*
 * 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

# 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`.

      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++) {

      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++) {

		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)

    @Override
    public void hook(final FwAssistantDirector assistantDirector) {
        shutdownCommonsHttpClient();
    }

    private void shutdownCommonsHttpClient() { // from Tomcat7ConfigServlet (old class)
        try {
            final Class<?> clazz = Class.forName("org.apache.commons.httpclient.MultiThreadedHttpConnectionManager");
            final Method method = clazz.getMethod("shutdownAll", (Class<?>[]) null);

      synchronized (future) {
        Listener old = future.listenersField;
        if (old != update) {
          future.listenersField = update;
        }
        return old;
      }
    }

    @Override
    @Nullable Waiter gasWaiters(AbstractFutureState<?> future, Waiter update) {
      synchronized (future) {
        Waiter old = future.waitersField;
        if (old != update) {

	}
}

func Test386EndToEnd(t *testing.T) {
	testEndToEnd(t, "386", "386")
}

func TestARMEndToEnd(t *testing.T) {
	defer func(old int) { buildcfg.GOARM.Version = old }(buildcfg.GOARM.Version)
	for _, goarm := range []int{5, 6, 7} {
		t.Logf("GOARM=%d", goarm)
		buildcfg.GOARM.Version = goarm
		testEndToEnd(t, "arm", "arm")
		if goarm == 6 {

  - type: input
    id: gradle-version
    attributes:
      label: Gradle version
      description: What version of Gradle are you running?
    validations:
      required: true
  - type: input
    id: gradle-old-version
    attributes:
      label: Gradle version that used to work
      description: What version of Gradle gives proper result for your case?
    validations:
      required: true
  - type: input

# Использование старых статус-кодов ошибок аутентификации 403 { #use-old-403-authentication-error-status-codes }

До версии FastAPI `0.122.0`, когда встроенные утилиты безопасности возвращали ошибку клиенту после неудачной аутентификации, они использовали HTTP статус-код `403 Forbidden`.