/*
 * Copyright 2020-2023 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 sample.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.Customizer;
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.WebSecurityCustomizer;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;

/**
 * @author Steve Riesenberg
 * @since 1.1
 */
@Configuration
@EnableWebSecurity
public class SecurityConfig {

	@Bean
	public WebSecurityCustomizer webSecurityCustomizer() {
		return (web) -> web.ignoring().requestMatchers("/webjars/**", "/assets/**");
	}

	@Bean
	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
		// @formatter:off
		http
			.authorizeHttpRequests((authorize) -> authorize
				.requestMatchers("/", "/authorize").permitAll()
				.anyRequest().authenticated()
			)
			.exceptionHandling((exceptions) -> exceptions
				.authenticationEntryPoint(new LoginUrlAuthenticationEntryPoint("/"))
			)
			.oauth2Client(Customizer.withDefaults());
		// @formatter:on
		return http.build();
	}

}