gnodet commented on code in PR #26500:
URL: https://github.com/apache/camel/pull/26500#discussion_r4061086158
##########
docs/user-manual/modules/ROOT/pages/camel-4x-upgrade-guide-4_23.adoc:
##########
@@ -2240,3 +2240,17 @@ The `maxRetryTimeout` endpoint and component option is
deprecated in both `camel
it had no effect. The option is kept for backward compatibility of existing
endpoint URIs but is marked
deprecated and will be removed in a future release. Routes that set
`maxRetryTimeout` can simply drop it;
behaviour is unchanged.
+
+=== camel-http - HttpComponent now implements SecretRotationAware
Review Comment:
Fixed in d553cc7f36e38bd415dbdb8f165c7123bf0147f3. Removed the upgrade guide
section.
##########
components/camel-http/src/main/java/org/apache/camel/component/http/HttpComponent.java:
##########
@@ -586,6 +588,30 @@ protected Endpoint createEndpoint(String uri, String
remaining, Map<String, Obje
return endpoint;
}
+ /**
+ * Notifies this component that a secret has been rotated.
+ * <p>
+ * The component options ({@code authUsername}, {@code authPassword},
{@code proxyAuthUsername},
+ * {@code proxyAuthPassword}, etc.) have already been re-applied with the
newly resolved secret values before this
+ * callback fires. No further action is taken here.
+ *
+ * @implNote This method is intentionally a no-op beyond logging. The
route restart that follows this callback —
+ * triggered by {@code
DefaultContextReloadStrategy.reloadRoutes()} — stops the active routes, shuts
down
+ * their endpoints, and recreates them from the updated
component fields, so subsequent requests will use
+ * the new credentials. Re-authenticating inside this method
would be wrong: the callback fires
+ * <em>before</em> {@code reloadRoutes()}, so any connection
re-established here would be closed again
+ * immediately by the route shutdown. The shared
+ * {@link
org.apache.hc.client5.http.io.HttpClientConnectionManager} is preserved across
the restart
+ * because {@code HttpEndpoint.createHttpClient()} marks it as
shared when it belongs to the component,
+ * letting the pool drain naturally rather than being closed
abruptly.
+ */
+ @Override
+ public void onSecretRotation(Object source) throws Exception {
Review Comment:
Fixed in d553cc7f36e38bd415dbdb8f165c7123bf0147f3. Removed the
SecretRotationAware implementation and the test entirely. Added a short note in
http-component.adoc instead.
##########
components/camel-http/src/test/java/org/apache/camel/component/http/HttpComponentSecretRotationAwareTest.java:
##########
@@ -0,0 +1,187 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.component.http;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.http.handler.AuthenticationValidationHandler;
+import org.apache.camel.component.http.interceptor.RequestBasicAuth;
+import org.apache.camel.component.http.interceptor.ResponseBasicUnauthorized;
+import org.apache.camel.http.common.HttpConfiguration;
+import org.apache.camel.spi.SecretRotationAware;
+import org.apache.hc.core5.http.HttpRequestInterceptor;
+import org.apache.hc.core5.http.HttpResponseInterceptor;
+import org.apache.hc.core5.http.HttpStatus;
+import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
+import org.apache.hc.core5.http.impl.bootstrap.ServerBootstrap;
+import org.apache.hc.core5.http.protocol.DefaultHttpProcessor;
+import org.apache.hc.core5.http.protocol.HttpProcessor;
+import org.apache.hc.core5.http.protocol.RequestValidateHost;
+import org.apache.hc.core5.http.protocol.ResponseContent;
+import org.junit.jupiter.api.Test;
+
+import static org.apache.camel.component.http.HttpMethods.GET;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+/**
+ * Tests that {@link HttpComponent} implements {@link SecretRotationAware} and
that calling
+ * {@link HttpComponent#onSecretRotation(Object)} does not throw and that
fresh credentials are picked up when routes
+ * are restarted after the rotation.
+ */
+class HttpComponentSecretRotationAwareTest extends BaseHttpTest {
+
+ private HttpServer localServer;
+
+ /** Server-side expected credentials: mutable so we can "rotate" them
during the test. */
+ private final AtomicReference<String[]> expectedCreds = new
AtomicReference<>(new String[] { "alice", "secret1" });
+
+ @Override
+ public void setupResources() throws Exception {
+ localServer = ServerBootstrap.bootstrap()
+ .setCanonicalHostName("localhost")
+ .setHttpProcessor(getBasicHttpProcessor())
+ .setConnectionReuseStrategy(getConnectionReuseStrategy())
+ .setResponseFactory(getHttpResponseFactory())
+ .setSslContext(getSSLContext())
+ .register("/api", (request, response, ctx) -> {
+ String[] creds = expectedCreds.get();
+ new AuthenticationValidationHandler(
+ GET.name(), null, null, getExpectedContent(),
+ creds[0], creds[1])
+ .handle(request, response, ctx);
+ })
+ .create();
+ localServer.start();
+ }
+
+ @Override
+ public void cleanupResources() throws Exception {
+ if (localServer != null) {
+ localServer.stop();
+ }
+ }
+
+ @Override
+ protected HttpProcessor getBasicHttpProcessor() {
+ List<HttpRequestInterceptor> requestInterceptors = new ArrayList<>();
+ requestInterceptors.add(new RequestValidateHost());
+ requestInterceptors.add(new RequestBasicAuth());
+ List<HttpResponseInterceptor> responseInterceptors = new ArrayList<>();
+ responseInterceptors.add(new ResponseContent());
+ responseInterceptors.add(new ResponseBasicUnauthorized());
+ return new DefaultHttpProcessor(requestInterceptors,
responseInterceptors);
+ }
+
+ @Test
+ void httpComponentImplementsSecretRotationAware() {
+ HttpComponent component = context.getComponent("http",
HttpComponent.class);
+ assertNotNull(component);
+ assertInstanceOf(SecretRotationAware.class, component,
+ "HttpComponent must implement SecretRotationAware");
+ }
+
+ @Test
+ void onSecretRotationDoesNotThrow() throws Exception {
+ HttpComponent component = context.getComponent("http",
HttpComponent.class);
+ // Must not throw regardless of current state
+ component.onSecretRotation("unit-test-source");
+ component.onSecretRotation(null);
+ }
+
+ /**
+ * Simulates the full rotation lifecycle: configure component with old
credentials → send request (succeeds) →
+ * rotate secret (update component + server expectation) → call
onSecretRotation() → restart routes → send request
+ * again (must succeed with new credentials because endpoints were
recreated).
+ */
+ @Test
+ void credentialsArePickedUpAfterRotationAndRouteRestart() throws Exception
{
+ HttpComponent component = context.getComponent("http",
HttpComponent.class);
+
+ // Configure the component with initial credentials via
HttpConfiguration
+ HttpConfiguration config = new HttpConfiguration();
+ config.setAuthMethod("Basic");
+ config.setAuthUsername("alice");
+ config.setAuthPassword("secret1");
+ component.setHttpConfiguration(config);
+ expectedCreds.set(new String[] { "alice", "secret1" });
+
+ String serverUrl = "http://localhost:"; + localServer.getLocalPort() +
"/api";
+
+ // Add a route that hits the authenticated endpoint
+ context.addRoutes(new RouteBuilder() {
+ @Override
+ public void configure() {
+ from("direct:secured").routeId("secured-route")
+ .to(serverUrl);
+ }
+ });
+
+ // Phase 1: initial credentials work
+ Exchange ex1 = template.request("direct:secured", e -> {
+ });
+ assertNotNull(ex1);
+ assertNull(ex1.getException(), "Initial request should succeed");
+ assertEquals(HttpStatus.SC_OK,
ex1.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+
+ // Phase 2: rotate — update both the server expectation and the
component configuration.
+ // In the real CAMEL-24636 flow, reloadComponentProperties()
re-applies the placeholders first,
+ // then onSecretRotation() is called, then reloadAllRoutes() clears
the endpoint registry
+ // and restarts all route definitions with fresh endpoints.
+ expectedCreds.set(new String[] { "alice", "secret2" });
+
+ // Negative assertion: the server now requires secret2, so the
existing route (still using secret1)
+ // must be rejected. This guards against a false-positive in Phase 3 —
if this assertion fails, the
+ // server never actually enforced the credential change and Phase 3
would pass vacuously.
+ Exchange exRejected = template.request("direct:secured", e -> {
+ });
+ assertNotNull(exRejected);
+ assertEquals(HttpStatus.SC_UNAUTHORIZED,
+ exRejected.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE),
+ "Old credentials must be rejected after server-side secret
rotation");
+
+ config.setAuthPassword("secret2");
+ component.onSecretRotation("vault-rotation-test");
Review Comment:
Fixed in d553cc7f36e38bd415dbdb8f165c7123bf0147f3. Test and implementation
both removed.
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