Swagger整合Jwt授权配置
2024-08-28 13:22:29
Swagger整合Jwt授权配置
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一、Swagger入门
1、什么是Swagger
Swagger 是一个规范和完整的框架，用于生成、描述、调用和可视化 RESTful 风格的 Web 服务，它有着如下的优点：
1）及时性 (接口变更后，能够及时准确地通知相关前后端开发人员)
2）规范性 (并且保证接口的规范性，如接口的地址，请求方式，参数及响应格式和错误信息)
3）一致性 (接口信息一致，不会出现因开发人员拿到的文档版本不一致，而出现分歧)
4）可测性 (直接在接口文档上进行测试，以方便理解业务)
2、Swagger生成文档
1）添加pom.xml依赖
<!--swagger-->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.7.0</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.7.0</version>
</dependency>
2）创建swagger配置文件
@Configuration
@EnableSwagger2
public class Swagger2Config {
@Bean
public Docket apiConfig() {
//创建基于Swagger2的配置文件
return new Docket(DocumentationType.SWAGGER_2)
// 调用apiInfo方法,创建一个ApiInfo实例,里面是展示在文档页面信息内容
.apiInfo(apiInfo());
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder()
//标题
.title("接口文档")
//描述
.description("接口文档")
//版本
.version("1.0")
//作者信息
.contact(new Contact("java大师", "http://localhost:8081", "xxx@qq.com"))
.build();
}
}
3）启动程序
访问路径：http://localhost:8081/swagger-ui.html ，出现生成的文档页面。
此为原生界面，很难看，所以我们需要引入swagger-bootstrap-ui，也就是Knife4j的前身
4）使用Knife4j
a）添加pom.xml依赖
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-spring-boot-starter</artifactId>
<version>2.0.7</version>
</dependency>
b）开启Swagger2配置
import java.util.ArrayList;
import java.util.List;
@Configuration
@EnableSwagger2
public class Swagger2Config {
@Bean
public Docket createRestApi() {
return new Docket(DocumentationType.SWAGGER_2)
.pathMapping("/")
.apiInfo(apiInfo())
.select()
//swagger要扫描的包路径
.apis(RequestHandlerSelectors.basePackage("com.dsblog.server.controller"))
.paths(PathSelectors.any())
.build()
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder().title("dsblog接口文档")
.contact(new Contact("java大师","http://localhost:8081/doc.html","fry000@qq.com"))
.version("1.0").description("dsblog接口文档").build();
}
b）重启服务
访问地址：http://localhost:8081/doc.html，这个ui界面看起来就更美观，更符合国人的使用习惯
二、Swagger整合Jwt
1、添加pom.xml依赖
<?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>com.dsblog</groupId>
<artifactId>dsblog</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<groupId>com.dsblog</groupId>
<artifactId>dsblog-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.4.0</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.31</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.3.2</version>
</dependency>
<dependency>
<groupId>io.swagger</groupId>
<artifactId>swagger-annotations</artifactId>
<version>1.5.20</version>
</dependency>
<!--swagger-->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.7.0</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.7.0</version>
</dependency>
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-spring-boot-starter</artifactId>
<version>2.0.7</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
<version>2.3.6.RELEASE</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.9.1</version>
</dependency>
</dependencies>
</project>
2、创建Swagger2Config配置文件
package com.dsblog.server.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
import java.util.ArrayList;
import java.util.List;
@Configuration
@EnableSwagger2
public class Swagger2Config {
@Bean
public Docket createRestApi() {
return new Docket(DocumentationType.SWAGGER_2)
.pathMapping("/")
.apiInfo(apiInfo())
.select()
//swagger要扫描的包路径
.apis(RequestHandlerSelectors.basePackage("com.dsblog.server.controller"))
.paths(PathSelectors.any())
.build()
.securityContexts(securityContexts())
.securitySchemes(securitySchemes());
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder().title("dsblog接口文档")
.contact(new Contact("java大师","http://localhost:8081/doc.html","fry000@qq.com"))
.version("1.0").description("dsblog接口文档").build();
}
private List<SecurityContext> securityContexts() {
//设置需要登录认证的路径
List<SecurityContext> result = new ArrayList<>();
result.add(getContextByPath("/.*"));
return result;
}
//通过pathRegex获取SecurityContext对象
private SecurityContext getContextByPath(String pathRegex) {
return SecurityContext.builder()
.securityReferences(defaultAuth())
.forPaths(PathSelectors.regex(pathRegex))
.build();
}
//默认为全局的SecurityReference对象
private List<SecurityReference> defaultAuth() {
List<SecurityReference> result = new ArrayList<>();
AuthorizationScope authorizationScope = new AuthorizationScope("global",
"accessEverything");
AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
authorizationScopes[0] = authorizationScope;
result.add(new SecurityReference("Authorization", authorizationScopes));
return result;
}
private List<ApiKey> securitySchemes() {
//设置请求头信息
List<ApiKey> result = new ArrayList<>();
ApiKey apiKey = new ApiKey("Authorization", "Authorization", "header");
result.add(apiKey);
return result;
}
}
3、创建SecurityConfig配置文件
package com.dsblog.server.config.security;
import com.dsblog.server.model.User;
import com.dsblog.server.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private IUserService userService;
@Autowired
private RestAuthorizationEntryPoint restAuthorizationEntryPoint;
@Autowired
private RestAccessDeniedHandler restAccessDeniedHandler;
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.userDetailsService(userDetailsService()).passwordEncoder(passwordEncoder());
}
//主要的配置文件，antMatchers匹配的路径，全部忽略，不进行JwtToken的认证
@Override
public void configure(WebSecurity web) throws Exception {
web.ignoring().antMatchers(
"/login",
"/logout",
"/css/**",
"/js/**",
"/index.html",
"favicon.ico",
"/doc.html",
"/webjars/**",
"/swagger-resources/**",
"/v2/api-docs/**"
);
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.csrf().disable()
.sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
.and()
.authorizeRequests()
.anyRequest().authenticated()
.and()
.headers()
.cacheControl();
//添加Jwt登录授权拦截器
http.addFilterBefore(jwtAuthenticationTokenFilter(), UsernamePasswordAuthenticationFilter.class);
//添加未登录和未授权结果返回
http.exceptionHandling()
.accessDeniedHandler(restAccessDeniedHandler)
.authenticationEntryPoint(restAuthorizationEntryPoint);
}
@Override
@Bean
public UserDetailsService userDetailsService(){
return username -> {
User user = userService.getUserByUsername(username);
if(null!=user){
return user;
}
return null;
};
}
@Bean
public PasswordEncoder passwordEncoder(){
return new BCryptPasswordEncoder();
}
@Bean
public JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter(){
return new JwtAuthenticationTokenFilter();
}
}
4、创建测试Controller，其中/login登录和/logout退出方法不需要Authorize验证，和上面的重写方法configure(WebSecurity web）匹配，user/info方法需要Authorize验证才能进行访问
package com.dsblog.server.controller;
import com.dsblog.server.model.ResultBean;
import com.dsblog.server.model.User;
import com.dsblog.server.model.UserLoginParam;
import com.dsblog.server.service.IUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import java.security.Principal;
@Api(tags = "LoginController")
@RestController
public class LoginController {
@Autowired
private IUserService userService;
@ApiOperation("登录")
@PostMapping("/login")
public ResultBean login(@RequestBody UserLoginParam userLoginParam, HttpServletRequest request){
return userService.login(userLoginParam.getUsername(),userLoginParam.getPassword(),request);
}
@ApiOperation("退出")
@PostMapping("/logout")
public ResultBean logout(){
return ResultBean.success("退出成功！");
}
@ApiOperation("获取当前登录用户")
@GetMapping("/user/info")
public User getUserInfo(Principal principal){
if(null == principal){
return null;
}
String username = principal.getName();
User user = userService.getUserByUsername(username);
user.setPassword(null);
return user;
}
}
5、重启程序，输入http://localhost:8081/doc.html
6、测试
1）首先调用/user/info，会看到提示未登录，请先登录。需要登录授权才能够进行方法的测试
2）接着调用登录请求，输入用户名和密码获取JwtToken
3）获取token后，监测网络，发现会将Authorization放入请求头部发送到后台
4）Authorize加入Bearer和JwtToken
5）携带token发送到后台获取用户信息，验证通过
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