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/*
 *  Copyright © 2017-2018 AT&T Intellectual Property.
 *  Modifications Copyright © 2018 IBM.
 *
 *  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
 *
 *      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.onap.ccsdk.apps.blueprintsprocessor;

import org.onap.ccsdk.apps.blueprintsprocessor.security.AuthenticationManager;
import org.onap.ccsdk.apps.blueprintsprocessor.security.SecurityContextRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.web.server.ServerHttpSecurity;
import org.springframework.security.web.server.SecurityWebFilterChain;
import org.springframework.web.reactive.config.CorsRegistry;
import org.springframework.web.reactive.config.ResourceHandlerRegistry;
import org.springframework.web.reactive.config.WebFluxConfigurationSupport;

/**
 * WebConfig
 *
 * @author Brinda Santh 8/13/2018
 */
@Configuration
public class WebConfig extends WebFluxConfigurationSupport {

    @Autowired
    private AuthenticationManager authenticationManager;

    @Autowired
    private SecurityContextRepository securityContextRepository;

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("swagger-ui.html")
            .addResourceLocations("classpath:/META-INF/resources/");

        registry.addResourceHandler("/webjars/**")
            .addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    @Override
    public void addCorsMappings(CorsRegistry corsRegistry) {
        corsRegistry.addMapping("/**")
            .allowedOrigins("*")
            .allowedMethods("*")
            .allowedHeaders("*")
            .maxAge(3600);
    }


    @Bean
    public SecurityWebFilterChain securitygWebFilterChain(ServerHttpSecurity http) {
        return http.csrf().disable()
            .formLogin().disable()
            .httpBasic().disable()
            .authenticationManager(authenticationManager)
            .securityContextRepository(securityContextRepository)
            .authorizeExchange()
            .pathMatchers(HttpMethod.OPTIONS).permitAll()
            .anyExchange().authenticated()
            .and().build();

    }
}