neat/Handler/Settings.hs

75 lines
3.5 KiB
Haskell

{-# LANGUAGE ScopedTypeVariables #-}
module Handler.Settings where
import Import
import qualified Network.HTTP.Conduit as HTTP
import Text.XML.Lens
import Data.Bits
import Text.XML (parseText)
import qualified Data.Text.Lazy as T
import qualified Data.ByteString.Lazy.Char8 as B
getSettingsR :: Handler Html
getSettingsR = loginOrDo $ (\u -> do
apiKey <- runDB $ getBy $ UniqueApiUser u
(formWidget, formEnctype) <- generateFormPost $ renderBootstrap3 authFormLayout (authKeyForm (entityVal <$> apiKey) u)
man <- getHttpManager <$> ask
validKey <- case apiKey of
Just (Entity _ key) -> liftIO $ checkApiKey key man
Nothing -> return False
insertionWidget <- return Nothing :: Handler (Maybe Widget)
defaultLayout $(widgetFile "settings")
)
postSettingsR :: Handler Html
postSettingsR = loginOrDo $ (\u -> do
apiKey <- runDB $ getBy $ UniqueApiUser u
((result,formWidget),formEnctype) <- runFormPost $ renderBootstrap3 authFormLayout (authKeyForm (entityVal <$> apiKey) u)
(success, msg) <- case result of
FormSuccess api -> do mapi <- runDB $ getBy $ UniqueApiUser u
case mapi of
Just (Entity aid _) -> runDB $ replace aid api
Nothing -> runDB $ insert_ api
return (True,[whamlet|Successful inserted Key|])
FormFailure errs -> return (False,[whamlet|Error:<br>#{concat $ intersperse "<br>" errs}|])
FormMissing -> return (False,[whamlet|Error: No such Form|])
apiKey' <- runDB $ getBy $ UniqueApiUser u
man <- getHttpManager <$> ask
validKey <- case apiKey' of
Just (Entity _ key) -> liftIO $ checkApiKey key man
Nothing -> return False
insertionWidget <- return . Just $ [whamlet|
$if success
<div class="alert alert-success" role="alert">^{msg}
$else
<div class="alert alert-danger" role="alert">^{msg}
|] :: Handler (Maybe Widget)
defaultLayout $(widgetFile "settings")
)
checkApiKey :: Api -> Manager -> IO Bool
checkApiKey (Api _ key code) manager = do
url <- parseUrl $ "https://api.eveonline.com/account/APIKeyInfo.xml.aspx?keyID="++(show key)++"&vCode="++(unpack code)
response <- HTTP.httpLbs url manager
xml' <- return . parseText def . T.pack . B.unpack . responseBody $ response
case xml' of
Left _ -> return False
Right xml -> do
accessMasks <- return $ xml ^.. root . el "eveapi" ./ el "result" ./ el "key" . attribute "accessMask"
case headMay accessMasks >>= liftM unpack >>= readMay of
Just am -> return $ am .&. 132648971 == (132648971 :: Integer)
_ -> return False
`catch` (\ (_ :: HttpException) -> return False)
authKeyForm :: Maybe Api -> User -> AForm Handler Api
authKeyForm ma u = Api
<$> pure u
<*> areq intField (withPlaceholder "keyID" "keyID") (apiKeyID <$> ma)
<*> areq textField (withPlaceholder "vCode" "vCode") (apiVCode <$> ma)
<* bootstrapSubmit ("Submit" :: BootstrapSubmit Text)
authFormLayout :: BootstrapFormLayout
authFormLayout = BootstrapHorizontalForm (ColLg 0) (ColLg 1) (ColLg 0) (ColLg 11)