110 lines
4.0 KiB
Haskell
110 lines
4.0 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-|
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hledger-web - a hledger add-on providing a web interface.
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Copyright (c) 2007-2012 Simon Michael <simon@joyful.com>
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Released under GPL version 3 or later.
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-}
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module Hledger.Web.Main where
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import Control.Exception (bracket)
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import Control.Monad (when)
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import Data.String (fromString)
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import qualified Data.Text as T
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import Network.Socket
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import Network.Wai (Application)
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import Network.Wai.Handler.Warp (runSettings, runSettingsSocket, defaultSettings, setHost, setPort)
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import Network.Wai.Handler.Launch (runHostPortFullUrl)
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import Prelude hiding (putStrLn)
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import System.Directory (removeFile)
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import System.Exit (exitSuccess, exitFailure)
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import System.IO (hFlush, stdout)
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import System.PosixCompat.Files (getFileStatus, isSocket)
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import Text.Printf (printf)
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import Yesod.Default.Config
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import Yesod.Default.Main (defaultDevelApp)
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion)
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import Hledger.Utils.UTF8IOCompat (putStrLn)
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import Hledger.Web.Application (makeApplication)
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import Hledger.Web.Settings (Extra(..), parseExtra)
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import Hledger.Web.WebOptions
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hledgerWebMain :: IO ()
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hledgerWebMain = do
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opts <- getHledgerWebOpts
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when (debug_ (cliopts_ opts) > 0) $ printf "%s\n" prognameandversion >> printf "opts: %s\n" (show opts)
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runWith opts
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hledgerWebDev :: IO (Int, Application)
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hledgerWebDev =
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withJournalDo (cliopts_ defwebopts) (defaultDevelApp loader . makeApplication defwebopts)
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where
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loader =
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Yesod.Default.Config.loadConfig
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(configSettings Development) {csParseExtra = parseExtra}
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runWith :: WebOpts -> IO ()
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runWith opts
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| "help" `inRawOpts` rawopts_ (cliopts_ opts) = putStr (showModeUsage webmode) >> exitSuccess
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| "version" `inRawOpts` rawopts_ (cliopts_ opts) = putStrLn prognameandversion >> exitSuccess
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| "binary-filename" `inRawOpts` rawopts_ (cliopts_ opts) = putStrLn (binaryfilename progname)
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| otherwise = withJournalDo (cliopts_ opts) (web opts)
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-- | The web command.
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web :: WebOpts -> Journal -> IO ()
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web opts j = do
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let initq = rsQuery . reportspec_ $ cliopts_ opts
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j' = filterJournalTransactions initq j
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h = host_ opts
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p = port_ opts
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u = base_url_ opts
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staticRoot = T.pack <$> file_url_ opts
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appconfig = AppConfig{appEnv = Development
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,appHost = fromString h
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,appPort = p
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,appRoot = T.pack u
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,appExtra = Extra "" Nothing staticRoot
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}
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app <- makeApplication opts j' appconfig
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-- XXX would like to allow a host name not just an IP address here
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_ <- printf "Serving web %s on %s:%d with base url %s\n"
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(if serve_api_ opts then "API" else "UI and API" :: String) h p u
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if serve_ opts || serve_api_ opts
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then do
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putStrLn "Press ctrl-c to quit"
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hFlush stdout
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let warpsettings = setHost (fromString h) (setPort p defaultSettings)
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case socket_ opts of
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Just s -> do
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if isUnixDomainSocketAvailable then
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bracket
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(do
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sock <- socket AF_UNIX Stream 0
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setSocketOption sock ReuseAddr 1
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bind sock $ SockAddrUnix s
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listen sock maxListenQueue
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return sock
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)
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(\_ -> do
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sockstat <- getFileStatus s
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when (isSocket sockstat) $ removeFile s
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)
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(\sock -> Network.Wai.Handler.Warp.runSettingsSocket warpsettings sock app)
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else do
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putStrLn "Unix domain sockets are not available on your operating system"
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putStrLn "Please try again without --socket"
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exitFailure
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Nothing -> Network.Wai.Handler.Warp.runSettings warpsettings app
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else do
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putStrLn "This server will exit after 2m with no browser windows open (or press ctrl-c)"
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putStrLn "Opening web browser..."
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hFlush stdout
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-- exits after 2m of inactivity (hardcoded)
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Network.Wai.Handler.Launch.runHostPortFullUrl h p u app
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