public static SettingsParser ImportSettingsFromFile(string settingsFilePath, ILogger logger, string encryptionKeyFilePath = null)
{
logger.LogInformation($"Will read settings-file fom '{settingsFilePath}...'");
// De-serialize the settings
string deserializedSettingsText = null;
if (string.IsNullOrWhiteSpace(encryptionKeyFilePath))
{
// No encryption-key file given, so we'll assume the settings-file is un-encrypted.
deserializedSettingsText = File.ReadAllText(settingsFilePath);
}
else
{
// Encryption-key file was provided, so we'll assume the settings-file is encrypted and, well, decrypt it.
logger.LogInformation($"Will decrypt settings file {settingsFilePath} using the key found in {encryptionKeyFilePath}");
string encryptionKey = File.ReadAllText(encryptionKeyFilePath);
FileEncryptionUtility fileEncryptionUtility = new FileEncryptionUtility();
deserializedSettingsText = fileEncryptionUtility.DecryptFile(settingsFilePath, encryptionKey);
}
SettingsParser deserializedSettings = JsonConvert.DeserializeObject <SettingsParser>(deserializedSettingsText);
// Remove the settings-filepath argument from the settings. We don't want to include this in the referenced settings, they're only used for this import-purpose.
deserializedSettings.ApplicationSettings.SettingsFilePath = null;
deserializedSettings.ApplicationSettings.SettingsKeyFilePath = null;
logger.LogInformation($"Imported settings from '{settingsFilePath}'");
return(deserializedSettings);
}
public void DecryptFileTest()
{
// arrange
FileEncryptionUtility fileEncryptionUtility = new FileEncryptionUtility();
string stringToEncrypt = "stringToEncrypt";
string encryptedFilePath = Path.GetTempPath() + $"{DateTime.Now.Ticks.ToString()}";
string encryptionKey = Guid.NewGuid().ToString().Substring(0, 8);
// act
fileEncryptionUtility.EncryptFile(stringToEncrypt, encryptedFilePath, encryptionKey);
string decryptedText = fileEncryptionUtility.DecryptFile(encryptedFilePath, encryptionKey);
// assert
Assert.AreEqual(decryptedText, "stringToEncrypt");
}