public TResponse Send <TResponse>(string httpMethod, object request)
{
byte[] cryptKey, authKey, iv;
AesUtils.CreateCryptAuthKeysAndIv(out cryptKey, out authKey, out iv);
try
{
var encryptedMessage = CreateEncryptedMessage(request, request.GetType().Name, cryptKey, authKey, iv, httpMethod);
var encResponse = Client.Send(encryptedMessage);
var authEncryptedBytes = Convert.FromBase64String(encResponse.EncryptedBody);
if (!HmacUtils.Verify(authEncryptedBytes, authKey))
{
throw new Exception("Invalid EncryptedBody");
}
var decryptedBytes = HmacUtils.DecryptAuthenticated(authEncryptedBytes, cryptKey);
var responseJson = decryptedBytes.FromUtf8Bytes();
var response = JsonServiceClient.FromJson <TResponse>(responseJson);
return(response);
}
catch (WebServiceException ex)
{
throw DecryptedException(ex, cryptKey, authKey);
}
}
public WebServiceException DecryptedException(WebServiceException ex, byte[] cryptKey, byte[] authKey)
{
//Encrypted Messsage Exceptions are always written with 400 BadRequest
if (ex.StatusCode != (int)HttpStatusCode.BadRequest)
{
if (ex.ResponseStatus == null)
{
ex.ResponseDto = JsonServiceClient.FromJson <ErrorResponse>(ex.ResponseBody);
}
return(ex);
}
var encResponse = ex.ResponseDto as EncryptedMessageResponse;
if (encResponse != null)
{
var authEncryptedBytes = Convert.FromBase64String(encResponse.EncryptedBody);
if (!HmacUtils.Verify(authEncryptedBytes, authKey))
{
throw new Exception("EncryptedBody is Invalid");
}
var responseBytes = HmacUtils.DecryptAuthenticated(authEncryptedBytes, cryptKey);
var responseJson = responseBytes.FromUtf8Bytes();
var errorResponse = JsonServiceClient.FromJson <ErrorResponse>(responseJson);
ex.ResponseDto = errorResponse;
}
return(ex);
}
public List <TResponse> SendAll <TResponse>(IEnumerable <object> requests)
{
byte[] cryptKey, authKey, iv;
AesUtils.CreateCryptAuthKeysAndIv(out cryptKey, out authKey, out iv);
try
{
var elType = requests.GetType().GetCollectionType();
var encryptedMessage = CreateEncryptedMessage(requests, elType.Name + "[]", cryptKey, authKey, iv);
var encResponse = Client.Send(encryptedMessage);
var authEncryptedBytes = Convert.FromBase64String(encResponse.EncryptedBody);
if (!HmacUtils.Verify(authEncryptedBytes, authKey))
{
throw new Exception("Invalid EncryptedBody");
}
var decryptedBytes = HmacUtils.DecryptAuthenticated(authEncryptedBytes, cryptKey);
var responseJson = decryptedBytes.FromUtf8Bytes();
var response = JsonServiceClient.FromJson <List <TResponse> >(responseJson);
return(response);
}
catch (WebServiceException ex)
{
throw DecryptedException(ex, cryptKey, authKey);
}
}
public WebServiceException DecryptedException(WebServiceException ex, SymmetricAlgorithm aes)
{
var encResponse = ex.ResponseDto as EncryptedMessageResponse;
if (encResponse != null)
{
var responseJson = AesUtils.Decrypt(encResponse.EncryptedBody, aes.Key, aes.IV);
var errorResponse = JsonServiceClient.FromJson <ErrorResponse>(responseJson);
ex.ResponseDto = errorResponse;
}
return(ex);
}
public TResponse Send <TResponse>(string httpMethod, object request)
{
using (var aes = new AesManaged {
KeySize = AesUtils.KeySize
})
{
try
{
var encryptedMessage = CreateEncryptedMessage(request, request.GetType().Name, aes, httpMethod);
var encResponse = Client.Send(encryptedMessage);
var responseJson = AesUtils.Decrypt(encResponse.EncryptedBody, aes.Key, aes.IV);
var response = JsonServiceClient.FromJson <TResponse>(responseJson);
return(response);
}
catch (WebServiceException ex)
{
throw DecryptedException(ex, aes);
}
}
}
public List <TResponse> SendAll <TResponse>(IEnumerable <IReturn <TResponse> > requests)
{
using (var aes = new AesManaged {
KeySize = AesUtils.KeySize
})
{
try
{
var elType = requests.GetType().GetCollectionType();
var encryptedMessage = CreateEncryptedMessage(requests, elType.Name + "[]", aes);
var encResponse = Client.Send(encryptedMessage);
var responseJson = AesUtils.Decrypt(encResponse.EncryptedBody, aes.Key, aes.IV);
var response = JsonServiceClient.FromJson <List <TResponse> >(responseJson);
return(response);
}
catch (WebServiceException ex)
{
throw DecryptedException(ex, aes);
}
}
}
