2019-04-15 20:23:25 +00:00
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{-# LANGUAGE OverloadedStrings #-}
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2019-04-17 05:51:15 +00:00
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{-# LANGUAGE TypeOperators #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE TypeFamilies #-}
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2019-05-13 20:50:24 +00:00
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{-# LANGUAGE FlexibleContexts #-}
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2019-03-22 21:34:01 +00:00
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module Main where
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2019-04-15 20:23:25 +00:00
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import Servant
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2019-04-17 05:51:15 +00:00
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import Servant.Server.Experimental.Auth
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2019-04-15 20:23:25 +00:00
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import Data.Time.Clock
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2019-04-21 15:27:15 +00:00
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import Data.ByteString.Random
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2019-05-16 16:36:39 +00:00
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import Data.ByteString.Base16 (decode)
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2019-04-21 15:27:15 +00:00
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2019-05-06 21:41:05 +00:00
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import Data.Set (empty)
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2019-05-13 20:50:24 +00:00
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import Data.Maybe (isJust)
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2019-04-15 20:23:25 +00:00
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import Database.PostgreSQL.Simple
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2019-04-16 11:30:16 +00:00
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import Network.Wai
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import Network.Wai.Logger
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2019-04-15 20:23:25 +00:00
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import Network.Wai.Handler.Warp
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import Opaleye
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import Control.Monad.IO.Class (liftIO)
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import Control.Monad (void)
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2019-05-08 23:24:58 +00:00
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import Control.Monad.Reader
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2019-05-06 21:41:05 +00:00
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import Control.Concurrent.STM.TVar
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2019-04-15 20:23:25 +00:00
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-- internal imports
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import API
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import Model as M
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import Types
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2019-03-22 21:34:01 +00:00
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main :: IO ()
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main = do
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conn <- connectPostgreSQL
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"host='localhost' port=5432 dbname='mateamt' user='mateamt' password='mateamt'"
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2019-05-06 21:41:05 +00:00
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store <- newTVarIO empty
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2019-04-16 11:03:07 +00:00
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execute_ conn initUser
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2019-04-16 12:02:41 +00:00
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execute_ conn initBeverage
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execute_ conn initToken
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2019-04-16 11:30:16 +00:00
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withStdoutLogger $ \log -> do
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let settings = setPort 3000 $ setLogger log defaultSettings
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initState = ReadState
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{ rsConnection = conn
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, rsTicketStore = store
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}
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runSettings settings (app initState)
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2019-05-06 21:41:05 +00:00
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app :: ReadState -> Application
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-- app conn = serveWithContext userApi genAuthServerContext (users conn)
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app initState =
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serveWithContext userApi (genAuthServerContext (rsConnection initState)) $
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hoistServerWithContext
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userApi
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authProxy
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(`runReaderT` initState)
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( users :<|>
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beverages :<|>
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auth
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)
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userApi :: Proxy UserAPI
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userApi = Proxy
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authProxy :: Proxy '[ AuthHandler Request (Maybe Int) ]
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authProxy = Proxy
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genAuthServerContext
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:: Connection
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-> Context '[ AuthHandler Request (Maybe Int) ]
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genAuthServerContext conn = authHandler conn Servant.:. EmptyContext
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2019-04-17 05:51:15 +00:00
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type instance AuthServerData (AuthProtect "header-auth") = Maybe Int
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authHandler :: Connection -> AuthHandler Request (Maybe Int)
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authHandler conn = mkAuthHandler handler
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where
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handler :: Request -> Handler (Maybe Int)
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handler req = do
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let headers = requestHeaders req
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2019-07-18 14:08:38 +00:00
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res <- case lookup "Authentication" headers of
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Just hh ->
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validateToken conn (fst $ decode hh)
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_ ->
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return Nothing
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return res
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2019-05-08 23:24:58 +00:00
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users =
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userList :<|>
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userNew :<|>
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userGetUpdate :<|>
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userPostUpdate
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where
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userList :: Maybe Int -> Maybe Refine -> MateHandler [User]
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userList muid ref = do
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conn <- rsConnection <$> ask
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userSelect conn ref
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userNew :: UserSubmit -> MateHandler Int
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userNew us = do
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now <- liftIO $ getCurrentTime
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randSalt <- liftIO $ random 8
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conn <- rsConnection <$> ask
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head <$> (liftIO $ runInsert_ conn (insertUser us (utctDay now) randSalt))
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userGetUpdate :: Maybe Int -> Int -> MateHandler UserDetails
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userGetUpdate Nothing _ =
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throwError $ err403
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{ errBody = "No Authorization present"
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}
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userGetUpdate (Just aid) id =
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if aid == id
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then do
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now <- liftIO $ getCurrentTime
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conn <- rsConnection <$> ask
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2019-05-16 16:37:04 +00:00
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-- void $ liftIO $ runUpdate_ conn (updateUser id us (utctDay now))
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userDetailsSelect conn id
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else
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throwError $ err403
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{ errBody = "Wrong Authorization present"
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}
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userPostUpdate :: Maybe Int -> Int -> UserDetailsSubmit -> MateHandler ()
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userPostUpdate Nothing _ _ =
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throwError $ err403
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{ errBody = "No Authorization present"
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}
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userPostUpdate (Just aid) id uds =
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if aid == id
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then do
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now <- liftIO $ getCurrentTime
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conn <- rsConnection <$> ask
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void $ liftIO $ runUpdate_ conn (updateUserDetails id uds (utctDay now))
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else
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throwError $ err403
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2019-05-16 02:07:20 +00:00
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{ errBody = "Wrong Authorization present"
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}
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2019-04-17 08:45:48 +00:00
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2019-07-18 12:57:35 +00:00
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beverages =
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list :<|>
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new
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where
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list :: MateHandler [Beverage]
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list = do
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conn <- rsConnection <$> ask
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beverageSelect conn
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new :: Maybe Int -> BeverageSubmit -> MateHandler Int
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new _ bevsub = do
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conn <- rsConnection <$> ask
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head <$> (liftIO $ runInsert_ conn (insertBeverage bevsub))
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2019-05-13 20:50:24 +00:00
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auth =
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authGet :<|>
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authSend
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where
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authGet :: Int -> MateHandler AuthInfo
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authGet id =
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getUserAuthInfo id
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authSend :: AuthRequest -> MateHandler AuthResult
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authSend = processAuthRequest
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