public override void HandleNavigation(object args)
{
// Identify the app
AppCredentials = new TwitterCredentials(_consumerKey, _consumerSecret);
// The user already was authorized
if (SavedToken.IsSet)
{
// Load saved token from file
Token token = SavedToken.Load();
// Set up the application credentials
TwitterCredentials credentials = new TwitterCredentials(AppCredentials.ConsumerKey,
AppCredentials.ConsumerSecret, token.AccessToken, token.AccessTokenSecret);
Tweetinvi.Auth.SetCredentials(credentials);
if (Tweetinvi.User.GetLoggedUser() != null)
{
var mainController = new MainController();
mainController.HandleNavigation(null);
}
else
{
Window.ShowError("Connection problem.");
Window.Show();
}
}
else
{
// The user need to log in
Window.Show();
}
}
private void Window_btnLogOutClicked(object sender, EventArgs e)
{
// Unset credentials
Tweetinvi.Auth.SetCredentials(null);
// Delete saved token
SavedToken.Delete();
Window.Close();
// Show LoginWindow
new LoginController {
Window = new LoginWindow()
}.HandleNavigation(null);
}
private void Window_btnLoginClicked(object sender, EventArgs e)
{
try
{
// With tthe pin code it is now possible to get the credentials back from Twitter
ITwitterCredentials credentials = CredentialsCreator.GetCredentialsFromVerifierCode
(Window.Pin, AppCredentials);
if (credentials != null)
{
// Use the user credentials
Tweetinvi.Auth.SetCredentials(credentials);
}
if (Tweetinvi.User.GetLoggedUser() != null)
{
var mainController = new MainController();
mainController.HandleNavigation(null);
if (Window.RememberChecked)
{
// Save user credentials
SavedToken.Set(new Token(Tweetinvi.User.GetLoggedUser().Name,
credentials.AccessToken, credentials.AccessTokenSecret));
}
Window.Close();
}
else
{
Window.ShowError("Incorrect PIN.");
AppCredentials.AuthorizationKey = null;
AppCredentials.AuthorizationSecret = null;
Window.RepeatAuthorization();
}
}
catch (Exception)
{
new ErrorDialog("Cannot login. Check your internet connection and entered PIN-code");
}
}
private void sendToken(IOAuth2Token tok)
{
SavedToken?.Invoke(null, tok);
}
private async Task <Token> TokenGetter()
{
/*the ToKen gets serialized to json and saved for later used, the same token can be used to get a SpotifyWebAPI connection
* but there's a time limitation. and we check if the time hasn't passed we use that token
* if it has we just get another one*/
try
{
SavedToken savedToken;
Token token;
if (System.IO.File.Exists(MyResources.Instance.TokenPath))
{
using (var sr = new StreamReader(MyResources.Instance.TokenPath, Encoding.UTF8))
{
savedToken = JsonConvert.DeserializeObject <SavedToken>(await sr.ReadToEndAsync());
}
if (savedToken.ExpiresInMinutes < 5)
{
token = GetToken();
if (token.HasError())
{
throw new Exception(token.ErrorDescription);
}
using (var sw = new StreamWriter(MyResources.Instance.TokenPath, false, Encoding.UTF8))
{
savedToken = new SavedToken
{
TokenType = token.TokenType,
AccessToken = token.AccessToken,
ExpiresIn = token.ExpiresIn,
CreateDate = DateTime.Now
};
await sw.WriteAsync(JsonConvert.SerializeObject(savedToken, Formatting.Indented));
}
}
else
{
token = new Token
{
TokenType = savedToken.TokenType,
AccessToken = savedToken.AccessToken,
ExpiresIn = savedToken.ExpiresIn,
CreateDate = savedToken.CreateDate
};
}
}
else
{
token = GetToken();
if (token.HasError())
{
throw new Exception(token.ErrorDescription);
}
using (var sw = new StreamWriter(MyResources.Instance.TokenPath, false, Encoding.UTF8))
{
savedToken = new SavedToken
{
TokenType = token.TokenType,
AccessToken = token.AccessToken,
ExpiresIn = token.ExpiresIn,
CreateDate = DateTime.Now
};
await sw.WriteAsync(JsonConvert.SerializeObject(savedToken, Formatting.Indented));
}
}
return(token);
}
catch (Exception e)
{
if (System.IO.File.Exists(MyResources.Instance.TokenPath))
{
System.IO.File.Delete(MyResources.Instance.TokenPath);
}
throw;
}
}
