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EVEN DRIVEN - SPRING CLOUD STREAM - SPRING CLOUD微服務的EVEN DRIVEN框架

通常微服務應用之間的通信是通過HTTP調用，吞吐性不建都高，高并發的場景建議使用EVENT DRIVEN的框架，即使用MESSAGE通信。

即A微服務應用將數據發送到MESSAGE BROKER中的某個DESTINATION，此DESTINATION是廣播型，非點對點型。B微服務應用訂閱此DESTINATION，當有新MESSAGE到達此DESTINATION時，MESSAGE BROKER會將此MESSAGE推送給B應用。所有對此MESSAGE有需要的應用均可訂閱，從而收到此MESSAGE。

SPRING CLOUD 中EVENT DRIVEN的框架就是SPRING CLOUD STREAM。其底層是使用SPRING INTEGRATION實現。

SPRING CLOUD STREAM有以下新名詞：

BINDER：

是對MESSAGE BROKER操作方法的抽象，即應用通過此BINDER操作MESSAGE BROKER。目前只實現了RABITMQ和KAFKA。

CHANNEL

MESSAGE從SPRING CLOUD STREAM傳給應用或相反是通過CHANNEL傳遞的，這點和SPRING INTEGRATION是一樣的。

SOURCE

MESSAGE從應用傳給SPRING CLOUD STREAM的CHANNEL，叫@INPUT，包含這種CHANNEL的接口叫SOURCE。

SINK

MESSAGE從SPRING CLOUD STREAM傳給應用的CHANNEL，叫@OUPUT，包含這種CHANNEL的接口叫SINK。

BIDDING

綁定哪個@INPUT或哪個@OUPUT與哪個DESTINATION發送或接收關系的MAPPING。

EnableBinding

應用啟動時就會建立EnableBinding指定的接口中的CHANNEL

消費者群組

默認下如果同一個應用部署了多個實例，則每個實例都會收到MESSAGE，這時如果設置了消費者群組名稱，則同一個名稱下的多個實例，只有一個能收到MESSAGE。

PARTITION

如果為MESSAGE指定規則，如MESSAGE某個字段值以A開頭為一個規則，以B開頭為一個規則，那么以A開頭的MESSAGE會放到同一個分區中。

這樣使用就很簡單了，只要取得OUTPUT CHANNEL，就可以發送MESSAGE，將代碼關聯到INPUT CHANNEL，就能在收到MESSAGE時，相關代碼就會被執行。

posted @ 2021-11-05 14:58 paulwong 閱讀(209) | 評論 (0) | 編輯收藏

OAUTH2 - SPRING SECURITY + KEYCLOAK

摘要: 根據OAUTH2協議，如果需要用戶協助的，則使用authorization_code流程，此時需要用戶登錄頁面、CLIENT SERVER、RESOURCE SERVER和AUTHORIZATION SERVER，其中CLIENT SERVER是通過http調用RESOURCE SERVER的api，AUTHORIZATION SERVER使用現成的KEYCLOAK。如果不需要用戶協助的，即SER... 閱讀全文

posted @ 2021-11-03 16:58 paulwong 閱讀(753) | 評論 (0) | 編輯收藏

SPRING BOOT OAUTH2 + KEYCLOAK - service to service call

employee-service調用department-service，如果要按OAUTH2.0流程，只需要提供client-id和client-secrect即可。在KEYCLOAK中引入service-account，即配置該employee-service時，取消standard-flow，同時激活service-account。
employee-service的application.yaml文件，其中的public-key要從KEYCLOAK中取

server:
   port: 8090
# Can be set to false to disable security during local development
rest:
   security:
      enabled: true
      #issuer-uri: http://localhost:8080/auth/realms/dev
      api-matcher: /api/**
      cors:
         allowed-origins: '*'
         allowed-headers: '*'
         allowed-methods: GET,POST,PUT,PATCH,DELETE,OPTIONS
         max-age: 3600

security:
   oauth2:
      resource:
         filter-order: 3
         id: test-employee-service
         token-info-uri: ${rest.security.issuer-uri}/protocol/openid-connect/token/introspect
         user-info-uri: ${rest.security.issuer-uri}/protocol/openid-connect/userinfo
         jwt:
            key-value: |
               -----BEGIN PUBLIC KEY-----
               MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB
               -----END PUBLIC KEY-----

# To access another secured micro-service
      client:
         client-id: test-employee-service
         #client-secret: 25c33006-e1b9-4fc2-a6b9-c43dbc41ecd0
         user-authorization-uri: ${rest.security.issuer-uri}/protocol/openid-connect/auth
         access-token-uri: ${rest.security.issuer-uri}/protocol/openid-connect/token
         scope: openid
         grant-type: client_credentials
         is-client-only: true

#Logging Configuration
logging:
   level:
      org.springframework.boot.autoconfigure.logging: INFO
      org.springframework.security: DEBUG
      org.arun: DEBUG
      root: INFO

application-dev.yaml

rest:
   security:
      issuer-uri: http://10.80.27.69:8180/auth/realms/quickstart

department-service:
   url: http://10.80.27.69:8095/api/departments/1

security:
   oauth2:
      client:
         client-secret: db25cdbd-605b-429d-bd92-96705bdf1474

department-service的application.yaml

server:
   port: 8095
# Can be set to false to disable security during local development
rest:
   security:
      enabled: true
      #issuer-uri: http://localhost:8080/auth/realms/dev
      api-matcher: /api/**
      cors:
         allowed-origins: '*'
         allowed-headers: '*'
         allowed-methods: GET,POST,PUT,PATCH,DELETE,OPTIONS
         max-age: 3600

security:
   oauth2:
      resource:
         filter-order: 3
         id: test-department-service
         token-info-uri: ${rest.security.issuer-uri}/protocol/openid-connect/token/introspect
         user-info-uri: ${rest.security.issuer-uri}/protocol/openid-connect/userinfo
         jwt:
            key-value: |
               -----BEGIN PUBLIC KEY-----
               MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB
               -----END PUBLIC KEY-----

#Logging Configuration
logging:
   level:
      org.springframework.boot.autoconfigure.logging: INFO
      org.springframework.security: DEBUG
      org.arun: DEBUG
      root: INFO

application-dev.yaml

rest:
security:
issuer-uri: http://10.80.27.69:8180/auth/realms/quickstart

employee-service的pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.18.RELEASE</version>
        <relativePath /> 
    </parent>
    <groupId>org.arun.springoauth</groupId>
    <artifactId>spring-oauth2-employee-service</artifactId>
    <version>1.0.0</version>
    <name>spring-oauth2-employee-service</name>
    <description>Employee Service</description>

    <properties>
        <java.version>1.8</java.version>
        <spring-boot.version>2.1.18.RELEASE</spring-boot.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.security.oauth.boot</groupId>
            <artifactId>spring-security-oauth2-autoconfigure</artifactId>
            
            <version>${spring-boot.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <layout>ZIP</layout>
                    <excludes>
                        <exclude>
                            <groupId>*</groupId>
                            <artifactId>*</artifactId>
                        </exclude>
                    </excludes>
                    <includes>
                        <include>
                            <groupId>com.paul</groupId>
                        </include>
                    </includes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

將jwt格式的access_token轉成Authentication的類JwtAccessTokenCustomizer

package org.arun.springoauth.employee.config;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.oauth2.resource.JwtAccessTokenConverterConfigurer;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.OAuth2Request;
import org.springframework.security.oauth2.provider.token.DefaultAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;

@Configuration
public class JwtAccessTokenCustomizer extends DefaultAccessTokenConverter implements JwtAccessTokenConverterConfigurer {

    private static final Logger LOG = LoggerFactory.getLogger(JwtAccessTokenCustomizer.class);

    private static final String CLIENT_NAME_ELEMENT_IN_JWT = "resource_access";

    private static final String ROLE_ELEMENT_IN_JWT = "roles";

    private ObjectMapper mapper;

    @Autowired
    public JwtAccessTokenCustomizer(ObjectMapper mapper) {
        this.mapper = mapper;
        LOG.info("Initialized {}", JwtAccessTokenCustomizer.class.getSimpleName());
    }

    @Override
    public void configure(JwtAccessTokenConverter converter) {
        converter.setAccessTokenConverter(this);
        LOG.info("Configured {}", JwtAccessTokenConverter.class.getSimpleName());
    }

    /**
     * Spring oauth2 expects roles under authorities element in tokenMap, but
     * keycloak provides it under resource_access. Hence extractAuthentication
     * method is overriden to extract roles from resource_access.
     *
     * @return OAuth2Authentication with authorities for given application
     */
    @Override
    public OAuth2Authentication extractAuthentication(Map<String, ?> tokenMap) {
        LOG.debug("Begin extractAuthentication: tokenMap = {}", tokenMap);
        JsonNode token = mapper.convertValue(tokenMap, JsonNode.class);
        Set<String> audienceList = extractClients(token); // extracting client names
        List<GrantedAuthority> authorities = extractRoles(token); // extracting client roles

        OAuth2Authentication authentication = super.extractAuthentication(tokenMap);
        OAuth2Request oAuth2Request = authentication.getOAuth2Request();

        OAuth2Request request = new OAuth2Request(oAuth2Request.getRequestParameters(), oAuth2Request.getClientId(),
                authorities, true, oAuth2Request.getScope(), audienceList, null, null, null);

        Authentication usernamePasswordAuthentication = new UsernamePasswordAuthenticationToken(
                authentication.getPrincipal(), "N/A", authorities);
        LOG.debug("End extractAuthentication");
        return new OAuth2Authentication(request, usernamePasswordAuthentication);
    }

    private List<GrantedAuthority> extractRoles(JsonNode jwt) {
        LOG.debug("Begin extractRoles: jwt = {}", jwt);
        Set<String> rolesWithPrefix = new HashSet<>();

        jwt.path(CLIENT_NAME_ELEMENT_IN_JWT).elements().forEachRemaining(e -> e.path(ROLE_ELEMENT_IN_JWT).elements()
                .forEachRemaining(r -> rolesWithPrefix.add("ROLE_" + r.asText())));

        final List<GrantedAuthority> authorityList = AuthorityUtils
                .createAuthorityList(rolesWithPrefix.toArray(new String[0]));
        LOG.debug("End extractRoles: roles = {}", authorityList);
        return authorityList;
    }

    private Set<String> extractClients(JsonNode jwt) {
        LOG.debug("Begin extractClients: jwt = {}", jwt);
        if (jwt.has(CLIENT_NAME_ELEMENT_IN_JWT)) {
            JsonNode resourceAccessJsonNode = jwt.path(CLIENT_NAME_ELEMENT_IN_JWT);
            final Set<String> clientNames = new HashSet<>();
            resourceAccessJsonNode.fieldNames().forEachRemaining(clientNames::add);

            LOG.debug("End extractClients: clients = {}", clientNames);
            return clientNames;

        } else {
            throw new IllegalArgumentException(
                    "Expected element " + CLIENT_NAME_ELEMENT_IN_JWT + " not found in token");
        }

    }

}

Reference
https://medium.com/@bcarunmail/securing-rest-api-using-keycloak-and-spring-oauth2-6ddf3a1efcc2

posted @ 2021-10-26 17:06 paulwong 閱讀(577) | 評論 (0) | 編輯收藏

Nginx代理轉發SFTP

https://blog.csdn.net/qq_27127385/article/details/103666143

posted @ 2021-10-15 10:04 paulwong 閱讀(352) | 評論 (0) | 編輯收藏

使用REST API與KEYCLOAK進行OUATH2協議的登錄認證

KEYCLOAK是一套用戶、WEB API登錄管理，授權管理的WEB應用。
如果要訪問受KEYCLOAK保護的REST API服務，則需要夾帶一個ACCESS_TOKEN。

前端頁面：

前端頁面一般是給用戶使用的，則需要用戶輸入在KEYCLOAK中有效的用戶名和密碼，并提供CALL BAK的URL，提交給KEYCLOAK
http://10.80.27.69:8180/auth/realms/quickstart/protocol/openid-connect/auth?client_id=app-springboot-confidential&redirect_uri=http://10.80.27.69:8183/&response_type=code&scope=openid
如果KEYCLOAK驗證通過，則通知頁面重導向回調的URL，并附上code=xxx，此code則是AUTHORIZATION_CODE
http://10.80.27.69:8183/?session_state=2ad9ab98-6c39-43a8-872f-2112c27b74df&code=3f48ce19-58f9-45d9-8c09-30d492bf4b24.2ad9ab98-6c39-43a8-872f-2112c27b74df.bd7526ef-b1bf-447f-baef-b7dfd6f0df93
回調的URL對應的SERVELET，取得AUTHORIZATION_CODE，并加上client_id和client_secrect，調用KEYLOAK的取ACCESS_TOKEN的HTTP API，取得ACCESS_TOKEN，返回給頁面
http://10.80.27.69:8180/auth/realms/quickstart/protocol/openid-connect/token
client_id=app-springboot-confidential&client_secret=3acf7692-49cb-4c45-9943-6f3dba512dae&redirect_uri=http://10.80.27.69:8183/&grant_type=authorization_code&code=cc7ac566-90f9-404e-b88e-fa28037b07d1.591311e1-5380-46a2-9363-834f17337922.bd7526ef-b1bf-447f-baef-b7dfd6f0df93
頁面保存此ACCESS_TOKEN，就可以調用后臺的各種API獲取數據
{
    "access_token": "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJGSjg2R2NGM2pUYk5MT2NvNE52WmtVQ0lVbWZZQ3FvcXRPUWVNZmJoTmxFIn0.eyJleHAiOjE2MzQwMjA4ODksImlhdCI6MTYzNDAyMDU4OSwianRpIjoiNDAwOTQ4ZmQtMGU0MS00YWRjLTlhY2MtMzczZWM2NDVhNzM5IiwiaXNzIjoiaHR0cDovLzEwLjgwLjI3LjY5OjgxODAvYXV0aC9yZWFsbXMvcXVpY2tzdGFydCIsImF1ZCI6ImFjY291bnQiLCJzdWIiOiJkZGVkMDA2YS0xY2QxLTRjODUtOTQ1MS0wMjFlZmY3OTFiMmUiLCJ0eXAiOiJCZWFyZXIiLCJhenAiOiJhcHAtc3ByaW5nYm9vdC1jb25maWRlbnRpYWwiLCJzZXNzaW9uX3N0YXRlIjoiYzRlN2QzYTgtMDg2My00OTAwLTkxZmEtMGExYmFmYmRlNGU3IiwiYWNyIjoiMSIsInJlYWxtX2FjY2VzcyI6eyJyb2xlcyI6WyJvZmZsaW5lX2FjY2VzcyIsInVtYV9hdXRob3JpemF0aW9uIl19LCJyZXNvdXJjZV9hY2Nlc3MiOnsiYXBwLXNwcmluZ2Jvb3QtY29uZmlkZW50aWFsIjp7InJvbGVzIjpbInVtYV9wcm90ZWN0aW9uIl19LCJhY2NvdW50Ijp7InJvbGVzIjpbIm1hbmFnZS1hY2NvdW50IiwibWFuYWdlLWFjY291bnQtbGlua3MiLCJ2aWV3LXByb2ZpbGUiXX19LCJzY29wZSI6InByb2ZpbGUgZW1haWwiLCJlbWFpbF92ZXJpZmllZCI6ZmFsc2UsImNsaWVudElkIjoiYXBwLXNwcmluZ2Jvb3QtY29uZmlkZW50aWFsIiwiY2xpZW50SG9zdCI6IjEwLjEwLjIwLjU3IiwidXNlcl9uYW1lIjoic2VydmljZS1hY2NvdW50LWFwcC1zcHJpbmdib290LWNvbmZpZGVudGlhbCIsInByZWZlcnJlZF91c2VybmFtZSI6InNlcnZpY2UtYWNjb3VudC1hcHAtc3ByaW5nYm9vdC1jb25maWRlbnRpYWwiLCJjbGllbnRBZGRyZXNzIjoiMTAuMTAuMjAuNTcifQ.Ut6aZ6E1d4Esz0gRv2ubxdvrxmGvZLHHZepD5pnGxlqb_yZ4Q82TdGTG0iL4JJn2NH3QAU501dhzzuv6-OT9BUBKP-4ufyKv2DxSvt3GgdN30au5JsATHFyOWuuZGRBd3iWcynf9u3OJnSkHEnrIwRYatgndLzy8dy3AeqF12CI",
    "expires_in": 300,
    "refresh_expires_in": 600,
    "refresh_token": "eyJhbGciOiJIUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICI2MTlhMmJjOS0yMWIwLTRmNGMtODI4OC1kNTJmMjA3OWEzY2EifQ.eyJleHAiOjE2MzQwMjExODksImlhdCI6MTYzNDAyMDU4OSwianRpIjoiYTM0NTQ1MTYtMzc3NC00YmRlLTgzOTMtN2QyMTdkZjdkZmJkIiwiaXNzIjoiaHR0cDovLzEwLjgwLjI3LjY5OjgxODAvYXV0aC9yZWFsbXMvcXVpY2tzdGFydCIsImF1ZCI6Imh0dHA6Ly8xMC44MC4yNy42OTo4MTgwL2F1dGgvcmVhbG1zL3F1aWNrc3RhcnQiLCJzdWIiOiJkZGVkMDA2YS0xY2QxLTRjODUtOTQ1MS0wMjFlZmY3OTFiMmUiLCJ0eXAiOiJSZWZyZXNoIiwiYXpwIjoiYXBwLXNwcmluZ2Jvb3QtY29uZmlkZW50aWFsIiwic2Vzc2lvbl9zdGF0ZSI6ImM0ZTdkM2E4LTA4NjMtNDkwMC05MWZhLTBhMWJhZmJkZTRlNyIsInNjb3BlIjoicHJvZmlsZSBlbWFpbCJ9.QhjkJBGz5UvwBF7xHM7_V_yjfF0lrA_EWzAVdFf-BRI",
    "token_type": "bearer",
    "not-before-policy": 0,
    "session_state": "c4e7d3a8-0863-4900-91fa-0a1bafbde4e7",
    "scope": "profile email"
}
這就是authorization_code流程

后端服務：

如果是在一個API中要請求另外一個API的數據，不存在具體用戶的情況
需提供如下參數：client_id、client_secrect和grant_type，且grant_type=client_credentials，調用KEYLOAK的取ACCESS_TOKEN的HTTP API，取得ACCESS_TOKEN
http://10.80.27.69:8180/auth/realms/quickstart/protocol/openid-connect/token
client_id=app-springboot-confidential&client_secret=3acf7692-49cb-4c45-9943-6f3dba512dae&grant_type=client_credentials
再將此ACCESS_TOKEN以Bearer TOKEN的方式調用別的的API
這就是client_credentials流程

驗證Access Token和獲取Token元信息：

http://10.80.27.69:8180/auth/realms/quickstart/protocol/openid-connect/token/introspect
client_id=app-springboot-confidential&client_secret=3acf7692-49cb-4c45-9943-6f3dba512dae
Access Token無效時返回：
{
"active": false
}

刷新Token：

http://10.80.27.69:8180/auth/realms/quickstart/protocol/openid-connect/token
client_id=app-springboot-confidential&client_secret=3acf7692-49cb-4c45-9943-6f3dba512dae&grant_type=refresh_token&refresh_token=asdfasd
返回
{
    "access_token": "eyJhbGciOiJSUzI1NiIsIn",
    "expires_in": 300,
    "refresh_expires_in": 1800,
    "refresh_token": "eyJhbGciOiJIUzI1NiIsInR5cCIgOi",
    "token_type": "Bearer",
    "not-before-policy": 1610728470,
    "session_state": "c1273eb5-f922-420c-b23a-854be9735c1d",
    "scope": "profile email"
}

Reference:
https://blog.csdn.net/nklinsirui/article/details/112706006

https://www.baeldung.com/?s=keycloak

https://www.doag.org/formes/pubfiles/11143470/2019-NN-Sebastien_Blanc-Easily_Secure_your_Microservices_with_Keycloak-Praesentation.pdf

posted @ 2021-10-12 14:40 paulwong 閱讀(787) | 評論 (0) | 編輯收藏

Enterprise Architect VS Solution Architect VS Software Architect

Enterprise Architect
定義企業的大概方向

Solution Architect
定義系統使用哪些框架技術

Software Architect
定義系統行為

Technical Architect
定義有關部署所使用服務器

https://stackoverflow.com/questions/524941/whats-the-difference-between-solutions-architect-and-applications-architect

https://www.youtube.com/watch?v=zB9WuYE1REI

posted @ 2021-10-11 15:29 paulwong 閱讀(170) | 評論 (0) | 編輯收藏

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