ExceptionHandlingConfigurerTests groovy->java

Issue: gh-4939

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

@@ -1,251 +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
- *
- *      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.springframework.security.config.annotation.web.configurers
-
-import org.springframework.security.core.userdetails.User
-import org.springframework.security.provisioning.InMemoryUserDetailsManager
-
-import javax.servlet.http.HttpServletResponse
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration
-import org.springframework.http.MediaType
-import org.springframework.mock.web.MockFilterChain
-import org.springframework.mock.web.MockHttpServletRequest
-import org.springframework.mock.web.MockHttpServletResponse
-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.annotation.web.configurers.JeeConfigurerTests.InvokeTwiceDoesNotOverride;
-import org.springframework.security.web.AuthenticationEntryPoint;
-import org.springframework.security.web.access.ExceptionTranslationFilter
-import org.springframework.security.web.authentication.DelegatingAuthenticationEntryPoint
-import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;
-import org.springframework.security.web.authentication.www.BasicAuthenticationEntryPoint;
-import org.springframework.web.accept.ContentNegotiationStrategy;
-import org.springframework.web.accept.HeaderContentNegotiationStrategy;
-
-import spock.lang.Unroll
-
-/**
- *
- * @author Rob Winch
- */
-class ExceptionHandlingConfigurerTests extends BaseSpringSpec {
-
-	def "exception ObjectPostProcessor"() {
-		setup: "initialize the AUTH_FILTER as a mock"
-			AnyObjectPostProcessor opp = Mock()
-		when:
-			HttpSecurity http = new HttpSecurity(opp, authenticationBldr, [:])
-			http
-				.exceptionHandling()
-					.and()
-				.build()
-
-		then: "ExceptionTranslationFilter is registered with LifecycleManager"
-			1 * opp.postProcess(_ as ExceptionTranslationFilter) >> {ExceptionTranslationFilter o -> o}
-	}
-
-	@Unroll
-	def "SEC-2199: defaultEntryPoint for httpBasic and formLogin"(String acceptHeader, int httpStatus) {
-		setup:
-			loadConfig(HttpBasicAndFormLoginEntryPointsConfig)
-		when:
-			request.addHeader("Accept", acceptHeader)
-			springSecurityFilterChain.doFilter(request,response,chain)
-		then:
-			response.status == httpStatus
-		where:
-			acceptHeader                                 | httpStatus
-			MediaType.APPLICATION_XHTML_XML_VALUE        | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.IMAGE_GIF_VALUE                    | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.IMAGE_JPEG_VALUE                   | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.IMAGE_PNG_VALUE                    | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.TEXT_HTML_VALUE                    | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.TEXT_PLAIN_VALUE                   | HttpServletResponse.SC_MOVED_TEMPORARILY
-			MediaType.APPLICATION_ATOM_XML_VALUE         | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.APPLICATION_FORM_URLENCODED_VALUE  | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.APPLICATION_JSON_VALUE             | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.APPLICATION_OCTET_STREAM_VALUE     | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.APPLICATION_XML_VALUE              | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.MULTIPART_FORM_DATA_VALUE          | HttpServletResponse.SC_UNAUTHORIZED
-			MediaType.TEXT_XML_VALUE                     | HttpServletResponse.SC_UNAUTHORIZED
-	}
-
-	// gh-4831
-	def "Accept */* is Basic by default"() {
-		setup:
-		loadConfig(DefaultSecurityConfig)
-		when:
-		request.addHeader("Accept", MediaType.ALL_VALUE)
-		springSecurityFilterChain.doFilter(request,response,chain)
-		then:
-		response.status == HttpServletResponse.SC_UNAUTHORIZED
-	}
-
-	def "Chrome is Form by default"() {
-		setup:
-		loadConfig(DefaultSecurityConfig)
-		when:
-		request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8")
-		springSecurityFilterChain.doFilter(request,response,chain)
-		then:
-		response.status == HttpServletResponse.SC_MOVED_TEMPORARILY
-	}
-
-	def "ContentNegotiationStrategy defaults to HeaderContentNegotiationStrategy"() {
-		when:
-			loadConfig(HttpBasicAndFormLoginEntryPointsConfig)
-			DelegatingAuthenticationEntryPoint delegateEntryPoint = findFilter(ExceptionTranslationFilter).authenticationEntryPoint
-		then:
-			def entryPoints = delegateEntryPoint.entryPoints.keySet() as List
-			entryPoints[0].requestMatchers[1].requestMatchers[1].contentNegotiationStrategy.class == HeaderContentNegotiationStrategy
-			entryPoints[1].requestMatchers[1].contentNegotiationStrategy.class == HeaderContentNegotiationStrategy
-	}
-
-	def "401 for text/plain and X-Requested-With:XMLHttpRequest"() {
-		setup:
-			loadConfig(HttpBasicAndFormLoginEntryPointsConfig)
-		when:
-			request.addHeader("Accept", MediaType.TEXT_PLAIN_VALUE)
-			request.addHeader("X-Requested-With", "XMLHttpRequest")
-			springSecurityFilterChain.doFilter(request,response,chain)
-		then:
-			response.status == HttpServletResponse.SC_UNAUTHORIZED
-	}
-
-	@EnableWebSecurity
-	static class DefaultSecurityConfig {
-
-		@Bean
-		public InMemoryUserDetailsManager userDetailsManager() {
-			return new InMemoryUserDetailsManager(User.withDefaultPasswordEncoder()
-				.username("user")
-				.password("password")
-				.roles("USER")
-				.build()
-			);
-		}
-	}
-
-	@EnableWebSecurity
-	static class HttpBasicAndFormLoginEntryPointsConfig extends WebSecurityConfigurerAdapter {
-
-		@Override
-		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
-			auth
-				.inMemoryAuthentication()
-					.withUser("user").password("password").roles("USER")
-		}
-
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.authorizeRequests()
-					.anyRequest().authenticated()
-					.and()
-				.httpBasic()
-					.and()
-				.formLogin()
-		}
-	}
-
-	def "ContentNegotiationStrategy overrides with @Bean"() {
-		setup:
-			OverrideContentNegotiationStrategySharedObjectConfig.CNS = Mock(ContentNegotiationStrategy)
-		when:
-			loadConfig(OverrideContentNegotiationStrategySharedObjectConfig)
-			DelegatingAuthenticationEntryPoint delegateEntryPoint = findFilter(ExceptionTranslationFilter).authenticationEntryPoint
-		then:
-			def entryPoints = delegateEntryPoint.entryPoints.keySet() as List
-			entryPoints[0].requestMatchers[1].contentNegotiationStrategy == OverrideContentNegotiationStrategySharedObjectConfig.CNS
-			entryPoints[1].requestMatchers[1].requestMatchers[1].contentNegotiationStrategy == OverrideContentNegotiationStrategySharedObjectConfig.CNS
-	}
-
-	def "Override ContentNegotiationStrategy with @Bean"() {
-		setup:
-			OverrideContentNegotiationStrategySharedObjectConfig.CNS = Mock(ContentNegotiationStrategy)
-		when:
-			loadConfig(OverrideContentNegotiationStrategySharedObjectConfig)
-		then:
-			context.getBean(OverrideContentNegotiationStrategySharedObjectConfig).http.getSharedObject(ContentNegotiationStrategy) == OverrideContentNegotiationStrategySharedObjectConfig.CNS
-	}
-
-	@EnableWebSecurity
-	static class OverrideContentNegotiationStrategySharedObjectConfig extends WebSecurityConfigurerAdapter {
-		static ContentNegotiationStrategy CNS
-
-		@Bean
-		public static ContentNegotiationStrategy cns() {
-			return CNS
-		}
-	}
-
-	def "delegatingAuthenticationEntryPoint.defaultEntryPoint is LoginUrlAuthenticationEntryPoint when using DefaultHttpConf"() {
-		when:
-			loadConfig(DefaultHttpConf)
-		then:
-			findFilter(ExceptionTranslationFilter).authenticationEntryPoint.defaultEntryPoint.class == LoginUrlAuthenticationEntryPoint
-	}
-
-	@EnableWebSecurity
-	static class DefaultHttpConf extends WebSecurityConfigurerAdapter {
-	}
-
-	def "delegatingAuthenticationEntryPoint.defaultEntryPoint is BasicAuthenticationEntryPoint when httpBasic before formLogin"() {
-		when:
-			loadConfig(BasicAuthenticationEntryPointBeforeFormLoginConf)
-		then:
-			findFilter(ExceptionTranslationFilter).authenticationEntryPoint.defaultEntryPoint.defaultEntryPoint.class == BasicAuthenticationEntryPoint
-	}
-
-	@EnableWebSecurity
-	static class BasicAuthenticationEntryPointBeforeFormLoginConf extends WebSecurityConfigurerAdapter {
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.httpBasic()
-					.and()
-				.formLogin()
-		}
-	}
-
-	def "invoke exceptionHandling twice does not override"() {
-		setup:
-			InvokeTwiceDoesNotOverrideConfig.AEP = Mock(AuthenticationEntryPoint)
-		when:
-			loadConfig(InvokeTwiceDoesNotOverrideConfig)
-		then:
-			findFilter(ExceptionTranslationFilter).authenticationEntryPoint == InvokeTwiceDoesNotOverrideConfig.AEP
-	}
-
-	@EnableWebSecurity
-	static class InvokeTwiceDoesNotOverrideConfig extends WebSecurityConfigurerAdapter {
-		static AuthenticationEntryPoint AEP
-		@Override
-		protected void configure(HttpSecurity http) throws Exception {
-			http
-				.exceptionHandling()
-					.authenticationEntryPoint(AEP)
-					.and()
-				.exceptionHandling()
-		}
-	}
-}

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

@@ -0,0 +1,375 @@
+/*
+ * Copyright 2002-2018 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 org.springframework.security.config.annotation.web.configurers;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.junit.Rule;
+import org.junit.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+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.test.SpringTestRule;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.AuthenticationEntryPoint;
+import org.springframework.security.web.access.ExceptionTranslationFilter;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.web.accept.ContentNegotiationStrategy;
+import org.springframework.web.context.request.NativeWebRequest;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.redirectedUrl;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Tests for {@link ExceptionHandlingConfigurer}
+ *
+ * @author Rob Winch
+ * @author Josh Cummings
+ */
+public class ExceptionHandlingConfigurerTests {
+
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	@Autowired
+	MockMvc mvc;
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnExceptionTranslationFilter() {
+		this.spring.register(ObjectPostProcessorConfig.class, DefaultSecurityConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(ExceptionTranslationFilter.class));
+	}
+
+	@EnableWebSecurity
+	static class ObjectPostProcessorConfig extends WebSecurityConfigurerAdapter {
+		static ObjectPostProcessor<Object> objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.exceptionHandling();
+			// @formatter:on
+		}
+
+		@Bean
+		static ObjectPostProcessor<Object> objectPostProcessor() {
+			return objectPostProcessor;
+		}
+	}
+
+	static class ReflectingObjectPostProcessor implements ObjectPostProcessor<Object> {
+		@Override
+		public <O> O postProcess(O object) {
+			return object;
+		}
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsApplicationXhtmlXmlThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_XHTML_XML))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsImageGifThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.IMAGE_GIF))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsImageJpgThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.IMAGE_JPEG))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsImagePngThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.IMAGE_PNG))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsTextHtmlThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.TEXT_HTML))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsTextPlainThenRespondsWith302() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN))
+				.andExpect(status().isFound());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsApplicationAtomXmlThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_ATOM_XML))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsApplicationFormUrlEncodedThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_FORM_URLENCODED))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsApplicationJsonThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsApplicationOctetStreamThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_OCTET_STREAM))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsMultipartFormDataThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.MULTIPART_FORM_DATA))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// SEC-2199
+	@Test
+	public void getWhenAcceptHeaderIsTextXmlThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.TEXT_XML))
+				.andExpect(status().isUnauthorized());
+	}
+
+	// gh-4831
+	@Test
+	public void getWhenAcceptIsAnyThenRespondsWith401() throws Exception {
+		this.spring.register(DefaultSecurityConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, MediaType.ALL))
+				.andExpect(status().isUnauthorized());
+	}
+
+	@Test
+	public void getWhenAcceptIsChromeThenRespondsWith302() throws Exception {
+		this.spring.register(DefaultSecurityConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT,
+						"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"))
+				.andExpect(status().isFound());
+	}
+
+	@Test
+	public void getWhenAcceptIsTextPlainAndXRequestedWithIsXHRThenRespondsWith401() throws Exception {
+		this.spring.register(HttpBasicAndFormLoginEntryPointsConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header("Accept", MediaType.TEXT_PLAIN)
+				.header("X-Requested-With", "XMLHttpRequest"))
+				.andExpect(status().isUnauthorized());
+	}
+
+	@EnableWebSecurity
+	static class DefaultSecurityConfig {
+
+		@Bean
+		public InMemoryUserDetailsManager userDetailsManager() {
+			return new InMemoryUserDetailsManager(User.withDefaultPasswordEncoder()
+				.username("user")
+				.password("password")
+				.roles("USER")
+				.build()
+			);
+		}
+	}
+
+	@EnableWebSecurity
+	static class HttpBasicAndFormLoginEntryPointsConfig extends WebSecurityConfigurerAdapter {
+
+		@Override
+		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+			auth
+				.inMemoryAuthentication()
+					.withUser("user").password("password").roles("USER");
+		}
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.authorizeRequests()
+					.anyRequest().authenticated()
+					.and()
+				.httpBasic()
+					.and()
+				.formLogin();
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void getWhenCustomContentNegotiationStrategyThenStrategyIsUsed() throws Exception {
+		this.spring.register(OverrideContentNegotiationStrategySharedObjectConfig.class,
+				DefaultSecurityConfig.class).autowire();
+
+		this.mvc.perform(get("/"));
+
+		verify(OverrideContentNegotiationStrategySharedObjectConfig.CNS, atLeastOnce())
+				.resolveMediaTypes(any(NativeWebRequest.class));
+	}
+
+	@EnableWebSecurity
+	static class OverrideContentNegotiationStrategySharedObjectConfig extends WebSecurityConfigurerAdapter {
+		static ContentNegotiationStrategy CNS = mock(ContentNegotiationStrategy.class);
+
+		@Bean
+		public static ContentNegotiationStrategy cns() {
+			return CNS;
+		}
+	}
+
+	@Test
+	public void getWhenUsingDefaultsAndUnauthenticatedThenRedirectsToLogin() throws Exception {
+		this.spring.register(DefaultHttpConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, "bogus/type"))
+				.andExpect(redirectedUrl("http://localhost/login"));
+	}
+
+	@EnableWebSecurity
+	static class DefaultHttpConfig extends WebSecurityConfigurerAdapter {
+	}
+
+	@Test
+	public void getWhenDeclaringHttpBasicBeforeFormLoginThenRespondsWith401() throws Exception {
+		this.spring.register(BasicAuthenticationEntryPointBeforeFormLoginConfig.class).autowire();
+
+		this.mvc.perform(get("/")
+				.header(HttpHeaders.ACCEPT, "bogus/type"))
+				.andExpect(status().isUnauthorized());
+	}
+
+	@EnableWebSecurity
+	static class BasicAuthenticationEntryPointBeforeFormLoginConfig extends WebSecurityConfigurerAdapter {
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.authorizeRequests()
+					.anyRequest().authenticated()
+					.and()
+				.httpBasic()
+					.and()
+				.formLogin();
+			// @formatter:on
+		}
+	}
+
+	@Test
+	public void getWhenInvokingExceptionHandlingTwiceThenOriginalEntryPointUsed() throws Exception {
+		this.spring.register(InvokeTwiceDoesNotOverrideConfig.class).autowire();
+
+		this.mvc.perform(get("/"));
+
+		verify(InvokeTwiceDoesNotOverrideConfig.AEP)
+				.commence(any(HttpServletRequest.class),
+						any(HttpServletResponse.class), any(AuthenticationException.class));
+	}
+
+	@EnableWebSecurity
+	static class InvokeTwiceDoesNotOverrideConfig extends WebSecurityConfigurerAdapter {
+		static AuthenticationEntryPoint AEP = mock(AuthenticationEntryPoint.class);
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:on
+			http
+				.authorizeRequests()
+					.anyRequest().authenticated()
+					.and()
+				.exceptionHandling()
+					.authenticationEntryPoint(AEP)
+					.and()
+				.exceptionHandling();
+			// @formatter:off
+		}
+	}
+}