/*
 * 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 specific language governing permissions and limitations under
 * the License.
 *
 */
package org.apache.geode.rest.internal.web.security;

import org.apache.geode.internal.security.IntegratedSecurityService;
import org.apache.geode.internal.security.SecurityService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
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 org.springframework.security.config.http.SessionCreationPolicy;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
@ComponentScan("org.apache.geode.rest.internal.web")
public class RestSecurityConfiguration extends WebSecurityConfigurerAdapter {

  private SecurityService securityService = IntegratedSecurityService.getSecurityService();

  @Autowired
  private GeodeAuthenticationProvider authProvider;

  @Override
  protected void configure(AuthenticationManagerBuilder auth) throws Exception {
    auth.authenticationProvider(authProvider);
  }

  @Bean
  @Override
  public AuthenticationManager authenticationManagerBean() throws Exception {
    return super.authenticationManagerBean();
  }

  protected void configure(HttpSecurity http) throws Exception {
    http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
        .authorizeRequests()
        .antMatchers("/ping", "/docs/**", "/swagger-ui.html", "/v2/api-docs/**",
            "/webjars/springfox-swagger-ui/**", "/swagger-resources/**")
        .permitAll().anyRequest().authenticated().and().csrf().disable();

    if (securityService.isIntegratedSecurity()) {
      http.httpBasic();
    } else {
      http.authorizeRequests().anyRequest().permitAll();
    }
  }
}