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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2023 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.dmi.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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;
/**
* Configuration class to implement application security.
* It enforces Basic Authentication access control.
*/
@Configuration
@EnableWebSecurity
public class WebSecurityConfig {
private static final String USER_ROLE = "USER";
private final String username;
private final String password;
private final String[] permitUris;
/**
* Constructor. Accepts parameters from configuration.
*
* @param permitUris comma-separated list of uri patterns for endpoints permitted
* @param username username
* @param password password
*/
public WebSecurityConfig(
@Autowired @Value("${security.permit-uri}") final String permitUris,
@Autowired @Value("${security.auth.username}") final String username,
@Autowired @Value("${security.auth.password}") final String password
) {
super();
this.permitUris = permitUris.isEmpty() ? new String[] {"/v3/api-docs"} : permitUris.split("\\s{0,9},\\s{0,9}");
this.username = username;
this.password = password;
}
/**
* Return the configuration for secure access to the modules REST end points.
*
* @param http the HTTP security settings.
* @return the HTTP security settings.
*/
@Bean
// The team decided to disable default CSRF Spring protection and not implement CSRF tokens validation.
// ncmp is a stateless REST API that is not as vulnerable to CSRF attacks as web applications running in
// web browsers are. ncmp does not manage sessions, each request requires the authentication token in the header.
// See https://docs.spring.io/spring-security/site/docs/5.3.8.RELEASE/reference/html5/#csrf
@SuppressWarnings("squid:S4502")
public SecurityFilterChain filterChain(final HttpSecurity http) throws Exception {
http
.httpBasic(httpBasicCustomizer -> {})
.authorizeHttpRequests(authorizeHttpRequestsCustomizer -> {
authorizeHttpRequestsCustomizer.requestMatchers(permitUris).permitAll();
authorizeHttpRequestsCustomizer.anyRequest().authenticated();
})
.csrf(AbstractHttpConfigurer::disable);
return http.build();
}
/**
* In memory user authenticaion details.
*
* @return in memory authentication.
*/
@Bean
public InMemoryUserDetailsManager userDetailsService() {
final UserDetails user = User.builder()
.username(username)
.password("{noop}" + password)
.roles(USER_ROLE)
.build();
return new InMemoryUserDetailsManager(user);
}
}
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