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|
{- git-annex assistant webapp
-
- 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.DashBoard
import Assistant.WebApp.SideBar
import Assistant.WebApp.Notifications
import Assistant.WebApp.Configurators
import Assistant.WebApp.Documentation
import Assistant.ThreadedMonad
import Assistant.DaemonStatus
import Assistant.TransferQueue
import Utility.WebApp
import Utility.Yesod
import Utility.FileMode
import Utility.TempFile
import Git
import Yesod
import Yesod.Static
import Text.Hamlet
import Network.Socket (PortNumber)
import Text.Blaze.Renderer.String
import Data.Text (pack, unpack)
thisThread :: String
thisThread = "WebApp"
mkYesodDispatch "WebApp" $(parseRoutesFile "Assistant/WebApp/routes")
webAppThread :: ThreadState -> DaemonStatusHandle -> TransferQueue -> Maybe (IO ()) -> IO ()
webAppThread st dstatus transferqueue onstartup = do
webapp <- mkWebApp
app <- toWaiAppPlain webapp
app' <- ifM debugEnabled
( return $ httpDebugLogger app
, return app
)
runWebApp app' $ \port -> do
runThreadState st $ writeHtmlShim webapp port
maybe noop id onstartup
where
mkWebApp = do
dir <- absPath =<< runThreadState st (fromRepo repoPath)
home <- myHomeDir
let reldir = if dirContains home dir
then relPathDirToFile home dir
else dir
token <- genRandomToken
s <- newWebAppState
return $ WebApp
{ threadState = Just st
, daemonStatus = dstatus
, transferQueue = transferqueue
, secretToken = pack token
, relDir = reldir
, getStatic = $(embed "static")
, webAppState = s
}
{- Creates a html shim file that's used to redirect into the webapp,
- to avoid exposing the secretToken when launching the web browser. -}
writeHtmlShim :: WebApp -> PortNumber -> Annex ()
writeHtmlShim webapp port = do
liftIO $ debug thisThread ["running on port", show port]
htmlshim <- fromRepo gitAnnexHtmlShim
liftIO $ viaTmp go htmlshim $ genHtmlShim webapp port
where
go file content = do
h <- openFile file WriteMode
modifyFileMode file $ removeModes [groupReadMode, otherReadMode]
hPutStr h content
hClose h
{- TODO: generate this static file using Yesod. -}
genHtmlShim :: WebApp -> PortNumber -> String
genHtmlShim webapp port = renderHtml $(shamletFile $ hamletTemplate "htmlshim")
where
url = "http://localhost:" ++ show port ++
"/?auth=" ++ unpack (secretToken webapp)
|
