matebeamter/src/Control/User.hs

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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE PackageImports #-}
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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE FlexibleContexts #-}
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module Control.User where
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import Servant
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import Servant.Client
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import Servant.Client.Core.Auth
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import Data.String (fromString)
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import qualified Data.Text as T
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import Data.Text.I18n
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import Data.Maybe (fromMaybe)
import Data.Either.Combinators (leftToMaybe)
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import Control.Monad (void)
import Control.Monad.Reader (ask, asks)
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import Control.Monad.IO.Class (liftIO)
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import Network.HTTP.Types.Status
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-- imports from "mateamt"
import qualified "mateamt" Types as MT
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-- internal imports
import Types
import Client
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import ClientAuth
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import View
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import Hash
import API
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import Util
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parseTokenAndUser
:: Maybe T.Text
-> (String, Maybe String)
parseTokenAndUser mcookie =
(token, mAuthUser)
where
token = T.unpack $ fromMaybe "secret"
(lookup "x-token" =<< mParsedCookie)
mAuthUser = T.unpack <$>
(lookup "x-auth-user" =<< mParsedCookie)
mParsedCookie = fmap parseCookieText mcookie
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userSelectControl :: Maybe T.Text -> UserHandler UserSelectPage
userSelectControl mcookie = do
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(ReadState l10n backend _) <- ask
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let loc = Locale
(fromMaybe "en" $ lookup "locale" =<< fmap parseCookieText mcookie)
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euser <- liftIO $ runClientM
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(userList Nothing)
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backend
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case euser of
Right uss ->
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return $ userSelectPage l10n loc uss
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Left err ->
error $ show err
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userNewControl :: Maybe T.Text -> UserHandler UserNewPage
userNewControl mcookie = do
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(ReadState l10n _ _) <- ask
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let loc = Locale
(fromMaybe "en" $ lookup "locale" =<< fmap parseCookieText mcookie)
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return $ userNewPage l10n loc
userNewPostControl
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:: Maybe T.Text
-> MT.UserSubmit
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-> UserHandler UserSelectPage
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userNewPostControl _ us@(MT.UserSubmit _ _ pass) = do
backend <- asks rsBackend
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hashedPass <- hashPassword pass
void $ liftIO $ runClientM
(userNew $us
{ MT.userSubmitPassHash = hashedPass
})
backend
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throwError $ redirect303 userSelectLink
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userOverviewControl
:: Maybe T.Text
-> Int
-> Maybe MT.ProductRefine
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-> UserHandler UserOverviewPage
userOverviewControl mcookie uid mRefine = do
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(ReadState l10n backend _) <- ask
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let loc = Locale
(fromMaybe "en" $ lookup "locale" =<< fmap parseCookieText mcookie)
mParsedCookie = fmap parseCookieText mcookie
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(token, mAuthUser) = parseTokenAndUser mcookie
mMethod = T.unpack <$>
(lookup "x-method" =<< mParsedCookie)
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euser <- liftIO $
runClientM
(userGet (mkAuthenticatedRequest token authenticateReq))
backend
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eproducts <- liftIO $ runClientM
(productShortList mRefine)
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backend
case (euser, eproducts) of
(Right ud, Right prods) ->
case mMethod of
Just method ->
if fmap read mAuthUser == Just uid
then
return $ userOverviewPage l10n loc (toEnum $ read method) ud prods
else
redirectOverAuth
(Just uid)
(Just $ userOverviewLink uid mRefine)
mRefine
Nothing ->
redirectOverAuth (read <$> mAuthUser) Nothing mRefine
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(Left uerr, Right _) -> case uerr of
FailureResponse _ resp ->
if statusCode (responseStatusCode resp) == 401
then
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redirectOverAuth (Just uid) Nothing mRefine
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else
throwError $ err500
{ errBody = fromString (show uerr)
}
_ ->
throwError $ err500
{ errBody = fromString (show uerr)
}
(Right _, Left perr) ->
throwError $ err500
{ errBody = fromString (show perr)
}
(Left uerr, Left perr) ->
throwError $ err500
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{ errBody = fromString (show uerr) <> " " <> fromString (show perr)
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}
userManageControl
:: Maybe T.Text
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-> Int
-> UserHandler UserManagePage
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userManageControl mcookie uid = do
(ReadState l10n backend _) <- ask
let loc = Locale
(fromMaybe "en" $ lookup "locale" =<< fmap parseCookieText mcookie)
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(token, mAuthUser) = parseTokenAndUser mcookie
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eUserDetails <- liftIO $
runClientM
(userGet (mkAuthenticatedRequest token authenticateReq))
backend
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eAuthOverviews <- liftIO $
runClientM
(authManageList (mkAuthenticatedRequest token authenticateReq))
backend
case (eUserDetails, eAuthOverviews) of
(Right userDetails, Right authOverviews) ->
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if Just uid == fmap read mAuthUser
then
return $ userManagePage l10n loc userDetails authOverviews
else
redirectOverAuth (Just uid) (Just $ userManageLink uid) Nothing
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err -> handleErrors
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(Just uid)
(Just $ userManageLink uid)
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[leftToMaybe (fst err), leftToMaybe (snd err)]
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userManageDetailsSubmitControl
:: Maybe T.Text
-> Int
-> MT.UserDetailsSubmit
-> UserHandler UserOverviewPage
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userManageDetailsSubmitControl mcookie uid uds = do
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(ReadState _ backend _) <- ask
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let (token, mAuthUser) = parseTokenAndUser mcookie
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eReturn <- liftIO $ runClientM
(userUpdate (mkAuthenticatedRequest token authenticateReq) uds)
backend
case eReturn of
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Right _ -> throwError $ redirect303 (userManageLink uid)
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Left err ->
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handleErrors (fmap read mAuthUser) (Just $ userManageLink uid) [Just err]
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userManageAuthCreateControl
:: Maybe T.Text
-> Int
-> AuthSubmitReturn
-> UserHandler UserOverviewPage
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userManageAuthCreateControl mcookie uid (AuthSubmitReturn comment pass method) = do
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(ReadState _ backend _) <- ask
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let (token, mAuthUser) = parseTokenAndUser mcookie
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hashedPass <- hashPassword pass
eReturn <- liftIO $ runClientM
(authManageNewAuth
(mkAuthenticatedRequest token authenticateReq)
(MT.AuthSubmit (toEnum method) comment hashedPass)
)
backend
case eReturn of
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Right _ -> throwError $ redirect303 $ userManageLink uid
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Left err ->
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handleErrors (fmap read mAuthUser) (Just $ userManageLink uid) [Just err]
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userManageAuthDeleteControl
:: Maybe T.Text
-> Int
-> AuthDetailId
-> UserHandler UserOverviewPage
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userManageAuthDeleteControl mcookie uid (AuthDetailId adid) = do
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(ReadState _ backend _) <- ask
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let (token, mAuthUser) = parseTokenAndUser mcookie
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eReturn <- liftIO $ runClientM
(authManageDeleteAuth (mkAuthenticatedRequest token authenticateReq) adid)
backend
case eReturn of
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Right _ -> throwError $ redirect303 $ userManageLink uid
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Left err -> case err of
FailureResponse _ resp ->
if statusCode (responseStatusCode resp) == 406
then
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throwError $ redirect303 $ userManageLink uid
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else
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handleErrors (fmap read mAuthUser) Nothing [Just err]
_ -> handleErrors (fmap read mAuthUser) (Just userSelectLink) [Just err]