/// <summary>
/// Gets a valid authentication token. Also refreshes the access token if it has expired.
/// </summary>
/// <remarks>
/// Used by the API request generators before making calls to the OneNote APIs.
/// </remarks>
/// <returns>valid authentication token</returns>
internal static async Task <string> GetAuthToken()
{
if (String.IsNullOrWhiteSpace(_accessToken))
{
try
{
var serviceTicketRequest = new OnlineIdServiceTicketRequest(Scopes, "DELEGATION");
var result =
await Authenticator.AuthenticateUserAsync(new[] { serviceTicketRequest }, CredentialPromptType.PromptIfNeeded);
if (result.Tickets[0] != null)
{
_accessToken = result.Tickets[0].Value;
_accessTokenExpiration = DateTimeOffset.UtcNow.AddMinutes(AccessTokenApproxExpiresInMinutes);
}
}
catch (Exception ex)
{
// Authentication failed
if (Debugger.IsAttached)
{
Debugger.Break();
}
}
}
await RefreshAuthTokenIfNeeded();
return(_accessToken);
}
public async Task <bool> EnsureUserIdentityAsync(
CancellationToken cancelToken,
string msaAuthPolicy)
{
OnlineIdServiceTicketRequest[] tickets = new OnlineIdServiceTicketRequest[]
{
new OnlineIdServiceTicketRequest(
LiveIdHostName,
msaAuthPolicy)
};
try
{
var onlineIdAuthenticator = new OnlineIdAuthenticator();
m_userIdentity = await onlineIdAuthenticator.AuthenticateUserAsync(tickets, CredentialPromptType.PromptIfNeeded);
return(true);
}
catch (TaskCanceledException) {
throw;
}
catch (Exception)
{
return(false);;
}
}
private async void SignInButton_Click(object sender, RoutedEventArgs e)
{
var targetArray = new List <OnlineIdServiceTicketRequest>();
targetArray.Add(new OnlineIdServiceTicketRequest("jsonwebtokensample.com", "JWT"));
SignInButton.Visibility = Visibility.Collapsed;
try
{
var result = await _authenticator.AuthenticateUserAsync(targetArray, PromptType);
if (result.Tickets[0].Value != string.Empty)
{
DebugPrint("Signed in.");
NeedsToGetTicket = false;
Token = result.Tickets[0].Value;
}
else
{
// errors are to be handled here.
DebugPrint("Unable to get the ticket. Error: " + result.Tickets[0].ErrorCode.ToString());
}
}
catch (System.Exception ex)
{
// errors are to be handled here.
DebugPrint("Unable to get the ticket. Exception: " + ex.Message);
}
NeedsToGetTicket = Token == null || Token.Length == 0;
SignInButton.Visibility = NeedsToGetTicket ? Visibility.Visible : Visibility.Collapsed;
}
public async Task <bool> AuthenticateAsync(params string[] services)
{
List <OnlineIdServiceTicketRequest> targetArray = new List <OnlineIdServiceTicketRequest>();
targetArray.Add(new OnlineIdServiceTicketRequest(string.Join(" ", services), POLICY_DELEGATION));
try
{
UserIdentity = await _authenticator.AuthenticateUserAsync(targetArray, CredentialPromptType.PromptIfNeeded);
return(true);
}
catch (Exception)
{
return(false);
}
}
public async Task <AuthResult> AuthAsync(string startUrl, string endUrlPrefix)
{
AuthResult result = new AuthResult(WebAuthenticationStatus.UserCancel);
Uri start = null;
OnlineIdServiceTicketRequest[] tickets = new OnlineIdServiceTicketRequest[]
{
new OnlineIdServiceTicketRequest(
new Uri(startUrl).Host,
String.IsNullOrEmpty(LiveIdAuthPolicy)
? ServiceDefinition.DefaultLiveIdAuthPolicy
: LiveIdAuthPolicy)
};
try
{
var onlineIdAuthenticator = new OnlineIdAuthenticator();
UserIdentity useridentity =
await onlineIdAuthenticator.AuthenticateUserAsync(tickets, CredentialPromptType.PromptIfNeeded);
if (useridentity != null && useridentity.Tickets != null && useridentity.Tickets.Count > 0)
{
OnlineIdServiceTicket ticket = useridentity.Tickets.First();
start = new Uri(startUrl + WebUtility.UrlEncode("&" + ticket.Value) + "&mobile=true");
}
}
catch (TaskCanceledException)
{
result.Status = WebAuthenticationStatus.UserCancel;
}
catch
{
start = new Uri(startUrl + "&mobile=true");
}
if (start != null)
{
WebAuthenticationResult webAuthResult = (await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, start, new Uri(endUrlPrefix)));
result = new AuthResult(webAuthResult);
}
return(result);
}
private async void SignInButton_Click(object sender, RoutedEventArgs e)
{
var targetArray = new List <OnlineIdServiceTicketRequest>();
targetArray.Add(new OnlineIdServiceTicketRequest("wl.basic wl.contacts_photos office.onenote_create", "DELEGATION"));
AccessToken = null;
NeedsToGetTicket = true;
DebugPrint("Signing in...");
try
{
var result = await _authenticator.AuthenticateUserAsync(targetArray, PromptType);
if (result.Tickets[0].Value != string.Empty)
{
DebugPrint("Signed in.");
NeedsToGetTicket = false;
AccessToken = result.Tickets[0].Value;
}
else
{
// errors are to be handled here.
DebugPrint("Unable to get the ticket. Error: " + result.Tickets[0].ErrorCode.ToString());
}
}
catch (System.OperationCanceledException)
{
// errors are to be handled here.
DebugPrint("Operation canceled.");
}
catch (System.Exception ex)
{
// errors are to be handled here.
DebugPrint("Unable to get the ticket. Exception: " + ex.Message);
}
SignInButton.Visibility = NeedsToGetTicket ? Visibility.Visible : Visibility.Collapsed;
GoNextStackpanel.Visibility = NeedsToGetTicket ? Visibility.Collapsed : Visibility.Visible;
}