/// <summary>
/// Internal method for GetTokenAsync
/// </summary>
/// <param name="parameters">Authentication parameters such as authority, resource etc.</param>
/// <returns>Security token (Access token)</returns>
private async Task <string> GetTokenInternalAsync(Microsoft.RightsManagement.AuthenticationParameters parameters)
{
Task <AuthenticationResult> authenticationResultTask = null;
// As authenticating the user involves UI, we need to do it on the UI thread
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
var authenticationContext = new AuthenticationContext(parameters.Authority, false);
// This requires filling in by the developer, using
const string clientId = "some-client-id"; // Requires generation once per application.
const string redirectionUrl = "some-redirection-url" + "://authorize"; // Requires generation once per application.
authenticationResultTask = authenticationContext.AcquireTokenAsync(
parameters.Resource,
clientId,
new Uri(redirectionUrl),
PromptBehavior.Auto
).AsTask();
});
// Wait until the authentication is finished and return the result
var authenticationResult = await authenticationResultTask;
if (authenticationResult.Status != AuthenticationStatus.Success)
{
switch (authenticationResult.Error)
{
// Handle user canceling the authentication
case Constants.AuthenticationCanceledErrorCode:
throw new OperationCanceledException("Authentication was canceled by the user.");
default:
throw new Exception(
String.Format(
"ADAL authentication failed. Error: {0} ErrorDescription: {1}",
authenticationResult.Error,
authenticationResult.ErrorDescription)
);
}
}
return(authenticationResult.AccessToken);
}
IAsyncOperation <string> Microsoft.RightsManagement.IAuthenticationCallback.GetTokenAsync(Microsoft.RightsManagement.AuthenticationParameters authenticationParameters)
{
throw new NotImplementedException();
}
/// <summary>
/// Authenticates the user and gets the security token
/// </summary>
/// <param name="authenticationParameters">Authentication parameters such as authority, resource etc.</param>
/// <returns>Security token (Access token)</returns>
public IAsyncOperation <string> GetTokenAsync(Microsoft.RightsManagement.AuthenticationParameters authenticationParameters)
{
return(this.GetTokenInternalAsync(authenticationParameters).AsAsyncOperation());
}