private Stream GetSettingsFileStream(ConfigType type, SettingsFileType settings, CryptoProvider planCrypto)
{
Stream stream = null;
if (String.IsNullOrWhiteSpace(settings.Name))
{
stream = null;
}
else
{
ZephyrFile settingsFile = Utilities.GetZephyrFile(settings.Name, clients);
stream = settingsFile.Open(AccessType.Read);
if (settings.HasEncryptedValues)
{
CryptoProvider crypto = new CryptoProvider();
crypto.Key = new CryptoKeyInfo();
if (planCrypto != null)
{
crypto.Key.Uri = planCrypto.Key.Uri;
crypto.Key.ContainerName = planCrypto.Key.ContainerName;
crypto.Key.CspFlags = planCrypto.Key.CspFlags;
}
if (!String.IsNullOrWhiteSpace(settings.Crypto?.Key?.Uri))
{
crypto.Key.Uri = settings.Crypto.Key.Uri;
}
if (!String.IsNullOrWhiteSpace(settings.Crypto?.Key?.ContainerName))
{
crypto.Key.ContainerName = settings.Crypto.Key.ContainerName;
}
if (String.IsNullOrWhiteSpace(crypto.Key.Uri) || String.IsNullOrWhiteSpace(crypto.Key.ContainerName))
{
OnLogMessage("SettingsFile", "WARNING : HasEncryptedValues flag is set, but no Crypto section was found in the plan. No decryption will occur.");
}
else
{
crypto.LoadRsaKeys();
String settingsFileContent = null;
switch (type)
{
case ConfigType.XmlTransform:
settingsFileContent = CryptoUtils.DecryptXmlFile(stream, crypto);
break;
default:
settingsFileContent = CryptoUtils.DecryptCsvFile(stream, crypto);
break;
}
byte[] byteArray = new byte[0];
if (!String.IsNullOrWhiteSpace(settingsFileContent))
{
byteArray = Encoding.UTF8.GetBytes(settingsFileContent);
}
stream = new MemoryStream(byteArray);
}
}
}
return(stream);
}