Java tutorial
package com.devicehive.application.security; /* * #%L * DeviceHive Java Server Common business logic * %% * Copyright (C) 2016 DataArt * %% * 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. * #L% */ import com.devicehive.auth.rest.HttpAuthenticationFilter; import com.devicehive.auth.rest.SimpleCORSFilter; import com.devicehive.auth.rest.providers.BasicAuthenticationProvider; import com.devicehive.auth.rest.providers.HiveAnonymousAuthenticationProvider; import com.devicehive.auth.rest.providers.JwtTokenAuthenticationProvider; import com.devicehive.configuration.Constants; import com.devicehive.configuration.Messages; import com.devicehive.model.ErrorResponse; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.core.Ordered; import org.springframework.core.annotation.Order; import org.springframework.http.HttpHeaders; import org.springframework.http.MediaType; import org.springframework.security.authentication.AuthenticationManager; import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder; 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.config.http.SessionCreationPolicy; import org.springframework.security.web.AuthenticationEntryPoint; import org.springframework.security.web.authentication.www.BasicAuthenticationFilter; import javax.servlet.http.HttpServletResponse; import java.util.Optional; @Configuration @EnableWebSecurity @Order(Ordered.HIGHEST_PRECEDENCE) public class WebSecurityConfig extends WebSecurityConfigurerAdapter { private Gson gson = new GsonBuilder().create(); @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable().sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and() .authorizeRequests() .antMatchers("/css/**", "/server/**", "/scripts/**", "/webjars/**", "/templates/**").permitAll() .antMatchers("/*/swagger.json", "/*/swagger.yaml").permitAll().and().anonymous().disable() .exceptionHandling().authenticationEntryPoint(unauthorizedEntryPoint()); http.addFilterBefore(new HttpAuthenticationFilter(authenticationManager()), BasicAuthenticationFilter.class) .addFilterAfter(new SimpleCORSFilter(), HttpAuthenticationFilter.class); } @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { auth.authenticationProvider(basicAuthenticationProvider()) .authenticationProvider(jwtTokenAuthenticationProvider()) .authenticationProvider(anonymousAuthenticationProvider()); } @Bean @Override public AuthenticationManager authenticationManagerBean() throws Exception { return super.authenticationManagerBean(); } @Bean public BasicAuthenticationProvider basicAuthenticationProvider() { return new BasicAuthenticationProvider(); } @Bean public JwtTokenAuthenticationProvider jwtTokenAuthenticationProvider() { return new JwtTokenAuthenticationProvider(); } @Bean public HiveAnonymousAuthenticationProvider anonymousAuthenticationProvider() { return new HiveAnonymousAuthenticationProvider(); } @Bean public AuthenticationEntryPoint unauthorizedEntryPoint() { return (request, response, authException) -> { Optional<String> authHeader = Optional.ofNullable(request.getHeader(HttpHeaders.AUTHORIZATION)); if (authHeader.isPresent() && authHeader.get().startsWith(Constants.TOKEN_SCHEME)) { response.addHeader(HttpHeaders.WWW_AUTHENTICATE, Messages.OAUTH_REALM); } else { response.addHeader(HttpHeaders.WWW_AUTHENTICATE, Messages.BASIC_REALM); } response.setContentType(MediaType.APPLICATION_JSON_VALUE); response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); response.getOutputStream().println(gson .toJson(new ErrorResponse(HttpServletResponse.SC_UNAUTHORIZED, authException.getMessage()))); }; } }