Migrate SessionManagementConfigurerTests groovy->java

Issue: gh-4939

config/src/test/groovy/org/springframework/security/config/annotation/web/configurers/SessionManagementConfigurerTests.groovy

@@ -1,255 +0,0 @@
-/*
- * Copyright 2002-2013 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
- *
- *      https://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.springframework.security.config.annotation.web.configurers
-
-import org.springframework.security.core.userdetails.PasswordEncodedUser
-
-import javax.servlet.http.HttpServletResponse
-
-import org.springframework.mock.web.MockFilterChain
-import org.springframework.mock.web.MockHttpServletRequest
-import org.springframework.mock.web.MockHttpServletResponse
-import org.springframework.security.authentication.AuthenticationTrustResolver
-import org.springframework.security.config.annotation.AnyObjectPostProcessor
-import org.springframework.security.config.annotation.BaseSpringSpec
-import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder
-import org.springframework.security.config.annotation.web.builders.HttpSecurity
-import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
-import org.springframework.security.config.http.SessionCreationPolicy
-import org.springframework.security.web.access.ExceptionTranslationFilter
-import org.springframework.security.web.authentication.session.AbstractSessionFixationProtectionStrategy
-import org.springframework.security.web.authentication.session.CompositeSessionAuthenticationStrategy
-import org.springframework.security.web.authentication.session.ConcurrentSessionControlAuthenticationStrategy
-import org.springframework.security.web.authentication.session.RegisterSessionAuthenticationStrategy
-import org.springframework.security.web.context.NullSecurityContextRepository
-import org.springframework.security.web.context.SecurityContextPersistenceFilter
-import org.springframework.security.web.context.SecurityContextRepository
-import org.springframework.security.web.savedrequest.RequestCache
-import org.springframework.security.web.session.ConcurrentSessionFilter
-import org.springframework.security.web.session.HttpSessionDestroyedEvent
-import org.springframework.security.web.session.SessionManagementFilter
-
-/**
- *
- * @author Rob Winch
- */
-class SessionManagementConfigurerTests extends BaseSpringSpec {
-
-	def "sessionManagement does not override explicit RequestCache"() {
-		setup:
-			SessionManagementDoesNotOverrideExplicitRequestCacheConfig.REQUEST_CACHE = Mock(RequestCache)
-		when:
-			loadConfig(SessionManagementDoesNotOverrideExplicitRequestCacheConfig)
-		then:
-			findFilter(ExceptionTranslationFilter).requestCache == SessionManagementDoesNotOverrideExplicitRequestCacheConfig.REQUEST_CACHE
-	}
-
-	@EnableWebSecurity
-	static class SessionManagementDoesNotOverrideExplicitRequestCacheConfig extends WebSecurityConfigurerAdapter {
-		static RequestCache REQUEST_CACHE
-
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.requestCache()
-					.requestCache(REQUEST_CACHE)
-					.and()
-				.sessionManagement()
-					.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
-		}
-
-	}
-
-	def "sessionManagement does not override explict SecurityContextRepository"() {
-		setup:
-			SessionManagementDoesNotOverrideExplicitSecurityContextRepositoryConfig.SECURITY_CONTEXT_REPO = Mock(SecurityContextRepository)
-		when:
-			loadConfig(SessionManagementDoesNotOverrideExplicitSecurityContextRepositoryConfig)
-		then:
-			findFilter(SecurityContextPersistenceFilter).repo == SessionManagementDoesNotOverrideExplicitSecurityContextRepositoryConfig.SECURITY_CONTEXT_REPO
-	}
-
-	@EnableWebSecurity
-	static class SessionManagementDoesNotOverrideExplicitSecurityContextRepositoryConfig extends WebSecurityConfigurerAdapter {
-		static SecurityContextRepository SECURITY_CONTEXT_REPO
-
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.securityContext()
-					.securityContextRepository(SECURITY_CONTEXT_REPO)
-					.and()
-				.sessionManagement()
-					.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
-		}
-
-	}
-
-	def "invoke sessionManagement twice does not override"() {
-		when:
-			loadConfig(InvokeTwiceDoesNotOverride)
-		then:
-			findFilter(SecurityContextPersistenceFilter).repo.class == NullSecurityContextRepository
-	}
-
-	@EnableWebSecurity
-	static class InvokeTwiceDoesNotOverride extends WebSecurityConfigurerAdapter {
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.sessionManagement()
-					.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
-					.and()
-				.sessionManagement()
-		}
-
-	}
-
-	def 'SEC-2137: disable session fixation and enable concurrency control'() {
-		setup: "context where session fixation is disabled and concurrency control is enabled"
-			loadConfig(DisableSessionFixationEnableConcurrencyControlConfig)
-			String originalSessionId = request.session.id
-			String credentials = "user:password"
-			request.addHeader("Authorization", "Basic " + credentials.bytes.encodeBase64())
-		when: "authenticate"
-			springSecurityFilterChain.doFilter(request, response, new MockFilterChain())
-		then: "session invalidate is not called"
-			request.session.id == originalSessionId
-	}
-
-	@EnableWebSecurity
-	static class DisableSessionFixationEnableConcurrencyControlConfig extends WebSecurityConfigurerAdapter {
-		@Override
-		public void configure(HttpSecurity http) {
-			http
-				.httpBasic()
-					.and()
-				.sessionManagement()
-					.sessionFixation().none()
-					.maximumSessions(1)
-		}
-		@Override
-		protected void configure(AuthenticationManagerBuilder auth) {
-			auth
-				.inMemoryAuthentication()
-					.withUser(PasswordEncodedUser.user())
-		}
-	}
-
-	def 'session fixation and enable concurrency control'() {
-		setup: "context where session fixation is disabled and concurrency control is enabled"
-			loadConfig(ConcurrencyControlConfig)
-			def authenticatedSession
-		when: "authenticate successfully"
-			request.servletPath = "/login"
-			request.method = "POST"
-			request.setParameter("username", "user");
-			request.setParameter("password","password")
-			springSecurityFilterChain.doFilter(request, response, chain)
-			authenticatedSession = request.session
-		then: "authentication is sucessful"
-			response.status == HttpServletResponse.SC_MOVED_TEMPORARILY
-			response.redirectedUrl == "/"
-		when: "authenticate with the same user"
-			super.setup()
-			request.servletPath = "/login"
-			request.method = "POST"
-			request.setParameter("username", "user");
-			request.setParameter("password","password")
-			springSecurityFilterChain.doFilter(request, response, chain)
-		then:
-			response.status == HttpServletResponse.SC_MOVED_TEMPORARILY
-			response.redirectedUrl == '/login?error'
-		when: 'SEC-2574: When Session Expires and authentication attempted'
-			context.publishEvent(new HttpSessionDestroyedEvent(authenticatedSession))
-			super.setup()
-			request.servletPath = "/login"
-			request.method = "POST"
-			request.setParameter("username", "user");
-			request.setParameter("password","password")
-			springSecurityFilterChain.doFilter(request, response, chain)
-		then: "authentication is successful"
-			response.status == HttpServletResponse.SC_MOVED_TEMPORARILY
-			response.redirectedUrl == "/"
-	}
-
-	@EnableWebSecurity
-	static class ConcurrencyControlConfig extends WebSecurityConfigurerAdapter {
-		@Override
-		public void configure(HttpSecurity http) {
-			http
-				.formLogin()
-					.and()
-				.sessionManagement()
-					.maximumSessions(1)
-						.maxSessionsPreventsLogin(true)
-		}
-		@Override
-		protected void configure(AuthenticationManagerBuilder auth) {
-			auth
-				.inMemoryAuthentication()
-					.withUser(PasswordEncodedUser.user())
-		}
-	}
-
-	def "sessionManagement ObjectPostProcessor"() {
-		setup:
-			AnyObjectPostProcessor opp = Mock()
-			HttpSecurity http = new HttpSecurity(opp, authenticationBldr, [:])
-		when:
-			http
-				.sessionManagement()
-					.maximumSessions(1)
-						.and()
-					.and()
-				.build()
-
-		then: "SessionManagementFilter is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as SessionManagementFilter) >> {SessionManagementFilter o -> o}
-		and: "ConcurrentSessionFilter is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as ConcurrentSessionFilter) >> {ConcurrentSessionFilter o -> o}
-		and: "ConcurrentSessionControlAuthenticationStrategy is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as ConcurrentSessionControlAuthenticationStrategy) >> {ConcurrentSessionControlAuthenticationStrategy o -> o}
-		and: "CompositeSessionAuthenticationStrategy is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as CompositeSessionAuthenticationStrategy) >> {CompositeSessionAuthenticationStrategy o -> o}
-		and: "RegisterSessionAuthenticationStrategy is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as RegisterSessionAuthenticationStrategy) >> {RegisterSessionAuthenticationStrategy o -> o}
-		and: "SessionFixationProtectionStrategy is registered with ObjectPostProcessor"
-			1 * opp.postProcess(_ as AbstractSessionFixationProtectionStrategy) >> {AbstractSessionFixationProtectionStrategy o -> o}
-	}
-
-	def "use sharedObject trustResolver"() {
-		setup:
-			SharedTrustResolverConfig.TR = Mock(AuthenticationTrustResolver)
-		when:
-			loadConfig(SharedTrustResolverConfig)
-		then:
-			findFilter(SecurityContextPersistenceFilter).repo.trustResolver == SharedTrustResolverConfig.TR
-			findFilter(SessionManagementFilter).trustResolver == SharedTrustResolverConfig.TR
-	}
-
-	@EnableWebSecurity
-	static class SharedTrustResolverConfig extends WebSecurityConfigurerAdapter {
-		static AuthenticationTrustResolver TR
-
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.setSharedObject(AuthenticationTrustResolver, TR)
-		}
-	}
-}

config/src/test/java/org/springframework/security/config/annotation/web/configurers/SessionManagementConfigurerTests.java

@@ -0,0 +1,370 @@
+/*
+ * Copyright 2002-2019 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
+ *
+ *      https://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.springframework.security.config.annotation.web.configurers;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.mock.web.MockHttpSession;
+import org.springframework.security.authentication.AuthenticationTrustResolver;
+import org.springframework.security.config.annotation.ObjectPostProcessor;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.config.test.SpringTestRule;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.userdetails.PasswordEncodedUser;
+import org.springframework.security.web.authentication.session.ChangeSessionIdAuthenticationStrategy;
+import org.springframework.security.web.authentication.session.CompositeSessionAuthenticationStrategy;
+import org.springframework.security.web.authentication.session.ConcurrentSessionControlAuthenticationStrategy;
+import org.springframework.security.web.authentication.session.RegisterSessionAuthenticationStrategy;
+import org.springframework.security.web.context.HttpRequestResponseHolder;
+import org.springframework.security.web.context.SecurityContextRepository;
+import org.springframework.security.web.savedrequest.RequestCache;
+import org.springframework.security.web.session.ConcurrentSessionFilter;
+import org.springframework.security.web.session.HttpSessionDestroyedEvent;
+import org.springframework.security.web.session.SessionManagementFilter;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.httpBasic;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.redirectedUrl;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Tests for {@link SessionManagementConfigurer}
+ *
+ * @author Rob Winch
+ * @author Eleftheria Stein
+ */
+public class SessionManagementConfigurerTests {
+
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	@Autowired
+	MockMvc mvc;
+
+	@Test
+	public void sessionManagementWhenConfiguredThenDoesNotOverrideRequestCache() throws Exception {
+		SessionManagementRequestCacheConfig.REQUEST_CACHE = mock(RequestCache.class);
+		this.spring.register(SessionManagementRequestCacheConfig.class).autowire();
+
+		this.mvc.perform(get("/"));
+
+		verify(SessionManagementRequestCacheConfig.REQUEST_CACHE)
+				.getMatchingRequest(any(HttpServletRequest.class), any(HttpServletResponse.class));
+	}
+
+	@EnableWebSecurity
+	static class SessionManagementRequestCacheConfig extends WebSecurityConfigurerAdapter {
+		static RequestCache REQUEST_CACHE;
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.requestCache()
+					.requestCache(REQUEST_CACHE)
+					.and()
+				.sessionManagement()
+					.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void sessionManagementWhenConfiguredThenDoesNotOverrideSecurityContextRepository() throws Exception {
+		SessionManagementSecurityContextRepositoryConfig.SECURITY_CONTEXT_REPO = mock(SecurityContextRepository.class);
+		when(SessionManagementSecurityContextRepositoryConfig.SECURITY_CONTEXT_REPO.loadContext(any(HttpRequestResponseHolder.class)))
+				.thenReturn(mock(SecurityContext.class));
+		this.spring.register(SessionManagementSecurityContextRepositoryConfig.class).autowire();
+
+		this.mvc.perform(get("/"));
+
+		verify(SessionManagementSecurityContextRepositoryConfig.SECURITY_CONTEXT_REPO).saveContext(
+				any(SecurityContext.class),
+				any(HttpServletRequest.class),
+				any(HttpServletResponse.class));
+	}
+
+	@EnableWebSecurity
+	static class SessionManagementSecurityContextRepositoryConfig extends WebSecurityConfigurerAdapter {
+		static SecurityContextRepository SECURITY_CONTEXT_REPO;
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.securityContext()
+					.securityContextRepository(SECURITY_CONTEXT_REPO)
+					.and()
+				.sessionManagement()
+					.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void sessionManagementWhenInvokedTwiceThenUsesOriginalSessionCreationPolicy() throws Exception {
+		this.spring.register(InvokeTwiceDoesNotOverride.class).autowire();
+
+		MvcResult mvcResult = this.mvc.perform(get("/"))
+				.andReturn();
+		HttpSession session = mvcResult.getRequest().getSession(false);
+
+		assertThat(session).isNull();
+	}
+
+	@EnableWebSecurity
+	static class InvokeTwiceDoesNotOverride extends WebSecurityConfigurerAdapter {
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.sessionManagement()
+					.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
+					.and()
+				.sessionManagement();
+			// @formatter:on
+		}
+	}
+
+	// SEC-2137
+	@Test
+	public void getWhenSessionFixationDisabledAndConcurrencyControlEnabledThenSessionIsNotInvalidated()
+			throws Exception {
+		this.spring.register(DisableSessionFixationEnableConcurrencyControlConfig.class).autowire();
+		MockHttpSession session = new MockHttpSession();
+		String sessionId = session.getId();
+
+		MvcResult mvcResult = this.mvc.perform(get("/")
+				.with(httpBasic("user", "password"))
+				.session(session))
+				.andExpect(status().isNotFound())
+				.andReturn();
+
+		assertThat(mvcResult.getRequest().getSession().getId()).isEqualTo(sessionId);
+	}
+
+	@EnableWebSecurity
+	static class DisableSessionFixationEnableConcurrencyControlConfig extends WebSecurityConfigurerAdapter {
+		@Override
+		public void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.httpBasic()
+					.and()
+				.sessionManagement()
+					.sessionFixation().none()
+					.maximumSessions(1);
+			// @formatter:on
+		}
+
+		@Override
+		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+			// @formatter:off
+			auth
+				.inMemoryAuthentication()
+					.withUser(PasswordEncodedUser.user());
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void loginWhenUserLoggedInAndMaxSessionsIsOneThenLoginPrevented() throws Exception {
+		this.spring.register(ConcurrencyControlConfig.class).autowire();
+
+		this.mvc.perform(post("/login")
+				.with(csrf())
+				.param("username", "user")
+				.param("password", "password"));
+
+		this.mvc.perform(post("/login")
+				.with(csrf())
+				.param("username", "user")
+				.param("password", "password"))
+				.andExpect(status().isFound())
+				.andExpect(redirectedUrl("/login?error"));
+	}
+
+	@Test
+	public void loginWhenUserSessionExpiredAndMaxSessionsIsOneThenLoggedIn() throws Exception {
+		this.spring.register(ConcurrencyControlConfig.class).autowire();
+
+		MvcResult mvcResult = this.mvc.perform(post("/login")
+				.with(csrf())
+				.param("username", "user")
+				.param("password", "password"))
+				.andReturn();
+		HttpSession authenticatedSession = mvcResult.getRequest().getSession();
+		this.spring.getContext().publishEvent(new HttpSessionDestroyedEvent(authenticatedSession));
+
+		this.mvc.perform(post("/login")
+				.with(csrf())
+				.param("username", "user")
+				.param("password", "password"))
+				.andExpect(status().isFound())
+				.andExpect(redirectedUrl("/"));
+	}
+
+	@EnableWebSecurity
+	static class ConcurrencyControlConfig extends WebSecurityConfigurerAdapter {
+		@Override
+		public void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.formLogin()
+					.and()
+				.sessionManagement()
+					.maximumSessions(1)
+					.maxSessionsPreventsLogin(true);
+			// @formatter:on
+		}
+
+		@Override
+		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+			// @formatter:off
+			auth
+				.inMemoryAuthentication()
+					.withUser(PasswordEncodedUser.user());
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnSessionManagementFilter() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(SessionManagementFilter.class));
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnConcurrentSessionFilter() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(ConcurrentSessionFilter.class));
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnConcurrentSessionControlAuthenticationStrategy() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(ConcurrentSessionControlAuthenticationStrategy.class));
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnCompositeSessionAuthenticationStrategy() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(CompositeSessionAuthenticationStrategy.class));
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnRegisterSessionAuthenticationStrategy() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(RegisterSessionAuthenticationStrategy.class));
+	}
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnChangeSessionIdAuthenticationStrategy() {
+		ObjectPostProcessorConfig.objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(ChangeSessionIdAuthenticationStrategy.class));
+	}
+
+	@EnableWebSecurity
+	static class ObjectPostProcessorConfig extends WebSecurityConfigurerAdapter {
+		static ObjectPostProcessor<Object> objectPostProcessor;
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.sessionManagement()
+					.maximumSessions(1);
+			// @formatter:on
+		}
+
+		@Bean
+		static ObjectPostProcessor<Object> objectPostProcessor() {
+			return objectPostProcessor;
+		}
+	}
+
+	static class ReflectingObjectPostProcessor implements ObjectPostProcessor<Object> {
+		@Override
+		public <O> O postProcess(O object) {
+			return object;
+		}
+	}
+
+	@Test
+	public void getWhenAnonymousRequestAndTrustResolverSharedObjectReturnsAnonymousFalseThenSessionIsSaved()
+			throws Exception {
+		SharedTrustResolverConfig.TR = mock(AuthenticationTrustResolver.class);
+		when(SharedTrustResolverConfig.TR.isAnonymous(any())).thenReturn(false);
+		this.spring.register(SharedTrustResolverConfig.class).autowire();
+
+		MvcResult mvcResult = this.mvc.perform(get("/"))
+				.andReturn();
+
+		assertThat(mvcResult.getRequest().getSession(false)).isNotNull();
+	}
+
+	@EnableWebSecurity
+	static class SharedTrustResolverConfig extends WebSecurityConfigurerAdapter {
+		static AuthenticationTrustResolver TR;
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.setSharedObject(AuthenticationTrustResolver.class, TR);
+			// @formatter:on
+		}
+	}
+}