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https://github.com/hasura/graphql-engine.git
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e1918adb52
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/3373 GitOrigin-RevId: bf08cc9008a4b0b3ece4952528c15c45e57fc74c
107 lines
3.0 KiB
Haskell
107 lines
3.0 KiB
Haskell
module Hasura.RQL.DDL.Permission.Internal
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( CreatePerm (..),
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DropPerm (..),
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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.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.Kind (Type)
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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.Types
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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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Maybe (RolePermInfo backend) -> PermAccessor backend a -> Bool
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permissionIsDefined rpi pa =
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isJust $ join $ rpi ^? _Just . permAccToLens pa
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assertPermDefined ::
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(Backend backend, MonadError QErr m) =>
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RoleName ->
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PermAccessor backend a ->
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TableInfo backend ->
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m ()
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assertPermDefined role pa tableInfo =
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unless (permissionIsDefined rpi pa) $
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throw400 PermissionDenied $
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mconcat
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[ "'" <> tshow (permAccToType pa) <> "'",
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" permission on " <>> tableInfoName tableInfo,
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" for role " <>> role,
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" does not exist"
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]
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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 (a b)))
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deriving newtype (FromJSON)
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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, TableCoreInfoRM b m, BackendMetadata b) =>
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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 (M.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 (a :: BackendType -> Type) 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 a 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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