public async Task <(bool IsSucessful, string Error)> Login(Urls.OIDCUrls urls)
{
var configuration = new AuthorizationServiceConfiguration(
ToUrl(urls.Authorization),
ToUrl(urls.Token)
);
var authRequestBuilder = new AuthorizationRequest.Builder(
configuration,
AuthConstants.ClientId,
ResponseTypeValues.Code,
global::Android.Net.Uri.Parse(AuthConstants.RedirectUri)
).SetScope(AuthConstants.Scope);
if (AuthConstants.Scope.Contains("offline_access"))
{
authRequestBuilder = authRequestBuilder.SetPrompt("consent");
}
var authRequest = authRequestBuilder.Build();
MicroLogger.LogDebug("Making auth request to " + configuration.AuthorizationEndpoint);
#pragma warning disable IDE0059 // Unnecessary assignment of a value
var intent = authService.GetAuthorizationRequestIntent(authRequest);
#pragma warning restore IDE0059 // Unnecessary assignment of a value
taskCompletitionSource = new TaskCompletionSource <AuthState>();
authService.PerformAuthorizationRequest(
authRequest,
AuthActivity.CreatePostAuthorizationIntent(
_context,
authRequest),
authService.CreateCustomTabsIntentBuilder().Build()
);
var state = await taskCompletitionSource.Task;
if (state.AuthorizationException != null)
{
return(false, state.AuthorizationException.ErrorDescription);
}
else
{
return(true, null);
}
}
public async Task <(bool, string)> AuthWithAutoCodeExchange(Urls.OIDCUrls urls)
{
MicroLogger.LogDebug(nameof(AuthWithAutoCodeExchange));
var redirectURI = new NSUrl(AuthConstants.RedirectUri);
try
{
// discovers endpoints
var configuration = new ServiceConfiguration(ToUrl(urls.Authorization), ToUrl(urls.Token));
MicroLogger.LogDebug($"Got configuration: {configuration}");
// builds authentication request
var request = new AuthorizationRequest(configuration, AuthConstants.ClientId, AuthConstants.ClientSecret, AuthConstants.ScopesArray, redirectURI, ResponseType.Code, null);
// performs authentication request
var appDelegate = (AppDelegate)UIApplication.SharedApplication.Delegate;
MicroLogger.LogDebug($"Initiating authorization request with scope: {request.Scope}");
var tcl = new TaskCompletionSource <(bool, string)>();
appDelegate.CurrentAuthorizationFlow = AuthState
.PresentAuthorizationRequest(request, appDelegate.Window.RootViewController, (authState, error) =>
{
MicroLogger.LogDebug(nameof(AuthState.PresentAuthorizationRequest) + "Done");
if (authState != null)
{
AuthService.SaveState(authState);
MicroLogger.LogDebug($"Got authorization tokens. Access token: {authState.LastTokenResponse.AccessToken}");
tcl.SetResult((true, null));
}
else
{
MicroLogger.LogError($"Authorization error: {error.LocalizedDescription}");
AuthService.ClearState();
tcl.SetResult((false, error.LocalizedDescription));
}
});
