// GetJoinHandle implements the handle for the join document (GET).
func GetJoinHandle(newConn net.Conn, roomName, httpPayload string, rooms *config.CherryRooms, preprocessor *html.Preprocessor) {
// INFO(Santiago): The form for room joining was requested, so we will flush it to client.
var replyBuffer []byte
replyBuffer = rawhttp.MakeReplyBuffer(preprocessor.ExpandData(roomName, rooms.GetEntranceTemplate(roomName)), 200, true)
newConn.Write(replyBuffer)
newConn.Close()
}