/*
 * Copyright 2004-present 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.kt.docs.reactive.authentication.reactivex509

import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.security.authentication.ReactiveAuthenticationManager
import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity
import org.springframework.security.config.web.server.invoke
import org.springframework.security.config.web.server.ServerHttpSecurity
import org.springframework.security.config.web.server.ServerHttpSecurity.http
import org.springframework.security.core.userdetails.MapReactiveUserDetailsService
import org.springframework.security.core.userdetails.ReactiveUserDetailsService
import org.springframework.security.core.userdetails.User
import org.springframework.security.web.authentication.preauth.x509.SubjectX500PrincipalExtractor
import org.springframework.security.web.server.SecurityWebFilterChain
import org.springframework.security.web.server.authentication.ReactivePreAuthenticatedAuthenticationManager
import org.springframework.web.reactive.config.EnableWebFlux

/**
 * Demonstrates custom configuration for x509 reactive configuration.
 *
 * @author Rob Winch
 */
@EnableWebFlux
@EnableWebFluxSecurity
@Configuration(proxyBeanMethods = false)
class CustomX509Configuration {

    // tag::springSecurity[]
    @Bean
    fun securityWebFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
        val extractor = SubjectX500PrincipalExtractor()
        extractor.setExtractPrincipalNameFromEmail(true)

        // @formatter:off
        val user = User
            .withUsername("luke@monkeymachine")
            .password("password")
            .roles("USER")
            .build()
        // @formatter:on

        val users: ReactiveUserDetailsService = MapReactiveUserDetailsService(user)
        val authentication: ReactiveAuthenticationManager = ReactivePreAuthenticatedAuthenticationManager(users)

        return http {
            x509 {
                principalExtractor = extractor
                authenticationManager = authentication
            }
            authorizeExchange {
                authorize(anyExchange, authenticated)
            }
        }
    }
    // end::springSecurity[]


}
