fradrive/src/Audit.hs
2019-07-03 14:25:29 +02:00

78 lines
2.4 KiB
Haskell

module Audit
( module Audit.Types
, audit, audit'
, AuditRemoteException(..)
, getRemote
) where
import Import.NoModel
import Model
import Database.Persist.Sql
import Audit.Types
import Utils.Lens
import qualified Network.Wai as Wai
import qualified Network.Socket as Wai
import qualified Net.IP as IP
{-# ANN module ("HLint: ignore Use newtype instead of data" :: String) #-}
data AuditRemoteException
= ARUnsupportedSocketKind
deriving (Show, Generic, Typeable)
instance Exception AuditRemoteException
getRemote :: (MonadHandler m, MonadThrow m) => m IP
getRemote = do
wai <- waiRequest
case Wai.remoteHost wai of
Wai.SockAddrInet _ hAddr -> let (b1, b2, b3, b4) = Wai.hostAddressToTuple hAddr in return $ IP.ipv4 b1 b2 b3 b4
Wai.SockAddrInet6 _ _ hAddr _ -> let (w1, w2, w3, w4, w5, w6, w7, w8) = Wai.hostAddress6ToTuple hAddr in return $ IP.ipv6 w1 w2 w3 w4 w5 w6 w7 w8
_other -> throwM ARUnsupportedSocketKind
audit :: ( AuthId site ~ Key User
, AuthEntity site ~ User
, IsSqlBackend (YesodPersistBackend site)
, SqlBackendCanWrite (YesodPersistBackend site)
, HasInstanceID site InstanceId
, YesodAuthPersist site
)
=> Transaction -- ^ Transaction to record
-> [UserId] -- ^ Affected users
-> YesodDB site ()
-- ^ Log a transaction using information available from `HandlerT`:
--
-- - `transactionLogTime` is now
-- - `transactionLogInitiator` is currently logged in user (or none)
-- - `transactionLogRequest` is current HTTP-Request
audit (toJSON -> transactionLogInfo) affected = do
uid <- liftHandlerT maybeAuthId
transactionLogTime <- liftIO getCurrentTime
transactionLogInstance <- getsYesod $ view instanceID
transactionLogInitiator <- for uid $ fmap userIdent . getJust
transactionLogRemote <- Just <$> getRemote
tlId <- insert TransactionLog{..}
affectedUsers <- forM affected getJust
insertMany_ [ TransactionLogAffected tlId aident | aident <- userIdent <$> affectedUsers ]
audit' :: ( AuthId site ~ Key User
, AuthEntity site ~ User
, IsSqlBackend (YesodPersistBackend site)
, SqlBackendCanWrite (YesodPersistBackend site)
, HasInstanceID site InstanceId
, YesodAuthPersist site
)
=> Transaction -- ^ Transaction to record
-> YesodDB site ()
-- ^ Special case of `audit` for when there are no affected users
audit' = flip audit []