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|
{- git-annex assistant webapp thread
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Assistant.Threads.WebApp where
import Assistant.Common
import Assistant.WebApp
import Assistant.WebApp.Types
import Assistant.WebApp.DashBoard
import Assistant.WebApp.SideBar
import Assistant.WebApp.Notifications
import Assistant.WebApp.Configurators
import Assistant.WebApp.Configurators.Local
import Assistant.WebApp.Configurators.Ssh
import Assistant.WebApp.Configurators.Pairing
import Assistant.WebApp.Configurators.S3
import Assistant.WebApp.Documentation
import Assistant.WebApp.OtherRepos
import Assistant.ThreadedMonad
import Assistant.DaemonStatus
import Assistant.ScanRemotes
import Assistant.TransferQueue
import Assistant.TransferSlots
import Utility.WebApp
import Utility.FileMode
import Utility.TempFile
import Git
import Yesod
import Yesod.Static
import Network.Socket (PortNumber)
import Data.Text (pack, unpack)
thisThread :: String
thisThread = "WebApp"
mkYesodDispatch "WebApp" $(parseRoutesFile "Assistant/WebApp/routes")
type Url = String
webAppThread
:: Maybe ThreadState
-> DaemonStatusHandle
-> ScanRemoteMap
-> TransferQueue
-> TransferSlots
-> UrlRenderer
-> Maybe (IO String)
-> Maybe (Url -> FilePath -> IO ())
-> NamedThread
webAppThread mst dstatus scanremotes transferqueue transferslots urlrenderer postfirstrun onstartup = thread $ do
webapp <- WebApp
<$> pure mst
<*> pure dstatus
<*> pure scanremotes
<*> pure transferqueue
<*> pure transferslots
<*> (pack <$> genRandomToken)
<*> getreldir mst
<*> pure $(embed "static")
<*> newWebAppState
<*> pure postfirstrun
setUrlRenderer urlrenderer $ yesodRender webapp (pack "")
app <- toWaiAppPlain webapp
app' <- ifM debugEnabled
( return $ httpDebugLogger app
, return app
)
runWebApp app' $ \port -> case mst of
Nothing -> withTempFile "webapp.html" $ \tmpfile _ ->
go port webapp tmpfile Nothing
Just st -> do
htmlshim <- runThreadState st $ fromRepo gitAnnexHtmlShim
urlfile <- runThreadState st $ fromRepo gitAnnexUrlFile
go port webapp htmlshim (Just urlfile)
where
thread = NamedThread thisThread
getreldir Nothing = return Nothing
getreldir (Just st) = Just <$>
(relHome =<< absPath
=<< runThreadState st (fromRepo repoPath))
go port webapp htmlshim urlfile = do
debug thisThread ["running on port", show port]
let url = myUrl webapp port
maybe noop (`writeFile` url) urlfile
writeHtmlShim url htmlshim
maybe noop (\a -> a url htmlshim) onstartup
{- Creates a html shim file that's used to redirect into the webapp,
- to avoid exposing the secretToken when launching the web browser. -}
writeHtmlShim :: String -> FilePath -> IO ()
writeHtmlShim url file = viaTmp go file $ genHtmlShim url
where
go tmpfile content = do
h <- openFile tmpfile WriteMode
modifyFileMode tmpfile $ removeModes [groupReadMode, otherReadMode]
hPutStr h content
hClose h
{- TODO: generate this static file using Yesod. -}
genHtmlShim :: String -> String
genHtmlShim url = unlines
[ "<html>"
, "<head>"
, "<title>Starting webapp...</title>"
, "<meta http-equiv=\"refresh\" content=\"0; URL="++url++"\">"
, "<body>"
, "<p>"
, "<a href=\"" ++ url ++ "\">Starting webapp...</a>"
, "</p>"
, "</body>"
, "</html>"
]
myUrl :: WebApp -> PortNumber -> Url
myUrl webapp port = unpack $ yesodRender webapp urlbase HomeR []
where
urlbase = pack $ "http://localhost:" ++ show port
|
