private async Task <Response> TryLogin(string token, ReCaptchaSolution solution)
{
var req = Client.Post("login").DisableAutologin();
req.Form.Add("_token", token);
req.Form.Add("citizen_email", Client.Session.Email);
req.Form.Add("citizen_password", Client.Session.Password);
req.Form.Add("remember", 1);
req.AddReferer();
if (solution != null)
{
req.Form.Add(solution);
}
return(await req.Send());
}
private async Task <SubscriptionResultJson> TrySubscribeNewspaper(int newspaperId, bool unsubscribe,
ReCaptchaSolution solution = null)
{
var req = Client.Post(new Uri(Client.BaseUri, "subscribe")).CSRF();
req.Form.Add("type", (unsubscribe ? "un" : "") + "subscribe");
req.Form.Add("n", newspaperId);
req.AddReferer("newspaper/" + newspaperId + "/1");
if (solution != null)
{
req.Form.Add(solution);
}
var res = await req.Send();
return(res.JSON <SubscriptionResultJson>());
}
/// <summary>
/// Logs in eRepublik.
/// </summary>
public async Task <HomePage> Login()
{
ReCaptchaSolution solution = null;
// Requests home page.
// If we checked "remember me", it should redirect us to "/en/login" and then straight away to "/en".
// HTTP client will follow redirects by default.
var res = await Client.Get().DisableAutologin().Send();
if (IsLoggedIn(res))
{
// Session cookie has been refreshed and we are already logged in.
var home = new HomePage(res);
// Update CSRF token.
Client.Session.Token = home.Token;
return(home);
}
var token = res.XPath().Find("//input[@id='_token']").GetAttribute("value");
do
{
res = await TryLogin(token, solution);
if (IsLoggedIn(res))
{
var home = new HomePage(res);
Client.Session.Token = home.Token;
return(home);
}
var html = await res.Content.ReadAsStringAsync();
if (html.Contains("The challenge solution was incorrect."))
{
throw new Exception("The captcha challenge solution was incorrect.");
}
if (html.Contains("The email address is not valid</span>"))
{
throw new Exception("Invalid e-mail address.");
}
if (html.Contains("<form class=\"login\"") && html.Contains("Wrong password"))
{
if (html.Contains("Complete the captcha challenge"))
{
solution = await Client.SolveCaptcha();
}
else
{
throw new Exception("Invalid password.");
}
}
else
{
Logger.Error("Unknown login error.");
Logger.Trace(html);
throw new Exception("Unknown login error.");
}
} while (true);
}
/// <summary>
/// Adds captcha solution fields.
/// </summary>
public void Add(ReCaptchaSolution solution)
{
Add("recaptcha_response_field", solution.Response);
Add("recaptcha_challenge_field", solution.Challenge);
}
