private async void WebAccountProviderInvokedHandler(WebAccountProviderCommand command)
{
string externalLoginUri = command.WebAccountProvider.Id;
ExternalLoginResult loginExternalResult = await ExternalLoginManager.GetExternalAccessTokenAsync(externalLoginUri);
string accessToken = loginExternalResult.AccessToken;
if (accessToken != null)
{
HttpResult result;
using (AccountClient accountClient = ClientFactory.CreateAccountClient())
{
result = await accountClient.AddExternalLoginAsync(new AddExternalLogin()
{
ExternalAccessToken = accessToken
});
}
if (result.Succeeded)
{
AccountsSettingsPane.Show();
}
else
{
await ErrorDialog.ShowErrorsAsync(result.Errors);
}
}
else
{
await ErrorDialog.ShowErrorAsync("Failed to connect to external account.");
}
}
private async void SignUpButton_Click(object sender, RoutedEventArgs e)
{
ClearErrors();
RegisterExternalUser registerExternalUser = new RegisterExternalUser()
{
UserName = this.UsernameTextBox.Text,
};
HttpResult result;
using (AccountClient accountClient = ClientFactory.CreateAccountClient())
{
result = await accountClient.RegisterExternalAsync(registerExternalUser);
}
if (result.Succeeded)
{
// Need to login again now that we are registered - should happen with the existing cookie
ExternalLoginResult externalLoginResult = await ExternalLoginManager.GetExternalAccessTokenAsync(externalLoginUri, silentMode : true);
if (externalLoginResult.AccessToken != null)
{
bool completed = accessTokenSource.TrySetResult(externalLoginResult.AccessToken);
this.Frame.Navigate(typeof(TodoPage));
}
else
{
await ErrorDialog.ShowErrorAsync("Failed to register external account");
}
}
else
{
DisplayErrors(result.Errors);
}
}
public static async Task<ExternalLoginResult> GetExternalAccessTokenAsync(string externalLoginUri, bool silentMode = false)
{
Uri authorizationRequestUri = new Uri(new Uri(ClientFactory.BaseAddress), externalLoginUri);
WebAuthenticationOptions webAuthenticationOptions = silentMode ? WebAuthenticationOptions.SilentMode : WebAuthenticationOptions.None;
WebAuthenticationResult authenticationResult = await WebAuthenticationBroker.AuthenticateAsync(webAuthenticationOptions, authorizationRequestUri);
ExternalLoginResult loginExternalResult = new ExternalLoginResult() { WebAuthenticationResult = authenticationResult };
if (authenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
Uri responseDataUri = new Uri(authenticationResult.ResponseData);
string fragment = responseDataUri.Fragment;
if (fragment != null && fragment.Length > 0)
{
WwwFormUrlDecoder wwwFormUrlDecoder = new WwwFormUrlDecoder(fragment.Substring(1));
loginExternalResult.AccessToken = wwwFormUrlDecoder.GetFirstValueByName("access_token");
}
}
return loginExternalResult;
}
private async void WebAccountProviderInvokedHandler(WebAccountProviderCommand command)
{
string externalLoginUri = command.WebAccountProvider.Id;
ExternalLoginResult loginExternalResult = await ExternalLoginManager.GetExternalAccessTokenAsync(externalLoginUri);
if (loginExternalResult.AccessToken != null)
{
// Save the access token so we can check if the user has registered
AppSettings settings = new AppSettings();
settings.AccessToken = loginExternalResult.AccessToken;
HttpResult <UserInfo> result;
using (AccountClient accountClient = ClientFactory.CreateAccountClient())
{
result = await accountClient.GetUserInfoAsync();
}
if (result.Succeeded)
{
if (result.Content.HasRegistered)
{
accessTokenSource.TrySetResult(loginExternalResult.AccessToken);
this.Frame.GoBack();
}
else
{
RegisterExternalPageParameters parameters = new RegisterExternalPageParameters()
{
AccessTokenSource = accessTokenSource,
ExternalLoginUri = externalLoginUri,
UserInfo = result.Content
};
this.Frame.Navigate(typeof(RegisterExternalPage), parameters);
}
}
else
{
await ErrorDialog.ShowErrorsAsync("Failed to connected to external account.", result.Errors);
}
}
else
{
await ErrorDialog.ShowErrorAsync("Failed to connected to external account.");
}
}
public static async Task <ExternalLoginResult> GetExternalAccessTokenAsync(string externalLoginUri, bool silentMode = false)
{
Uri authorizationRequestUri = new Uri(new Uri(ClientFactory.BaseAddress), externalLoginUri);
WebAuthenticationOptions webAuthenticationOptions = silentMode ? WebAuthenticationOptions.SilentMode : WebAuthenticationOptions.None;
WebAuthenticationResult authenticationResult = await WebAuthenticationBroker.AuthenticateAsync(webAuthenticationOptions, authorizationRequestUri);
ExternalLoginResult loginExternalResult = new ExternalLoginResult()
{
WebAuthenticationResult = authenticationResult
};
if (authenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
Uri responseDataUri = new Uri(authenticationResult.ResponseData);
string fragment = responseDataUri.Fragment;
if (fragment != null && fragment.Length > 0)
{
WwwFormUrlDecoder wwwFormUrlDecoder = new WwwFormUrlDecoder(fragment.Substring(1));
loginExternalResult.AccessToken = wwwFormUrlDecoder.GetFirstValueByName("access_token");
}
}
return(loginExternalResult);
}
