func RPCAuthenticateWithKeyMessage(conn net.Conn, connection_data *structs.ConnData, packet_data *structs.PacketData) error {
// Unmarshal the data
msg := new(protocol.AuthenticateWithKeyMessage)
err := proto.Unmarshal(packet_data.Content, msg)
if err != nil {
return err
}
// Generate a new connection-id based npid
npid := structs.IdToNpid(connection_data.ConnectionId)
// Fill in the connection data
connection_data.Authenticated = true
connection_data.IsServer = true
connection_data.Token = ""
connection_data.Npid = npid
// Add connection to the storage
storage.SetServerConnection(npid, connection_data)
// Reply with the data
return reply.Reply(conn, packet_data.Header.Id, &protocol.AuthenticateResultMessage{
Result: proto.Int32(0),
Npid: proto.Uint64(npid),
SessionToken: []byte(""),
})
}
func RPCAuthenticateWithTokenMessage(conn net.Conn, connection_data *structs.ConnData, packet_data *structs.PacketData) error {
// Unmarshal the data
msg := new(protocol.AuthenticateWithTokenMessage)
err := proto.Unmarshal(packet_data.Content, msg)
if err != nil {
return err
}
// Split the token
token := string(msg.Token)
parts := strings.Split(token, ":")
// uid is the first part
id, err := strconv.Atoi(parts[0])
if err != nil {
return err
}
// Convert it to the Npid
npid := structs.IdToNpid(id)
// Set connection data
connection_data.Id = id
connection_data.Npid = npid
connection_data.Token = token
// Verify!
sess_string, err := environment.Env.Redis.Get("session:" + token).Result()
if err != nil {
return err
}
// Format is: ip;rank;username
sess_parts := strings.Split(sess_string, ";")
// Verify that user has the same IP as the one used to log in
if sess_parts[0] != structs.StripPort(conn.RemoteAddr().String()) {
return WrongIPAddress
}
// Get the rank id and save it in the session
connection_data.RankId, err = strconv.Atoi(sess_parts[1])
if err != nil {
return err
}
// Authenticate the session
connection_data.Authenticated = true
connection_data.Username = sess_parts[2]
// Add connection to the storage
storage.SetClientConnection(npid, connection_data)
// Return a response
err = reply.Reply(conn, packet_data.Header.Id, &protocol.AuthenticateResultMessage{
Result: proto.Int32(0),
Npid: &npid,
SessionToken: msg.Token,
})
if err != nil {
return err
}
// No idea what this thing is supposed to do
time.AfterFunc(time.Millisecond*900, func() {
err = reply.Reply(conn, 0, &protocol.AuthenticateExternalStatusMessage{
Status: proto.Int32(0),
})
if err != nil {
logger.Warning(err)
}
})
return nil
}