graphql-engine/server/src-lib/Hasura/RQL/DDL/Permission/Internal.hs
Antoine Leblanc 3cbcbd9291 Remove RQL/Types.hs
## Description

This PR removes `RQL.Types`, which was now only re-exporting a bunch of unrelated modules.

PR-URL: https://github.com/hasura/graphql-engine-mono/pull/4363
GitOrigin-RevId: 894f29a19bff70b3dad8abc5d9858434d5065417
2022-04-27 13:58:47 +00:00

121 lines
3.4 KiB
Haskell

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