# Використовуйте старі коди статусу помилки автентифікації 403 { #use-old-403-authentication-error-status-codes }

До версії FastAPI `0.122.0`, коли інтегровані засоби безпеки повертали клієнту помилку після невдалої автентифікації, вони використовували HTTP код статусу `403 Forbidden`.

  @CollectionSize.Require(absent = ZERO)
  public void testSetValue() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {
        assertEquals("entry.setValue() should return the old value", v0(), entry.setValue(v3()));
        break;
      }
    }
    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})

  @CollectionSize.Require(absent = ZERO)
  public void testSetValue() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {
        assertEquals("entry.setValue() should return the old value", v0(), entry.setValue(v3()));
        break;
      }
    }
    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})

#
# Usage: rename_and_verify_wheels.sh
# This script is aware of TFCI_ variables, so it doesn't need any arguments.
# Puts new wheel through auditwheel to rename and verify it, deletes the old
# one, checks the filesize, and then ensures the new wheel is installable.
set -exo pipefail

cd "$TFCI_OUTPUT_DIR"

# Move extra wheel files somewhere out of the way. This script
# expects just one wheel file to exist.

    }
  }

  public void testBogusSystemPropertiesUsername() {
    if (isAndroid()) {
      /*
       * The test calls directly into the "ACL-based filesystem" code, which isn't available under
       * old versions of Android. Since Android doesn't use that code path, anyway, there's no need
       * to test it.
       */
      return;
    }

    /*

HTTP/2 server now accepts client priority signals, as defined in RFC 9218,
allowing it to prioritize serving HTTP/2 streams with higher priority. If the
old behavior is preferred, where streams are served in a round-robin manner

# Usar los códigos de estado antiguos 403 para errores de autenticación { #use-old-403-authentication-error-status-codes }

Antes de FastAPI versión `0.122.0`, cuando las utilidades de seguridad integradas devolvían un error al cliente después de una autenticación fallida, usaban el código de estado HTTP `403 Forbidden`.

 *
 * Features:
 * - Per-account rate limiting
 * - Per-IP rate limiting
 * - Global rate limiting
 * - Exponential backoff for repeated failures
 * - Account lockout after threshold
 * - Automatic cleanup of old entries
 */
public class AuthenticationRateLimiter implements AutoCloseable {

    private static final Logger log = LoggerFactory.getLogger(AuthenticationRateLimiter.class);

    // Rate limiting configuration

		m = Count(s, old)
	}
	if m == 0 {
		// Just return a copy.
		return append([]byte(nil), s...)
	}
	if n < 0 || m < n {
		n = m
	}

	// Apply replacements to buffer.
	t := make([]byte, len(s)+n*(len(new)-len(old)))
	w := 0
	start := 0
	if len(old) > 0 {
		for range n {
			j := start + Index(s[start:], old)
			w += copy(t[w:], s[start:j])
			w += copy(t[w:], new)

      limiter.acquire(); // #3
    }

    limiter.setRate(4.0); // double the rate!
    limiter.acquire(); // #4, we repay the debt of the last acquire (imposed by the old rate)
    for (int i = 0; i < 4; i++) {
      limiter.acquire(); // #5
    }
    stopwatch.sleepMillis(4250); // #6, back to cold state (warmup period + repay last acquire)
    for (int i = 0; i < 11; i++) {