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{-# LANGUAGE OverloadedStrings #-}
module Sproxy.Config (
BackendConf(..)
, ConfigFile(..)
, OAuth2Conf(..)
) where
import Control.Applicative (empty)
import Data.Aeson (FromJSON, parseJSON)
import Data.HashMap.Strict (HashMap)
import Data.Int (Int64)
import Data.Text (Text)
import Data.Word (Word16)
import Data.Yaml (Value(Object), (.:), (.:?), (.!=))
import Sproxy.Logging (LogLevel(Debug))
data ConfigFile = ConfigFile {
cfListen :: Word16
, cfSsl :: Bool
, cfUser :: String
, cfHome :: FilePath
, cfLogLevel :: LogLevel
, cfSslCert :: Maybe FilePath
, cfSslKey :: Maybe FilePath
, cfSslCertChain :: [FilePath]
, cfKey :: Maybe String
, cfListen80 :: Maybe Bool
, cfHttpsPort :: Maybe Word16
, cfBackends :: [BackendConf]
, cfOAuth2 :: HashMap Text OAuth2Conf
, cfDataFile :: Maybe FilePath
, cfDatabase :: Maybe String
, cfPgPassFile :: Maybe FilePath
, cfHTTP2 :: Bool
} deriving (Show)
instance FromJSON ConfigFile where
parseJSON (Object m) = ConfigFile <$>
m .:? "listen" .!= 443
<*> m .:? "ssl" .!= True
<*> m .:? "user" .!= "sproxy"
<*> m .:? "home" .!= "."
<*> m .:? "log_level" .!= Debug
<*> m .:? "ssl_cert"
<*> m .:? "ssl_key"
<*> m .:? "ssl_cert_chain" .!= []
<*> m .:? "key"
<*> m .:? "listen80"
<*> m .:? "https_port"
<*> m .: "backends"
<*> m .: "oauth2"
<*> m .:? "datafile"
<*> m .:? "database"
<*> m .:? "pgpassfile"
<*> m .:? "http2" .!= True
parseJSON _ = empty
data BackendConf = BackendConf {
beName :: String
, beAddress :: String
, bePort :: Maybe Word16
, beSocket :: Maybe FilePath
, beCookieName :: String
, beCookieDomain :: Maybe String
, beCookieMaxAge :: Int64
, beConnCount :: Int
} deriving (Show)
instance FromJSON BackendConf where
parseJSON (Object m) = BackendConf <$>
m .:? "name" .!= "*"
<*> m .:? "address" .!= "127.0.0.1"
<*> m .:? "port"
<*> m .:? "socket"
<*> m .:? "cookie_name" .!= "sproxy"
<*> m .:? "cookie_domain"
<*> m .:? "cookie_max_age" .!= (7 * 24 * 60 * 60)
<*> m .:? "conn_count" .!= 32
parseJSON _ = empty
data OAuth2Conf = OAuth2Conf {
oa2ClientId :: String
, oa2ClientSecret :: String
} deriving (Show)
instance FromJSON OAuth2Conf where
parseJSON (Object m) = OAuth2Conf <$>
m .: "client_id"
<*> m .: "client_secret"
parseJSON _ = empty
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