gonito/Foundation.hs

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module Foundation where
import Database.Persist.Sql (ConnectionPool, runSqlPool)
import Import.NoFoundation
import Text.Hamlet (hamletFile)
import Yesod.Auth.BrowserId (authBrowserId)
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import Yesod.Auth.HashDB (HashDBUser(..),authHashDB)
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import Yesod.Auth.Message (AuthMessage (InvalidLogin))
import qualified Yesod.Core.Unsafe as Unsafe
import Yesod.Core.Types (Logger)
import Yesod.Default.Util (addStaticContentExternal)
import Yesod.Fay
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instance HashDBUser User where
userPasswordHash = userPassword
setPasswordHash h u = u { userPassword = Just h }
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-- | The foundation datatype for your application. This can be a good place to
-- keep settings and values requiring initialization before your application
-- starts running, such as database connections. Every handler will have
-- access to the data present here.
data App = App
{ appSettings :: AppSettings
, appStatic :: Static -- ^ Settings for static file serving.
, appConnPool :: ConnectionPool -- ^ Database connection pool.
, appHttpManager :: Manager
, appLogger :: Logger
, appFayCommandHandler :: CommandHandler App
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, jobs :: TVar (IntMap (TChan (Maybe Text)))
, nextJob :: TVar Int
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}
instance HasHttpManager App where
getHttpManager = appHttpManager
-- This is where we define all of the routes in our application. For a full
-- explanation of the syntax, please see:
-- http://www.yesodweb.com/book/routing-and-handlers
--
-- Note that this is really half the story; in Application.hs, mkYesodDispatch
-- generates the rest of the code. Please see the linked documentation for an
-- explanation for this split.
--
-- This function also generates the following type synonyms:
-- type Handler = HandlerT App IO
-- type Widget = WidgetT App IO ()
mkYesodData "App" $(parseRoutesFile "config/routes")
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mkMessage "App" "messages" "en"
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-- | A convenient synonym for creating forms.
type Form x = Html -> MForm (HandlerT App IO) (FormResult x, Widget)
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isTrustedAuthorized = do
mauth <- maybeAuth
case mauth of
Nothing -> return AuthenticationRequired
Just (Entity _ user)
| isTrusted user -> return Authorized
| otherwise -> return $ Unauthorized "???"
isTrusted :: User -> Bool
isTrusted user =
case userIdent user of
"ptlen@ceti.pl" -> True
"hexin1989@gmail.com" -> True
"romang@amu.edu.pl" -> True
"junczys@amu.edu.pl" -> True
"rafalj@amu.edu.pl" -> True
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_ -> True
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-- Please see the documentation for the Yesod typeclass. There are a number
-- of settings which can be configured by overriding methods here.
instance Yesod App where
-- Controls the base of generated URLs. For more information on modifying,
-- see: https://github.com/yesodweb/yesod/wiki/Overriding-approot
approot = ApprootMaster $ appRoot . appSettings
-- Store session data on the client in encrypted cookies,
-- default session idle timeout is 120 minutes
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makeSessionBackend app = Just <$> defaultClientSessionBackend
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120 -- timeout in minutes
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((appVarDir $ appSettings app) </> "config/client_session_key.aes")
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defaultLayout widget = do
master <- getYesod
mmsg <- getMessage
-- We break up the default layout into two components:
-- default-layout is the contents of the body tag, and
-- default-layout-wrapper is the entire page. Since the final
-- value passed to hamletToRepHtml cannot be a widget, this allows
-- you to use normal widget features in default-layout.
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maybeUser <- maybeAuth
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pc <- widgetToPageContent $ do
addStylesheet $ StaticR css_bootstrap_css
$(widgetFile "default-layout")
withUrlRenderer $(hamletFile "templates/default-layout-wrapper.hamlet")
-- The page to be redirected to when authentication is required.
authRoute _ = Just $ AuthR LoginR
-- Routes not requiring authentication.
isAuthorized (AuthR _) _ = return Authorized
isAuthorized FaviconR _ = return Authorized
isAuthorized RobotsR _ = return Authorized
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isAuthorized HomeR _ = return Authorized
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isAuthorized QueryFormR _ = return Authorized
isAuthorized (QueryResultsR _) _ = return Authorized
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isAuthorized ListChallengesR _ = return Authorized
isAuthorized (ShowChallengeR _) _ = return Authorized
isAuthorized (ChallengeReadmeR _) _ = return Authorized
isAuthorized (ChallengeAllSubmissionsR _) _ = return Authorized
isAuthorized (ChallengeGraphDataR _) _ = return Authorized
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isAuthorized (ChallengeDiscussionR _) _ = return Authorized
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isAuthorized (ChallengeDiscussionFeedR _) _ = return Authorized
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isAuthorized Presentation4RealR _ = return Authorized
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isAuthorized (AvatarR _) _ = return Authorized
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-- Default to Authorized for now.
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isAuthorized _ _ = isTrustedAuthorized
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-- This function creates static content files in the static folder
-- and names them based on a hash of their content. This allows
-- expiration dates to be set far in the future without worry of
-- users receiving stale content.
addStaticContent ext mime content = do
master <- getYesod
let staticDir = appStaticDir $ appSettings master
addStaticContentExternal
Right
genFileName
staticDir
(StaticR . flip StaticRoute [])
ext
mime
content
where
-- Generate a unique filename based on the content itself
genFileName lbs = "autogen-" ++ base64md5 lbs
-- What messages should be logged. The following includes all messages when
-- in development, and warnings and errors in production.
shouldLog app _source level =
appShouldLogAll (appSettings app)
|| level == LevelWarn
|| level == LevelError
makeLogger = return . appLogger
instance YesodJquery App
instance YesodFay App where
fayRoute = FaySiteR
yesodFayCommand render command = do
master <- getYesod
appFayCommandHandler master render command
-- How to run database actions.
instance YesodPersist App where
type YesodPersistBackend App = SqlBackend
runDB action = do
master <- getYesod
runSqlPool action $ appConnPool master
instance YesodPersistRunner App where
getDBRunner = defaultGetDBRunner appConnPool
instance YesodAuth App where
type AuthId App = UserId
-- Where to send a user after successful login
loginDest _ = HomeR
-- Where to send a user after logout
logoutDest _ = HomeR
-- Override the above two destinations when a Referer: header is present
redirectToReferer _ = True
authenticate creds = runDB $ do
x <- getBy $ UniqueUser $ credsIdent creds
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Authenticated <$> case x of
Just (Entity uid _) -> return $ uid
Nothing ->
insert User
{ userIdent = credsIdent creds
, userPassword = Nothing
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, userName = Nothing
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, userIsAdmin = False
, userLocalId = Nothing
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, userIsAnonymous = False
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, userAvatar = Nothing
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}
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-- You can add other plugins like BrowserID, email or OAuth here
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authPlugins _ = [authBrowserId def,
authHashDB (Just . UniqueUser)]
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authHttpManager = getHttpManager
instance YesodAuthPersist App
-- This instance is required to use forms. You can modify renderMessage to
-- achieve customized and internationalized form validation messages.
instance RenderMessage App FormMessage where
renderMessage _ _ = defaultFormMessage
unsafeHandler :: App -> Handler a -> IO a
unsafeHandler = Unsafe.fakeHandlerGetLogger appLogger
-- Note: Some functionality previously present in the scaffolding has been
-- moved to documentation in the Wiki. Following are some hopefully helpful
-- links:
--
-- https://github.com/yesodweb/yesod/wiki/Sending-email
-- https://github.com/yesodweb/yesod/wiki/Serve-static-files-from-a-separate-domain
-- https://github.com/yesodweb/yesod/wiki/i18n-messages-in-the-scaffolding