spring-security-samples/servlet/java-configuration/saml2/login/src/main/java/example/IndexController.java

/*
 * Copyright 2002-2021 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 example;

import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.saml2.provider.service.authentication.Saml2AuthenticatedPrincipal;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

/**
 * Controller for "/".
 *
 * @author Rob WInch
 */
@Controller
public class IndexController {

	@GetMapping("/")
	public String index(Model model, @AuthenticationPrincipal Saml2AuthenticatedPrincipal principal) {
		String emailAddress = principal.getFirstAttribute("emailAddress");
		model.addAttribute("emailAddress", emailAddress);
		model.addAttribute("userAttributes", principal.getAttributes());
		return "index";
	}

}