Add support for additional paths for HomepageForwardingFilterConfig (#2136)

* Add support for excluding additional paths for HomepageForwardingFilterConfig

* chore: checkstyle + imports

Co-authored-by: Stephan Köninger <[email protected]>

Author: genuss

spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiAutoConfiguration.java

@@ -160,7 +160,8 @@ public HomepageForwardingFilterConfig homepageForwardingFilterConfig() throws IO
 						.collect(Collectors.toList());
 				routesIncludes.add("");
 
-				List<String> routesExcludes = DEFAULT_UI_ROUTE_EXCLUDES.stream()
+				List<String> routesExcludes = Stream
+						.concat(DEFAULT_UI_ROUTE_EXCLUDES.stream(), this.adminUi.getAdditionalRouteExcludes().stream())
 						.map((path) -> webfluxBasePathSet ? webFluxBasePath + path : this.adminServer.path(path))
 						.collect(Collectors.toList());
 
@@ -217,8 +218,9 @@ public HomepageForwardingFilterConfig homepageForwardingFilterConfig() throws IO
 						.scan(this.adminUi.getExtensionResourceLocations());
 				List<String> routesIncludes = Stream.concat(DEFAULT_UI_ROUTES.stream(), extensionRoutes.stream())
 						.map(this.adminServer::path).collect(Collectors.toList());
-				List<String> routesExcludes = DEFAULT_UI_ROUTE_EXCLUDES.stream().map(this.adminServer::path)
-						.collect(Collectors.toList());
+				List<String> routesExcludes = Stream
+						.concat(DEFAULT_UI_ROUTE_EXCLUDES.stream(), this.adminUi.getAdditionalRouteExcludes().stream())
+						.map(this.adminServer::path).collect(Collectors.toList());
 
 				return new HomepageForwardingFilterConfig(homepage, routesIncludes, routesExcludes);
 			}

spring-boot-admin-server-ui/src/main/java/de/codecentric/boot/admin/server/ui/config/AdminServerUiProperties.java

@@ -120,6 +120,12 @@ public class AdminServerUiProperties {
 
 	private PollTimer pollTimer = new PollTimer();
 
+	/**
+	 * Additional routes to exclude from home page redirecting filter. Requests to these
+	 * routes will not redirected to home page
+	 */
+	private List<String> additionalRouteExcludes = new ArrayList<>();
+
 	@lombok.Data
 	public static class PollTimer {
 

spring-boot-admin-server-ui/src/test/java/de/codecentric/boot/admin/server/ui/config/ReactiveAdminServerUiAutoConfigurationAdminContextPathTest.java

@@ -29,7 +29,8 @@ public class ReactiveAdminServerUiAutoConfigurationAdminContextPathTest
 	protected ReactiveWebApplicationContextRunner getContextRunner() {
 		return new ReactiveWebApplicationContextRunner()
 				.withPropertyValues("--spring.boot.admin.ui.available-languages=de",
-						"--spring.boot.admin.contextPath=test")
+						"--spring.boot.admin.contextPath=test",
+						"--spring.boot.admin.ui.additional-route-excludes[0]=/instances/*/actuator/some-extension/**")
 				.withBean(AdminServerProperties.class).withBean(WebFluxProperties.class)
 				.withConfiguration(AutoConfigurations.of(AdminServerUiAutoConfiguration.class));
 	}

spring-boot-admin-server-ui/src/test/java/de/codecentric/boot/admin/server/ui/config/ReactiveAdminServerUiAutoConfigurationBothPathsTest.java

@@ -28,7 +28,8 @@ public class ReactiveAdminServerUiAutoConfigurationBothPathsTest extends Reactiv
 	protected ReactiveWebApplicationContextRunner getContextRunner() {
 		return new ReactiveWebApplicationContextRunner()
 				.withPropertyValues("--spring.boot.admin.ui.available-languages=de",
-						"--spring.boot.admin.contextPath=different", "--spring.webflux.base-path=test")
+						"--spring.boot.admin.contextPath=different", "--spring.webflux.base-path=test",
+						"--spring.boot.admin.ui.additional-route-excludes[0]=/instances/*/actuator/some-extension/**")
 				.withBean(AdminServerProperties.class).withBean(WebFluxProperties.class)
 				.withConfiguration(AutoConfigurations.of(AdminServerUiAutoConfiguration.class));
 	}

spring-boot-admin-server-ui/src/test/java/de/codecentric/boot/admin/server/ui/config/ReactiveAdminServerUiAutoConfigurationTest.java

@@ -47,7 +47,7 @@ public abstract class ReactiveAdminServerUiAutoConfigurationTest {
 
 	@ParameterizedTest
 	@CsvSource({ "/test/extensions/myextension", "/test/instances/1/actuator/heapdump",
-			"/test/instances/1/actuator/logfile" })
+			"/test/instances/1/actuator/logfile", "/test/instances/1/actuator/some-extension/file.html" })
 	public void contextPathIsRespectedInExcludedRoutes(String routeExcludes) {
 		MockServerHttpRequest serverHttpRequest = MockServerHttpRequest.get(routeExcludes)
 				.header(HttpHeaders.ACCEPT, MediaType.TEXT_HTML_VALUE).build();

spring-boot-admin-server-ui/src/test/java/de/codecentric/boot/admin/server/ui/config/ReactiveAdminServerUiAutoConfigurationWebfluxBasePathTest.java

@@ -28,7 +28,8 @@ public class ReactiveAdminServerUiAutoConfigurationWebfluxBasePathTest
 	@Override
 	protected ReactiveWebApplicationContextRunner getContextRunner() {
 		return new ReactiveWebApplicationContextRunner()
-				.withPropertyValues("--spring.boot.admin.ui.available-languages=de", "--spring.webflux.base-path=test")
+				.withPropertyValues("--spring.boot.admin.ui.available-languages=de", "--spring.webflux.base-path=test",
+						"--spring.boot.admin.ui.additional-route-excludes[0]=/instances/*/actuator/some-extension/**")
 				.withBean(AdminServerProperties.class).withBean(WebFluxProperties.class)
 				.withConfiguration(AutoConfigurations.of(AdminServerUiAutoConfiguration.class));
 	}

spring-boot-admin-server-ui/src/test/java/de/codecentric/boot/admin/server/ui/config/ServletAdminServerUiAutoConfigurationTest.java

@@ -45,13 +45,14 @@
 public class ServletAdminServerUiAutoConfigurationTest implements WithAssertions {
 
 	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
-			.withPropertyValues("--spring.boot.admin.ui.available-languages=de", "--spring.boot.admin.contextPath=test")
+			.withPropertyValues("--spring.boot.admin.ui.available-languages=de", "--spring.boot.admin.contextPath=test",
+					"--spring.boot.admin.ui.additional-route-excludes[0]=/instances/*/actuator/some-extension/**")
 			.withBean(AdminServerProperties.class)
 			.withConfiguration(AutoConfigurations.of(AdminServerUiAutoConfiguration.class));
 
 	@ParameterizedTest
 	@CsvSource({ "/test/extensions/myextension", "/test/instances/1/actuator/heapdump",
-			"/test/instances/1/actuator/logfile" })
+			"/test/instances/1/actuator/logfile", "/test/instances/1/actuator/some-extension/file.html" })
 	public void contextPathIsRespectedInExcludedRoutes(String routeExcludes) {
 		MockHttpServletRequest httpServletRequest = spy(new MockHttpServletRequest("GET", routeExcludes));
 		httpServletRequest.addHeader(HttpHeaders.ACCEPT, MediaType.TEXT_HTML_VALUE);