springcloud + zuul+eureka 实现简单版认证
实现步骤
搭建注册中心:服务注册eureka
搭建商品服务:测试认证是否通过
搭建用户服务:用于认证
搭建网关zuul
搭建注册中心
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pom.xml
4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.7.RELEASE com.example eureka-server 0.0.1-SNAPSHOT eureka-server Demo project for Spring Boot 1.8 Hoxton.SR9 org.springframework.cloud spring-cloud-starter-netflix-eureka-server org.springframework.boot spring-boot-devtools runtime true org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok -
application.properties
server.port=8000 spring.application.name=eureka-server eureka.client.service-url.defaultZone=http://localhost:8000/eureka eureka.client.fetch-registry=false eureka.client.register-with-eureka=false -
启动类
package com.example.eurekaserver; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer; @SpringBootApplication @EnableEurekaServer public class EurekaServerApplication { public static void main(String[] args) { SpringApplication.run(EurekaServerApplication.class, args); } }
搭建商品服务
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pom.xml
4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.7.RELEASE com.example product-server 0.0.1-SNAPSHOT product-server Demo project for Spring Boot 1.8 Hoxton.SR9 org.springframework.cloud spring-cloud-starter-netflix-eureka-client org.springframework.boot spring-boot-starter-web org.springframework.cloud spring-cloud-starter-openfeign org.springframework.boot spring-boot-devtools runtime true org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok -
application.properties
server.port=8001 spring.application.name=product-server eureka.client.service-url.defaultZone=http://localhost:8000/eureka -
启动类:
package com.example.productserver; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class ProductServerApplication { public static void main(String[] args) { SpringApplication.run(ProductServerApplication.class, args); } } -
api接口
package com.example.productserver; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestHeader; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; /** * @author POEAM * @date 2021/1/11 */ @RestController @RequestMapping("products") public class ProductController { @GetMapping public String list( @RequestHeader(value = "token",required = false) String token, @RequestHeader(value = "Authorization",required = false) String Authorization) { return "product pro:"+token+":"+Authorization; } }
搭建用户服务
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pom.xml
4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.7.RELEASE com.example user-server 0.0.1-SNAPSHOT user-server Demo project for Spring Boot 1.8 Hoxton.SR9 org.springframework.boot spring-boot-starter-data-redis org.springframework.boot spring-boot-starter-web org.springframework.cloud spring-cloud-starter-netflix-eureka-client org.springframework.boot spring-boot-devtools runtime true org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok -
application.properties
server.port=8080 spring.application.name=user-server eureka.client.service-url.defaultZone=http://localhost:8000/eureka -
启动类:
package com.example.userserver; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; @SpringBootApplication @EnableEurekaClient public class UserServerApplication { public static void main(String[] args) { SpringApplication.run(UserServerApplication.class, args); } } -
api接口:登录:
package com.example.userserver; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.StringRedisTemplate; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import javax.servlet.http.HttpServletRequest; import java.util.UUID; import java.util.concurrent.TimeUnit; @RestController @RequestMapping("users") public class UserController { @Autowired StringRedisTemplate redisTemplate; @GetMapping public String login(HttpServletRequest request, String uname, String upass) {//Chrome // request.get //登录成功 if("admin".equals(uname)&&"admin".equals(upass)){ //生成token String token = UUID.randomUUID().toString().replace("-", ""); // 用户信息写入redis->token:用户信息 redisTemplate.opsForValue().set(token,"admin",1, TimeUnit.DAYS); // 生成token,返回 return token; }else{ //返回错误信息 return "erro"; } } }
搭建网关服务
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pom.xml
4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.7.RELEASE com.example zuul-server 0.0.1-SNAPSHOT zuul-server Demo project for Spring Boot 1.8 Hoxton.SR9 org.springframework.boot spring-boot-starter-web org.springframework.cloud spring-cloud-starter-netflix-eureka-client org.springframework.cloud spring-cloud-starter-netflix-zuul org.springframework.boot spring-boot-devtools runtime true org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine org.springframework.boot spring-boot-starter-data-redis org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok -
application.properties
```pro server: port: 80 spring: application: name: zuul-server eureka: client: service-url: defaultZone: http://localhost:8000/eureka zuul: routes: baidu: path: /baidu/** # http://localhost/baidu/nihao url: http://www.baidu.com sensitiveHeaders: logiApi: users ``` -
启动类:
package com.example.zuulserver; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.zuul.EnableZuulProxy; @SpringBootApplication @EnableZuulProxy public class ZuulServerApplication { public static void main(String[] args) { SpringApplication.run(ZuulServerApplication.class, args); } } -
登录拦截器:
package com.example.zuulserver; import com.netflix.zuul.ZuulFilter; import com.netflix.zuul.context.RequestContext; import com.netflix.zuul.exception.ZuulException; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants; import org.springframework.data.redis.core.StringRedisTemplate; import org.springframework.http.HttpStatus; import org.springframework.stereotype.Component; import org.springframework.util.ObjectUtils; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * 登录拦截过滤器 * * */ @Component public class LoginFilter extends ZuulFilter { @Autowired StringRedisTemplate stringRedisTemplate; @Value("${logiApi}") String logiApi; /** * filter的类型 pre:(路有前) route(路由时:ribbonroutefilter) post:(路由后) error(错误) * @return */ @Override public String filterType() { return FilterConstants.PRE_TYPE; } /** * 执行的顺序 越小越先执行 * */ @Override public int filterOrder() { return FilterConstants.DEBUG_FILTER_ORDER-1; } /** *表示当前过滤器是否生效->争对请求 * * 没带token:true * 有:false * /登录:login:false * */ @Override public boolean shouldFilter() { //1.获取当前的requset HttpServletRequest request = RequestContext.getCurrentContext().getRequest(); //1.1获取当前请求的uri String uri = request.getRequestURI(); //2.从request中提取token String token = request.getHeader("Authorization"); // 3.判断是否存在 //todo 每次查询都去redis中检测是否存在:1.网络问题,2redis故障->jwt Boolean hasKey = stringRedisTemplate.hasKey(token+""); //如果不带token并且不是以login结尾,不放行 if(!hasKey && !uri.endsWith(logiApi)){ return true; } return false; } /** *如果过滤器对当前请求生效,则执行此方法 * :返回401,当前请求不能继续路由下去 * */ @Override public Object run() throws ZuulException { // 获取当前的请求信息 RequestContext context = RequestContext.getCurrentContext(); //中断流程 context.setSendZuulResponse(false); // 获取response HttpServletResponse response = context.getResponse(); // 写回状态码 response.setStatus(HttpStatus.UNAUTHORIZED.value()); try { // 写回错误信息 response.getWriter().write(HttpStatus.UNAUTHORIZED.getReasonPhrase()); } catch (IOException e) { e.printStackTrace(); } return null; } }