spring-security/samples/boot/oauth2login/src/main/java/sample/web/OAuth2LoginController.java

/*
 * 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.core.annotation.AuthenticationPrincipal;
import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
import org.springframework.security.oauth2.client.annotation.RegisteredOAuth2AuthorizedClient;
import org.springframework.security.oauth2.core.user.OAuth2User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

/**
 * @author Joe Grandja
 * @author Rob Winch
 */
@Controller
public class OAuth2LoginController {

	@GetMapping("/")
	public String index(Model model,
						@RegisteredOAuth2AuthorizedClient OAuth2AuthorizedClient authorizedClient,
						@AuthenticationPrincipal OAuth2User oauth2User) {
		model.addAttribute("userName", oauth2User.getName());
		model.addAttribute("clientName", authorizedClient.getClientRegistration().getClientName());
		model.addAttribute("userAttributes", oauth2User.getAttributes());
		return "index";
	}
}