}

	roleARN := os.Getenv("ROLE_ARN")
	webID := cr.STSWebIdentity{
		Client:      &http.Client{},
		STSEndpoint: endpoint,
		GetWebIDTokenExpiry: func() (*cr.WebIdentityToken, error) {
			return &cr.WebIdentityToken{
				Token: oidcToken,
			}, nil
		},
		RoleARN: roleARN,
	}

	value, err := webID.Retrieve()
	if err != nil {
		log.Fatalf("Expected to generate credentials: %v", err)
	}

			return
		}

		var getWebTokenExpiry func() (*credentials.WebIdentityToken, error)
		if clientSec == "" {
			getWebTokenExpiry = func() (*credentials.WebIdentityToken, error) {
				return &credentials.WebIdentityToken{
					Token: r.Form.Get("id_token"),
				}, nil
			}
		} else {
			getWebTokenExpiry = func() (*credentials.WebIdentityToken, error) {
				oauth2Token, err := config.Exchange(ctx, r.URL.Query().Get("code"))

    id_token = tokens['id_token']

    response = sts_client.assume_role_with_web_identity(
        RoleArn='arn:aws:iam::123456789012:user/svc-internal-api',
        RoleSessionName='test',
        WebIdentityToken=id_token,
        DurationSeconds=3600
    )

    s3_resource = boto3.resource('s3',
                                 endpoint_url='http://localhost:9000',