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https://github.com/hasura/graphql-engine.git
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0e921ca9a5
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/5258 GitOrigin-RevId: 172b9de69f44635c5700b3f75ce17304ec56c18a
128 lines
3.5 KiB
Haskell
128 lines
3.5 KiB
Haskell
{-# LANGUAGE UndecidableInstances #-}
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module Hasura.RQL.DDL.Permission.Internal
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( CreatePerm (..),
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DropPerm (..),
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permissionIsDefined,
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assertPermDefined,
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interpColSpec,
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getDepHeadersFromVal,
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getDependentHeaders,
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procBoolExp,
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)
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where
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import Control.Lens hiding ((.=))
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import Data.Aeson.KeyMap qualified as KM
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import Data.Aeson.Types
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import Data.HashMap.Strict qualified as M
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import Data.HashSet qualified as Set
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import Data.Text qualified as T
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import Data.Text.Extended
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import Hasura.Backends.Postgres.Translate.BoolExp
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import Hasura.Base.Error
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import Hasura.Prelude
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import Hasura.RQL.IR.BoolExp
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import Hasura.RQL.Types.Backend
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import Hasura.RQL.Types.BoolExp
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import Hasura.RQL.Types.Common
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import Hasura.RQL.Types.Metadata.Backend
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import Hasura.RQL.Types.Permission
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import Hasura.RQL.Types.Relationships.Local
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import Hasura.RQL.Types.SchemaCache
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import Hasura.RQL.Types.SchemaCacheTypes
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import Hasura.RQL.Types.Table
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import Hasura.Server.Utils
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import Hasura.Session
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-- | Intrepet a 'PermColSpec' column specification, which can either refer to a
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-- list of named columns or all columns.
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interpColSpec :: [Column b] -> PermColSpec b -> [Column b]
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interpColSpec _ (PCCols cols) = cols
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interpColSpec allColumns PCStar = allColumns
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permissionIsDefined ::
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PermType -> RolePermInfo backend -> Bool
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permissionIsDefined pt rpi = isJust
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case pt of
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PTSelect -> rpi ^. permSel $> ()
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PTInsert -> rpi ^. permIns $> ()
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PTUpdate -> rpi ^. permUpd $> ()
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PTDelete -> rpi ^. permDel $> ()
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assertPermDefined ::
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(Backend backend, MonadError QErr m) =>
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RoleName ->
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PermType ->
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TableInfo backend ->
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m ()
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assertPermDefined role pt tableInfo =
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unless (maybe False (permissionIsDefined pt) rpi) $
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throw400 PermissionDenied $
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"'" <> tshow pt <> "'"
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<> " permission on "
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<> tableInfoName tableInfo
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<<> " for role "
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<> role
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<<> " does not exist"
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where
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rpi = M.lookup role $ _tiRolePermInfoMap tableInfo
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newtype CreatePerm a b = CreatePerm (WithTable b (PermDef b a))
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deriving instance (Backend b, FromJSON (PermDef b a)) => FromJSON (CreatePerm a b)
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data CreatePermP1Res a = CreatePermP1Res
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{ cprInfo :: a,
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cprDeps :: [SchemaDependency]
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}
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deriving (Show, Eq)
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procBoolExp ::
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( QErrM m,
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TableCoreInfoRM b m,
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BackendMetadata b,
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GetAggregationPredicatesDeps b
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) =>
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SourceName ->
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TableName b ->
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FieldInfoMap (FieldInfo b) ->
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BoolExp b ->
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m (AnnBoolExpPartialSQL b, [SchemaDependency])
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procBoolExp source tn fieldInfoMap be = do
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let rhsParser = BoolExpRHSParser parseCollectableType PSESession
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abe <- annBoolExp rhsParser tn fieldInfoMap $ unBoolExp be
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let deps = getBoolExpDeps source tn abe
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return (abe, deps)
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getDepHeadersFromVal :: Value -> [Text]
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getDepHeadersFromVal val = case val of
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Object o -> parseObject o
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_ -> parseOnlyString val
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where
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parseOnlyString v = case v of
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(String t)
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| isSessionVariable t -> [T.toLower t]
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| isReqUserId t -> [userIdHeader]
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| otherwise -> []
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_ -> []
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parseObject o =
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concatMap getDepHeadersFromVal (KM.elems o)
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getDependentHeaders :: BoolExp b -> HashSet Text
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getDependentHeaders (BoolExp boolExp) =
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Set.fromList $ flip foldMap boolExp $ \(ColExp _ v) -> getDepHeadersFromVal v
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data DropPerm b = DropPerm
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{ dipSource :: SourceName,
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dipTable :: TableName b,
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dipRole :: RoleName
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}
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instance (Backend b) => FromJSON (DropPerm b) where
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parseJSON = withObject "DropPerm" $ \o ->
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DropPerm
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<$> o .:? "source" .!= defaultSource
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<*> o .: "table"
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<*> o .: "role"
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