SpringBoot-OAuth2-JWT-WebFlux-ResourceServer

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摘要

依赖

  • springboot官方提供了支持
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    //webflux
    implementation 'org.springframework.boot:spring-boot-starter-webflux'
    implementation 'org.springframework.boot:spring-boot-starter-oauth2-resource-server'

    //本项目中使用了lombok减少代码量，非必须依赖
    compileOnly 'org.projectlombok:lombok'
    annotationProcessor 'org.projectlombok:lombok'

ReactiveSecurityConfig

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package com.example.oauth2resourceserverwebfluxdemo.config;

import com.example.oauth2resourceserverwebfluxdemo.security.CustomReactiveAuthorizationManager;
import com.example.oauth2resourceserverwebfluxdemo.security.CustomServerAccessDeniedHandler;
import com.example.oauth2resourceserverwebfluxdemo.security.CustomServerAuthenticationEntryPoint;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableReactiveMethodSecurity;
import org.springframework.security.config.web.server.ServerHttpSecurity;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
import org.springframework.security.web.server.SecurityWebFilterChain;
import reactor.core.publisher.Mono;

import java.util.Collection;
import java.util.stream.Collectors;

/**
 * <h1>安全认证配置</h1>
 * Created by hanqf on 2020/11/19 10:26.
 */


@Configuration
//@EnableWebFluxSecurity //非必要
@EnableReactiveMethodSecurity //启用@PreAuthorize注解配置
public class ReactiveSecurityConfig {


    @Autowired
    private CustomServerAccessDeniedHandler customServerAccessDeniedHandler;

    @Autowired
    private CustomServerAuthenticationEntryPoint customServerAuthenticationEntryPoint;

    @Autowired
    private CustomReactiveAuthorizationManager customReactiveAuthorizationManager;

    /**
     * 注册安全验证规则
     * 配置方式与HttpSecurity基本一致
     */
    @Bean
    SecurityWebFilterChain springSecurityFilterChain(ServerHttpSecurity http) { //定义SecurityWebFilterChain对安全进行控制，使用ServerHttpSecurity构造过滤器链；
        return http.authorizeExchange()
                //.anyExchange().authenticated() //所有请求都需要通过认证
                .pathMatchers("/res/**", "/userInfo/**").authenticated()
                //需要具备相应的角色才能访问
                .pathMatchers("/user/**").hasAnyRole("admin", "user")
                //不需要登录就可以访问
                .pathMatchers("/swagger-ui/**", "/v3/api-docs**").permitAll()

                //其它路径需要根据指定的方法判断是否有权限访问，基于权限管理模型认证
                .anyExchange().access(customReactiveAuthorizationManager)
                .and()
                .csrf().disable() //关闭CSRF（Cross-site request forgery）跨站请求伪造
                .httpBasic().disable() //不支持HTTP Basic方式登录
                .formLogin().disable()//不支持login页面登录
                .cors() //开启跨域支持
                .and()

                //鉴权时只支持Bearer Token的形式，不支持url后加参数access_token
                .oauth2ResourceServer()//开启oauth2资源认证
                .jwt() //token为jwt
                //默认情况下，权限是scope，而我们希望使用的是用户的角色，所以这里需要通过转换器进行处理
                .jwtAuthenticationConverter(jwt -> { //通过自定义Converter来指定权限，Converter是函数接口，当前上下问参数为JWT对象
                    Collection<SimpleGrantedAuthority> authorities =
                            ((Collection<String>) jwt.getClaims()
                                    .get("authorities")).stream() //获取JWT中的authorities
                                    .map(SimpleGrantedAuthority::new)
                                    .collect(Collectors.toSet());

                    //如果希望保留scope的权限，可以取出scope数据然后合并到一起，这样因为不是以ROLE_开头，所以需要使用hasAuthority('SCOPE_any')的形式
                    Collection<SimpleGrantedAuthority> scopes = ((Collection<String>) jwt.getClaims()
                            .get("scope")).stream().map(scope -> new SimpleGrantedAuthority("SCOPE_" + scope))
                            .collect(Collectors.toSet());
                    //合并权限
                    authorities.addAll(scopes);
                    return Mono.just(new JwtAuthenticationToken(jwt, authorities));
                })
                .and()
                .accessDeniedHandler(customServerAccessDeniedHandler)
                .authenticationEntryPoint(customServerAuthenticationEntryPoint)
                .and().build();
    }
}

CustomReactiveAuthorizationManager

基于RBAC权限认证管理模型的认证方式

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package com.example.oauth2resourceserverwebfluxdemo.security;

import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.security.authorization.AuthorizationDecision;
import org.springframework.security.authorization.ReactiveAuthorizationManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.jwt.Jwt;
import org.springframework.security.web.server.authorization.AuthorizationContext;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.StringUtils;
import reactor.core.publisher.Mono;

import java.util.HashSet;
import java.util.Set;

/**
 * <h1>ReactiveAuthorizationManager</h1>
 * Created by hanqf on 2020/11/30 12:05.
 */

@Component
public class CustomReactiveAuthorizationManager implements ReactiveAuthorizationManager<AuthorizationContext> {
    @Override
    public Mono<AuthorizationDecision> check(Mono<Authentication> authentication, AuthorizationContext object) {
        return authentication.map(auth -> {
            ServerHttpRequest request = object.getExchange().getRequest();
            Object principal = auth.getPrincipal();
            String username;
            if (principal instanceof Jwt) {
                username = ((Jwt) principal).getClaimAsString("user_name");
            } else {
                username = principal.toString();
            }
            boolean hasPerssion = false;
            if (StringUtils.hasText(username) && !"anonymousUser".equals(username)) {
                //根据用户名查询用户资源权限，这里应该访问数据库查询
                Set<String> uris = new HashSet<>();
                for (String uri : uris) {
                    //验证用户拥有的资源权限是否与请求的资源相匹配
                    if (new AntPathMatcher().match(uri, request.getURI().toString())) {
                        hasPerssion = true;
                        break;
                    }
                }
            }

            //暂时全部返回true
            hasPerssion = true;
            return new AuthorizationDecision(hasPerssion);
        });
    }
}

CustomServerAccessDeniedHandler

没有权限时的处理方式

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package com.example.oauth2resourceserverwebfluxdemo.security;


import com.example.oauth2resourceserverwebfluxdemo.exception.AjaxResponse;
import com.example.oauth2resourceserverwebfluxdemo.exception.CustomException;
import com.example.oauth2resourceserverwebfluxdemo.exception.CustomExceptionType;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.SneakyThrows;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.server.authorization.ServerAccessDeniedHandler;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * <h1>没有权限时的处理方式</h1>
 * Created by hanqf on 2020/11/20 11:56.
 */

@Component
public class CustomServerAccessDeniedHandler implements ServerAccessDeniedHandler {
    @SneakyThrows
    @Override
    public Mono<Void> handle(ServerWebExchange serverWebExchange, AccessDeniedException e) {
        return setErrorResponse(serverWebExchange.getResponse(),e.getMessage());
    }

    protected Mono<Void> setErrorResponse(ServerHttpResponse response, String message) throws JsonProcessingException {
        response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
        ObjectMapper objectMapper = new ObjectMapper();
        AjaxResponse ajaxResponse = AjaxResponse.error(new CustomException(CustomExceptionType.USER_INPUT_ERROR, message));
        return response.writeWith(Mono.just(response.bufferFactory().wrap(objectMapper.writeValueAsBytes(ajaxResponse))));

    }
}

CustomServerAuthenticationEntryPoint

token格式错误或过期时的处理方式

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package com.example.oauth2resourceserverwebfluxdemo.security;


import com.example.oauth2resourceserverwebfluxdemo.exception.AjaxResponse;
import com.example.oauth2resourceserverwebfluxdemo.exception.CustomException;
import com.example.oauth2resourceserverwebfluxdemo.exception.CustomExceptionType;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.SneakyThrows;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.server.ServerAuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * <h1>ServerAuthenticationEntryPoint</h1>
 * Created by hanqf on 2020/11/20 12:01.
 * <p>
 * token格式错误或过期时的处理方式
 */
@Component
public class CustomServerAuthenticationEntryPoint implements ServerAuthenticationEntryPoint {
    @SneakyThrows
    @Override
    public Mono<Void> commence(ServerWebExchange serverWebExchange, AuthenticationException e) {
        return setErrorResponse(serverWebExchange.getResponse(), e.getMessage());
    }

    protected Mono<Void> setErrorResponse(ServerHttpResponse response, String message) throws JsonProcessingException {
        response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
        ObjectMapper objectMapper = new ObjectMapper();
        AjaxResponse ajaxResponse = AjaxResponse.error(new CustomException(CustomExceptionType.USER_INPUT_ERROR, message));
        return response.writeWith(Mono.just(response.bufferFactory().wrap(objectMapper.writeValueAsBytes(ajaxResponse))));

    }
}

WebFluxConfig

配置跨域

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package com.example.oauth2resourceserverwebfluxdemo.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.reactive.config.CorsRegistry;
import org.springframework.web.reactive.config.WebFluxConfigurer;

/**
 * <h1>WebFlux配置类</h1>
 * Created by hanqf on 2020/11/18 17:43.
 *
 * 我们若需要配置Spring WebFlux只需让配置配实现接口WebFluxConfigurer，
 * 这样我们既能保留Spring Boot给WebFlux配置又能添加我们的定制配置。
 * 若我们向完全控制WebFlux，则在配置类添加注解@EnableWebFlux
 * 配置方式和Spring MVC类似
 */

@Configuration
public class WebFluxConfig implements WebFluxConfigurer {

    //跨域设置
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**") //添加映射路径，“/**”表示对所有的路径实行全局跨域访问权限的设置
                .allowedMethods("GET","POST", "PUT", "DELETE") //开放哪些Http方法，允许跨域访问
                .allowedHeaders("*") //允许HTTP请求中的携带哪些Header信息
                //When allowCredentials is true, allowedOrigins cannot contain the special value "*"since that cannot be set on the "Access-Control-Allow-Origin" response header.
                // To allow credentials to a set of origins, list them explicitly or consider using "allowedOriginPatterns" instead.
                //.allowedOrigins("*") //开放哪些ip、端口、域名的访问权限
                .allowedOriginPatterns("*")
                .allowCredentials(true); //是否允许发送Cookie信息

    }
}

application.yml

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#资源服务器端口号
server:
  port: 8083
spring:
  application:
    name: oauth2-resource-server-webflux

  #oauth2 配置
  security:
    oauth2:
      resourceserver:
        jwt:
          # 公钥文件路径
          # public-key-location: classpath:oauth2_key.pub

          # 认证服务器提供的密钥验证路径，这种方式每次验证access_token都需要访问认证服务器
          jwk-set-uri: http://localhost:8080/.well-known/jwks.json

资源接口示例

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package com.example.oauth2resourceserverwebfluxdemo.controller;


import com.example.oauth2resourceserverwebfluxdemo.exception.AjaxResponse;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.jwt.Jwt;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;

import java.security.Principal;
import java.util.HashMap;
import java.util.Map;

/**
 * <h1>res</h1>
 * Created by hanqf on 2020/11/6 17:22.
 */

@RestController
public class UserController {

    //注意权限区分大小写
    @PreAuthorize("hasRole('admin') or hasRole('user')")
    //@PreAuthorize("#oauth2.hasScope('any')") //不支持oauth2表达式
    @RequestMapping(value = "/user")
    public Mono<AjaxResponse> user(Principal principal) {
        //principal在经过security拦截后，是org.springframework.security.authentication.UsernamePasswordAuthenticationToken
        //在经OAuth2拦截后，是OAuth2Authentication
        return Mono.just(AjaxResponse.success(principal));
    }

    //注意权限区分大小写
    @PreAuthorize("hasAuthority('SCOPE_any')")
    @RequestMapping(value = "/user2")
    public Mono<AjaxResponse> user2(Principal principal) {
        //principal在经过security拦截后，是org.springframework.security.authentication.UsernamePasswordAuthenticationToken
        //在经OAuth2拦截后，是OAuth2Authentication
        return Mono.just(AjaxResponse.success(principal));
    }

    /**
     * 获取用户的claim信息
    */
    @RequestMapping("/userInfo")
    public Mono<Map<String, Object>> userInfo(Authentication authentication){
        Map<String,Object> map = new HashMap<>();
        Object principal = authentication.getPrincipal();
        if(principal instanceof Jwt){
            map.put("username", ((Jwt) principal).getClaim("user_name"));
            map.putAll(((Jwt) principal).getClaims());
        }

        return Mono.just(map);
    }

}
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