/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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
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   * under the License.
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  package org.apache.syncope.client.enduser;
  
  import org.apache.syncope.common.lib.types.IdRepoEntitlement;
  import org.springframework.boot.actuate.autoconfigure.security.servlet.EndpointRequest;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  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.configurers.AbstractHttpConfigurer;
  import org.springframework.security.core.userdetails.User;
  import org.springframework.security.core.userdetails.UserDetails;
  import org.springframework.security.provisioning.InMemoryUserDetailsManager;
  import org.springframework.security.web.SecurityFilterChain;
  import org.springframework.security.web.util.matcher.NegatedRequestMatcher;
  
  @EnableWebSecurity
  @Configuration(proxyBeanMethods = false)
  public class SecurityConfig {
  
      @ConditionalOnMissingBean
      @Bean
      public SecurityFilterChain actuatorFilterChain(final HttpSecurity http) throws Exception {
          EndpointRequest.EndpointRequestMatcher actuatorEndpoints = EndpointRequest.toAnyEndpoint();
          http.authorizeHttpRequests(customizer -> customizer.
                  requestMatchers(new NegatedRequestMatcher(actuatorEndpoints)).permitAll().
                  requestMatchers(actuatorEndpoints).authenticated());
  
          http.httpBasic(Customizer.withDefaults());
          http.csrf(AbstractHttpConfigurer::disable);
  
          return http.build();
      }
  
      @ConditionalOnMissingBean
      @Bean
      public InMemoryUserDetailsManager actuatorUserDetailsService(final EnduserProperties props) {
          UserDetails user = User.withUsername(props.getAnonymousUser()).
                  password("{noop}" + props.getAnonymousKey()).
                  roles(IdRepoEntitlement.ANONYMOUS).
                  build();
          return new InMemoryUserDetailsManager(user);
      }
  }