/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task <AccessToken> GetAccessToken()
{
AccessToken accessToken;
PtcLoginParameters loginData = null;
var cookies = Cookies.GetCookies("sso.pokemon.com").ToList();
// @robertmclaws: "CASTGC" is the name of the login cookie that the service looks for, afaik.
// The second one is listed as a backup in case they change the cookie name.
if (!cookies.Any(c => c.Name == "CASTGC") || cookies.Count == 0)
{
loginData = await GetLoginParameters().ConfigureAwait(false);
}
var authTicket = await GetAuthenticationTicket(loginData).ConfigureAwait(false);
accessToken = await GetOAuthToken(authTicket).ConfigureAwait(false);
return(accessToken);
}
/// <summary>
/// Authenticates against the PTC login service and acquires an Authentication Ticket.
/// </summary>
/// <param name="httpClient">The <see cref="HttpClient"/> instance to use for this request.</param>
/// <param name="loginData">The <see cref="PtcLoginParameters" /> to use from this request. Obtained by calling <see cref="GetLoginParameters(HttpClient)"/>.</param>
/// <returns></returns>
private async Task <string> GetAuthenticationTicket(PtcLoginParameters loginData)
{
var requestData = new Dictionary <string, string>
{
{ "lt", loginData.Lt },
{ "execution", loginData.Execution },
{ "_eventId", "submit" },
{ "username", Username },
{ "password", Password }
};
var responseMessage = await HttpClient.PostAsync(Constants.LoginUrl, new FormUrlEncodedContent(requestData)).ConfigureAwait(false);
// robertmclaws: No need to even read the string if we have results from the location query.
if (responseMessage.Headers.Location != null)
{
var decoder = new WwwFormUrlDecoder(responseMessage.Headers.Location.Query);
if (decoder.Count == 0)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw new LoginFailedException();
}
return(decoder.GetFirstValueByName("ticket"));
}
var responseContent = await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
var response = JsonConvert.DeserializeObject <PtcAuthenticationTicketResponse>(responseContent);
var loginFailedWords = new string[] { "incorrect", "disabled" };
var loginFailed = loginFailedWords.Any(failedWord => response.Errors.Any(error => error.Contains(failedWord)));
if (loginFailed)
{
throw new LoginFailedException(responseMessage);
}
throw new Exception($"Pokemon Trainer Club responded with the following error(s): '{string.Join(", ", response.Errors)}'");
}
/// <summary>
/// Authenticates against the PTC login service and acquires an Authentication Ticket.
/// </summary>
/// <param name="loginData">The <see cref="PtcLoginParameters" /> to use from this request. Obtained by calling <see cref="GetLoginParameters(HttpClient)"/>.</param>
/// <returns></returns>
private async Task <string> GetAuthenticationTicket(PtcLoginParameters loginData)
{
HttpResponseMessage responseMessage;
if (loginData != null)
{
var requestData = new Dictionary <string, string>
{
{ "lt", loginData.Lt },
{ "execution", loginData.Execution },
{ "_eventId", "submit" },
{ "username", Username },
{ "password", Password }
};
responseMessage = await HttpClient.PostAsync(Constants.LoginUrl, new FormUrlEncodedContent(requestData)).ConfigureAwait(false);
}
else
{
responseMessage = await HttpClient.GetAsync(Constants.LoginUrl);
}
// robertmclaws: No need to even read the string if we have results from the location query.
if (responseMessage.StatusCode == HttpStatusCode.Found && responseMessage.Headers.Location != null)
{
var decoder = new WwwFormUrlDecoder(responseMessage.Headers.Location.Query);
if (decoder.Count == 0)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw new LoginFailedException();
}
return(decoder.GetFirstValueByName("ticket"));
}
var responseContent = await responseMessage.Content.ReadAsStringAsync().ConfigureAwait(false);
PtcAuthenticationTicketResponse response = null;
// @robertmclaws: Let's try to catch situations we haven't thought of yet.
try
{
response = JsonConvert.DeserializeObject <PtcAuthenticationTicketResponse>(responseContent);
}
catch (Exception ex)
{
Logger.Write(ex.Message);
throw new LoginFailedException("We encountered a response from the PTC login servers thet we didn't anticipate. Please take a screenshot and open a ticket."
+ Environment.NewLine + responseContent.Replace("/n", ""));
}
if (!string.IsNullOrWhiteSpace(response.ErrorCode) && response.ErrorCode.EndsWith("activation_required"))
{
throw new LoginFailedException($"Your two-day grace period has expired, and your PTC account must now be activated." + Environment.NewLine + $"Please visit {response.Redirect}.");
}
var loginFailedWords = new string[] { "incorrect", "disabled" };
var loginFailed = loginFailedWords.Any(failedWord => response.Errors.Any(error => error.Contains(failedWord)));
if (loginFailed)
{
throw new LoginFailedException(response.Errors[0]);
}
throw new Exception($"Pokemon Trainer Club responded with the following error(s): '{string.Join(", ", response.Errors)}'");
}
