Move oauth2 samples under boot directory

Issue gh-5397

samples/boot/authcodegrant/src/main/java/sample/OAuth2AuthorizationCodeGrantApplication.java

@@ -0,0 +1,30 @@
+/*
+ * 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 sample;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author Joe Grandja
+ */
+@SpringBootApplication
+public class OAuth2AuthorizationCodeGrantApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(OAuth2AuthorizationCodeGrantApplication.class, args);
+	}
+}

samples/boot/authcodegrant/src/main/java/sample/config/SecurityConfig.java

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+/*
+ * 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 sample.config;
+
+import org.springframework.context.annotation.Bean;
+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.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+
+/**
+ * @author Joe Grandja
+ */
+@EnableWebSecurity
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+		http
+			.authorizeRequests()
+				.anyRequest().authenticated()
+				.and()
+			.formLogin()
+				.and()
+			.oauth2()
+				.client()
+					.authorizationCodeGrant();
+	}
+
+	@Bean
+	public UserDetailsService userDetailsService() {
+		UserDetails userDetails = User.withDefaultPasswordEncoder()
+			.username("user")
+			.password("password")
+			.roles("USER")
+			.build();
+		return new InMemoryUserDetailsManager(userDetails);
+	}
+}

samples/boot/authcodegrant/src/main/java/sample/config/WebClientConfig.java

@@ -0,0 +1,37 @@
+/*
+ * 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 sample.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.oauth2.client.web.reactive.function.client.OAuth2AuthorizedClientExchangeFilterFunction;
+import org.springframework.web.reactive.function.client.WebClient;
+
+/**
+ * @author Rob Winch
+ * @since 5.1
+ */
+@Configuration
+public class WebClientConfig {
+
+	@Bean
+	WebClient webClient() {
+		return WebClient.builder()
+				.filter(new OAuth2AuthorizedClientExchangeFilterFunction())
+				.build();
+	}
+}

samples/boot/authcodegrant/src/main/java/sample/web/GitHubReposController.java

@@ -0,0 +1,60 @@
+/*
+ * 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 sample.web;
+
+import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
+import org.springframework.security.oauth2.client.annotation.OAuth2Client;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import java.util.List;
+
+import static org.springframework.security.oauth2.client.web.reactive.function.client.OAuth2AuthorizedClientExchangeFilterFunction.oauth2AuthorizedClient;
+
+/**
+ * @author Joe Grandja
+ * @author Rob Winch
+ */
+@Controller
+public class GitHubReposController {
+	private final WebClient webClient;
+
+	public GitHubReposController(WebClient webClient) {
+		this.webClient = webClient;
+	}
+
+	@GetMapping("/")
+	public String index() {
+		return "redirect:/repos";
+	}
+
+	@GetMapping("/repos")
+	public String gitHubRepos(Model model, @OAuth2Client("github") OAuth2AuthorizedClient authorizedClient) {
+		String endpointUri = "https://api.github.com/user/repos";
+		List repos = this.webClient
+			.get()
+			.uri(endpointUri)
+			.attributes(oauth2AuthorizedClient(authorizedClient))
+			.retrieve()
+			.bodyToMono(List.class)
+			.block();
+		model.addAttribute("repos", repos);
+
+		return "github-repos";
+	}
+}

samples/boot/authcodegrant/src/main/resources/application.yml

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+server:
+  port: 8080
+
+logging:
+  level:
+    root: INFO
+    org.springframework.web: INFO
+    org.springframework.security: INFO
+#    org.springframework.boot.autoconfigure: DEBUG
+
+spring:
+  thymeleaf:
+    cache: false
+  security:
+    oauth2:
+      client:
+        registration:
+          github:
+            client-id: your-app-client-id
+            client-secret: your-app-client-secret
+            scope: public_repo
+            redirect-uri-template: "{baseUrl}/github-repos"
+            client-name: GitHub Repositories

samples/boot/authcodegrant/src/main/resources/templates/github-repos.html

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+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
+<head>
+	<title>Spring Security - OAuth 2.0 Authorization Code Grant</title>
+	<meta charset="utf-8" />
+</head>
+<body>
+<div style="float: right" th:fragment="logout" sec:authorize="isAuthenticated()">
+	<div style="float:left">
+		<span style="font-weight:bold">User: </span><span sec:authentication="name"></span>
+	</div>
+	<div style="float:none">&nbsp;</div>
+	<div style="float:right">
+		<form action="#" th:action="@{/logout}" method="post">
+			<input type="submit" value="Logout" />
+		</form>
+	</div>
+</div>
+<h1>GitHub Repositories</h1>
+<div>
+	<ul>
+		<li th:each="repo : ${repos}">
+			<span style="font-weight:bold" th:text="${repo.name}"></span>: <span th:text="${repo.url}"></span>
+		</li>
+	</ul>
+</div>
+</body>
+</html>