/// <summary>
/// Invokes the specified data.
/// </summary>
/// <typeparam name="TInput">The type of the input.</typeparam>
/// <typeparam name="TOutput">The type of the output.</typeparam>
/// <param name="uri">The URI.</param>
/// <param name="data">The data.</param>
/// <param name="rsaProvider">The RSA provider.</param>
/// <param name="clientId">The client identifier.</param>
/// <returns></returns>
internal static TOutput Invoke <TInput, TOutput>(this Uri uri, ClassicVirtualSecuredRequestMessagePackage <TInput> data, RSACryptoServiceProvider rsaProvider, string clientId = null)
{
if (uri != null && data != null && rsaProvider != null)
{
try
{
var httpRequest = uri.CreateHttpWebRequest(HttpConstants.HttpMethod.Post);
if (!string.IsNullOrWhiteSpace(clientId))
{
httpRequest.SafeSetHttpHeader(VirtualSecuredTransferProtocolConstants.headerKey_ClientId, clientId);
}
var aesKeys = AesKeys.Create();
var aesProvider = aesKeys.CreateAesProvider();
var requestRawMessage = new VirtualSecuredRequestRawMessage
{
Data = Encoding.UTF8.GetBytes(data.ToJson(false)),
SchemaVersion = _schemaVersion,
SymmetricPrimaryKey = aesKeys.Key,
SymmetricSecondaryKey = aesKeys.InitializationVector
};
httpRequest.FillData(HttpConstants.HttpMethod.Post, PackToBytes(requestRawMessage, rsaProvider.GetRsaKeys().PublicKey, aesProvider));
var httpResult = httpRequest.ReadResponseAsBytes();
var responseBytes = httpResult.Body;
var responseRawMessage = UnpackResponseFromBytes(responseBytes, rsaProvider, aesProvider);
if (httpResult.HttpStatusCode.IsOK())
{
return(Encoding.UTF8.GetString(responseRawMessage.Data).TryConvertJsonToObject <TOutput>());
}
else
{
var exception = Encoding.UTF8.GetString(responseRawMessage.Data).TryConvertJsonToObject <ExceptionInfo>();
if (exception != null)
{
throw exception.ToException().Handle(new { uri, data });
}
else
{
throw ExceptionFactory.CreateOperationException(new { uri, data });
}
}
}
catch (Exception ex)
{
throw ex.Handle(new { uri, data });
}
}
return(default(TOutput));
}
public void Test()
{
if (serverSideRsaProvider != null)
{
// Simulate client side for sending request
var utcNow = DateTime.UtcNow;
aesKeys = AesKeys.Create();
var aesProvider = aesKeys.CreateAesProvider();
VirtualSecuredRequestRawMessage testRequest = new VirtualSecuredRequestRawMessage()
{
SchemaVersion = schemaVersion,
Stamp = utcNow,
SymmetricPrimaryKey = aesKeys.Key,
SymmetricSecondaryKey = aesKeys.InitializationVector,
Data = requestTestData.ToByteArray(Encoding.UTF8)
};
var requestBytes = VirtualSecuredTransferProtocolHelper.PackToBytes(testRequest, rsaKeys.PublicKey, aesProvider);
Assert.IsNotNull(requestBytes);
// Simulate server side for getting request
RijndaelProvider rijndaelProviderByRequest;
var requestRawMessage = VirtualSecuredTransferProtocolHelper.UnpackRequestFromBytes(requestBytes, serverSideRsaProvider, out rijndaelProviderByRequest);
Assert.IsNotNull(requestRawMessage);
Assert.IsNotNull(rijndaelProviderByRequest);
Assert.AreEqual(testRequest.SchemaVersion, requestRawMessage.SchemaVersion);
Assert.IsTrue(Math.Abs((testRequest.Stamp.Value - requestRawMessage.Stamp.Value).TotalSeconds) < 1);
Assert.AreEqual(testRequest.SymmetricPrimaryKey, requestRawMessage.SymmetricPrimaryKey);
Assert.AreEqual(testRequest.SymmetricSecondaryKey, requestRawMessage.SymmetricSecondaryKey);
Assert.AreEqual(requestTestData, requestRawMessage.Data.ToUtf8String());
// Simulate server side create AES provider
using (var serverAesProvider = new AesKeys
{
KeySize = VirtualSecuredTransferProtocolHelper.DwKeySize,
InitializationVector = requestRawMessage.SymmetricSecondaryKey,
Key = requestRawMessage.SymmetricPrimaryKey
}.CreateAesProvider())
{
// Simulate server side for responding
utcNow = DateTime.UtcNow;
var testResponse = new VirtualSecuredResponseRawMessage
{
SchemaVersion = schemaVersion,
Stamp = utcNow,
Data = responseTestData.ToByteArray(Encoding.UTF8)
};
var responseBytes = VirtualSecuredTransferProtocolHelper.PackToBytes(testResponse, serverSideRsaProvider, serverAesProvider);
Assert.IsNotNull(responseBytes);
// Simulate client side for getting respond
var responseRawMessage = VirtualSecuredTransferProtocolHelper.UnpackResponseFromBytes(responseBytes, clientSideRsaProvider, aesProvider);
Assert.IsNotNull(responseRawMessage);
Assert.AreEqual(testResponse.SchemaVersion, responseRawMessage.SchemaVersion);
Assert.IsTrue(Math.Abs((testResponse.Stamp.Value - responseRawMessage.Stamp.Value).TotalSeconds) < 1);
Assert.AreEqual(responseTestData, responseRawMessage.Data.ToUtf8String());
}
}
}
