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Provider 模式

Eureka实战-4【开启http basic权限认证】

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在我们实际生产环境中，都需要考虑到一个安全问题，比如用户登录，又或者是eureka server，它对外暴露的有自己的rest API，如果没有安全认证，也就意味着别人可以通过rest API随意修改数据信息，这是一件非常恐怖的事情，这篇文章咱们详谈eureka server是如何开启认证，以及eureka client是如何配置鉴权信息。

公共pom文件依赖：

<parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.0.3.RELEASE</version>

        <relativePath/> <!-- lookup parent from repository -->

</parent>

<properties>

        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

        <java.version>1.8</java.version>

        <spring-cloud.version>Finchley.RELEASE</spring-cloud.version>

</properties>

<dependencyManagement>

        <dependencies>

            <dependency>

                <groupId>org.springframework.cloud</groupId>

                <artifactId>spring-cloud-dependencies</artifactId>

                <version>${spring-cloud.version}</version>

                <type>pom</type>

                <scope>import</scope>

            </dependency>

        </dependencies>

</dependencyManagement>

1、eureka server工程

1.1、eureka server工程pom：

<!--加上文章头部的公共依赖-->

<dependencies>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>

        </dependency>
　　　　　
　　　　 <!--权限依赖，只要pom文件有这个依赖，项目默认就已经开启了权限校验-->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-security</artifactId>

        </dependency>

</dependencies>

<build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

</build>

1.2、eureka server工程启动类：

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

@SpringBootApplication

@EnableEurekaServer

public class EurkeaServerApplication {

    public static void main(String[] args) {

        SpringApplication.run(EurkeaServerApplication.class, args);

    }

}

1.3、eureka server工程配置文件，路径：eureka-server\src\main\resources\

application-security.yml：

server:

  port: 8761

spring:

  security:

    basic:

      enabled: true

    user:

      name: admin

      password: Xk38CNHigBP5jK75

eureka:

  instance:

    hostname: localhost

  client:

    registerWithEureka: false

    fetchRegistry: false

    serviceUrl:

      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

  server:

      waitTimeInMsWhenSyncEmpty: 0

      enableSelfPreservation: false

application.yml：

spring:

  profiles:

    active: security

由于spring-boot-starter-security默认开启了CSRF校验，对于client端这类非界面应用来说，有些不合适，但是又没有配置文件的方式可以禁用，需要通过Java配置，进行禁用，如下：

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;

/**

 * 关闭spring-boot-starter-security的CSRF校验

 */

@EnableWebSecurity

public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Override

    protected void configure(HttpSecurity http) throws Exception {

        super.configure(http);

        http.csrf().disable();

    }

}

1.4、启动eureka server工程，执行命令：

mvn spring-boot:run

打开命令行终端，执行： curl -i http://localhost:8761/eureka/apps

curl -i http://localhost:8761/eureka/apps

HTTP/1.1 401

Set-Cookie: JSESSIONID=554BCAF092D8D1ED3936C0CB09E91AF1; Path=/; HttpOnly

WWW-Authenticate: Basic realm="Realm"

X-Content-Type-Options: nosniff

X-XSS-Protection: 1; mode=block

Cache-Control: no-cache, no-store, max-age=0, must-revalidate

Pragma: no-cache

Expires: 0

X-Frame-Options: DENY

Content-Type: application/json;charset=UTF-8

Transfer-Encoding: chunked

Date: Fri, 04 Oct 2019 07:31:57 GMT

{"timestamp":"2019-10-04T07:31:57.888+0000","status":401,"error":"Unauthorized","message":"Unauthorized","path":"/eureka/apps"}

可以看出，没有传递Authenticate的header，返回401状态码。

下面使用http basic的账号密码传递Authenticate的header：

curl -i --basic -u admin:Xk38CNHigBP5jK75 http://localhost:8761/eureka/apps

HTTP/1.1 200

Set-Cookie: JSESSIONID=CF1C0DE56415626494EC539A654CC543; Path=/; HttpOnly

X-Content-Type-Options: nosniff

X-XSS-Protection: 1; mode=block

Cache-Control: no-cache, no-store, max-age=0, must-revalidate

Pragma: no-cache

Expires: 0

X-Frame-Options: DENY

Content-Type: application/xml

Transfer-Encoding: chunked

Date: Fri, 04 Oct 2019 07:35:54 GMT

<applications>

  <versions__delta>1</versions__delta>

  <apps__hashcode></apps__hashcode>

</applications>

请求成功。

2、eureka client工程

2.1、eureka client工程pom：

<!--加上文章头部的公共依赖-->

<dependencies>

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>

        </dependency>

</dependencies>

<build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

</build>

2.2、eureka client工程启动类：

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication

@EnableDiscoveryClient

public class EurekaClientApplication {

    public static void main(String[] args) {

        SpringApplication.run(EurekaClientApplication.class, args);

    }

}

2.3、eureka client工程配置文件，路径：eureka-client\src\main\resources\

由于eureka server工程开启了http basic认证，eureka client工程也需要添加相应的账号信息来传递，这里我们通过配置文件来指定。

application-security.yml：

server:

  port: 8081

spring:

  application:

    name: client1

eureka:

  client:

    security:

      basic:

        user: admin

        password: Xk38CNHigBP5jK75

    serviceUrl:

      defaultZone: http://${eureka.client.security.basic.user}:${eureka.client.security.basic.password}@localhost:8761/eureka/

application.yml：

spring:

  profiles:

    active: security

执行：curl -i --basic -u admin:Xk38CNHigBP5jK75 http://localhost:8761/eureka/apps

curl -i --basic -u admin:Xk38CNHigBP5jK75 http://localhost:8761/eureka/apps

HTTP/1.1 200

Set-Cookie: JSESSIONID=C7CE372067A44606E9D3DEA6B64AEDCD; Path=/; HttpOnly

X-Content-Type-Options: nosniff

X-XSS-Protection: 1; mode=block

Cache-Control: no-cache, no-store, max-age=0, must-revalidate

Pragma: no-cache

Expires: 0

X-Frame-Options: DENY

Content-Type: application/xml

Transfer-Encoding: chunked

Date: Fri, 04 Oct 2019 07:53:40 GMT

<applications>

  <versions__delta>1</versions__delta>

  <apps__hashcode>UP_1_</apps__hashcode>

  <application>

    <name>CLIENT1</name>

    <instance>

      <instanceId>192.168.50.161:client1:8081</instanceId>

      <hostName>192.168.50.161</hostName>

      <app>CLIENT1</app>

      <ipAddr>192.168.50.161</ipAddr>

      <status>UP</status>

      <overriddenstatus>UNKNOWN</overriddenstatus>

      <port enabled="true">8081</port>

      <securePort enabled="false">443</securePort>

      <countryId>1</countryId>

      <dataCenterInfo class="com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo">

        <name>MyOwn</name>

      </dataCenterInfo>

      <leaseInfo>

        <renewalIntervalInSecs>30</renewalIntervalInSecs>

        <durationInSecs>90</durationInSecs>

        <registrationTimestamp>1570175584067</registrationTimestamp>

        <lastRenewalTimestamp>1570175584067</lastRenewalTimestamp>

        <evictionTimestamp>0</evictionTimestamp>

        <serviceUpTimestamp>1570175584067</serviceUpTimestamp>

      </leaseInfo>

      <metadata>

        <management.port>8081</management.port>

      </metadata>

      <homePageUrl>http://192.168.50.161:8081/</homePageUrl>

      <statusPageUrl>http://192.168.50.161:8081/actuator/info</statusPageUrl>

      <healthCheckUrl>http://192.168.50.161:8081/actuator/health</healthCheckUrl>

      <vipAddress>client1</vipAddress>

      <secureVipAddress>client1</secureVipAddress>

      <isCoordinatingDiscoveryServer>false</isCoordinatingDiscoveryServer>

      <lastUpdatedTimestamp>1570175584067</lastUpdatedTimestamp>

      <lastDirtyTimestamp>1570175583914</lastDirtyTimestamp>

      <actionType>ADDED</actionType>

    </instance>

  </application>

</applications>

可以看到eureka client已经成功注册到server。

05-13 06:48
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