module Network.Protocol.XMPP.Connections
( Server (..)
, xmlHeader
, startOfStream
, qnameStream
) where
import Network (HostName, PortID)
import Data.ByteString (ByteString)
import qualified Data.Text
import Data.Text (Text)
import Data.Text.Encoding (encodeUtf8)
import qualified Network.Protocol.XMPP.XML as X
import Network.Protocol.XMPP.JID (JID, formatJID)
import Network.Protocol.XMPP.String (s)
data Server = Server
{ serverJID :: JID
, serverHostname :: HostName
, serverPort :: PortID
}
xmlHeader :: Text -> JID -> ByteString
xmlHeader ns jid = encodeUtf8 header where
attr x = Data.Text.concat [s"\"", X.escape x, s"\""]
header = Data.Text.concat
[ s"<?xml version='1.0'?>\n"
, s"<stream:stream xmlns=" , attr ns
, s" to=", attr (formatJID jid)
, s" version=\"1.0\""
, s" xmlns:stream=\"http://etherx.jabber.org/streams\">"
]
startOfStream :: Integer -> X.Event -> Bool
startOfStream depth event = case (depth, event) of
(1, X.EventBeginElement elemName _) -> qnameStream == elemName
_ -> False
qnameStream :: X.Name
qnameStream = s"{http://etherx.jabber.org/streams}stream"