respondToChallenge method

@protected void respondToChallenge({ required String commandId, required String salt, required String secret, required WebSocket socket, required DateTime timestamp, })

Helper function to respond to a challenge request. This will create and send the appropriate ChallengeResponseCommand to the socket.

Implementation

@protected
void respondToChallenge({
  required String commandId,
  required String salt,
  required String secret,
  required WebSocket socket,
  required DateTime timestamp,
}) {
  if ((DateTime.now().millisecondsSinceEpoch -
              timestamp.millisecondsSinceEpoch)
          .abs() >=
      300000) {
    throw Exception('[EXPIRED]: received expired challenge');
  }

  socket.add(
    ChallengeResponseCommand(
      commandId: commandId,
      signature: DriverSignatureHelper().createSignature(
        secret,
        [
          salt,
          timestamp.millisecondsSinceEpoch.toString(),
        ],
      ),
    ).toString(),
  );
}