//stuff that controller shouldn't know
// private bool verifyMessage(string message)
// {
// JsonSerializerOptions serializerOptions = new JsonSerializerOptions();
// serializerOptions.Converters.Add(new BigIntegerConverter());
// Signature signature = JsonSerializer.Deserialize<Signature>(message, serializerOptions);
//
// return Verifying.verifyMessage(signature, message, EncryptionVariables.PukForClients,
// EncryptionVariables.EllipticCurveForClient);
// }
// https://weblog.west-wind.com/posts/2017/sep/14/accepting-raw-request-body-content-in-aspnet-core-api-controllers
// public static async Task<string> GetRawBodyStringAsync(this HttpRequest request, Encoding encoding = null)
// {
// if (encoding == null)
// encoding = Encoding.UTF8;
//
// using (StreamReader reader = new StreamReader(request.Body, encoding))
// return await reader.ReadToEndAsync();
// }
private string loginClientToLoginServer(string message)
{
JsonSerializerOptions serializerOptions = new JsonSerializerOptions();
serializerOptions.Converters.Add(new BigIntegerConverter());
LoginContainer loginContainer = JsonSerializer.Deserialize <LoginContainer>(message, serializerOptions);
EllipticCurvePoint sharedKey = KeyGeneration.calculateMasterKey(EncryptionVariables.PrkcForClient,
loginContainer.clientPuk, EncryptionVariables.EllipticCurveForClient);
ECIESUnprocessResult unprocessResult = ECIESProvider.unprocessMessage(sharedKey.x.ToString(),
loginContainer.loginPackage.Tag, loginContainer.loginPackage.EncryptedMessage);
if (unprocessResult.Status != MyEnum.Successful)
{
return(JsonSerializer.Serialize(new LoginResultContainer()
{
LoginResultECIESProcessed = ECIESProvider.processMessage(sharedKey.x.ToString(),
JsonSerializer.Serialize(new LoginResult()
{
Status = 401
}))
}));
}
else
{
LoginPackage loginPackage =
JsonSerializer.Deserialize <LoginPackage>(unprocessResult.DeprocessedMessage);
LoginResult loginResult = _login.login(loginPackage);
return(JsonSerializer.Serialize(new LoginResultContainer()
{
LoginResultECIESProcessed = ECIESProvider.processMessage(sharedKey.x.ToString(),
JsonSerializer.Serialize(loginResult))
}));
}
}
public async Task <MyEnum> sendLoginRequest(Credentials identity)
{
JsonSerializerOptions serializerOptions = new JsonSerializerOptions();
serializerOptions.Converters.Add(new BigIntegerConverter());
EllipticCurvePoint niosSharedKey = KeyGeneration.calculateMasterKey(
ClientVariables.Prk,
ClientVariables.NiosKey,
ClientVariables.EllipticCurve);
string message = JsonSerializer.Serialize(identity);
NIOSPackage NIOSPackage = new()
{
clientPUk = ClientVariables.Puk,
encryptedCredentials = ECIESProvider.processMessage(niosSharedKey.x.ToString(), message)
};
LoginPackage loginPackage = new()
{
Cpr = identity.Cpr,
niosPackage = NIOSPackage
};
LoginContainer loginContainer = new()
{
clientPuk = ClientVariables.Puk,
loginPackage = ECIESProvider.processMessage(ClientVariables.SharedKey.x.ToString(),
JsonSerializer.Serialize(loginPackage, serializerOptions))
};
string loginContainerString = JsonSerializer.Serialize(loginContainer, serializerOptions);
HttpResponseMessage responseLoginResult =
await new HttpRequester().PostMessage(loginContainerString, "/login");
string loginResultString = responseLoginResult.Content.ReadAsStringAsync().Result;
LoginResultContainer resultContainer = JsonSerializer.Deserialize <LoginResultContainer>(loginResultString, serializerOptions);
ECIESUnprocessResult unprocessResult = ECIESProvider.unprocessMessage(
ClientVariables.SharedKey.x.ToString(),
resultContainer.LoginResultECIESProcessed.Tag,
resultContainer.LoginResultECIESProcessed.EncryptedMessage);
if (unprocessResult.Status != MyEnum.Successful)
{
return(MyEnum.Unauthorized);
}
LoginResult result = JsonSerializer.Deserialize <LoginResult>(unprocessResult.DeprocessedMessage, serializerOptions);
if (result.Status != 200)
{
return(MyEnum.Fail);
}
else
{
return(MyEnum.Successful);
}
}
}
}