putStringList method

Future<void> putStringList(
  1. String key,
  2. List<String> val,
  3. bool isEncrypted
)

Method to set StringList in local storage key -> Key for key-value pair isEncrypted -> Flag whether to encrypt or not val -> Value for key-value pair

Implementation

Future<void> putStringList(String key, List<String> val, bool isEncrypted) async {
  _assetFunction(isEncrypted);
  if (isEncrypted) {
    if (Platform.isAndroid) {
      _secureStorage?.write(key: key, value: val.toString());
    } else if (Platform.isIOS) {
      if (await _isMasterKeyAvailable() && _areSubKeysAvailable()) {
        final keys = await _getEncrypterKeys();
        final algorithm = _getAlgorithm();

        final encryptedKey = await algorithm.encrypt(key.codeUnits,
            secretKey: SecretKey(keys.first[SuperSecureSharedPref.keyForKey]!), nonce: keys.first[SuperSecureSharedPref.ivForKey]);
        final encryptedValue = await algorithm.encrypt(val.toString().codeUnits,
            secretKey: SecretKey(keys.last[SuperSecureSharedPref.keyForKey]!), nonce: keys.last[SuperSecureSharedPref.ivForKey]);
        _sharedPreferences.setString(encryptedKey.cipherText.toString(), encryptedValue.cipherText.toString());
      } else {
        if (await _isMasterKeyAvailable() && _areSubKeysAvailable() == false) {
          await _deleteMasterKey();
        }
        var masterKey = await _createMasterKey();
        await _saveMasterKeyToKeychain(masterKey);
        await _generateAndSaveKeyAndValueSubKeys(await _getMasterKeyFromKeyChain());
        putStringList(key, val, isEncrypted);
      }
    } else {
      throw PlatformException(message: "Not Supported for ${Platform.operatingSystem} platform", code: "501");
    }
  } else {
    _sharedPreferences.setStringList(key, val);
  }
}