Migrate X509ConfigurerTests groovy->java

Issue: gh-4939

Author: eleftherias

config/src/test/groovy/org/springframework/security/config/annotation/web/configurers/X509ConfigurerTests.groovy

@@ -0,0 +1,133 @@
+/*
+ * 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.core.io.ClassPathResource;
+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.web.authentication.preauth.x509.X509AuthenticationFilter;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.io.InputStream;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.x509;
+import static org.springframework.security.test.web.servlet.response.SecurityMockMvcResultMatchers.authenticated;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+
+/**
+ * Tests for {@link X509Configurer}
+ *
+ * @author Rob Winch
+ * @author Eleftheria Stein
+ */
+public class X509ConfigurerTests {
+
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	@Autowired
+	MockMvc mvc;
+
+	@Test
+	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnX509AuthenticationFilter() {
+		this.spring.register(ObjectPostProcessorConfig.class).autowire();
+
+		verify(ObjectPostProcessorConfig.objectPostProcessor)
+				.postProcess(any(X509AuthenticationFilter.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
+				.x509();
+			// @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 x509WhenInvokedTwiceThenUsesOriginalSubjectPrincipalRegex() throws Exception {
+		this.spring.register(DuplicateDoesNotOverrideConfig.class).autowire();
+		X509Certificate certificate = loadCert("rodatexampledotcom.cer");
+
+		this.mvc.perform(get("/")
+				.with(x509(certificate)))
+				.andExpect(authenticated().withUsername("rod"));
+	}
+
+	@EnableWebSecurity
+	static class DuplicateDoesNotOverrideConfig extends WebSecurityConfigurerAdapter {
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.x509()
+					.subjectPrincipalRegex("CN=(.*?)@example.com(?:,|$)")
+					.and()
+				.x509();
+			// @formatter:on
+		}
+
+		@Override
+		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+			// @formatter:off
+			auth
+				.inMemoryAuthentication()
+					.withUser("rod").password("password").roles("USER", "ADMIN");
+			// @formatter:on
+		}
+	}
+
+	private <T extends Certificate> T loadCert(String location) {
+		try (InputStream is = new ClassPathResource(location).getInputStream()) {
+			CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
+			return (T) certFactory.generateCertificate(is);
+		} catch (Exception e) {
+			throw new IllegalArgumentException(e);
+		}
+	}
+}