fromMaybe (panic "Invalid scrapy URL") $ parseBaseUrl "http://localhost:6800" } reqSetting :: FromHttpApiData a => Text -> IO a reqSetting name = do e <- fromMaybe (panic $ "Missing " <> name) <$> lookupEnv (unpack name) pure $ either (panic $ "Unable to parse " <> name) identity $ parseUrlPiece $ pack e optSetting :: FromHttpApiData a => Text -> a -> IO a optSetting name d = do me <- lookupEnv (unpack name) case me of Nothing -> pure d Just e -> pure $ either (panic $ "Unable to parse " <> name) identity $ parseUrlPiece $ pack e --settingsFromEnvironment :: IO Settings --settingsFromEnvironment = -- Settings <$> (encodeUtf8 <$> reqSetting "ALLOWED_ORIGIN") -- <*> (encodeUtf8 <$> reqSetting "ALLOWED_HOST") -- <*> optSetting "PORT" 3000 -- <*> (parseLogLevel <$> optSetting "LOG_LEVEL" "warn") -- <*> reqSetting "DB_SERVER" -- <*> (parseJwk <$> reqSetting "JWT_SECRET") -- <*> optSetting "SEND_EMAIL" SendEmailViaAws data FireWall = FireWall { unFireWall :: Bool } data Env = Env { _env_settings :: !Settings , _env_logger :: !LoggerSet , _env_conn :: !Connection , _env_repo_var :: !(MVar NgramsRepo) , _env_manager :: !Manager , _env_self_url :: !BaseUrl , _env_scrapers :: !ScrapersEnv } deriving (Generic) makeLenses ''Env instance HasConnection Env where connection = env_conn instance HasRepoVar Env where repoVar = env_repo_var data MockEnv = MockEnv { _menv_firewall :: !FireWall } deriving (Generic) makeLenses ''MockEnv newEnv :: PortNumber -> FilePath -> IO Env newEnv port file = do manager <- newTlsManager settings <- pure (devSettings & appPort .~ port) -- TODO read from 'file' when (port /= settings ^. appPort) $ panic "TODO: conflicting settings of port" self_url <- parseBaseUrl $ "http://0.0.0.0:" <> show port param <- databaseParameters file conn <- connect param repo_var <- newMVar initMockRepo scrapers_env <- newJobEnv defaultSettings manager logger <- newStderrLoggerSet defaultBufSize pure $ Env { _env_settings = settings , _env_logger = logger , _env_conn = conn , _env_repo_var = repo_var , _env_manager = manager , _env_scrapers = scrapers_env , _env_self_url = self_url }