源碼地址:下載地址
使用該架構(gòu)的項(xiàng)目地址:下載地址
下面教大家整合nacos、sentinal、springcloud-gateway,springboot security、oauth2做一個(gè)分布式架構(gòu)
1、第一步整合nacos
1、下載alibaba的nacos 下載地址,然后使用單機(jī)模式啟動(dòng)nacos
sh startup.sh -m standalone
啟動(dòng)之后登錄 http://localhost:8848/nacos/#/login ,賬號(hào)密碼都是默認(rèn)的nacos。
2、第二步建立業(yè)務(wù)項(xiàng)目結(jié)構(gòu)

3、第三步建立項(xiàng)目的入口(網(wǎng)關(guān)服務(wù))
首先入口接口網(wǎng)關(guān)模塊
pom文件
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.xyw.code</groupId>
<artifactId>xptx-gateway</artifactId>
<version>1.0.0</version>
</parent>
<groupId>com.xyw.code</groupId>
<artifactId>xptx-spring-gateway</artifactId>
<version>1.0.0</version>
<name>xptx-spring-cloud-gateway</name>
<description>spring-cloud-gateway網(wǎng)關(guān)服務(wù)</description>
<properties>
<java.version>1.8</java.version>
<swagger2.version>2.8.0</swagger2.version>
<xptx.version>1.0.0</xptx.version>
<spring-boot.version>2.1.8.RELEASE</spring-boot.version>
</properties>
<dependencies>
<!--nacos注冊(cè)中心客戶端-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<!--nacos配置中心客戶端-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<!--gateway 網(wǎng)關(guān)依賴,內(nèi)置webflux 依賴-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<!--swagger2 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${swagger2.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger2.version}</version>
</dependency>
<dependency>
<groupId>com.xyw.code</groupId>
<artifactId>xptx-common-core</artifactId>
<version>${xptx.version}</version>
</dependency>
<dependency>
<groupId>com.xyw.code</groupId>
<artifactId>xptx-common-redis</artifactId>
<version>${xptx.version}</version>
</dependency>
<dependency>
<groupId>com.xyw.code</groupId>
<artifactId>xptx-auth-client</artifactId>
<version>${xptx.version}</version>
<exclusions>
<exclusion>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
<font color=red>
集成網(wǎng)關(guān)的時(shí)候有個(gè)坑注意下,因?yàn)榫W(wǎng)關(guān)自帶web,所以集成網(wǎng)關(guān)的時(shí)候不能攜帶任何api或者web的模塊,不會(huì)啟動(dòng)會(huì)報(bào)錯(cuò)
</font>
設(shè)置好入口之后修改下application.yml文件設(shè)置下網(wǎng)關(guān)服務(wù)的入口和業(yè)務(wù)服務(wù)的入口
routes:
# 基礎(chǔ)服務(wù)
- id: xptx-system-base-server
# lb代表從注冊(cè)中心獲取服務(wù),且已負(fù)載均衡方式轉(zhuǎn)發(fā)
uri: lb://xptx-system-base-server
predicates: # 路由條件,Predicate 接受一個(gè)輸入?yún)?shù),返回一個(gè)布爾值結(jié)果
- Path=/sys/**
filters:
- SwaggerHeaderFilter
- StripPrefix=1
# 降級(jí)配置
- name: Hystrix
args:
name: fallback
fallbackUri: forward:/fallback
# 授權(quán)服務(wù)
- id: xptx-auth
uri: http://localhost:8001
predicates:
- Path=/auth/**
filters:
- ImageCodeFilter
- RemoveRequestHeader=Origin
- StripPrefix=1
# 降級(jí)配置
- name: Hystrix
args:
name: fallbackcmd
fallbackUri: forward:/fallback
然后有一點(diǎn)要注意的
網(wǎng)關(guān)和業(yè)務(wù)數(shù)據(jù)可以通過兩種方式鑒權(quán)
1、服務(wù)器鑒權(quán)
首先業(yè)務(wù)數(shù)據(jù)集成xptx-common-auth模塊拿到鑒權(quán)注解。之后的鑒權(quán)可以通過@PreAuthorize來實(shí)現(xiàn)。
例子
/**
* 根據(jù)id刪除菜單
*
* @param id
* @return
*/
@ApiOperation("刪除菜單")
@PreAuthorize("hasAuthority('sys:menu:delete')")
@SysOperateLog(descrption = "刪除菜單")
@DeleteMapping("/{id}")
public R deleteMenu(@PathVariable("id") Integer id) {
return menuService.removeMenuById(id);
}
2、網(wǎng)關(guān)那里鑒權(quán)
在網(wǎng)關(guān)那里實(shí)現(xiàn)一個(gè)全局?jǐn)r截器去鑒權(quán)
package com.prex.gateway.filter;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
/**
* 調(diào)用鑒權(quán)
*/
@Slf4j
@Component
public class AuthSignatureFilter implements GlobalFilter, Ordered {
// 排除過濾的 uri 地址
private static final String[] WHITE_LIST = {"/*/v2/api-docs", "/user/register", "/swagger-ui.html",
"/swagger-resources/**",
"/*/api-docs",
"/api/socket/**",
"/log"};
private AntPathMatcher antPathMatcher = new AntPathMatcher();
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
ServerHttpRequest request = exchange.getRequest();
String uriPath = request.getPath().toString();
log.info("url:{}", uriPath);
boolean action = false;
for (String url : WHITE_LIST) {
if (antPathMatcher.match(url, uriPath)) {
action = true;
break;
}
}
// 跳過不需要驗(yàn)證的路徑
if (action) {
return chain.filter(exchange);
}
String token = request.getHeaders().getFirst(HttpHeaders.AUTHORIZATION);
if (null == token || token.isEmpty()) {
ServerHttpResponse response = exchange.getResponse();
//當(dāng)請(qǐng)求不攜帶Token或者token為空時(shí),直接設(shè)置請(qǐng)求狀態(tài)碼為401,返回
InetSocketAddress remoteAddress = request.getRemoteAddress();
String clientIp = Objects.requireNonNull(remoteAddress).getAddress().getHostAddress();
log.info("非法請(qǐng)求,客戶端IP:" + clientIp + "URL:" + request.getPath());
JSONObject message = new JSONObject();
message.put("code", HttpStatus.UNAUTHORIZED.value());
message.put("msg", "非法請(qǐng)求");
byte[] bits = message.toJSONString().getBytes(StandardCharsets.UTF_8);
DataBuffer buffer = response.bufferFactory().wrap(bits);
response.setStatusCode(HttpStatus.UNAUTHORIZED);
//指定編碼,否則在瀏覽器中會(huì)中文亂碼
response.getHeaders().add("Content-Type", "text/plain;charset=UTF-8");
return response.writeWith(Mono.just(buffer));
}
ServerHttpRequest authorization = request.mutate().headers(httpHeaders -> {
httpHeaders.add("Authorization", token);
}).build();
ServerWebExchange serverWebExchange = exchange.mutate().request(authorization).build();
return chain.filter(serverWebExchange);
}
@Override
public int getOrder() {
return -200;
}
}
全局?jǐn)r截器調(diào)用的是鑒權(quán)客戶端,然后鑒權(quán)客戶端可以通過feign去調(diào)用鑒權(quán)服務(wù)端來判斷用戶是否擁有這個(gè)權(quán)限。這就是大致簡(jiǎn)單的整合流程。
4、第三步建立項(xiàng)目的認(rèn)證服務(wù)
認(rèn)證服務(wù)分為兩部分:
1:
一部分把認(rèn)證服務(wù)作為一個(gè)jar包,目的是作為一個(gè)認(rèn)證客戶端給第三方引用(<font color='red'>這里有個(gè)坑,千萬不能加入<artifactId>spring-boot-maven-plugin</artifactId>這個(gè)插件,因?yàn)檫@個(gè)插件會(huì)導(dǎo)致maven多moudle依賴找不到引入jar包依賴</font>)。
2:
就是一個(gè)鑒權(quán)服務(wù),里面整合了spring-security和spring-oauth2。這兩個(gè)大致作用是spring-security用來存儲(chǔ)用戶,通過用戶鑒權(quán)來獲取token。但是有些時(shí)候第三方服務(wù)想調(diào)用我們的接口,那我們?yōu)榱瞬惶峁┳约旱馁~號(hào)密碼給別人,因此就使用了oauth2,通過提供client_id和serect的方式來獲取token,從而來被允許調(diào)用我們的服務(wù)。
總結(jié)
分布式項(xiàng)目整合一切以網(wǎng)關(guān)為入口,然后網(wǎng)關(guān)前綴分為業(yè)務(wù)項(xiàng)目的前綴和認(rèn)證服務(wù)器前綴。最后網(wǎng)關(guān)還會(huì)有一個(gè)全局?jǐn)r截器去攔截認(rèn)證請(qǐng)求