Add OAuth2AuthorizationCodeGrantWebFilter

Issue: gh-5620

config/src/test/java/org/springframework/security/config/web/server/OAuth2ClientSpecTests.java

@@ -0,0 +1,121 @@
+/*
+ * 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.web.server;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
+import org.springframework.security.config.test.SpringTestRule;
+import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
+import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient;
+import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
+import org.springframework.security.oauth2.client.registration.TestClientRegistrations;
+import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository;
+import org.springframework.security.test.context.annotation.SecurityTestExecutionListeners;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import reactor.core.publisher.Mono;
+
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+/**
+ * @author Rob Winch
+ * @since 5.1
+ */
+@RunWith(SpringRunner.class)
+@SecurityTestExecutionListeners
+public class OAuth2ClientSpecTests {
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	private WebTestClient client;
+
+	@Autowired
+	public void setApplicationContext(ApplicationContext context) {
+		this.client = WebTestClient.bindToApplicationContext(context).build();
+	}
+
+	@Test
+	@WithMockUser
+	public void registeredOAuth2AuthorizedClientWhenAuthenticatedThenRedirects() {
+		this.spring.register(Config.class, AuthorizedClientController.class).autowire();
+		ReactiveClientRegistrationRepository repository = this.spring.getContext()
+				.getBean(ReactiveClientRegistrationRepository.class);
+		ServerOAuth2AuthorizedClientRepository authorizedClientRepository = this.spring.getContext().getBean(ServerOAuth2AuthorizedClientRepository.class);
+		when(repository.findByRegistrationId(any())).thenReturn(Mono.just(TestClientRegistrations.clientRegistration().build()));
+		when(authorizedClientRepository.loadAuthorizedClient(any(), any(), any())).thenReturn(Mono.empty());
+
+		this.client.get().uri("/")
+			.exchange()
+			.expectStatus().is3xxRedirection();
+	}
+
+	@Test
+	public void registeredOAuth2AuthorizedClientWhenAnonymousThenRedirects() {
+		this.spring.register(Config.class, AuthorizedClientController.class).autowire();
+		ReactiveClientRegistrationRepository repository = this.spring.getContext()
+				.getBean(ReactiveClientRegistrationRepository.class);
+		ServerOAuth2AuthorizedClientRepository authorizedClientRepository = this.spring.getContext().getBean(ServerOAuth2AuthorizedClientRepository.class);
+		when(repository.findByRegistrationId(any())).thenReturn(Mono.just(TestClientRegistrations.clientRegistration().build()));
+		when(authorizedClientRepository.loadAuthorizedClient(any(), any(), any())).thenReturn(Mono.empty());
+
+		this.client.get().uri("/")
+				.exchange()
+				.expectStatus().is3xxRedirection();
+	}
+
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	static class Config {
+		@Bean
+		SecurityWebFilterChain springSecurity(ServerHttpSecurity http) {
+			http
+				.oauth2()
+					.client();
+			return http.build();
+		}
+
+		@Bean
+		ReactiveClientRegistrationRepository clientRegistrationRepository() {
+			return mock(ReactiveClientRegistrationRepository.class);
+		}
+
+		@Bean
+		ServerOAuth2AuthorizedClientRepository authorizedClientRepository() {
+			return mock(ServerOAuth2AuthorizedClientRepository.class);
+		}
+	}
+
+	@RestController
+	static class AuthorizedClientController {
+		@GetMapping("/")
+		String home(@RegisteredOAuth2AuthorizedClient("github") OAuth2AuthorizedClient authorizedClient) {
+			return "home";
+		}
+	}
+}