git-annex/Assistant/WebApp/Configurators/WebDAV.hs
2013-09-27 00:27:59 -04:00

142 lines
4.6 KiB
Haskell

{- git-annex assistant webapp configurators for WebDAV remotes
-
- Copyright 2012, 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE CPP, QuasiQuotes, TemplateHaskell, OverloadedStrings #-}
module Assistant.WebApp.Configurators.WebDAV where
import Assistant.WebApp.Common
import Creds
#ifdef WITH_WEBDAV
import qualified Remote.WebDAV as WebDAV
import Assistant.MakeRemote
import qualified Remote
import Types.Remote (RemoteConfig)
import Types.StandardGroups
import Logs.Remote
import Assistant.Gpg
import Assistant.WebApp.Utility
import Git.Remote
import qualified Data.Map as M
#endif
import qualified Data.Text as T
import Network.URI
webDAVConfigurator :: Widget -> Handler Html
webDAVConfigurator = page "Add a WebDAV repository" (Just Configuration)
boxConfigurator :: Widget -> Handler Html
boxConfigurator = page "Add a Box.com repository" (Just Configuration)
data WebDAVInput = WebDAVInput
{ user :: Text
, password :: Text
, embedCreds :: Bool
, directory :: Text
, enableEncryption :: EnableEncryption
}
toCredPair :: WebDAVInput -> CredPair
toCredPair input = (T.unpack $ user input, T.unpack $ password input)
boxComAForm :: Maybe CredPair -> MkAForm WebDAVInput
boxComAForm defcreds = WebDAVInput
<$> areq textField "Username or Email" (T.pack . fst <$> defcreds)
<*> areq passwordField "Box.com Password" (T.pack . snd <$> defcreds)
<*> areq checkBoxField "Share this account with other devices and friends?" (Just True)
<*> areq textField "Directory" (Just "annex")
<*> enableEncryptionField
webDAVCredsAForm :: Maybe CredPair -> MkAForm WebDAVInput
webDAVCredsAForm defcreds = WebDAVInput
<$> areq textField "Username or Email" (T.pack . fst <$> defcreds)
<*> areq passwordField "Password" (T.pack . snd <$> defcreds)
<*> pure False
<*> pure T.empty
<*> pure NoEncryption -- not used!
getAddBoxComR :: Handler Html
getAddBoxComR = postAddBoxComR
postAddBoxComR :: Handler Html
#ifdef WITH_WEBDAV
postAddBoxComR = boxConfigurator $ do
defcreds <- liftAnnex $ previouslyUsedWebDAVCreds "box.com"
((result, form), enctype) <- liftH $
runFormPost $ renderBootstrap $ boxComAForm defcreds
case result of
FormSuccess input -> liftH $
makeWebDavRemote initSpecialRemote "box.com" (toCredPair input) $ M.fromList
[ configureEncryption $ enableEncryption input
, ("embedcreds", if embedCreds input then "yes" else "no")
, ("type", "webdav")
, ("url", "https://www.box.com/dav/" ++ T.unpack (directory input))
-- Box.com has a max file size of 100 mb, but
-- using smaller chunks has better memory
-- performance.
, ("chunksize", "10mb")
]
_ -> $(widgetFile "configurators/addbox.com")
#else
postAddBoxComR = error "WebDAV not supported by this build"
#endif
getEnableWebDAVR :: UUID -> Handler Html
getEnableWebDAVR = postEnableWebDAVR
postEnableWebDAVR :: UUID -> Handler Html
#ifdef WITH_WEBDAV
postEnableWebDAVR uuid = do
m <- liftAnnex readRemoteLog
let c = fromJust $ M.lookup uuid m
let name = fromJust $ M.lookup "name" c
let url = fromJust $ M.lookup "url" c
mcreds <- liftAnnex $
getRemoteCredPairFor "webdav" c (WebDAV.davCreds uuid)
case mcreds of
Just creds -> webDAVConfigurator $ liftH $
makeWebDavRemote enableSpecialRemote name creds M.empty
Nothing
| "box.com/" `isInfixOf` url ->
boxConfigurator $ showform name url
| otherwise ->
webDAVConfigurator $ showform name url
where
showform name url = do
defcreds <- liftAnnex $
maybe (pure Nothing) previouslyUsedWebDAVCreds $
urlHost url
((result, form), enctype) <- liftH $
runFormPost $ renderBootstrap $ webDAVCredsAForm defcreds
case result of
FormSuccess input -> liftH $
makeWebDavRemote enableSpecialRemote name (toCredPair input) M.empty
_ -> do
description <- liftAnnex $
T.pack <$> Remote.prettyUUID uuid
$(widgetFile "configurators/enablewebdav")
#else
postEnableWebDAVR _ = error "WebDAV not supported by this build"
#endif
#ifdef WITH_WEBDAV
makeWebDavRemote :: SpecialRemoteMaker -> RemoteName -> CredPair -> RemoteConfig -> Handler ()
makeWebDavRemote maker name creds config = do
liftIO $ WebDAV.setCredsEnv creds
setupCloudRemote TransferGroup $ maker name WebDAV.remote config
{- Only returns creds previously used for the same hostname. -}
previouslyUsedWebDAVCreds :: String -> Annex (Maybe CredPair)
previouslyUsedWebDAVCreds hostname =
previouslyUsedCredPair WebDAV.davCreds WebDAV.remote samehost
where
samehost url = case urlHost =<< WebDAV.configUrl url of
Nothing -> False
Just h -> h == hostname
#endif
urlHost :: String -> Maybe String
urlHost url = uriRegName <$> (uriAuthority =<< parseURI url)