SocialApplication.java

/*
 * Copyright 2012-2015 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 com.example;

import java.util.Collections;
import java.util.Map;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.http.HttpStatus;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.context.annotation.Bean;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.oauth2.core.user.OAuth2User;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.HttpStatusEntryPoint;
import org.springframework.security.web.csrf.CookieCsrfTokenRepository;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
public class SocialApplication {

	@RequestMapping("/user")
	public Map<String, Object> user(@AuthenticationPrincipal OAuth2User principal) {
		return Collections.singletonMap("name", principal.getAttribute("name"));
	}

	@Bean
	public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
		// @formatter:off
		http
			.authorizeRequests(a -> a
				.antMatchers("/", "/error", "/webjars/**").permitAll()
				.anyRequest().authenticated()
			)
			.exceptionHandling(e -> e
				.authenticationEntryPoint(new HttpStatusEntryPoint(HttpStatus.UNAUTHORIZED))
			)
			.csrf(c -> c
				.csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse())
			)
			.logout(l -> l
				.logoutSuccessUrl("/").permitAll()
			)
			.oauth2Login();
		return http.build();
		// @formatter:on
	}

	public static void main(String[] args) {
		SpringApplication.run(SocialApplication.class, args);
	}

}