func validateCookie(w http.ResponseWriter, req *http.Request) (chat.Account, error) {
sessID := sessionIDFromCookie(req)
log.Printf("Validating session: '%s'", sessID)
if sessID == "" {
log.Printf("Unable to validate empty cookie...")
return nil, errors.New("Empty cookie")
}
acct, err := chat.LookupSession(sessID)
if err != nil { //No account associated with this session, delete
deleteSessionCookie(w)
return nil, err
}
return acct, err
}
/*
webSocketHandler reads the sessionID from the websocket,
identifies an account and joins an ongoing chat session if one exists
//TODO: Actually manage disconnections properly.
*/
func webSocketHandler(ws *websocket.Conn) {
//Client should send its sessionID as first message
sc := bufio.NewScanner(ws)
sc.Scan()
if sc.Err() != nil {
log.Printf("Error reading from client: %s", sc.Err().Error())
return
}
sessionID := strings.TrimSpace(sc.Text())
acct, err := chat.LookupSession(sessionID)
if err != nil {
ws.Write([]byte("Closing connection. Unable to find user: "******"Error: " + err.Error()))
ws.Close()
}