From d2b9c300b12a025de66f39efafd7962dc591a330 Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Fri, 26 Oct 2012 14:44:36 -0400 Subject: split out xmpp utilities --- Assistant/Threads/PushNotifier.hs | 108 +------------------------------------- 1 file changed, 1 insertion(+), 107 deletions(-) (limited to 'Assistant/Threads/PushNotifier.hs') diff --git a/Assistant/Threads/PushNotifier.hs b/Assistant/Threads/PushNotifier.hs index 983f0089d..8c71138d7 100644 --- a/Assistant/Threads/PushNotifier.hs +++ b/Assistant/Threads/PushNotifier.hs @@ -11,22 +11,17 @@ module Assistant.Threads.PushNotifier where import Assistant.Common +import Assistant.XMPP import Assistant.ThreadedMonad import Assistant.DaemonStatus import Assistant.Pushes import Assistant.Sync import qualified Remote -import Utility.FileMode -import Utility.SRV import Network.Protocol.XMPP -import Network import Control.Concurrent -import qualified Data.Text as T import qualified Data.Set as S import qualified Git.Branch -import Data.XML.Types -import Control.Exception as E thisThread :: ThreadName thisThread = "PushNotifier" @@ -62,107 +57,6 @@ pushNotifierThread st dstatus pushnotifier = NamedThread thisThread $ do presencePayloads p _ -> noop -{- Everything we need to know to connect to an XMPP server. -} -data XMPPCreds = XMPPCreds - { xmppUsername :: T.Text - , xmppPassword :: T.Text - , xmppHostname :: HostName - , xmppPort :: Int - , xmppJID :: T.Text - } - deriving (Read, Show) - -{- Note that this must be run in a bound thread; gnuTLS requires it. -} -connectXMPP :: XMPPCreds -> (JID -> XMPP a) -> IO (Either SomeException ()) -connectXMPP c a = case parseJID (xmppJID c) of - Nothing -> error "bad JID" - Just jid -> runInBoundThread $ connectXMPP' jid c a - -{- Do a SRV lookup, but if it fails, fall back to the cached xmppHostname. -} -connectXMPP' :: JID -> XMPPCreds -> (JID -> XMPP a) -> IO (Either SomeException ()) -connectXMPP' jid c a = go =<< lookupSRV srvrecord - where - srvrecord = mkSRVTcp "xmpp-client" $ - T.unpack $ strDomain $ jidDomain jid - serverjid = JID Nothing (jidDomain jid) Nothing - - go [] = run (xmppHostname c) - (PortNumber $ fromIntegral $ xmppPort c) - (a jid) - go ((h,p):rest) = do - {- Try each SRV record in turn, until one connects, - - at which point the MVar will be full. -} - mv <- newEmptyMVar - r <- run h p $ do - liftIO $ putMVar mv () - a jid - ifM (isEmptyMVar mv) (go rest, return r) - - run h p a' = do - liftIO $ debug thisThread ["XMPP trying", h] - E.try (runClientError (Server serverjid h p) jid (xmppUsername c) (xmppPassword c) (void a')) :: IO (Either SomeException ()) - -{- XMPP runClient, that throws errors rather than returning an Either -} -runClientError :: Server -> JID -> T.Text -> T.Text -> XMPP a -> IO a -runClientError s j u p x = either (error . show) return =<< runClient s j u p x - -getXMPPCreds :: Annex (Maybe XMPPCreds) -getXMPPCreds = do - f <- xmppCredsFile - s <- liftIO $ catchMaybeIO $ readFile f - return $ readish =<< s - -setXMPPCreds :: XMPPCreds -> Annex () -setXMPPCreds creds = do - f <- xmppCredsFile - liftIO $ do - h <- openFile f WriteMode - modifyFileMode f $ removeModes - [groupReadMode, otherReadMode] - hPutStr h (show creds) - hClose h - -xmppCredsFile :: Annex FilePath -xmppCredsFile = do - dir <- fromRepo gitAnnexCredsDir - return $ dir "notify-xmpp" - -{- Marks the client as extended away. -} -extendedAway :: Element -extendedAway = Element (Name (T.pack "show") Nothing Nothing) [] - [NodeContent $ ContentText $ T.pack "xa"] - -{- Name of a git-annex tag, in our own XML namespace. - - (Not using a namespace URL to avoid unnecessary bloat.) -} -gitAnnexTagName :: Name -gitAnnexTagName = Name (T.pack "git-annex") (Just $ T.pack "git-annex") Nothing - -pushAttr :: Name -pushAttr = Name (T.pack "push") Nothing Nothing - -uuidSep :: T.Text -uuidSep = T.pack "," - -{- git-annex tag with one push attribute per UUID pushed to. -} -encodePushNotification :: [UUID] -> Element -encodePushNotification us = Element gitAnnexTagName - [(pushAttr, [ContentText pushvalue])] [] - where - pushvalue = T.intercalate uuidSep $ - map (T.pack . fromUUID) us - -decodePushNotification :: Element -> Maybe [UUID] -decodePushNotification (Element name attrs _nodes) - | name == gitAnnexTagName && not (null us) = Just us - | otherwise = Nothing - where - us = map (toUUID . T.unpack) $ - concatMap (T.splitOn uuidSep . T.concat . map fromContent . snd) $ - filter ispush attrs - ispush (k, _) = k == pushAttr - fromContent (ContentText t) = t - fromContent (ContentEntity t) = t - {- We only pull from one remote out of the set listed in the push - notification, as an optimisation. - -- cgit v1.2.3