{* ../../docs_src/background_tasks/tutorial002_an_py310.py hl[13,15,22,25] *}

Neste exemplo, as mensagens serão escritas no arquivo `log.txt` *após* o envio da resposta.

Se houver uma query na request, ela será registrada em uma tarefa em segundo plano.

        // We can't directly test if password is wiped since auth is out of scope,
        // but the close() method should have been called
    }

    /**
     * Test secure memory clearing in close()
     */
    @Test
    @DisplayName("Test secure memory clearing on close")
    public void testCloseSecurelyClearsMemory() {
        char[] testPassword = "CloseTestPass123!".toCharArray();

        RequestData data = new RequestData();

        String url = "https://example.com/path";
        data.setUrl(url);
        assertEquals(url, data.getUrl());

        String url2 = "http://test.org/";
        data.setUrl(url2);
        assertEquals(url2, data.getUrl());

        data.setUrl(null);
        assertNull(data.getUrl());
    }

    public void test_weightGetterSetter() {

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Secure credential storage with encryption at rest.
 *
 * Provides secure storage of passwords and other sensitive credentials
 * using AES-GCM encryption with PBKDF2 key derivation.
 *
 * Features:
 * - Encrypts credentials at rest using AES-256-GCM
 * - Uses PBKDF2 for key derivation from master password
 * - Secure wiping of sensitive data
 * - Thread-safe operations

	if err != nil {
		log.Fatalf("Error parsing sts endpoint: %v", err)
	}

	opts := &minio.Options{
		Creds:  li,
		Secure: stsEndpointURL.Scheme == "https",
	}

	mopts := &madmin.Options{
		Creds:  li,
		Secure: stsEndpointURL.Scheme == "https",
	}

	v, err := li.Get()
	if err != nil {
		log.Fatalf("Error retrieving STS credentials: %v", err)
	}

	Endpoint         string
	Secure           bool
	Err              error
}

func (rs *replStat) endpoint() string {
	scheme := "http"
	if rs.Secure {
		scheme = "https"
	}
	return scheme + "://" + rs.Endpoint
}

func (rs *replStat) set(arn string, n int64, duration time.Duration, status replication.StatusType, opType replication.Type, endpoint string, secure bool, err error) {
	rs.Endpoint = endpoint

##### Figure 1 - Secure Channel construction

```

    }

    /**
     * Create username/password credentials with specified domain using secure char array
     *
     * @param domain the domain for authentication
     * @param username the username for authentication
     * @param password the password for authentication (secure char array)
     */
    public NtlmPasswordAuthenticator(String domain, String username, char[] password) {

	defer s.Shutdown()

	clientConfig := &NATSArgs{
		Enable: true,
		Address: xnet.Host{
			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject:       "test",
		Secure:        true,
		CertAuthority: path.Join("testdata", "contrib", "certs", "root_ca_cert.pem"),
	}

	con, err := clientConfig.connectNats()
	if err != nil {
		t.Errorf("Could not connect to nats: %v", err)
	}

        // Then
        assertNotNull(nonce1, "First secure nonce should not be null");
        assertNotNull(nonce2, "Second secure nonce should not be null");
        assertFalse(Arrays.equals(nonce1, nonce2), "Secure nonces should be different");
        assertTrue(nonce1.length > 0, "Secure nonce should have proper length");
    }

    @Test
    @DisplayName("Should handle concurrent secure nonce generation safely")