Java中OAuth2.0第三方授權(quán)原理與實戰(zhàn)

更新時間：2022年05月30日 10:05:46 作者：小王曾是少年

本文主要介紹了Java中OAuth2.0第三方授權(quán)原理與實戰(zhàn)，文中通過示例代碼介紹的非常詳細，對大家的學習或者工作具有一定的參考學習價值，需要的朋友們下面隨著小編來一起學習學習吧

RFC6749

OAuth2的官方文檔在RFC6749：https://datatracker.ietf.org/doc/html/rfc6749

以王者榮耀請求微信登錄的過程為例

A：Client申請訪問用戶資源
B：用戶授權(quán)（過程較復(fù)雜）一次有效
C：Client向Server請求一個長時間有效的token
D：返回token
E：使用token訪問資源

OAuth 2.0授權(quán)4大模式

授權(quán)碼模式：完整、嚴密，第三方認證和授權(quán)的最主流實現(xiàn)

A：APP請求微信登錄
B：用戶信息驗證
C：返回只能使用一次的授權(quán)碼
D：APP把授權(quán)碼發(fā)給后臺服務(wù)，服務(wù)請求微信登錄請求一個長期有效的token
E：返回長期有效的token

token只有APP的后臺服務(wù)和微信的后臺才有，二者之間使用token通信，保證數(shù)據(jù)不易泄露到后臺黑客

簡化模式：令牌用戶可見，移動端的常用實現(xiàn)手段

A：APP請求微信登錄
B：用戶信息驗證
C：直接返回一個長期有效的token

密碼模式：用戶名密碼都返回

A：用戶把用戶名 + 密碼發(fā)送給APP
B：APP可以直接用賬號 + 密碼訪問微信后臺

客戶端模式：后臺內(nèi)容應(yīng)用之間進行訪問

微信登錄會為APP分配一個內(nèi)部的特定用戶名和密碼，APP用這個賬號 + 密碼和微信溝通，微信返回一個token，APP可以用這個token做很多部門自身的事情

合同到期后的續(xù)約機制

通常拿到Access token時還會拿到一個Refresh token，可以用來延長token的有效期

F：token已過期
G：使用Refresh token和微信登錄溝通，嘗試延長token
H：重新返回一個新的token

OAuth2.0第三方授權(quán)實戰(zhàn)

oauth-client

表示王者榮耀端

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 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>2.4.0</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>
  
  <groupId>org.example</groupId>
  <artifactId>oauth-client</artifactId>
  <version>1.0-SNAPSHOT</version>
  <description>Demo project for Spring Boot</description>
  
  <properties>
    <maven.compiler.source>8</maven.compiler.source>
    <maven.compiler.target>8</maven.compiler.target>
    <spring-cloud.version>2020.0.0-M5</spring-cloud.version>
  </properties>
  
  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-oauth2</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-security</artifactId>
    </dependency>
    
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>
  
  <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>
  
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
  
  <repositories>
    <repository>
      <id>spring-milestones</id>
      <name>Spring Milestones</name>
      <url>https://repo.spring.io/milestone</url>
    </repository>
  </repositories>
  
</project>

SpringBoot的經(jīng)典啟動類：

package com.wjw.oauthclient;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class OauthClientApplication {
    public static void main(String[] args) {
        SpringApplication.run(OauthClientApplication.class, args);
    }
}

創(chuàng)建OAuth2的配置類：

package com.wjw.oauthclient.config;

import org.springframework.boot.autoconfigure.security.oauth2.client.EnableOAuth2Sso;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

//激活OAuth2 SSO客戶端
@Configuration
@EnableOAuth2Sso
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
            .anyRequest()
            .authenticated()
            .and()
            .csrf()
            .disable();
    }
}

配置文件application.yaml：

security.oauth2.client.client-secret=my_client_secret
security.oauth2.client.client-id=my_client_id
security.oauth2.client.user-authorization-uri=http://localhost:9090/oauth/authorize
security.oauth2.client.access-token-uri=http://localhost:9090/oauth/token
security.oauth2.resource.user-info-uri=http://localhost:9090/user

server.port=8080

server.servlet.session.cookie.name=ut

定義用戶id為my_client_id，密碼為my_client_secret
定義“微信登錄服務(wù)”為：http://localhost:9090/oauth/authorize
請求長期有效token的地址為：http://localhost:9090/oauth/token
拿到token后請求用戶信息的地址為：http://localhost:9090/user

oauth-server

表示微信客戶端

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>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.4.0</version>
    <relativePath/> <!-- lookup parent from repository -->
  </parent>
  <groupId>com.example</groupId>
  <artifactId>oauth-server</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>oauth-server</name>
  <description>Demo project for Spring Boot</description>
  
  <properties>
    <java.version>1.8</java.version>
    <spring-cloud.version>2020.0.0-M5</spring-cloud.version>
  </properties>
  
  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-oauth2</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-security</artifactId>
    </dependency>
    
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>
    
  </dependencies>
  
  <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>
  
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
  
  <repositories>
    <repository>
      <id>spring-milestones</id>
      <name>Spring Milestones</name>
      <url>https://repo.spring.io/milestone</url>
    </repository>
  </repositories>
  
</project>

創(chuàng)建SpringBoot啟動類：

package com.wjw.oauthserver;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;

@SpringBootApplication
@EnableResourceServer
public class OauthServerApplication {
    
    public static void main(String[] args) {
        SpringApplication.run(OauthServerApplication.class, args);
    }
    
}

創(chuàng)建controller：

提供一個API接口，模擬資源服務(wù)器

package com.wjw.oauthserver.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.security.Principal;

@RestController
public class UserController {
    @GetMapping("/user")
    public Principal getCurrentUser(Principal principal) {
        return principal;
    }
}

創(chuàng)建oauth2的關(guān)鍵配置類：

package com.wjw.oauthserver.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {
    @Autowired
    PasswordEncoder passwordEncoder;

    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.inMemory() // 在內(nèi)存里
                .withClient("my_client_id")
                .secret(passwordEncoder.encode("my_client_secret")) // 加密密碼
                .autoApprove(true)  // 允許所有子類用戶登錄
                .redirectUris("http://localhost:8080/login")    // 反跳會登錄頁面
                .scopes("all")
                .accessTokenValiditySeconds(3600)
                .authorizedGrantTypes("authorization_code");    // 4大模式里的授權(quán)碼模式
    }
}

現(xiàn)在需要提供一個登錄頁面讓用戶輸入用戶名和密碼，并設(shè)置一個管理員賬戶：

package com.wjw.oauthserver.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
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;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@Configuration
@EnableWebSecurity
@Order(1)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Bean
    PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.requestMatchers()
                .antMatchers("/login")
                .antMatchers("/oauth/authorize")
                .and()
                .authorizeRequests().anyRequest().authenticated()
                .and()
                .formLogin()
                .permitAll()
                .and()
                .csrf().disable();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
                .withUser("wjw")
                .password(passwordEncoder().encode("123456"))
                .roles("admin");
    }
}

配置文件application.yaml：