private string GetParameterWithEncryption(HMACSignatureAlgorithm hmac, SharedSecretEncryptionKey encryptionKey, out bool isEncrypted)
{
var unencrypted = Encoding.UTF8.GetString(hmac.Key);
if (encryptionKey == SharedSecretEncryptionKey.Empty)
{
isEncrypted = false;
return(unencrypted);
}
isEncrypted = true;
var protector = _stringProtectorFactory.CreateSymmetric(encryptionKey);
return(protector.Protect(unencrypted));
}
public async Task Run()
{
var collection = _lazyCollection.Value;
var allClients = await collection.FindAsync(FilterDefinition <ClientDataRecordV2> .Empty).ConfigureAwait(continueOnCapturedContext: false);
var clientsToMigrate = (await allClients.ToListAsync().ConfigureAwait(continueOnCapturedContext: false))
.Where(c => !c.V.HasValue || c.V.Value < 2)
.ToList();
foreach (var clientToMigrate in clientsToMigrate)
{
// Encrypt parameter, if needed:
// - Encryption should be enabled
// - It should not have been encrypted before
// - Only applicable for HMAC signature algorithms (the only supported symmetric key algorithm)
if (_mongoDbClientStoreSettings.SharedSecretEncryptionKey != SharedSecretEncryptionKey.Empty &&
clientToMigrate.SignatureAlgorithm.Type.Equals("hmac", StringComparison.OrdinalIgnoreCase) &&
!clientToMigrate.SignatureAlgorithm.IsParameterEncrypted)
{
var protector = _stringProtectorFactory.CreateSymmetric(_mongoDbClientStoreSettings.SharedSecretEncryptionKey);
clientToMigrate.SignatureAlgorithm.Parameter = protector.Protect(clientToMigrate.SignatureAlgorithm.Parameter);
clientToMigrate.SignatureAlgorithm.IsParameterEncrypted = true;
}
// Fill in RequestTargetEscaping, if it is missing
clientToMigrate.RequestTargetEscaping = ClientOptions.Default.RequestTargetEscaping.ToString();
// Fill in ClockSkew, if it is missing
clientToMigrate.ClockSkew = clientToMigrate.ClockSkew ?? ClientOptions.Default.ClockSkew.TotalSeconds;
// Fill in NonceLifetime, if it is missing, and drop obsolete NonceExpiration value
#pragma warning disable 618
clientToMigrate.NonceLifetime = clientToMigrate.NonceLifetime ?? clientToMigrate.NonceExpiration ?? ClientOptions.Default.NonceLifetime.TotalSeconds;
clientToMigrate.NonceExpiration = null;
#pragma warning restore 618
// Update version
clientToMigrate.V = ClientDataRecordV2.GetV();
// Store migrated client
await collection
.ReplaceOneAsync(_ => _.Id == clientToMigrate.Id, clientToMigrate, new ReplaceOptions { IsUpsert = false })
.ConfigureAwait(continueOnCapturedContext: false);
}
}