<%#
 Copyright 2013-2017 the original author or authors from the JBooter project.

 This file is part of the JBooter project, see https://jbooter.github.io/
 for more information.

 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 <%=packageName%>.config;

<%_ if(authenticationType == 'jwt') { _%>
import <%=packageName%>.security.AuthoritiesConstants;
import <%=packageName%>.security.jwt.JWTConfigurer;
import <%=packageName%>.security.jwt.TokenProvider;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
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.builders.WebSecurity;
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;
import org.springframework.security.data.repository.query.SecurityEvaluationContextExtension;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class MicroserviceSecurityConfiguration extends WebSecurityConfigurerAdapter {

    private final TokenProvider tokenProvider;

    public MicroserviceSecurityConfiguration(TokenProvider tokenProvider) {
        this.tokenProvider = tokenProvider;
    }

    @Override
    public void configure(WebSecurity web) throws Exception {
        web.ignoring()
            .antMatchers(HttpMethod.OPTIONS, "/**")
            .antMatchers("/app/**/*.{js,html}")
            .antMatchers("/bower_components/**")
            .antMatchers("/i18n/**")
            .antMatchers("/content/**")
            .antMatchers("/swagger-ui/index.html")
            .antMatchers("/test/**")
            .antMatchers("/h2-console/**");
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf()
            .disable()
            .headers()
            .frameOptions()
            .disable()
        .and()
            .sessionManagement()
            .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        .and()
            .authorizeRequests()
            .antMatchers("/api/**").authenticated()
            .antMatchers("/management/health").permitAll()
            .antMatchers("/management/**").hasAuthority(AuthoritiesConstants.ADMIN)
            .antMatchers("/swagger-resources/configuration/ui").permitAll()
        .and()
            .apply(securityConfigurerAdapter());
    }

    private JWTConfigurer securityConfigurerAdapter() {
        return new JWTConfigurer(tokenProvider);
    }

    @Bean
    public SecurityEvaluationContextExtension securityEvaluationContextExtension() {
        return new SecurityEvaluationContextExtension();
    }
}
<%_ } _%>
<%_ if(authenticationType == 'uaa') { _%>
import <%=packageName%>.security.AuthoritiesConstants;

import io.github.jbooter.config.JBooterProperties;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.loadbalancer.RestTemplateCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.web.client.RestTemplate;

import java.util.Map;

@Configuration
@EnableResourceServer
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class MicroserviceSecurityConfiguration extends ResourceServerConfigurerAdapter {

    private final JBooterProperties jBooterProperties;

    private final DiscoveryClient discoveryClient;

    public MicroserviceSecurityConfiguration(JBooterProperties jBooterProperties,
            DiscoveryClient discoveryClient) {

        this.jBooterProperties = jBooterProperties;
        this.discoveryClient = discoveryClient;
    }

    @Override
    public void configure(HttpSecurity http) throws Exception {
        http
            .csrf()
            .disable()
            .headers()
            .frameOptions()
            .disable()
        .and()
            .sessionManagement()
            .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        .and()
            .authorizeRequests()
            .antMatchers("/api/profile-info").permitAll()
            .antMatchers("/api/**").authenticated()
            .antMatchers("/management/health").permitAll()
            .antMatchers("/management/**").hasAuthority(AuthoritiesConstants.ADMIN)
            .antMatchers("/swagger-resources/configuration/ui").permitAll();
    }

    @Bean
    public TokenStore tokenStore(JwtAccessTokenConverter jwtAccessTokenConverter) {
        return new JwtTokenStore(jwtAccessTokenConverter);
    }

    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter(
            @Qualifier("loadBalancedRestTemplate") RestTemplate keyUriRestTemplate) {

        JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
        converter.setVerifierKey(getKeyFromAuthorizationServer(keyUriRestTemplate));
        return converter;
    }

    @Bean
    public RestTemplate loadBalancedRestTemplate(RestTemplateCustomizer customizer) {
        RestTemplate restTemplate = new RestTemplate();
        customizer.customize(restTemplate);
        return restTemplate;
    }

    private String getKeyFromAuthorizationServer(RestTemplate keyUriRestTemplate) {
        // Load available UAA servers
        discoveryClient.getServices();
        HttpEntity<Void> request = new HttpEntity<Void>(new HttpHeaders());
        return (String) keyUriRestTemplate
            .exchange("http://<%= uaaBaseName %>/oauth/token_key", HttpMethod.GET, request, Map.class).getBody()
            .get("value");

    }
}
<%_ } _%>