/// <summary>
/// Send an object of type T1, @item, parsed as json string embedded with the
/// authentication token, that is build using @user and @token,
/// as an HTTP post request to server at address @url.
/// This method reutens the server response as is.
/// </summary>
/// <typeparam name="T1">Type of the data object to send</typeparam>
/// <param name="url">address of the server</param>
/// <param name="user">username for authentication data</param>
/// <param name="token">token for authentication data</param>
/// <param name="item">the data item to send in the reuqest</param>
/// <returns>the server response</returns>
public string SendPostRequest <T1>(string url, string user, string token, T1 item, int nonce)
{
var auth = new { token, nonce, user };
JObject jsonItem = JObject.FromObject(item);
jsonItem.Add("auth", JObject.FromObject(auth));
StringContent content = new StringContent(jsonItem.ToString());
string ans;
using (var client = new HttpClient())
{
var result = client.PostAsync(url, content).Result;
var responseContent = result?.Content?.ReadAsStringAsync().Result;
if (responseContent.Equals("Non unique nonce"))
{
nonce = new Random().Next(Int32.MinValue, Int32.MaxValue);
return(SendPostRequest(url, user, token, item, nonce));
}
else
{
string privateKey = System.IO.File.ReadAllText(KEY_PATH);
ans = SimpleCtyptoLibrary.decrypt(responseContent, privateKey);
}
return(ans);
}
}
public void setToken(string KEY_PATH = @"..\..\..\private_key")
{
try
{
string privateKey = System.IO.File.ReadAllText(KEY_PATH);
this.token = SimpleCtyptoLibrary.CreateToken(this.user, privateKey);
}
catch
{
throw new Exception("Error reading the private key file");
}
}
public string createToken(int nonce)
{
try
{
return(SimpleCtyptoLibrary.CreateToken(user, privateKey, nonce));
}
catch
{
StackFrame sf = new StackFrame(1, true);
Logger.ErrorLog(sf.GetMethod(), sf.GetFileLineNumber(), "There's a problem with reading the private key");
throw new Exception("Error reading the private key file");
}
}