EndpointRequest should check that the request is to the mgmt context

Fixes gh-15702

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/security/reactive/EndpointRequest.java

@@ -31,10 +31,12 @@ import reactor.core.publisher.Mono;
 
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
+import org.springframework.boot.actuate.autoconfigure.web.server.ManagementPortType;
 import org.springframework.boot.actuate.endpoint.EndpointId;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.web.PathMappedEndpoints;
 import org.springframework.boot.security.reactive.ApplicationContextServerWebExchangeMatcher;
+import org.springframework.context.ApplicationContext;
 import org.springframework.core.annotation.AnnotatedElementUtils;
 import org.springframework.security.web.server.util.matcher.OrServerWebExchangeMatcher;
 import org.springframework.security.web.server.util.matcher.PathPatternParserServerWebExchangeMatcher;
@@ -239,9 +241,28 @@ public final class EndpointRequest {
 		@Override
 		protected Mono<MatchResult> matches(ServerWebExchange exchange,
 				Supplier<PathMappedEndpoints> context) {
+			if (!isManagementContext(exchange)) {
+				return MatchResult.notMatch();
+			}
 			return this.delegate.matches(exchange);
 		}
 
+		static boolean isManagementContext(ServerWebExchange exchange) {
+			ApplicationContext applicationContext = exchange.getApplicationContext();
+			if (ManagementPortType.get(applicationContext
+					.getEnvironment()) == ManagementPortType.DIFFERENT) {
+				if (applicationContext.getParent() == null) {
+					return false;
+				}
+				String managementContextId = applicationContext.getParent().getId()
+						+ ":management";
+				if (!managementContextId.equals(applicationContext.getId())) {
+					return false;
+				}
+			}
+			return true;
+		}
+
 	}
 
 	/**
@@ -273,6 +294,9 @@ public final class EndpointRequest {
 		@Override
 		protected Mono<MatchResult> matches(ServerWebExchange exchange,
 				Supplier<WebEndpointProperties> context) {
+			if (!EndpointServerWebExchangeMatcher.isManagementContext(exchange)) {
+				return MatchResult.notMatch();
+			}
 			return this.delegate.matches(exchange);
 		}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/security/servlet/EndpointRequest.java

@@ -31,6 +31,7 @@ import javax.servlet.http.HttpServletRequest;
 
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
+import org.springframework.boot.actuate.autoconfigure.web.server.ManagementPortType;
 import org.springframework.boot.actuate.endpoint.EndpointId;
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.web.PathMappedEndpoints;
@@ -43,6 +44,7 @@ import org.springframework.security.web.util.matcher.RequestMatcher;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
 
 /**
  * Factory that can be used to create a {@link RequestMatcher} for actuator endpoint
@@ -133,6 +135,19 @@ public final class EndpointRequest {
 		@Override
 		protected final boolean matches(HttpServletRequest request,
 				Supplier<WebApplicationContext> context) {
+			WebApplicationContext applicationContext = WebApplicationContextUtils
+					.getRequiredWebApplicationContext(request.getServletContext());
+			if (ManagementPortType.get(applicationContext
+					.getEnvironment()) == ManagementPortType.DIFFERENT) {
+				if (applicationContext.getParent() == null) {
+					return false;
+				}
+				String managementContextId = applicationContext.getParent().getId()
+						+ ":management";
+				if (!managementContextId.equals(applicationContext.getId())) {
+					return false;
+				}
+			}
 			return this.delegate.matches(request);
 		}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ManagementPortType.java

@@ -41,7 +41,16 @@ public enum ManagementPortType {
 	 */
 	DIFFERENT;
 
-	static ManagementPortType get(Environment environment) {
+	/**
+	 * Look at the given environment to determine if the {@link ManagementPortType} is
+	 * {@link #DISABLED}, {@link #SAME} or {@link #DIFFERENT}.
+	 * @param environment the Spring environment
+	 * @return {@link #DISABLED} if `management.server.port` is set to a negative value,
+	 * {@link #SAME} if `management.server.port` is not specified or equal to
+	 * `server.port`and {@link #DIFFERENT} otherwise.
+	 * @since 2.1.4
+	 */
+	public static ManagementPortType get(Environment environment) {
 		Integer serverPort = getPortProperty(environment, "server.");
 		Integer managementPort = getPortProperty(environment, "management.server.");
 		if (managementPort != null && managementPort < 0) {

spring-boot-samples/spring-boot-sample-actuator-custom-security/src/test/java/sample/actuator/customsecurity/ManagementPortAndPathSampleActuatorApplicationTests.java

@@ -56,6 +56,14 @@ public class ManagementPortAndPathSampleActuatorApplicationTests {
 		assertThat(entity.getBody()).contains("Hello World");
 	}
 
+	@Test
+	public void actuatorPathOnMainPortShouldNotMatch() {
+		ResponseEntity<String> entity = new TestRestTemplate().getForEntity(
+				"http://localhost:" + this.port + "/actuator/health",
+				String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.UNAUTHORIZED);
+	}
+
 	@Test
 	public void testSecureActuator() {
 		ResponseEntity<String> entity = new TestRestTemplate().getForEntity(

spring-boot-samples/spring-boot-sample-secure-webflux/src/test/java/sample/secure/webflux/ManagementPortSampleSecureWebFluxTests.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2012-2018 the original author or authors.
+ *
+ * Licensed 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 sample.secure.webflux;
+
+import java.util.Base64;
+
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.autoconfigure.security.reactive.EndpointRequest;
+import org.springframework.boot.actuate.autoconfigure.web.server.LocalManagementPort;
+import org.springframework.boot.actuate.web.mappings.MappingsEndpoint;
+import org.springframework.boot.autoconfigure.security.reactive.PathRequest;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+/**
+ * Integration tests for separate management and main service ports.
+ *
+ * @author Madhura Bhave
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, properties = {
+		"management.server.port=0" }, classes = {
+				ManagementPortSampleSecureWebFluxTests.SecurityConfiguration.class,
+				SampleSecureWebFluxApplication.class })
+public class ManagementPortSampleSecureWebFluxTests {
+
+	@LocalServerPort
+	private int port = 9010;
+
+	@LocalManagementPort
+	private int managementPort = 9011;
+
+	@Autowired
+	private WebTestClient webClient;
+
+	@Test
+	public void testHome() {
+		this.webClient.get().uri("http://localhost:" + this.port, String.class)
+				.header("Authorization", "basic " + getBasicAuth()).exchange()
+				.expectStatus().isOk().expectBody(String.class).isEqualTo("Hello user");
+	}
+
+	@Test
+	public void actuatorPathOnMainPortShouldNotMatch() {
+		this.webClient.get()
+				.uri("http://localhost:" + this.port + "/actuator", String.class)
+				.exchange().expectStatus().isUnauthorized();
+		this.webClient.get()
+				.uri("http://localhost:" + this.port + "/actuator/health", String.class)
+				.exchange().expectStatus().isUnauthorized();
+	}
+
+	@Test
+	public void testSecureActuator() {
+		this.webClient.get()
+				.uri("http://localhost:" + this.managementPort + "/actuator/env",
+						String.class)
+				.exchange().expectStatus().isUnauthorized();
+	}
+
+	@Test
+	public void testInsecureActuator() {
+		String responseBody = this.webClient.get()
+				.uri("http://localhost:" + this.managementPort + "/actuator/health",
+						String.class)
+				.exchange().expectStatus().isOk().expectBody(String.class).returnResult()
+				.getResponseBody();
+		Assertions.assertThat(responseBody).contains("\"status\":\"UP\"");
+	}
+
+	private String getBasicAuth() {
+		return new String(Base64.getEncoder().encode(("user:password").getBytes()));
+	}
+
+	@Configuration
+	static class SecurityConfiguration {
+
+		@Bean
+		public SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) {
+			return http.authorizeExchange().matchers(EndpointRequest.to("health", "info"))
+					.permitAll()
+					.matchers(EndpointRequest.toAnyEndpoint()
+							.excluding(MappingsEndpoint.class))
+					.hasRole("ACTUATOR")
+					.matchers(PathRequest.toStaticResources().atCommonLocations())
+					.permitAll().pathMatchers("/login").permitAll().anyExchange()
+					.authenticated().and().httpBasic().and().build();
+		}
+
+	}
+
+}