org.openmbee.mms.example.config.ExampleSecurityConfig Maven / Gradle / Ivy

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example, a module of the MMS
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package org.openmbee.mms.example.config;

import org.openmbee.mms.authenticator.config.AuthSecurityConfig;
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.http.MediaType;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.security.authentication.AuthenticationManager;
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.web.access.ExceptionTranslationFilter;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import static org.springframework.http.HttpHeaders.*;
import static org.springframework.http.HttpMethod.*;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
@EnableTransactionManagement
@EnableAsync
public class ExampleSecurityConfig extends WebSecurityConfigurerAdapter implements WebMvcConfigurer {

    @Value("${cors.allowed.origins:*}")
    private String allowedOrigins;

    @Autowired
    AuthSecurityConfig authSecurityConfig;

    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.csrf().disable().authorizeRequests().anyRequest().permitAll().and().httpBasic();
        http.headers().cacheControl();
        http.addFilterAfter(corsFilter(), ExceptionTranslationFilter.class);
        authSecurityConfig.setAuthConfig(http);
    }

    @Bean
    public RequestMappingHandlerMapping useTrailingSlash() {
        RequestMappingHandlerMapping requestMappingHandlerMapping = new RequestMappingHandlerMapping();
        requestMappingHandlerMapping.setUseTrailingSlashMatch(true);
        return requestMappingHandlerMapping;
    }

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

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**").allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS");
    }

    private CorsFilter corsFilter() {
        /*
         CORS requests are managed only if headers Origin and Access-Control-Request-Method are available on OPTIONS requests
         (this filter is simply ignored in other cases).
         This filter can be used as a replacement for the @Cors annotation.
        */
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        for(String origin: allowedOrigins.split(",")) {
            config.addAllowedOrigin(origin);
        }
        config.addAllowedHeader(ORIGIN);
        config.addAllowedHeader(CONTENT_TYPE);
        config.addAllowedHeader(ACCEPT);
        config.addAllowedHeader(AUTHORIZATION);
        config.addAllowedMethod(GET);
        config.addAllowedMethod(PUT);
        config.addAllowedMethod(POST);
        config.addAllowedMethod(OPTIONS);
        config.addAllowedMethod(DELETE);
        config.addAllowedMethod(PATCH);
        config.setMaxAge(3600L);

        source.registerCorsConfiguration("/**", config);
        return new CorsFilter(source);
    }

    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.favorParameter(false)
            .ignoreAcceptHeader(false)
            .defaultContentType(MediaType.APPLICATION_JSON);
    }
}