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