public async Task LoginAsync()
{
try
{
var authConfig = await AuthorizationServiceConfiguration.FetchFromIssuerAsync(Uri.Parse("https://example.com"));
AuthState authState = new AuthState(authConfig);
AuthorizationRequest.Builder authReqBuilder = new AuthorizationRequest.Builder(authConfig,
"RealOneGame.Xamarin",
ResponseTypeValues.Code,
Uri.Parse("https://com.example/oauth2redirect"));
authReqBuilder.SetScope("api1 openid profile offline_access");
AuthorizationRequest authReq = authReqBuilder.Build();
AuthorizationService authService = new AuthorizationService(Application.Context);
authService.PerformAuthorizationRequest(authReq, PendingIntent.GetActivity(Application.Context, 0, new Intent(Application.Context, typeof(MyAuthCompleteActivity)), 0),
PendingIntent.GetActivity(Application.Context, 0, new Intent(Application.Context, typeof(MyAuthCanceledActivity)), 0));
}
catch
{
}
}
private void BuildAuthorizationRequest(AuthorizationServiceConfiguration serviceConfiguration)
{
AuthorizationRequest.Builder builder = new AuthorizationRequest.Builder(
serviceConfiguration,
Configuration.ClientId,
ResponseTypeValues.Code,
Uri.Parse(Configuration.LoginRedirectUri));
builder.SetScope(string.Join(" ", Scopes));
authorizationRequest = builder.Build();
}
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);
}
}