/*
 * Copyright 2002-2019 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 org.springframework.security.samples.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
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 static org.springframework.security.config.Customizer.withDefaults;

@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
	// @formatter:off
	@Autowired
	public void configureGlobal(
			AuthenticationManagerBuilder auth) throws Exception {
		auth
			.inMemoryAuthentication()
				.withUser("user").password("password").roles("USER");
	}
	// @formatter:on

	// @formatter:off
	@Override
	protected void configure(
			HttpSecurity http) throws Exception {
		http
			.authorizeRequests((authorizeRequests) -> 
				authorizeRequests
					.anyRequest().authenticated()
			)
			.formLogin(withDefaults())
			.sessionManagement((sessionManagement) -> 
				sessionManagement
					.sessionConcurrency((sessionConcurrency) -> 
						sessionConcurrency
							.maximumSessions(1)
							.expiredUrl("/login?expired")
					)
			);
	}
	// @formatter:on
}
