~singpolyma/sgx-ecrio

dd9339eb3689722ace7be61b4329b85b4082daac — Stephen Paul Weber 19 days ago master
Iinitial commit
9 files changed, 1547 insertions(+), 0 deletions(-)

A .gitignore
A COPYING
A Config.hs
A DB.hs
A Main.hs
A Model.hs
A RedisURL.hs
A Util.hs
A sgx-ecrio.cabal
A  => .gitignore +3 -0
@@ 1,3 @@
dist/
dist-newstyle/
config.dhall

A  => COPYING +661 -0
@@ 1,661 @@
                    GNU AFFERO GENERAL PUBLIC LICENSE
                       Version 3, 19 November 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
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solutions will be better for different programs; see section 13 for the
specific requirements.

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<http://www.gnu.org/licenses/>.

A  => Config.hs +60 -0
@@ 1,60 @@
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DeriveAnyClass #-}

module Config where

import Prelude ()
import BasicPrelude
import Control.Error (headZ)
import Network.HostAndPort (maybeHostAndPort)
import System.IO.Unsafe (unsafePerformIO)

import qualified Database.Redis as Redis
import qualified Dhall
import qualified Dhall.Core as Dhall
import qualified Network.Protocol.XMPP as XMPP
import qualified Network.Socket as Socket

import Util
import qualified RedisURL

data Config = Config {
	component :: ComponentConfig,
	server :: ServerConfig,
	serverRoot :: Text,
	redis :: Redis.ConnectInfo
} deriving (Dhall.Generic, Dhall.FromDhall, Show)

data ServerConfig = ServerConfig { host :: Socket.HostName, port :: Socket.PortNumber } deriving (Dhall.Generic, Dhall.FromDhall, Show)
data ComponentConfig = ComponentConfig { jid :: XMPP.JID, secret :: Text } deriving (Dhall.Generic, Dhall.FromDhall, Show)

instance Dhall.FromDhall XMPP.JID where
	autoWith _ = Dhall.Decoder {
			Dhall.extract = \(Dhall.TextLit (Dhall.Chunks _ txt)) ->
				maybe (Dhall.extractError $ s"Invalid JID") pure $ XMPP.parseJID txt,
			Dhall.expected = pure Dhall.Text
		}

instance Dhall.FromDhall Socket.PortNumber where
	autoWith _ = Dhall.Decoder {
			Dhall.extract = \(Dhall.NaturalLit nat) -> pure $ fromIntegral nat,
			Dhall.expected = pure Dhall.Natural
		}

instance Dhall.FromDhall Socket.SockAddr where
	autoWith _ = Dhall.Decoder {
			Dhall.extract = \(Dhall.TextLit (Dhall.Chunks _ txt)) -> maybe (Dhall.extractError $ s"Invalid Socket Address") pure $ do
				Just (host, Just port) <- return $ maybeHostAndPort (textToString txt)
				-- This is not a great idea, but I'm lazy today and I really just want to parse IP addresses, which is a pure operation
				unsafePerformIO $ fmap (fmap Socket.addrAddress . headZ) $ Socket.getAddrInfo Nothing (Just host) (Just port)
			,
			Dhall.expected = pure Dhall.Text
		}

instance Dhall.FromDhall Redis.ConnectInfo where
	autoWith _ = Dhall.Decoder {
			Dhall.extract = \(Dhall.TextLit (Dhall.Chunks _ txt)) ->
				either (Dhall.extractError . tshow) pure $ RedisURL.parseConnectInfo $ textToString txt
			,
			Dhall.expected = pure Dhall.Text
		}

A  => DB.hs +112 -0
@@ 1,112 @@
module DB (DB, Key(..), mk, byJid, byTel, get, getEnum, del, set, expire, setEnum, sadd, srem, smembers, foldKeysM, hset, hdel, hgetall) where

import Prelude ()
import BasicPrelude
import Control.Error (ExceptT(..))
import GHC.Stack (HasCallStack)
import Network.Protocol.XMPP (JID(..))

import UnexceptionalIO (Unexceptional)
import qualified Database.Redis as Redis
import qualified Data.ByteString as BS
import qualified Data.Text.Encoding as T

import Util

newtype DB = DB {
	redis :: Redis.Connection
}

newtype Key = Key [String] deriving (Eq)

mk :: Redis.ConnectInfo -> IO DB
mk redisCI = DB <$> Redis.checkedConnect redisCI

-- | 0xFF is invalid everywhere in UTF8 and is the CBOR "break" byte
redisKey :: Key -> ByteString
redisKey (Key key) = intercalate (BS.singleton 0xff) $ map (encodeUtf8 . fromString) key

redisParseKey :: ByteString -> Key
redisParseKey = Key . map (textToString . T.decodeUtf8) . BS.split 0xff

runRedisChecked :: (Unexceptional m, HasCallStack) => DB -> Redis.Redis (Either Redis.Reply a) -> ExceptT Redis.Reply m a
runRedisChecked db action =
	ExceptT $ fromIO_ $ Redis.runRedis (redis db) action

get :: (Unexceptional m, HasCallStack) => DB -> Key -> ExceptT Redis.Reply m (Maybe Text)
get db key = (fmap.fmap) T.decodeUtf8 $
	runRedisChecked db (Redis.get (redisKey key))

getEnum :: (Unexceptional m, HasCallStack, Enum a) => DB -> Key -> ExceptT Redis.Reply m (Maybe a)
getEnum db key = (fmap.fmap) (toEnum . read . T.decodeUtf8) $
	runRedisChecked db (Redis.get (redisKey key))

del :: (Unexceptional m, HasCallStack) => DB -> Key -> ExceptT Redis.Reply m ()
del db key = void $ runRedisChecked db $ Redis.del [redisKey key]

set :: (Unexceptional m, HasCallStack) => DB -> Key -> Text -> ExceptT Redis.Reply m ()
set db key val =
	void $ runRedisChecked db $ Redis.set (redisKey key) (encodeUtf8 val)

expire :: (Unexceptional m, HasCallStack) => DB -> Key -> Integer -> ExceptT Redis.Reply m ()
expire db key seconds =
	-- True if set, False if key didn't exist, but actually I don't care
	void $ runRedisChecked db $ Redis.expire (redisKey key) seconds

setEnum :: (Unexceptional m, HasCallStack, Enum a) => DB -> Key -> a -> ExceptT Redis.Reply m ()
setEnum db key val =
	void $ runRedisChecked db $ Redis.set (redisKey key) (encodeUtf8 $ tshow $ fromEnum val)

sadd :: (Unexceptional m, HasCallStack) => DB -> Key -> [Text] -> ExceptT Redis.Reply m ()
sadd _ _ [] = return ()
sadd db key new =
	void $ runRedisChecked db $ Redis.sadd (redisKey key) (map encodeUtf8 new)

srem :: (Unexceptional m, HasCallStack) => DB -> Key -> [Text] -> ExceptT Redis.Reply m ()
srem db key toremove =
	void $ runRedisChecked db $ Redis.srem (redisKey key) (map encodeUtf8 toremove)

smembers :: (Unexceptional m, HasCallStack) => DB -> Key -> ExceptT Redis.Reply m [Text]
smembers db key =
	map T.decodeUtf8 <$> runRedisChecked db (Redis.smembers (redisKey key))

-- | Encode Just txt as UTF8 txt and Nothing as "\xf6"
--   This is invalid UTF8, so there is no overlap. It is also the CBOR value for null
redisMaybe :: Maybe Text -> ByteString
redisMaybe (Just txt) = encodeUtf8 txt
redisMaybe Nothing = BS.singleton 0xf6

readRedisMaybe :: ByteString -> Maybe Text
readRedisMaybe bytes
	| bytes == BS.singleton 0xf6 = Nothing
	| otherwise = Just $ T.decodeUtf8 bytes

hset :: (Unexceptional m, HasCallStack) => DB -> Key -> [(Text, Maybe Text)] -> ExceptT Redis.Reply m ()
hset _ _ [] = return ()
hset db key newitems =
	void $ runRedisChecked db (Redis.hmset (redisKey key) (map (encodeUtf8 *** redisMaybe) newitems))

hdel :: (Unexceptional m, HasCallStack) => DB -> Key -> [Text] -> ExceptT Redis.Reply m ()
hdel db key toremove =
	void $ runRedisChecked db (Redis.hdel (redisKey key) (map encodeUtf8 toremove))

hgetall :: (Unexceptional m, HasCallStack) => DB -> Key -> ExceptT Redis.Reply m [(Text, Maybe Text)]
hgetall db key =
	map (T.decodeUtf8 *** readRedisMaybe) <$>
		runRedisChecked db (Redis.hgetall (redisKey key))

foldKeysM :: (Unexceptional m, HasCallStack) => DB -> Key -> b -> (b -> Key -> ExceptT Redis.Reply m b) -> ExceptT Redis.Reply m b
foldKeysM db (Key prefix) z f = go Redis.cursor0 z
	where
	pattern = redisKey $ Key $ prefix ++ ["*"]
	go cursor acc = do
		(cursor', keys) <- runRedisChecked db $ Redis.scanOpts cursor (Redis.ScanOpts (Just pattern) (Just 100))
		acc' <- foldM f acc $ map redisParseKey keys
		if cursor' == Redis.cursor0 then return acc' else
			go cursor' acc'

byJid :: JID -> [String] -> Key
byJid jid subkey = Key $ textToString (bareTxt jid) : subkey

byTel :: Text -> [String] -> Key
byTel tel subkey = Key $ textToString tel : subkey

A  => Main.hs +354 -0
@@ 1,354 @@
{-# LANGUAGE NamedFieldPuns #-}

module Main (main) where

import Prelude ()
import BasicPrelude
import System.Exit (die)
import Control.Error (justZ)

import Network.HTTP.Req (runReq, req, defaultHttpConfig, (/:), jsonResponse, oAuth2Bearer, https, POST(..), PUT(..), HttpException, ReqBodyJson(..), JsonResponse, responseBody)
import Network.HTTP.Types.Status (ok200, badRequest400)
import Network.Protocol.XMPP (XMPP, IQ(..), Message(..), JID(..), IQType(..), ReceivedStanza(ReceivedIQ, ReceivedMessage))
import UnexceptionalIO (Unexceptional)
import qualified Data.Aeson as Aeson
import qualified Data.Conduit as Conduit
import qualified Data.Conduit.Attoparsec as Conduit
import qualified Data.XML.Types as XML
import qualified Dhall
import qualified Network.Protocol.XMPP as XMPP
import qualified Network.Wai as Wai
import qualified Network.Wai.Cli as Wai
import qualified Network.Wai.Conduit as Wai
import qualified UnexceptionalIO as UIO

import Model
import Config hiding (component, serverRoot, redis)
import Util
import DB (DB)
import qualified DB

sendMessage :: (Unexceptional m) =>
		 Text
	-> Text
	-> Text
	-> RCSMessageWithContactInfo
	-> m (Either HttpException (JsonResponse RCSMessageResponse))
sendMessage serverRoot bearer channelId payload
	| Just _ <- status (rCSMessage payload),
	  Just id <- msgId (rCSMessage payload) = do
	       	UIO.fromIO' (error . show) $ runReq defaultHttpConfig $ do
			req
				PUT
				(https serverRoot /: s"iotac" /: s"channel" /: s"v0" /: channelId /: s"messages" /: id /: s"status")
				(ReqBodyJson payload)
				jsonResponse
				(oAuth2Bearer $ encodeUtf8 bearer)
sendMessage serverRoot bearer channelId payload =
	UIO.fromIO' (error . show) $ runReq defaultHttpConfig $ do
		req
			POST
			(https serverRoot /: s"iotac" /: s"channel" /: s"v0" /: channelId /: s"messages")
			(ReqBodyJson payload)
			jsonResponse
			(oAuth2Bearer $ encodeUtf8 bearer)

data Context = Context {
	serverRoot :: Text,
	db :: DB,
	componentJid :: JID
}

incomingStanza :: Context -> XMPP.ReceivedStanza -> XMPP ()

incomingStanza Context {} (ReceivedMessage Message {
	messageType = XMPP.MessageError
}) = return () -- ignore for now

-- Incoming message to a tel
incomingStanza Context { db, serverRoot } (ReceivedMessage m@Message {
	messageID = xmppId,
	messageFrom = Just from,
	messageTo = Just (JID { jidNode = Just tel })
}) = do
	reg <- runRedisInXMPP $ DB.hgetall db (DB.byJid from ["ecrio_registration"])
	let fromReg k = fromMaybe mempty $ join $ lookup k reg
	let payload = RCSMessageWithContactInfo
		(RCSMessage {
			msgId = received m <|> displayed m,
			status = fmap (const Delivered) (received m) <|> fmap (const Displayed) (displayed m),
			timestamp = Nothing,
			isTyping = Just $ if isComposing m then Active else Idle,
			textMessage = getBody m,
			fileMessage = mkFileMessage <$>
				getChildText (s"{jabber:x:oob}url") (
					XML.elementChildren =<<
					XML.isNamed (s"{jabber:x:oob}x") =<< XMPP.messagePayloads m
				)
		})
		(MessageContact { userContact = XMPP.strNode tel })
		(Channel { provider = s"rbm", accessToken = Just $ fromReg (s"accessToken"), identifier = Nothing })
	result <- sendMessage serverRoot (fromReg (s"bearer")) (fromReg (s"tel")) payload
	case result of
		Left e -> logE "sendMessage" e
		Right r -> do
			let k = [maybe mempty textToString $ msgId $ responseRCSMessage $ responseBody r]
			runRedisInXMPP (DB.set db (DB.byJid from k) (fromMaybe mempty xmppId))
			runRedisInXMPP (DB.expire db (DB.byJid from k) (60*60*24))
			logI "sendMessage" $ responseRCSMessage $ responseBody r

-- Disco info for the bare domain
incomingStanza _ (ReceivedIQ iq@IQ {
	iqType = IQGet,
	iqTo = Just (JID { jidNode = Nothing }),
	iqPayload = Just p
}) | [q] <- XML.isNamed (fromString "{http://jabber.org/protocol/disco#info}query") p = do
	XMPP.putStanza $ iqReply iq $ Just $
		XML.Element (s"{http://jabber.org/protocol/disco#info}query")
		(map
			(\node -> (s"{http://jabber.org/protocol/disco#info}node", [XML.ContentText node]))
			(maybeToList $ XML.attributeText (s"node") q)
		)
		[
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}identity") [
				(s"category", [s"gateway"]),
				(s"type", [s"rcs"]),
				(s"name", [s"SGX Ecrio RCS"])
				] [],
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}feature") [
				(s"var", [s"http://jabber.org/protocol/disco#info"])
			] [],
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}feature") [
				(s"var", [s"jabber:iq:register"])
			] []
		]

-- Disco info for a tel
incomingStanza _ (ReceivedIQ iq@IQ {
	iqType = IQGet,
	iqTo = Just (JID { jidNode = Just _ }),
	iqPayload = Just p
}) | [q] <- XML.isNamed (fromString "{http://jabber.org/protocol/disco#info}query") p = do
	XMPP.putStanza $ iqReply iq $ Just $
		XML.Element (s"{http://jabber.org/protocol/disco#info}query")
		(map
			(\node -> (s"{http://jabber.org/protocol/disco#info}node", [XML.ContentText node]))
			(maybeToList $ XML.attributeText (s"node") q)
		)
		[
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}identity") [
				(s"category", [s"client"]),
				(s"type", [s"phone"]),
				(s"name", [s"SGX Ecrio RCS"])
				] [],
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}feature") [
				(s"var", [s"http://jabber.org/protocol/disco#info"])
			] [],
			XML.NodeElement $ XML.Element (s"{http://jabber.org/protocol/disco#info}feature") [
				(s"var", [s"http://jabber.org/protocol/chatstates"])
			] []
		]

-- Regigration (IBR) get form
incomingStanza Context { db } (ReceivedIQ iq@IQ {
	iqType = IQGet,
	iqTo = Just (JID { jidNode = Nothing }),
  iqFrom = Just from,
	iqPayload = Just p
}) | [_] <- XML.isNamed (fromString "{jabber:iq:register}query") p = do
	reg <- runRedisInXMPP $ DB.hgetall db (DB.byJid from ["ecrio_registration"])
	XMPP.putStanza $ iqReply iq $ Just $
		XML.Element (s"{jabber:iq:register}query") []
		([
			XML.NodeElement $ XML.Element (s"{jabber:iq:register}phone") [] $
				justZ $ XML.NodeContent . XML.ContentText <$> join (lookup (s"tel") reg),
			XML.NodeElement $ XML.Element (s"{jabber:iq:register}password") [] [],
			XML.NodeElement $ XML.Element (s"{jabber:iq:register}key") [] []
		] ++ if null reg then [] else [XML.NodeElement $ XML.Element (s"{jabber:iq:register}registered") [] []])

-- Regigration (IBR) handle submit
incomingStanza Context { db } (ReceivedIQ iq@IQ {
	iqType = IQSet,
	iqTo = Just (JID { jidNode = Nothing }),
	iqFrom = Just from,
	iqPayload = Just p
}) | [q] <- XML.isNamed (fromString "{jabber:iq:register}query") p = do
	if isRemove iq then do
		reg <- runRedisInXMPP $ DB.hgetall db (DB.byJid from ["ecrio_registration"])
		let fromReg k = fromMaybe mempty $ join $ lookup k reg
		runRedisInXMPP $ DB.del db (DB.byJid from ["ecrio_registration"])
		runRedisInXMPP $ DB.del db (DB.byTel (fromReg $ s"tel") ["jid"])
	else do
		let tel = getChildText (s"{jabber:iq:register}phone") (XML.elementChildren q)
		runRedisInXMPP $ DB.hset db (DB.byJid from ["ecrio_registration"]) [
				(s"tel", tel),
				(s"accessToken", getChildText (s"{jabber:iq:register}password") (XML.elementChildren q)),
				(s"bearer", getChildText (s"{jabber:iq:register}key") (XML.elementChildren q))
			]
		forM_ tel $ \telT ->
			runRedisInXMPP $ DB.set db (DB.byTel telT ["jid"]) (bareTxt from)
	XMPP.putStanza $ iqReply iq Nothing

-- Must reply to all IQ with at least an error
incomingStanza _ (ReceivedIQ iq@IQ { iqType = typ })
		| typ `elem` [IQGet, IQSet] =
			XMPP.putStanza $ iq {
				iqTo = iqFrom iq,
				iqFrom = iqTo iq,
				iqType = IQError,
				iqPayload = Just $ XML.Element (s"{jabber:component:accept}error")
					[(s"{jabber:component:accept}type", [s"cancel"])]
					[XML.NodeElement $ XML.Element (s"{urn:ietf:params:xml:ns:xmpp-stanzas}service-unavailable") [] []]
				}

incomingStanza _ _ = return ()

delay :: JID -> Maybe Text -> [XML.Element]
delay _ Nothing = []
delay jid (Just timestamp) = [
		XML.Element (s"{urn:xmpp:delay}delay") [
			(s"from", [XML.ContentText $ bareTxt jid]),
			(s"stamp", [XML.ContentText timestamp])
		]
		[s"RCS Network"]
	]

chatstate :: Maybe TypingStatus -> [XML.Element]
chatstate Nothing = []
chatstate (Just Active) = [XML.Element (s"{http://jabber.org/protocol/chatstates}composing") [] []]
chatstate (Just Idle) = [XML.Element (s"{http://jabber.org/protocol/chatstates}paused") [] []]

body :: Maybe Text -> [XML.Element]
body Nothing = []
body (Just txt) = [
		XML.Element (s"{jabber:component:accept}body") []
		[XML.NodeContent $ XML.ContentText txt]
	]

attachment :: Maybe FileMessage -> [XML.Element]
attachment (Just (FileMessage { fileUrl = url })) = [
		XML.Element (s"{jabber:x:oob}x") [] [
			XML.NodeElement $ XML.Element (s"{jabber:x:oob}url") []
			[XML.NodeContent $ XML.ContentText url]
		],
		XML.Element (s"{jabber:component:accept}body") []
		[XML.NodeContent $ XML.ContentText url]
	]
attachment _ = []

createMessageStanza :: JID -> JID -> Maybe Text -> RCSMessageWithContactInfo -> XMPP.Message
createMessageStanza componentJid to _ RCSMessageWithContactInfo {
	rCSMessage = RCSMessage {
		msgId,
		status = Nothing,
		timestamp,
		isTyping,
		textMessage,
		fileMessage
	},
	messageContact = MessageContact {
		userContact = fromTel
	}
} = (XMPP.emptyMessage XMPP.MessageChat) {
	messageID = msgId,
	messageTo = Just to,
	messageFrom = Just from,
	messagePayloads = delay from timestamp ++ chatstate isTyping ++
		body textMessage ++ attachment fileMessage
}
	where
	Just from = XMPP.parseJID $ fromTel ++ s"@" ++ bareTxt componentJid

createMessageStanza componentJid to (Just msgId) RCSMessageWithContactInfo {
	rCSMessage = RCSMessage {
		status = Just Delivered,
		timestamp
	},
	messageContact = MessageContact {
		userContact = fromTel
	}
} = (XMPP.emptyMessage XMPP.MessageChat) {
	messageTo = Just to,
	messageFrom = Just from,
	messagePayloads = delay from timestamp ++ [
		XML.Element (s"{urn:xmpp:receipts}received")
		[(s"id", [XML.ContentText msgId])] []
	]
}
	where
	Just from = XMPP.parseJID $ fromTel ++ s"@" ++ bareTxt componentJid

createMessageStanza componentJid to (Just msgId) RCSMessageWithContactInfo {
	rCSMessage = RCSMessage {
		status = Just Displayed,
		timestamp
	},
	messageContact = MessageContact {
		userContact = fromTel
	}
} = (XMPP.emptyMessage XMPP.MessageChat) {
	messageTo = Just to,
	messageFrom = Just from,
	messagePayloads = delay from timestamp ++ [
		XML.Element (s"{urn:xmpp:chat-markers:0}displayed")
		[(s"id", [XML.ContentText msgId])] []
	]
}
	where
	Just from = XMPP.parseJID $ fromTel ++ s"@" ++ bareTxt componentJid

createMessageStanza _ _ _ rcs = error $ "TODO: " ++ show rcs

sendRCSToXMPP :: Context -> Text -> RCSMessageWithContactInfo -> XMPP ()
sendRCSToXMPP Context { componentJid, db } toTel rcs = do
	mjid <- (XMPP.parseJID =<<) <$> runRedisInXMPP (DB.get db (DB.byTel toTel ["jid"]))
	case mjid of
		Just jid -> do
			mid <- runRedisInXMPP (DB.get db (DB.byJid jid [maybe mempty textToString $ msgId $ rCSMessage rcs]))
			XMPP.putStanza $ createMessageStanza componentJid jid mid rcs
		Nothing -> logI "sendRCSToXMPP" ("No JID found for", toTel)

web :: Context -> Wai.Request -> (Wai.Response -> IO Wai.ResponseReceived) -> XMPP Wai.ResponseReceived
web ctx req handler = (>>= fromIO_ . handler) $ do
	let [token, _, toTel] = Wai.pathInfo req
	body <- fmap Aeson.fromJSON <$> Wai.sourceRequestBody req `Conduit.connect` Conduit.sinkParserEither Aeson.json
	case body of
		Right (Aeson.Success message) -> do
			sendRCSToXMPP ctx toTel message
			return $ Wai.responseLBS ok200 [] mempty
		e -> logE "web" e >> return (Wai.responseLBS badRequest400 [] mempty)

component :: Context -> XMPP ()
component ctx = do
	void $ flip forkFinallyXMPP (either (logE "web" . show) return) $ do
		xmppSession <- XMPP.getSession
		fromIO_ $ Wai.defWaiMain $
			\req resp -> either (error . show) return =<<
				XMPP.runXMPP xmppSession (web ctx req resp)
	forever $ flip XMPP.catchE (\e -> do
		logE "component read EXCEPTION" e
		liftIO $ case e of
			XMPP.TransportError _ -> die "Component connection gone"
			XMPP.InvalidStanza el
				| not $ null $ XML.isNamed (s"{http://etherx.jabber.org/streams}error") el ->
					die "Component connection error"
			_ -> return ()
		) (XMPP.getStanza >>= \s ->
			void $ forkFinallyXMPP
				(incomingStanza ctx s)
				(either (logE "incomingStanza" . show) return)
		)

main :: IO ()
main = do
	(config:_) <- getArgs
	(Config
			(ComponentConfig componentJid secret)
			(Config.ServerConfig host port)
			serverRoot
			redis
		) <- Dhall.input Dhall.auto config
	ctx <- Context <$> pure serverRoot <*> DB.mk redis <*> pure componentJid
	logI "Starting..." ()
	logE "runComponent ENDED" =<<
		XMPP.runComponent (XMPP.Server componentJid host port) secret (component ctx)

A  => Model.hs +130 -0
@@ 1,130 @@
{-# LANGUAGE DeriveGeneric #-}

module Model where

import Prelude ()
import BasicPrelude

import Data.Aeson
import GHC.Generics (Generic)
import Data.Text as T

data RCSMessageWithContactInfo = RCSMessageWithContactInfo {
	rCSMessage :: RCSMessage,
	messageContact :: MessageContact,
	channel :: Channel
} deriving (Generic, Show)

instance ToJSON RCSMessageWithContactInfo where
	toEncoding = genericToEncoding (defaultOptions {
			fieldLabelModifier = \label -> if label == "rCSMessage" then "RCSMessage" else label
		})

instance FromJSON RCSMessageWithContactInfo where
	parseJSON = genericParseJSON (defaultOptions {
			fieldLabelModifier = \label -> if label == "rCSMessage" then "RCSMessage" else label
		})

newtype RCSMessageResponse = RCSMessageResponse {
	responseRCSMessage :: RCSMessage
} deriving (Generic, Show)

instance ToJSON RCSMessageResponse where
	toEncoding = genericToEncoding (defaultOptions {
			fieldLabelModifier = \label -> if label == "responseRCSMessage" then "RCSMessage" else label
		})

instance FromJSON RCSMessageResponse where
	parseJSON = genericParseJSON (defaultOptions {
			fieldLabelModifier = \label -> if label == "responseRCSMessage" then "RCSMessage" else label
		})

data RCSMessage = RCSMessage {
	msgId       :: Maybe Text,
	status      :: Maybe MessageStatus,
	timestamp   :: Maybe Text,
	isTyping    :: Maybe TypingStatus,
	textMessage :: Maybe Text,
	fileMessage :: Maybe FileMessage
} deriving (Generic, Show)

instance ToJSON RCSMessage where
	toEncoding = genericToEncoding (defaultOptions {
			omitNothingFields = True
		})

instance FromJSON RCSMessage

data FileMessage = FileMessage {
	thumbnailFileName :: Maybe Text,
	thumbnailUrl      :: Maybe Text,
	thumbnailMIMEType :: Maybe Text,
	thumbnailFileSize :: Maybe Int,
	fileName          :: Maybe Text,
	fileUrl           :: Text,
	fileMIMEType      :: Maybe Text,
	fileSize          :: Maybe Int
} deriving (Generic, Show)

mkFileMessage :: Text -> FileMessage
mkFileMessage url = FileMessage {
		thumbnailFileName = Nothing,
		thumbnailUrl = Nothing,
		thumbnailMIMEType = Nothing,
		thumbnailFileSize = Nothing,
		fileName = Nothing,
		fileUrl = url,
		fileMIMEType = Nothing,
		fileSize = Nothing
	}

instance ToJSON FileMessage where
	toEncoding = genericToEncoding (defaultOptions {
			omitNothingFields = True
		})

instance FromJSON FileMessage

newtype MessageContact = MessageContact {
	userContact :: Text
} deriving (Generic, Show)

instance ToJSON MessageContact where
	toEncoding = genericToEncoding defaultOptions

instance FromJSON MessageContact

data Channel = Channel {
	provider :: Text,
	accessToken :: Maybe Text,
        identifier :: Maybe Text
} deriving (Generic, Show)

instance ToJSON Channel where
	toEncoding = genericToEncoding defaultOptions

instance FromJSON Channel

data TypingStatus = Active | Idle deriving (Generic, Show)

instance ToJSON TypingStatus where
	toEncoding = genericToEncoding (defaultOptions {
			constructorTagModifier = textToString . T.toLower . fromString
		})

instance FromJSON TypingStatus where
	parseJSON = genericParseJSON (defaultOptions {
			constructorTagModifier = textToString . T.toLower . fromString
		})

data MessageStatus = Pending | Sent | Delivered | Displayed | Failed deriving (Generic, Show)

instance ToJSON MessageStatus where
	toEncoding = genericToEncoding (defaultOptions {
			constructorTagModifier = textToString . T.toLower . fromString
		})

instance FromJSON MessageStatus where
	parseJSON = genericParseJSON (defaultOptions {
			constructorTagModifier = textToString . T.toLower . fromString
		})

A  => RedisURL.hs +93 -0
@@ 1,93 @@
{-
Copyright (c)2011, Falko Peters
Some modifications by Stephen Paul Weber

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

	* Redistributions of source code must retain the above copyright
	  notice, this list of conditions and the following disclaimer.

	* Redistributions in binary form must reproduce the above
	  copyright notice, this list of conditions and the following
	  disclaimer in the documentation and/or other materials provided
	  with the distribution.

	* Neither the name of Falko Peters nor the names of other
	  contributors may be used to endorse or promote products derived
	  from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-}
module RedisURL (parseConnectInfo) where

import Prelude ()
import BasicPrelude
import Control.Error.Util (note)
import Database.Redis (ConnectInfo(..), defaultConnectInfo, PortID(..))
import Network.HTTP.Base
import Network.HTTP.Types (parseSimpleQuery)
import Network.URI (URI, parseURI, uriPath, uriScheme, uriQuery)
import Text.Read (readMaybe)

import qualified Data.ByteString.Char8 as C8

parseConnectInfo :: String -> Either String ConnectInfo
parseConnectInfo url = do
	uri <- note "Invalid URI" $ parseURI url
	case uriScheme uri of
		"redis:" -> parseRedisScheme uri
		"unix:"  -> parseUnixScheme uri
		_ -> Left "Invalid scheme"

parseUnixScheme :: URI -> Either String ConnectInfo
parseUnixScheme uri =
	return defaultConnectInfo
		{ connectHost = ""
		, connectPort = UnixSocket path
		, connectAuth = C8.pack <$> (password =<< uriAuth)
		, connectDatabase = db
		}
	where
	path = case uriPath uri of
		('/':_) -> uriPath uri
		_ -> '/' : uriPath uri
	db = fromMaybe 0 $ readMaybe . textToString . decodeUtf8 =<<
		lookup (encodeUtf8 $ fromString "db") query
	query = parseSimpleQuery (encodeUtf8 $ fromString $ uriQuery uri)
	uriAuth = parseURIAuthority $ uriToAuthorityString uri

parseRedisScheme :: URI -> Either String ConnectInfo
parseRedisScheme uri = do
	uriAuth <- note "Missing or invalid Authority"
		$ parseURIAuthority
		$ uriToAuthorityString uri

	let h = host uriAuth
	let dbNumPart = dropWhile (== '/') (uriPath uri)

	db <- if null dbNumPart
		then return $ connectDatabase defaultConnectInfo
		else note ("Invalid port: " <> dbNumPart) $ readMaybe dbNumPart

	return defaultConnectInfo
		{ connectHost = if null h
			then connectHost defaultConnectInfo
			else h
		, connectPort = maybe (connectPort defaultConnectInfo)
			(PortNumber . fromIntegral) $ port uriAuth
		, connectAuth = C8.pack <$> password uriAuth
		, connectDatabase = db
		}

A  => Util.hs +96 -0
@@ 1,96 @@
module Util where

import Prelude ()
import BasicPrelude
import Control.Concurrent
import GHC.Stack (HasCallStack)
import Control.Error (ExceptT, exceptT, justZ)
import Data.Void (absurd)
import Data.Time (getCurrentTime)
import System.Exit (ExitCode)
import qualified Control.Exception as Ex

import Text.Pretty.Simple (pPrint)
import UnexceptionalIO (Unexceptional)
import qualified UnexceptionalIO as UIO
import qualified Database.Redis as Redis
import Network.Protocol.XMPP (XMPP)
import qualified Network.Protocol.XMPP as XMPP
import qualified Data.XML.Types as XML

instance Unexceptional XMPP.XMPP where
	lift = liftIO . UIO.lift

s :: (IsString s) => String -> s
s = fromString

logI :: (HasCallStack, Show a, Unexceptional m) => String -> a -> m ()
logI tag x = fromIO_ $ do
	time <- getCurrentTime
	putStr (tshow time ++ s" " ++ fromString tag ++ s" :: ") >> pPrint x

logE :: (HasCallStack, Show a, Unexceptional m) => String -> a -> m ()
logE = logI

fromIO_ :: (HasCallStack, Unexceptional m) => IO a -> m a
fromIO_ = fmap (either absurd id) . UIO.fromIO' (error . show)

-- Re-throws all by ThreadKilled async to parent thread
-- Makes sync child exceptions async in parent, which is a bit sloppy
forkXMPP :: XMPP.XMPP () -> XMPP.XMPP ThreadId
forkXMPP kid = do
	parent <- liftIO myThreadId
	forkFinallyXMPP kid (either (handler parent) (const $ return ()))
	where
	handler parent e
		| Just Ex.ThreadKilled <- castException e = return ()
		| Just (Ex.SomeAsyncException _) <- castException e = throwTo parent e
		| Just e <- castException e = throwTo parent (e :: ExitCode)
		| otherwise = throwTo parent (ChildThreadError e)

forkFinallyXMPP :: XMPP.XMPP () -> (Either SomeException () -> IO ()) -> XMPP.XMPP ThreadId
forkFinallyXMPP kid handler = do
	session <- XMPP.getSession
	liftIO $ forkFinally (void $ XMPP.runXMPP session kid) handler

castException :: (Ex.Exception e1, Ex.Exception e2) => e1 -> Maybe e2
castException = Ex.fromException . Ex.toException

newtype ChildThreadError = ChildThreadError SomeException deriving (Show, Typeable)

instance Ex.Exception ChildThreadError where
	toException = Ex.asyncExceptionToException
	fromException = Ex.asyncExceptionFromException

getChildText :: XML.Name -> [XML.Element] -> Maybe Text
getChildText name kids = listToMaybe $ fmap (mconcat . XML.elementText) (XML.isNamed name =<< kids)

getBody :: XMPP.Message -> Maybe Text
getBody = getChildText (s"{jabber:component:accept}body") . XMPP.messagePayloads

iqReply :: XMPP.IQ -> Maybe XML.Element -> XMPP.IQ
iqReply iq payload = iq {
	XMPP.iqType = XMPP.IQResult,
	XMPP.iqFrom = XMPP.iqTo iq,
	XMPP.iqTo = XMPP.iqFrom iq,
	XMPP.iqPayload = payload
}

isComposing :: XMPP.Message -> Bool
isComposing m = not $ null $ XML.isNamed (s"{http://jabber.org/protocol/chatstates}composing") =<< XMPP.messagePayloads m

received :: XMPP.Message -> Maybe Text
received m = XML.attributeText (s"id") =<< listToMaybe (XML.isNamed (s"{urn:xmpp:receipts}received") =<< XMPP.messagePayloads m)

displayed :: XMPP.Message -> Maybe Text
displayed m = XML.attributeText (s"id") =<< listToMaybe (XML.isNamed (s"{urn:xmpp:chat-markers:0}displayed") =<< XMPP.messagePayloads m)

isRemove :: XMPP.IQ -> Bool
isRemove iq = not $ null $ XML.isNamed (s"{jabber:iq:register}remove") =<< XML.elementChildren =<< justZ (XMPP.iqPayload iq)

bareTxt :: XMPP.JID -> Text
bareTxt (XMPP.JID (Just node) domain _) = mconcat [XMPP.strNode node, s"@", XMPP.strDomain domain]
bareTxt (XMPP.JID Nothing domain _) = XMPP.strDomain domain

runRedisInXMPP :: ExceptT Redis.Reply XMPP a -> XMPP a
runRedisInXMPP = exceptT (XMPP.throwE . XMPP.TransportError . tshow) return

A  => sgx-ecrio.cabal +38 -0
@@ 1,38 @@
cabal-version:      2.4
name:               sgx-ecrio
version:            0.1.0.0
synopsis: Sopranica Gateway to XMPP for Ecrio
license:            AGPL-3.0-only
author:             Stephen Paul Weber
maintainer:         singpolyma@singpolyma.net

executable sgx-ecrio
    main-is:          Main.hs
    other-modules:    Model, Config, Util, RedisURL, DB
    ghc-options:      -Wall -Wno-tabs -Wno-orphans -Wno-name-shadowing -O
    build-depends:    base ^>=4.15.1.0,
                      aeson,
                      bytestring,
                      basic-prelude,
                      text,
                      dhall,
                      errors,
                      req,
                      unexceptionalio,
                      network,
                      network-protocol-xmpp,
                      HostAndPort,
                      time,
                      xml-types,
                      pretty-simple,
                      hedis,
                      network-uri,
                      HTTP,
                      http-types,
                      wai,
                      wai-cli,
                      conduit-extra,
                      wai-conduit,
                      conduit
    hs-source-dirs:   .
    default-language: Haskell2010