mirror of
https://github.com/hasura/graphql-engine.git
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81df199169
https://github.com/hasura/graphql-engine-mono/pull/2318 GitOrigin-RevId: a07b39469fa84a1ae3c913955872dcaade689c6e
386 lines
14 KiB
Haskell
386 lines
14 KiB
Haskell
-- | Types and classes related to configuration when the server is initialised
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module Hasura.Server.Init.Config where
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import qualified Data.Aeson as J
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import qualified Data.Aeson.Casing as J
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import qualified Data.Aeson.TH as J
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import qualified Data.HashSet as Set
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import qualified Data.String as DataString
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import qualified Data.Text as T
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import qualified Database.PG.Query as Q
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import qualified Network.WebSockets as WS
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import Data.Aeson
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import Data.Char (toLower)
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import Data.Time
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import Data.URL.Template
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import Network.Wai.Handler.Warp (HostPreference)
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import qualified Hasura.GraphQL.Execute.LiveQuery.Options as LQ
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import qualified Hasura.Logging as L
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import Hasura.Prelude
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import Hasura.RQL.Types
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import Hasura.Server.Auth
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import Hasura.Server.Cors
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import Hasura.Server.Types
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import Hasura.Server.Utils
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import Hasura.Session
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data RawConnParams
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= RawConnParams
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{ rcpStripes :: !(Maybe Int)
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, rcpConns :: !(Maybe Int)
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, rcpIdleTime :: !(Maybe Int)
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, rcpConnLifetime :: !(Maybe NominalDiffTime)
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-- ^ Time from connection creation after which to destroy a connection and
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-- choose a different/new one.
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, rcpAllowPrepare :: !(Maybe Bool)
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, rcpPoolTimeout :: !(Maybe NominalDiffTime)
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-- ^ See @HASURA_GRAPHQL_PG_POOL_TIMEOUT@
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} deriving (Show, Eq)
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type RawAuthHook = AuthHookG (Maybe Text) (Maybe AuthHookType)
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-- | Sleep time interval for recurring activities such as (@'asyncActionsProcessor')
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-- Presently @'msToOptionalInterval' interprets `0` as Skip.
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data OptionalInterval
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= Skip -- ^ No polling
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| Interval !Milliseconds -- ^ Interval time
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deriving (Show, Eq)
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msToOptionalInterval :: Milliseconds -> OptionalInterval
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msToOptionalInterval = \case
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0 -> Skip
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s -> Interval s
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instance FromJSON OptionalInterval where
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parseJSON v = msToOptionalInterval <$> parseJSON v
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instance ToJSON OptionalInterval where
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toJSON = \case
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Skip -> toJSON @Milliseconds 0
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Interval s -> toJSON s
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data API
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= METADATA
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| GRAPHQL
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| PGDUMP
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| DEVELOPER
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| CONFIG
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deriving (Show, Eq, Read, Generic)
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$(J.deriveJSON (J.defaultOptions { J.constructorTagModifier = map toLower })
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''API)
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instance Hashable API
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data RawServeOptions impl
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= RawServeOptions
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{ rsoPort :: !(Maybe Int)
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, rsoHost :: !(Maybe HostPreference)
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, rsoConnParams :: !RawConnParams
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, rsoTxIso :: !(Maybe Q.TxIsolation)
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, rsoAdminSecret :: !(Maybe AdminSecretHash)
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, rsoAuthHook :: !RawAuthHook
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, rsoJwtSecret :: !(Maybe JWTConfig)
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, rsoUnAuthRole :: !(Maybe RoleName)
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, rsoCorsConfig :: !(Maybe CorsConfig)
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, rsoEnableConsole :: !Bool
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, rsoConsoleAssetsDir :: !(Maybe Text)
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, rsoEnableTelemetry :: !(Maybe Bool)
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, rsoWsReadCookie :: !Bool
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, rsoStringifyNum :: !Bool
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, rsoDangerousBooleanCollapse :: !(Maybe Bool)
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, rsoEnabledAPIs :: !(Maybe [API])
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, rsoMxRefetchInt :: !(Maybe LQ.RefetchInterval)
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, rsoMxBatchSize :: !(Maybe LQ.BatchSize)
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, rsoEnableAllowlist :: !Bool
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, rsoEnabledLogTypes :: !(Maybe [L.EngineLogType impl])
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, rsoLogLevel :: !(Maybe L.LogLevel)
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, rsoDevMode :: !Bool
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, rsoAdminInternalErrors :: !(Maybe Bool)
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, rsoEventsHttpPoolSize :: !(Maybe Int)
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, rsoEventsFetchInterval :: !(Maybe Milliseconds)
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, rsoAsyncActionsFetchInterval :: !(Maybe Milliseconds)
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, rsoLogHeadersFromEnv :: !Bool
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, rsoEnableRemoteSchemaPermissions :: !Bool
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, rsoWebSocketCompression :: !Bool
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, rsoWebSocketKeepAlive :: !(Maybe Int)
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, rsoInferFunctionPermissions :: !(Maybe Bool)
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, rsoEnableMaintenanceMode :: !Bool
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, rsoSchemaPollInterval :: !(Maybe Milliseconds)
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, rsoExperimentalFeatures :: !(Maybe [ExperimentalFeature])
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, rsoEventsFetchBatchSize :: !(Maybe NonNegativeInt)
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, rsoGracefulShutdownTimeout :: !(Maybe Seconds)
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, rsoWebSocketConnectionInitTimeout :: !(Maybe Int)
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}
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-- | @'ResponseInternalErrorsConfig' represents the encoding of the internal
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-- errors in the response to the client.
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-- See the github comment https://github.com/hasura/graphql-engine/issues/4031#issuecomment-609747705 for more details.
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data ResponseInternalErrorsConfig
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= InternalErrorsAllRequests
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| InternalErrorsAdminOnly
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| InternalErrorsDisabled
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deriving (Show, Eq)
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shouldIncludeInternal :: RoleName -> ResponseInternalErrorsConfig -> Bool
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shouldIncludeInternal role = \case
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InternalErrorsAllRequests -> True
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InternalErrorsAdminOnly -> role == adminRoleName
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InternalErrorsDisabled -> False
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newtype KeepAliveDelay = KeepAliveDelay { unKeepAliveDelay :: Seconds }
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deriving (Eq, Show)
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$(J.deriveJSON hasuraJSON ''KeepAliveDelay)
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defaultKeepAliveDelay :: KeepAliveDelay
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defaultKeepAliveDelay = KeepAliveDelay $ fromIntegral (5 :: Int)
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newtype WSConnectionInitTimeout = WSConnectionInitTimeout { unWSConnectionInitTimeout :: Seconds }
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deriving (Eq, Show)
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$(J.deriveJSON hasuraJSON ''WSConnectionInitTimeout)
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defaultWSConnectionInitTimeout :: WSConnectionInitTimeout
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defaultWSConnectionInitTimeout = WSConnectionInitTimeout $ fromIntegral (3 :: Int)
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data ServeOptions impl
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= ServeOptions
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{ soPort :: !Int
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, soHost :: !HostPreference
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, soConnParams :: !Q.ConnParams
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, soTxIso :: !Q.TxIsolation
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, soAdminSecret :: !(Maybe AdminSecretHash)
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, soAuthHook :: !(Maybe AuthHook)
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, soJwtSecret :: !(Maybe JWTConfig)
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, soUnAuthRole :: !(Maybe RoleName)
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, soCorsConfig :: !CorsConfig
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, soEnableConsole :: !Bool
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, soConsoleAssetsDir :: !(Maybe Text)
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, soEnableTelemetry :: !Bool
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, soStringifyNum :: !Bool
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, soDangerousBooleanCollapse :: !Bool
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, soEnabledAPIs :: !(Set.HashSet API)
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, soLiveQueryOpts :: !LQ.LiveQueriesOptions
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, soEnableAllowlist :: !Bool
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, soEnabledLogTypes :: !(Set.HashSet (L.EngineLogType impl))
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, soLogLevel :: !L.LogLevel
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, soResponseInternalErrorsConfig :: !ResponseInternalErrorsConfig
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, soEventsHttpPoolSize :: !(Maybe Int)
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, soEventsFetchInterval :: !(Maybe Milliseconds)
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, soAsyncActionsFetchInterval :: !OptionalInterval
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, soLogHeadersFromEnv :: !Bool
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, soEnableRemoteSchemaPermissions :: !RemoteSchemaPermsCtx
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, soConnectionOptions :: !WS.ConnectionOptions
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, soWebsocketKeepAlive :: !KeepAliveDelay
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, soInferFunctionPermissions :: !FunctionPermissionsCtx
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, soEnableMaintenanceMode :: !MaintenanceMode
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, soSchemaPollInterval :: !OptionalInterval
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, soExperimentalFeatures :: !(Set.HashSet ExperimentalFeature)
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, soEventsFetchBatchSize :: !NonNegativeInt
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, soDevMode :: !Bool
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, soGracefulShutdownTimeout :: !Seconds
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, soWebsocketConnectionInitTimeout :: !WSConnectionInitTimeout
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}
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data DowngradeOptions
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= DowngradeOptions
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{ dgoTargetVersion :: !Text
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, dgoDryRun :: !Bool
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} deriving (Show, Eq)
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data PostgresConnInfo a
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= PostgresConnInfo
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{ _pciDatabaseConn :: !a
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, _pciRetries :: !(Maybe Int)
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} deriving (Show, Eq, Functor, Foldable, Traversable)
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data PostgresRawConnDetails =
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PostgresRawConnDetails
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{ connHost :: !String
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, connPort :: !Int
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, connUser :: !String
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, connPassword :: !String
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, connDatabase :: !String
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, connOptions :: !(Maybe String)
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} deriving (Eq, Read, Show)
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data PostgresRawConnInfo
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= PGConnDatabaseUrl !URLTemplate
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| PGConnDetails !PostgresRawConnDetails
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deriving (Show, Eq)
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rawConnDetailsToUrl :: PostgresRawConnDetails -> URLTemplate
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rawConnDetailsToUrl =
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mkPlainURLTemplate . rawConnDetailsToUrlText
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rawConnDetailsToUrlText :: PostgresRawConnDetails -> Text
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rawConnDetailsToUrlText PostgresRawConnDetails{..} =
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T.pack $
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"postgresql://" <> connUser <>
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":" <> connPassword <>
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"@" <> connHost <>
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":" <> show connPort <>
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"/" <> connDatabase <>
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maybe "" ("?options=" <>) connOptions
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data HGECommandG a
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= HCServe !a
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| HCExport
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| HCClean
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| HCVersion
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| HCDowngrade !DowngradeOptions
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deriving (Show, Eq)
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$(J.deriveJSON (J.aesonPrefix J.camelCase){J.omitNothingFields=True} ''PostgresRawConnDetails)
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type HGECommand impl = HGECommandG (ServeOptions impl)
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type RawHGECommand impl = HGECommandG (RawServeOptions impl)
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data HGEOptionsG a b
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= HGEOptionsG
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{ hoDatabaseUrl :: !(PostgresConnInfo a)
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, hoMetadataDbUrl :: !(Maybe String)
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, hoCommand :: !(HGECommandG b)
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} deriving (Show, Eq)
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type RawHGEOptions impl = HGEOptionsG (Maybe PostgresRawConnInfo) (RawServeOptions impl)
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type HGEOptions impl = HGEOptionsG (Maybe UrlConf) (ServeOptions impl)
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type Env = [(String, String)]
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readHookType :: String -> Either String AuthHookType
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readHookType tyS =
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case tyS of
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"GET" -> Right AHTGet
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"POST" -> Right AHTPost
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_ -> Left "Only expecting GET / POST"
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parseStrAsBool :: String -> Either String Bool
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parseStrAsBool t
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| map toLower t `elem` truthVals = Right True
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| map toLower t `elem` falseVals = Right False
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| otherwise = Left errMsg
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where
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truthVals = ["true", "t", "yes", "y"]
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falseVals = ["false", "f", "no", "n"]
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errMsg = " Not a valid boolean text. " ++ "True values are "
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++ show truthVals ++ " and False values are " ++ show falseVals
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++ ". All values are case insensitive"
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readNonNegativeInt :: String -> Either String NonNegativeInt
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readNonNegativeInt s =
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onNothing (mkNonNegativeInt =<< readMaybe s) $ Left "Only expecting a non negative integer"
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readAPIs :: String -> Either String [API]
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readAPIs = mapM readAPI . T.splitOn "," . T.pack
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where readAPI si = case T.toUpper $ T.strip si of
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"METADATA" -> Right METADATA
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"GRAPHQL" -> Right GRAPHQL
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"PGDUMP" -> Right PGDUMP
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"DEVELOPER" -> Right DEVELOPER
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"CONFIG" -> Right CONFIG
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_ -> Left "Only expecting list of comma separated API types metadata,graphql,pgdump,developer,config"
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readExperimentalFeatures :: String -> Either String [ExperimentalFeature]
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readExperimentalFeatures = mapM readAPI . T.splitOn "," . T.pack
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where readAPI si = case T.toLower $ T.strip si of
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"inherited_roles" -> Right EFInheritedRoles
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_ -> Left "Only expecting list of comma separated experimental features"
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readLogLevel :: String -> Either String L.LogLevel
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readLogLevel s = case T.toLower $ T.strip $ T.pack s of
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"debug" -> Right L.LevelDebug
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"info" -> Right L.LevelInfo
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"warn" -> Right L.LevelWarn
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"error" -> Right L.LevelError
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_ -> Left "Valid log levels: debug, info, warn or error"
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readJson :: (J.FromJSON a) => String -> Either String a
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readJson = J.eitherDecodeStrict . txtToBs . T.pack
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class FromEnv a where
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fromEnv :: String -> Either String a
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-- Deserialize from seconds, in the usual way
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instance FromEnv NominalDiffTime where
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fromEnv s = maybe (Left "could not parse as a Double") (Right . realToFrac) $
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(readMaybe s :: Maybe Double)
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instance FromEnv String where
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fromEnv = Right
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instance FromEnv HostPreference where
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fromEnv = Right . DataString.fromString
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instance FromEnv Text where
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fromEnv = Right . T.pack
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instance FromEnv AuthHookType where
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fromEnv = readHookType
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instance FromEnv Int where
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fromEnv = maybe (Left "Expecting Int value") Right . readMaybe
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instance FromEnv AdminSecretHash where
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fromEnv = Right . hashAdminSecret . T.pack
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instance FromEnv RoleName where
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fromEnv string = case mkRoleName (T.pack string) of
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Nothing -> Left "empty string not allowed"
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Just roleName -> Right roleName
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instance FromEnv Bool where
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fromEnv = parseStrAsBool
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instance FromEnv Q.TxIsolation where
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fromEnv = readIsoLevel
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instance FromEnv CorsConfig where
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fromEnv = readCorsDomains
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instance FromEnv [API] where
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fromEnv = readAPIs
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instance FromEnv [ExperimentalFeature] where
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fromEnv = readExperimentalFeatures
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instance FromEnv LQ.BatchSize where
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fromEnv s = do
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val <- readEither s
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maybe (Left "batch size should be a non negative integer") Right $ LQ.mkBatchSize val
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instance FromEnv LQ.RefetchInterval where
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fromEnv x = do
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val <- fmap (milliseconds . fromInteger) . readEither $ x
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maybe (Left "refetch interval should be a non negative integer") Right $ LQ.mkRefetchInterval val
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instance FromEnv Milliseconds where
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fromEnv = fmap fromInteger . readEither
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instance FromEnv Seconds where
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fromEnv = fmap fromInteger . readEither
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instance FromEnv JWTConfig where
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fromEnv = readJson
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instance L.EnabledLogTypes impl => FromEnv [L.EngineLogType impl] where
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fromEnv = L.parseEnabledLogTypes
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instance FromEnv L.LogLevel where
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fromEnv = readLogLevel
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instance FromEnv URLTemplate where
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fromEnv = parseURLTemplate . T.pack
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instance FromEnv NonNegativeInt where
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fromEnv = readNonNegativeInt
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type WithEnv a = ReaderT Env (ExceptT String Identity) a
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runWithEnv :: Env -> WithEnv a -> Either String a
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runWithEnv env m = runIdentity $ runExceptT $ runReaderT m env
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