public async Task <string> GetUser(string line)
{
var request = new HttpRequestMessage(HttpMethod.Get, $"user/new?username={line}");
var response = await _sender.SendAsync(request);
var product = await _sender.GetResponseString(response);
return(product);
}
public string ProtectedHello()
{
if (!_sender.UserCheck())
{
return("");
}
var request = new HttpRequestMessage(HttpMethod.Get, "protected/hello");
var response = _sender.SendAuthenticatedAsync(request).Result;
return(_sender.GetResponseString(response).Result);
}
public async Task Process(string value)
{
if (!HasKey())
{
return;
}
if (!_sender.UserCheck())
{
return;
}
var request = new HttpRequestMessage(HttpMethod.Get, $"protected/sign?message={value}");
var response = _sender.SendAuthenticatedAsync(request);
// Hash while waiting for server response
var hashedValue = Hash(value);
// Convert hex string to byte array;
var hexadecimal = await _sender.GetResponseString(await response);
var signatureHash = CryptoHelper.HexToByte(hexadecimal);
bool validSignature = VerifyHash(hashedValue, signatureHash);
string outcome = validSignature
? "Message was successfully signed"
: "Message was not successfully signed";
_output.Log(outcome);
}
private async Task <string> Decrypt(HttpResponseMessage response, Aes aes)
{
var encryptedHex = await _sender.GetResponseString(response);
var encryptedBytes = encryptedHex.HexToByte();
return(CryptoHelper.AesDecrypt(encryptedBytes, aes.Key, aes.IV));
}