/// <summary>
/// Performs OAuth 2.0 authorization.
/// Opens a window with browser control to make it possible for users to supply their username and password to Microsoft's authentication servers.
/// </summary>
public Task <OAuthAzureCredentials> AuthorizeAsync()
{
if (ClientId == null)
{
throw new InvalidOperationException("ClientId not specified.");
}
if (TenantId == null)
{
throw new InvalidOperationException("TenantId not specified.");
}
if (Scopes == null)
{
throw new InvalidOperationException("Scopes not specified.");
}
if (_credentials != null)
{
throw new InvalidOperationException("Only one authentication request can be performed.");
}
// get redirect URI and determine expected authority
string redirectUri = RedirectUri ?? OAuthAzureCredentials.DefaultRedirectUri;
// create an instance of OAuthAzureCredentials helper class
_credentials = new OAuthAzureCredentials(ClientId, TenantId, PromptType, redirectUri, Scopes);
// create task completion source for the whole action
_taskCompletion = new TaskCompletionSource <OAuthAzureCredentials>();
// Direct the user to authorization endpoint.
// Once completed, the application will receive an authorization code.
// show the window and navigate to authentication URI
Show();
webBrowser.Navigate(_credentials.AuthorizationUri);
// return task that will finish on succcess or failure
return(_taskCompletion.Task);
}
/// <summary>
/// Performs OAuth 2.0 authorization.
/// Opens a window with browser control to make it possible for users to supply their username and password to Microsoft's authentication servers.
/// </summary>
public void Authorize()
{
if (ClientId == null)
{
throw new InvalidOperationException("ClientId not specified.");
}
if (TenantId == null)
{
throw new InvalidOperationException("TenantId not specified.");
}
if (Scopes == null)
{
throw new InvalidOperationException("Scopes not specified.");
}
if (Credentials != null)
{
throw new InvalidOperationException("Only one authentication request can be performed.");
}
// get redirect URI and determine expected authority
string redirectUri = RedirectUri ?? OAuthAzureCredentials.DefaultRedirectUri;
// create an instance of OAuthAzureCredentials helper class
Credentials = new OAuthAzureCredentials(ClientId, TenantId, PromptType, redirectUri, Scopes);
// set field that indicates that authentication is in progress
_authenticating = true;
// Direct the user to authorization endpoint.
// Once completed, the application will receive an authorization code.
// show the window and navigate to authentication URI
Show();
webBrowser.Navigate(new Uri(Credentials.AuthorizationUri));
}