verifyBiometric method

Future<Map<String, dynamic>> verifyBiometric(List args)

Implementation

Future<Map<String, dynamic>> verifyBiometric(List<dynamic> args) async {
  final data = processArgs(args);

  final missingFields = validateRequiredFields(data, ["challenge"]);
  if (missingFields.isNotEmpty) {
    return VerifyBiometricModel(
      success: false,
      message: "Verification failed",
      device: await getDeviceInfo(),
      errorCodes: [
        Status.jsMissingFields.name,
      ],
    ).toMap();
  }

  final String challenge = data["challenge"];
  final result = await sl<BiometricService>().verify();
  if (result != BiometricStatus.success) {
    return VerifyBiometricModel(
      success: false,
      message: result == BiometricStatus.bioNotAvailable
          ? "No biometrics found in the device"
          : "Verification Failed.",
      device: await getDeviceInfo(),
      errorCodes: [
        BiometricStatus.bioPublicKeyNotFound.name,
      ],
    ).toMap();
  }

  final publicKey = await sl<StorageService>().readBioPublicKey();

  final encryptedChallenge =
      sl<EncryptionService>().encryptWithRsa(publicKey!.key, challenge);

  return VerifyBiometricModel(
    success: true,
    message: "Verification success",
    device: await getDeviceInfo(),
    errorCodes: [],
    encryptedChallenge: encryptedChallenge,
    credentialId: publicKey.credId,
  ).toMap();
}