private string EncryptPassword(string password, string modval, string expval)
{
var rsa = new RSACryptoServiceProvider();
var rsaParams = new RSAParameters
{
Modulus = MarketUtils.StringToByteArray(modval),
Exponent = MarketUtils.StringToByteArray(expval)
};
rsa.ImportParameters(rsaParams);
var encodedPass = rsa.Encrypt(Encoding.ASCII.GetBytes(password), false);
return(Convert.ToBase64String(encodedPass));
}
public AuthProcess Do(
string login,
string pass,
string captchaGid = null,
string captchaText = null,
string steamGuard = null,
string emailId = null)
{
if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(pass))
{
throw new ArgumentException("Login or password must not be empty");
}
var auth = new AuthProcess();
var rsa = this.GetRsa(login);
if (!rsa.Success)
{
auth.Message = "Failed to get RSA";
return(auth);
}
var encPass = this.EncryptPassword(pass, rsa.Module, rsa.Exponent);
if (string.IsNullOrEmpty(encPass))
{
throw new SteamException("Failed to get encrypt password");
}
var @params = new Dictionary <string, string>
{
{ "password", encPass },
{ "username", login },
{ "rsatimestamp", rsa.TimeStamp },
{ "remember_login", true.ToString() },
{ "loginfriendlyname", string.Empty },
{ "l", "en" }
};
if (!string.IsNullOrEmpty(captchaGid) && !string.IsNullOrEmpty(captchaText))
{
@params.Add("captchagid", captchaGid);
@params.Add("captcha_text", captchaText);
}
else
{
@params.Add("captchagid", "-1");
@params.Add("captcha_text", null);
}
if (!string.IsNullOrEmpty(steamGuard) && !string.IsNullOrEmpty(emailId))
{
@params.Add("emailsteamid", emailId);
@params.Add("emailauth", steamGuard);
}
else if (!string.IsNullOrEmpty(steamGuard))
{
@params.Add("twofactorcode", steamGuard);
}
var resp = this._steam.Request(Urls.LoginDo, Method.POST, Urls.Login, @params);
var jresp = JsonConvert.DeserializeObject <JLogin>(resp.Data.Content);
auth.Message = jresp.Message;
if (jresp.Success)
{
this.IsAuthorized = true;
this.CookieContainer = resp.CookieContainer;
auth.Success = true;
return(auth);
}
if (jresp.CaptchaNeeded)
{
auth.CaptchaNeeded = true;
auth.CaptchaGid = jresp.CaptchaGid;
auth.CaptchaImageUrl = MarketUtils.GetCaptchaImageUrl(jresp.CaptchaGid);
}
if (jresp.EmailAuthNeeded)
{
auth.EmailAuthNeeded = true;
auth.EmailId = jresp.EmailId;
}
else if (jresp.RequiresTwoFactor)
{
auth.TwoFactorNeeded = true;
}
return(auth);
}
