spring-security-samples/servlet/java-configuration/authentication/preauth/src/main/java/example/SecurityConfiguration.java

/*
 * Copyright 2002-2024 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.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
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;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.servlet.util.matcher.MvcRequestMatcher;
import org.springframework.web.servlet.handler.HandlerMappingIntrospector;

@Configuration
@EnableWebSecurity
public class SecurityConfiguration {

	@Bean
	public SecurityFilterChain securityFilterChain(HttpSecurity http, MvcRequestMatcher.Builder mvc) throws Exception {
		// @formatter:off
		http
				.authorizeHttpRequests((authorize) -> authorize
						.requestMatchers(mvc.pattern("/login"), mvc.pattern("/resources/**")).permitAll()
						.anyRequest().authenticated()
				)
				.jee((jee) -> jee.mappableRoles("USER", "ADMIN"));
		// @formatter:on
		return http.build();
	}

	@Scope("prototype")
	@Bean
	MvcRequestMatcher.Builder mvc(HandlerMappingIntrospector introspector) {
		return new MvcRequestMatcher.Builder(introspector);
	}

	// @formatter:off
	@Bean
	public UserDetailsService userDetailsService() {
		UserDetails user = User.withDefaultPasswordEncoder()
				.username("user")
				.password("password")
				.roles("USER")
				.build();
		return new InMemoryUserDetailsManager(user);
	}
	// @formatter:on

}