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Added security with spring-xsuaa and spring-security
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82 changes: 82 additions & 0 deletions
82
src/main/java/com/sap/bulletinboard/ads/config/WebSecurityConfig.java
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| package com.sap.bulletinboard.ads.config; | ||
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| import com.sap.cloud.security.xsuaa.XsuaaServiceConfiguration; | ||
| import com.sap.cloud.security.xsuaa.XsuaaServiceConfigurationDefault; | ||
| import com.sap.cloud.security.xsuaa.XsuaaServicePropertySourceFactory; | ||
| import com.sap.cloud.security.xsuaa.token.TokenAuthenticationConverter; | ||
| import com.sap.cloud.security.xsuaa.token.authentication.XsuaaJwtDecoderBuilder; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; | ||
| import org.springframework.context.annotation.Bean; | ||
| import org.springframework.context.annotation.Configuration; | ||
| import org.springframework.context.annotation.PropertySource; | ||
| import org.springframework.core.convert.converter.Converter; | ||
| import org.springframework.security.authentication.AbstractAuthenticationToken; | ||
| 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.oauth2.jwt.Jwt; | ||
| import org.springframework.security.oauth2.jwt.JwtDecoder; | ||
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| import static org.springframework.http.HttpMethod.*; | ||
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| @Configuration | ||
| @EnableWebSecurity | ||
| @PropertySource(factory = XsuaaServicePropertySourceFactory.class, value = { "" }) | ||
| public class WebSecurityConfig extends WebSecurityConfigurerAdapter { | ||
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| public static final String DISPLAY_SCOPE_LOCAL = "Display"; | ||
| public static final String UPDATE_SCOPE_LOCAL = "Update"; | ||
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| @Autowired | ||
| XsuaaServiceConfiguration xsuaaServiceConfiguration; | ||
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| // configure Spring Security, demand authentication and specific scopes | ||
| @Override | ||
| public void configure(HttpSecurity http) throws Exception { | ||
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| // @formatter:off | ||
| http | ||
| .sessionManagement() | ||
| // session is created by approuter | ||
| .sessionCreationPolicy(SessionCreationPolicy.NEVER) | ||
| .and() | ||
| // demand specific scopes depending on intended request | ||
| .authorizeRequests() | ||
| .antMatchers(GET, "/health", "/").permitAll() //used as health check on CF: must be accessible by "anybody" | ||
| .antMatchers(POST, "/api/v1/ads/**").hasAuthority(UPDATE_SCOPE_LOCAL) | ||
| .antMatchers(PUT, "/api/v1/ads/**").hasAuthority(UPDATE_SCOPE_LOCAL) | ||
| .antMatchers(DELETE, "/api/v1/ads/**").hasAuthority(UPDATE_SCOPE_LOCAL) | ||
| .antMatchers(GET, "/api/v1/ads/**").hasAuthority(DISPLAY_SCOPE_LOCAL) | ||
| .anyRequest().denyAll() // deny anything not configured above | ||
| .and() | ||
| .oauth2ResourceServer() | ||
| .jwt() | ||
| .jwtAuthenticationConverter(getJwtAuthenticationConverter()); | ||
| // @formatter:on | ||
| } | ||
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| @Bean | ||
| JwtDecoder jwtDecoder() { | ||
| return new XsuaaJwtDecoderBuilder(xsuaaServiceConfiguration).build(); | ||
| } | ||
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| @Bean | ||
| @ConditionalOnMissingBean(XsuaaServiceConfiguration.class) | ||
| public XsuaaServiceConfiguration xsuaaServiceConfiguration() { | ||
| return new XsuaaServiceConfigurationDefault(); | ||
| } | ||
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| /** | ||
| * Customizes how GrantedAuthority are derived from a Jwt | ||
| */ | ||
| Converter<Jwt, AbstractAuthenticationToken> getJwtAuthenticationConverter() { | ||
| TokenAuthenticationConverter converter = new TokenAuthenticationConverter(xsuaaServiceConfiguration); | ||
| converter.setLocalScopeAsAuthorities(true); | ||
| return converter; | ||
| } | ||
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| } |
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