forked from filipg/gonito
70 lines
2.6 KiB
Haskell
70 lines
2.6 KiB
Haskell
-- | Common handler functions.
|
|
module Handler.Common where
|
|
|
|
import Data.FileEmbed (embedFile)
|
|
import Import
|
|
|
|
import Crypto.PasswordStore
|
|
import Yesod.Auth.HashDB (defaultStrength)
|
|
|
|
|
|
-- These handlers embed files in the executable at compile time to avoid a
|
|
-- runtime dependency, and for efficiency.
|
|
|
|
getFaviconR :: Handler TypedContent
|
|
getFaviconR = return $ TypedContent "image/x-icon"
|
|
$ toContent $(embedFile "config/favicon.ico")
|
|
|
|
getRobotsR :: Handler TypedContent
|
|
getRobotsR = return $ TypedContent typePlain
|
|
$ toContent $(embedFile "config/robots.txt")
|
|
|
|
|
|
passwordConfirmField :: Field Handler Text
|
|
passwordConfirmField = Field
|
|
{ fieldParse = \rawVals _fileVals ->
|
|
case rawVals of
|
|
[a, b]
|
|
| a == b -> return $ Right $ Just a
|
|
| otherwise -> return $ Left "Passwords don't match"
|
|
[] -> return $ Right Nothing
|
|
_ -> return $ Left "You must enter two values"
|
|
, fieldView = \idAttr nameAttr otherAttrs _ _ ->
|
|
[whamlet|
|
|
<input id=#{idAttr} name=#{nameAttr} *{otherAttrs} type=text autocomplete="new-password" onfocus="$(this).attr('type', 'password');">
|
|
<div>re-enter the password
|
|
<input id=#{idAttr}-confirm name=#{nameAttr} *{otherAttrs} type=text autocomplete="new-password" onfocus="$(this).attr('type', 'password');">
|
|
|]
|
|
, fieldEnctype = UrlEncoded
|
|
}
|
|
|
|
updatePassword :: Key User -> Maybe Text -> Handler ()
|
|
updatePassword _ Nothing = return ()
|
|
updatePassword _ (Just "") = return ()
|
|
updatePassword userId (Just password) = do
|
|
encodedPassword <- liftIO $ makePassword (encodeUtf8 password) defaultStrength
|
|
runDB $ update userId [UserPassword =. Just (decodeUtf8 encodedPassword)]
|
|
setMessage $ toHtml ("Password set!" :: Text)
|
|
|
|
minPasswordLength :: Int
|
|
minPasswordLength = 10
|
|
|
|
isPasswordAcceptable :: Text -> Bool
|
|
isPasswordAcceptable p = length p >= minPasswordLength && (p /= "0123456789") && (p /= "1234567890")
|
|
|
|
tooWeakPasswordMessage :: Handler ()
|
|
tooWeakPasswordMessage =
|
|
setMessage $ toHtml ("Password is too weak!!! A password needs to have at least " ++ (show minPasswordLength) ++ " characters.")
|
|
|
|
checkIfCanEdit :: SubmissionId -> Handler Bool
|
|
checkIfCanEdit submissionId = do
|
|
submission <- runDB $ get404 submissionId
|
|
mUser <- maybeAuth
|
|
return $ case mUser of
|
|
Just (Entity userId user) -> userId == submissionSubmitter submission || userIsAdmin user
|
|
Nothing -> False
|
|
|
|
checkIfAdmin :: Maybe (Entity User) -> Bool
|
|
checkIfAdmin (Just (Entity _ user)) = userIsAdmin user
|
|
checkIfAdmin Nothing = False
|