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  • Eureka【启用https】

    上一篇主要说的是开启http basic认证,从安全角度来讲,基于base64编码,容易被抓包后破解,在公网中很不安全,本文详谈如何在eureka server和eureka client中开启https。

    公共依赖pom文件

    <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.0.3.RELEASE</version>
            <relativePath/>
    </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> </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 EurekaServerApplication {
    
        public static void main(String[] args) {
            SpringApplication.run(EurekaServerApplication.class, args);
        }
    }

    1.3、生成证书

    a、生成server工程的证书,使用命令行工具,执行下面的指令:

    keytool -genkeypair -alias server -storetype PKCS12 -keyalg RSA -keysize 2048 -keystore server.p12 -validity 3650
    输入密钥库口令:
    再次输入新口令:
    您的名字与姓氏是什么?
      [Unknown]:  spring
    您的组织单位名称是什么?
      [Unknown]:  spring
    您的组织名称是什么?
      [Unknown]:  spring
    您所在的城市或区域名称是什么?
      [Unknown]:  spring
    您所在的省/市/自治区名称是什么?
      [Unknown]:  spring
    该单位的双字母国家/地区代码是什么?
      [Unknown]:  spring
    CN=spring, OU=spring, O=spring, L=spring, ST=spring, C=spring是否正确?
      [否]:  y

    b、同样的方式生成client工程证书,执行下面的指令:

    keytool -genkeypair -alias client -storetype PKCS12 -keyalg RSA -keysize 2048 -keystore client.p12 -validity 3650
    //。。。同样需要设置密码,回答上面的那些问题


    c、分别导出2个p12证书,执行指令:

    keytool -export -alias server -file server.crt --keystore server.p12
    输入密钥库口令: 这里的密码是生成server证书时设置的密码
    存储在文件 <server.crt> 中的证书
    keytool -export -alias client -file client.crt --keystore client.p12
    输入密钥库口令: 这里的密码是生成client证书时设置的密码
    存储在文件 <client.crt> 中的证书

    d、将server.crt文件导入client.p12证书中,使client端信任server的证书,执行如下指令

    keytool -import -alias server -file server.crt -keystore client.p12
    输入密钥库口令: 这里的密码是生成client证书密码,密码错误会提示如下信息:
    【密码错误时提示的信息:keytool 错误: java.io.IOException: keystore password was incorrect】
    
    所有者: CN=spring, OU=spring, O=spring, L=spring, ST=spring, C=spring 发布者: CN=spring, OU=spring, O=spring, L=spring, ST=spring, C=spring 序列号: 2b87a269 有效期为 Fri Oct 04 20:11:07 CST 2019 至 Mon Oct 01 20:11:07 CST 2029 证书指纹: MD5: EF:A3:6B:32:DE:8F:E4:34:46:E6:0D:48:B9:8F:B8:7E SHA1: AE:42:78:14:D8:6B:B2:E9:46:F4:76:E8:D9:D0:51:E0:3A:E6:C9:2E SHA256: 54:6D:93:7E:B3:D3:C4:49:87:84:9D:46:66:B1:B8:1B:95:5B:DC:05:9A:8A:A4:DF:43:E4:A7:A7:4A:81:F7:B0 签名算法名称: SHA256withRSA 主体公共密钥算法: 2048 位 RSA 密钥 版本: 3 扩展: #1: ObjectId: 2.5.29.14 Criticality=false SubjectKeyIdentifier [ KeyIdentifier [ 0000: 6C 1A E4 01 EB 84 0B C2 90 97 81 3D DB 0D C3 F1 l..........=.... 0010: 4A FB 2A F4 J.*. ] ] 是否信任此证书? [否]: y 证书已添加到密钥库中

    e、将client.crt文件导入server.p12文件,使server服务信任client的证书,执行如下指令:

    keytool -import -alias client -file client.crt -keystore server.p12
    输入密钥库口令: 这里的密码是生成server证书密码
    所有者: CN=cloud, OU=cloud, O=cloud, L=cloud, ST=cloud, C=cloud
    发布者: CN=cloud, OU=cloud, O=cloud, L=cloud, ST=cloud, C=cloud
    序列号: 6ea2a01
    有效期为 Fri Oct 04 20:27:38 CST 2019 至 Mon Oct 01 20:27:38 CST 2029
    证书指纹:
         MD5:  E9:22:2C:8D:C4:08:27:AD:02:75:93:31:C2:17:35:8E
         SHA1: BB:B0:9A:3A:98:43:5E:02:FC:8A:BC:85:33:DD:82:4A:4E:DF:3A:5C
         SHA256: 20:96:61:27:D1:CA:55:E5:B6:0E:41:CA:BC:84:F8:8F:1F:D8:25:87:10:50:90:E3:BC:12:39:35:74:16:4A:B3
    签名算法名称: SHA256withRSA
    主体公共密钥算法: 2048 位 RSA 密钥
    版本: 3
    
    扩展:
    
    #1: ObjectId: 2.5.29.14 Criticality=false
    SubjectKeyIdentifier [
    KeyIdentifier [
    0000: 91 E6 46 EF 4C 9E 88 B1   2F 63 12 4B 39 53 9D 32  ..F.L.../c.K9S.2
    0010: EF 0F 42 F9                                        ..B.
    ]
    ]
    
    是否信任此证书? [否]:  y
    证书已添加到密钥库中

    1.4、将生成的server.p12、server.crt、client.crt三个文件放在eureka server工程resources目录下。

    1.5、添加eureka server工程相关resources配置文件

    application-https.yml:

    server:
      port: 8766
      ssl:
        enabled: true
        key-store: classpath:server.p12
        key-store-password: hello2019 #生成server证书时设置的密码
        key-store-type: PKCS12
        key-alias: server
    eureka:
      instance:
        hostname: localhost
        securePort: ${server.port}
        securePortEnabled: true
        nonSecurePortEnabled: false
        homePageUrl: https://${eureka.instance.hostname}:${server.port}/
        statusPageUrl: https://${eureka.instance.hostname}:${server.port}/
      client:
        registerWithEureka: false
        fetchRegistry: false
        serviceUrl:
          defaultZone: https://${eureka.instance.hostname}:${server.port}/eureka/
      server:
          waitTimeInMsWhenSyncEmpty: 0
          enableSelfPreservation: false

    application.yml:

    spring:
      profiles:
        active: https

    1.6、启动eureka server工程,执行指令:

    mvn spring-boot:run -Dspring.profiles.active=https

    访问:https://localhost:8766

     由此看出确实使用的是https,不妨在试一下访问:http://localhost:8766

     

    2、eureka client工程

    2.1、client工程pom文件:

    <!--加上文章头部的公共依赖-->

    <dependencies> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.5</version> </dependency> <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、client工程启动类:

    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
    
    @SpringBootApplication
    @EnableEurekaClient
    public class EurekaClientApplication {
    
        public static void main(String[] args) {
            SpringApplication.run(EurekaClientApplication.class, args);
        }
    }

    2.2、client工程resources配置文件

    先将client.crt、client.p12、server.crt三个文件放在client工程的resources目录下。

    application.yml:

    spring:
      profiles:
        active: https

    application-https.yml:

    server:
      port: 8081
    
    spring:
      application:
        name: client1
    
    eureka:
      client:
        securePortEnabled: true
        ssl:
          key-store: client.p12
          key-store-password: hello2020
        serviceUrl:
          defaultZone: https://localhost:8766/eureka/

    这里没有指定整个应用实例启用https,仅仅是开启访问eureka server的https配置,自定义eureka.client.ssl.key-store和eureka.client.ssl.key-store-password两个属性,指定client访问server的sslContext配置,需要在代码里指定DiscoveryClient.DiscoveryClientOptionalArgs:

    import com.netflix.discovery.DiscoveryClient;
    import com.netflix.discovery.shared.transport.jersey.EurekaJerseyClientImpl;
    import org.apache.http.ssl.SSLContextBuilder;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.context.annotation.Profile;
    
    import javax.net.ssl.SSLContext;
    import java.io.IOException;
    import java.security.KeyManagementException;
    import java.security.KeyStoreException;
    import java.security.NoSuchAlgorithmException;
    import java.security.cert.CertificateException;
    
    /**
     * 指定client访问server的sslContext配置
     */
    @Profile({"https"})
    @Configuration
    public class EurekaHttpsClientConfig {
    
        @Value("${eureka.client.ssl.key-store}")
        String keyStoreFileName;
    
        @Value("${eureka.client.ssl.key-store-password}")
        String keyStorePassword;
    
        @Bean
        public DiscoveryClient.DiscoveryClientOptionalArgs discoveryClientOptionalArgs() throws CertificateException, NoSuchAlgorithmException, KeyStoreException, IOException, KeyManagementException {
            EurekaJerseyClientImpl.EurekaJerseyClientBuilder builder = new EurekaJerseyClientImpl.EurekaJerseyClientBuilder();
            builder.withClientName("eureka-https-client");
            SSLContext sslContext = new SSLContextBuilder()
                    .loadTrustMaterial(
                            this.getClass().getClassLoader().getResource(keyStoreFileName),keyStorePassword.toCharArray()
                    )
                    .build();
            builder.withCustomSSL(sslContext);
    
            builder.withMaxTotalConnections(10);
            builder.withMaxConnectionsPerHost(10);
    
            DiscoveryClient.DiscoveryClientOptionalArgs args = new DiscoveryClient.DiscoveryClientOptionalArgs();
            args.setEurekaJerseyClient(builder.build());
            return args;
        }
    }

    2.3、执行指令,启动client工程:

     mvn spring-boot:run -Dspring.profiles.active=https

    访问https://localhost:8766/

     可以看到client工程已经成功注册到了server服务上。

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  • 原文地址:https://www.cnblogs.com/idoljames/p/11623388.html
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